purine nucleoside phosphorylase ( pnp ) and ecto-5'nucleotidase ( 5'nt ) were lowest in cortical thymocytes ( 27.5 +/- 11.0 nmol/hr/10 ( 6 ) cells and 2.8 +/- 1.3 nmol/hr/10 ( 6 ) cells , respectively ) and increased with t cell maturation .
C0007634
cells
C1515126
t cell