title: RNA virus associated antigen in human placenta.
abstract: Using indirect immunofluorescence microscopy, it was demonstrated that human cytotrophoblast of six to ten weeks gestation contains mouse mammary tumor virus associated antigen. This antigen appeared predominantly in the periphery of the cells.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D008325:Mammary Neoplasms, Experimental / Q000276:immunology / Q000382:microbiology; D008324:Mammary Tumor Virus, Mouse / Q000276:immunology* / Q000648:ultrastructure; D051379:Mice; D008854:Microscopy, Electron; D010920:Placenta / Q000276:immunology*; D011247:Pregnancy; D014327:Trophoblasts / Q000276:immunology
chemical_list: D000956:Antigens, Viral