Vaccination in the elderly: an immunological perspective.

Vaccination in the elderly: an immunological perspective.
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DOI:
10.1016/j.it.2009.05.002
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发表时间:
2009-07
影响因子:
16.8
通讯作者:
Sztein MB
Sztein MB
中科院分区:
医学1区
文献类型:
--
作者:
Chen WH;Kozlovsky BF;Effros RB;Grubeck-Loebenstein B;Edelman R;Sztein MB

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成功地为老年人接种疫苗以预防导致高发病率和死亡率的重要传染性病原体,已成为日益重要的公共卫生优先事项。基于衰老和免疫衰老的主题,我们回顾了人类免疫衰老的机制以及对当前许可的疫苗的免疫反应。我们讨论了识别除了衰老之外还导致免疫衰老的危险因素的困难,并解决了老年人疫苗研究相对缺乏的问题。我们的结论是,与健康的年轻人相比,老年人的疫苗反应减弱。然而,同样清楚的是,我们对免疫衰老机制的理解是有限的,为了提高下一代疫苗的有效性,仍有许多东西需要学习。
Successful vaccination of the elderly against important infectious pathogens which cause high morbidity and mortality represents a growing public health priority. Building upon the theme of aging and immunosenescence, we review mechanisms of human immunosenescence and the immune response to currently-licensed vaccines. We discuss the difficulties in identifying the risk factors that, in addition to aging, cause immunosenescence and address the relative paucity of vaccine studies in the elderly. We conclude that vaccine responses are blunted in the elderly when compared to that of healthy young adults. However, it is also clear that our understanding of the mechanisms underlying immunosenescence is limited and much remains to be learned in order to improve the effectiveness of next generation vaccines.
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