Objective to study the expression of matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of metalloproteinase-1 (TIMP-1) proteins in the decidua and villi of the early pregnancy.

Objective To explore the expression and significance of matrix metalloproteinase 9(MMP9) and tissue inhibitor of metalloproteinase 1(TIMP1) in rats with infectious brain edema.

Purpose: to investigate tissue inhibitor of metalloprotEinase-1 (TIMP1) gene expression in patients with carcinoma of esophagus.