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人健康肝组织刀豆凝集素(Con A)结合型糖蛋白组学研究 被引量:5

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摘要 通过凝集素亲和层析技术结合双向电泳-质谱技术构建人健康肝组织Con A结合型糖蛋白数据库并进行生物信息学分析;利用研磨和匀浆两步法抽提人健康肝组织总蛋白,通过固相凝集素亲和层析获得与刀豆凝集素(Con A)结合型糖蛋白,经过双向电泳、荧光染色、图像分析获得人健康肝组织表达谱;通过MALDI-TOF-MS质谱鉴定及生物信息学分析获得人健康肝组织数据库,并建立了高重复性的人健康肝组织Con A结合型糖蛋白表达谱,图谱均点数为301±15,挖取139个蛋白点进行质谱鉴定,去冗余后确定了85个与细胞周期、代谢通路相关的蛋白质;通过NetNGlyc和NetOGlyc对糖基化位点进行预测,并按照geneontology对其功能定位等进行分类,并对其中与肿瘤发生发展相关的蛋白进行具体分析.由此可见,凝集素亲和层析结合2-DE,质谱鉴定是一种高通量的检测方法,Con A结合型糖基化修饰谱的构建为后续研究奠定了基础.
出处 《中国科学(C辑)》 CSCD 北大核心 2006年第6期543-551,共9页 Science in China(Series C)
基金 国家重点基础研究发展规划项目(973)资助(批准号:2004CB520802)
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参考文献12

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