August 1991
Volume 32, Issue 9
Free
Articles  |   August 1991
Enumeration of autoreactive helper T lymphocytes in uveitis.
Author Affiliations
  • E M Opremcak
    Ohio State University College of Medicine, Department of Ophthalmology, Columbus 43210.
  • A B Cowans
    Ohio State University College of Medicine, Department of Ophthalmology, Columbus 43210.
  • C G Orosz
    Ohio State University College of Medicine, Department of Ophthalmology, Columbus 43210.
  • P W Adams
    Ohio State University College of Medicine, Department of Ophthalmology, Columbus 43210.
  • R L Whisler
    Ohio State University College of Medicine, Department of Ophthalmology, Columbus 43210.
Investigative Ophthalmology & Visual Science August 1991, Vol.32, 2561-2567. doi:
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      E M Opremcak, A B Cowans, C G Orosz, P W Adams, R L Whisler; Enumeration of autoreactive helper T lymphocytes in uveitis.. Invest. Ophthalmol. Vis. Sci. 1991;32(9):2561-2567.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

In a one-stage, interleukin-2 (IL-2), limiting-dilution analysis, peripheral blood mononuclear cells from patients with uveitis and normal control subjects were assayed for S-antigen specific, tetanus-specific, and in vivo activated helper T cells. Controls subjects consistently demonstrated tetanus-specific responses, but neither in vivo activation nor S-antigen specific helper T cell responses were seen. Patients with active forms of diffuse, posterior, and anterior uveitis were found to have significant frequencies of both in vivo activated and S-antigen specific helper T cells in their peripheral blood. These data show that patients with certain forms of uveitis have a measurable frequency of lymphocytes in the peripheral immunologic compartment capable of secreting IL-2 in response to autologous presentation of ocular autoantigen (S-antigen). Limiting-dilution analysis techniques, generating minimal responder cell frequency estimates and distinct IL secretion patterns, may provide an index of disease activity and critical information about the mechanism(s) of ocular inflammation.

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