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Front Cell Dev Biol. 2021 Mar 18;9:640094. doi: 10.3389/fcell.2021.640094. eCollection 2021.

Mitochondrial Dynamics and VMP1-Related Selective Mitophagy in Experimental Acute Pancreatitis.

Frontiers in cell and developmental biology

Virginia Vanasco, Alejandro Ropolo, Daniel Grasso, Diego S Ojeda, María Noé García, Tamara A Vico, Tamara Orquera, Jorge Quarleri, Silvia Alvarez, María I Vaccaro

Affiliations

  1. Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Bioquímica y Medicina Molecular (IBIMOL), Facultad de Farmacia y Bioquímica, Buenos Aires, Argentina.
  2. Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Buenos Aires, Argentina.

PMID: 33816487 PMCID: PMC8012556 DOI: 10.3389/fcell.2021.640094

Abstract

Mitophagy and zymophagy are selective autophagy pathways early induced in acute pancreatitis that may explain the mild, auto limited, and more frequent clinical presentation of this disease. Adequate mitochondrial bioenergetics is necessary for cellular restoration mechanisms that are triggered during the mild disease. However, mitochondria and zymogen contents are direct targets of damage in acute pancreatitis. Cellular survival depends on the recovering possibility of mitochondrial function and efficient clearance of damaged mitochondria. This work aimed to analyze mitochondrial dynamics and function during selective autophagy in pancreatic acinar cells during mild experimental pancreatitis in rats. Also, using a cell model under the hyperstimulation of the G-coupled receptor for CCK (CCK-R), we aimed to investigate the mechanisms involved in these processes in the context of zymophagy. We found that during acute pancreatitis, mitochondrial O

Copyright © 2021 Vanasco, Ropolo, Grasso, Ojeda, García, Vico, Orquera, Quarleri, Alvarez and Vaccaro.

Keywords: DRP1; Parkin1; VMP1; autophagy; mitochondrial dynamics; mitochondrial function; mitophagy; pancreatitis

Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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