Due to the relative infancy of the vascular KCNQ field, it is important that previous literature on this topic is adequately represented. Since the initial discovery in mouse portal vein myocytes (Ohya et al, 2003), KCNQ gene expression has been described in range of rodent blood vessels including portal vein, aorta, carotid, pulmonary and mesen-teric arteries (Yeung et al., 2007; Mackie etal, 2008; Joshi et al., 2009; Zhong et al, 2010a) as well as human blood vessels (Ng et al, 2011) where products of KCNQ1, KCNQ4 and KCNQ5 predominate.
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