title: [Production by B+ null lymphocytes of an activity increasing the proliferation of T CD4+ lymphocytes in the presence of phytohemagglutinin and IL2].
abstract: Evidence is presented that B+ null lymphocyte supernatants, previously shown to promote the growth of CD4+ T lymphocyte colonies from human marrow precursors, can also selectively enhance CD4+ T cell proliferative response to PHA and IL2.
mesh_terms: D000954:Antigens, Surface / Q000032:analysis*; D001402:B-Lymphocytes / Q000145:classification / Q000276:immunology*; D001853:Bone Marrow / Q000276:immunology; D006412:Hematopoietic Stem Cells / Q000276:immunology; D006801:Humans; D007376:Interleukin-2 / Q000276:immunology*; D008213:Lymphocyte Activation; D016169:Lymphocyte Function-Associated Antigen-1; D008562:Membrane Glycoproteins / Q000032:analysis*; D010835:Phytohemagglutinins; D013601:T-Lymphocytes / Q000276:immunology*; D014020:Tissue Extracts / Q000494:pharmacology
chemical_list: D000954:Antigens, Surface; D007376:Interleukin-2; D016169:Lymphocyte Function-Associated Antigen-1; D008562:Membrane Glycoproteins; D010835:Phytohemagglutinins; D014020:Tissue Extracts
vernacular_title: Production par les lymphocytes B+ nuls d'une activité augmentant la prolifération de lymphocytes T CD4+ en présence de phytohémagglutinin (PHA) et d'IL2.