Carbachol

KCL

EC50

pD2

E_max (mg)

Hill slope

E_max (mg)

Control

1.7 × 10⁻⁶

5.77

5771.56 ± 507.92

0.98

2728.76 ± 289.88

6-OHDA

1.05 × 10⁻⁶

5.98

7503.82 ± 482.60^a

1.01

3309.17 ± 322.26

6-OHDA + Varenicline

1.02 × 10⁻⁶

6.07

3051.44 ± 174.40^b

1.49

2076.26 ± 196.38^c