Expression of class II antigen in endotoxin induced uveitis.

Abstract:

:Uveitis can be induced by systemic or intravitreal administration of endotoxin (lipopolysaccharide, LPS). In this study we correlated the expression of class II antigens (la in rat) of the Major Histocompatibility Complex (MHC), with this experimental model of uveitis. Ia antigen was detected by immunohistochemistry using the Avidin-Biotin-Peroxidase Complex (ABC) method and the monoclonal antibody OX6. Ia antigen was not expressed in normal eyes. However, Ia was expressed in the anterior uvea epithelial cells in all eyes with LPS induced uveitis. This study demonstrates that the ocular Ia expression is a localized process in the anterior uvea in response to systemic or intravitreal LPS. This response appears to be distinct from the action of LPS on macrophage Ia expression, where LPS has been shown to inhibit the induction of Ia antigen in macrophages by gamma interferon.

journal_name

Curr Eye Res

journal_title

Current eye research

authors

Kim MK,Palestine AG,Nussenblatt RB,Chan CC

doi

10.3109/02713688609029239

subject

Has Abstract

pub_date

1986-11-01 00:00:00

pages

869-76

issue

11

eissn

0271-3683

issn

1460-2202

journal_volume

5

pub_type

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