Suppressor cell activity, splenic function and HLA B8 status in man
- PMID: 6218306
Suppressor cell activity, splenic function and HLA B8 status in man
Abstract
The enhanced proliferative response of peripheral blood lymphocytes (P.B.L.) to Concanavalin A (Con A) occurring after a 24 hr period of incubation was used as the basis of a suppressor cell assay and the results expressed as a suppressor index (S.I.) which if low implies impaired suppressor cell activity. S.I. was measured on P.B.L. from 26 patients with coeliac disease and defined splenic function, 8 patients with splenic atrophy not associated with coeliac disease, 30 patients after surgical splenectomy, and 52 controls. S.I. was lower than control in the splenectomy group (P less than 0.01) and in the coeliac group, but coeliacs with splenic atrophy were no different from coeliacs with apparently normal splenic function, nor were the non-coeliac splenic atrophy group different from control. Coeliacs with the HLA B8 gene had lower S.I. than those without, as did controls. Suspensions of cells from spleens removed at laparotomy demonstrated suppressor activity but this was no more marked than in P.B.L. It is concluded that the intact spleen is required for normal activation of suppressor cells in man, but this function is retained in splenic atrophy, and that the HLA B8 gene is associated with low suppressor cell activity in coeliac disease and in health.
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