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Effects of Aromatase Inhibition on the Physical Activity Levels of Male Mice

Increasing activity levels in an inactive population can lead to associative increases in health and well-being. Both biologic and genetic factors have been identified that alter physical activity levels in humans and rodents with an extensive early literature regarding sex steroid effects on physical activity. Currently, it is suggested that the androgens require conversion to estrogens prior to eliciting any effects on activity patterns. Recent data contradicts this assertion; thus, the purpose of this study was to evaluate the necessity of the aromatase complex in activity regulation. Wheel running was assessed in male C57BL/6J mice under various sex steroid-disrupted and aromatase-inhibited conditions. Inhibition of the aromatase complex was achieved through administration of two different aromatase inhibiting substances—letrozole and exemestane. Wheel running was unaffected by aromatase inhibition in reproductively intact and sex steroid supplemented mice.

 

Citation: Bowen RS, Ferguson DP, Lightfoot JT (2011) Effects of Aromatase Inhibition on the Physical Activity Levels of Male Mice. J Steroids Hormon Sci S1:001. doi: 10.4172/2157-7536.S1-001

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