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基质金属蛋白酶-9与肺部病理生理 被引量:6

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摘要 基质金属蛋白酶 9(matrixmetalloproteinases 9,MMP 9)基因定位于 2 0q11.2 q13.1,有 13个外显子 ,编码 92ku蛋白 ,属于锌肽酶超家族中的一员 ,是细胞外基质降解的主要介质。基因结构主要包括信号肽区、前肽区、催化区和类血红蛋白结合蛋白区 4个结构域。MMP 9的调节主要在基因表达、酶原激活、MMP 9失活 3个水平进行。它不仅参与肺发育、分化、ECM重建、损伤修复等生理过程 ,而且参与LPS、高氧、免疫复合物诱导的肺损伤、哮喘、急性呼吸窘迫综合征、肺气肿、肺纤维化等病理过程。
出处 《国外医学(呼吸系统分册)》 2003年第4期194-197,共4页 Section of Respiratory System Foreign Medical Sciences
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