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. Author manuscript; available in PMC: 2013 Jun 8.
Published in final edited form as: Circ Res. 2012 Jun 8;110(12):1646–1660. doi: 10.1161/CIRCRESAHA.111.259754

Figure 5. Beta adrenergic agonist stimulation and protein phosphatase 1 in regulation of the PLN/SERCA activity.

Figure 5

PKA activation results in increased phosphorylation of PLN, Inhibitor-1 and Hsp20 amplifying the stimulatory effects b-AR stimulation on SR Ca-transport and contractility.