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脑红蛋白研究进展 被引量:4

Current progress of a novel oxygen-binding protein:neuroglobin
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摘要 脑红蛋白 (neuroglobin ,NGB)是新近发现的神经系统特异的携氧球蛋白 ,主要以单体形式存在于神经细胞中。NGB与脊椎动物肌红蛋白 (myoglobin ,MGB)和血红蛋白 (hemoglobin ,HGB)具有较低但仍然显著的序列同源性 ,因此从进化角度以及功能上已将其明确归入携氧球蛋白家族。人NGB为单拷贝基因 ,定位于染色体 14q2 4 ,含有四个外显子和三个内含子 ,可编码 15 1个氨基酸。NGB在包括视网膜神经元在内的大多数中央和外周神经细胞中都有表达。生理条件下NGB呈亚铁脱氧六配位形态 ,具有较强的氧亲和能力。缺氧能够诱导NGB的表达 ,而高表达的NGB则能够保护神经元免受缺氧损伤 ,从而在神经系统缺氧、缺血损伤中具有重要的神经保护功能。对NGB保护神经元的机制进行深入研究 。
出处 《生理科学进展》 CAS CSCD 北大核心 2004年第3期233-236,共4页 Progress in Physiological Sciences
基金 国家重点基础研究发展计划 (973计划 ) (2 0 0 3CB715 90 0 ) 国家高技术研究发展计划 (86 3计划 ) (2 0 0 2AA2 340 2 1 2 0 0 2AA832 0 31) 国家海外青年学者合作研究基金(30 12 80 10 ) 国家自然科学基金重大专项 (30 393130 ) 国家自然科学基金重大研究计划
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参考文献10

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二级参考文献13

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