Table 2

Comparison of ED50 values for the inhibition of dorsal raphe cell firing by 8-OH-DPAT, WAY 100635, NDL-249, and NAD-299

DrugED50ED50n
μg/kg μmol/kg
8-OH-DPAT1.3  ± 0.30.004  ± 0.000914
WAY 100635330  ± 1100.6  ± 0.2*5
NDL-249250  ± 1070.7  ± 0.3**7
NAD-299435  ± 2160.9  ± 0.4***6
p-MPPI6
  • Value significantly different from 8-OH-DPAT: * p < .001; ** p < .003; *** p < .002.