Home CONTACT Neoplasma 2007 Neoplasma Vol.54, p.37-45, 2007

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Founded: 1954
ISSN 0028-2685
ISSN 1338-4317 (online)

Published in English

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Neoplasma Vol.54, p.37-45, 2007

Title: Expression of heat shock protein 70 (HSP70) in patients with colorectal adenocarcinoma – immunohistochemistry and Western blot analysis
Author: Z. T. MILICEVIC, M. Z. PETKOVIC, N. C. DRNDAREVIC, M. D. PAVLOVIC, V. N. TODOROVIC

Abstract: The role of heat shock protein 70 (HSP70) expression has been investigated in various types of tumors. There are only little and controversial data about its clinical relevance in colorectal carcinoma, one of the most common carcinomas observed in humans. In this study we investigated expression of HSP70 in human colonic carcinoma and possible correlation with clinicopathology. To assess patterns (cytosolic and membrane) of HSP70 expression, the 48 surgically removed colorectal adenocarcinomas and 12 normal colonic and rectal mucosal samples were examined by immunohistochemistry and Western-blot. According to results of immunohistochemistry, expression of cytoplasmic HSP72 was significantly higher in colorectal carcinoma compared with normal and adjacent mucosa (pn, suggesting that these proteins could play an important role not only in tumorigenesis but also in the development of drug resistance. Further research is necessary to clarify the mechanisms responsible for differential HSP70 expression as well as its definitive role in colorectal cancer.

Keywords: HSP70 – Colorectal carcinoma – Western-blot – Immunohistochemistry
Year: 2007, Volume: 54, Issue: Page From: 37, Page To: 45

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