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Lymphokine Production by Human T Cells in Disease States

Lymphokine Production by Human T Cells in Disease States A large body of evidence suggests the existence of polarized human T cell responses, reminiscent of Th1 and Th2 subsets described for mouse T cells. Human Th1-like cells preferentially develop during infections by intracellular bacteria, protozoa, and viruses, whereas Th2-like cells predominate during helminthic infestations and in response to common environmental allergens. The cytokine profile of “natural immunity” evoked by different offending agents in the context of different host genetic backgrounds appears to be a critical factor in determining the phenotype of the subsequent specific response. Strongly polarized human Th1-type and Th2-type responses not only play different roles in protection, they can also promote different immunopathological reactions. Th1-type responses appear to be involved in organ specific autoimmunity, in contact dermatitis, and in some chronic inflammatory disorders of unknown etiology. In contrast, in genetically predisposed hosts, Th2-type responses against common environmental allergens are responsible for triggering of allergic atopic disorders. Altered profiles of lymphokine production may account for immune dysfunctions in some primary or acquired immunodeficiency syndromes. The role of lymphokines produced by T cells in the pathogenesis of systemic autoimmune disorders is less clear. Further work is also required to better clarify the role of T cell-derived lymphokines in protecting against tumors or in favoring their development. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Immunology Annual Reviews

Lymphokine Production by Human T Cells in Disease States

Romagnani, Sergio
Annual Review of Immunology , Volume 12 (1) – Apr 1, 1994
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Publisher
Annual Reviews
Copyright
Copyright 1994 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0732-0582
eISSN
1545-3278
DOI
10.1146/annurev.iy.12.040194.001303
pmid
8011282
Publisher site
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Abstract

A large body of evidence suggests the existence of polarized human T cell responses, reminiscent of Th1 and Th2 subsets described for mouse T cells. Human Th1-like cells preferentially develop during infections by intracellular bacteria, protozoa, and viruses, whereas Th2-like cells predominate during helminthic infestations and in response to common environmental allergens. The cytokine profile of “natural immunity” evoked by different offending agents in the context of different host genetic backgrounds appears to be a critical factor in determining the phenotype of the subsequent specific response. Strongly polarized human Th1-type and Th2-type responses not only play different roles in protection, they can also promote different immunopathological reactions. Th1-type responses appear to be involved in organ specific autoimmunity, in contact dermatitis, and in some chronic inflammatory disorders of unknown etiology. In contrast, in genetically predisposed hosts, Th2-type responses against common environmental allergens are responsible for triggering of allergic atopic disorders. Altered profiles of lymphokine production may account for immune dysfunctions in some primary or acquired immunodeficiency syndromes. The role of lymphokines produced by T cells in the pathogenesis of systemic autoimmune disorders is less clear. Further work is also required to better clarify the role of T cell-derived lymphokines in protecting against tumors or in favoring their development.

Journal

Annual Review of Immunology – Annual Reviews

Published: Apr 1, 1994

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