{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T23:25:43Z","timestamp":1774740343585,"version":"3.50.1"},"reference-count":37,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2022,5,23]],"date-time":"2022-05-23T00:00:00Z","timestamp":1653264000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003977","name":"Israel Science Foundation (ISF)","doi-asserted-by":"publisher","award":["2049\/16"],"award-info":[{"award-number":["2049\/16"]}],"id":[{"id":"10.13039\/501100003977","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cells"],"abstract":"<jats:p>Liver fibrosis (LF) is a major cause of morbidity and mortality worldwide. Hepatic stellate cells (HSCs) are the primary source of extracellular matrix in the liver and their activation is a central event in LF development. Extracellular vesicles (EVs) are intercellular communication agents, which play important roles in physiological processes in chronic liver diseases. The aim of this study was to examine the crosstalk between hepatocytes and HSCs mediated by hepatocyte-secreted EVs. EVs were purified from primary mouse hepatocytes, HepG2 cell lines, under normal or stressed conditions. The effect of EVs on primary HSCs (pHSCs) differentiation was evaluated by measuring of differentiation markers. In addition, their impact on the carbon tetrachloride (CCl4)-induced fibrosis mouse model was evaluated. The results demonstrated that HepG2-EVs regulate HSC differentiation and that under stress conditions, promoted pHSCs differentiation into the myofibroblast phenotype. The evaluation of miRNA sequences in the HepG2 secreted EVs demonstrated high levels of miR-423-5p. The examination of EV cargo following stress conditions identified a significant reduction of miR-423-5p in HepG2-EVs relative to HepG2-EVs under normal conditions. In addition, pHSCs transfected with miR-423-5p mimic and exhibit lower mRNA levels of alpha smooth muscle actin and Collagen type 1 alpha, and the mRNA expression level of genes targeted the family with sequence-similarity-3 (FAM3) and Monoacylglycerol lipase (Mgll). This study strengthened the hypothesis that EVs are involved in LF and that their cargo changes in stress conditions. In addition, miR-423-5p was shown to be involved in HSCs differentiation and hence, fibrosis development.<\/jats:p>","DOI":"10.3390\/cells11101715","type":"journal-article","created":{"date-parts":[[2022,5,23]],"date-time":"2022-05-23T22:57:22Z","timestamp":1653346642000},"page":"1715","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Extracellular Vesicular Transmission of miR-423-5p from HepG2 Cells Inhibits the Differentiation of Hepatic Stellate Cells"],"prefix":"10.3390","volume":"11","author":[{"given":"Michal","family":"Safran","sequence":"first","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rula","family":"Masoud","sequence":"additional","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maya","family":"Sultan","sequence":"additional","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irena","family":"Tachlytski","sequence":"additional","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chofit","family":"Chai Gadot","sequence":"additional","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ron","family":"Pery","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nora","family":"Balint-Lahat","sequence":"additional","affiliation":[{"name":"Pathology Department, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Orit","family":"Pappo","sequence":"additional","affiliation":[{"name":"Pathology Department, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nahum","family":"Buzaglo","sequence":"additional","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ziv","family":"Ben-Ari","sequence":"additional","affiliation":[{"name":"Liver Diseases Center, Chaim Sheba Medical Center Tel-Hashomer, Ramat-Gan 5262000, Israel"},{"name":"Pathology Sackler School of Medicine, Tel Aviv University, Tel-Aviv 6329302, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"7260","DOI":"10.3748\/wjg.v20.i23.7260","article-title":"Cellular and molecular mechanisms in the pathogenesis of liver fibrosis: An update","volume":"20","author":"Elpek","year":"2014","journal-title":"World J. 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