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MINERVA GASTROENTEROLOGICA E DIETOLOGICA

A Journal on Gastroenterology, Nutrition and Dietetics


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Minerva Gastroenterologica e Dietologica 2018 March;64(1):51-61

DOI: 10.23736/S1121-421X.17.02442-4

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English

“Tipping” extracellular matrix remodeling towards regression of liver fibrosis: novel concepts

Fernando MAGDALENO 1, Robert SCHIERWAGEN 1, Frank E. USCHNER 1, Jonel TREBICKA 1, 2, 3, 4

1 Department of Internal Medicine I, University of Bonn, Bonn, Germany; 2 European Foundation for the Study of Chronic Liver Failure - EF Clif, Barcelona, Spain; 3 Institute for Bioengineering of Catalonia, Barcelona, Spain; 4 Department of Medical Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark


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Fibrosis development was initially conceived as an incessant progressive condition. Nowadays, it has become evident that fibrotic tissue undergoes a continuous two-way process: fibrogenesis and fibrinolysis, characterizing the remodeling of extracellular matrix (ECM). However, in established fibrosis, this two-way process is tipped towards fibrogenesis and this leads to a self-perpetuating accumulation of ECM, a distinct metabolic unit, together with other cells and processes promoting fibrosis deposition. Several mechanisms promote fibrosis regression, such as degradation of ECM, infiltration of restorative macrophages, prevention of the epithelial-mesenchymal transition of hepatocytes, restoration of the liver sinusoidal endothelial cells’ differentiation phenotype, and reversion to quiescence, apoptosis and senescence of hepatic stellate cells (HSC). Hence, fibrosis is the result of an unbalanced two-way process of matrix remodeling. At the late stage of the disease, antifibrotic interventions could become necessary to reverse self-perpetuating fibrogenesis and accelerate regression of fibrosis even if cause and cofactors of hepatic injury have been eliminated. This review outlines some of the important mechanisms leading towards regression of liver fibrosis.


KEY WORDS: Hepatic stellate cells - Extracellular matrix, remodeling - Rho-associated kinases - Janus kinases

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Publication History

Issue published online: December 11, 2017
Article first published online: September 11, 2017
Manuscript accepted: September 4, 2017
Manuscript received: August 31, 2017

Cite this article as

Magdaleno F, Schierwagen R, Uschner FE, Trebicka J. “Tipping” extracellular matrix remodeling towards regression of liver fibrosis: novel concepts. Minerva Gastroenterol Dietol 2018;64:51-61. DOI: 10.23736/S1121-421X.17.02442-4

Corresponding author e-mail

jonel.trebicka@efclif.com