Pathogenic variants damage cell composition and single cell transcription in cardiomyopathies.
- Reichart, D.
- Lindberg, E.L.
- Maatz, H.
- Miranda, A.M.A.
- Viveiros, A.
- Shvetsov, N.
- Gärtner, A.
- Nadelmann, E.R.
- Lee, M.
- Kanemaru, K.
- Ruiz-Orera, J.
- Strohmenger, V.
- DeLaughter, D.M.
- Patone, G.
- Zhang, H.
- Woehler, A.
- Lippert, C.
- Kim, Y.
- Adami, E.
- Gorham, J.M.
- Barnett, S.N.
- Brown, K.
- Buchan, R.J.
- Chowdhury, R.A.
- Constantinou, C.
- Cranley, J.
- Felkin, L.E.
- Fox, H.
- Ghauri, A.
- Gummert, J.
- Kanda, M.
- Li, R.
- Mach, L.
- McDonough, B.
- Samari, S.
- Shahriaran, F.
- Yapp, C.
- Stanasiuk, C.
- Theotokis, P.I.
- Theis, F.J.
- van den Bogaerdt, A.
- Wakimoto, H.
- Ware, J.S.
- Worth, C.L.
- Barton, P.J.R.
- Lee, Y.A.
- Teichmann, S.A.
- Milting, H.
- Noseda, M.
- Oudit, G.Y.
- Heinig, M.
- Seidman, J.G.
- Hubner, N.
- Seidman, C.E.
DOIAbstract
Pathogenic variants in genes that cause dilated cardiomyopathy (DCM) and arrhythmogenic cardiomyopathy (ACM) convey high risks for the development of heart failure through unknown mechanisms. Using single-nucleus RNA sequencing, we characterized the transcriptome of 880,000 nuclei from 18 control and 61 failing, nonischemic human hearts with pathogenic variants in DCM and ACM genes or idiopathic disease. We performed genotype-stratified analyses of the ventricular cell lineages and transcriptional states. The resultant DCM and ACM ventricular cell atlas demonstrated distinct right and left ventricular responses, highlighting genotype-associated pathways, intercellular interactions, and differential gene expression at single-cell resolution....
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