Evidence for Sympathetic Origins of Hypertension in Juvenile Offspring of Obese Rats
2010
Maternal obesity in rodents is associated with increased adiposity, impaired glucose tolerance, and hypertension in adult offspring. In this study we investigated the influence of maternal obesity in the rat on blood pressure and blood pressure regulatory pathways in juvenile and adult offspring. Obesity was induced before pregnancy in female Sprague-Dawley rats by feeding a highly palatable energy-dense diet. In juvenile animals (30 days of age), before the onset of obesity and hyperleptinemia, basal nighttime mean arterial pressure was significantly raised in the offspring of obese dams (OffOb) relative to offspring of controls (OffCon; mean arterial pressure, males: OffOb, 121.8±0.6 mm Hg versus OffCon, 115.0±0.5 mm Hg, n=6, P P P P P P P
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