Viral Live-Attenuated Vaccines (LAVs): Past and Future Directions

文献类型: 外文期刊

第一作者: Tang, Yan-Dong

作者: Tang, Yan-Dong;Cai, Xue-Hui;Yin, Xin;Tang, Yan-Dong;Tang, Yan-Dong;Li, Yuming;Li, Yuming

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关键词: adaptation; attenuation; evolution; live attenuated vaccines (LAVs); pathogenicity

期刊名称:ADVANCED SCIENCE ( 影响因子:14.1; 五年影响因子:15.6 )

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年卷期: 2025 年 12 卷 3 期

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收录情况: SCI

摘要: Viral infections continue to pose a significant threat to the health of both humans and animals. Currently, live attenuated vaccines (LAVs) remain the most efficacious and widely utilized tool for combating viral infections. Conventional LAVs involve the adaptation of virulent viruses to novel hosts, cell cultures, or suboptimal environments, resulting in a reduction in pathogenicity while retaining immunogenicity. This process entails directed evolution of the virus to enhance its replication efficiency under these modified conditions. In this review, the development of traditional animal-adapted and cold-adapted LAVs is specially discussed. Additionally, the factors that contribute to virus attenuation from a viral lifecycle perspective are summarized. Finally, we propose future directions for next-generation LAVs.

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