Table 1.

Effect of K⁺ channel inhibitors on current density

Drug	Target	Conc. (m)	Effect	Reference
Ba2+	Kir and others	10−3	−12%	1
4-Aminopyridine	Kv	10−3	−11%	2
XE991	KCNQ	10−4	−19%	3
Glibenclamide	KATP channel	10−5	NC	4
Apamin	sK channels	10−7	NC	5
Clotrimazole	IKCa	10−5	NC	6
Iberiotoxin	KCa channels	10−7	NC	7
Extracellular low pH	Some K2P channels	10−6 (pH 6)	NC	8
TEA	Many K+ channels	3 × 10−3	NC	9

NC, No change; Conc., concentration.

1, Krapivinsky et al. (1998); 2, Wang et al. (2009); 3, Moser et al. (2008); 4, Quayle et al. (1997); 5, Stocker (2004); 6, Devor et al. (1997) and Dutta et al. (2009); 7, Tanaka et al. (2004); 8, Duprat et al. (1997, 2005), Rajan et al. (2000, 2005), and Morton et al. (2005); 9, Safronov et al. (1996), Cai et al. (1998), and Hadley et al. (2000).