... test and test of Mc Nemar to assess MMP-1, MMP-2, MMP-3, MMP-9, MMP-11, MMP-13, TIMP-1 y TIMP-2 expression of neoplastic cells, peritumoral fibroblasts,endothelium cells and epithelium and its ... National Institute of Cancer, Mexico.ResultsExpression of MMPs varied from moderate to intense in the positive cases. The expression of metalloproteases 1, 2,3, 9, 11, 13 and TIMP-1 and TIMP-2 and ... and their distribution in tissue is shown in table 2. The expression in all the cases of MMP-1 thus neoplastic,fibroblasts and endothelial cells, may indicate a linkaction in the degradation of...