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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

Table 4.

The influence of 26RFa peptides on adult rat cardiac myocyte contractile function over 15 minutes (* denotes statistical significance from control, p < 0.05).

% Change (mean ± SEM)
n baseline SL (μm) peak s (μm) dep v (μm/sec) ret v (μm/sec)
10−8M hRFRP-1 14 −0.01 ± 0.2 −26.6 ± 2.9* −27.7 ± 3.5* −30.1 ± 3.2*
10−8M 26RFa(8-26) 17 −0.04 ± 0.1 −4.3 ± 5.7 −6.0 ± 4.4 −7.3 ± 6.3
10−8M 26RFa(19-26) 20 −0.4 ± 0.2 −7.7 ± 4.8 −5.3 ± 5.6 −8.1 ± 5.0
Control 20 −0.1 ± 0.1 −10.3 ± 3.4 −4.0 ± 4.5 −8.7 ± 4.6