TABLE 2

Effects of long-term nicotine treatment and its withdrawal on brain [3H]epibatidine ([3H]epi) and 125I-αBgt binding sites

[3H]Epibatidine Binding Sites [125I]αBgt Binding Sites
Treatment MiniPump 14 days Withdrawal MiniPump 14 days Withdrawal
3 days 7 days 3 days 7 days
fmol/mg
Saline 99.7 ± 8.2 90.4 ± 9.0 81.0 ± 10.9 117.1 ± 5.0 109.2 ± 4.2 102.4 ± 6.1
Nicotine 137.1 ± 15.7* 128.4 ± 5.6* 119.0 ± 9.1* 114.6 ± 7.3 112.9 ± 6.4 105.2 ± 11.7
n 16 16 16 16 16 16
  • * Statistically different from respective control, p < 0.05, one-way ANOVA.