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. Author manuscript; available in PMC: 2012 Sep 24.
Published in final edited form as: Peptides. 2010 Aug 24;31(11):2067–2074. doi: 10.1016/j.peptides.2010.07.012

Fig. 7.

Fig. 7

Representative sarcomere shortening traces in isolated adult rabbit cardiac myocytes paced at 0.5 Hz. Fig. 7A. A signal-averaged recording from 10 traces was made in myocytes 1 day after isolation (n = 3). Recordings show shortening before and 15 minutes after initiating perfusion with 10−10 M hRFRP-1 or media (control) at 37°C. Fig. 7B. Percent change in peak shortening, departure velocity, and return velocity.