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Kallistatin抗炎作用的研究进展 被引量:3
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作者 匡枫 卿国忠 《临床与病理杂志》 2016年第1期76-80,共5页
Kallistatin(KS)是一种激肽释放酶结合蛋白(kallikrein-binding protein),广泛分布于多种组织及体液中。KS不但具有抑制组织型激肽释放酶的作用,还具有抗炎、抗血管生成、抗肿瘤等多种生物学作用。KS生物学功能与其分子结构中不同的结... Kallistatin(KS)是一种激肽释放酶结合蛋白(kallikrein-binding protein),广泛分布于多种组织及体液中。KS不但具有抑制组织型激肽释放酶的作用,还具有抗炎、抗血管生成、抗肿瘤等多种生物学作用。KS生物学功能与其分子结构中不同的结构域有关。而KS抗炎作用被认为主要与肝素结合结构域有关。KS通过其肝素结合结构域,能竞争性抑制肿瘤坏死因子(tumor necrosis factorα,TNF-α)与它的受体的结合,从而起到影响TNF-α-NF-κB信号通路,发挥抗炎作用。K S也能与Kr uppel样因子4(Kr uppel-li ke Factor 4,KLF4)结合,激活内皮型一氧化氮合酶(endothelial nitr ic ox ide synthase,e NOS),抑制TNF-α活化核因子-κB(nuclear factor-κB,NF-κB),发挥抗炎作用。但这与肝素结合结构域的机制不同。不同的机制可能为抗炎治疗提供新的思路,本文将就Kallistatin抗炎作用的相关研究进展进行阐述。 展开更多
关键词 kallistain 抗炎 结构域
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Kallistatin,a new and reliable biomarker for the diagnosis of liver cirrhosis 被引量:8
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作者 Zhiyun Cheng Yinghui Lv +7 位作者 Suqiu Pang Ruyu Bai Mingxi Wang Shuyu Lin Tianwen Xu Duncan Spalding Nagy Habib Ruian Xu 《Acta Pharmaceutica Sinica B》 SCIE CAS CSCD 2015年第3期194-200,共7页
Kallistatin, which protects organs and cells against inflammation, fibrosis and oxidative stress, is mainly synthesized and secreted in liver. However, its relationship to human liver disease remains unclear. The purp... Kallistatin, which protects organs and cells against inflammation, fibrosis and oxidative stress, is mainly synthesized and secreted in liver. However, its relationship to human liver disease remains unclear. The purpose of this study was to explore the relationship between serum kallistatin and clinical evidence of both cirrhosis and hepatocellular carcinoma (HCC), and to determine if serum kallistatin levels could be used as a diagnostic indicator of hepatic health status, especially human liver cirrhosis (LC). Our cohort consisted of 115 patients with clinically proven liver fibrosis (IT), LC, or HCC by liver biopsies, and 31 healthy controls (CON). Serum kallistatin levels were quantified by ELISA. Results of the present study demonstrated that irrespective of the underlying etiology, serum kallistatin levels were significantly lower in the LF/LC group when compared with the CON group. A decrease in serum kallistatin levels appeared to reflect the extent of cirrhosis, with the lowest levels associated with higher grades of cirrhosis. Patients with 111: had a noticeable correlation between serum kallistatin levels and other serum biochemical indicators. 'the area under the curve (AUC) for LC, viral liver cirrhosis (VLC) and alcoholic liver cirrhosis (ALC) was 0.845, 0.757 and 0.931, respectively. in conclusion, our findings demonstrated that kallistatin, a plasma protein produced by the liver, can be a useful and reliable diagnostic indicator of hepatic health status, especially for LC. (C) 2015 Chinese Pharmaceutical Association and Institute of Materia IMedica, Chinese Academy of 'Medical Sciences. Production and hosting by Elsevier B.V. 展开更多
关键词 kallistain Liver cirrhosis BIOMARKER Liver fibrosis Hepatocellular carcinoma
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