Treatment with LXR agonists after focal cerebral ischemia prevents brain damage

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Abstract
Stroke is characterized by massive inflammation in areas surrounding the injury that magnifies damage to the brain. The liver X receptors (LXRs) are nuclear receptors that regulate cholesterol, lipid, and glucose metabolism. Synthetic LXR agonists have potent anti‐inflammatory properties in a variety of settings, including neuroinflammation. However, the ability of LXR agonists to suppress stroke‐associated inflammation has not been evaluated. Here, we have used time‐lapse magnetic resonance imaging (MRI) to show that a single dose of an LXR ligand administered post‐injury dramatically reduces brain damage in a model of acute brain ischemia. Neuroprotection was associated with suppression of neuroinflammation.

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