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牛磺酸对哺乳动物大脑发育及抗缺氧缺血性脑损伤的作用

Jixuan Luo,Siyun Shu, Lin Ma, Sheng Wu

International Journal of Pediatrics(2014)

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Abstract
牛磺酸是存在于哺乳动物大脑中类似γ-氨基丁酸的抑制性氨基酸,可与甘氨酸受体结合激活皮质纹状体通路,发挥着平衡大脑兴奋性和抑制性过程的重要作用.它的浓度在哺乳动物大脑发育过程中持续升高至断奶期,到成年后达到稳定水平.牛磺酸具有强大的抗氧化应激、抗炎和抗凋亡作用,并且可以改善缺氧缺血性脑损伤,促进神经细胞增殖分化,影响胎儿脑发育.动物实验表明补充牛磺酸可促进新生儿脑发育,有保护或减轻脑缺氧缺血性和氧化应激脑损伤的作用.但对于人类能否补充牛磺酸来促进脑发育保护脑损伤,以及在何时补充、补充的剂量和途径的研究资料并不充分,有待于进一步深入研究.
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Key words
Inhibitory amino acid,Brain development,Anti-oxidative stress,Anti-inflammatory,Anti-apoptosis
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