Development of granulocytes in haematopoietic tissues of Rhizoprionodon lalandii

Development of granulocytes in haematopoietic tissues of Rhizoprionodon lalandii

Autor Pacheco, F. J. Google Scholar
Pacheco, SOS Google Scholar
Segreto, HRC Google Scholar
Segreto, R. A. Google Scholar
Silva, MRR Google Scholar
Egami, Mizue Imoto Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo Granulocytes of the epigonal and Leydig organs of Rhizoprionodon lalandii were identified and classified into three different cell types, type I and type II eosinophils and neutrophils. the development of these cells in the haematopoietic tissues was dynamic, demonstrated by nuclear immunopositivity for the proliferating cell nuclear antigen (PCNA) proteins and was regulated by various cytokines, including the transforming growth factor beta-1 (TGFbeta(1)). the expression pattern of these cells was heterogeneous among individual cells and TGFbeta(1)-immunostaining was found principally in the cytoplasm of immature granulocytes. the presence of TGFbeta(1) in cells about to divide was demonstrated suggesting that modulation of differentiation and proliferation occurs in the haematopoietic tissues of this species of elasmobranch. (C) 2002 the Fisheries Society of the British Isles. Published by Elsevier B.V. All rights reserved.
Palavra-chave epigonal organ
Leydig organ
immunohistochemistry
ultrastructure
elasmobranch
Idioma Inglês
Data de publicação 2002-10-01
Publicado em Journal of Fish Biology. London: Academic Press Ltd Elsevier B.V., v. 61, n. 4, p. 888-898, 2002.
ISSN 0022-1112 (Sherpa/Romeo, fator de impacto)
Publicador Elsevier B.V.
Extensão 888-898
Fonte http://dx.doi.org/10.1006/jfbi.2002.2104
Direito de acesso Acesso restrito
Tipo Artigo
Web of Science WOS:000179526800003
Endereço permanente http://repositorio.unifesp.br/handle/11600/26989

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