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Suppressor Cell Function in Sarcoidosis

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Grant support: by grants from the Arthritis Foundation, the Lupus Foundation of Delaware Valley, the Pennsylvania Lupus Foundation, and the Pew Foundation and grant AM 13789-08 and RR 00997-03 from the U.S. Public Health Service.

▸Requests for reprints should be addressed to James S. Goodwin, M.D.; Department of Medicine, University of New Mexico School of Medicine; Albuquerque, NM 87131.

Albuquerque, New Mexico; and Philadelphia, Pennsylvania

©1979 American College of PhysiciansAmerican College of Physicians

Ann Intern Med. 1979;90(2):169-173. doi:10.7326/0003-4819-90-2-169
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We investigated the role of suppressor cells in the depressed cellular immunity of patients with sarcoidosis. The mean response in 16 patients with active sarcoidosis to three concentrations of phytohemagglutinin was significantly (P < 0.01) less than control values. Passage of the cells over glass wool resulted in a 116% increase in response to phytohemagglutinin in patients and a 39% decrease in control subjects. Addition of indomethacin to phytohemagglutinin cultures increased the response of cells in patients with sarcoidosis by 192% ± 32% versus a 112% ± 18%-increase for control subjects (mean ± SEM, P < 0.05). Patients had an increased percentage of monocytes in peripheral blood mononuclear cell preparations, and the percent monocytes correlated with the percent increase in phytohemagglutinin response after glass wool passage (r = 0.62, P < 0.05). Thus, several factors contribute to the depressed phytohemagglutinin response in sarcoidosis patients: an increased suppression by the prostaglandin-producing suppressor cell, an increased percentage of monocytes, and an as yet undefined factor.





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