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9 results on '"Rockett KA"'

1. Conjunctival fibrosis and the innate barriers to Chlamydia trachomatis intracellular infection: a genome wide association study.

Author

Roberts Ch, Franklin CS, Makalo P, Joof H, Sarr I, Mahdi OS, Sillah A, Bah M, Payne F, Jeffreys AE, Bottomley W, Natividad A, Molina-Gonzalez S, Burr SE, Preston M, Kwiatkowski D, Rockett KA, Clark TG, Burton MJ, Mabey DC, Bailey R, Barroso I, and Holland MJ

Subjects
Adult, Computational Biology methods, Conjunctivitis, Inclusion metabolism, Disease Susceptibility, Female, Fibrosis, Gene Ontology, Gene Regulatory Networks, Genomics methods, Humans, Male, Middle Aged, Models, Biological, Polymorphism, Single Nucleotide, Signal Transduction, Chlamydia trachomatis immunology, Conjunctivitis, Inclusion etiology, Conjunctivitis, Inclusion pathology, Genome-Wide Association Study, Immunity, Innate
Abstract

Chlamydia trachomatis causes both trachoma and sexually transmitted infections. These diseases have similar pathology and potentially similar genetic predisposing factors. We aimed to identify polymorphisms and pathways associated with pathological sequelae of ocular Chlamydia trachomatis infections in The Gambia. We report a discovery phase genome-wide association study (GWAS) of scarring trachoma (1090 cases, 1531 controls) that identified 27 SNPs with strong, but not genome-wide significant, association with disease (5 × 10(-6) > P > 5 × 10(-8)). The most strongly associated SNP (rs111513399, P = 5.38 × 10(-7)) fell within a gene (PREX2) with homology to factors known to facilitate chlamydial entry to the host cell. Pathway analysis of GWAS data was significantly enriched for mitotic cell cycle processes (P = 0.001), the immune response (P = 0.00001) and for multiple cell surface receptor signalling pathways. New analyses of published transcriptome data sets from Gambia, Tanzania and Ethiopia also revealed that the same cell cycle and immune response pathways were enriched at the transcriptional level in various disease states. Although unconfirmed, the data suggest that genetic associations with chlamydial scarring disease may be focussed on processes relating to the immune response, the host cell cycle and cell surface receptor signalling.

Published
2015
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2. A novel locus of resistance to severe malaria in a region of ancient balancing selection.

Author

Band G, Rockett KA, Spencer CC, and Kwiatkowski DP

Subjects
ABO Blood-Group System, Africa epidemiology, Animals, Child, Conserved Sequence genetics, Erythrocyte Membrane metabolism, Erythrocytes metabolism, Erythrocytes parasitology, Evolution, Molecular, Extracellular Matrix Proteins genetics, Female, Glycophorins genetics, Haplotypes genetics, Host-Parasite Interactions genetics, Humans, Malaria, Falciparum epidemiology, Malaria, Falciparum parasitology, Male, Pan troglodytes genetics, Plasmodium falciparum physiology, Polymorphism, Single Nucleotide genetics, Genetic Predisposition to Disease genetics, Genome-Wide Association Study, Malaria, Falciparum genetics, Selection, Genetic genetics
Abstract

The high prevalence of sickle haemoglobin in Africa shows that malaria has been a major force for human evolutionary selection, but surprisingly few other polymorphisms have been proven to confer resistance to malaria in large epidemiological studies. To address this problem, we conducted a multi-centre genome-wide association study (GWAS) of life-threatening Plasmodium falciparum infection (severe malaria) in over 11,000 African children, with replication data in a further 14,000 individuals. Here we report a novel malaria resistance locus close to a cluster of genes encoding glycophorins that are receptors for erythrocyte invasion by P. falciparum. We identify a haplotype at this locus that provides 33% protection against severe malaria (odds ratio = 0.67, 95% confidence interval = 0.60-0.76, P value = 9.5 × 10(-11)) and is linked to polymorphisms that have previously been shown to have features of ancient balancing selection, on the basis of haplotype sharing between humans and chimpanzees. Taken together with previous observations on the malaria-protective role of blood group O, these data reveal that two of the strongest GWAS signals for severe malaria lie in or close to genes encoding the glycosylated surface coat of the erythrocyte cell membrane, both within regions of the genome where it appears that evolution has maintained diversity for millions of years. These findings provide new insights into the host-parasite interactions that are critical in determining the outcome of malaria infection.

Published
2015
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3. Imputation-based meta-analysis of severe malaria in three African populations.

Author

Band G, Le QS, Jostins L, Pirinen M, Kivinen K, Jallow M, Sisay-Joof F, Bojang K, Pinder M, Sirugo G, Conway DJ, Nyirongo V, Kachala D, Molyneux M, Taylor T, Ndila C, Peshu N, Marsh K, Williams TN, Alcock D, Andrews R, Edkins S, Gray E, Hubbart C, Jeffreys A, Rowlands K, Schuldt K, Clark TG, Small KS, Teo YY, Kwiatkowski DP, Rockett KA, Barrett JC, and Spencer CC

Subjects
Africa, Bayes Theorem, Chromosome Mapping, Genetic Heterogeneity, Genetic Predisposition to Disease, Genetic Variation, Genetics, Population, Genome, Human, Haplotypes, Humans, Linkage Disequilibrium, Malaria epidemiology, Malaria pathology, Polymorphism, Single Nucleotide, Black People genetics, Genome-Wide Association Study, Hemoglobin, Sickle genetics, Malaria genetics
Abstract

Combining data from genome-wide association studies (GWAS) conducted at different locations, using genotype imputation and fixed-effects meta-analysis, has been a powerful approach for dissecting complex disease genetics in populations of European ancestry. Here we investigate the feasibility of applying the same approach in Africa, where genetic diversity, both within and between populations, is far more extensive. We analyse genome-wide data from approximately 5,000 individuals with severe malaria and 7,000 population controls from three different locations in Africa. Our results show that the standard approach is well powered to detect known malaria susceptibility loci when sample sizes are large, and that modern methods for association analysis can control the potential confounding effects of population structure. We show that pattern of association around the haemoglobin S allele differs substantially across populations due to differences in haplotype structure. Motivated by these observations we consider new approaches to association analysis that might prove valuable for multicentre GWAS in Africa: we relax the assumptions of SNP-based fixed effect analysis; we apply Bayesian approaches to allow for heterogeneity in the effect of an allele on risk across studies; and we introduce a region-based test to allow for heterogeneity in the location of causal alleles., Competing Interests: The authors have declared that no competing interests exist.

Published
2013
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4. Genome-wide and fine-resolution association analysis of malaria in West Africa.

Author

Jallow M, Teo YY, Small KS, Rockett KA, Deloukas P, Clark TG, Kivinen K, Bojang KA, Conway DJ, Pinder M, Sirugo G, Sisay-Joof F, Usen S, Auburn S, Bumpstead SJ, Campino S, Coffey A, Dunham A, Fry AE, Green A, Gwilliam R, Hunt SE, Inouye M, Jeffreys AE, Mendy A, Palotie A, Potter S, Ragoussis J, Rogers J, Rowlands K, Somaskantharajah E, Whittaker P, Widden C, Donnelly P, Howie B, Marchini J, Morris A, SanJoaquin M, Achidi EA, Agbenyega T, Allen A, Amodu O, Corran P, Djimde A, Dolo A, Doumbo OK, Drakeley C, Dunstan S, Evans J, Farrar J, Fernando D, Hien TT, Horstmann RD, Ibrahim M, Karunaweera N, Kokwaro G, Koram KA, Lemnge M, Makani J, Marsh K, Michon P, Modiano D, Molyneux ME, Mueller I, Parker M, Peshu N, Plowe CV, Puijalon O, Reeder J, Reyburn H, Riley EM, Sakuntabhai A, Singhasivanon P, Sirima S, Tall A, Taylor TE, Thera M, Troye-Blomberg M, Williams TN, Wilson M, and Kwiatkowski DP

Subjects
Chromosome Mapping, Ethnicity genetics, Gambia, Genetic Variation, Humans, Linkage Disequilibrium, Polymorphism, Genetic, Reference Values, Severity of Illness Index, Genome-Wide Association Study, Hemoglobin, Sickle genetics, Malaria genetics, Polymorphism, Single Nucleotide
Abstract

We report a genome-wide association (GWA) study of severe malaria in The Gambia. The initial GWA scan included 2,500 children genotyped on the Affymetrix 500K GeneChip, and a replication study included 3,400 children. We used this to examine the performance of GWA methods in Africa. We found considerable population stratification, and also that signals of association at known malaria resistance loci were greatly attenuated owing to weak linkage disequilibrium (LD). To investigate possible solutions to the problem of low LD, we focused on the HbS locus, sequencing this region of the genome in 62 Gambian individuals and then using these data to conduct multipoint imputation in the GWA samples. This increased the signal of association, from P = 4 × 10(-7) to P = 4 × 10(-14), with the peak of the signal located precisely at the HbS causal variant. Our findings provide proof of principle that fine-resolution multipoint imputation, based on population-specific sequencing data, can substantially boost authentic GWA signals and enable fine mapping of causal variants in African populations.

Published
2009
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5. BIRC6 modifies risk of invasive bacterial infection in Kenyan children

Author

Gilchrist, JJ, Kariuki, SN, Watson, JA, Band, G, Uyoga, S, Ndila, CM, Mturi, N, Mwarumba, S, Mohammed, S, Mosobo, M, Alasoo, K, Rockett, KA, Mentzer, AJ, Kwiatkowski, DP, Hill, AVS, Maitland, K, Scott, JAG, Williams, TN, and Wellcome Trust

Subjects
bacteraemia, General Immunology and Microbiology, General Neuroscience, infectious disease, microbiology, malaria, Bacteremia, General Medicine, Bacterial Infections, 0601 Biochemistry and Cell Biology, Kenya, General Biochemistry, Genetics and Molecular Biology, Inhibitor of Apoptosis Proteins, genomics, GWAS, Humans, genetics, human, Malaria, Falciparum, Child, Genome-Wide Association Study
Abstract

Invasive bacterial disease is a major cause of morbidity and mortality in African children. Despite being caused by diverse pathogens, children with sepsis are clinically indistinguishable from one another. In spite of this, most genetic susceptibility loci for invasive infection that have been discovered to date are pathogen specific and are not therefore suggestive of a shared genetic architecture of bacterial sepsis. Here, we utilise probabilistic diagnostic models to identify children with a high probability of invasive bacterial disease among critically unwell Kenyan children with Plasmodium falciparum parasitaemia. We construct a joint dataset including 1445 bacteraemia cases and 1143 severe malaria cases, and population controls, among critically unwell Kenyan children that have previously been genotyped for human genetic variation. Using these data, we perform a cross-trait genome-wide association study of invasive bacterial infection, weighting cases according to their probability of bacterial disease. In doing so, we identify and validate a novel risk locus for invasive infection secondary to multiple bacterial pathogens, that has no apparent effect on malaria risk. The locus identified modifies splicing of BIRC6 in stimulated monocytes, implicating regulation of apoptosis and autophagy in the pathogenesis of sepsis in Kenyan children.

Published
2022

6. Association scan of 14,500 nonsynonymous SNPs in four diseases identifies autoimmunity variants

Author

Burton, PR, Clayton, DG, Cardon, LR, Craddock, N, Deloukas, P, Duncanson, A, Kwiatkowski, DP, McCarthy, MI, Ouwehand, WH, Samani, NJ, Todd, JA, Donnelly, P, Barrett, JC, Davison, D, Easton, D, Evans, DM, Leung, HT, Marchini, JL, Morris, AP, Spencer, CC, Tobin, MD, Attwood, AP, Boorman, JP, Cant, B, Everson, U, Hussey, JM, Jolley, JD, Knight, AS, Koch, K, Meech, E, Nutland, S, Prowse, CV, Stevens, HE, Taylor, NC, Walters, GR, Walker, NM, Watkins, NA, Winzer, T, Jones, RW, McArdle, WL, Ring, SM, Strachan, DP, Pembrey, M, Breen, G, St Clair, D, Caesar, S, Gordon-Smith, K, Jones, L, Fraser, C, Green, EK, Grozeva, D, Hamshere, ML, Holmans, PA, Jones, IR, Kirov, G, Moskivina, V, Nikolov, I, O'Donovan, MC, Owen, MJ, Collier, DA, Elkin, A, Farmer, A, Williamson, R, McGuffin, P, Young, AH, Ferrier, IN, Ball, SG, Balmforth, AJ, Barrett, JH, Bishop, TD, Iles, MM, Maqbool, A, Yuldasheva, N, Hall, AS, Braund, PS, Dixon, RJ, Mangino, M, Stevens, S, Thompson, JR, Bredin, F, Tremelling, M, Parkes, M, Drummond, H, Lees, CW, Nimmo, ER, Satsangi, J, Fisher, SA, Forbes, A, Lewis, CM, Onnie, CM, Prescott, NJ, Sanderson, J, Matthew, CG, Barbour, J, Mohiuddin, MK, Todhunter, CE, Mansfield, JC, Ahmad, T, Cummings, FR, Jewell, DP, Webster, J, Brown, MJ, Lathrop, MG, Connell, J, Dominiczak, A, Marcano, CA, Burke, B, Dobson, R, Gungadoo, J, Lee, KL, Munroe, PB, Newhouse, SJ, Onipinla, A, Wallace, C, Xue, M, Caulfield, M, Farrall, M, Barton, A, Bruce, IN, Donovan, H, Eyre, S, Gilbert, PD, Hilder, SL, Hinks, AM, John, SL, Potter, C, Silman, AJ, Symmons, DP, Thomson, W, Worthington, J, Dunger, DB, Widmer, B, Frayling, TM, Freathy, RM, Lango, H, Perry, JR, Shields, BM, Weedon, MN, Hattersley, AT, Hitman, GA, Walker, M, Elliott, KS, Groves, CJ, Lindgren, CM, Rayner, NW, Timpson, NJ, Zeggini, E, Newport, M, Sirugo, G, Lyons, E, Vannberg, F, Hill, AV, Bradbury, LA, Farrar, C, Pointon, JJ, Wordsworth, P, Brown, MA, Franklyn, JA, Heward, JM, Simmonds, MJ, Gough, SC, Seal, S, Stratton, MR, Rahman, N, Ban, M, Goris, A, Sawcer, SJ, Compston, A, Conway, D, Jallow, M, Rockett, KA, Bumpstead, SJ, Chaney, A, Downes, K, Ghori, MJ, Gwilliam, R, Hunt, SE, Inouye, M, Keniry, A, King, E, McGinnis, R, Potter, S, Ravindrarajah, R, Whittaker, P, Widden, C, Withers, D, Cardin, NJ, Ferreira, T, Pereira-Gale, J, Hallgrimsdo'ttir, IB, Howie, BN, Su, Z, Teo, YY, Vukcevic, D, Bentley, D, Mitchell, SL, Newby, PR, Brand, OJ, Carr-Smith, J, Pearce, SH, Reveille, JD, Zhou, X, Sims, AM, Dowling, A, Taylor, J, Doan, T, Davis, JC, Savage, L, Ward, MM, Learch, TL, Weisman, MH, and Brown, M

Subjects
Linkage disequilibrium, Multiple Sclerosis, Genotype, Population, Single-nucleotide polymorphism, Genome-wide association study, Autoimmunity, Breast Neoplasms, Biology, medicine.disease_cause, Aminopeptidases, Polymerase Chain Reaction, Polymorphism, Single Nucleotide, Linkage Disequilibrium, Article, Minor Histocompatibility Antigens, Genetics, medicine, Humans, Spondylitis, Ankylosing, Receptors, Immunologic, education, Genetic association, education.field_of_study, Ankylosing spondylitis, Thyroiditis, Autoimmune, Chromosome Mapping, Receptors, Interleukin, medicine.disease, Endoplasmic reticulum aminopeptidase 2, Genetics, Population, Haplotypes, Case-Control Studies, Immunology, North America
Abstract

We have genotyped 14,436 nonsynonymous SNPs (nsSNPs) and 897 major histocompatibility complex (MHC) tag SNPs from 1,000 independent cases of ankylosing spondylitis (AS), autoimmune thyroid disease (AITD), multiple sclerosis (MS) and breast cancer (BC). Comparing these data against a common control dataset derived from 1,500 randomly selected healthy British individuals, we report initial association and independent replication in a North American sample of two new loci related to ankylosing spondylitis, ARTS1 and IL23R, and confirmation of the previously reported association of AITD with TSHR and FCRL3. These findings, enabled in part by increased statistical power resulting from the expansion of the control reference group to include individuals from the other disease groups, highlight notable new possibilities for autoimmune regulation and suggest that IL23R may be a common susceptibility factor for the major 'seronegative' diseases.

Published
2016
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7. Identification of ADAMTS7 as a novel locus for coronary atherosclerosis and association of ABO with myocardial infarction in the presence of coronary atherosclerosis: two genome-wide association studies

Author

Reilly MP, Li M, He J, Ferguson JF, Stylianou IM, Mehta NN, Burnett MS, Devaney JM, Knouff CW, Thompson JR, Horne BD, Stewart AF, Assimes TL, Wild PS, Allayee H, Nitschke PL, Patel RS, Myocardial Infarction Genetics Consortium, Wellcome Trust Case Control Consortium, Martinelli N, Girelli D, Quyyumi AA, Anderson JL, Erdmann J, Hall AS, Schunkert H, Quertermous T, Blankenberg S, Hazen SL, Roberts R, Kathiresan S, Samani NJ, Epstein SE, Rader DJ, Qasim AN, DerOhannessian SL, Qu L, Cappola TP, Chen Z, Matthai W, Hakonarson HH, Wilensky R, Kent KM, Lindsay JM, Pichard AD, Satler L, Waksman R, Knoupf CW, Walker MC, Waterworth DM, Mosser V, Braund PS, Wright B, Balmforth AJ, Ball SG, Chen L, Wells GA, McPherson R, Lackner K, Munzel TF, Schillert A, Schnabel R, Zeller T, Ziegler A, Absher D, Hlatky MA, Iribaren C, Knowles JW, Linsel Nitschke P, König IR, Hengstenberg C, Nahrstaedt J, Peters A, Schreiber S, Wichmann E, Willenborg C, Su S, Bouzyk M, Vaccarino V, Zafari AM, Carlquist JF, Muhlestein JB, Olivieri O, Barnard J, Hartiala J, Tang WH, Burton PR, Clayton DG, Cardon LR, Craddock N, Deloukas P, Duncanson A, Kwiatkowski DP, McCarthy MI, Ouwehand WH, Todd JA, Donnelly P, Barrett JC, Davison D, Easton D, Evans DM, Leung HT, Marchini JL, Morris AP, Spencer CC, Tobin MD, Attwood AP, Boorman JP, Cant B, Everson U, Hussey JM, Jolley JD, Knight AS, Koch K, Meech E, Nutland S, Prowse CV, Stevens HE, Taylor NC, Walters GR, Walker NM, Watkins NA, Winzer T, Jones RW, McArdle WL, Ring SM, Strachan DP, Pembrey M, Breen G, St Clair D, Caesar S, Gordon Smith K, Jones L, Fraser C, Green EK, Grozeva D, Hamshere ML, Holmans PA, Jones IR, Kirov G, Moskvina V, Nikolov I, O'Donovan MC, Owen MJ, Collier DA, Elkin A, Farmer A, Williamson R, McGuffin P, Young AH, Ferrier IN, Barrett JH, Bishop DT, Iles MM, Maqbool A, Yuldasheva N, Dixon RJ, Mangino M, Stevens S, Bredin F, Tremelling M, Parkes M, Drummond H, Lees CW, Nimmo ER, Satsangi J, Fisher SA, Forbes A, Lewis CM, Onnie CM, Prescott NJ, Sanderson J, Mathew CG, Barbour J, Mohiuddin MK, Todhunter CE, Mansfield JC, Ahmad T, Cummings FR, Jewell DP, Webster J, Brown MJ, Lathrop M, Connell J, Dominiczak A, Marcano CA, Burke B, Dobson R, Gungadoo J, Lee KL, Munroe PB, Newhouse SJ, Onipinla A, Wallace C, Xue M, Caulfield M, Farrall M, Barton A, Bruce IN, Donovan H, Eyre S, Gilbert PD, Hider SL, Hinks AM, John SL, Potter C, Silman AJ, Symmons DP, Thomson W, Worthington J, Dunger DB, Widmer B, Frayling TM, Freathy RM, Lango H, Perry JR, Shields BM, Weedon MN, Hattersley AT, Hitman GA, Walker M, Elliott KS, Groves CJ, Lindgren CM, Rayner NW, Timpson NJ, Zeggini E, Newport M, Sirugo G, Lyons E, Vannberg F, Hill AV, Bradbury LA, Farrar C, Pointon JJ, Wordsworth P, Brown MA, Franklyn JA, Heward JM, Simmonds MJ, Gough SC, Seal S, Stratton MR, Rahman N, Ban M, Goris A, Sawcer SJ, Compston A, Conway D, Jallow M, Rockett KA, Bumpstead SJ, Chaney A, Downes K, Ghori MJ, Gwilliam R, Hunt SE, Inouye M, Keniry A, King E, McGinnis R, Potter S, Ravindrarajah R, Whittaker P, Widden C, Withers D, Cardin NJ, Ferreira T, Pereira Gale J, Hallgrimsdóttir IB, Bowie BN, Su Z, Teo YY, Vukcevic D, Bentley D, Meigs JB, Williams G, Nathan DM, MacRae CA, O'Donnell CJ, Ardissino D, Merlini PA, Berzuini C, Bernardinelli L, Peyvandi F, Tubaro M, Celli P, Ferrario M, Fetiveau R, Marziliano N, Galli M, Ribichini F, Rossi M, Bernardi F, Zonzin P, Piazza A, Mannucci PM, Schwartz SM, Siscovick DS, Yee J, Friedlander Y, Elosua R, Marrugat J, Lucas G, Subirana I, Sala J, Ramos R, Salomaa V, Havulinna AS, Peltonen L, Melander O, Berglund G, Voight BF, Hirschhorn JN, Asselta R, Duga S, Spreafico M, Musunuru K, Daly MJ, Purcell S, Surti A, Guiducci C, Gianniny L, Mirel D, Parkin M, Burtt N, Gabriel SB, CASARI , GIORGIO NEVIO, Reilly, Mp, Li, M, He, J, Ferguson, Jf, Stylianou, Im, Mehta, Nn, Burnett, M, Devaney, Jm, Knouff, Cw, Thompson, Jr, Horne, Bd, Stewart, Af, Assimes, Tl, Wild, P, Allayee, H, Nitschke, Pl, Patel, R, Myocardial Infarction Genetics, Consortium, Wellcome Trust Case Control, Consortium, Martinelli, N, Girelli, D, Quyyumi, Aa, Anderson, Jl, Erdmann, J, Hall, A, Schunkert, H, Quertermous, T, Blankenberg, S, Hazen, Sl, Roberts, R, Kathiresan, S, Samani, Nj, Epstein, Se, Rader, Dj, Qasim, An, Derohannessian, Sl, Qu, L, Cappola, Tp, Chen, Z, Matthai, W, Hakonarson, Hh, Wilensky, R, Kent, Km, Lindsay, Jm, Pichard, Ad, Satler, L, Waksman, R, Knoupf, Cw, Walker, Mc, Waterworth, Dm, Mosser, V, Braund, P, Wright, B, Balmforth, Aj, Ball, Sg, Chen, L, Wells, Ga, Mcpherson, R, Lackner, K, Munzel, Tf, Schillert, A, Schnabel, R, Zeller, T, Ziegler, A, Absher, D, Hlatky, Ma, Iribaren, C, Knowles, Jw, Linsel Nitschke, P, König, Ir, Hengstenberg, C, Nahrstaedt, J, Peters, A, Schreiber, S, Wichmann, E, Willenborg, C, Su, S, Bouzyk, M, Vaccarino, V, Zafari, Am, Carlquist, Jf, Muhlestein, Jb, Olivieri, O, Barnard, J, Hartiala, J, Tang, Wh, Burton, Pr, Clayton, Dg, Cardon, Lr, Craddock, N, Deloukas, P, Duncanson, A, Kwiatkowski, Dp, Mccarthy, Mi, Ouwehand, Wh, Todd, Ja, Donnelly, P, Barrett, Jc, Davison, D, Easton, D, Evans, Dm, Leung, Ht, Marchini, Jl, Morris, Ap, Spencer, Cc, Tobin, Md, Attwood, Ap, Boorman, Jp, Cant, B, Everson, U, Hussey, Jm, Jolley, Jd, Knight, A, Koch, K, Meech, E, Nutland, S, Prowse, Cv, Stevens, He, Taylor, Nc, Walters, Gr, Walker, Nm, Watkins, Na, Winzer, T, Jones, Rw, Mcardle, Wl, Ring, Sm, Strachan, Dp, Pembrey, M, Breen, G, St Clair, D, Caesar, S, Gordon Smith, K, Jones, L, Fraser, C, Green, Ek, Grozeva, D, Hamshere, Ml, Holmans, Pa, Jones, Ir, Kirov, G, Moskvina, V, Nikolov, I, O'Donovan, Mc, Owen, Mj, Collier, Da, Elkin, A, Farmer, A, Williamson, R, Mcguffin, P, Young, Ah, Ferrier, In, Barrett, Jh, Bishop, Dt, Iles, Mm, Maqbool, A, Yuldasheva, N, Dixon, Rj, Mangino, M, Stevens, S, Bredin, F, Tremelling, M, Parkes, M, Drummond, H, Lees, Cw, Nimmo, Er, Satsangi, J, Fisher, Sa, Forbes, A, Lewis, Cm, Onnie, Cm, Prescott, Nj, Sanderson, J, Mathew, Cg, Barbour, J, Mohiuddin, Mk, Todhunter, Ce, Mansfield, Jc, Ahmad, T, Cummings, Fr, Jewell, Dp, Webster, J, Brown, Mj, Lathrop, M, Connell, J, Dominiczak, A, Marcano, Ca, Burke, B, Dobson, R, Gungadoo, J, Lee, Kl, Munroe, Pb, Newhouse, Sj, Onipinla, A, Wallace, C, Xue, M, Caulfield, M, Farrall, M, Barton, A, Bruce, In, Donovan, H, Eyre, S, Gilbert, Pd, Hider, Sl, Hinks, Am, John, Sl, Potter, C, Silman, Aj, Symmons, Dp, Thomson, W, Worthington, J, Dunger, Db, Widmer, B, Frayling, Tm, Freathy, Rm, Lango, H, Perry, Jr, Shields, Bm, Weedon, Mn, Hattersley, At, Hitman, Ga, Walker, M, Elliott, K, Groves, Cj, Lindgren, Cm, Rayner, Nw, Timpson, Nj, Zeggini, E, Newport, M, Sirugo, G, Lyons, E, Vannberg, F, Hill, Av, Bradbury, La, Farrar, C, Pointon, Jj, Wordsworth, P, Brown, Ma, Franklyn, Ja, Heward, Jm, Simmonds, Mj, Gough, Sc, Seal, S, Stratton, Mr, Rahman, N, Ban, M, Goris, A, Sawcer, Sj, Compston, A, Conway, D, Jallow, M, Rockett, Ka, Bumpstead, Sj, Chaney, A, Downes, K, Ghori, Mj, Gwilliam, R, Hunt, Se, Inouye, M, Keniry, A, King, E, Mcginnis, R, Potter, S, Ravindrarajah, R, Whittaker, P, Widden, C, Withers, D, Cardin, Nj, Ferreira, T, Pereira Gale, J, Hallgrimsdóttir, Ib, Bowie, Bn, Su, Z, Teo, Yy, Vukcevic, D, Bentley, D, Meigs, Jb, Williams, G, Nathan, Dm, Macrae, Ca, O'Donnell, Cj, Ardissino, D, Merlini, Pa, Berzuini, C, Bernardinelli, L, Peyvandi, F, Tubaro, M, Celli, P, Ferrario, M, Fetiveau, R, Marziliano, N, Casari, GIORGIO NEVIO, Galli, M, Ribichini, F, Rossi, M, Bernardi, F, Zonzin, P, Piazza, A, Mannucci, Pm, Schwartz, Sm, Siscovick, D, Yee, J, Friedlander, Y, Elosua, R, Marrugat, J, Lucas, G, Subirana, I, Sala, J, Ramos, R, Salomaa, V, Havulinna, A, Peltonen, L, Melander, O, Berglund, G, Voight, Bf, Hirschhorn, Jn, Asselta, R, Duga, S, Spreafico, M, Musunuru, K, Daly, Mj, Purcell, S, Surti, A, Guiducci, C, Gianniny, L, Mirel, D, Parkin, M, Burtt, N, and Gabriel, Sb

Subjects
Adult, Male, medicine.medical_specialty, Linkage disequilibrium, ABO, ADAMTS7 Protein, ADAMTS7, Genome-wide association study, Coronary Angiography, Polymorphism, Single Nucleotide, Linkage Disequilibrium, ABO Blood-Group System, Coronary artery disease, Gene Frequency, ABO blood group system, Internal medicine, medicine, Genetic predisposition, Humans, Genetic Predisposition to Disease, cardiovascular diseases, Myocardial infarction, Genetic risk factor, genetic locus, Coronary atherosclerosis, Aged, business.industry, coronary atherosclerosis, General Medicine, Middle Aged, medicine.disease, ADAM Proteins, myocardial infarction, Genetic Loci, Cardiology, Myocardial infarction complications, Female, business, coronary artery disease, Genome-Wide Association Study
Abstract

BACKGROUND: We tested whether genetic factors distinctly contribute to either development of coronary atherosclerosis or, specifically, to myocardial infarction in existing coronary atherosclerosis. METHODS: We did two genome-wide association studies (GWAS) with coronary angiographic phenotyping in participants of European ancestry. To identify loci that predispose to angiographic coronary artery disease (CAD), we compared individuals who had this disorder (n=12,393) with those who did not (controls, n=7383). To identify loci that predispose to myocardial infarction, we compared patients who had angiographic CAD and myocardial infarction (n=5783) with those who had angiographic CAD but no myocardial infarction (n=3644). FINDINGS: In the comparison of patients with angiographic CAD versus controls, we identified a novel locus, ADAMTS7 (p=4·98×10(-13)). In the comparison of patients with angiographic CAD who had myocardial infarction versus those with angiographic CAD but no myocardial infarction, we identified a novel association at the ABO locus (p=7·62×10(-9)). The ABO association was attributable to the glycotransferase-deficient enzyme that encodes the ABO blood group O phenotype previously proposed to protect against myocardial infarction. INTERPRETATION: Our findings indicate that specific genetic predispositions promote the development of coronary atherosclerosis whereas others lead to myocardial infarction in the presence of coronary atherosclerosis. The relation to specific CAD phenotypes might modify how novel loci are applied in personalised risk assessment and used in the development of novel therapies for CAD. FUNDING: The PennCath and MedStar studies were supported by the Cardiovascular Institute of the University of Pennsylvania, by the MedStar Health Research Institute at Washington Hospital Center and by a research grant from GlaxoSmithKline. The funding and support for the other cohorts contributing to the paper are described in the webappendix.

Published
2011

8. A genome wide association study of Plasmodium falciparum susceptibility to 22 antimalarial drugs in Kenya

Author

Wendler, JP, Okombo, J, Amato, R, Miotto, O, Kiara, SM, Mwai, L, Pole, L, O'Brien, J, Manske, M, Alcock, D, Drury, E, Sanders, M, Oyola, SO, Malangone, C, Jyothi, D, Miles, A, Rockett, KA, Macinnis, BL, Marsh, K, Bejon, P, Nzila, A, and Kwiatkowski, DP

Subjects
Evolutionary Processes, Plasmodium falciparum, Drug Resistance, lcsh:Medicine, Protozoology, Polymorphism, Single Nucleotide, Microbiology, Antimalarials, parasitic diseases, Genome-Wide Association Studies, Natural Selection, Genetics, Medicine and Health Sciences, Parasitic Diseases, Humans, Genome Sequencing, Malaria, Falciparum, Child, Molecular Biology Techniques, Sequencing Techniques, lcsh:Science, Molecular Biology, Protozoans, Evolutionary Biology, Population Biology, lcsh:R, Organisms, Malarial Parasites, Biology and Life Sciences, Computational Biology, Genomics, DNA, Protozoan, Genome Analysis, Tropical Diseases, Kenya, Parasitic Protozoans, Malaria, Infectious Diseases, Mutation, lcsh:Q, Population Genetics, Genome-Wide Association Study, Research Article
Abstract

BACKGROUND: Drug resistance remains a chief concern for malaria control. In order to determine the genetic markers of drug resistant parasites, we tested the genome-wide associations (GWA) of sequence-based genotypes from 35 Kenyan P. falciparum parasites with the activities of 22 antimalarial drugs. METHODS AND PRINCIPAL FINDINGS: Parasites isolated from children with acute febrile malaria were adapted to culture, and sensitivity was determined by in vitro growth in the presence of anti-malarial drugs. Parasites were genotyped using whole genome sequencing techniques. Associations between 6250 single nucleotide polymorphisms (SNPs) and resistance to individual anti-malarial agents were determined, with false discovery rate adjustment for multiple hypothesis testing. We identified expected associations in the pfcrt region with chloroquine (CQ) activity, and other novel loci associated with amodiaquine, quinazoline, and quinine activities. Signals for CQ and primaquine (PQ) overlap in and around pfcrt, and interestingly the phenotypes are inversely related for these two drugs. We catalog the variation in dhfr, dhps, mdr1, nhe, and crt, including novel SNPs, and confirm the presence of a dhfr-164L quadruple mutant in coastal Kenya. Mutations implicated in sulfadoxine-pyrimethamine resistance are at or near fixation in this sample set. CONCLUSIONS/SIGNIFICANCE: Sequence-based GWA studies are powerful tools for phenotypic association tests. Using this approach on falciparum parasites from coastal Kenya we identified known and previously unreported genes associated with phenotypic resistance to anti-malarial drugs, and observe in high-resolution haplotype visualizations a possible signature of an inverse selective relationship between CQ and PQ.

Published
2014

9. Genome-wide association study identifies eight loci associated with blood pressure

Author

Peter Holmans, Udo Seedorf, Beverley M. Shields, Peter McGruffin, Arne Pfeufer, Steve Eyre, Nathalie J. Prescott, Michael Boehnke, Valentina Moskovina, Abiodun Onipinla, Leena Peltonen, Nadira Yuldasheva, Peter M. Nilsson, Valeria Romanazzi, Vincent Mooser, Göran Berglund, Alistair S. Hall, Dominic P. Kwiatkowski, Barry Widmer, Benjamin F. Voight, Stefania Bandinelli, Mark M. Iles, Sven Bergmann, Thomas Meitinger, James P. Boorman, Simonetta Guarrera, Nazneen Rahman, Murielle Bochud, Graham A. Hitman, Emma Keniry, Nelson B. Freimer, Richard Dobson, Francis S. Collins, Gerjan Navis, Jennifer L. Pointon, Richard N. Bergman, Ruth J. F. Loos, Roberto Lorbeer, Carolina A. Braga Marcano, Christian Gieger, Florian Ernst, Xin Yuan, Catherine Potter, Hazel E. Drummond, Allan H. Young, George Kirov, John F. Peden, Helen Stevens, David Clayton, Mattijs E. Numans, Katherine Gordon-Smith, Anne Farmer, Alastair Forbes, M. Khalid Mohiuddin, John A. Todd, Christopher G. Mathew, David A. Collier, Mark I. McCarthy, Francesca Bredin, Clive M. Onnie, Dan Davidson, Markus Perola, Pamela Whittaker, Yvonne T. van der Schouw, Rathi Ravindrarajan, I. C.A. Spencer, Teresa Ferreira, Nilesh J. Samani, Serge Hercberg, Gonçalo R. Abecasis, Christopher J. Groves, Nicholas John Craddock, Angela Döring, Edward G. Lakatta, Muminatou Jallow, Wendy L. McArdle, David Bentley, Susana Eyheramendy, Uwe Völker, Christopher Newton-Cheh, Jaspal S. Kooner, Hugh Watkins, Gavin Lucas, H. T. Leung, Marjo Ritta Jarvelin, Johanna Kuusisto, Wiek H. van Gilst, Wendy Thomson, Lou R. Cardon, Harold Snieder, Marju Orho-Melander, Patricia B. Munroe, Toshiko Tanaka, Jeffrey C. Barrett, Azhar Maqbool, Henry Völzke, John M. C. Connell, Elaine R. Nimmo, John R. B. Perry, Michael R. Stratton, Ralph McGinnis, Pekka Jousilahti, Michiel L. Bots, Ian Jones, Elizabeth Meech, Matthew A. Brown, Johannie Gungadoo, Jian'an Luan, Jilur Ghori, Richard J. Dixon, N. Charlotte Onland-Moret, Fulvio Ricceri, Anthony J. Balmforth, Catherine E. Todhunter, Inês Barroso, Sheila Bingham, Timo T. Valle, Fredrik O. Vannberg, Diana Zelenika, Stephen Sawcer, Anneli Pouta, David M. Evans, Cuno S. P. M. Uiterwaal, Pilar Galan, Georg Homuth, Hannah Donovan, David J. Conway, Paul Elliott, Alessandra Allione, Paul E. de Jong, Miles Parkes, Amy Chaney, John C. Chambers, Toby Johnson, Isaac Subirana, Vesela Gateva, Cathryn M. Lewis, Christopher J. O'Donnell, Hana Lango, David Schlessinger, Mark J. Caulfield, Thorsten Reffelmann, Jamie Barbour, Karen L. Mohlke, Sarah E. Hunt, Thilo Winzer, Frances M K Williams, Christopher Mathew, I. Wallace, Anuj Goel, Jaakko Tuomilehto, Louise V. Wain, Gabriel Crawford, Samantha L. Hider, Detelinea Grozeva, Elaine K. Green, Paul D. Gilbert, Peter S. Braund, Jaume Marrugat, Rainer Rettig, Pim van der Harst, Yik Ying Teo, Andrew P. Morris, Guiseppe Matullo, Serena Sanna, Cristen J. Willer, Suzannah Bumpstead, Niall C. Taylor, Jacques S. Beckmann, Pierre Meneton, Elin Org, Luigi Ferrucci, Doug Easton, Sheila Seal, Joanne M. Heward, Anne U. Jackson, Eleftheria Zeggini, Rachel M. Freathy, Maris Laan, Paul Wordsworth, Sarah Nutland, Kerstin Koch, Sian Ceasar, Anders Hamsten, Judith M. Hussey, Tariq Ahmad, Derek P. Jewell, Paul Scheet, Charlie W. Lees, C Farrar, Christopher Prowse, Markku Laakso, David St Clair, Kate Downes, Diederick E. Grobbee, Paul Burton, Simon C. Potter, Ian N. Bruce, Tim D. Spector, Anne Barton, H.-Erich Wichmann, Matthew J. Simmonds, David Hadley, Cecilia M. Lindgren, Gérard Waeber, Nigel W. Rayner, Melanie J. Newport, Manjinder S. Sandhu, Audrey Duncanson, Guangju Zhai, Simon Heath, Susan M. Ring, Alessandra Di Gregorio, Richard Williamson, Nicholas J. Wareham, Zhan Su, Olle Melander, John R. Thompson, Alexander Teumer, Sheila A. Fisher, Lachlan J. M. Coin, Leif Groop, Giovanni Tognoni, Amanda Elkin, Alan J. Silman, Jack Satsangi, Jane Worthington, Martin Farrall, John Webster, Niall Cardin, Neil Walker, Anna F. Dominiczak, Jeremy D. Sanderson, Damjan Vukcevic, Bryan Howie, Silvia Polidoro, Stephen G. Ball, Mark Tremelling, Stephen Newhouse, Stephen M. Schwartz, Lori L. Bonnycastle, Chris Wallace, Kijoung Song, Mario A. Morken, I. Nicol Ferrier, Beverley Barke, Paolo Vineis, Manuela Uda, Deborah P M Symmons, Emily J. Lyons, Mingzhan Xue, Timothy M. Frayling, Stephen C.L. Cough, David Withers, Adrian V. S. Hill, Suzanne Stevens, Jennifer Jolley, Marcus Dörr, Kirk A. Rockett, David B. Dunger, Mark Walker, Jayne A. Franklyn, Lisa Jones, David S. Siscovick, Ann-Christine Syvänen, Laura J. Scott, Morris J. Brown, Barbera Cant, Michael Inouye, Feng Zhang, Carlotta Sacerdote, Katherine S. Elliott, Jonathan Marchini, Peter Donnely, Michael John Owen, An Goris, Marcus Prembey, Andrew T. Hattersley, Gerome Breen, Marian L. Hamshere, Thomas Illig, Samer S. Najjar, Nicole Soranzo, Kay-Tee Khaw, Graham R. Walters, Willem H. Ouwehand, David P. Strachan, Martin D. Tobin, Alastair Compston, John C. Mansfield, David Altshuler, Salvatore Panico, Sekar Kathiresan, Dawn M. Waterworth, Michael N. Weedon, D. Timothy Bishop, Claire Bryan, Alexandra S. Knight, Kate L. Lee, Paul F. O'Reilly, Massimo Mangino, Michael Conlon O'Donovan, Jing Hua Zhao, Konstantinos A. Papadakis, Jennifer H. Barrett, Joanne Pereira-Gale, N J Timpson, Stephan B. Felix, Panos Deloukas, Nicholas A. Watkins, Anna-Liisa Hartikainen, Peter Vollenweider, Richard Jones, Anne Hinks, Fraser Cummings, Noha Lim, Linda A. Bradbury, Rhian G. William, Nita G. Forouhi, Roberto Eluosa, Ingeleif B. Hallgrimsdottir, Giorgio Sirugo, Robert Luben, Veikko Salomaa, Robert Clarke, Sally John, Ursula Everson, Emma King, Ivan Nikolov, Heather M. Stringham, Antony P. Attwood, Angelo Scuteri, Wellcome Trust Case Control Consortium, Burton, PR., Clayton, DG., Cardon, LR., Craddock, N., Deloukas, P., Duncanson, A., Kwiatkowski, DP., McCarthy, MI., Ouwehand, WH., Samani, NJ., Todd, JA., Donnelly, P., Barrett, JC., Davison, D., Easton, D., Evans, D., Leung, HT., Marchini, JL., Morris, AP., Spencer, IC., Tobin, MD., Attwood, AP., Boorman, JP., Cant, B., Everson, U., Hussey, JM., Jolley, JD., Knight, AS., Koch, K., Meech, E., Nutland, S., Prowse, CV., Stevens, HE., Taylor, NC., Walters, GR., Walker, NM., Watkins, NA., Winzer, T., Jones, RW., McArdle, WL., Ring, SM., Strachan, DP., Pembrey, M., Breen, G., St Clair, D., Caesar, S., Gordon-Smith, K., Jones, L., Fraser, C., Green, EK., Grozeva, D., Hamshere, ML., Holmans, PA., Jones, IR., Kirov, G., Moskvina, V., Nikolov, I., O'Donovan, MC., Owen, MJ., Collier, DA., Elkin, A., Farmer, A., Williamson, R., McGuffin, P., Young, AH., Ferrier, IN., Ball, SG., Balmforth, AJ., Barrett, JH., Bishop, DT., Iles, MM., Maqbool, A., Yuldasheva, N., Hall, AS., Braund, PS., Dixon, RJ., Mangino, M., Stevens, S., Thompson, JR., Bredin, F., Tremelling, M., Parkes, M., Drummond, H., Lees, CW., Nimmo, ER., Satsangi, J., Fisher, SA., Forbes, A., Lewis, CM., Onnie, CM., Prescott, NJ., Sanderson, J., Mathew, CG., Barbour, J., Mohiuddin, MK., Todhunter, CE., Mansfield, JC., Ahmad, T., Cummings, FR., Jewell, DP., Webster, J., Brown, MJ., Lathrop, GM., Connell, J., Dominiczak, A., Braga Marcano, CA., Burke, B., Dobson, R., Gungadoo, J., Lee, KL., Munroe, PB., Newhouse, SJ., Onipinla, A., Wallace, I., Xue, M., Caulfield, M., Farrall, M., Barton, A., Bruce, IN., Donovan, H., Eyre, S., Gilbert, PD., Hider, SL., Hinks, AM., John, SL., Potter, C., Silman, AJ., Symmons, DP., Thomson, W., Worthington, J., Dunger, DB., Widmer, B., Frayling, TM., Freathy, RM., Lango, H., Perry, JR., Shields, BM., Weedon, MN., Hattersley, AT., Hitman, GA., Walker, M., Elliott, KS., Groves, CJ., Lindgren, CM., Rayner, NW., Timpson, NJ., Zeggini, E., Newport, M., Sirugo, G., Lyons, E., Vannberg, F., Hill, AV., Bradbury, LA., Farrar, C., Pointon, JJ., Wordsworth, P., Brown, MA., Franklyn, JA., Heward, JM., Simmonds, MJ., Gough, SC., Seal, S., Stratton, MR., Rahman, N., Ban, M., Goris, A., Sawcer, SJ., Compston, A., Conway, D., Jallow, M., Rockett, KA., Bryan, C., Bumpstead, SJ., Chaney, A., Downes, K., Ghori, J., Gwilliam, R., Hunt, SE., Inouye, M., Keniry, A., King, E., McGinnis, R., Potter, S., Ravindrarajah, R., Whittaker, P., Withers, D., Cardin, NJ., Ferreira, T., Pereira-Gale, J., Hallgrimsdóttir, IB., Howie, BN., Su, Z., Teo, YY., Vukcevic, D., Bentley, D., Life Course Epidemiology (LCE), Cardiovascular Centre (CVC), Lifestyle Medicine (LM), Groningen Kidney Center (GKC), Vascular Ageing Programme (VAP), and Medical Research Council (MRC)

Subjects
Hemodynamics, Genome-wide association study, Blood Pressure, 030204 cardiovascular system & hematology, 0302 clinical medicine, Diastole, 11 Medical and Health Sciences, POPULATION, Genetics, Genetics & Heredity, RISK, 0303 health sciences, education.field_of_study, Econometric and Statistical Methods: General, CELL-DIFFERENTIATION, biology, Intracellular Signaling Peptides and Proteins, Chromosome Mapping, Steroid 17-alpha-Hydroxylase, COMMON VARIANTS, 3. Good health, DNA-Binding Proteins, Europe, Cardiovascular Diseases, PUBLIC-HEALTH, BARTTERS-SYNDROME, Blood Pressure/genetics, Cardiovascular Diseases/genetics, Cardiovascular Diseases/physiopathology, Cytochrome P-450 CYP1A2/genetics, DNA-Binding Proteins/genetics, Diastole/genetics, European Continental Ancestry Group/genetics, Fibroblast Growth Factor 5/genetics, Genetic Variation, Genome-Wide Association Study, Humans, India, Methylenetetrahydrofolate Reductase (NADPH2)/genetics, Open Reading Frames/genetics, Phospholipase C delta/genetics, Polymorphism, Single Nucleotide, Proteins/genetics, Steroid 17-alpha-Hydroxylase/genetics, Systole/genetics, Wellcome Trust Case Control Consortium, Life Sciences & Biomedicine, hypertension, Fibroblast Growth Factor 5, Systole, Population, European Continental Ancestry Group, METHYLENETETRAHYDROFOLATE REDUCTASE GENE, Single-nucleotide polymorphism, LOW-RENIN HYPERTENSION, White People, Article, 03 medical and health sciences, Open Reading Frames, Fibroblast growth factor-5, Cytochrome P-450 CYP1A2, Geneeskunde(GENK), education, Methylenetetrahydrofolate Reductase (NADPH2), Adaptor Proteins, Signal Transducing, 030304 developmental biology, Genetic association, genome-wide association, Science & Technology, MUTATIONS, Proteins, 06 Biological Sciences, POLYMORPHISM, Blood pressure, Methylenetetrahydrofolate reductase, biology.protein, biology.gene, Phospholipase C delta, Developmental Biology
Abstract

Elevated blood pressure is a common, heritable cause of cardiovascular disease worldwide. To date, identification of common genetic variants influencing blood pressure has proven challenging. We tested 2.5 million genotyped and imputed SNPs for association with systolic and diastolic blood pressure in 34,433 subjects of European ancestry from the Global BPgen consortium and followed up findings with direct genotyping (N ≤ 71,225 European ancestry, N ≤ 12,889 Indian Asian ancestry) and in silico comparison (CHARGE consortium, N = 29,136). We identified association between systolic or diastolic blood pressure and common variants in eight regions near the CYP17A1 (P = 7 × 10(-24)), CYP1A2 (P = 1 × 10(-23)), FGF5 (P = 1 × 10(-21)), SH2B3 (P = 3 × 10(-18)), MTHFR (P = 2 × 10(-13)), c10orf107 (P = 1 × 10(-9)), ZNF652 (P = 5 × 10(-9)) and PLCD3 (P = 1 × 10(-8)) genes. All variants associated with continuous blood pressure were associated with dichotomous hypertension. These associations between common variants and blood pressure and hypertension offer mechanistic insights into the regulation of blood pressure and may point to novel targets for interventions to prevent cardiovascular disease.

Published
2009
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