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Large-scale genome-wide analysis identifies genetic variants associated with cardiac structure and function.


ABSTRACT: BACKGROUND:Understanding the genetic architecture of cardiac structure and function may help to prevent and treat heart disease. This investigation sought to identify common genetic variations associated with inter-individual variability in cardiac structure and function. METHODS:A GWAS meta-analysis of echocardiographic traits was performed, including 46,533 individuals from 30 studies (EchoGen consortium). The analysis included 16 traits of left ventricular (LV) structure, and systolic and diastolic function. RESULTS:The discovery analysis included 21 cohorts for structural and systolic function traits (n = 32,212) and 17 cohorts for diastolic function traits (n = 21,852). Replication was performed in 5 cohorts (n = 14,321) and 6 cohorts (n = 16,308), respectively. Besides 5 previously reported loci, the combined meta-analysis identified 10 additional genome-wide significant SNPs: rs12541595 near MTSS1 and rs10774625 in ATXN2 for LV end-diastolic internal dimension; rs806322 near KCNRG, rs4765663 in CACNA1C, rs6702619 near PALMD, rs7127129 in TMEM16A, rs11207426 near FGGY, rs17608766 in GOSR2, and rs17696696 in CFDP1 for aortic root diameter; and rs12440869 in IQCH for Doppler transmitral A-wave peak velocity. Findings were in part validated in other cohorts and in GWAS of related disease traits. The genetic loci showed associations with putative signaling pathways, and with gene expression in whole blood, monocytes, and myocardial tissue. CONCLUSION:The additional genetic loci identified in this large meta-analysis of cardiac structure and function provide insights into the underlying genetic architecture of cardiac structure and warrant follow-up in future functional studies. FUNDING:For detailed information per study, see Acknowledgments.

SUBMITTER: Wild PS 

PROVIDER: S-EPMC5409098 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature

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Large-scale genome-wide analysis identifies genetic variants associated with cardiac structure and function.

Wild Philipp S PS   Felix Janine F JF   Schillert Arne A   Teumer Alexander A   Chen Ming-Huei MH   Leening Maarten J G MJG   Völker Uwe U   Großmann Vera V   Brody Jennifer A JA   Irvin Marguerite R MR   Shah Sanjiv J SJ   Pramana Setia S   Lieb Wolfgang W   Schmidt Reinhold R   Stanton Alice V AV   Malzahn Dörthe D   Smith Albert Vernon AV   Sundström Johan J   Minelli Cosetta C   Ruggiero Daniela D   Lyytikäinen Leo-Pekka LP   Tiller Daniel D   Smith J Gustav JG   Monnereau Claire C   Di Tullio Marco R MR   Musani Solomon K SK   Morrison Alanna C AC   Pers Tune H TH   Morley Michael M   Kleber Marcus E ME   Aragam Jayashri J   Benjamin Emelia J EJ   Bis Joshua C JC   Bisping Egbert E   Broeckel Ulrich U   Cheng Susan S   Deckers Jaap W JW   Del Greco M Fabiola F   Edelmann Frank F   Fornage Myriam M   Franke Lude L   Friedrich Nele N   Harris Tamara B TB   Hofer Edith E   Hofman Albert A   Huang Jie J   Hughes Alun D AD   Kähönen Mika M   Investigators Knhi K   Kruppa Jochen J   Lackner Karl J KJ   Lannfelt Lars L   Laskowski Rafael R   Launer Lenore J LJ   Leosdottir Margrét M   Lin Honghuang H   Lindgren Cecilia M CM   Loley Christina C   MacRae Calum A CA   Mascalzoni Deborah D   Mayet Jamil J   Medenwald Daniel D   Morris Andrew P AP   Müller Christian C   Müller-Nurasyid Martina M   Nappo Stefania S   Nilsson Peter M PM   Nuding Sebastian S   Nutile Teresa T   Peters Annette A   Pfeufer Arne A   Pietzner Diana D   Pramstaller Peter P PP   Raitakari Olli T OT   Rice Kenneth M KM   Rivadeneira Fernando F   Rotter Jerome I JI   Ruohonen Saku T ST   Sacco Ralph L RL   Samdarshi Tandaw E TE   Schmidt Helena H   Sharp Andrew S P ASP   Shields Denis C DC   Sorice Rossella R   Sotoodehnia Nona N   Stricker Bruno H BH   Surendran Praveen P   Thom Simon S   Töglhofer Anna M AM   Uitterlinden André G AG   Wachter Rolf R   Völzke Henry H   Ziegler Andreas A   Münzel Thomas T   März Winfried W   Cappola Thomas P TP   Hirschhorn Joel N JN   Mitchell Gary F GF   Smith Nicholas L NL   Fox Ervin R ER   Dueker Nicole D ND   Jaddoe Vincent W V VWV   Melander Olle O   Russ Martin M   Lehtimäki Terho T   Ciullo Marina M   Hicks Andrew A AA   Lind Lars L   Gudnason Vilmundur V   Pieske Burkert B   Barron Anthony J AJ   Zweiker Robert R   Schunkert Heribert H   Ingelsson Erik E   Liu Kiang K   Arnett Donna K DK   Psaty Bruce M BM   Blankenberg Stefan S   Larson Martin G MG   Felix Stephan B SB   Franco Oscar H OH   Zeller Tanja T   Vasan Ramachandran S RS   Dörr Marcus M  

The Journal of clinical investigation 20170410 5


<h4>Background</h4>Understanding the genetic architecture of cardiac structure and function may help to prevent and treat heart disease. This investigation sought to identify common genetic variations associated with inter-individual variability in cardiac structure and function.<h4>Methods</h4>A GWAS meta-analysis of echocardiographic traits was performed, including 46,533 individuals from 30 studies (EchoGen consortium). The analysis included 16 traits of left ventricular (LV) structure, and s  ...[more]

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