Journal
BRITISH JOURNAL OF CANCER
Volume 106, Issue 9, Pages 1495-1498Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/bjc.2012.80
Keywords
matrix metalloproteinase; normal mucosa; carcinoma; SNP; survival; angiogenesis; ELISA
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BACKGROUND: Upregulation of the matrix metalloproteinases MMP-2 and MMP-9 in various cancers has been associated with worse survival of the patients. METHODS: We assessed MMP-2 and MMP-9 levels in normal colorectal mucosa from colorectal cancer patients in relation to the course of the disease. RESULTS: A high protein expression of MMP-2 as well as MMP-9 in normal mucosa was found to be correlated with worse 5-year survival. The combination of both parameters was an even stronger prognostic factor. These protein levels were found not to be related to the corresponding single nucleotide polymorphisms of MMP-2 (-1306C>T) and MMP-9 (-1562C>T). Multivariate analyses indicated that the MMP-2 and MMP-9 levels in normal mucosa are prognostic for survival, independent of TNM classification. CONCLUSION: MMP-2 and MMP-9 levels in normal mucosa are indicative of the course of disease in colorectal cancer patients. British Journal of Cancer (2012) 106, 1495-1498. doi:10.1038/bjc.2012.80 www.bjcancer.com Published online 3 April 2012 (C) 2012 Cancer Research UK
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