Action of cysteine hydrochloride in the body on the immune response and the formation of antigen-antibody complexes

The present work demonstrates that the injection of cysteine hydrochloride, a reducing agent, into animals has a pronounced effect on the character of immune response to proteinaceous antigen (bovine serum albumin): the formation of antibodies is enhanced, the synthesis of IgM is prevented from being changed over to the synthesis of IgG, the time of the circulation of free antigen is reduced and the time of their circulation in the blood is increased.