期刊
DIGESTIVE DISEASES AND SCIENCES
卷 55, 期 6, 页码 1649-1657出版社
SPRINGER
DOI: 10.1007/s10620-009-0926-x
关键词
H. pylori; MMP-3; MMP-7; MMP-9; Gastric cancer
资金
- National Science Council of Taiwan [95-2314-B-006-029-MY3]
Helicobacter pylori (H. pylori) infection up-regulates the expression of matrix metalloproteinases (MMPs), which may be involved in chronic inflammation, ulceration, and even cancer development. This study aimed to test if serum levels of MMP-3, -7, and -9 are correlated with different clinical outcomes in H. pylori-infected subjects and if these are predictive of progression to H. pylori-related gastric cancer. Two hundred one patients, 28 with H. pylori-negative gastritis and 173 with different H. pylori-positive gastrointestinal diseases (46 gastritis, 43 duodenal ulcers, 29 gastric ulcers, and 55 gastric cancers) were assessed for serum MMP-3, -7, and -9 titers by enzyme-linked immunosorbent assay and validated to their correlations with the different clinical features and survival of patients with H. pylori-positive gastric cancer. Among the H. pylori-infected subjects, gastric cancer patients had higher serum levels of MMP-3 and MMP-7 than those with duodenal ulcer and gastritis (P < 0.05). For gastric cancer patients, concomitant elevated MMP-3 (> 14 ng/ml) and MMP-7 (> 4.5 ng/ml) independently correlated with lymph node invasion (P < 0.05) and could be predictive to have shorter 2- or 5-year survivals (log rank test, P = 0.006). Concomitant elevations of MMP-3 and MMP-7 serum levels in the H. pylori-infected gastric cancer patients could serve as potential biomarkers to correlate with poor survival.
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