T cell immunity in autoimmune hepatitis

Yasunori Ichiki, Christopher A. Aoki, Christopher L. Bowlus, Shinji Shimoda, Hiromi Ishibashi, M. Eric Gershwin

Research output: Contribution to journalReview article

80 Citations (Scopus)

Abstract

T cells play a central role in the immunopathogenesis of AIH. Until recently CD4+ T cells were thought to be critical for disease development, increasing evidence has shown that CD8+ T and γδ T cells also play a significant role. The predisposition of certain HLA genotypes to AIH as well as the clonal expansion of a limited number of T cell receptors suggests that the presentation of a self-antigen or a molecular mimic may be responsible for the initiation of the immune response. Given the association of AIH with viral hepatitis, it is thought that the loss of tolerance begins with an infection of hepatocytes and subsequent cytolysis by CD8+ T cells. The presentation of self-antigens or molecular mimics leads to activation and clonal expansion of T cells; this process may be increased by impaired regulatory T cells and a defect in apoptosis. Ultimately T cells initiate B cell production of autoantibodies, proinflammatory cytokines and finally hepatocyte cytotoxicity.

Original languageEnglish
Pages (from-to)315-321
Number of pages7
JournalAutoimmunity Reviews
Volume4
Issue number5
DOIs
Publication statusPublished - Jun 1 2005

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Autoimmune Hepatitis
Immunity
Insemination, Artificial, Homologous
T-Lymphocytes
Autoantigens
Hepatocytes
Regulatory T-Lymphocytes
T-Cell Antigen Receptor
Autoantibodies
Hepatitis
B-Lymphocytes
Genotype
Apoptosis
Cytokines
Infection

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

Cite this

Ichiki, Y., Aoki, C. A., Bowlus, C. L., Shimoda, S., Ishibashi, H., & Gershwin, M. E. (2005). T cell immunity in autoimmune hepatitis. Autoimmunity Reviews, 4(5), 315-321. https://doi.org/10.1016/j.autrev.2005.01.005

T cell immunity in autoimmune hepatitis. / Ichiki, Yasunori; Aoki, Christopher A.; Bowlus, Christopher L.; Shimoda, Shinji; Ishibashi, Hiromi; Gershwin, M. Eric.

In: Autoimmunity Reviews, Vol. 4, No. 5, 01.06.2005, p. 315-321.

Research output: Contribution to journalReview article

Ichiki, Y, Aoki, CA, Bowlus, CL, Shimoda, S, Ishibashi, H & Gershwin, ME 2005, 'T cell immunity in autoimmune hepatitis', Autoimmunity Reviews, vol. 4, no. 5, pp. 315-321. https://doi.org/10.1016/j.autrev.2005.01.005
Ichiki Y, Aoki CA, Bowlus CL, Shimoda S, Ishibashi H, Gershwin ME. T cell immunity in autoimmune hepatitis. Autoimmunity Reviews. 2005 Jun 1;4(5):315-321. https://doi.org/10.1016/j.autrev.2005.01.005
Ichiki, Yasunori ; Aoki, Christopher A. ; Bowlus, Christopher L. ; Shimoda, Shinji ; Ishibashi, Hiromi ; Gershwin, M. Eric. / T cell immunity in autoimmune hepatitis. In: Autoimmunity Reviews. 2005 ; Vol. 4, No. 5. pp. 315-321.
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