Bogna Okulczyk

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PURPOSE Tumor cells, including colorectal cancer (CRC), are able to produce and release matrix metalloproteinase 9 (MMP-9) which is involved in tumor invasion and metastasis. Natural tissue inhibitors of matrix metalloproteinases (TIMPs) regulate activity of MMPs and stimulate tumor growth and malignant transformation. The aim of the present study was to(More)
The incidence of K-RAS gene mutations in tumour and surgical margins was investigated in 63 patients with adenocarcinomas of varied clinical stage and histological grade. Point mutations of codon 12 K-RAS gene were detected, using the PCR-RFPL technique in cancer tissue in 23 patients (36.5%) and in colon margin mucosa in 1 patient (3.7%), out of 27(More)
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