Key result
Estradiol administration significantly inhibited endothelial senescence and atherosclerosis, and reduced ADMA and LDL cholesterol levels in ovariectomized rabbits (all P<0.01).
Why the study?
Does estradiol treatment inhibit vascular endothelial senescence and atherosclerosis in ovariectomized rabbits on a high-cholesterol diet?
Population
28 female rabbits fed a high-cholesterol diet, and human umbilical vein endothelial cells
Comparison
Estradiol treatment (low-dose and high-dose) vs Sham operation and ovariectomized without…
Design
Preclinical, randomized into 4 groups
Follow-up
12 weeks
Authors
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Does not support clinical use in postmenopausal women; hypothesis-generating for estradiol's vascular effects in estrogen deficiency.
Does estradiol treatment inhibit vascular endothelial senescence and atherosclerosis in ovariectomized rabbits on a high-cholesterol diet?
p-value: p=<0.01
In an ovariectomized rabbit model, estradiol treatment reduces ADMA levels, improves lipid profiles, and inhibits endothelial senescence and atherosclerosis.
Liao et al. (2010) studied Atherosclerosis and endothelial senescence (n=28). Estradiol vs. Sham operation and ovariectomized without treatment was evaluated on Endothelial senescence, atherosclerosis, ADMA, and lipid levels (p=<0.01). Estradiol administration significantly inhibited endothelial senescence and atherosclerosis, and reduced ADMA and LDL cholesterol levels in ovariectomized rabbits (all P<0.01).
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