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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: J Cardiovasc Pharmacol. 2014 Jun;63(6):533–543. doi: 10.1097/FJC.0000000000000078

Table 1. Effects of PP2 and ISO on rat sinus node If (Ba2+ in solution).

Vth(mV) V1/2(mV) τ-act (−100mV) (ms)
Control −59.4±4.8(n=11) −77.8±2.3(n=9) 416.3±20.9(n=11)
PP2* −77.9±3.9(n=8) −87.8±2.3(n=6) 502.3±48.1(n=6)
ISO −53.8±4.0(n=9) −67.3±2.3(n=7) 328.8±22.0(n=7)
ISO+PP2* −82.9±3.6(n=6) −93.8±1.5(n=6) 658.0±36.1(n=6)
*

PP3 did not have the effects of PP2 shown in the table.