相关实验视频
Updated: Jan 20, 2026

Transcutaneous Microcirculatory Imaging in Preterm Neonates
Published on: December 31, 2015
在早产儿的表观遗传年龄和神经发育结果
Rhandi Christensen1,2, Chaini Konwar3,4,5, Beryl C Zhuang3,4,5
1Department of Pediatrics, University of Toronto and The Hospital for Sick Children, Toronto, ON, Canada.
过早出生婴儿的表观遗传年龄加速与3岁时改善的认知和运动技能有关. 这突出了表观遗传修饰作为影响神经发育结果的关键因素在这个脆弱的人群.
科学领域:
- 儿科神经发育 儿童神经发育
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 围产儿医学 围产儿医学
背景情况:
- 过早分娩 (<32周怀孕) 与显著的神经发育挑战有关.
- 表观遗传年龄是一种生物标志物,可以提供对发育轨迹的见解.
- 了解表观遗传年龄的预测因素对于识别有风险的早产婴儿至关重要.
研究的目的:
- 确定早产婴儿表观遗传年龄的预测因素.
- 检查3岁时表观遗传年龄差异 (EAD) 和神经发育结果之间的关联.
- 探索临床因素和性别对表观遗传年龄的影响.
主要方法:
- 对102名怀孕24-32周出生的婴儿进行前性队列研究.
- 用小儿皮表观遗传钟确定表观遗传年龄.
- 在3岁时进行了神经发育评估 (贝利-III) 和多变量回归分析.
主要成果:
- 新生儿发病率与表观遗传年龄减缓 (低EAD) 有关.
- 性别改变的EAD与早产,视网膜病变和感染有关;男性的EAD (加速) 较高.
- 3年后更高的EAD与更好的认知和运动得分相关.
结论:
- 表观遗传年龄加速与早产儿的认知和运动结果的增强有关.
- 表观遗传修饰在早产婴儿的神经发育变异性中起着重要作用.
更多相关视频
14:43A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
Published on: January 12, 2018
05:13Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes
Published on: February 28, 2025
相关概念视频
06:27Transcutaneous Microcirculatory Imaging in Preterm Neonates
14:43A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
05:13Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes
The Born-Haber Cycle
11:29Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
Epigenetic Regulation