产前暴露于寨卡病毒会扰乱幼的社会情绪发育和皮质视觉功能
Karla K Ausderau1,2, Ben Boerigter1, Elaina R Razo3
1Department of Kinesiology, University of Wisconsin-Madison, Madison, WI, USA.
Nature communications
|January 28, 2026
概括
产前暴露于寨卡病毒 (ZIKV) 可以导致婴儿的发育延迟. 这项对的研究表明,ZIKV本身,而不是母性因素,驱动这些神经发育结果.
科学领域:
- 神经科学是一个神经科学.
- 病毒学 病毒学
- 发展生物学 发展生物学
背景情况:
- 产前暴露于寨卡病毒 (ZIKV) 存在从严重的出生缺陷到微妙的发育迟缓的风险.
- 基于ZIKV对婴儿神经发育的影响的确切机制在很大程度上是未知的.
- rhesus 提供了一个转化模型来研究 ZIKV 对产前和生命早期发展的影响.
研究的目的:
- 通过使用 rhesus macaque 模型,研究婴儿在第一季度ZIKV 暴露后的神经发育结果.
- 评估母亲感染特征和先前登革热病毒 (DENV) 暴露对ZIKV诱导的发育影响的影响.
- 为了评估视觉,听觉和行为结果,直到12个月大.
主要方法:
- 怀孕的 rhesus (无病毒或 DENV 暴露) 的第一季度 ZIKV 接种与不同的 ZIKV 血统.
- 监测母体病毒血,胎盘病毒载量和中和抗体标位.
- 评估婴儿视觉唤起的潜力,听觉功能和行为发展 (依恋,新奇反应) 在3个月和12个月的年龄.
主要成果:
- 暴露于ZIKV的婴儿在12个月时表现出改变了母亲的依恋行为,并减少了对新兴刺激的抑制.
- 3个月后观察到视觉唤起潜力的暂时损伤,在12个月后正常化.
- 虽然听力损失在暴露于ZIKV的婴儿中更频繁,但它没有达到统计学意义.
- 孕产妇病毒血,胎盘负担和抗体标位与婴儿发育结果没有相关性.
结论:
- 独立于母亲的因素,ZIKV暴露本身是观察到的神经发育变化的主要驱动因素.
- 母亲生物标志物在预测产前ZIKV暴露后婴儿风险方面有限.
- 未来的研究和干预应优先考虑ZIKV研究中的婴儿专注的发育结果.
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