Since the 1990s, when it was demonstrated by Hammel and others that liver fibrosis is reversible, researchers and physicians actively search for new antifibrotic therapies. In recent years, knowledge of liver fibrosis pathophysiology has greatly advanced and new cellular and molecular mechanisms were described. The cells that determine extracellular matrix components distribution are myofibroblasts, but their origin is diverse. They can be activated hepatic stellate cells (HSCs), portal fibroblasts (PF), or circulating mesenchymal stem cells of the bone marrow. Among large number of substrates to inhibit activation, to inhibit proliferation of myofibroblasts, and to induce their apoptosis we, chose curcumin and gliotoxin. Primarily, in the current work, we optimized the explantation culture method for isolation of hepatic myofibroblasts and received two different cultures—myofibroblasts of HSC and PF origin. Exposition of 50 μM curcumin and 0.1 μM gliotoxin was the most optimal; we observed suppression of hepatic myofibroblast activation and inhibition of their proliferation. These results extend the current knowledge of the cells within the liver fibrogenic populations and prove inhibitory influence of biologically active substances (curcumin and gliotoxin) on portal myofibroblasts.
BioNanoScience – Springer Journals
Published: Dec 29, 2017
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