Efficacy of a Low Dose of Estrogen on Antioxidant Defenses and Heart Rate Variability

Table 4

Myocardial nonenzymatic antioxidant defenses.

	Ovx (𝑁=9)	LE (𝑁=9)	HE (𝑁=9)
TRAP (units of Trolox/mg protein)	25.50±7.96	57.60±24.13^∗	53.55±16.15^∗
Total GSH (nmol/mg protein)	0.18±0.08	0.32±0.06^∗	0.28±0.14^∗
GSSG (nmol/mg protein)	0.026±0.008	0.022±0.005	0.014±0.005^∗
GSH/GSSG	5.98±2.45	13.57±2.23^∗	19.55±9.03^∗

Data are mean ± SD. Ovx: ovariectomized group; HE: high dose estrogen-treated group; LE: low dose estrogen-treated group. ^∗𝑃<0.05 versus Ovx.