44 results on '"Lindström S"'
Search Results
2. The Influence of Treatment Latency on Suicide-Specific Treatment Outcomes.
- Author
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Probert-Lindström, S., Bötschi, S., and Gysin-Maillart, A.
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- *
TREATMENT effectiveness , *ATTEMPTED suicide , *SUICIDAL ideation , *PSYCHIATRIC clinics , *REGRESSION analysis - Abstract
The Attempted Suicude Short Intervention Program (ASSIP) provides an effective and cost-effective treatment option for people who have attempted suicide. Studies suggest that longer treatment latency is associated with poorer response to therapy, more severe symptomatology, and more suicide attempts This study examined the influence of treatment latency (time between suicide attempt and initiation of therapy) on the number of suicide attempts over the long-term course of ASSIP and the influence of treatment relationship on the extent of suicidal ideation. Survival and regression analyses were performed on 60 participants who had recently attempted suicide and received ASSIP at an outpatient psychiatric clinic. 60% were women and 40% were men. The results found no significant association between treatment outcome in ASSIP and treatment latency (HR = 1.06; 95% CI: 0.92- 1.21, p =.44). Treatment relationship significantly influenced suicidal ideation at time t4 (B = −.35, t(55) = −3.21, p =.002), but treatment latency was not significantly associated with suicidal ideation (B =.02, t(55) = 0.87, p =.39). No relationship between treatment latency and treatment outcome could be found, suggesting that ASSIP can be implemented at any time after the last suicide attempt. In contrast, the treatment relationship plays a central role in ASSIP. [ABSTRACT FROM AUTHOR]
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- 2024
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3. The Influence of Treatment Latency on Suicide-Specific Treatment Outcomes
- Author
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Probert-Lindström, S., primary, Bötschi, S., additional, and Gysin-Maillart, A., additional
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- 2023
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4. Quantitative Proteomics in Exhaled Breath for Characterization and Diagnosis of COVID-19
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Hirdman, G., primary, Bodén, E., additional, Kjellström, S., additional, Hallgren, O., additional, and Lindström, S., additional
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- 2023
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5. Late Jurassic–Early Cretaceous marine deoxygenation in NE Greenland
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Hovikoski, J., primary, Olivarius, M., additional, Bojesen-Koefoed, J. A., additional, Piasecki, S., additional, Alsen, P., additional, Fyhn, M. B. W., additional, Sharp, I., additional, Bjerager, M., additional, Vosgerau, H., additional, Lindström, S., additional, Bjerrum, C., additional, and Ineson, J., additional
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- 2023
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6. Late Jurassic – Early Cretaceous marine deoxygenation in NE Greenland
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Hovikoski, J., Olivarius, M., Bojesen-Koefoed, J. A., Piasecki, S., Alsen, P., Fyhn, M. B. W., Sharp, I., Bjerager, M., Vosgerau, H., Lindström, S., Bjerrum, C., Ineson, J., Hovikoski, J., Olivarius, M., Bojesen-Koefoed, J. A., Piasecki, S., Alsen, P., Fyhn, M. B. W., Sharp, I., Bjerager, M., Vosgerau, H., Lindström, S., Bjerrum, C., and Ineson, J.
- Abstract
The Upper Jurassic – Lower Cretaceous interval represents a prolonged marine deoxygenation period particularly in the Boreal–Arctic basins, the controlling factors of which remain poorly understood. Two drill cores totaling >450 m cover the Kimmeridgian–Barremian succession in contrasting locations in an evolving half-graben system (basin center and near the footwall crest) in Wollaston Forland, NE Greenland; they provide an exceptional ∼20 myr long window into paleoenvironmental development and changes in redox conditions within a detailed tectonostratigraphic framework. Synthesis of a multidisciplinary dataset including sedimentology, inorganic and previously published organic geochemistry indicates that, despite continuous black mudstone accumulation from the Kimmeridgian to the Ryazanian, sea floor anoxia was intermittent in the Kimmeridgian, whereas more sustained anoxia/euxinia occurred in the middle Volgian – early Ryazanian. Correlation to reported contemporaneous successions along the Greenland margin, indicate that protracted rifting and generation of localized sea-floor topography were among the major drivers both of sea-floor deoxygenation and current funneling and amplification during the Jurassic–Cretaceous transition. Consequently, distribution of seaway current activity and dysoxia, anoxia and euxinia varied spatially, allowing fully oxygenated and anoxic pockets to coexist.
- Published
- 2023
7. Genome-wide analyses characterize shared heritability among cancers and identify novel cancer susceptibility regions.
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Lindström, S. and Lindström, S.
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- Radboudumc 15: Urological cancers Health Evidence., Radboudumc 15: Urological cancers Primary and Community Care., Radboudumc 15: Urological cancers Urology.
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- 2023
8. Incremental fatigue damage modeling of 7050-T7 aluminum alloy at stress-raisers
- Author
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Lindström, S. B., Moverare, J., Leidermark, D., Ansell, H., Kapidzic, Z., Lindström, S. B., Moverare, J., Leidermark, D., Ansell, H., and Kapidzic, Z.
- Abstract
The Ottosen–Stenström–Ristinmaa (OSR) incremental fatigue damage model, based on an moving endurance surface centered around a backstress, is adapted for high-cycle fatigue at stress-raisers in AA7050-T7 specimens. Fatigue experiments are carried out for circumferentially-notched, axisymmetric specimens subjected to constant-amplitude (CA) load. The OSR model parameters are fitted to CA fatigue data, showing fair agreement for one set of model parameters across different stress ratios, stress concentration factors, uniaxial stress and biaxial stress. To demonstrate predictive capability, the fatigue life is integrated for an aircraft load spectrum (TWIST), and compared with experimental fatigue life data for holeplate specimens in the literature.
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- 2022
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9. Acceleration of continuous-time, high-cycle fatigue constrained problems in topology optimization
- Author
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Suresh, S., Lindström, S. B., Thore, C.-J., Klarbring, A., Suresh, S., Lindström, S. B., Thore, C.-J., and Klarbring, A.
- Abstract
An efficiency-enhanced procedure to treat continuous-time, high-cycle fatigue (HCF) constraints in topology optimization is presented. The HCF model predicts the evolution of fatigue damage at each point in the design domain using a system of ordinary differential equations. We employ gradient-based optimization and the fatigue sensitivities are determined using adjoint sensitivity analysis. As the predicted damage has history dependence, adjoint variables are solved via a stepwise backward procedure. Therefore, the computational cost increases in proportion to the number of time steps. To reduce this cost, we propose an extrapolation technique which is valid for all forms of periodic, proportional loads and most non-proportional loads and allows treatment of essentially an unlimited number of load cycles. Using this technique, several problems in both 2D and 3D are solved numerically where the objective is to minimize structural mass subjected to a fatigue constraint.
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- 2022
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10. Fatigue life assessment of integral structures
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Lindström, S. B., Moverare, J., Leidermark, D., Ansell, H., Schmidt, P., Kapidzic, Z., Lindström, S. B., Moverare, J., Leidermark, D., Ansell, H., Schmidt, P., and Kapidzic, Z.
- Published
- 2022
11. Incremental fatigue damage model : Application to plane problems with non-proportional loading
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Kapidzic, Z., Lindström, S. B., Lundgren, J., Kapidzic, Z., Lindström, S. B., and Lundgren, J.
- Abstract
Modern airframe aluminum structures are increasingly manufactured in large and complex integral parts. Suchparts are often exposed to in–plane, non–proportional loading and contain stress–raisers with complex geometry. Conventional methods, based on the stress concentration factor and cycle counting, are unsuitable forassessment of this type of problem. We present a fatigue damage model, based on the concept of movingendurance surface and incremental damage evolution. The fatigue damage is entirely dependent on the localstress history and the notch effect is accounted for by introduction of the relative stress gradient. Also, wepresent an automated and efficient implementation of the model, for the purpose of computing fatigue damageat stress raisers in plane problems with non–proportional loading. We demonstrate the implementation by anexample of a fatigue calculation in an aircraft frame.
- Published
- 2022
12. Identification of bearing failure in composite–aluminium bolted joints using digital image correlation
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Wemming, H., Lindström, S. B., Johansson, L., Kapidzic, Z., Wemming, H., Lindström, S. B., Johansson, L., and Kapidzic, Z.
- Abstract
The quasistatic failure of composite–aluminium bolted joints is investigated experimentally using the stereo Digital Image Correlation (DIC) technique. Single-shear, two-bolt lap joints made of carbon fibre reinforced polymer (CFRP) laminates and aluminium plates are subjected to tensile load while being monitored using stereo-DIC. The measured displacements are processed by removing outliers using the Grubbs test and reducing noise by exploiting symmetries of the specimen geometry. The development of the Gauss curvature across the CFRP is computed from DIC displacement data, and a sudden onset of curvature in the vicinity of the bolts is observed as a precursor to bearing failure. Fractographs of cross-sections of partially failed CFRP near the bolts confirm compressive damage of laminates as the source of this localised curvature. We conclude that stereo-DIC is useful as a non-contact measurement of bearing failure initiation.
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- 2022
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13. Design, synthesis, and in vitro biological evaluation of meta-sulfonamidobenzamide-based antibacterial LpxH inhibitors.
- Author
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Benediktsdottir A, Sooriyaarachchi S, Cao S, Ottosson NE, Lindström S, Lundgren B, Kloditz K, Lola D, Bobileva O, Loza E, Hughes D, Jones TA, Mowbray SL, Zamaratski E, Sandström A, and Karlén A
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- Structure-Activity Relationship, Humans, Sulfonamides chemistry, Sulfonamides pharmacology, Sulfonamides chemical synthesis, Molecular Structure, Enzyme Inhibitors pharmacology, Enzyme Inhibitors chemical synthesis, Enzyme Inhibitors chemistry, Dose-Response Relationship, Drug, Amidohydrolases antagonists & inhibitors, Amidohydrolases metabolism, Models, Molecular, Anti-Bacterial Agents pharmacology, Anti-Bacterial Agents chemical synthesis, Anti-Bacterial Agents chemistry, Benzamides pharmacology, Benzamides chemistry, Benzamides chemical synthesis, Microbial Sensitivity Tests, Drug Design
- Abstract
New antibacterial compounds are urgently needed, especially for infections caused by the top-priority Gram-negative bacteria that are increasingly difficult to treat. Lipid A is a key component of the Gram-negative outer membrane and the LpxH enzyme plays an important role in its biosynthesis, making it a promising antibacterial target. Inspired by previously reported ortho-N-methyl-sulfonamidobenzamide-based LpxH inhibitors, novel benzamide substitutions were explored in this work to assess their in vitro activity. Our findings reveal that maintaining wild-type antibacterial activity necessitates removal of the N-methyl group when shifting the ortho-N-methyl-sulfonamide to the meta-position. This discovery led to the synthesis of meta-sulfonamidobenzamide analogs with potent antibacterial activity and enzyme inhibition. Moreover, we demonstrate that modifying the benzamide scaffold can alter blocking of the cardiac voltage-gated potassium ion channel hERG. Furthermore, two LpxH-bound X-ray structures show how the enzyme-ligand interactions of the meta-sulfonamidobenzamide analogs differ from those of the previously reported ortho analogs. Overall, our study has identified meta-sulfonamidobenzamide derivatives as promising LpxH inhibitors with the potential for optimization in future antibacterial hit-to-lead programs., Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: S.L., S.L.M., T.A.J, E.L., D.H., E.Z. and A.K. are authors on a patent application related to this work (publication no. WO 2022/220725, application no. PCT/SE2022/050360, filed on October 20, 2022). The authors declare no other competing interests., (Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved.)
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- 2024
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14. Isoform-level analyses of 6 cancers uncover extensive genetic risk mechanisms undetected at the gene-level.
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Chang YH, Head ST, Harrison T, Yu Y, Huff CD, Pasaniuc B, Lindström S, and Bhattacharya A
- Abstract
Integrating genome-wide association study (GWAS) and transcriptomic datasets can help identify potential mediators for germline genetic risk of cancer. However, traditional methods have been largely unsuccessful because of an overreliance on total gene expression. These approaches overlook alternative splicing, which can produce multiple isoforms from the same gene, each with potentially different effects on cancer risk. Here, we integrate genetic and multi-tissue isoform-level gene expression data from the Genotype Tissue-Expression Project (GTEx, N = 108-574) with publicly available European-ancestry GWAS summary statistics (all N > 20,000 cases) to identify both isoform- and gene-level risk associations with six cancers (breast, endometrial, colorectal, lung, ovarian, prostate) and six related cancer subtype classifications (N = 12 total). Compared to traditional methods leveraging total gene expression, directly modeling isoform expression through transcriptome-wide association studies (isoTWAS) substantially increases discovery of transcriptomic mechanisms underlying genetic associations. Using the same RNA-seq datasets, isoTWAS identified 164% more significant unique gene associations compared to TWAS (6,163 and 2,336, respectively), with isoTWAS-prioritized genes enriched 4-fold for evolutionarily-constrained genes (P = 6.1 × 10
-13 ). isoTWAS tags transcriptomic associations at 52% more independent GWAS loci compared to TWAS across the six cancers. Additionally, isoform expression mediates an estimated 63% greater proportion of cancer risk SNP heritability compared to gene expression when evaluating cis-genetic influence on isoform expression. We highlight several notable isoTWAS associations that demonstrate GWAS colocalization at the isoform level but not at the gene level, including, CLPTM1L (lung cancer), LAMC1 (colorectal), and BABAM1 (breast). These results underscore the critical importance of modeling isoform-level expression to maximize discovery of genetic risk mechanisms for cancers.- Published
- 2024
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15. Inpatient Suicides in Swedish Psychiatric Settings - A Retrospective Exploratory Study from a Nursing Perspective.
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Lindberg M, Sunnqvist C, Wangel AM, Probert-Lindström S, Fröding E, Bergqvist E, Stefenson A, Waern M, and Westrin Å
- Abstract
In Sweden, approximately 1,200 individuals die by suicide annually. Inpatient suicide is considered rare, but death by suicide still occurs when admitted to a psychiatric hospital. This study was part of a national retrospective project covering data from all patients' medical records for the 2 years before death by suicide in 2015. In this study, 41 patients who died by suicide while being admitted to psychiatric care were identified. The aim was to retrospectively identify documentation of suicide risk, safety measures, and comparisons between those with and without suicide attempts for patients who died by suicide during psychiatric inpatient care. There was documentation of suicidal variables in 80% of the patients; 59% had a previous known suicide attempt, 63% were diagnosed with mood disorders, and 41% were assessed for elevated suicide risk. The most common suicide method was hanging, suffocation (68%), and 22% had died by suicide within 24 h after admission. Almost three-quarters were on voluntary care. No patients had constant professional supervision on a one-to-one basis, and 17% had 15-minute checks. One-third were on agreed leave at the time of the suicide. These results emphasise the lifesaving role of high-level supervision in the early stages of inpatient care.
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- 2024
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16. Development of an orthotopic medulloblastoma zebrafish model for rapid drug testing.
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van Bree N, Oppelt AS, Lindström S, Zhou L, Boutin L, Coyle B, Swartling FJ, Johnsen JI, Bräutigam L, and Wilhelm M
- Abstract
Background: Medulloblastoma (MB) is one of the most common malignant brain tumors in children. Current preclinical in vivo model systems for MB have increased our understanding of molecular mechanisms regulating MB development. However, they may not be suitable for large-scale studies. The aim of this study was to investigate if a zebrafish-based xenograft model can recapitulate MB growth and enable rapid drug testing., Methods: Nine different MB cell lines or patient-derived cells were transplanted into blastula-stage zebrafish embryos. Tumor development and migration were then monitored using live imaging. RNA sequencing was performed to investigate transcriptome changes after conditioning cells in neural stem cell-like medium. Furthermore, drug treatments were tested in a 96-well format., Results: We demonstrate here that transplantation of MB cells into the blastula stage of zebrafish embryos leads to orthotopic tumor growth that can be observed within 24 hours after transplantation. Importantly, the homing of transplanted cells to the hindbrain region and the aggressiveness of tumor growth are enhanced by pre-culturing cells in a neural stem cell-like medium. The change in culture conditions rewires the transcriptome towards a more migratory and neuronal phenotype, including the expression of guidance molecules SEMA3A and EFNB1, both of which correlate with lower overall survival in MB patients. Furthermore, we highlight that the orthotopic zebrafish MB model has the potential to be used for rapid drug testing., Conclusion: Blastula-stage zebrafish MB xenografts present an alternative to current MB mouse xenograft models, enabling quick evaluation of tumor cell growth, neurotropism, and drug efficacy., (© The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Neuro-Oncology.)
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- 2024
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17. A study protocol of the effectiveness of the Attempted Suicide Short Intervention Program (ASSIP) for recent suicide attempters: a randomized controlled trial.
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Lindström S, Ehnvall A, Bergqvist E, Waern M, Dahlin M, and Westrin Å
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- Adult, Female, Humans, Male, Middle Aged, Adaptation, Psychological, Depression therapy, Depression psychology, Psychotherapy, Brief methods, Quality of Life psychology, Suicidal Ideation, Treatment Outcome, Randomized Controlled Trials as Topic, Suicide, Attempted psychology
- Abstract
Background: Given the limited research focusing on psychotherapeutic interventions for suicide attempters, it is noteworthy that the Attempted Suicide Short Intervention Program (ASSIP) has demonstrated promising results in previous studies. In this investigation, we aim to evaluate the effectiveness of ASSIP across diverse healthcare settings, outlining the study design and planned evaluation., Methods: Using a Randomized Controlled Trial (RCT) design with four assessment points (baseline, 3, 12- and 24-month follow-up), we aim to assess the effect of the 3-session psychotherapeutic intervention and hereafter brief contact via structured letters during 2 years in a clinical sample of recent suicide attempters (suicide attempts within three months before inclusion). Participants are randomly assigned to one of two groups; treatment as usual plus ASSIP or the control condition, treatment as usual. Assessments include measures of suicidal intent, coping, symptoms of depression, quality of life, self-stigma, and sick leave. The primary outcome is suicide attempt(s) within 3, 12, and 24 months and the secondary outcome is suicidal ideation within the same time frames after study inclusion., Discussion: Findings from this study will provide novel insights regarding the effects of ASSIP on not only subsequent suicidal behavior but also other outcomes including self-stigma, quality of life, social network, sick leave, and symptoms of depression., Trial Registration: The trial was registered at ClinicalTrial.gov NCT04746261 on 2020-10-15., (© 2024. The Author(s).)
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- 2024
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18. Nonadditive Effects of Common Genetic Variants Have a Negligent Contribution to Cancer Heritability.
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Hammermeister Suger A, Harrison TA, Henning B, Turman C, Kraft P, and Lindström S
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- Humans, Genetic Variation, Female, Male, Polymorphism, Single Nucleotide, Case-Control Studies, Neoplasms genetics, Genome-Wide Association Study, Genetic Predisposition to Disease
- Abstract
Background: Contribution of dominance effects to cancer heritability is unknown. We leveraged existing genome-wide association data for seven cancers to estimate the contribution of dominance effects to the heritability of individual cancer types., Methods: We estimated the proportion of phenotypic variation caused by dominance genetic effects using genome-wide association data for seven cancers (breast, colorectal, lung, melanoma, nonmelanoma skin, ovarian, and prostate) in a total of 166,772 cases and 284,824 controls., Results: We observed no evidence of a meaningful contribution of dominance effects to cancer heritability. By contrast, additive effects ranged between 0.11 and 0.34., Conclusions: In line with studies of other human traits, the dominance effects of common genetic variants play a minimal role in cancer etiology., Impact: These results support the assumption of an additive inheritance model when conducting cancer association studies with common genetic variants., (©2024 American Association for Cancer Research.)
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- 2024
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19. Analysis of more than 400,000 women provides case-control evidence for BRCA1 and BRCA2 variant classification.
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Zanti M, O'Mahony DG, Parsons MT, Dorling L, Dennis J, Boddicker NJ, Chen W, Hu C, Naven M, Yiangou K, Ahearn TU, Ambrosone CB, Andrulis IL, Antoniou AC, Auer PL, Baynes C, Bodelon C, Bogdanova NV, Bojesen SE, Bolla MK, Brantley KD, Camp NJ, Campbell A, Castelao JE, Cessna MH, Chang-Claude J, Chen F, Chenevix-Trench G, Conroy DM, Czene K, De Nicolo A, Domchek SM, Dörk T, Dunning AM, Eliassen AH, Evans DG, Fasching PA, Figueroa JD, Flyger H, Gago-Dominguez M, García-Closas M, Glendon G, González-Neira A, Grassmann F, Hadjisavvas A, Haiman CA, Hamann U, Hart SN, Hartman MBA, Ho WK, Hodge JM, Hoppe R, Howell SJ, Jakubowska A, Khusnutdinova EK, Ko YD, Kraft P, Kristensen VN, Lacey JV, Li J, Lim GH, Lindström S, Lophatananon A, Luccarini C, Mannermaa A, Martinez ME, Mavroudis D, Milne RL, Muir K, Nathanson KL, Nuñez-Torres R, Obi N, Olson JE, Palmer JR, Panayiotidis MI, Patel AV, Pharoah PDP, Polley EC, Rashid MU, Ruddy KJ, Saloustros E, Sawyer EJ, Schmidt MK, Southey MC, Tan VK, Teo SH, Teras LR, Torres D, Trentham-Dietz A, Truong T, Vachon CM, Wang Q, Weitzel JN, Yadav S, Yao S, Zirpoli GR, Cline MS, Devilee P, Tavtigian SV, Goldgar DE, Couch FJ, Easton DF, Spurdle AB, and Michailidou K
- Abstract
Clinical genetic testing identifies variants causal for hereditary cancer, information that is used for risk assessment and clinical management. Unfortunately, some variants identified are of uncertain clinical significance (VUS), complicating patient management. Case-control data is one evidence type used to classify VUS, and previous findings indicate that case-control likelihood ratios (LRs) outperform odds ratios for variant classification. As an initiative of the Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA) Analytical Working Group we analyzed germline sequencing data of BRCA1 and BRCA2 from 96,691 female breast cancer cases and 303,925 unaffected controls from three studies: the BRIDGES study of the Breast Cancer Association Consortium, the Cancer Risk Estimates Related to Susceptibility consortium, and the UK Biobank. We observed 11,227 BRCA1 and BRCA2 variants, with 6,921 being coding, covering 23.4% of BRCA1 and BRCA2 VUS in ClinVar and 19.2% of ClinVar curated (likely) benign or pathogenic variants. Case-control LR evidence was highly consistent with ClinVar assertions for (likely) benign or pathogenic variants; exhibiting 99.1% sensitivity and 95.4% specificity for BRCA1 and 92.2% sensitivity and 86.6% specificity for BRCA2 . This approach provides case-control evidence for 785 unclassified variants, that can serve as a valuable element for clinical classification.
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- 2024
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20. Genetic Risk, Health-Associated Lifestyle, and Risk of Early-onset Total Cancer and Breast Cancer.
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Zhang Y, Lindström S, Kraft P, and Liu Y
- Abstract
Background: Early-onset cancer (diagnosed under age 50) generally manifests as an aggressive disease phenotype. The association between healthy lifestyle and early-onset cancer and whether it varies by common genetic variants remains unclear., Methods: We analyzed a prospective cohort of 66,308 participants who were under age 50 and free of cancer at baseline in the UK Biobank. Using Cox regression, we estimated Hazard ratios (HRs) and 95% confidence intervals (CIs) for early-onset total and breast cancer based on sex-specific composite total cancer polygenic risk scores (PRSs), a breast cancer-specific PRS, and sex-specific health-associated lifestyle scores (HLSs)., Results: In multivariable-adjusted analyses with 2-year latency, higher genetic risk (highest vs lowest tertile of PRS) was associated with significantly increased risks of early-onset total cancer in females (HR, 95% CI: 1.83, 1.49-2.26) and males (2.03, 1.51-2.73) as well as early-onset breast cancer in females (3.06, 2.20-4.26). An unfavorable lifestyle (highest vs lowest category of HLS) was associated with higher risk of total cancer and breast cancer in females across genetic risk categories; the association with total cancer and breast cancer was stronger in the highest genetic risk category than the lowest: HRs (95% CIs) were 1.55 (1.12, 2.14) and 1.69 (1.11, 2.57) in the highest genetic risk category and 1.03 (0.64, 1.67) and 0.81 (0.36, 1.85) in the lowest., Conclusions: Genetic and lifestyle factors were independently associated with early-onset total and breast cancer risk. Individuals with a high genetic risk may benefit more from adopting a healthy lifestyle in preventing early-onset cancer., (Published by Oxford University Press 2024.)
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- 2024
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21. Disentangling the relationships of body mass index and circulating sex hormone concentrations in mammographic density using Mendelian randomization.
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Haas CB, Chen H, Harrison T, Fan S, Gago-Dominguez M, Castelao JE, Bolla MK, Wang Q, Dennis J, Michailidou K, Dunning AM, Easton DF, Antoniou AC, Hall P, Czene K, Andrulis IL, Mulligan AM, Milne RL, Fasching PA, Haeberle L, Garcia-Closas M, Ahearn T, Gierach GL, Haiman C, Maskarinec G, Couch FJ, Olson JE, John EM, Chenevix-Trench G, Berrington de Gonzalez A, Jones M, Stone J, Murphy R, Aronson KJ, Wernli KJ, Hsu L, Vachon C, Tamimi RM, and Lindström S
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- Humans, Female, Sex Hormone-Binding Globulin analysis, Sex Hormone-Binding Globulin metabolism, Sex Hormone-Binding Globulin genetics, Middle Aged, Polymorphism, Single Nucleotide, Mammography, Estradiol blood, Testosterone blood, Phenotype, Breast Density, Mendelian Randomization Analysis, Body Mass Index, Breast Neoplasms genetics, Breast Neoplasms blood, Breast Neoplasms diagnostic imaging, Genome-Wide Association Study, Gonadal Steroid Hormones blood
- Abstract
Purpose: Mammographic density phenotypes, adjusted for age and body mass index (BMI), are strong predictors of breast cancer risk. BMI is associated with mammographic density measures, but the role of circulating sex hormone concentrations is less clear. We investigated the relationship between BMI, circulating sex hormone concentrations, and mammographic density phenotypes using Mendelian randomization (MR)., Methods: We applied two-sample MR approaches to assess the association between genetically predicted circulating concentrations of sex hormones [estradiol, testosterone, sex hormone-binding globulin (SHBG)], BMI, and mammographic density phenotypes (dense and non-dense area). We created instrumental variables from large European ancestry-based genome-wide association studies and applied estimates to mammographic density phenotypes in up to 14,000 women of European ancestry. We performed analyses overall and by menopausal status., Results: Genetically predicted BMI was positively associated with non-dense area (IVW: β = 1.79; 95% CI = 1.58, 2.00; p = 9.57 × 10
-63 ) and inversely associated with dense area (IVW: β = - 0.37; 95% CI = - 0.51,- 0.23; p = 4.7 × 10-7 ). We observed weak evidence for an association of circulating sex hormone concentrations with mammographic density phenotypes, specifically inverse associations between genetically predicted testosterone concentration and dense area (β = - 0.22; 95% CI = - 0.38, - 0.053; p = 0.009) and between genetically predicted estradiol concentration and non-dense area (β = - 3.32; 95% CI = - 5.83, - 0.82; p = 0.009), although results were not consistent across a range of MR approaches., Conclusion: Our findings support a positive causal association between BMI and mammographic non-dense area and an inverse association between BMI and dense area. Evidence was weaker and inconsistent for a causal effect of circulating sex hormone concentrations on mammographic density phenotypes. Based on our findings, associations between circulating sex hormone concentrations and mammographic density phenotypes are weak at best., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)- Published
- 2024
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22. Anxiety symptoms preceding suicide: A Swedish nationwide record review.
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Doering S, Probert-Lindström S, Ehnvall A, Wiktorsson S, Palmqvist Öberg N, Bergqvist E, Stefenson A, Fransson J, Westrin Å, and Waern M
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- Humans, Sweden epidemiology, Anxiety psychology, Anxiety Disorders psychology, Mood Disorders complications, Suicidal Ideation, Risk Factors, Suicide psychology
- Abstract
Background: The literature on the relationship between anxiety and suicidal behaviors is limited and findings are mixed. This study sought to determine whether physicians noted anxiety symptoms and suicidality in their patients in the weeks and months before suicide., Methods: Data were derived from a nationwide medical record review of confirmed suicides in Sweden in 2015. Individuals with at least one documented physician consultation in any health care setting during 12 months before suicide (N = 956) were included. Clinical characteristics were compared between decedents with and without a notation of anxiety symptoms. Odds ratios were calculated to estimate associations between anxiety symptoms and suicidality in relation to suicide proximity., Results: Anxiety symptoms were noted in half of individuals 1 week before suicide. Patients with anxiety were characterized by high rates of depressive symptoms, ongoing substance use issues, sleeping difficulties, and fatigue. After adjustment for mood disorders, the odds of having a notation of elevated suicide risk 1 week before death were doubled in persons with anxiety symptoms. Associations were similar across time periods (12 months - 1 week). Two-thirds had been prescribed antidepressants at time of death., Limitations: Data were based on physicians' notations which likely resulted in underreporting of anxiety depending on medical specialty. Records were not available for all decedents., Conclusions: Anxiety symptoms were common in the final week before suicide and were accompanied by increases in documented elevated suicide risk. Our findings can inform psychiatrists, non-psychiatric specialists, and GPs who meet and assess persons with anxiety symptoms., Competing Interests: Declaration of competing interest The authors declare that they have no competing interests., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)
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- 2024
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23. Climate-forced Hg-remobilization associated with fern mutagenesis in the aftermath of the end-Triassic extinction.
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Bos R, Zheng W, Lindström S, Sanei H, Waajen I, Fendley IM, Mather TA, Wang Y, Rohovec J, Navrátil T, Sluijs A, and van de Schootbrugge B
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- Germany, Volcanic Eruptions, Mutagenesis, Climate, Spores, Ferns, Extinction, Biological, Mercury analysis, Geologic Sediments chemistry, Fossils
- Abstract
The long-term effects of the Central Atlantic Magmatic Province, a large igneous province connected to the end-Triassic mass-extinction (201.5 Ma), remain largely elusive. Here, we document the persistence of volcanic-induced mercury (Hg) pollution and its effects on the biosphere for ~1.3 million years after the extinction event. In sediments recovered in Germany (Schandelah-1 core), we record not only high abundances of malformed fern spores at the Triassic-Jurassic boundary, but also during the lower Jurassic Hettangian, indicating repeated vegetation disturbance and stress that was eccentricity-forced. Crucially, these abundances correspond to increases in sedimentary Hg-concentrations. Hg-isotope ratios (δ
202 Hg, Δ199 Hg) suggest a volcanic source of Hg-enrichment at the Triassic-Jurassic boundary but a terrestrial source for the early Jurassic peaks. We conclude that volcanically injected Hg across the extinction was repeatedly remobilized from coastal wetlands and hinterland areas during eccentricity-forced phases of severe hydrological upheaval and erosion, focusing Hg-pollution in the Central European Basin., (© 2024. The Author(s).)- Published
- 2024
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24. Antibiotic class with potent in vivo activity targeting lipopolysaccharide synthesis in Gram-negative bacteria.
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Huseby DL, Cao S, Zamaratski E, Sooriyaarachchi S, Ahmad S, Bergfors T, Krasnova L, Pelss J, Ikaunieks M, Loza E, Katkevics M, Bobileva O, Cirule H, Gukalova B, Grinberga S, Backlund M, Simoff I, Leber AT, Berruga-Fernández T, Antonov D, Konda VR, Lindström S, Olanders G, Brandt P, Baranczewski P, Vingsbo Lundberg C, Liepinsh E, Suna E, Jones TA, Mowbray SL, Hughes D, and Karlén A
- Subjects
- Humans, Escherichia coli metabolism, Gram-Negative Bacteria metabolism, beta-Lactamases genetics, Microbial Sensitivity Tests, Anti-Bacterial Agents chemistry, Lipopolysaccharides
- Abstract
Here, we describe the identification of an antibiotic class acting via LpxH, a clinically unexploited target in lipopolysaccharide synthesis. The lipopolysaccharide synthesis pathway is essential in most Gram-negative bacteria and there is no analogous pathway in humans. Based on a series of phenotypic screens, we identified a hit targeting this pathway that had activity on efflux-defective strains of Escherichia coli . We recognized common structural elements between this hit and a previously published inhibitor, also with activity against efflux-deficient bacteria. With the help of X-ray structures, this information was used to design inhibitors with activity on efflux-proficient, wild-type strains. Optimization of properties such as solubility, metabolic stability and serum protein binding resulted in compounds having potent in vivo efficacy against bloodstream infections caused by the critical Gram-negative pathogens E. coli and Klebsiella pneumoniae . Other favorable properties of the series include a lack of pre-existing resistance in clinical isolates, and no loss of activity against strains expressing extended-spectrum-β-lactamase, metallo-β-lactamase, or carbapenemase-resistance genes. Further development of this class of antibiotics could make an important contribution to the ongoing struggle against antibiotic resistance., Competing Interests: Competing interests statement:E.Z., D.A., V.R.K., S.L., G.O., P. Brandt, T.A.J., S.L.M., D.H., and A.K. have secured a patent [WO 2022/220725 (PCT/SE2022/050360)] for the compounds presented in this publication.
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- 2024
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25. Identifying patterns of reported findings on long-term cardiac complications of COVID-19: a systematic review and meta-analysis.
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Guo B, Zhao C, He MZ, Senter C, Zhou Z, Peng J, Li S, Fitzpatrick AL, Lindström S, Stebbins RC, Noppert GA, and Li C
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- Humans, Cross-Sectional Studies, Arrhythmias, Cardiac epidemiology, Arrhythmias, Cardiac etiology, Chest Pain, COVID-19 complications, COVID-19 epidemiology
- Abstract
Introduction: Prior reviews synthesized findings of studies on long-term cardiac complications of COVID-19. However, the reporting and methodological quality of these studies has not been systematically evaluated. Here, we conducted a systematic review and meta-analysis on long-term cardiac complications of COVID-19 and examined patterns of reported findings by study quality and characteristics., Methods: We searched for studies examining long-term cardiac complications of COVID-19 that persisted for 4 weeks and over. A customized Newcastle-Ottawa scale (NOS) was used to evaluate the quality of included studies. Meta-analysis was performed to generate prevalence estimates of long-term cardiac complications across studies. Stratified analyses were further conducted to examine the prevalence of each complication by study quality and characteristics. The GRADE approach was used to determine the level of evidence for complications included in the meta-analysis., Results: A total number of 150 studies describing 57 long-term cardiac complications were included in this review, and 137 studies reporting 17 complications were included in the meta-analysis. Only 25.3% (n = 38) of studies were of high quality based on the NOS quality assessment. Chest pain and arrhythmia were the most widely examined long-term complications. When disregarding study quality and characteristics, summary prevalence estimates for chest and arrhythmia were 9.79% (95% CI 7.24-13.11) and 8.22% (95% CI 6.46-10.40), respectively. However, stratified analyses showed that studies with low-quality scores, small sample sizes, unsystematic sampling methods, and cross-sectional design were more likely to report a higher prevalence of complications. For example, the prevalence of chest pain was 22.17% (95% CI 14.40-32.55), 11.08% (95% CI 8.65-14.09), and 3.89% (95% CI 2.49-6.03) in studies of low, medium, and high quality, respectively. Similar patterns were observed for arrhythmia and other less examined long-term cardiac complications., Conclusion: There is a wide spectrum of long-term cardiac complications of COVID-19. Reported findings from previous studies are strongly related to study quality, sample sizes, sampling methods, and designs, underscoring the need for high-quality epidemiologic studies to characterize these complications and understand their etiology., (© 2023. The Author(s).)
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- 2023
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26. Assessing the associations between known genetic variants and substance use in people with HIV in the United States.
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Haas CB, Jordahl KM, Nance RM, Whitney BM, Wang L, Delaney JAC, Ruderman S, Jia T, Mathews WC, Saag MS, Lee SA, Napravnik S, Jacobson JM, Chander G, McCall EM, Moore RD, Mayer KH, Mukherjee S, Lee WJ, Crane PK, Crane H, Peter I, and Lindström S
- Subjects
- Humans, United States epidemiology, Genome-Wide Association Study, Smoking genetics, Smoking epidemiology, Alcohol Drinking genetics, Alcohol Drinking epidemiology, Ethanol, Substance-Related Disorders epidemiology, Substance-Related Disorders genetics, Cannabis genetics, HIV Infections epidemiology, HIV Infections genetics
- Abstract
Background: The prevalence of substance use in people with HIV (PWH) in the United States is higher than in the general population and is an important driver of HIV-related outcomes. We sought to assess if previously identified genetic associations that contribute to substance use are also observed in a population of PWH., Methods: We performed genome-wide association studies (GWAS) of alcohol, smoking, and cannabis use phenotypes in a multi-ancestry population of 7,542 PWH from the Center for AIDS Research Network of Integrated Clinical Systems (CNICS). We conducted multi-ancestry GWAS for individuals of African (n = 3,748), Admixed American (n = 1,334), and European (n = 2,460) ancestry. Phenotype data were self-reported and collected using patient reported outcomes (PROs) and three questions from AUDIT-C, an alcohol screening tool. We analyzed nine phenotypes: 1) frequency of alcohol consumption, 2) typical number of drinks on a day when drinking alcohol, 3) frequency of five or more alcoholic drinks in a 30-day period, 4) smoking initiation, 5) smoking cessation, 6) cigarettes per day, 7) cannabis use initiation, 8) cannabis use cessation, 9) frequency of cannabis use during the previous 30 days. For each phenotype we considered a) variants previously identified as associated with a substance use trait and b) novel associations., Results: We observed evidence for effects of previously reported single nucleotide polymorphisms (SNPs) related to alcohol (rs1229984, p = 0.001), tobacco (rs11783093, p = 2.22E-4), and cannabis use (rs2875907, p = 0.005). We also report two novel loci (19p13.2, p = 1.3E-8; and 20p11.21, p = 2.1E-8) associated with cannabis use cessation., Conclusions: Our analyses contribute to understanding the genetic bases of substance use in a population with relatively higher rates of use compared to the general population., Competing Interests: KMJ was employed by Bristol-Myers Squibb during the drafting of this manuscript. This does not alter our adherence to PLOS ONE policies on sharing data and materials. All other authors report no conflicts of interest to disclose., (Copyright: This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.)
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- 2023
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27. Suicidal behaviour in over-indebted individuals: a cross-sectional study in Sweden.
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Levinsson H, Probert-Lindström S, Holmgren R, Nilsson Sundström E, and Ahlström R
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- Humans, Female, Male, Sweden epidemiology, Cross-Sectional Studies, Suicide Prevention, Risk Factors, Suicidal Ideation, Suicide, Attempted psychology
- Abstract
Objective: Associations between debt and suicidal behaviour have been identified, but the research is sparse. Thus, more research is needed to understand the association between economic vulnerability and suicide. The study aimed to generate further knowledge about over-indebted individuals who have attempted suicide at least once., Method: Participants were a Swedish sample comprising 641 over-indebted individuals. The inclusion criteria were that the participants should be indebted and have been subjected to debt collection measures and/or seizure orders by the Swedish Enforcement Authority. Participants answered questionnaires regarding socio-demographic variables, debt size, history of suicide attempt, critical life events, and social contacts, and filled the Hospital Anxiety and Depression Scale (HADS). In the statistical analyses, Chi
2 test for independence and t-test was used, and binary logistic regression to adjust for the confounding effects of the variables on each other., Results: The analysis revealed that nearly one in five (19.3%, N = 123) had attempted suicide at least once. A larger part of the respondents who had a history of suicide attempts reported that they were living alone (OR 2.30 (95% CI 1.34-3.89, p = .002). Many of those living alone were women ( χ2 (1, n = 121) = 4.88, p = 0.03, ɸ = 0.22)., Conclusions: The results of the current study point to the fact that economic vulnerability is an important psychosocial aspect to take into serious consideration concerning mental health and suicide prevention. Longitudinal research is needed to explain, predict and prevent suicide due to over-indebtedness.- Published
- 2023
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28. Risk management actions following genetic testing in the Cancer Health Assessments Reaching Many (CHARM) Study: A prospective cohort study.
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Guo B, Knerr S, Kauffman TL, Mittendorf KF, Keast E, Gilmore MJ, Feigelson HS, Lynch FL, Muessig KR, Okuyama S, Zepp JM, Veenstra DL, Hsu L, Phipps AI, Lindström S, Leo MC, Goddard KAB, Wilfond BS, and Devine B
- Subjects
- Female, Humans, Prospective Studies, Mastectomy, Genetic Testing, Risk Assessment, Breast Neoplasms diagnosis, Breast Neoplasms genetics, Breast Neoplasms prevention & control
- Abstract
Background: Genetic testing can identify cancer risk early, enabling prevention and early detection. We describe use of risk management interventions following genetic testing in the Cancer Health Assessment Reaching Many (CHARM) study. CHARM assessed risk and provided genetic testing to low income, low literacy, and other underserved populations that historically face barriers to accessing cancer genetic services., Methods: CHARM was implemented in Kaiser Permanente Northwest (KPNW) and Denver Health (DH) between 2018 and 2020. We identified post-testing screening (mammography, breast MRI, colonoscopy) and surgical (mastectomy, oophorectomy) procedures using electronic health records. We examined utilization in participants who did and did not receive actionable risk management recommendations from study genetic counselors following national guidelines., Results: CHARM participants were followed for an average of 15.4 months (range: 0.4-27.8 months) after results disclosure. Less than 2% (11/680) received actionable risk management recommendations (i.e., could be completed in the initial years following testing) based on their test result. Among those who received actionable recommendations, risk management utilization was moderate (54.5%, 6/11 completed any procedure) and varied by procedure (mammogram: 0/3; MRI: 2/4; colonoscopy: 4/5; mastectomy: 1/5; oophorectomy: 0/3). Cancer screening and surgery procedures were rare in participants without actionable recommendations., Conclusion: Though the number of participants who received actionable risk management recommendations was small, our results suggest that implementing CHARM's risk assessment and testing model increased access to evidence-based genetic services and provided opportunities for patients to engage in recommended preventive care, without encouraging risk management overuse., (© 2023 The Authors. Cancer Medicine published by John Wiley & Sons Ltd.)
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- 2023
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29. A genome-wide gene-environment interaction study of breast cancer risk for women of European ancestry.
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Middha P, Wang X, Behrens S, Bolla MK, Wang Q, Dennis J, Michailidou K, Ahearn TU, Andrulis IL, Anton-Culver H, Arndt V, Aronson KJ, Auer PL, Augustinsson A, Baert T, Freeman LEB, Becher H, Beckmann MW, Benitez J, Bojesen SE, Brauch H, Brenner H, Brooks-Wilson A, Campa D, Canzian F, Carracedo A, Castelao JE, Chanock SJ, Chenevix-Trench G, Cordina-Duverger E, Couch FJ, Cox A, Cross SS, Czene K, Dossus L, Dugué PA, Eliassen AH, Eriksson M, Evans DG, Fasching PA, Figueroa JD, Fletcher O, Flyger H, Gabrielson M, Gago-Dominguez M, Giles GG, González-Neira A, Grassmann F, Grundy A, Guénel P, Haiman CA, Håkansson N, Hall P, Hamann U, Hankinson SE, Harkness EF, Holleczek B, Hoppe R, Hopper JL, Houlston RS, Howell A, Hunter DJ, Ingvar C, Isaksson K, Jernström H, John EM, Jones ME, Kaaks R, Keeman R, Kitahara CM, Ko YD, Koutros S, Kurian AW, Lacey JV, Lambrechts D, Larson NL, Larsson S, Le Marchand L, Lejbkowicz F, Li S, Linet M, Lissowska J, Martinez ME, Maurer T, Mulligan AM, Mulot C, Murphy RA, Newman WG, Nielsen SF, Nordestgaard BG, Norman A, O'Brien KM, Olson JE, Patel AV, Prentice R, Rees-Punia E, Rennert G, Rhenius V, Ruddy KJ, Sandler DP, Scott CG, Shah M, Shu XO, Smeets A, Southey MC, Stone J, Tamimi RM, Taylor JA, Teras LR, Tomczyk K, Troester MA, Truong T, Vachon CM, Wang SS, Weinberg CR, Wildiers H, Willett W, Winham SJ, Wolk A, Yang XR, Zamora MP, Zheng W, Ziogas A, Dunning AM, Pharoah PDP, García-Closas M, Schmidt MK, Kraft P, Milne RL, Lindström S, Easton DF, and Chang-Claude J
- Subjects
- Adult, Female, Humans, Genetic Predisposition to Disease, Bayes Theorem, Genome-Wide Association Study, Risk Factors, Polymorphism, Single Nucleotide, Case-Control Studies, Gene-Environment Interaction, Breast Neoplasms etiology, Breast Neoplasms genetics
- Abstract
Background: Genome-wide studies of gene-environment interactions (G×E) may identify variants associated with disease risk in conjunction with lifestyle/environmental exposures. We conducted a genome-wide G×E analysis of ~ 7.6 million common variants and seven lifestyle/environmental risk factors for breast cancer risk overall and for estrogen receptor positive (ER +) breast cancer., Methods: Analyses were conducted using 72,285 breast cancer cases and 80,354 controls of European ancestry from the Breast Cancer Association Consortium. Gene-environment interactions were evaluated using standard unconditional logistic regression models and likelihood ratio tests for breast cancer risk overall and for ER + breast cancer. Bayesian False Discovery Probability was employed to assess the noteworthiness of each SNP-risk factor pairs., Results: Assuming a 1 × 10
-5 prior probability of a true association for each SNP-risk factor pairs and a Bayesian False Discovery Probability < 15%, we identified two independent SNP-risk factor pairs: rs80018847(9p13)-LINGO2 and adult height in association with overall breast cancer risk (ORint = 0.94, 95% CI 0.92-0.96), and rs4770552(13q12)-SPATA13 and age at menarche for ER + breast cancer risk (ORint = 0.91, 95% CI 0.88-0.94)., Conclusions: Overall, the contribution of G×E interactions to the heritability of breast cancer is very small. At the population level, multiplicative G×E interactions do not make an important contribution to risk prediction in breast cancer., (© 2023. BioMed Central Ltd., part of Springer Nature.)- Published
- 2023
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30. Genome-wide analyses characterize shared heritability among cancers and identify novel cancer susceptibility regions.
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Lindström S, Wang L, Feng H, Majumdar A, Huo S, Macdonald J, Harrison T, Turman C, Chen H, Mancuso N, Bammler T, Gallinger S, Gruber SB, Gunter MJ, Le Marchand L, Moreno V, Offit K, De Vivo I, O'Mara TA, Spurdle AB, Tomlinson I, Fitzgerald R, Gharahkhani P, Gockel I, Jankowski J, Macgregor S, Schumacher J, Barnholtz-Sloan J, Bondy ML, Houlston RS, Jenkins RB, Melin B, Wrensch M, Brennan P, Christiani DC, Johansson M, Mckay J, Aldrich MC, Amos CI, Landi MT, Tardon A, Bishop DT, Demenais F, Goldstein AM, Iles MM, Kanetsky PA, Law MH, Amundadottir LT, Stolzenberg-Solomon R, Wolpin BM, Klein A, Petersen G, Risch H, Chanock SJ, Purdue MP, Scelo G, Pharoah P, Kar S, Hung RJ, Pasaniuc B, and Kraft P
- Subjects
- Male, Humans, Genetic Predisposition to Disease, Risk Factors, Transcriptome, Polymorphism, Single Nucleotide, Genome-Wide Association Study methods, Neoplasms genetics
- Abstract
Background: The shared inherited genetic contribution to risk of different cancers is not fully known. In this study, we leverage results from 12 cancer genome-wide association studies (GWAS) to quantify pairwise genome-wide genetic correlations across cancers and identify novel cancer susceptibility loci., Methods: We collected GWAS summary statistics for 12 solid cancers based on 376 759 participants with cancer and 532 864 participants without cancer of European ancestry. The included cancer types were breast, colorectal, endometrial, esophageal, glioma, head and neck, lung, melanoma, ovarian, pancreatic, prostate, and renal cancers. We conducted cross-cancer GWAS and transcriptome-wide association studies to discover novel cancer susceptibility loci. Finally, we assessed the extent of variant-specific pleiotropy among cancers at known and newly identified cancer susceptibility loci., Results: We observed widespread but modest genome-wide genetic correlations across cancers. In cross-cancer GWAS and transcriptome-wide association studies, we identified 15 novel cancer susceptibility loci. Additionally, we identified multiple variants at 77 distinct loci with strong evidence of being associated with at least 2 cancer types by testing for pleiotropy at known cancer susceptibility loci., Conclusions: Overall, these results suggest that some genetic risk variants are shared among cancers, though much of cancer heritability is cancer-specific and thus tissue-specific. The increase in statistical power associated with larger sample sizes in cross-disease analysis allows for the identification of novel susceptibility regions. Future studies incorporating data on multiple cancer types are likely to identify additional regions associated with the risk of multiple cancer types., (© The Author(s) 2023. Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2023
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31. An examination of distress tolerance, anxiety sensitivity, and intolerance of uncertainty in adults in routine psychiatric care.
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Probert-Lindström S and Perrin S
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- Humans, Adult, Uncertainty, Emotions, Self Report, Anxiety diagnosis, Anxiety psychology, Anxiety Disorders psychology
- Abstract
Aim: A person's ability to tolerate negative emotional states (Distress Tolerance - DT), uncertainty in their everyday lives (Intolerance of Uncertainty - IU), and a tendency to appraise their own feelings of anxiety as harmful (Anxiety Sensitivity - AS) have all been identified as vulnerability factors for anxiety and depressive disorders. However, the relationship between these variables and broader aspects of psychiatric symptom severity in participants recruited from routine care remains unclear., Method: The Distress Tolerance Scale (DTS), Anxiety Sensitivity Scale-3 (ASI-3), and Intolerance of Uncertainty Scale-Short Form (IUS-12) were administered to 91 patients receiving treatment at the Lund Outpatient Psychiatric Clinic. Data was collected from their medical records about their psychiatric history and scores on the Brief Symptom Inventory (BSI). The relationship between total scores on the DTS, ASI-3, IUS-12 and BSI were evaluated via correlations and regression analyses., Results: DTS, ASI-3, and IUS-12 total scores correlated in the moderate to large range, and consistent with previous literature, were moderately to strongly correlated with the severity of self-reported depression, anxiety and overall symptoms (BSI). Regression analyses indicated that together, scores on the DTS, ASI-3 and IUS-12 explained moderate levels of variance in BSI symptom scores, with DTS scores showing the strongest associations. These findings suggest that further studies are needed to examine the construct and criterion validity of the three scales. Further validation of these Swedish-language are also warranted., Competing Interests: Declaration of competing interest The authors declare no conflict of interest. Funding was recieved from The Lindhaga Foundation., (Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.)
- Published
- 2023
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32. Utilization of psychiatric services prior to suicide- a retrospective comparison of users with and without previous suicide attempts.
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Probert-Lindström S, Vaez M, Fröding E, Ehnvall A, Sellin T, Ambrus L, Bergqvist E, Palmqvist-Öberg N, Waern M, and Westrin Å
- Subjects
- Humans, Suicide, Attempted psychology, Retrospective Studies, Cohort Studies, Risk Factors, Mental Disorders diagnosis, Mental Health Services
- Abstract
Introduction: The aim was to investigate psychiatric health care utilization two years before death by suicide among individuals with previous suicide attempts (PSA) compared with those without (NSA)., Method: A retrospective population-based cohort study was conducted including 484 individuals who died by suicide in Sweden in 2015 and were in contact with psychiatric services within the two years preceding death, identified through the Cause of Death register. Data on psychiatric health care two years before death, including suicide attempts according to notes in the medical record was used. Associations between having at least one PSA vs. NSA and health care utilization were estimated as odds ratios (OR) with 95% confidence intervals (CI) by logistic regression analyses., Results: Of the 484 individuals included, 51% had PSA. Those with PSA were more likely than NSA to have received a psychiatric diagnosis [OR 1.96 (CI 95% 1.17-3.30)], to have ongoing psychotropic medication [OR 1.96 (CI 95% 1.15-3.36)] and to have been absent from appointments during the last three months [1.97 (1.25-3.13)]. In addition, elevated suicide risk was more often noted in the psychiatric case records of those with a PSA than those without [OR 2.17 (CI 95% 1.24-3.79)]., Conclusion: The results underline the importance of improved suicide risk assessment as well as thorough diagnostic assessment and when indicated, psychiatric treatment as suicide preventive interventions regardless of PSA. Furthermore, the larger proportion of absence from appointments in individuals with PSA may indicate a need of improved alliance between psychiatric care providers and individuals with PSA.HIGHLIGHTSBeing assessed with elevated suicide risk was more common among those with previous attempt/s (PSA).One-fifth of all with no previous attempt (NSA) had no psychiatric diagnosis, compared to one in ten in those with PSA.Receiving psychotropic medication was more common among those with PSA.
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- 2023
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33. Long-term cardiac symptoms following COVID-19: a systematic review and meta-analysis.
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Guo B, Zhao C, He MZ, Senter C, Zhou Z, Peng J, Li S, Fitzpatrick AL, Lindström S, Stebbins RC, Noppert GA, and Li C
- Abstract
Background: There is growing body of literature on the long-term cardiac symptoms following COVID-19. We conducted a systematic review and meta-analysis to synthesize and evaluate related evidence to inform clinical management and future studies., Methods: We searched two preprint and seven peer-reviewed article databases from January 1, 2020 to January 8, 2022 for studies investigating cardiac symptoms that persisted for at least 4 weeks among individuals who survived COVID-19. A customized Newcastle-Ottawa scale was used to evaluate the quality of included studies. Random-effects meta-analyses were performed to estimate the proportion of symptoms with 95% confidence intervals (CI), and stratified analyses were conducted to quantify the proportion of symptoms by study characteristics and quality., Results: A total of 101 studies describing 49 unique long-term cardiac symptoms met the inclusion criteria. Based on quality assessment, only 15.8% of the studies (n=16) were of high quality, and most studies scored poorly on sampling representativeness. The two most examined symptoms were chest pain and arrhythmia. Meta-analysis showed that the proportion of chest pain was 10.1% (95% CI: 6.4-15.5) and arrhythmia was 9.8% (95% CI: 5.4-17.2). Stratified analyses showed that studies with low-quality score, small sample size, unsystematic sampling method, and cross-sectional design were most likely to report high proportions of symptoms. For example, the proportion of chest pain was 21.3% (95% CI: 10.5-38.5), 9.3% (95% CI: 6.0-14.0), and 4.0% (95% CI: 1.3-12.0) in studies with low, medium, and high-quality scores, respectively. Similar patterns were observed for other cardiac symptoms including hypertension, cardiac abnormalities, myocardial injury, thromboembolism, stroke, heart failure, coronary disease, and myocarditis., Discussion: There is a wide spectrum of long-term cardiac symptoms following COVID-19. Findings of existing studies are strongly related to study quality, size and design, underscoring the need for high-quality epidemiologic studies to characterize these symptoms and understand their etiology., Competing Interests: Declaration of interests: All authors report no conflicts of interest.
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- 2023
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34. Prolonged Inhibitory Effects of Repeated Tibial Nerve Stimulation on the Micturition Reflex in Decorticated Rats.
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Mai J, Liao J, Zhang Y, Zhu B, Jiang C, Lindström S, and Zeng J
- Subjects
- Animals, Female, Rats, Electric Stimulation, Rats, Sprague-Dawley, Reflex physiology, Tibial Nerve physiology, Urination physiology
- Abstract
Objective: This study aimed to determine whether a short-term repeated stimulation of tibial nerve afferents induces a prolonged modulation effect on the micturition reflex in a decorticated rat model., Material and Methods: Fifteen female Sprague-Dawley rats (250-350 g) were fully decorticated and paralyzed in the study. Tibial nerve stimulation (TNS) was delivered by inserting two pairs of needle electrodes close to the nerves at the level of the medial malleolus. Constant flow cystometries (0.07 mL/min) at approximately ten-minute intervals were performed, and the micturition threshold volume (MTV) was recorded and used as a dependent variable. After four to five stable recordings, the tibial nerves of both sides were stimulated continuously for five minutes at 10 Hz and at an intensity of three times the threshold for α-motor axons. Six same stimulations were applied repeatedly, with an interval of five minutes between each stimulation. Mean MTV was calculated on the basis of several cystometries in each half-hour period before, during, and after the six repeated TNS., Results: During the experiment, all the animals survived in good condition with relatively stable micturition reflexes, and a significant increase in MTV was detected after TNS. The strongest effect (mean = 178%) was observed during the first 30 minutes after six repeated stimulations. This obvious threshold increase remained for at least five hours., Conclusions: A prolonged poststimulation modulatory effect on the micturition reflex was induced by short-term repeated TNS in decorticated rats. This study provides a theoretical explanation for the clinical benefit of TNS in patients with overactive bladder and suggests decorticated rats as a promising model for further investigation of the neurophysiological mechanisms underlying the bladder inhibitory response induced by TNS., (Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.)
- Published
- 2022
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35. Excess mortality by suicide in high-risk subgroups of suicide attempters: a prospective study of standardised mortality rates in suicide attempters examined at a medical emergency inpatient unit.
- Author
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Probert-Lindström S, Öjehagen A, Ambrus L, Skogman Pavulans K, and Berge J
- Subjects
- Emergency Service, Hospital, Female, Hospitalization, Humans, Male, Prospective Studies, Inpatients, Suicide, Attempted
- Abstract
Objectives: The primary aim of the present study was to investigate the putative excess mortality by suicide in suicide attempters. As a secondary aim, we investigate excess mortality in specific, clinically relevant subgroups: individuals with repeated suicide attempts (RA); individuals who used violent method at the attempt (VA); and those who scored high on the Suicide Intent Scale (HS) at the time of the baseline attempt. Finally, we investigate excess mortality in men and women separately and within 5 years and over 5 years after hospital admission for attempted suicide., Design: Prospective register-based follow-up for 21-32 years. Standardised mortality ratio (SMR) was calculated for suicide using national census data. Clinically relevant subgroups were investigated separately., Setting: Medical emergency inpatient unit in the south of Sweden., Participants: 1039 individuals who were psychiatrically assessed at admission to medical inpatient care for attempted suicide between 1987 and 1998., Outcome Measure: Suicide., Results: The overall SMR for suicide was 23.50 (95% CI 18.68 to 29.56); significantly higher (p<0.001) among women (30.49 (95% CI 22.27 to 41.72)) than men (18.61 (95% CI 13.30 to 26.05)). Mortality was highest within the first 5 years after the index suicide attempt (48.79 (95% CI 35.64 to 66.77)) compared with those who died after 5 years (p<0.001) (14.74 (10.53 to 20.63)). The highest independent SMR was found for VA (70.22 (95% CI 38.89 to 126.80)). In a regression model including RA, VA and HS all contributed significantly to excess suicide mortality., Conclusions: An elevated risk of premature death by suicide was found in suicide attempters compared with the general population. Assessment of previous suicide attempts is important, even though the attempt/s may have occurred decades ago. When assessing suicide risk, clinicians should consider repeated attempts and whether the attempts involved high suicidal intent and violent method. Healthcare interventions may benefit from targeting identified subgroups of attempters., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
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- 2022
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36. Correction: Disease consequences of higher adiposity uncoupled from its adverse metabolic effects using Mendelian randomisation.
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Martin S, Tyrrell J, Thomas EL, Bown MJ, Wood AR, Beaumont RN, Tsoi LC, Stuart PE, Elder JT, Law P, Houlston R, Kabrhel C, Papadimitriou N, Gunter M, Bull C, Bell JA, Vincent EE, Sattar N, Dunlop MG, Tomlinson IPM, Lindström S, Bell JD, Frayling T, and Yaghootkar H
- Published
- 2022
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37. Health care utilisation two years prior to suicide in Sweden: a retrospective explorative study based on medical records.
- Author
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Bergqvist E, Probert-Lindström S, Fröding E, Palmqvist-Öberg N, Ehnvall A, Sunnqvist C, Sellin T, Vaez M, Waern M, and Westrin Å
- Subjects
- Age Factors, Aged, Delivery of Health Care, Female, Humans, Male, Middle Aged, Patient Acceptance of Health Care psychology, Retrospective Studies, Sex Factors, Sweden epidemiology, Health Behavior, Medical Records, Suicide psychology, Suicide Prevention
- Abstract
Objective: Previous literature has suggested that identifying putative differences in health care seeking patterns before death by suicide depending on age and gender may facilitate more targeted suicide preventive approaches. The aim of this study is to map health care utilisation among individuals in the two years prior to suicide in Sweden in 2015 and to examine possible age and gender differences., Methods: Design: A retrospective explorative study with a medical record review covering the two years preceding suicide., Setting: All health care units located in 20 of Sweden's 21 regions., Participants: All individuals residing in participating regions who died by suicide during 2015 (n = 949)., Results: Almost 74% were in contact with a health care provider during the 3 months prior to suicide, and 60% within 4 weeks. Overall health care utilisation during the last month of life did not differ between age groups. However, a higher proportion of younger individuals (< 65 years) were in contact with psychiatric services, and a higher proportion of older individuals (≥ 65 years) were in contact with primary and specialised somatic health care. The proportion of women with any type of health care contact during the observation period was larger than the corresponding proportion of men, although no gender difference was found among primary and specialised somatic health care users within four weeks and three months respectively prior to suicide., Conclusion: Care utilisation before suicide varied by gender and age. Female suicide decedents seem to utilise health care to a larger extent than male decedents in the two years preceding death, except for the non-psychiatric services in closer proximity to death. Older adults seem to predominantly use non-psychiatric services, while younger individuals seek psychiatric services to a larger extent., (© 2022. The Author(s).)
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- 2022
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38. Genome-wide interaction analysis of menopausal hormone therapy use and breast cancer risk among 62,370 women.
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Wang X, Kapoor PM, Auer PL, Dennis J, Dunning AM, Wang Q, Lush M, Michailidou K, Bolla MK, Aronson KJ, Murphy RA, Brooks-Wilson A, Lee DG, Cordina-Duverger E, Guénel P, Truong T, Mulot C, Teras LR, Patel AV, Dossus L, Kaaks R, Hoppe R, Lo WY, Brüning T, Hamann U, Czene K, Gabrielson M, Hall P, Eriksson M, Jung A, Becher H, Couch FJ, Larson NL, Olson JE, Ruddy KJ, Giles GG, MacInnis RJ, Southey MC, Le Marchand L, Wilkens LR, Haiman CA, Olsson H, Augustinsson A, Krüger U, Wagner P, Scott C, Winham SJ, Vachon CM, Perou CM, Olshan AF, Troester MA, Hunter DJ, Eliassen HA, Tamimi RM, Brantley K, Andrulis IL, Figueroa J, Chanock SJ, Ahearn TU, García-Closas M, Evans GD, Newman WG, van Veen EM, Howell A, Wolk A, Håkansson N, Anton-Culver H, Ziogas A, Jones ME, Orr N, Schoemaker MJ, Swerdlow AJ, Kitahara CM, Linet M, Prentice RL, Easton DF, Milne RL, Kraft P, Chang-Claude J, and Lindström S
- Subjects
- Breast, Estrogen Replacement Therapy adverse effects, Female, Hormone Replacement Therapy adverse effects, Humans, Menopause, Risk Factors, Breast Neoplasms chemically induced, Breast Neoplasms epidemiology, Breast Neoplasms genetics
- Abstract
Use of menopausal hormone therapy (MHT) is associated with increased risk for breast cancer. However, the relevant mechanisms and its interaction with genetic variants are not fully understood. We conducted a genome-wide interaction analysis between MHT use and genetic variants for breast cancer risk in 27,585 cases and 34,785 controls from 26 observational studies. All women were post-menopausal and of European ancestry. Multivariable logistic regression models were used to test for multiplicative interactions between genetic variants and current MHT use. We considered interaction p-values < 5 × 10
-8 as genome-wide significant, and p-values < 1 × 10-5 as suggestive. Linkage disequilibrium (LD)-based clumping was performed to identify independent candidate variants. None of the 9.7 million genetic variants tested for interactions with MHT use reached genome-wide significance. Only 213 variants, representing 18 independent loci, had p-values < 1 × 105 . The strongest evidence was found for rs4674019 (p-value = 2.27 × 10-7 ), which showed genome-wide significant interaction (p-value = 3.8 × 10-8 ) with current MHT use when analysis was restricted to population-based studies only. Limiting the analyses to combined estrogen-progesterone MHT use only or to estrogen receptor (ER) positive cases did not identify any genome-wide significant evidence of interactions. In this large genome-wide SNP-MHT interaction study of breast cancer, we found no strong support for common genetic variants modifying the effect of MHT on breast cancer risk. These results suggest that common genetic variation has limited impact on the observed MHT-breast cancer risk association., (© 2022. The Author(s).)- Published
- 2022
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39. Genome-wide and transcriptome-wide association studies of mammographic density phenotypes reveal novel loci.
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Chen H, Fan S, Stone J, Thompson DJ, Douglas J, Li S, Scott C, Bolla MK, Wang Q, Dennis J, Michailidou K, Li C, Peters U, Hopper JL, Southey MC, Nguyen-Dumont T, Nguyen TL, Fasching PA, Behrens A, Cadby G, Murphy RA, Aronson K, Howell A, Astley S, Couch F, Olson J, Milne RL, Giles GG, Haiman CA, Maskarinec G, Winham S, John EM, Kurian A, Eliassen H, Andrulis I, Evans DG, Newman WG, Hall P, Czene K, Swerdlow A, Jones M, Pollan M, Fernandez-Navarro P, McConnell DS, Kristensen VN, Rothstein JH, Wang P, Habel LA, Sieh W, Dunning AM, Pharoah PDP, Easton DF, Gierach GL, Tamimi RM, Vachon CM, and Lindström S
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- Female, Genetic Predisposition to Disease, Genome-Wide Association Study, Humans, Phenotype, Polymorphism, Single Nucleotide, Transcriptome, Breast Density genetics, Breast Neoplasms diagnostic imaging, Breast Neoplasms genetics
- Abstract
Background: Mammographic density (MD) phenotypes, including percent density (PMD), area of dense tissue (DA), and area of non-dense tissue (NDA), are associated with breast cancer risk. Twin studies suggest that MD phenotypes are highly heritable. However, only a small proportion of their variance is explained by identified genetic variants., Methods: We conducted a genome-wide association study, as well as a transcriptome-wide association study (TWAS), of age- and BMI-adjusted DA, NDA, and PMD in up to 27,900 European-ancestry women from the MODE/BCAC consortia., Results: We identified 28 genome-wide significant loci for MD phenotypes, including nine novel signals (5q11.2, 5q14.1, 5q31.1, 5q33.3, 5q35.1, 7p11.2, 8q24.13, 12p11.2, 16q12.2). Further, 45% of all known breast cancer SNPs were associated with at least one MD phenotype at p < 0.05. TWAS further identified two novel genes (SHOX2 and CRISPLD2) whose genetically predicted expression was significantly associated with MD phenotypes., Conclusions: Our findings provided novel insight into the genetic background of MD phenotypes, and further demonstrated their shared genetic basis with breast cancer., (© 2022. The Author(s).)
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- 2022
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40. A genome-wide gene-based gene-environment interaction study of breast cancer in more than 90,000 women.
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Wang X, Chen H, Middha Kapoor P, Su YR, Bolla MK, Dennis J, Dunning AM, Lush M, Wang Q, Michailidou K, Pharoah PDP, Hopper JL, Southey MC, Koutros S, Beane Freeman LE, Stone J, Rennert G, Shibli R, Murphy RA, Aronson K, Guénel P, Truong T, Teras LR, Hodge JM, Canzian F, Kaaks R, Brenner H, Arndt V, Hoppe R, Lo WY, Behrens S, Mannermaa A, Kosma VM, Jung A, Becher H, Giles GG, Haiman CA, Maskarinec G, Scott C, Winham S, Simard J, Goldberg MS, Zheng W, Long J, Troester MA, Love MI, Peng C, Tamimi R, Eliassen H, García-Closas M, Figueroa J, Ahearn T, Yang R, Evans DG, Howell A, Hall P, Czene K, Wolk A, Sandler DP, Taylor JA, Swerdlow AJ, Orr N, Lacey JV, Wang S, Olsson H, Easton DF, Milne RL, Hsu L, Kraft P, Chang-Claude J, and Lindström S
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- Humans, Female, Genetic Predisposition to Disease genetics, Genome-Wide Association Study, Risk Factors, Gene-Environment Interaction, Breast Neoplasms epidemiology
- Abstract
Background: Genome-wide association studies (GWAS) have identified more than 200 susceptibility loci for breast cancer, but these variants explain less than a fifth of the disease risk. Although gene-environment interactions have been proposed to account for some of the remaining heritability, few studies have empirically assessed this., Methods: We obtained genotype and risk factor data from 46,060 cases and 47,929 controls of European ancestry from population-based studies within the Breast Cancer Association Consortium (BCAC). We built gene expression prediction models for 4,864 genes with a significant (P<0.01) heritable component using the transcriptome and genotype data from the Genotype-Tissue Expression (GTEx) project. We leveraged predicted gene expression information to investigate the interactions between gene-centric genetic variation and 14 established risk factors in association with breast cancer risk, using a mixed-effects score test., Results: After adjusting for number of tests using Bonferroni correction, no interaction remained statistically significant. The strongest interaction observed was between the predicted expression of the C13orf45 gene and age at first full-term pregnancy (P
GXE =4.44×10-6 )., Conclusion: In this transcriptome-informed genome-wide gene-environment interaction study of breast cancer, we found no strong support for the role of gene expression in modifying the associations between established risk factors and breast cancer risk., Impact: Our study suggests a limited role of gene-environment interactions in breast cancer risk., Competing Interests: Conflict of interest disclosure statement: The authors declare no potential conflicts of interest.- Published
- 2022
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41. Cross-ancestry Genome-wide Association Studies of Sex Hormone Concentrations in Pre- and Postmenopausal Women.
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Haas CB, Hsu L, Lampe JW, Wernli KJ, and Lindström S
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- Estradiol, Female, Gonadal Steroid Hormones, Humans, Sex Hormone-Binding Globulin genetics, Testosterone, Genome-Wide Association Study, Postmenopause genetics
- Abstract
Objective: Concentrations of circulating sex hormones have been associated with a variety of diseases in women and are strongly influenced by menopausal status. We investigated the genetic architectures of circulating concentrations of estradiol, testosterone, and SHBG by menopausal status in women of European and African ancestry., Methods: Using data on 229 966 women from the UK Biobank, we conducted genome-wide association studies (GWASs) of circulating concentrations of estradiol, testosterone, and SHBG in premenopausal and postmenopausal women. We tested for evidence of heterogeneity of genetic effects by menopausal status and genetic ancestry. We conducted gene-based enrichment analyses to identify tissues in which genes with GWAS-enriched signals were expressed., Results: We identified 4 loci (5q35.2, 12q14.3, 19q13.42, 20p12.3) that were associated with detectable concentrations of estradiol in both pre- and postmenopausal women of European ancestry. Heterogeneity analysis identified 1 locus for testosterone (7q22.1) in the CYP3A7 gene and 1 locus that was strongly associated with concentrations of SHBG in premenopausal women only (10q15.1) near the AKR1C4 gene. Gene-based analysis of testosterone revealed evidence of enrichment of GWAS signals in genes expressed in adipose tissue for postmenopausal women. We did not find any evidence of ancestry-specific genetic effects for concentrations of estradiol, testosterone, or SHBG., Conclusions: We identified specific loci that showed genome-wide significant evidence of heterogeneity by menopausal status for testosterone and SHBG. We also observed support for a more prominent role of genetic variants located near genes expressed in adipose tissue in determining testosterone concentrations among postmenopausal women., (© The Author(s) 2022. Published by Oxford University Press on behalf of the Endocrine Society. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
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- 2022
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42. Disease consequences of higher adiposity uncoupled from its adverse metabolic effects using Mendelian randomisation.
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Martin S, Tyrrell J, Thomas EL, Bown MJ, Wood AR, Beaumont RN, Tsoi LC, Stuart PE, Elder JT, Law P, Houlston R, Kabrhel C, Papadimitriou N, Gunter MJ, Bull CJ, Bell JA, Vincent EE, Sattar N, Dunlop MG, Tomlinson IPM, Lindström S, Bell JD, Frayling TM, and Yaghootkar H
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- Adult, Aged, Aged, 80 and over, Body Mass Index, Cardiometabolic Risk Factors, Female, Genome-Wide Association Study, Humans, Male, Middle Aged, Adiposity genetics, Mendelian Randomization Analysis methods, Obesity genetics
- Abstract
Background: Some individuals living with obesity may be relatively metabolically healthy, whilst others suffer from multiple conditions that may be linked to adverse metabolic effects or other factors. The extent to which the adverse metabolic component of obesity contributes to disease compared to the non-metabolic components is often uncertain. We aimed to use Mendelian randomisation (MR) and specific genetic variants to separately test the causal roles of higher adiposity with and without its adverse metabolic effects on diseases., Methods: We selected 37 chronic diseases associated with obesity and genetic variants associated with different aspects of excess weight. These genetic variants included those associated with metabolically 'favourable adiposity' (FA) and 'unfavourable adiposity' (UFA) that are both associated with higher adiposity but with opposite effects on metabolic risk. We used these variants and two sample MR to test the effects on the chronic diseases., Results: MR identified two sets of diseases. First, 11 conditions where the metabolic effect of higher adiposity is the likely primary cause of the disease. Here, MR with the FA and UFA genetics showed opposing effects on risk of disease: coronary artery disease, peripheral artery disease, hypertension, stroke, type 2 diabetes, polycystic ovary syndrome, heart failure, atrial fibrillation, chronic kidney disease, renal cancer, and gout. Second, 9 conditions where the non-metabolic effects of excess weight (e.g. mechanical effect) are likely a cause. Here, MR with the FA genetics, despite leading to lower metabolic risk, and MR with the UFA genetics, both indicated higher disease risk: osteoarthritis, rheumatoid arthritis, osteoporosis, gastro-oesophageal reflux disease, gallstones, adult-onset asthma, psoriasis, deep vein thrombosis, and venous thromboembolism., Conclusions: Our results assist in understanding the consequences of higher adiposity uncoupled from its adverse metabolic effects, including the risks to individuals with high body mass index who may be relatively metabolically healthy., Funding: Diabetes UK, UK Medical Research Council, World Cancer Research Fund, National Cancer Institute., Competing Interests: SM, JT, ET, MB, AW, RB, LT, PS, JE, PL, RH, CK, NP, MG, CB, JB, EV, MD, IT, JB, HY No competing interests declared, NS Naveed Sattar has consulted for Afimmune, Amgen, AstraZeneca, Boehringer Ingelheim, Eli Lilly, Hanmi Pharmaceuticals, Merck Sharp & Dohme, Novartis, Novo Nordisk, Pfizer, and Sanofi; and received grant support paid to his University from AstraZeneca, Boehringer Ingelheim and Roche Diagnostics outside the submitted work, TF Tim Frayling has consulted for Boehringer Ingelheim and Sanofi and has a student supported by GSK, (© 2022, Martin et al.)
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- 2022
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43. Oral postmenopausal hormone therapy and genetic risk on venous thromboembolism: gene-hormone interaction results from a large prospective cohort study.
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Kim J, Bhupathiraju SN, Harrington LB, Hagan KA, Lindström S, Manson JE, Kraft P, and Kabrhel C
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- Aged, Estrogens adverse effects, Female, Humans, Middle Aged, Postmenopause, Prospective Studies, Risk Factors, Estrogen Replacement Therapy adverse effects, Venous Thromboembolism chemically induced, Venous Thromboembolism epidemiology, Venous Thromboembolism genetics
- Abstract
Objective: Oral postmenopausal hormone therapy (HT) has been shown to be associated with venous thromboembolism (VTE), but whether this association is modified by VTE-associated genetic susceptibility is unknown. We examined interactions between oral HT use and a genetic risk score (GRS) of VTE., Method: Eligible women were postmenopausal women who had data on oral HT use, VTE incidence between 1990 and 2012, and genetic data in the Nurses' Health Study. We built a GRS aggregating 16 VTE-related genetic variants. We used Cox regression to estimate associations of HT use with incident VTE and assessed interactions between HT use and VTE GRS. We also estimated incidence of VTE between age 50 and 79 years for groups of women defined by HT use and VTE GRS., Results: We identified 432 incident VTE cases. Current HT users were at higher risk of VTE than never users (HR: 1.9, 95% CI: 1.5-2.6), with slightly higher risk for estrogen plus progestin HT than estrogen only (HR: 2.4 vs 1.9). The GRS was associated with VTE risk (HR comparing 4th quartile to 1st: 2.0, 95% CI: 1.2-3.4). We did not observe significant multiplicative interactions between HT use and GRS. The estimated VTE risk difference (per 10,000 person-years) comparing 50-year-old current HT users to never users was 22.5 for women in the highest GRS quartile and 9.8 for women in the lowest GRS quartile., Conclusion: The VTE GRS might inform clinical guidance regarding the balance of risks and benefits of HT use, especially among younger women., Competing Interests: Financial disclosures/conflicts of interest: L.B.H. is a full-time employee at Kaiser Permanente Washington Health Research Institute whose current research portfolio at the Kaiser Permanente Washington Health Research Institute is supported by grants from the NIH and FDA Sentinel. S.N.B. is a scientific advisor for LayerIV for work unrelated to this manuscript. C.K. receives funding from Diagnostica Stago, Grifols, and consulting to Boston Scientific; he has received past funding from Janssen. The other authors have nothing to disclose., (Copyright © 2022 by The North American Menopause Society.)
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- 2022
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44. Association Between Genetic Predictors for C-Reactive Protein and Venous Thromboembolism With Severe Adverse Coronavirus Disease 2019 Outcomes.
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Guo B, Williams-Nguyen J, Wang L, Haas CB, Kabrhel C, and Lindström S
- Abstract
To assess if genetic predictors for C-reactive protein and risk of venous thromboembolism are associated with severe outcomes among individuals who tested positive for severe acute respiratory syndrome coronavirus 2., Design: Retrospective cohort study., Setting: U.K. Biobank., Patients or Subjects: U.K. Biobank participants with European ancestry who were recorded to have a positive polymerase chain reaction test result for severe acute respiratory syndrome coronavirus 2 between March 16, 2020, and August 14, 2020., Interventions: Not applicable., Measurements and Main Results: We constructed separate genetic risk scores for C-reactive protein and venous thromboembolism consisting of 56 and 37 genetic variants that have been significantly associated with venous thromboembolism and C-reactive protein, respectively. Among 1,126 individuals who were diagnosed with coronavirus disease 2019, 48% had a coronavirus disease 2019-related hospitalization, 16% received critical care support, 10% had critical respiratory support, and 21% died from coronavirus disease 2019. Genetic predisposition to high C-reactive protein concentrations was marginally associated with a lower risk of death from coronavirus disease 2019 (odds ratio, 0.85; 95% CI, 0.73-1.00; p = 0.05). No other associations were significant., Conclusions: Our results do not support associations between polygenic risk for elevated blood C-reactive protein concentrations or venous thromboembolism and severe coronavirus disease 2019 health outcomes. Thus, considering genetic predisposition associated with C-reactive protein concentrations or venous thromboembolism risk is not meaningful for predicting severe coronavirus disease 2019 health outcomes., Competing Interests: The authors have disclosed that they do not have any potential conflicts of interest., (Copyright © 2021 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of the Society of Critical Care Medicine.)
- Published
- 2021
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