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. Author manuscript; available in PMC: 2015 Nov 11.
Published in final edited form as: Circulation. 2014 Sep 9;130(20):1800–1811. doi: 10.1161/CIRCULATIONAHA.114.010434

Figure 8.

Figure 8

Gq protein- versus GRK-dependent cardiac V1AR signaling. Increased levels of AVP lead to enhanced stimulation of Gq protein-dependent V1AR signaling to promote cardiomyopathy, whereas GRK-dependent V1AR signaling reduces βAR-mediated signaling and downstream contractility. AC, adenylyl cyclase.