while the characterization of cell surface antigens seems to be more germane to questions of the normal cell counterpart ( stage ) of malignant transformation and the biology of regulation of proliferation and differentiation by cell-cell contact and humoral factors , dna-derived and rna-derived parameters were surprisingly sensitive in the distinction of major morphologic groups , drug sensitivity and long-term prognosis .
C0699040
of cell surface
C0007634
normal cell