• Neuroscience letters · Sep 2014

    Ursolic acid reduces oxidative stress to alleviate early brain injury following experimental subarachnoid hemorrhage.

    • Tingting Zhang, Jingyuan Su, Kaiwen Wang, Tingzhun Zhu, and Xiaoming Li.
    • Institute of Neurology, General Hospital of Shenyang Military Command, Shenyang, Liaoning 110016, China.
    • Neurosci. Lett. 2014 Sep 5;579:12-7.

    AbstractUrsolic acid (UA), a well-known anti-oxidative reagent, has been reported to protect the brain against ischemic stoke. However, the potential role of UA in protecting against early brain injury (EBI) after subarachnoid hemorrhage (SAH) remains unclear. The present study aimed to examine the effect of UA against EBI following SAH, and to demonstrate whether the effect is associated with its powerful antioxidant property. Male SD rats were divided into vehicle-treated sham, vehicle-treated SAH, and UA-treated SAH groups. The endovascular puncture model was used to induce SAH and all the rats were subsequently sacrificed at 48h after SAH. The results show that UA administration could significantly attenuate EBI (including brain edema, blood-brain barrier disruption, neural cell apoptosis, and neurological deficient) after SAH in rats and up-regulate the antioxidative levels in the rat cerebral cortex, suggesting that administration of UA in experimental SAH rats could alleviate brain injury symptom, potentially through its powerful antioxidant property. Hence, we concluded that UA might be a novel therapeutic agent for EBI following SAH.Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

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