支气管哮喘患者诱导痰中甲壳质酶蛋白40的表达及其意义

Chinese Journal of Tuberculosis and Respiratory Diseases(2012)

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Abstract
甲壳质( chitin)是自然界含量第二多的多糖类,并能被甲壳酶降解.CHI3L1基因是一种甲壳酶类似基因,其编码的蛋白称为人类软骨糖蛋白39或者甲壳质酶蛋白40( YKL-40).YKL-40缺少酶的特性,却可与甲壳质结合而致使其失活.异常表达的YKL-40与炎症、组织重构以及细胞异常增生等病理状态有关,如类风湿性关节炎、2型糖尿病、炎性肠病、某些恶性肿瘤等[1].
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