Population modification of Anopheline species to control malaria transmission.

Population modification of Anopheline species to control malaria transmission.
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DOI:
10.1080/20477724.2018.1427192
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发表时间:
2017-12
影响因子:
3.4
通讯作者:
James AA
James AA
中科院分区:
医学4区
文献类型:
--
作者:
Carballar-Lejarazú R;James AA

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基于按蚊种群改变的病媒控制策略可能在根除疟疾议程中发挥重要作用。它们可以通过设置障碍来阻止寄生虫和致病媒介的重新引入来巩固消除成果,并允许将资源分配给新的控制地点,同时保持治疗区域无疟疾。合成生物学方法被用来产生转基因蚊子以改变种群数量。蚊子转基因、抗寄生虫效应基因的构建以及将有益基因快速渗入野生种群的基因驱动系统都存在原理验证。现在的主要挑战是开发可现场使用的蚊子品种,其中包含最大限度地提高安全性和有效性的功能,并指定从发现到开发的途径。我们为目标产品概况提出了三种途径和一个框架,以最大限度地提高安全性和有效性,同时满足疟疾传播的复杂性以及潜在最终用户和利益相关者的监管和社会多样性的要求。
Vector control strategies based on population modification of Anopheline mosquitoes may have a significant role in the malaria eradication agenda. They could consolidate elimination gains by providing barriers to the reintroduction of parasites and competent vectors, and allow resources to be allocated to new control sites while maintaining treated areas free of malaria. Synthetic biological approaches are being used to generate transgenic mosquitoes for population modification. Proofs-of-principle exist for mosquito transgenesis, the construction of anti-parasite effector genes and gene-drive systems for rapidly introgressing beneficial genes into wild populations. Key challenges now are to develop field-ready strains of mosquitoes that incorporate features that maximize safety and efficacy, and specify pathways from discovery to development. We propose three pathways and a framework for target product profiles that maximize safety and efficacy while meeting the demands of the complexity of malaria transmission, and the regulatory and social diversity of potential end-users and stakeholders.
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