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Bone marrow cells ameliorate liver fibrosis and express albumin after transplantation in CCl 4 -induced fibrotic liver.


Saudi J Gastroenterol. 2012 Jul;18(4):263-7


Authors: Ali G, Masoud MS


Abstract

Background/Aim: We investigated the effect of bone marrow-derived stem cell (BMSC) transplantation on carbon tetrachloride (CCl 4 )-induced liver fibrosis. Patients and Methods: BMSCs of green fluorescent protein (GFP) mice were transplanted into 4-week CCl 4 -treated C57BL/6 mice directly to the liver, and the mice were treated for 4 more weeks with CCl 4 (total, 8 weeks). After sacrificing the animals, quantitative data of percentage fibrosis area and the number of cells expressing albumin was obtained. One-way analysis of variance was applied to calculate the significance of the data. Results: GFP expressing cells clearly indicated migrated BMSCs with strong expression of albumin after 28 days post-transplantation shown by anti-albumin antibody. Double fluorescent immunohistochemistry showed reduced expression of ╬▒SMA on GFP-positive cells. Four weeks after BMSC transplantation, mice had significantly reduced liver fibrosis as compared with that of mice treated with CCl 4 assessed by Sirius red staining. Conclusion: Mice with BMSC transplantation with continuous CCl 4 injection had reduced liver fibrosis and a significantly improved expression of albumin compared with mice treated with CCl 4 alone. These findings strengthen the concept of cellular therapy in liver fibrosis.

PMID: 22824770 [PubMed - in process]