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. 2014 Apr 17;592(Pt 10):2183–2196. doi: 10.1113/jphysiol.2013.268771

Figure 7. Histamine activates GIRK channels in MCH neurons.

Figure 7

A, an example showing that the GIRK channel inhibitor Tertiapin Q (TPQ) blocks histamine-induced hyperpolarization of MCH neurons. B and C, histamine has no effect on resting membrane potential or firing threshold of MCH neurons (n = 5) in the presence of TPQ. D, TPQ blocks the alterations in input resistance elicited by histamine.