The expression of caspase-3, caspase-7, caspase-9 and cytokeratin AE1/AE3 in goats with enzootic nasal adenocarcinoma: an immunohistochemical study
Aydogan, A., University of Mehmet Akif Ersoy, Burdur (Turkey). Faculty of Veterinary Medicine | Haligur, M., University of Mehmet Akif Ersoy, Burdur (Turkey). Faculty of Veterinary Medicine | Ozmen, O., University of Mehmet Akif Ersoy, Burdur (Turkey). Faculty of Veterinary Medicine
The aim of this study was to examine the expression of caspase-3, caspase-7, caspase-9 and cytokeratin AE-1/AE-3 using the avidin-biotin complex (ABC) immunoperoxidase technique in 20 goats with enzootic nasal adenocarcinoma (ENA). Clinically, dyspnoea and nasal discharge were observed in all cases. Macroscopically, polypoid and sessile masses were seen in the ethmoidal area. At the histopathological examination, tubular, papillary and mixed patterns of ENA were diagnosed. Immunohistochemically, strong positive reactions were generally seen for caspase-3, while strong to moderate and slight reactions were observed for caspase-7 and caspase-9 in the cytoplasm of the tumour cells. Positive reactions for cytokeratin AE-1/AE-3 were only seen in epithelial cells. In addition, the causative agent of ENA, retrovirus, was detected immunohistochemically in tumour cells.
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