Organ distribution of carp (Cyprinus carpio) leucocytes during ontogeny

Organ distribution of leucocyte subpopulations was examined in carp (Cyprinus carpio) development by flow cytometric analysis using monoclonal antibodies raised against: carp immunoglobulins, early thymocytes, thrombocytes, and monocytes/macrophages. In thymus, a high percentage of early thymocytes...

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Bibliographic Details
Published in:The Italian journal of zoology 1996-01, Vol.63 (4), p.333-335
Main Authors: Romano, Nicla, Taverne-thiele, Ania J., Abelli, Luigi, Mastrolia, Lucia, Rombout, Jan H. M. W.
Format: Article
Language:English
Subjects:
Carp
Lymphocytes
Macrophages
Ontogeny
Thrombocytes
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Summary:Organ distribution of leucocyte subpopulations was examined in carp (Cyprinus carpio) development by flow cytometric analysis using monoclonal antibodies raised against: carp immunoglobulins, early thymocytes, thrombocytes, and monocytes/macrophages. In thymus, a high percentage of early thymocytes was found. In head kidney, Ig-bearing cells first appeared more numerous than in other organs. In spleen only early thymocytes and thrombocytes are relevant. In gut, early thymocytes are detected in the first week, but they significantly decrease during ontogeny. The percentage of Ig-bearing cells remains low throughout development. In peripheral blood leucocytes of 1-week-old carp, early T cells are the only detectable leucocyte subpopulation. From 7 days onwards, the percentage of monocyte/macrophages increased; thereafter, thrombocytes and B cells became detectable. This study provides new indications on the major sites of lymphopoiesis and thrombopoiesis in carp.
ISSN:1125-0003
1748-5851
DOI:10.1080/11250009609356155