“…[17] Thymostimulin also has a direct or indirect effect on other non-T cell immune system components. Preincubation of peripheral blood mononuclear cells from cancer patients with thymostimulin 1 mg/L increased the prolifer- was negatively correlated with the control proliferative response, such that thymostimulin produced a progressively greater response as the control response became less.…”