Table 2.
Substrate | Specific Activity (nmol/min/mg)a,b |
---|---|
L-DOPA | 5.44 ± 0.51# |
Methyl-DOPA | 0.20 ± 0.05# |
Carbidopa | 2.19 ± 0.22# |
Dopamine | 37.43 ± 1.07* |
Epinephrine | 18.94 ± 0.96* |
Isoproterenol | 41.04 ± 1.24* |
Apomorphine | 0.529 ± 0.18# |
2-OH-E1 | 157.33 ± 6.67* |
4-OH-E1 | 46.31 ± 3.46# |
2-OH-E2 | 144.57 ± 4.29* |
4-OH-E2 | 85.80 ± 1.12* |
Dobutamine | 128.54 ± 5.66* |
Data represent means ± S.D. derived from four experiments.
Statistical significance versus the activity of control is indicated by * with p<0.0001 or # with p<0.005. The sample size (n) analyzed was 8.