全球分布和Aedes aegypti中抗击性突变对甲状腺耐药性的影响
Javier Tognarelli1,2, Pablo R Moya1,3,4, Christian R González5
1Genómica UV, Escuela de Medicina, Universidad de Valparaíso, Valparaíso, Chile.
Parasites & vectors
|September 24, 2025
概括
由于kdr突变,Aedes aegypti蚊子正在对甲状腺杀虫剂产生耐药性,这对疾病控制具有挑战性. 综合的载体管理对于打击这种日益严重的威胁至关重要.
科学领域:
- 医学昆虫学 医学昆虫学
- 分子昆虫学分子昆虫学
- 公共卫生 昆虫学 昆虫学
背景情况:
- 蚊子对甲状腺杀虫剂的耐药性对控制蚊子传播的诸如登革热,寨卡病毒和 chikungunya 等疾病构成重大挑战.
- 电压通道 (Vgsc) 基因中的抗击耐药性 (kdr) 突变是这种抗虫剂耐药性的主要驱动因素,在全球范围内患病率各不相同.
研究的目的:
- 审查Aedes aegypti中kdr突变的全球分布.
- 了解kdr突变患病率与甲状腺杀虫剂使用模式之间的关系.
- 识别了解昆虫杀虫剂耐药机制和管理策略的研究缺口.
主要方法:
- 这项研究是对现有科学文献的叙事性审查.
- 它综合了不同地理区域的kdr突变频率和类型的数据.
- 它分析了铁甲状腺使用对这些突变的进化和传播的影响.
主要成果:
- 在全球范围内已经确定了各种各样的kdr突变,包括V1016I,F1534C和日益显著的L982W.
- 多个kdr突变的同时发生可以导致增强的耐药性表型.
- 关于kdr突变与代谢抵抗机制的相互作用以及对标准化数据收集的需求,存在重大研究缺口.
结论:
- 广泛的甲类药物使用推动了Aedes aegypti中kdr突变的全球传播,损害了目前的载体控制有效性.
- 尽管耐药性强,但铁对蚊子控制至关重要,因此需要综合的载体管理方法.
- 未来的研究必须解决发现的差距,重点是纵向研究和新型杀虫剂/耐药性管理策略,以保护公共健康.
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