| Abstract: | During incubation of spleen cells of immune micein vitro with syngeneic and xenogeneic red cells a factor (or factors) with immunosuppressive activity is secreted into the medium. Secretion of the suppressor factor by spleen cells of nonimmune mice takes place only on contact with xenogenic red cells.Department of Immunology, Scientific-Research Center Attached to the N. I. Pirogov Second Moscow Medical Institute. (Presented by Academician of the Academy of Medical Sciences of the USSR Yu. M. Lopukhin.) Translated from Byulleten' Éksperimental'noi Biologii i Meditsiny, Vol. 83, No. 3, pp. 308–310, March, 1977. |
