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An investigation into the mechanism(s) of T-cell immunodeficiency associated with thymic dysplasia in murine graft-versus-host reactions /

The murine F$ sb1$ hybrid model of graft-versus-host (GVH) disease was used to investigate the nature of GVH-induced T cell immunodeficiency. Chronic GVH reactions were induced in BAF$ sb1$ mice by the i.v. injection of 50 $ times$ 10$ sp6$ parental A strain lymphoid cells. At various days (43-139) after GVH induction the thymi and spleens were excised and used for in vitro functional studies. In addition, both lymphoid and non-lymphoid organs were evaluated histologically. Interleukin 1 (IL-1) and 2 (IL-2) were used as probes to assess the functional status of the peanut agglutinin positive (PNA$ sp-$) and peanut agglutinin negative (PNA$ sp+$) subpopulations. The results obtained strongly suggest that GVH-induced T cell immunodeficiency is due in part to a decreased responsiveness to IL-1 and IL-2, and to a marked deficiency in IL-2 production.

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.75444
Date January 1987
CreatorsMendes, Mariza L.
PublisherMcGill University
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
LanguageEnglish
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation
Formatapplication/pdf
CoverageDoctor of Philosophy (Department of Physiology.)
RightsAll items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated.
Relationalephsysno: 000547758, proquestno: AAINL44383, Theses scanned by UMI/ProQuest.

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