PMID: 9652146Jul 4, 1998Paper

An immunohistochemical study of bovine palatine and pharyngeal tonsils at 21, 60 and 300 days of age

Anatomia, histologia, embryologia
M ManesseF Schelcher

Abstract

An immunohistochemical study was performed on three groups of young cattle (21, 60 and 300 days of age). Tonsils (palatine and pharyngeal) and mucosae (nasal and oral) were removed. Eight monoclonal antibodies (specific for CD3, CD2, CD4, CD8, WC1, cell-surface IgM, cell-surface IgG and MHC class II molecules) and an avidin/biotin complex method on frozen sections were used. The immunological cytoarchitecture of bovine tonsils is similar to that of human tonsils. Nevertheless, these lymphoid tissues are not fully developed during the first weeks of life: T and B dependent areas not well-differentiated, few germinal centres, few intra-epithelial WC1+ T lymphocytes. In contrast, at 2 months, tonsils possess all the elements of a mucosa-associated lymphoid tissue (MALT). Tonsillar or mucosal epithelium is infiltrated by a large number of CD8+, WC1+ T lymphocytes and cells which express MHC class II molecules. Between 21 and 60 days, the number of WC1+ T lymphocytes increase markedly in the tonsillar epithelium. These results accredit the hypothesis that the presence of antigens has an effect on the localization of these lymphocytes at these sites.

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Citations

Mar 4, 2000·Veterinary Immunology and Immunopathology·M C RebelattoH HogenEsch
Feb 3, 2006·Expert Review of Vaccines·Hong LiJ Lindsay Oaks
Sep 14, 2010·Veterinary Immunology and Immunopathology·Mohamed Zidan, Reinhard Pabst
Dec 17, 2008·Veterinary Immunology and Immunopathology·Mitchell V PalmerW Ray Waters
Aug 1, 2009·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Mohamed Zidan, Reinhard Pabst
Aug 3, 2011·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Mitchell V PalmerTyler C Thacker
Oct 13, 2006·Comparative Immunology, Microbiology and Infectious Diseases·Masahiro YasudaTakayuki Murakami
Mar 27, 2013·Veterinary Pathology·F Romero-PalomoJ C Gómez-Villamandos
Oct 27, 2018·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Juan SunQin Li
Jan 5, 2002·The Veterinary Record·M VelinovaN Antoine
Apr 14, 2006·Veterinary Research·Elisabeth M Liebler-Tenorio, Reinhard Pabst
Nov 7, 2017·Annual Review of Animal Biosciences·Rahwa OsmanPhilip Griebel
Jun 8, 2019·Anatomia, histologia, embryologia·Ibrahim Alhaji Girgiri, Pawan Kumar

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