07420nas a2202053 4500008004100000022001400041245005000055210004800105260001600153300001200169490000700181520170000188100001501888700002401903700001801927700001801945700001701963700002401980700001802004700002402022700002202046700002202068700002202090700002102112700002202133700002802155700001902183700002002202700001902222700001802241700002002259700003002279700002102309700001802330700002202348700002202370700002602392700001802418700001902436700002202455700002502477700002302502700001602525700002502541700002502566700001902591700001802610700001902628700001702647700002402664700002002688700002102708700002602729700001702755700002502772700002502797700002602822700002402848700002002872700001402892700002202906700002202928700001702950700002102967700002302988700002103011700002403032700001903056700002003075700002003095700002103115700002003136700002003156700001803176700002503194700002203219700001703241700002303258700001703281700002203298700001703320700001903337700002503356700001503381700002203396700002103418700002003439700001903459700001603478700001803494700001903512700001903531700002103550700001903571700002403590700002303614700001803637700002003655700002003675700002003695700001803715700002503733700002603758700001903784700002303803700002503826700001703851700002503868700002203893700002303915700002403938700002403962700002203986700002504008700002404033700002204057700002304079700002404102700002404126700002004150700003204170700002104202700002404223700002004247700002304267700001704290700002804307700002804335700002304363700001904386700002204405700002304427700002204450700001704472700002604489700003204515700002104547700002004568700002804588700001504616700002304631700002404654700002004678700002004698700001604718700002104734700002704755700002804782700002304810700002004833700001904853700001804872700002204890700002104912700002504933700001904958700002104977700001904998700001905017700002405036700002205060700002305082700002305105700002905128700002105157700002205178700002005200700001605220700002905236700001805265700002205283700002505305856003605330 2016 eng d a1558-359700a52 Genetic Loci Influencing Myocardial Mass.0 a52 Genetic Loci Influencing Myocardial Mass c2016 Sep 27 a1435-480 v683 a
BACKGROUND: Myocardial mass is a key determinant of cardiac muscle function and hypertrophy. Myocardial depolarization leading to cardiac muscle contraction is reflected by the amplitude and duration of the QRS complex on the electrocardiogram (ECG). Abnormal QRS amplitude or duration reflect changes in myocardial mass and conduction, and are associated with increased risk of heart failure and death.
OBJECTIVES: This meta-analysis sought to gain insights into the genetic determinants of myocardial mass.
METHODS: We carried out a genome-wide association meta-analysis of 4 QRS traits in up to 73,518 individuals of European ancestry, followed by extensive biological and functional assessment.
RESULTS: We identified 52 genomic loci, of which 32 are novel, that are reliably associated with 1 or more QRS phenotypes at p < 1 × 10(-8). These loci are enriched in regions of open chromatin, histone modifications, and transcription factor binding, suggesting that they represent regions of the genome that are actively transcribed in the human heart. Pathway analyses provided evidence that these loci play a role in cardiac hypertrophy. We further highlighted 67 candidate genes at the identified loci that are preferentially expressed in cardiac tissue and associated with cardiac abnormalities in Drosophila melanogaster and Mus musculus. We validated the regulatory function of a novel variant in the SCN5A/SCN10A locus in vitro and in vivo.
CONCLUSIONS: Taken together, our findings provide new insights into genes and biological pathways controlling myocardial mass and may help identify novel therapeutic targets.
1 aHarst, Pim1 avan Setten, Jessica1 aVerweij, Niek1 aVogler, Georg1 aFranke, Lude1 aMaurano, Matthew, T1 aWang, Xinchen1 aLeach, Irene, Mateo1 aEijgelsheim, Mark1 aSotoodehnia, Nona1 aHayward, Caroline1 aSorice, Rossella1 aMeirelles, Osorio1 aLyytikäinen, Leo-Pekka1 aPolasek, Ozren1 aTanaka, Toshiko1 aArking, Dan, E1 aUlivi, Sheila1 aTrompet, Stella1 aMüller-Nurasyid, Martina1 aSmith, Albert, V1 aDörr, Marcus1 aKerr, Kathleen, F1 aMagnani, Jared, W1 aM, Fabiola, del Greco1 aZhang, Weihua1 aNolte, Ilja, M1 aSilva, Claudia, T1 aPadmanabhan, Sandosh1 aTragante, Vinicius1 aEsko, Tõnu1 aAbecasis, Goncalo, R1 aAdriaens, Michiel, E1 aAndersen, Karl1 aBarnett, Phil1 aBis, Joshua, C1 aBodmer, Rolf1 aBuckley, Brendan, M1 aCampbell, Harry1 aCannon, Megan, V1 aChakravarti, Aravinda1 aChen, Lin, Y1 aDelitala, Alessandro1 aDevereux, Richard, B1 aDoevendans, Pieter, A1 aDominiczak, Anna, F1 aFerrucci, Luigi1 aFord, Ian1 aGieger, Christian1 aHarris, Tamara, B1 aHaugen, Eric1 aHeinig, Matthias1 aHernandez, Dena, G1 aHillege, Hans, L1 aHirschhorn, Joel, N1 aHofman, Albert1 aHubner, Norbert1 aHwang, Shih-Jen1 aIorio, Annamaria1 aKähönen, Mika1 aKellis, Manolis1 aKolcic, Ivana1 aKooner, Ishminder, K1 aKooner, Jaspal, S1 aKors, Jan, A1 aLakatta, Edward, G1 aLage, Kasper1 aLauner, Lenore, J1 aLevy, Daniel1 aLundby, Alicia1 aMacfarlane, Peter, W1 aMay, Dalit1 aMeitinger, Thomas1 aMetspalu, Andres1 aNappo, Stefania1 aNaitza, Silvia1 aNeph, Shane1 aNord, Alex, S1 aNutile, Teresa1 aOkin, Peter, M1 aOlsen, Jesper, V1 aOostra, Ben, A1 aPenninger, Josef, M1 aPennacchio, Len, A1 aPers, Tune, H1 aPerz, Siegfried1 aPeters, Annette1 aPinto, Yigal, M1 aPfeufer, Arne1 aPilia, Maria, Grazia1 aPramstaller, Peter, P1 aPrins, Bram, P1 aRaitakari, Olli, T1 aRaychaudhuri, Soumya1 aRice, Ken, M1 aRossin, Elizabeth, J1 aRotter, Jerome, I1 aSchafer, Sebastian1 aSchlessinger, David1 aSchmidt, Carsten, O1 aSehmi, Jobanpreet1 aSilljé, Herman, H W1 aSinagra, Gianfranco1 aSinner, Moritz, F1 aSlowikowski, Kamil1 aSoliman, Elsayed, Z1 aSpector, Timothy, D1 aSpiering, Wilko1 aStamatoyannopoulos, John, A1 aStolk, Ronald, P1 aStrauch, Konstantin1 aTan, Sian-Tsung1 aTarasov, Kirill, V1 aTrinh, Bosco1 aUitterlinden, André, G1 avan den Boogaard, Malou1 aDuijn, Cornelia, M1 aGilst, Wiek, H1 aViikari, Jorma, S1 aVisscher, Peter, M1 aVitart, Veronique1 aVölker, Uwe1 aWaldenberger, Melanie1 aWeichenberger, Christian, X1 aWestra, Harm-Jan1 aWijmenga, Cisca1 aWolffenbuttel, Bruce, H1 aYang, Jian1 aBezzina, Connie, R1 aMunroe, Patricia, B1 aSnieder, Harold1 aWright, Alan, F1 aRudan, Igor1 aBoyer, Laurie, A1 aAsselbergs, Folkert, W1 avan Veldhuisen, Dirk, J1 aStricker, Bruno, H1 aPsaty, Bruce, M1 aCiullo, Marina1 aSanna, Serena1 aLehtimäki, Terho1 aWilson, James, F1 aBandinelli, Stefania1 aAlonso, Alvaro1 aGasparini, Paolo1 aJukema, Wouter1 aKääb, Stefan1 aGudnason, Vilmundur1 aFelix, Stephan, B1 aHeckbert, Susan, R1 ade Boer, Rudolf, A1 aNewton-Cheh, Christopher1 aHicks, Andrew, A1 aChambers, John, C1 aJamshidi, Yalda1 aVisel, Axel1 aChristoffels, Vincent, M1 aIsaacs, Aaron1 aSamani, Nilesh, J1 ade Bakker, Paul, I W uhttps://chs-nhlbi.org/node/7262