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  • Title: Simvastatin attenuates the cerebral vascular endothelial inflammatory response in a rat traumatic brain injury.
    Author: Wang KW, Chen HJ, Lu K, Liliang PC, Liang CL, Tsai YD, Cho CL.
    Journal: Ann Clin Lab Sci; 2014; 44(2):145-50. PubMed ID: 24795052.
    Abstract:
    AIM: Traumatic brain injury (TBI) leads to important and deleterious inflammation, as evidenced by edema, cytokine production, induction of nitric oxide synthase, and leukocyte infiltration. After TBI, the activation of cerebral vascular endothelial cells plays a crucial role in the pathogenesis of inflammation. In this study, we hypothesized that the activation of cerebral vascular endothelial cells plays a crucial role in the pathogenesis of inflammation and outcome after TBI. It may represent a key cellular target for statin therapy. METHODS: In our study, cortical contusions were induced, and the effect of continuous treatment of simvastatin on behavior and inflammation in adult rats following experimental TBI was evaluated. The treatment group received 15 mg/kg of simvastatin daily for 3 days. Neurological function was assessed with the grip test. RESULTS: The results showed that the non-treatment control group had a significantly greater increase in ICAM-1 expression from pre-injury to the post-injury 72 h time point as compared to the expression in treatment group. The treatment group had better neurological function as evidenced in a grip test performed from baseline to 72 h. The analysis of a western blot test and pathology also demonstrated reduced ICAM-1 expression and a smaller area of damage and tissue loss. CONCLUSION: Our findings suggest that simvastatin could attenuate the activation of cerebral vascular endothelial inflammatory response and decrease the loss of neurological function and brain tissue.
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