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[Effects of multipotent hematopoietic stem cell inhibitory factor on formation of immune response to viral antigen].

An immunostimulating effect of PIF was studied. The augmentation of antibody production to Coxsackie A13 virus as well as protective effect during influenza infection have been found out in mice after PIF injections. An immunostimulating effect of PIF after SRBC immunization of mice has been also revealed. Possible mechanisms of immunostimulating effect of PIF are discussed.