Abstract
The production of macrophage migration inhibitory factor (MIF) and lymphotoxin (LT) by cultured leukocytes from patients with Wiskott-Aldrich syndrome (WAS) and normal controls was studied. The presence of these lymphokines in leukocyte culture supernatants usually correlated directly with the dose of stimulant used. Doses of nonspecific mitogens and specific antigens, which produced maximal in vitro lymphocyte transformation, stimulated maximal production of these mediators. When the incorporation of tritiated thymidine by stimulated leukocyte cultures from patients with Wiskott-Aldrich syndrome (WAS) was deficient, they usually produced less MIF and lymphotoxin than normal. However, when their in vitro lymphoproliferative responses were normal, the lymphotoxin activity in supernatants of WAS leukocyte cultures was normal.
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