Table 1.

Putamen Tissue Levels of Dopamine (DA), Homovanillic Acid (HVA), and 3,4-Dihydroxyphenylacetic Acid (DOPAC) in MPTP-Lesioned Monkeys Chronically Infused With Either Vehicle or Neurturin (NTN) Into the Right Putamen for 12 Weeks

Treatment	Hemisphere	DA (ng/g)	DOPAC (ng/g)	HVA (ng/g)
Vehicle	left	8,357 ± 468	2,264 ± 243	20,713 ± 1,155
NTN	left	8,208 ± 345	1,881 ± 166	19,812 ± 849*
Vehicle	right	36 ± 9*	22 ± 5*	1,577 ± 308*
NTN	right	42 ± 1*	25 ± 10*	2,214 ± 239*

Values shown are mean ± SEM.

^*p < 0.01, left versus right side (same treatment group), one-tailed paired t-tests.