Table 1.

l-DOPA and dopamine production by HPLC

Cell linel-DOPA (pmol/mg)DA (pmol/mg)
Cath.a  01998.59 ± 57.89 (3)
CAD163.17 ± 9.39 (3)   0
CADd254.913 ± 24.79 (3)   0
HTC  0   0
  • Values are expressed as pmol/mg cell protein ± SD (n). Cells were disrupted, and the filtered cell lysate was injected onto the HPLC. The minimum detectability is 8.6 pmol forl-DOPA and 0.263 pmol for dopamine (DA).