The impact of immuno-aging on SARS-CoV-2 vaccine development.

The impact of immuno-aging on SARS-CoV-2 vaccine development.
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免疫老化对SARS-CoV-2疫苗开发的影响

DOI:
10.1007/s11357-021-00323-3
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发表时间:
2021-03
期刊:
影响因子:
5.6
通讯作者:
Haddad EK
Haddad EK
中科院分区:
医学1区
文献类型:
--
作者:
Connors J;Bell MR;Marcy J;Kutzler M;Haddad EK

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截至2020年11月,SARS-CoV-2大流行有近5600万确诊病例,导致超过130万人死亡。这种感染已被证明对老年人(>65岁)和免疫功能低下的人更致命。全世界65岁及以上的人口正在增加,到2050年,老年人总数将超过65岁以下的人。衰老与免疫功能下降和炎症慢性激活有关,这有助于增强病毒易感性和降低对疫苗接种的反应。在这里,我们简要回顾了病毒的致病性,流行病学和临床反应,以及人类衰老在改善疫苗接种的潜在机制。我们回顾了目前使用新型疫苗平台和佐剂系统改善老年人疫苗接种的方法。最后,我们总结了现有的SARS-CoV-2疫苗临床试验,并讨论了如何解决免疫系统老化带来的疫苗开发的独特挑战。
The SARS-CoV-2 pandemic has almost 56 million confirmed cases resulting in over 1.3 million deaths as of November 2020. This infection has proved more deadly to older adults (those >65 years of age) and those with immunocompromising conditions. The worldwide population aged 65 years and older is increasing, and the total number of aged individuals will outnumber those younger than 65 years by the year 2050. Aging is associated with a decline in immune function and chronic activation of inflammation that contributes to enhanced viral susceptibility and reduced responses to vaccination. Here we briefly review the pathogenicity of the virus, epidemiology and clinical response, and the underlying mechanisms of human aging in improving vaccination. We review current methods to improve vaccination in the older adults using novel vaccine platforms and adjuvant systems. We conclude by summarizing the existing clinical trials for a SARS-CoV-2 vaccine and discussing how to address the unique challenges for vaccine development presented with an aging immune system.
DOI: 10.1038/mtm.2016.30
发表时间: 2016
期刊: Molecular therapy. Methods & clinical development
影响因子: --
作者:
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发表时间: 2012-01-17
期刊: VACCINE
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