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Alzheimer患者血清中抗Aβ42自身抗体的纯化及鉴定 被引量:5

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摘要 目的:纯化并鉴定阿尔茨海默病(AD)患者血清中抗Aβ42自身抗体。方法:选择AD患者做为研究对象,采集血清标本,测定抗体含量,用饱和硫酸铵沉淀血清得到IgG粗品,Aβ42免疫亲和柱层析对粗品IgG进一步分离纯化,采用PAGE电泳和Western blot方法鉴定IgG纯度和免疫活性。结果:用CNBr活化Sephrose4B柱层析纯化出较高纯度的抗Aβ42自身抗体,纯度可达到90%。结论:CNBr活化Sephrose4B层析柱可有效地从人血清中纯化出较高纯度的抗Aβ42自身抗体,便于对自身抗体进一步研究,为AD的免疫治疗提供更多的信息。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2009年第1期53-54,57,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 广东省自然科学基金资助项目(7300973 7001284 20013137) 国家自然科学基金资助项目(30400512) 广东省社会发展项目(2005B10401047) 广州市科技计划项目(2004Z3-E0151)
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参考文献11

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共引文献25

同被引文献58

  • 1杨志勇,汪华侨,张革,林贤,谢瑶,袁群芳,姚志彬.国人外周血抗β-淀粉样蛋白抗体水平的依龄性变化[J].中山大学学报(医学科学版),2005,26(2):125-128. 被引量:8
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  • 3徐武华,陆兵勋,徐俊,王慕真,梁瑞华,何丽婵,東海林幹夫,松原悦朗.阿尔茨海默病自身抗Aβ抗体对血浆Aβ水平的影响[J].中华神经医学杂志,2006,5(6):559-561. 被引量:1
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二级引证文献6

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