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Pharmacology, Toxicology and Environmental Health

2011

Brain

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Full-Text Articles in Life Sciences

Reversal Of Glial And Neurovascular Markers Of Unhealthy Brain Aging By Exercise In Middle-Aged Female Mice, Caitlin S. Latimer, James L. Searcy, Michael T. Bridges, Lawrence D. Brewer, Jelena Popović, Eric M. Blalock, Philip W. Landfield, Olivier Thibault, Nada M. Porter Oct 2011

Reversal Of Glial And Neurovascular Markers Of Unhealthy Brain Aging By Exercise In Middle-Aged Female Mice, Caitlin S. Latimer, James L. Searcy, Michael T. Bridges, Lawrence D. Brewer, Jelena Popović, Eric M. Blalock, Philip W. Landfield, Olivier Thibault, Nada M. Porter

Pharmacology and Nutritional Sciences Faculty Publications

Healthy brain aging and cognitive function are promoted by exercise. The benefits of exercise are attributed to several mechanisms, many which highlight its neuroprotective role via actions that enhance neurogenesis, neuronal morphology and/or neurotrophin release. However, the brain is also composed of glial and vascular elements, and comparatively less is known regarding the effects of exercise on these components in the aging brain. Here, we show that aerobic exercise at mid-age decreased markers of unhealthy brain aging including astrocyte hypertrophy, a hallmark of brain aging. Middle-aged female mice were assigned to a sedentary group or provided a running wheel for …