1
|
Reichart D, Lindberg EL, Maatz H, Miranda A, Viveiros A, Shvetsov N, Lee M, Kanemaru K, Milting H, Noseda M, Oudit G, Heinig M, Seidman JG, Huebner N, Seidman CE. Pathogenic variants damage cell compositions and single cell transcription in cardiomyopathies. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Pathogenic variants in genes that cause dilated (DCM) and arrhythmogenic cardiomyopathies (ACM) convey high risks for the development of heart failure (HF) through unknown mechanisms. Using single nucleus RNA sequencing (snRNAseq), we characterized the transcriptome of 880,000 nuclei from 18 control and 61 failing, non-ischemic 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. Together these data illuminate both shared and distinct cellular and molecular architectures of human HF and suggest novel candidate therapeutic targets.
Funding Acknowledgement
Type of funding sources: Other. Main funding source(s): Chan Zuckerberg FoundationLeducq Foundation
Collapse
Affiliation(s)
- D Reichart
- Harvard Medical School , Boston , United States of America
| | - E L Lindberg
- Max Delbruck Center for Molecular Medicine , Berlin , Germany
| | - H Maatz
- Max Delbruck Center for Molecular Medicine , Berlin , Germany
| | - A Miranda
- Imperial College London , London , United Kingdom
| | - A Viveiros
- Mazankowski Alberta Heart Institute , Edmonton , Canada
| | - N Shvetsov
- Max Delbruck Center for Molecular Medicine , Berlin , Germany
| | - M Lee
- Imperial College London , London , United Kingdom
| | - K Kanemaru
- Wellcome Trust Sanger Institute , Hinxton , United Kingdom
| | - H Milting
- Herz- und Diabeteszentrum NRW, Ruhr-Universitaet Bochum , Bad Oeynhausen , Germany
| | - M Noseda
- Imperial College London , London , United Kingdom
| | - G Oudit
- Mazankowski Alberta Heart Institute , Edmonton , Canada
| | - M Heinig
- Helmholtz Center Munich , Neuherberg , Germany
| | - J G Seidman
- Harvard Medical School , Boston , United States of America
| | - N Huebner
- Max Delbruck Center for Molecular Medicine , Berlin , Germany
| | - C E Seidman
- Harvard Medical School , Boston , United States of America
| |
Collapse
|