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. 2012 Sep 5;108(10):2751–2766. doi: 10.1152/jn.01120.2011

Table 1.

Antagonist effects on CCh actions in single mAChR knockouts

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.