Serum matrix metalloproteinase-9 level associated with stromal reaction in patients with gastric cancer.
2000
Abstract Matrix metalloproteinase 9 (MMP-9) plays an important role in cancer invasion and metastasis. The relationship between serum MMP-9 levels and clinicopathological factors in gastric cancer patients is not clear. Preoperative serum was obtained from 170 patients who had undergone gastrectomy for gastric cancer at the Veterans General Hospital-Taipei. The serum MMP-9 level was measured using a sandwich enzyme-linked immunoassay by monoclonal antibodies. The median serum MMP-9 level was 368.6 ng/mL (range: 43.9-1871.3 ng/mL). Univariate analysis showed that stromal reaction and Lauren's histological classification were two factors related to serum MMP-9 levels (p = 0.014 and p = 0.030 respectively). Multivariate analysis revealed that stromal reaction was the only factor independently (odds ratio: 1.695) associated with MMP-9 levels. Patients with a serum MMP-9 level 368.5 ng/mL (58.5%), but this tendency did not reach statistical significance (p = 0.512). These data suggests that serum MMP-9 levels are associated with stromal reaction in gastric cancer.
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