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Biochim Biophys Acta. 2012 Jul;1831(7):972-8. doi: 10.1016/j.bbadis.2012.11.001. Epub 2012 Nov 09.

Autophagy and mesenchymal cell fibrogenesis.

Biochimica et biophysica acta

Moira Hilscher, Virginia Hernandez-Gea, Scott L Friedman

Affiliations

  1. Division of Liver Diseases, Mount Sinai School of Medicine, New York, NY, USA.

PMID: 23142802 PMCID: PMC3608743 DOI: 10.1016/j.bbadis.2012.11.001

Abstract

Autophagy is a catabolic pathway essential for cellular energy homeostasis that involves the self-degradation of intracellular components in lysosomes. This process has been implicated in the pathophysiology of many human disorders, including infection, cancer, and fibrosis. Autophagy is also recognized as a mediator of survival and proliferation, and multiple pathways induce autophagy under conditions of cellular stress, including nutrient and energy depletion. High autophagic activity has been detected in fibrogenic cells from several tissues; however the role of autophagy in fibrogenesis and mesenchymal cells varies greatly in different tissues and settings, with contributions uncovered to energy metabolism and collagen turnover by fibrogenic cells. Because several chemical modulators of autophagy have already been identified, autophagy regulation constitutes a potential target for antifibrotic therapy. This article is part of a Special Issue entitled: Fibrosis: Translation of basic research to human disease.

Copyright © 2012 Elsevier B.V. All rights reserved.

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