SCI ADV:浙大唐睿康/王本团队研发出通用熊猫血

2020-03-22 MedSci原创 MedSci原创

RhD是红细胞(red blood cells, RBC)上最重要的免疫原性抗原之一。然而,RhD阴性血的供应在临床实践中经常面临严重的短缺,RhD抗原的正转负仍是一个巨大的挑战。

RhD是红细胞(red blood cells, RBC)上最重要的免疫原性抗原之一。然而,RhD阴性血的供应在临床实践中经常面临严重的短缺,RhD抗原的正转负仍是一个巨大的挑战。

最近,我国研究人员开发了另一种方法,使用表面锚定的框架来保护rhd阳性红细胞上的表位,这种方法很灵活,但可以在对细胞的物理化学影响最小的情况下获得最佳的屏蔽效果。

该化学框架完全阻断了细胞表面的RhD抗原,小鼠模型的输血和兔模型的人RhD阳性RBCs的免疫刺激评估证实了工程RBCs的RhD表位隐身特性。

这项工作为普遍改善输血的细胞表面提供了一种有效的方法,总体上显示了合理设计输血和移植医学的细胞表面工程的潜力。

 

原始出处:

Yueqi Zhao et al. Surface-anchored framework for generating RhD-epitope stealth red blood cells. Science Advances, 2020; DOI: 10.1126/sciadv.aaw9679

 

 

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