24 results on '"Babu SR"'
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2. Paxlovid (Nirmatrelvir and Ritonavir) Use in Pregnant and Lactating Woman: Current Evidence and Practice Guidelines—A Scoping Review
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Prabal Chourasia, Babu Sriram Maringanti, Morgan Edwards-Fligner, Karthik Gangu, Aniesh Bobba, Abu Baker Sheikh, and Rahul Shekhar
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paxlovid ,pregnancy ,breast feeding ,COVID-19 ,Medicine - Abstract
COVID-19 virus, since the detection of the first case in Wuhan in 2019, has caused a worldwide pandemic with significant human, economic and social costs. Fortunately, several vaccines and treatments, both IV and oral, are currently approved against the COVID-19 virus. Paxlovid is an oral treatment option for patients with mild-to-moderate disease, and it effectively reduces disease severity in high-risk patients. Paxlovid is an oral antiviral that consists of a combination of nirmatrelvir and ritonavi. As an oral medication suitable for outpatient treatment, it reduces the cost, hospitalization and mortality associated with COVID-19 infection. The pregnant population is a high-risk category for COVID-19 disease. Given their exclusion in clinical trials, there is limited data regarding Paxlovid use in pregnant and lactating women. Indirect evidence from ritonavir use as part of HAART therapy in the pregnant and lactating population with HIV has shown no significant teratogenicity. Moreover, animal studies on the use of nirmatrelvir do not suggest teratogenicity. This article summarizes the available data on ritonavir and nirmatrelvir use during pregnancy and in ongoing clinical trials. We also review the recommendations of major societies worldwide regarding Paxlovid use in pregnant and breastfeeding patients.
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- 2023
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3. Lupeol Attenuates Palmitate-Induced Hypertrophy in 3T3-L1 Adipocytes.
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Selvaraju V, Babu SR, Judd RL, and Geetha T
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- Animals, Mice, Fatty Acid-Binding Proteins metabolism, Fatty Acid-Binding Proteins genetics, PPAR gamma metabolism, Palmitates toxicity, Palmitates pharmacology, Cell Differentiation drug effects, Lupanes, 3T3-L1 Cells, Pentacyclic Triterpenes pharmacology, Adipocytes drug effects, Adipocytes metabolism, Adipogenesis drug effects, Hypertrophy drug therapy
- Abstract
Obesity is characterized by the enlargement of adipose tissue due to an increased calorie intake exceeding the body's energy expenditure. Changes in the size of adipose tissue can lead to harmful consequences, with excessive fat accumulation resulting in adipocyte hypertrophy and promoting metabolic dysfunction. These adiposity-associated pathologies can be influenced by dietary components and their potential health benefits. Lupeol, a pharmacologically active pentacyclic triterpenoid found in medicinal plants, vegetables, and fruits, has been shown to exhibit antioxidant and anti-inflammatory properties. This study investigated the role of lupeol on adipocyte hypertrophy by evaluating key adipogenic regulators in vitro. First, 3T3-L1 MBX mouse embryonic cells were differentiated into adipocytes and hypertrophy was induced using 500 µM palmitic acid. The treated adipocytes showed a significantly increased lipid droplet size, confirming adipocyte hypertrophy. Both adipocytes and hypertrophied adipocytes were then treated with or without 60 µM lupeol, following a dose-dependent study. Lipid droplet size was assessed and validated by Oil Red O staining. Western blot analysis was performed to measure the expression of adipogenic and inflammatory markers. Differentiated adipocytes showed increased fatty acid-binding protein 4 (FABP4) expression and Oil Red O staining, indicating an increased lipid content. Western blot analysis revealed that lupeol treatment reduced the expression of FABP4, peroxisome proliferator-activated receptor-γ (PPARγ), and adipokines. In conclusion, the results suggest that lupeol reverts the inflammatory and adipogenic markers that are enhanced in adipocyte hypertrophy. Through its anti-inflammatory effects, lupeol offers protective effects against adipocyte hypertrophy and contributes to reducing hypertrophic adiposity.
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- 2025
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4. Mission 2034: Making Pediatric Surgery Greater - Presidential Address Delivered at the Golden Jubilee Conference of Indian Association of Pediatric Surgeons, Rishikesh, 2024.
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Babu SR
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- 2025
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5. Reversible No-Reflow Phenomenon in a Free Flap after 16 Hours.
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Babu SR, Malhotra A, Shah UA, Dandekar PB, Chindarkar HP, Doddi AK, and Chakraborty SS
- Abstract
Competing Interests: Conflict of Interest None declared.
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- 2023
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6. Unusual case of a free anterolateral thigh flap partial necrosis in a COVID-19 positive young male following extremity reconstruction.
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Chakraborty SS, Malhotra A, Shah UA, Babu SR, Dandekar PB, Kumar DA, and Prakash CH
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- Humans, Male, Thigh surgery, Lower Extremity surgery, Postoperative Complications surgery, Free Tissue Flaps surgery, Plastic Surgery Procedures, COVID-19, Vascular Diseases
- Abstract
Free flap procedure provides an overall success rate of 97%, which decreases to 85% in hypercoagulable states. COVID-19, as a pro-thrombotic disorder, therefore seems detrimental to free flap survival. We encountered a case of unique pattern of free flap partial failure in a young male who underwent extremity reconstruction. The patient was diagnosed as COVID-19 positive on the 3rd day post-reconstruction. The flap survived well for the first 7 days post-operatively, but gradually the skin got necrosed and the subcutaneous fat layer was preserved when debriding. To our knowledge, this is the only case in which the skin of the free flap of a COVID-19 positive patient was necrosed almost entirely subsequently, while the subcutaneous fat was relatively preserved., (Copyright © 2023 Chinese Medical Association. Production and hosting by Elsevier B.V. All rights reserved.)
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- 2023
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7. Intranasal nanoparticulate delivery systems for neurodegenerative disorders: a review.
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Babu SR, Shekara HH, Sahoo AK, Harsha Vardhan PV, Thiruppathi N, and Venkatesh MP
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- Humans, Administration, Intranasal, Blood-Brain Barrier metabolism, Drug Delivery Systems, Brain metabolism, Neurodegenerative Diseases drug therapy, Neurodegenerative Diseases metabolism, Nanoparticles
- Abstract
Neurodegenerative diseases are a significant cause of mortality worldwide, and the blood-brain barrier (BBB) poses a significant challenge for drug delivery. An intranasal route is a prominent approach among the various methods to bypass the BBB. There are different pathways involved in intranasal drug delivery. The drawbacks of this method include mucociliary clearance, enzymatic degradation and poor drug permeation. Novel nanoformulations and intranasal drug-delivery devices offer promising solutions to overcome these challenges. Nanoformulations include polymeric nanoparticles, lipid-based nanoparticles, microspheres, liposomes and noisomes. Additionally, intranasal devices could be utilized to enhance drug-delivery efficacy. Therefore, intranasal drug-delivery systems show potential for treating neurodegenerative diseases through trigeminal or olfactory pathways, which can significantly improve patient outcomes.
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- 2023
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8. The effect of different decontamination processes on the residues of fipronil and its metabolites in chili fruits (Capsicum annuum L.).
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Dudwal R, Jakhar BL, Pathan ARK, Kataria A, Jan I, Kakralya BL, Dhaka SR, Hussain A, Bana JK, Babu SR, Yadav AK, and Rashied F
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- Fruit chemistry, Decontamination, India, Pyrazoles chemistry, Capsicum chemistry, Insecticides analysis, Pesticide Residues analysis
- Abstract
Fipronil is a broad-spectrum phenyl pyrazole insecticide that has a high degree of environmental toxicity. Commonly available chilies in the market are treated with fipronil insecticides. Demand for insecticide-free chili has thus been increasing globally. This needs various sustainable and economical methods to remove insecticides from chilies. The present study examined the effectiveness of several cleaning methods to remove pesticide residues in chili fruits. A supervised field trial was conducted in randomized block design at Rajasthan Agricultural Research Institute, Durgapura, Jaipur, India. Chili samples were subjected to seven different household methods. The samples were extracted using the quick, easy, cheap, effective, rugged, and safe (QuEChERS) method. The residues were analyzed using a gas chromatograph-electron capture detector and confirmed by GC-MS. Of the seven methods, the acetic acid treatment removes the maximum residue effect of fipronil and its metabolites (desulfinyl [MB046513]), sulfide (MB045950), and sulfone (MB046136) on chili fruits. By contrast, the tap water treatment was the least effective. The Food Safety and Standards Authority of India (FSSAI) have set the maximum residue limit value of 0.001 mg kg
-1 for fipronil on green chili., (© 2023 John Wiley & Sons Ltd.)- Published
- 2023
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9. Updated experimental cellular models to study polycystic ovarian syndrome.
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Sudhakaran G, Babu SR, Mahendra H, and Arockiaraj J
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- Female, Animals, Humans, Polycystic Ovary Syndrome metabolism, Hyperandrogenism pathology
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Polycystic ovarian syndrome (PCOS) develops due to hormonal imbalance and hyperandrogenism. Animal models are widely used to study PCOS because they mimic essential characteristics of human PCOS; however, the pathogenesis of PCOS remains unclear. Different sources of novel drugs are currently being screened as therapeutic strategies to alleviate PCOS and its symptoms. Simplified cell line in-vitro models could be preliminarily used to screen the bioactivity of various drugs. This review describes different cell line models focusing on the PCOS condition and its complications. Therefore, the bioactivity of the drugs could be preliminarily screened in a cell line model before moving to higher animal models., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Inc. All rights reserved.)
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- 2023
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10. Mechanical, microstructural and fracture studies on inconel 825-SS316L functionally graded wall fabricated by wire arc additive manufacturing.
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Senthil TS, Babu SR, and Puviyarasan M
- Abstract
This paper presents a novel method that uses the cold metal transfer based wire arc additive manufacturing process to fabricate functionally graded Inconel 825-SS316L walls. The optical micrograph of Inconel 825 exhibits continuous and discontinuous dendritic structures. The SS316L region comprises 5% of δ-ferrite in primary austenitic (γ) dendrites which was confirmed by the Cr
eq /Nieq ratio of 1.305. The functionally graded interface reveals a partially mixed zone with a transition from the elongated dendrites to fine equiaxed dendrites. The tensile properties of the fabricated wall were determined at room temperature using specimens extracted from Inconel 825, SS316L, and the interface regions. The morphology of the tensile tested specimens revealed significant plastic deformation, indicating ductile failure. The fracture toughness of the wall was experimentally investigated by employing the crack tip opening displacement (CTOD) test. The fracture morphology exhibited a ductile mode of fracture with striations perpendicular to the direction of crack development. Elemental mapping revealed that there was no evidence of elemental segregation on the fractured surfaces, and the elements were uniformly dispersed. The CTOD measures 0.853 mm, 0.873 mm on the Inconel 825 side and the SS316L side respectively. The test results confirm that both the Inconel 825 and SS316L sides have good fracture toughness., (© 2023. The Author(s).)- Published
- 2023
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11. Comparison of the free thinned anterolateral thigh perforator flap with the free medial sural artery perforator flap for reconstruction of head and neck, and extremity defects.
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Chakraborty SS, Malhotra A, Urvi Ashok S, Baraiya D, Shetty SP, Babu SR, Dandekar PB, and Acharya S
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- Humans, Thigh surgery, Cohort Studies, Arteries surgery, Plastic Surgery Procedures, Perforator Flap blood supply, Perforator Flap surgery
- Abstract
BACKGROUNDThe free anterolateral thigh (ALTP) and free medial sural artery perforator (MSAP) flaps are time tested donor for head and neck, and extremities defect reconstruction. Proponents of either flap have concluded each as workhorse flap in their large cohort studies. However, we could not find any literature comparing the donor morbidities, or recipient site outcomes of these flaps, objectively.METHODSRetrospective data, such as demographic details, flap characteristics and post operative course, from patients who underwent free thinned ALTP (25 patients) and MSAP flap (20 patients) were included. At follow-up, donor site morbidity and recipient site outcomes were assessed, using previously defined protocols. These were compared in-between the two groups. RESULTSFree thinned ALTP (tALTP) flap had significantly more pedicle length and vessel diameter and harvest time than free MSAP flap (p value<.00). The differences in incidence of hyperpigmentation, itching, hypertrophic scar, numbness, sensory impairment and cold intolerance at the donor site in-between the two groups, were not significant statistically. Scar at free MSAP donor site was considered a significant social stigma (p value=.005). Recipient site cosmetic outcome was comparable (p value=.86), measured using aesthetic numeric analogue.CONCLUSIONSThe free tALTP flap is superior to free MSAP flap in terms of pedicle length, vessel diameter, donor site morbidity, while the latter takes lesser time for harvest.
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- 2023
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12. Impact of COVID-19 lockdown on the atmospheric boundary layer and instability process over Indian region.
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Basha G, Ratnam MV, Viswanadhapalli Y, Chakraborty R, Babu SR, and Kishore P
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- Communicable Disease Control, Environmental Monitoring methods, Humans, Pandemics, Particulate Matter analysis, Air Pollutants analysis, Air Pollution analysis, COVID-19 epidemiology
- Abstract
The abrupt reduction in the human activities during the first lockdown of the COVID-19 pandemic created unprecedented changes in the background atmospheric conditions. Several studies reported the anthropogenic and air quality changes observed during the lockdown. However, no attempts are made to investigate the lockdown effects on the Atmospheric Boundary Layer (ABL) and background instability processes. In this study, we assess the lockdown impacts on the ABL altitude and instability parameters (Convective Available Potential Energy (CAPE) and Convective Inhibition Energy (CINE)) using WRF model simulations. Results showed a unique footprint of COVID-19 lockdown in all these parameters. Increase in the visibility, surface temperature and wind speed and decrease in relative humidity during the lockdown is noticed. However, these responses are not uniform throughout India and are significant in the inland compared to the coastal regions. The spatial variation of temperature (wind speed) and relative humidity shows an increase and decrease over the Indo Gangetic Plain (IGP) and central parts of India by 20% (100%) and 40%, respectively. Increase (80%) in the ABL altitude is larger over the IGP and central parts of India during lockdown of 2020 compared to similar time period in 2015-2019. This increase is attributed to the stronger insolation due to absence of anthropogenic activity and other background conditions. At the same time, CAPE decreased by 98% in the IGP and central parts of India, where it shows an increase in other parts of India. A prominent strengthening of CINE in the IGP and a weakening elsewhere is also noticed. These changes in CAPE and CINE are mainly attributed to the dearth of saturation in lower troposphere levels, which prevented the development of strong adiabatic ascent during the lockdown. These results provide a comprehensive observation and model-based insight for lockdown induced changes in the meteorological and thermo-dynamical parameters., Competing Interests: Declaration of competing interest The authors declare that they don't have any financial interests or personal relationships., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2022
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13. Distinct transport mechanisms of East Asian dust and the impact on downwind marine and atmospheric environments.
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Kong SS, Pani SK, Griffith SM, Ou-Yang CF, Babu SR, Chuang MT, Ooi MCG, Huang WS, Sheu GR, and Lin NH
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- Atmosphere, Ecosystem, Environmental Monitoring methods, Humans, Air Pollutants analysis, Dust analysis
- Abstract
East Asian dust episodes have a multitude of impacts, including on human health, environment, and climate over near-source and receptor regions. However, the mechanistic understanding of the synoptic conditions of these outbreaks at different altitude layers, and their eventual environmental impacts are less studied. The present study analyzed the synoptic transport patterns of East Asian dust during multiple dust generation episodes that occurred over only a few days apart in northern China, and which eventually delivered high PM
10 concentrations to surface level and high-altitude locations in Taiwan. Whether the dust plume was uplifted ahead of or behind the 700 hPa trough over East Asia determined its trajectory and eventual impact on the environment downwind. The total dust (iron) deposition over the ocean surface preceding arrival to Taiwan was 2.4 mg m-2 (0.95 μg m-2 ) for the episode impacting the surface level and 5.0 mg m-2 (4.6 μg m-2 ) for the episode impacting high-altitude Taiwan. Dust deposition in marine areas east of China was more intense for the higher altitude transport event that was uplifted behind the 700 hPa trough and resulted in twice higher marine Chl-a concentrations. Furthermore, we estimated a dust-induced direct radiative effect over a high mountainous region in Taiwan of -6.2 to -8.2 W m-2 at the surface, -1.9 to -2.9 W m-2 at the top of the atmosphere and +3.9 to +5.3 W m-2 in the atmosphere. This dust-induced atmospheric warming and surface cooling are non-negligible influences on the atmospheric thermal structure and biogeochemical cycle over the western North Pacific. Overall, this study highlights the significant impacts of dust particles on the marine ecosystem and atmospheric radiation budget over the downwind region, thus lays the foundation for linking these impacts to the initial synoptic conditions in the source area., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier B.V. All rights reserved.)- Published
- 2022
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14. Genetic diversity among local mango (Mangifera indica L.) germplasm using morphological, biochemical and chloroplast DNA barcodes analyses.
- Author
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Kumar S, Kaushik RA, Jain D, Saini VP, Babu SR, Choudhary R, and Ercisli S
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- Chloroplasts genetics, DNA, Chloroplast, Fruit genetics, Genetic Variation, Phylogeny, Mangifera genetics
- Abstract
Background: In this study, the genetic diversity of local mango (Mangifera indica L.) germplasm including 14 genotypes were evaluated by using morphological, biochemical markers and DNA barcoding technique. Morphological characterization is the first step towards utilizing these germplasm in crop improvement studies. The advanced chloroplast based DNA barcode method can be utilized to assess the genetic diversity and phylogenetic structure in such populations., Methods: The study was carried out during 2018-2019 years to evaluate local mango germplasm including 14 diverse genotypes based on a number of morphological and biochemical traits and chloroplast DNA barcoding as well. The experiment was laid out in one way ANOVA design with fourteen germplasm indicated with indigenous collection number., Results: Among local mango germplasm, IC 589756 was found to be the most promising with respect to high magnitudes of fruit length, fruit width, fruit weight, pulp weight, soluble solid content (SSC)/Acidity ratio, pH and low acidity followed by IC 589746 exhibiting the highest pulp percentage and SSC accompanied with lowest stone weight and stone percent as compared to the other genotypes. Further, the dendrogram and cluster analyses based on sequencing of chloroplast marker i.e., trnH- psbA and trnCD depicted the relationship among mango genotypes and clearly clustered them into two main clusters at a similarity coefficient 0.035 and 0.150, respectively. The first cluster includes only one genotype and cluster-II contains 13 genotypes., Conclusions: Particularly results revealed that DNA barcoding of local mango germplasm can assist not only in molecular identification but also help in elucidation of their phylogenetic relationship and thus important in maintaining biodiversity inventories., (© 2022. The Author(s), under exclusive licence to Springer Nature B.V.)
- Published
- 2022
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15. Detection of genetic mutations in patients with breast cancer from Saudi Arabia using Ion AmpliSeq™ Cancer Hotspot Panel v.2.0.
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Messaoudi SA, Al Sharhan NA, Alharthi B, Babu SR, Alsaleh AB, Alasiri AM, Assidi M, Buhmeida A, and Almawi WY
- Abstract
Next-Generation Sequencing allows for quick and precise sequencing of multiple genes concurrently. Recently, this technology has been employed for the identification of novel gene mutations responsible for disease manifestation among breast cancer (BC) patients, the most common type of cancer amongst Arabian women, and the major cause of disease-associated death in women worldwide. Genomic DNA was extracted from the peripheral blood of 32 Saudi Arabian BC patients with histologically confirmed invasive BC stages I-III and IV, as well from 32 healthy Saudi Arabian women using a QIAamp
® DNA Mini Kit. The isolated DNA was quantified using a Qubit™ dsDNA BR Assay Kit with a Qubit 2.0 Fluorometer. Ion semiconductor sequencing technology with an Ion S5 System and AmpliSeq™ Cancer Hotspot Panel v2 were utilized to analyze ~2,800 mutations described in the Catalogue of Somatic Mutations in Cancer from 50 oncogenes and tumor suppressor genes. Ion Reporter Software v.5.6 was used to evaluate the genomic alterations in all the samples after alignment to the hg19 human reference genome. The results showed that out of the 50 genes, 26 mutations, including 17 (65%) missense point mutations (single nucleotide variants), and 9 (35%) frameshift (insertion/deletion) mutations, were identified in 11 genes across the cohort in 61 samples (95%). Mutations were predominantly focused on two genes, PIK3CA and TP53, in the BC genomes of the sample set. PIK3CA mutation, c.1173A>G located in exon 9, was identified in 15 patients (46.9%). The TP53 mutations detected were a missense mutation (c.215C>G) in 26 patients (86.70%) and 1 frameshift mutation (c.215_216insG) in 1 patient (3.33%), located within exon 3 and 5, respectively. This study revealed specific mutation profiles for every BC patient, Thus, the results showed that Ion Torrent DNA Sequencing technology may be a possible diagnostic and prognostic method for developing personalized therapy based on the patient's individual BC genome., Competing Interests: The authors declare that they have no competing interests., (Copyright: © Messaoudi et al.)- Published
- 2022
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16. Utility of Circulating Cell-Free DNA in Assessing Microsatellite Instability and Loss of Heterozygosity in Breast Cancer Using Human Identification Approach.
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Al Sharhan NA, Messaoudi SA, Babu SR, Chaudhary AB, Alsharm AA, Alrefaei AF, Kadasah S, Abu-Elmagd M, Assidi M, Buhmeida A, Carracedo Á, and Almawi WY
- Subjects
- DNA, DNA Fingerprinting, Female, Forensic Anthropology, Genetics, Population, Humans, Loss of Heterozygosity, Microsatellite Instability, Breast Neoplasms diagnosis, Breast Neoplasms genetics, Cell-Free Nucleic Acids genetics
- Abstract
The diagnostic and prognostic utility of circulating cell-free DNA (cfDNA) in breast cancer (BC) patients was recently reported. Here, we investigated the use of cfDNA to examine microsatellite instability (MSI) and loss of heterozygosity (LOH) for early BC diagnosis. cfDNA and genomic DNA from 41 female BC patients and 40 healthy controls were quantified using NanoDrop spectrophotometry and real-time PCR. The stability of genomic and cfDNA was assessed using a high-resolution AmpFlSTR MiniFiler human identification kit. Significant increases in cfDNA plasma concentrations were observed in BC patients compared to controls. The genotype distribution of the eight autosomal short tandem repeat (STR) loci D7S820 , D13S317 , D21S11 , D2S1338 , D18S51 , D16S539 , FGA , and CSF1PO were in Hardy-Weinberg equilibrium. Significant differences in the allele frequencies of D7S820 allele-8, D21S11 allele-29, allele-30.2, allele-32.2, and CSF1PO allele-11 were seen between BC patients and controls. LOH and MSI were detected in 36.6% of the cfDNA of patients compared to genomic DNA. This study highlights the utility of plasma-derived cfDNA for earlier, less invasive, and cost-effective cancer diagnosis and molecular stratification. It also highlights the potential value of cfDNA in molecular profiling and biomarkers discovery in precision and forensic medicine.
- Published
- 2022
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17. Reconstruction of Postburn Mild Anterior Neck Contracture With a Free Thin Anterolateral Thigh Flap.
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Malhotra A, Shah UA, Chakraborty SS, Baraiya D, Shetty SP, Babu SR, and Dandekar PB
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- Female, Humans, Adult, Thigh surgery, Neck surgery, Contracture etiology, Torticollis, Free Tissue Flaps, Lymphoma, Follicular
- Abstract
In this article, we describe reconstruction of a McCauley's Grade I postburn anterior neck contracture with extensive scarring in a 34-year-old woman using a free thin anterolateral thigh (ALT) flap. To our knowledge, this is the first case of reconstruction of Grade I neck contracture using a thin ALT flap that has been reported. By selecting the correct patient, adhering to recommended standards of microvascular technique, and implementing appropriate postoperative nursing care, we achieved a near-normal neck contour in this patient in a single-staged procedure., Competing Interests: Conflict of Interest: None declared., (Copyright © 2022 International Society of Plastic and Aesthetic Nurses. All rights reserved.)
- Published
- 2022
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18. Population genetic data for 12 X-STR loci in the Central Saudi region using investigator Argus X-12 amplification kit.
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Messaoudi SA, Babu SR, Alsaleh AB, Albujja M, Al-Snan NR, Chaudhary AR, Kassab AC, and Assidi M
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- Female, Gene Frequency, Genetic Loci genetics, Humans, Male, Microsatellite Repeats genetics, Saudi Arabia, Chromosomes, Human, X genetics, Genetics, Population
- Abstract
Background: X-chromosome short tandem repeat (X-STR) markers are important in forensic identity investigations and kinship analysis., Subject and Methods: In the current study, the distribution of 12 X-STR loci located in four linkage groups was evaluated using Investigator
® Argus X-12 Amplification Kit in 200 unrelated healthy individuals (105 males and 95 females) from the central region of Saudi Arabia in order to develop an allelic frequency database for the markers included in the kit., Results: DXS10146 locus was the most informative with 21 alleles, while DXS8378 locus was the least with five alleles. Forensic parameters showed that all X-STRs loci, either as individual markers or as linkage groups, provide genetic information with high discrimination that is appropriate for forensic purposes with polymorphism information content (PIC), power of exclusion (PE), and paternity index (PI) varying from 0.61211 to 0.917979, 0.38722 to 0.842949, and 0.038416 to 0.16367, respectively. The pairwise genetic distance fixation index (Fst) results showed that the Saudi population is genetically closer to the Egyptian and Emirati populations and distant to the Turkish population., Conclusion: The current study revealed that Investigator® Argus 12 X-STR kit would support the forensic application, kinship testing involving female offspring, and human identification in the Saudi population.- Published
- 2021
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19. The impact of chimerism on DNA-based human identification from skin surface cells of post-allogenic hematopoietic stem cell transplantation (HCST) patients.
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Alsaleh AB, Alokail MS, Kassab AC, Chaudhary AR, Messaoudi SA, Babu SR, Albujja MH, and Aldawsari G
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- Adult, Epithelial Cells chemistry, Female, Genotype, Humans, Male, Microsatellite Repeats, Middle Aged, Prospective Studies, Touch, Young Adult, Chimerism, DNA Fingerprinting, Hematopoietic Stem Cell Transplantation, Skin cytology, Transplant Recipients, Transplantation, Homologous
- Abstract
The use of biological traces recovered from touched or handled items increased with the advance of the forensic analysis system. Thus, DNA profiles obtained from touch DNA became a useful tool in forensic investigation. However, a chimeric person with more than one chromosomal population can be challenging for a forensic analyst. We investigated the genetic profile in blood, buccal swab, and skin swabs from twenty-four recipients aged 21-63 years who underwent a matched sibling allogeneic hematopoietic stem cell transplantation with no sign of skin graft versus host disease. Autosomal short tandem repeats genotyping was performed to evaluate chimerism status at 15 loci along with gender marker Amelogenin. According to our results, donor chimerism was detected in all recipient's blood samples, while in buccal swabs, five recipients showed no presence of donor-derived cells in their genotype. Epithelial cells swabbed from hand fingertips were not devoid of donor-derived cells since all recipients showed high chimerism (39.69%-96.66%) in their genotypes. A significant change in chimerism was seen among various types of biological samples (p<0.05). No correlations were observed between chimerism and recipient age, gender, or time after transplant (p> 0.05). The loci D21S11, D8S1179, and FGA were the most informative, whereas D13S317, Vwa, and TOPX were the least informative STR markers. We concluded that touch DNA from a person who has undergone a successful allogeneic HSCTs should not be considered as reliable evidence for human identifications. Therefore, necessary precautions must be taken to avoid false identification and miscarriage of justice., (Copyright © 2020 Elsevier B.V. All rights reserved.)
- Published
- 2021
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20. Use of Clavien-Dindo classification in evaluating complications following pancreaticoduodenectomy in 1,056 cases: A retrospective analysis from one single institution.
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Wang WG, Babu SR, Wang L, Chen Y, Tian BL, and He HB
- Abstract
The Clavien-Dindo (C-D) classification is a simple and feasible grading system of postoperative complications. The aim of the present study was to apply this system to retrospectively classify all types of post-pancreaticoduodenectomy (PD) complications (PPCs) and to systematically identify associated risk factors. Between January 2009 and December 2014, the C-D classification was applied to retrospectively classify PPCs for 1,056 patients who had undergone PD at the West China Hospital. Univariate and multivariate analyses were performed to link perioperative parameters and mortality with the severity of PPCs, which were subdivided into overall PPCs (Grade I-V), severe PPCs (Grade III-V) and mortality (Grade V). The number of patients with Clavien-Dindo grade I, II, IIIa, IIIb, IVa, IVb and V complications was 185 (17.5%), 128 (12.1%), 50 (4.7%), 25 (2.4%), 35 (3.3%), 19 (1.8%) and 33 (3.1%), respectively. A total of 475 (45.0%) patients experienced overall PPCs; 168 (15.9%) patients experienced severe PPCs; and 33 patients succumbed to mortality following PD. The following risk factors were identified following PD: Preoperative hypoproteinemia was correlated with all three subdivisions; obstructive jaundice was associated with severe PPCs and mortality; and older age was revealed to be an independent risk factor of mortality. A large retrospective study was performed in the present study and PD was correlated with a high occurrence of PPCs. The Clavien-Dindo system represents a broad applicable and feasible approach to evaluating PPCs in patients following PD. The independent risk factors of PPCs that were identified in the present study require further validation using the Clavien-Dindo classification in additional prospective studies.
- Published
- 2018
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21. Incidence of and Risk Factors and Reinterventions for Post-Pancreatoduodenectomy Hemorrhage: Retrospective Analysis.
- Author
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Wang WG, Fu L, Babu SR, Wang L, Liang CP, and Tian BL
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- Adult, Aged, Female, Humans, Incidence, Logistic Models, Male, Middle Aged, Multivariate Analysis, Outcome Assessment, Health Care, Reoperation, Retrospective Studies, Risk Factors, Pancreaticoduodenectomy, Postoperative Hemorrhage epidemiology, Postoperative Hemorrhage etiology, Postoperative Hemorrhage surgery
- Abstract
Aims: To analyze the incidence of and risk factors for post-pancreatoduodenectomy (PD) hemorrhage (PPH) and to evaluate the outcomes of reinterventions for PPH., Methods: All PDs between January 2009 and December 2014 were retrospectively evaluated. PPH was evaluated according to the criteria of the International Study Group of Pancreatic Surgery. Both univariate and multivariate analyses of risk factors for PPH and mortality were performed. Reinterventions were also evaluated., Results: Of the 1,056 PDs during the study period, 78 (7.4%) developed PPH, including 36 with grade B and 42 with grade C. Of these 78 patients, 24 (30.8%) died of PPH-related causes. Multivariate analysis showed that older age, higher total bilirubin concentration, and postoperative pancreatic fistula (POPF) were independent risk factors for PPH. Patients who died of PPH were significantly older and had lower preoperative hemoglobin and albumin concentrations than patients who did not die of PPH. Of the 78 patients with PPH, 58 underwent reintervention, including 27 who underwent angiography, 24 who underwent endoscopy, 24 who underwent re-laparotomy, and 15 who underwent more than one reintervention., Conclusions: Older age, total bilirubin, and POPF are independent risk factors for PPH. Higher mortality are associated with advanced PPH and poor nutritional conditions., (© 2017 S. Karger AG, Basel.)
- Published
- 2018
- Full Text
- View/download PDF
22. Evaluation of Skin Surface as an Alternative Source of Reference DNA Samples: A Pilot Study.
- Author
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Albujja MH, Bin Dukhyil AA, Chaudhary AR, Kassab AC, Refaat AM, Babu SR, Okla MK, and Kumar S
- Subjects
- Adult, Female, Humans, Male, Microsatellite Repeats, Middle Aged, Mouth Mucosa chemistry, Pilot Projects, Young Adult, DNA analysis, DNA Fingerprinting, Skin chemistry, Specimen Handling methods
- Abstract
An acceptable area for collecting DNA reference sample is a part of the forensic DNA analysis development. The aim of this study was to evaluate skin surface cells (SSC) as an alternate source of reference DNA sample. From each volunteer (n = 10), six samples from skin surface areas (forearm and fingertips) and two traditional samples (blood and buccal cells) were collected. Genomic DNA was extracted and quantified then genotyped using standard techniques. The highest DNA concentration of SSC samples was collected using the tape/forearm method of collection (2.1 ng/μL). Cotton swabs moistened with ethanol yielded higher quantities of DNA than swabs moistened with salicylic acid, and it gave the highest percentage of full STR profiles (97%). This study supports the use of SSC as a noninvasive sampling technique and as a extremely useful source of DNA reference samples among certain cultures where the use of buccal swabs can be considered socially unacceptable., (© 2017 American Academy of Forensic Sciences.)
- Published
- 2018
- Full Text
- View/download PDF
23. Prevalence and correlates of hypertension in a semi-rural population of Southern India.
- Author
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Singh M, Kotwal A, Mittal C, Babu SR, Bharti S, and Ram CVS
- Subjects
- Adult, Cross-Sectional Studies, Female, Humans, India epidemiology, Male, Middle Aged, Prevalence, Rural Population statistics & numerical data, Hypertension epidemiology
- Abstract
While elevated blood pressure is a recognized risk factor for cardiovascular disease, the prevalence of hypertension still remains unclear for most populations. A door-to-door survey was conducted using modified WHO STEPS questionnaire in a group of villages under the Thavanampalle Mandal of Chittoor District in the state of Andhra Pradesh of South India. Data were collated and analyzed for 16,636 individuals (62.3% females and 37.7% males) above 15 years of age. Overall, prevalence of hypertension (as per JNC-7 classification) was found to be 27.0% (95% CI, 26.3, 27.7) in the surveyed community with 56.7% of the total hypertensives being diagnosed for the first time during the survey. An additional 39.1% had their blood pressure readings in the prehypertensive range. Among the known Hypertensives on treatment only 46.2% had a blood pressure recording within acceptable limits, with 31.2% in the prehypertensive range and only 15.0% in the normal range. Systolic blood pressure (SBP) of the surveyed population showed a continuous linear increase with age, but diastolic blood pressure (DBP) peaked and started reducing in early fifth decade in males. Male gender, increasing age, higher body mass index (BMI), increased waist-hip ratio, increased body weight, family history of hypertension, death of spouse, and diabetes were found to be positively correlated with hypertension. Risk factors of alcohol intake, use of ground nut/palm oil, and family history of diabetes lost their independent predictive ability for hypertension on multivariate logistic regression analysis. The level of physical activity was also not found to be a significant predictor of hypertension in the study population.
- Published
- 2017
- Full Text
- View/download PDF
24. Spontaneous ovarian hyperstimulation syndrome with primary hypothyroidism: Imaging a rare entity.
- Author
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Ilanchezhian S, Mohan SV, Ramachandran R, and Babu SR
- Abstract
Ovarian hyperstimulation syndrome is a disorder associated with ovulation induction and is rarely seen in pregnant women. Very few cases of spontaneous ovarian hyperstimulation syndrome have been reported in a woman who is neither pregnant nor undergoing ovulation therapy. This case report describes how spontaneous ovarian hyperstimulation syndrome is associated with primary hypothyroidism in a 25-year-old, nonpregnant woman who is not on ovulation induction therapy. Imaging and laboratory findings confirmed the diagnosis of this rare entity, which aided the clinicians in providing prompt management and in preventing further complications.
- Published
- 2015
- Full Text
- View/download PDF
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