immortal cell line cell immortal cell line cell 永生细胞系细胞 CEM21 cell 651610 Oliver He CEM21 (aka CEM#21 or CEM-R5Luc1#21) is derived from CEM.NKR-CCR5 by stable transfecttion of a Tet-activator responsive Luciferase reporter BAO: BAO_0030049 https://www.ncbi.nlm.nih.gov/pubmed/10516002 CEM#21 CEM-R5Luc1#21