Decreased sensitivity to prostaglandin and histamine in lymphocytes from normal HLA-B12 individuals: A possible role in autoimmunity

C. Staszak, James Goodwin, G. M. Troup, D. R. Pathak, R. C. Williams

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Abstract

We examined the sensitivity of lymphocytes from normal subjects with HLA-B8 and B12 to inhibition by prostaglandin E 2 (PGE 2), histamine, and hydrocortisone. Phytohemagglutinin- and concanavalin A-stimulated cultures of peripheral blood mononuclear cells of subjects with HLA-B12 were significantly less (p < 0.001) inhibited by four concentrations of PGE 2 (3 x 10 -9 to 3 x 10 -6 M) compared with non-HLA-B12 controls. There was a trend for subjects with HLA-B8 to be less sensitive to PGE 2, but this difference was not significant. Indomethacin caused significantly less enhancement of mitogen-stimulated cultures of peripheral blood mononuclear cells from subjects with HLA-B12 compared with controls (p < 0.05). Concanavalin A-stimulated cultures of peripheral blood mononuclear cells from subjects with HLA-B12 were also significantly less inhibited by the addition of 10 -5 M histamine to the cultures (p < 0.05). There was no significant difference in sensitivity to hydrocortisone among the subjects with HLA-B8, B12, or controls, but there was a trend for HLA-B12 subjects to be less sensitive. The response in [ 3H] thymidine incorporation to three concentrations of concanavalin A and four concentrations of phytohemagglutinin was not different among the three groups of subjects. A depressed response to endogenous modulators of the immune response may explain the propensity for autoimmune disorders in subjects bearing HLA-B12.

Original languageEnglish (US)
Pages (from-to)181-185
Number of pages5
JournalJournal of Immunology
Volume125
Issue number1
StatePublished - 1980
Externally publishedYes

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Autoimmunity
Histamine
Prostaglandins
Lymphocytes
HLA-B8 Antigen
Concanavalin A
Prostaglandins E
Blood Cells
Phytohemagglutinins
Hydrocortisone
HLA-B12 antigen
Mitogens
Indomethacin
Thymidine

ASJC Scopus subject areas

  • Immunology

Cite this

Decreased sensitivity to prostaglandin and histamine in lymphocytes from normal HLA-B12 individuals : A possible role in autoimmunity. / Staszak, C.; Goodwin, James; Troup, G. M.; Pathak, D. R.; Williams, R. C.

In: Journal of Immunology, Vol. 125, No. 1, 1980, p. 181-185.

Research output: Contribution to journalArticle

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