Objective to investigate the expressions of matrix metalloproteinase 2 (MMP 2) and tissue inhibitor of metalloproteinase 2 (TIMP 2) in astrocytoma and their relations to the pathological grade.

Objective to investigate the expressions of matrix metalloproteinase-2 (MMP-2) and the tissue inhibitor of metalloproteinases-2 (TIMP-2) in human esophageal squamous cell carcinoma (ESCC).

Objective To study the significance of matrix metalloproteinase-2 (MMP-2) and tissue inhibitor of metalloproteinase-2 (TIMP-2) expressing in craniopharyngiomas.