期刊
NATURE REVIEWS DRUG DISCOVERY
卷 19, 期 4, 页码 239-252出版社
NATURE PORTFOLIO
DOI: 10.1038/s41573-019-0056-x
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资金
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [ZIAAI005003] Funding Source: NIH RePORTER
Seasonal influenza vaccines lack efficacy against drifted or pandemic influenza strains. Developing improved vaccines that elicit broader immunity remains a public health priority. Immune responses to current vaccines focus on the haemagglutinin head domain, whereas next-generation vaccines target less variable virus structures, including the haemagglutinin stem. Strategies employed to improve vaccine efficacy involve using structure-based design and nanoparticle display to optimize the antigenicity and immunogenicity of target antigens; increasing the antigen dose; using novel adjuvants; stimulating cellular immunity; and targeting other viral proteins, including neuraminidase, matrix protein 2 or nucleoprotein. Improved understanding of influenza antigen structure and immunobiology is advancing novel vaccine candidates into human trials. Current seasonal influenza vaccines lack efficacy against drifted or pandemic virus strains, and the development of novel vaccines that elicit broader immunity represents a public health priority. Here, Nabel and colleagues discuss approaches to improve vaccine efficacy which harness new insights from influenza antigen structure and human immunity, highlighting major targets, vaccines in development and ongoing challenges.
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