科学家发现引起阿尔茨海默病的β淀粉样蛋白病理或具传播性
Published:14 Jan.2019    Source:http://www.cncbd.org.cn/News/Detail/8094

2018年12月13日,英国伦敦大学朊病毒病研究所John Collinge教授团队在国际顶尖杂志Nature上在线发表了题为“Transmission of amyloid-β protein pathology from cadaveric pituitary growth hormone”的研究论文,该研究发现,引起阿尔茨海默病(Alzheimer disease,AD)的β淀粉样蛋白病理可通过医源性方式进行人际传播。

 

早在2015年,John Collinge教授团队就发现了“阿尔茨海默病可以传播”的证据。近日,该团队再次证实引起阿尔茨海默病的β淀粉样蛋白病理或可通过不当医疗操作进行人际间的传播。研究发现β淀粉样蛋白可像“种子”一样进行传播,在模型小鼠的脑内异常聚积,继而引起阿尔茨海默病的β淀粉样蛋白病理改变。

 

该成果将有助于阿尔茨海默病的预防和治疗,并充分评估β淀粉样蛋白病理在医学和外科手术中医源性感染的风险,为最大限度的杜绝医源性传播提供新的契机。

 

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