Year : 2021  |  Volume : 6  |  Issue : 2  |  Page : 92-101

Deciphering the role of autophagy in heart failure

1 Center for Cardiovascular Research and Alternative Medicine, University of Wyoming College of Health Sciences, Laramie, WY, USA; Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
2 Public Health Promotion Unit, Finnish Institute for Health and Welfare, Helsinki, Finland; Department of Public Health, University of Helsinki, Helsinki, Finland; Diabetes Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
3 University of Liverpool Institute of Ageing and Chronic Disease, Liverpool Centre for Cardiovascular Science, Liverpool, UK
4 Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, USA

Correspondence Address:
Daniel J Klionsky
Department of Molecular, Cellular and Developmental Biology, Life Sciences Institute, University of Michigan, Ann Arbor
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2470-7511.320324

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Heart failure (HF) refers to a progressive pathological condition when cardiac muscles fail to pump adequate blood supply (cardiac output) to meet the metabolic demand of the body. Among various cellular and molecular mechanisms identified for the onset and progression of HF, autophagy dysregulation is increasingly getting recognized. Autophagy is a natural cellular process that is observed in almost all eukaryotic cells. Autophagy removes damaged/long-lived organelles, protein aggregates, and unwanted cellular compomemts via forming autophagosomes then fusing with lysosomes. Although mild-to-moderate induction of autophagy is deemed cytoprotective and adaptive, excessive or unchecked induction of autophagy can be detrimental and maladaptive. Both adaptive and maladaptive autophagy play a vital role in the pathophysiology of HF. In the current review, we provide an overview of autophagy regulation in HF and possible strategies targeting autophagy for the management of HF.

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