Embryonic surface antigens: A “quasi-endodermal” teratoma antigen☆

[摘要] Hyperimmuneantiseraagainstateratoma-derivedendodermalcarcinomaofthemousewereusedincytotoxicitytestsandbyabsorptionanalysistodefineasurfaceantigen.Thisantigenwasfoundtobepresentonalltumorcellstestedthatwereofendodermaloriginaswellasonembryonicliver,andwasthereforedesignated“Endo.”Furthertesting,however,revealedthatEndowasrepresentedonseveralinappropriatecelltypessuchasyoungembryosbeforetheappearanceofendoderm,sperm,andasmallproportionofnon-endodermaltumors.Endomustthereforebeconsidereda“quasi-endodermal”antigen.

[学科分类] 生物科学（综合）