Strategies & recent development of transmission-blocking vaccines against Plasmodium falciparum.

Strategies & recent development of transmission-blocking vaccines against Plasmodium falciparum.
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DOI:
10.4103/0971-5916.191927
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发表时间:
2016-06
期刊:
The Indian journal of medical research
影响因子:
--
通讯作者:
Singh N
Singh N
中科院分区:
其他
文献类型:
--
作者:
Chaturvedi N;Bharti PK;Tiwari A;Singh N

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传播阻断疟疾疫苗旨在阻断蚊子体内寄生虫性阶段的发育和成熟。在模型系统中显示出传播阻断免疫的疫苗候选抗原(Pfs 25、Pfs 48/45、Pfs 230)处于不同的开发阶段。这些抗原具有免疫原性,遗传多样性有限。pfs 25是一种领先的候选药物,目前正在进行I期临床试验。现在的努力集中在使用安全佐剂和优化能够诱导强烈免疫应答的疫苗递送系统的有效抗原的成本效益生产上。本文综述了恶性疟原虫性期疟疾疫苗候选抗原的潜在用途、开发策略、挑战、临床试验和现状,以开发传播阻断疫苗。
Transmission blocking malaria vaccines are aimed to block the development and maturity of sexual stages of parasite within mosquitoes. The vaccine candidate antigens (Pfs25, Pfs48/45, Pfs230) that have shown transmission blocking immunity in model systems are in different stages of development. These antigens are immunogenic with limited genetic diversity. Pfs25 is a leading candidate and currently in phase I clinical trial. Efforts are now focused on the cost-effective production of potent antigens using safe adjuvants and optimization of vaccine delivery system that are capable of inducing strong immune responses. This review addresses the potential usefulness, development strategies, challenges, clinical trials and current status of Plasmodium falciparum sexual stage malaria vaccine candidate antigens for the development of transmission-blocking vaccines.
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发表时间: 1999-11-01
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