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Rainbow trout salmo gairdneri lymphoid organs cellular effects of cortico steroids and anti thymocyte serum






Developmental & Comparative Immunology 6(2): 271-280

Rainbow trout salmo gairdneri lymphoid organs cellular effects of cortico steroids and anti thymocyte serum

Cellular populations were studied in lymphoid organs of rainbow trout. Kidney appeared to be the most important organ by the number of cells harvested. A high percentage of peroxidase positive cells was measured in kidney, spleen and blood. The use of cortisone and rabbit anti-thymocyte serum showed differences in the ratio of sensitive cells from different organs. In fish treated with steroids, cell depletion was verified in each organ but histologic lesions were observed only in thymus. Rabbit anti-thymocyte serum was cytotoxic for the quasi-totality of thymocytes, while it destroyed only a part of kidney, spleen and blood cells. No correlations could be made between steroid-sensitive cells and anti-thymocyte serum-sensitive cells.

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Accession: 006255514



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