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Pubmed ID :28994542
Publication Date : //

[Mechanism of Ezhu-containing serum in inhibiting expression of Shh and Gli1 in hepatic stellate cells].


To explore the mechanism of Ezhu-containing serum in inhibiting the expression of sonic hedgehog(Shh) and glioma-associated oncogene homolog-1(Gli1) in hepatic stellate cells(HSCs) induced by leptin. Twenty sprague-dawley (SD) rats were randomly divided into 2 groups (n=10), and given Ezhu-decoction and physiological saline by gavage for 10 days to prepare drug-containing serums. The HSCs during the exponential growth phase were divided into 7 groups: blank control group, model group, hedgehog pathway inhibitor(cyclopamine) group, Ezhu group, Ezhu and cyclopamine group, hedgehog pathway agonost(pumorphamine) group, Ezhu and purmorphamine group. HSCs were cultured in vitro and induced with 100 μg•L ⁻¹ leptin(except for the blank control group), then treated separately with the corresponding drugs for 24 hours. After the cells were collected, HSCs proliferation was detected using MTT colorimetric assay; the expressions of Shh and Gli1 were determined by PT-PCR, Western blot and immunofluorescence, respectively. The expressions of Shh and Gli1 were significantly increased after the HSCs of rats were induced by leptin (compared with the blank control group, P<0.01). After being interfered with Hh pathway inhibitor (cyclopamine) and Ezhu-containing serum, the expressions of Shh and Gli1 were decreased significantly(compared with the model group, P<0.01). After Ezhu-containing serum was used to interfere the Hh pathway inhibitor group, the mRNA and protein expressions of Shh and Gli1 were decreased significantly(compared with the model group, P<0.01). After Ezhu-containing serum was used to interfere the purmorphamine group, the mRNA and protein expressions of Shh and Gli1 decreased significantly(compared with the purmorphamine group, P<0.01). Ezhu-containing serum plays an important role in inhibiting HSCs activation by taking part in hedgehog signaling pathway, so as to regulate the expression of Shh and Gli1 in leptin-induced HSCs and then inhibit liver fibrosis.

Authors : Feng Li-Li , Cao Wen-Fu ,

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