Immunohistochemical Expression of Cyclooxygenase-2 in Canine Ovarian Carcinomas
2007
Borzacchiello, G. | Russo, V. | Russo, M.
Ovarian tumours among domestic animals are frequently encountered in bitch. Cyclooxygenase-2 (COX-2) expression has been evaluated in different kind of canine primary epithelial neoplasms. Eleven canine ovarian carcinomas and two normal samples were evaluated immunohistochemically for COX-2 expression. Nine of 11 carcinoma samples (81%) expressed COX-2 enzyme isoform. The immunoreactivity was intracytoplasmically recorded and the intensity ranged from faint to strong. Our results show that COX-2 is expressed in canine ovarian carcinoma, suggesting a potential role of COX-2 in canine ovarian carcinogenesis.
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