父亲的照顾独特地影响了男性的神经发育
Joshua S Danoff1,2, Erin N Ramos1,2, Taylor D Hinton1,2
1Department of Psychology, University of Virginia, Charlottesville, VA 22904.
概括
早期父母的高度照顾减缓了表观遗传衰老,并影响了全父母的行为. 男性的神经发育对父亲的照顾特别敏感,影响突触功能和行为.
科学领域:
- 神经科学是一个神经科学.
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 发展生物学 发展生物学
背景情况:
- 哺乳动物婴儿的生存和行为发展极其依赖于父母的照顾.
- 早期的生活经历,包括父母的照顾,显著塑造神经发育轨迹.
- 所有父母的行为,或对非后代的照顾,是一个复杂的特征,受到早期生活因素的影响.
研究的目的:
- 调查表观遗传和神经发育机制,将早期双亲关怀与全亲关怀行为联系起来.
- 确定家长护理的质量和组成如何影响基因表达和突触可塑性.
- 阐明早期父亲照顾对神经发育和行为的性别特异性影响.
主要方法:
- 对表观遗传衰老标志物的分析,以应对不同程度的早期父母照顾.
- 在核中进行基因表达分析,以识别差异表达的基因.
- 行为测试测量幼犬的回收作为一个指标的alloparenting行为.
- 检查家长照顾的组成,区分母亲和父亲的贡献.
主要成果:
- 在生命早期,父母的高度照顾与两性间的表观遗传衰老缓慢有关.
- 广泛的男性特异性差异性基因表达在核中,包括与突触传播和自闭症相关的基因.
- 高关怀的父亲促进了男性特异性的激发性突触和青少年幼检索行为的增加.
- 由高关怀父亲抚养的雌性表现出减少的幼取回行为.
结论:
- 早期的家长照顾计划以性别特定的方式分辨出神经发育轨迹.
- 男性的神经发育过程对父亲的护理质量特别敏感.
- 基因表观衰老和基因核中的基因表达是调解早期护理对行为影响的关键机制.
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