Table 1.
Condition | n | Effect on Vm, mV | Effect on Rin, %control | Effect on Spike-Evoked dF/F, %control |
---|---|---|---|---|
M2−/− | ||||
Control | 4 | −2.5 ± 0.8* | −40.7 ± 14.2* | −11.2 ± 5.7* |
+ Atropine | −0.8 ± 0.2 | +2.3 ± 4.1 | −1.0 ± 2.2 | |
Control | 4 | −2.1 ± 1.4* | −32.3 ± 10.6* | −13.9 ± 5.8* |
+ Tertiapin | +2.0 ± 1.5* | +1.4 ± 12.6 | −19.1 ± 16.9* | |
Control | 4 | −2.5 ± 0.5* | −47.2 ± 10.8* | −16.3 ± 5.1* |
+ SNX-482 | −2.9 ± 0.9* | −44.6 ± 15.0* | −5.6 ± 3.4 | |
M4−/− | ||||
Control | 7 | −5.3 ± 0.9* | −51.9 ± 8.3* | −46.2 ± 1.1* |
+ Atropine | +3.5 ± 3.4 | +3.2 ± 17.2 | −0.8 ± 1.4 | |
Control | 3 | −5.8 ± 0.7* | −54.8 ± 21.6* | −47.6 ± 2.9* |
+ Tertiapin | −0.8 ± 0.2 | −25.1 ± 7.3* | −33.0 ± 2.6* | |
Control | 4 | −2.7 ± 0.8* | −47.7 ± 15.2* | −44.9 ± 4.5* |
+ SNX-482 | −2.8 ± 0.7* | −55.2 ± 18.7* | −10.6 ± 4.4 |
Values are means ± SE; n, no. of neurons. CCh, carbachol; mAChR, Muscarinic acetylcholine receptors; Vm, membrane potential; Rin, input resistance; dF/F, change in fluorescence.
P < 0.05.