Table 1.

Regional EC₅₀ values (μm) for NADH and NADPH enhancement of [³H]DHR binding

Nucleotide	Striatum	Dentate gyrus	Cerebellum
NADH	29.2  ± 1.5	20.7  ± 2.4	37.1  ± 7.3
NADPH	36.9  ± 5.7	37.6  ± 2.4	52.6  ± 30.2

Values represent mean ± SEM; n = 4. [³H]DHR concentration was 5 nm.