期刊
JACC-BASIC TO TRANSLATIONAL SCIENCE
卷 5, 期 9, 页码 871-883出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacbts.2020.06.007
关键词
angiotensin converting enzyme 2; coronavirus disease 2019; integrins; proteases; ventricular remodeling
资金
- National Heart, Lung, and Blood Institute [2R01 HL48013, 1R01 HL71118, K23 HL068875, K08 HL125725]
- American Heart Association [16SFRN31420008]
- American Heart Association COVID-19 Rapid Response grant
Using serial analysis of myocardial gene expression employing endomyocardial biopsy starting material in a dilated cardiomyopathy cohort, we show that mRNA expression of the severe acute respiratory syndrome- coronavirus-2 (SARS-CoV-2) cardiac myocyte receptor ACE2 is up-regulated with remodeling and with reverse remodeling down-regulates into the normal range. The proteases responsible for virus-cell membrane fusion were expressed but not regulated with remodeling. In addition, a new candidate for SARS-CoV-2 cell binding and entry was identified, the integrin encoded by ITGA5. Up-regulation in ACE2 in remodeled left ventricles may explain worse outcomes in patients with coronavirus disease 2019 who have underlying myocardial dis- orders, and counteracting ACE2 up-regulation is a possible therapeutic approach to minimizing cardiac dam- age (C) 2020 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.
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