期刊
WORLD JOURNAL OF GASTROENTEROLOGY
卷 20, 期 37, 页码 13246-13257出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v20.i37.13246
关键词
Proteinase; Cathepsin; Plasminogen activator; Matrix metalloproteinase; Colorectal cancer; Adenoma; Invasion; Metastasis; Biomarker; Prognosis
Tumor invasion and metastasis is a highly complicated, multi-step phenomenon. In the complex event of tumor progression, tumor cells interact with basement membrane and extracellular matrix components. Proteolytic enzymes (proteinases) are involved in the degradation of extracellular matrix, but also in cancer invasion and metastasis. The four categories of proteinases (cysteine-, serine-, aspartic-, and metalloproteinases) are named and classified according to the essential catalytic component in their active site. We and others have shown that proteolytic enzymes play a major role not only in colorectal cancer (CRC) invasion and metastasis, but also in malignant transformation of precancerous lesions into cancer. Tissue and serum-plasma antigen concentrations of proteinases might be of great value in identifying patients with poor prognosis in CRC. Our results, in concordance with others indicate the potential tumor marker impact of proteinases for the early diagnosis of CRC. In addition, proteinases may also serve as potential target molecules for therapeutic agents. (C) 2014 Baishideng Publishing Group Inc. All rights reserved.
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