This cell line was a T lymphoblastoid line obtained from the peripheral blood of a 4 year old Caucasian female with acute lymphoblastoid leukaemia. These may be grown to a high density in a spinner type suspension culture. Cells are reported to be free of virus particles as determined by electron microscopy. Tumorigenecity: yes, in syrian hamsters Isoenzyme: G6PD, B Histopathology: leukemia, acute lymphoblastic