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We examined the role of a prostaglandin-producing suppressor cell in the hyporesponsiveness to phytohemagglutinin seen in Hodgkin's disease. Addition of indomethacin to phytohemagglutinin cultures of lymphocytes from six patients with Hodgkin's disease resulted in an increase of 182 +/- 60 per cent in 3H-thymidine incorporation versus a 44 +/- 18% increase in 29 controls (mean +/- S.D., P less than 0.001). Without indomethacin the mean response of the lymphocytes in Hodgkin's disease was 48% of that of control. With indomethacin it was 94% of the control value. Phytohemagglutinin cultures of Hodgkin-disease lymphocytes produced approximately fourfold more prostaglandin E2 after 48 hours than did normal lymphocytes (P less than 0.02). Removal of glass-adherent cells markedly decreased the enhancement seen with indomethacin; it reduced prostaglandin E2 production by more than 80% and eliminated the differences in response to phytohemagglutinin between Hodgkin-disease and normal lymphocytes. Thus, a glass-adherent, prostaglandin-producing suppressor cell is responsible for the hyporesponsiveness to phytohemagglutinin seen with Hodgkin-disease lymphocytes.
J S Goodwin, and
R P Messner, and
A D Bankhurst, and
G T Peake, and
J H Saiki, and
R C Williams
January 1980,
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