Single-trait and multi-trait genome-wide association analyses identify novel loci for blood pressure in African-ancestry populations

Jingjing Liang; Thu H. Le; Digna R. Velez Edwards; Bamidele O. Tayo; Kyle J. Gaulton; Jennifer A. Smith; Yingchang Lu; Richard A. Jensen; Guanjie Chen; Lisa R. Yanek; Karen Schwander; Salman M. Tajuddin; Tamar Sofer; Wonji Kim; James Kayima; Colin A. McKenzie; Ervin Fox; Michael A. Nalls; J. Hunter Young; Yan V. Sun; Jacqueline M. Lane; Sylvia Cechova; Jie Zhou; Hua Tang; Myriam Fornage; Solomon K. Musani; Heming Wang; Juyoung Lee; Adebowale Adeyemo; Albert W. Dreisbach; Terrence Forrester; Pei-Lun Chu; Anne R. Cappola; Michele K. Evans; Alanna C. Morrison; Lisa W. Martin; Kerri L. Wiggins; Qin Hui; Wei Zhao; Rebecca D. Jackson; Erin B. Ware; Jessica D. Faul; Alex P. Reiner; Michael Bray; Joshua C. Denny; Thomas H. Mosley; Walter R. Palmas; Xiuqing Guo; George J. Papanicolaou; Alan D. Penman; Joseph F. Polak; Kenneth Rice; Ken D. Taylor; Eric Boerwinkle; Erwin P. Bottinger; Kiang Liu; Neil Risch; Steven C. Hunt; Charles Kooperberg; Alan B. Zonderman; Cathy C. Laurie; Diane M. Becker; Jianwen Cai; Ruth J. F. Loos; Bruce M. Psaty; David R. Weir; Sharon L. R. Kardia; Donna K. Arnett; Sungho Won; Todd L. Edwards; Susan Redline; Richard Cooper; D. C. Rao; Jerome I. Rotter; Charles N. Rotimi; Daniel Levy; Aravinda Chakravarti; Xiaofeng Zhu; Nora Franceschini

Single-trait and multi-trait genome-wide association analyses identify novel loci for blood pressure in African-ancestry populations
Liang, Jingjing
Le, Thu H.
Velez Edwards, Digna R.
Tayo, Bamidele O.
Gaulton, Kyle J.
Smith, Jennifer A.
Lu, Yingchang
Jensen, Richard A.
Chen, Guanjie
Yanek, Lisa R.
Schwander, Karen
Tajuddin, Salman M.
Sofer, Tamar
Kim, Wonji
Kayima, James
McKenzie, Colin A.
Fox, Ervin
Nalls, Michael A.
Young, J. Hunter
Sun, Yan V.
Lane, Jacqueline M.
Cechova, Sylvia
Zhou, Jie
Tang, Hua
Fornage, Myriam
Musani, Solomon K.
Wang, Heming
Lee, Juyoung
Adeyemo, Adebowale
Dreisbach, Albert W.
Forrester, Terrence
Chu, Pei-Lun
Cappola, Anne R.
Evans, Michele K.
Morrison, Alanna C.
Martin, Lisa W.
Wiggins, Kerri L.
Hui, Qin
Zhao, Wei
Jackson, Rebecca D.
Ware, Erin B.
Faul, Jessica D.
Reiner, Alex P.
Bray, Michael
Denny, Joshua C.
Mosley, Thomas H.
Palmas, Walter R.
Guo, Xiuqing
Papanicolaou, George J.
Penman, Alan D.
Polak, Joseph F.
Rice, Kenneth
Taylor, Ken D.
Boerwinkle, Eric
Bottinger, Erwin P.
Liu, Kiang
Risch, Neil
Hunt, Steven C.
Kooperberg, Charles
Zonderman, Alan B.
Laurie, Cathy C.
Becker, Diane M.
Cai, Jianwen
Loos, Ruth J. F.
Psaty, Bruce M.
Weir, David R.
Kardia, Sharon L. R.
Arnett, Donna K.
Won, Sungho
Edwards, Todd L.
Redline, Susan
Cooper, Richard
Rao, D. C.
Rotter, Jerome I.
Rotimi, Charles N.
Levy, Daniel
Chakravarti, Aravinda
Zhu, Xiaofeng
Franceschini, Nora
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PLoS Genetics
Hypertension is a leading cause of global disease, mortality, and disability. While individuals of African descent suffer a disproportionate burden of hypertension and its complications, they have been underrepresented in genetic studies. To identify novel susceptibility loci for blood pressure and hypertension in people of African ancestry, we performed both single and multiple-trait genome-wide association analyses. We analyzed 21 genome-wide association studies comprised of 31,968 individuals of African ancestry, and validated our results with additional 54,395 individuals from multi-ethnic studies. These analyses identified nine loci with eleven independent variants which reached genome-wide significance (P < 1.25×10−8) for either systolic and diastolic blood pressure, hypertension, or for combined traits. Single-trait analyses identified two loci (TARID/TCF21 and LLPH/TMBIM4) and multiple-trait analyses identified one novel locus (FRMD3) for blood pressure. At these three loci, as well as at GRP20/CDH17, associated variants had alleles common only in African-ancestry populations. Functional annotation showed enrichment for genes expressed in immune and kidney cells, as well as in heart and vascular cells/tissues. Experiments driven by these findings and using angiotensin-II induced hypertension in mice showed altered kidney mRNA expression of six genes, suggesting their potential role in hypertension. Our study provides new evidence for genes related to hypertension susceptibility, and the need to study African-ancestry populations in order to identify biologic factors contributing to hypertension.
African Americans
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Jingjing Liang, Thu H. Le, Digna R. Velez Edwards, Bamidele O. Tayo, Kyle J. Gaulton, Jennifer A. Smith, Yingchang Lu, Richard A. Jensen, Guanjie Chen, Lisa R. Yanek, Karen Schwander, Salman M. Tajuddin, Tamar Sofer, Wonji Kim, James Kayima, Colin A. McKenzie, Ervin Fox, Michael A. Nalls, J. Hunter Young, Yan V. Sun, Jacqueline M. Lane, Sylvia Cechova, Jie Zhou, Hua Tang, Myriam Fornage, Solomon K. Musani, Heming Wang, Juyoung Lee, Adebowale Adeyemo, Albert W. Dreisbach, Terrence Forrester, Pei-Lun Chu, Anne R. Cappola, Michele K. Evans, Alanna C. Morrison, Lisa W. Martin, Kerri L. Wiggins, Qin Hui, Wei Zhao, Rebecca D. Jackson, Erin B. Ware, Jessica D. Faul, Alex P. Reiner, Michael Bray, Joshua C. Denny, Thomas H. Mosley, Walter R. Palmas, Xiuqing Guo, George J. Papanicolaou, Alan D. Penman, Joseph F. Polak, Kenneth Rice, Ken D. Taylor, Eric Boerwinkle, Erwin P. Bottinger, Kiang Liu, Neil Risch, Steven C. Hunt, Charles Kooperberg, Alan B. Zonderman, Cathy C. Laurie, Diane M. Becker, Jianwen Cai, Ruth J. F. Loos, Bruce M. Psaty, David R. Weir, Sharon L. R. Kardia, Donna K. Arnett, Sungho Won, Todd L. Edwards, Susan Redline, Richard Cooper, D. C. Rao, Jerome I. Rotter, Charles N. Rotimi, Daniel Levy, Aravinda Chakravarti, Xiaofeng Zhu, Nora Franceschini, , Single-trait and multi-trait genome-wide association analyses identify novel loci for blood pressure in African-ancestry populations, Columbia University Academic Commons, .

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