Kir2.1 channels set two levels of resting membrane potential with inward rectification.
Chen K, Zuo D, Liu Z, Chen H.
Pflugers Arch. 2018 Apr;470(4):599-611. doi: 10.1007/s00424-017-2099-3. Epub 2017 Dec 27.
PMID:29282531
Resting membrane potential is less negative in trabeculae from right atrial appendages of women, but action potential duration does not shorten with age.
Pecha S, Ismaili D, Geelhoed B, Knaut M, Reichenspurner H, Eschenhagen T, Schnabel RB, Christ T, Ravens U.