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. 2006 Jan 12;571(Pt 2):477–487. doi: 10.1113/jphysiol.2005.104125

Table 3.

Contractile and dilator function of mesenteric arteries from male and female high and low isoflavone fed rats

3 month 6 month


High isoflavone diet Low isoflavone diet High isoflavone diet Low isoflavone diet




Female Male Female Male Female Male Female Male
ACh pEC50 (−log10m) 7.12 ± 0.17 6.93 ± 0.15 6.78 ± 0.56 6.72 ± 0.36 7.24 ± 0.08 7.34 ± 0.14 6.81 ± 0.16* 6.73 ± 0.17
Max (%) 89.01 ± 6.83 97.87 ± 1.68 87.40 ± 9.46 97.87 ± 10.06 88.91 ± 3.81 83.55 ± 7.45 84.80 ± 7.45 95.34 ± 2.29
NO pEC50 (−log10m) 6.01 ± 0.08 5.92 ± 0.13 5.98 ± 0.11 5.77 ± 0.71 5.50 ± 0.20 4.91 ± 0.21 5.72 ± 0.16 4.97 ± 0.17
Max (%) 96.91 ± 3.09 99.65 ± 0.35 98.44 ± 1.18 96.12 ± 2.17 92.25 ± 3.56 93.17 ± 6.25 93.25 ± 4.26 92.07 ± 3.3
NA pEC50 (−log10m) 6.24 ± 0.17 6.12 ± 0.12 6.14 ± 0.19 5.99 ± 0.04 5.74 ± 0.14 6.14 ± 0.15 5.90 ± 0.12 6.06 ± 0.12
Max (mN) 2.69 ± 0.24 3.44 ± 0.36 2.65 ± 0.21 3.02 ± 0.22 3.17 ± 0.24 4.04 ± 0.18 ‡ 2.90 ± 0.28 3.70 ± 0.25 ‡
ET-1 pEC50 (−log10m) 7.33 ± 0.04 7.24 ± 0.07 7.20 ± 0.12 7.21 ± 0.02 7.11 ± 0.12 7.30 ± 0.12 7.26 ± 0.18 7.27 ± 0.07
Max (mN) 3.33 ± 0.36 3.68 ± 0.31 3.74 ± 0.21 3.77 ± 0.17 3.24 ± 0.31 3.38 ± 0.14 3.38 ± 0.14 3.92 ± 0.25

Data are presented as the mean ±s.e.m. of 6–10 animals per group.

*

P < 0.05 low isoflavone females compared with high isoflavone females, ANOVA.

P < 0.05 low isoflavone males compared with high isoflavone males.

P < 0.05 males (both groups) compared with females (both groups), ANOVA.