Article ID Journal Published Year Pages File Type
10953799 Journal of Molecular and Cellular Cardiology 2012 7 Pages PDF
Abstract
► HCN2 was co-expressed with Adenylyl Cylase 1 (AC1) or 6 (AC6) in cardiac myocytes. ► AC1 but not AC6 increased [cAMP]i, accelerated beating rate and shifted HCN2 positive. ► In both AC1 and AC6 groups, isoproterenol shifted HCN2 activation relation positive. ► BAPTA prevented the isoproterenol effect in the AC1 but not AC6 group. ► AC1 plays a key role in sensitivity of β-adrenergic stimulation of HCN to [Ca]i.
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