Induction of Immunological Tolerance to Soluble Histocompatibility-2 Antigens of Mice
AUTOR(ES)
Law, Lloyd W.
RESUMO
Immunological tolerance to a soluble, partially purified fraction of histocompatibility (H)-2a antigen was induced in B10.D2 strain mice. The fraction used was obtained after chromatography on a Sephadex G-150 column. Tolerance of humoral-antibody formation (cytotoxins and hemagglutinins) was observed in mice injected with soluble antigen since birth, but cell-mediated immunity, as measured by skin graft survival, remained intact. Tolerance was shown to be specific for H-2a antigens, since treated mice produced a regular humoral-antibody response to H-2b antigens. These findings, along with previous observations of the immunogenic and enhancing properties of our partially purified fraction, suggest that the solubilized antigen contains all the major determinants of H-2a antigens expressed on lymphoid-cell surfaces.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=426819Documentos Relacionados
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