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Cyclooxygenase-2 and c-erbB-2 Expression in Colorectal Carcinoma Assessed Using Tissue Microarrays

Cyclooxygenase-2 and c-erbB-2 Expression in Colorectal Carcinoma Assessed Using Tissue Microarrays The c-erbB-2 and cyclooxygenase (COX) pathways are involved in the pathogenesis of colorectal carcinoma, but the relationship is not fully understood. This study evaluated the significance of c-erbB-2, COX-2, and Ki-67 protein expression in 185 patients with colorectal carcinoma using tissue microarrays. Only one case expressed c-erbB-2 protein. COX-2 expression was noted in 166 of 176 cases (94.3%), and the Ki-67 expression rate averaged 5.9%. There was no relationship among c-erbB-2, COX-2, and Ki-67 protein expression, and COX-2 protein expression was not related to tumor stage, differentiation, size, depth of invasion, lymphatic or vascular invasion, or patient survival. While the contribution of c-erbB-2 to colorectal carcinogenesis may be of little quantity, COX-2 may be deeply involved in colorectal carcinogenesis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Immunohistochemistry & Molecular Morphology Wolters Kluwer Health

Cyclooxygenase-2 and c-erbB-2 Expression in Colorectal Carcinoma Assessed Using Tissue Microarrays

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ISSN
1541-2016

Abstract

The c-erbB-2 and cyclooxygenase (COX) pathways are involved in the pathogenesis of colorectal carcinoma, but the relationship is not fully understood. This study evaluated the significance of c-erbB-2, COX-2, and Ki-67 protein expression in 185 patients with colorectal carcinoma using tissue microarrays. Only one case expressed c-erbB-2 protein. COX-2 expression was noted in 166 of 176 cases (94.3%), and the Ki-67 expression rate averaged 5.9%. There was no relationship among c-erbB-2, COX-2, and Ki-67 protein expression, and COX-2 protein expression was not related to tumor stage, differentiation, size, depth of invasion, lymphatic or vascular invasion, or patient survival. While the contribution of c-erbB-2 to colorectal carcinogenesis may be of little quantity, COX-2 may be deeply involved in colorectal carcinogenesis.

Journal

Applied Immunohistochemistry & Molecular Morphology – Wolters Kluwer Health

Published: Mar 1, 2004

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