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| 1 | Effect of Danshao Huaxian capsule on expression of matrix metalloproteinase-1 and tissue inhibitor of metalloproteinase-1 in fibrotic liver of rats显示文摘AIM: To investigate the effects of Danshao Huaxian (DSHX)capsules, a preparation of traditional Chinese medicine,on the expression of matrix metalloproteinase-1 (MMP-1),and tissue inhibitor of metalloproteinase-1 (TIMP-1) in the fibrous livers of rats.METHODS: Eighty male Wistar rats were randomly divided into normal control group (group A), CCl4-induced hepatic fibrosis group (group B), non-DSHX-treated group (group C), low dose-treated group (group D), and high dose-treated group (group E). Fibrous liver models in rats were induced by subcutaneous injection of CCl4, oral administration of alcohol and high-lipid/low-protein diet for 8 wk. After the models were established, the rats in groups D and E were orally given a low dose (0.5 g/kg) and a high dose (1.0 g/kg) of DSHX daily for 8 wk, respectively.Then, the liver indexes, serum hyaluronic acid (HA) and alanine aminotransferase (ALT) were examined. The degree of hepatic fibrosis was evaluated by optical microscopy.Hydroxyproline (Hyp) in the urine was determined, and the expression of MMP-1 and TIMP-1 was detected by immunohistochemical techniques.RESULTS: In groups D and E, the liver indexes, levels of serum HA and ALT reduced and development of hepaticfibrosis weakened significantly. The urinary Hyp and expression of MMP-1 in the liver tissues elevated, but the expression of TIMP-1 decreased obviously, as compared to groups B and C.CONCLUSION: DSHX enhances the expression of MMP-1but decreases that of TIMP-1 in liver tissues of CCl4-induced hepatic fibrotic rats, which may result in its elevated activity that contributes to fighting against hepatic fibrosis. | Qin Yang Ru-Jia Xie Xiao-Xia Geng Xin-Hua Luo Bing Han Ming-Liang Cheng | 2005 | World Journal of Gastroenterology2005，11，32： | 16 |
| 2 | 血管生长抑素抑制小鼠胚胎植入的最低有效量及其作用机理显示文摘血管生长抑素是一种新的抑制血管生成的因子 ,它能够特异性地抑制血管生成。本文通过宫角注射法对血管生长抑素抑制小鼠胚胎植入的最低有效量进行了探讨 ,并通过明胶酶谱分析和免疫印迹等方法研究了不同剂量血管生长抑素对MMP 2和MMP 9活性及蛋白表达的影响。实验表明 ,宫角注射 4μg血管生长抑素是抑制小鼠胚胎植入的最低有效剂量 ,这一最低有效剂量显著抑制了小鼠子宫MMP 2和MMP 9的活性及蛋白的表达. | 赵田夫 张键 李晶 曹宇静 李素敏 周家喜 段恩奎 | 2003 | 动物学报2003，49，3： | 4 |
| 3 | Matrix metalloproteinases(MMPs)and trophoblast invasion显示文摘MMPs and their natural tissue inhibitors TIMPs are crucial in coordinated breakdown and remodel- ing of the extracellular matrix (ECM) in physiological and pathological situations. Placentation is a key event of pregnancy in which MMPs/TIMPs system plays important roles in regulating the extravillus cytotrophoblast (EVTs) invasion. This paper focuses on expression patterns and regulatory mechanisms of MMPs/TIMPs family members during the process of placentation. Their implications in curing pregnancy-related diseases are also discussed. | LIJing ZHAOTianfu DUANEnkui | 2005 | Chinese Science Bulletin2005，50，12： | 1 |
| 4 | Effect of matrix metalloproteinase-26(MMP-26) during embryo implantation in the mouse显示文摘Matrix metalloproteinase-26 (MMP-26, endo-metase and matrilysin-2), a novel member of the MMPs family, is detected not only in the placenta and uterus, but is widely expressed in malignant tumors from different sources as well as in diverse tumor cell lines. However, the function of MMP-26 in the reproductive system has never been reported. Expression of MMP-26 in mouse embryos and the function of the MMP-26 antibody during mouse embryo implantation was examined for the first time by injecting the uterine horn, immunohistochemistry, in situ hybridization, co-culture of mouse blastocysts and uterine monolayer epithelial cells, Western blot, RT-PCR, Northern blot and zymography. Our results show that there is strong expression of MMP-26 niRNA and protein in the mouse embryo. Furthermore, the MMP-26 antibody dramatically inhibited mouse embryo implantation and significantly inhibited adhesion and outgrowth of mouse blastocysts on in vitro uterine monolayer epithelial cells. At the same time, the MMP-26 | ZHANG Jian LI Sumin TIAN Yongqiang ZHAO Yunge Qing-Xiang Amy Sang DUAN Enkui | 2002 | Chinese Science Bulletin2002，47，22： | 0 |
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