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Histological and immunohistological investigation of the lymphoid tissue in normal and mycobacteria-affected specimens of the Rufous Hare-wallaby (Lagorchestes hirsutus)

journal contribution
posted on 2017-12-06, 00:00 authored by Lauren Young, R McFarlane, A Slender, E Deane
Abstract: The histology of the spleen, lymph nodes, Gut-associated lymphoid tissue (GALT) and Bronchus-associated lymphoid tissue (BALT) are described for samples collected opportunistically from healthy and mycobacteria-affected specimens of the endangered marsupial Lagorchestes hirsutus, the Rufous Hare-wallaby. The structural elements, organization and distribution of T and B lymphocytes determined by immunohistological techniques using species cross-reactive antibodies in the lymph nodes, spleen and GALT of this species demonstrated lymphoid cell distributions that were consistent with other marsupial and eutherian mammals. The tissues of animals identified as acid-fast positive displayed immunopathology consistent with the responses to intracellular bacteria displayed in some eutherian mammals and included the presence of focal lesions, giant cells in the lung and lymphoid aggregations situated adjacent to blood and airway vessels. This is the first study to describe the lymphoid tissue of this rare macropod species and the first to document the tissue bed response to mycobacteria.

History

Volume

202

Issue

3

Start Page

315

End Page

325

Number of Pages

11

ISSN

0021-8782

Location

United Kingdom

Publisher

Wiley-Blackwell

Language

en-aus

Peer Reviewed

  • Yes

Open Access

  • No

Era Eligible

  • Yes

Journal

Journal of anatomy.