Suppressor T lymphocyte dysfunction in Graves' disease: role of the H-2 histamine receptor-bearing suppressor T lymphocytes.
The allo-suppressor effect of normal T lymphocytes on the production of migration inhibition factor by sensitized T lymphocytes of Graves' disease in response to human thyroid antigen has been studied further by a modified migration inhibition factor test employing purified T lymphocyte preparations. The production of migration inhibition factor was consistently abolished when normal T lymphocytes were mixed with the Graves' disease lymphocytes in various ratios (1:9, 2:8, and 5:5). However, pretreatment of the normal T lymphocytes with cimetidine (an H-2 histamine receptor antagonist) led to a demonstrable loss in their allo-suppressor properties, whereas pretreatment with chlorpheniramine (an H-1 histamine receptor antagonist) had no such effect. These studies indicate that a subset of normal T lymphocytes bearing H-2 histamine receptors suppresses the production or release of migration inhibition factor by sensitized T lymphocytes, and further suggest the possibility that there may be an abnormality in the H-2 receptors on Graves' disease suppressor T lymphocytes. It is conceivable that this defect is fundamental in the pathogenesis of Graves' disease.[1]References
- Suppressor T lymphocyte dysfunction in Graves' disease: role of the H-2 histamine receptor-bearing suppressor T lymphocytes. Okita, N., How, J., Topliss, D., Lewis, M., Row, V.V., Volpé, R. J. Clin. Endocrinol. Metab. (1981) [Pubmed]
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