Table 1.

The influence of hRFRP-1 on adult rat cardiac myocyte contractile function over 15 minutes (* denotes statistical significance from control, p < 0.05).

		% Change (mean ± SEM)
hRFRP-1 (log [])	n	baseline SL (μm)	peak s (μm)	dep v (μm/sec)	ret v (μm/sec)
−6	10	0.3 ± 0.3	−31.2 ± 4.4*	−35.2± 3.8*	−29.7 ± 5.4*
−7	18	−0.3 ± 0.2	−27.9 ± 4.9*	−28.2 ± 4.6*	−31.0 ± 4.6*
−8	14	−0.01 ± 0.2	−26.6 ± 2.9*	−27.7 ± 3.5*	−30.1 ±3.2*
−9	10	0.3 ± 0.1	−26.8 ± 7.4*	−29.5 ± 7.9*	−31.7 ± 6.2*
−10	7	−0.06 ± 0.2	−9.6 ± 2.7	−23.1 ± 4.3*	−21.8 ± 2.9*
−11	10	−0.2 ± 0.2	−6.3 ± 4.7	−14.7 ± 5.2	−11.2 ± 4.5
Control	20	−0.1 ± 0.1	−10.3 ± 3.4	−4.0 ± 4.5	−8.7 ± 4.6