CD 57 expression on lymphocytes present in the caecum and caecum tonsils in broilers infected with Eimeria tenella
2009
Ilic, T., University of Belgrade, Belgrade (Serbia). Faculty of Veterinary Medicine | Aleksic-Kovacevic, S., University of Belgrade, Belgrade (Serbia). Faculty of Veterinary Medicine | Knezevic, M., University of Belgrade, Belgrade (Serbia). Faculty of Veterinary Medicine | Dimitrijevic, S., University of Belgrade, Belgrade (Serbia). Faculty of Veterinary Medicine
In order to detect and establish the expression of the CD57 lymphocyte population in the caecum and caecum tonsils in broilers, immunohistochemical studies of tissue samples of broilers experimentally infected with Eimeria tenella at 21 days of age were carried out. Immunohistochemical investigations were performed with the aid of the avidin-biotin technique (LSAB), by using mouse monoclonal anti-CD57 antibodies. The established CD57 lymphocyte population activity in the caecum and caecum tonsils substantiates the existence of NK cytotoxic activity of intraepithelial lymphocytes, as well as the role of these cells in the intestinal mucose defense mechanisms against intracellular microorganisms.
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