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 IL-1β siRNA adenovirus benefits liver regeneration by improving mesenchymal stem cells survival after acute liver failure. | LitMetric

AI Article Synopsis

Article Abstract

Unlabelled:  

Background: Uncontrolled hapatic inflammatory response is regarded as the primary pathological mechanism of acute liver failure and impairs the regeneration of hepatocytes and stem cell grafts. Interleukin-1 plays a key role for activating immune and inflammatory response. Recently, siRNA has made quite a few progresses in treating inflammatory response.

Aim: To assess the effect of IL-1? siRNA adenovirus on MSC and the therapeutic effect of MSC combined with IL-1? siRNA adenovirus in ALF.

Material And Methods: We implanted MSC or/and IL-1? siRNA adenovirus via the tail vein, using CCl4-induced ALF in a mice model. Mice were sacrificed at different time points. Blood samples and liver tissues were collected. Hepatic injury, liver regeneration, cytokines (CXCL1, IL-1?, IL-10, IL-6, VEGF and HGF), animal survival and vital MSC were assessed after cell transplantation.

Results: MSC combined with IL-1? siRNA reduced the inflammatory levels and prevented liver failure. These animals administrated with MSC and IL-1? siRNA also exhibited improved liver regeneration and increased survival rates. Immunohistochemistry and fluorescence microscopy revealed the number of vital MSC in ALF + MSC + IL-1? siRNA group were significantly more than that in ALF + MSC group.

Conclusion: IL-1? siRNA adenovirus could enhance MSC ability of tissue regeneration through increasing its survival rate. Accordingly, combination of IL-1? siRNA adenovirus and MSC had a synergistic effect on acute liver failure.

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Source
http://dx.doi.org/10.5604/16652681.1193723DOI Listing

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