less than 20 copies of this mrna species per cell was detected in resting human t lymphocytes , b lymphocytes and monocytes and in two other t cell lymphoma lines ( cem and molt4 ) , two b lymphoblastoid cell lines ( wil2-729-hf2 and hfb-1 ) , a myeloid cell line ( hl60 ) and a human embryonic lung fibroblast cell line ( mrc-5 ) .
C0007634
cell
C0016030
fibroblast