目的研究基质金属蛋白酶-2（MMP-2）及其抑制物组织基质金属蛋白酶抑制剂-2（TIMP-2）在大肠癌进展中的作用及其临床意义。

Purpose To understand the relationship between the expression of MMP-2, TIMP-2 and the clinical significance in human colorectal carcinoma.

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目的：研究基质金属蛋白酶- 2 (MMP - 2)和组织基质金属蛋白酶抑制剂- 2 (TIMP - 2)在人肺癌组织中的表达及其与微血管密度(MVD)的关系。

Objective to study the expressions of metalloproteinase 2 (MMP-2) and tissue inhibitors of metalloproteinase 2 (TIMP-2) in lung cancer, and their relationships with microvessel density (MVD).

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目的探讨基质金属蛋白酶及其抑制因子与组织纤维化的关系。

Objective to discuss the relationship between matrix metalloproteinases and its tissue inhibitors and tissue fibrosis.

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