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肿瘤的浸润和转移是恶性肿瘤的主要生物学特征 ,也是恶性肿瘤患者的主要死亡原因。在肿瘤的侵袭转移过程中细胞外基质 (ｅｘｔｒａｃｅｌｌｍａｔｒｉｘ ,ＥＣＭ)起着关键性作用 ,肿瘤细胞必须具备降解基质的能力。基质金属蛋白酶 (ｍａｔｒｉｘｍｅｔａｌｌｏ ｐｒｏｔｅｉｎ
Tumor invasion and metastasis are the major biological characteristics of malignant tumors, and are also the major causes of death in patients with malignant tumors. Extracellular matrix (ECM) plays a key role in tumor invasion and metastasis, and tumor cells must possess the ability to degrade the matrix. Matrix metalloproteinases