TABLE 2

Bmax and KD of (R)-Rolipram Measured In Vivo and In Vitro in Regions of Rat Brain

Bmax (nM)KD (nM)
In vivoIn vivo
RegionConsciousAnesthetizedIn vitroConsciousAnesthetizedIn vitro
Frontal cortex68.364.884 ± 61.100.975.5 ± 0.3
Hippocampus79.754.366 ± 61.570.735.4 ± 0.3
Diencephalon66.748.681 ± 81.310.796.1 ± 0.3
  • Values from in vitro studies are mean ± SD. In vitro KD published in Fujita et al. (13) measured with racemic 3H-rolipram was divided by 2 to calculate KD of (R)-rolipram.