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  • Title: Carnosine Attenuates Brain Oxidative Stress and Apoptosis After Intracerebral Hemorrhage in Rats.
    Author: Xie RX, Li DW, Liu XC, Yang MF, Fang J, Sun BL, Zhang ZY, Yang XY.
    Journal: Neurochem Res; 2017 Feb; 42(2):541-551. PubMed ID: 27868153.
    Abstract:
    Carnosine, an endogenous dipeptide (β-alanyl-L-histidine), exerts multiple neuroprotective properties, but its role in intracerebral hemorrhage (ICH) remains unclear. This study investigates the effect of Carnosine on brain injury using the rat ICH model, which is established by type IV collagenase caudatum infusion. The results indicate that intraperitoneal administration of Carnosine (1000 mg/kg) significantly attenuates brain edema, blood-brain barrier (BBB) disruption, oxidative stress, microglia activation and neuronal apoptosis of perihematoma at 72 h following ICH in rats models, as convinced by preventing the disruption of tight junction protein ZO-1, occludin and claudin-5, followed by the decrease of ROS, MDA, 3-NT, 8-OHDG level and the increase of GSH-Px and SOD activity, then followed by the decline of Iba-1, ED-1, active caspase-3 and TUNEL positive cells and the decrease of IL-1β, IL-6, TNF-α, active caspase-3 and cytochrome c level. Our results suggest that Carnosine may provide neuroprotective effect after experimental ICH in rat models.
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