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NATURE:SARS-CoV-2的抗体依赖性增强的可能性

2020-07-15 MedSci原创 MedSci原创

疾病的抗体依赖性增强(ADE)的可能性是疫苗和抗体疗法发展过程中的一个普遍关注的问题,因为作为抗体保护基础的机制在理论上有可能放大病毒感染或引发免疫病理。

疾病的抗体依赖性增强(ADE)的可能性是疫苗和抗体疗法发展过程中的一个普遍关注的问题,因为作为抗体保护基础的机制在理论上有可能放大病毒感染或引发免疫病理。

在SARS-CoV-2大流行的这一关键时刻,我们更需要认真回顾与疾病ADE风险相关的观察。

目前,还没有任何临床发现、免疫学测定或生物标志物可以将任何严重的病毒感染与免疫增强型疾病区分开来,无论是通过抗体、T细胞还是宿主内在反应。

体外系统和动物模型并不能预测疾病的ADE风险,部分原因是保护性和潜在有害的抗体介导机制是相同的,设计动物模型取决于了解抗病毒宿主反应如何在人体内变得有害。

我们对此的认知缺乏会带来以下两个方面的影响。首先,我们迫切需要全面的研究来确定对SARS-CoV-2保护性免疫的临床相关性。其次,由于我们无法可靠地预测接种疫苗或用抗体治疗后的疾病ADE,无论什么病毒是致病菌,随着COVID-19疾病免疫干预的推进,对人体安全性的细致分析将是至关重要的。

 

原始出处:

Ann M. Arvin et al. A perspective on potential antibody-dependent enhancement of SARS-CoV-2, NATURE (2020).

 

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    2021-02-16 hukaixun
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    2021-02-23 liye789132251
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    2020-08-27 14818eb4m67暂无昵称

    学习了

    0

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    2020-07-17 小刀医生

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