mRNA 技术在登革热病毒疫苗开发中的机遇与挑战

Xiaoyang Liu, Daniel Salmon
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摘要

登革热病毒(DENV)是一种由蚊子传播的病毒,严重危害人类健康。每年有 3.9 亿人感染登革热,其中 9600 万人出现临床症状,严重的登革热可导致出血性登革热(DHF)和登革热休克综合征(DSS)等危及生命的病症。美国食品和药物管理局批准的唯一疫苗登革热疫苗(Dengvaxia)存在抗体依赖性增强(ADE)的局限性,需要谨慎用药。最近,世卫组织于 2024 年预先批准了 TAK-003 疫苗,这凸显了目前为改进疫苗选择所做的努力。本综述探讨了登革热疫苗研发的最新进展,强调了基于 mRNA 的疫苗的潜在效用。通过研究当前的临床试验数据和创新,我们旨在确定有前景的战略,以解决现有疫苗的局限性并加强全球登革热预防工作。
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Opportunities and challenges of mRNA technologies in development of Dengue Virus Vaccine
Dengue virus (DENV) is a mosquito-borne virus with a significant human health concern. With 390 million infections annually and 96 million showing clinical symptoms, severe dengue can lead to life-threatening conditions like dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). The only FDA-approved vaccine, Dengvaxia, has limitations due to antibody-dependent enhancement (ADE), necessitating careful administration. The recent pre-approval of TAK-003 by WHO in 2024 highlights ongoing efforts to improve vaccine options. This review explores recent advancements in dengue vaccine development, emphasizing potential utility of mRNA-based vaccines. By examining current clinical trial data and innovations, we aim to identify promising strategies to address the limitations of existing vaccines and enhance global dengue prevention efforts.
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