Endostar, a novel human recombinant endostatin, attenuates liver fibrosis in CCl4-induced mice

被引:22
作者
Chen, Jing [1 ]
Liu, Dian-Gang [2 ,3 ]
Yang, Guang [4 ]
Kong, Ling-Jian [1 ]
Du, Ya-Ju [1 ]
Wang, Hang-Yu [1 ]
Li, Feng-Dong [1 ]
Pei, Feng-Hua [1 ]
Song, Ji-Tao [1 ]
Fan, Yu-Jing [1 ]
Liu, Ai-Yun [1 ]
Wang, Xin-Hong [1 ]
Li, Bao-Xin [3 ]
机构
[1] Harbin Med Univ, Affiliated Hosp 2, Dept Gastroenterol, Harbin 150086, Heilongjiang, Peoples R China
[2] Capital Med Univ, Xuan Wu Hosp, Dept Gen Surg, Beijing 100053, Peoples R China
[3] Harbin Med Univ, Dept Pharmacol, Harbin 150086, Heilongjiang, Peoples R China
[4] First Hosp Harbin, Dept Gastroenterol, Harbin 150010, Heilongjiang, Peoples R China
关键词
Carbon tetrachloride; hepatic fibrosis; Endostar; transforming growth factor beta; hepatic stellate cell; HEPATIC STELLATE CELLS; MOLECULAR-MECHANISMS; COLLAGEN; ANGIOGENESIS; SORAFENIB; PATHWAYS; DISEASE;
D O I
10.1177/1535370214532595
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
100103 [病原生物学]; 100218 [急诊医学];
摘要
Decreasing hepatic fibrosis remains one of the major therapeutic challenges in hepatology. The present study aims to evaluate the effect of Endostar on both CCl4-induced liver fibrosis in mice and a hepatic stellate cell (HSC) line. Two main models were studied: (i) a liver fibrosis model was induced in BALB/c mice using CCl4 by intraperitoneal injection for six weeks. Six animal groups were studied: group 1: normal animals; group 2: CCl4-induced liver fibrosis; group 3: CCl4 + Endostar 20 mg/kg/d, six weeks; group 4: CCl4 + Endostar 10 mg/kg/d, six weeks; group 5: CCl4 + Endostar 20 mg/kg/d, four weeks; group 6: CCl4 + Endostar 10 mg/kg/d, four weeks corresponded to different Endostar doses and duration of administration. Liver fibrosis was evaluated by histopathological staining and liver hydroxyproline content. Expressions of collagen type I, a-smooth muscle actin (alpha-SMA), TGF-beta 1 and VEGFR were measured by real-time polymerase chain reaction (PCR). (ii) A liver cell model. HSC-T6 cells were cultured with or without Endostar for 12 h or 24 h. Expressions of collagen type I, alpha-SMA, and TGF-beta 1 were measured by real-time PCR. Collagen I and transforming growth factor beta 1 (TGF-beta 1) contents in cell supernatant were measured by enzyme-linked immunosorbent assay. As compared to the group without Endostar, liver fibrosis scores and hydroxyproline content were decreased in both Endostar groups (P<0.05). Moreover, Endostar inhibited the hepatic expression of alpha-SMA, TGF-beta 1, Collagen-1, VEGFR1, and VEGFR2 mRNA (P<0.05). In the HSC-T6 cell line model, Endostar profoundly inhibited the expression of alpha-SMA, Collagen-1, and TGF-beta 1 mRNA. Expressions of Collagen-1 and TGF-beta 1 protein were decreased in the Endostar group as compared to the normal controls in the supernatant of HSC-T6 cells (P<0.05). Endostar decreased both liver fibrosis in CCl4-induced mice and collagen synthesis in HSCs in vitro. Therefore, this recombinant human endostatin is a promising compound for counteracting liver fibrosis.
引用
收藏
页码:998 / 1006
页数:9
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