PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12938221-4 2003 In vitro analyses revealed that cell populations rapidly extruding Rhodamine-123 (R123) (referred to as R123(lo) cells) in aged CD4(+)CD25(-) T cells have a more potent suppressive function compared with R123(hi) populations. Rhodamine 123 67-80 CD4 antigen Mus musculus 128-131 7912705-0 1994 Extrusion of the P glycoprotein substrate rhodamine-123 distinguishes CD4 memory T cell subsets that differ in IL-2-driven IL-4 production. Rhodamine 123 42-55 CD4 antigen Mus musculus 70-73