在亚洲人口中,生活方式因素,生理条件和表观遗传年龄加速之间的关联
Yu-Ru Wu1, Wan-Yu Lin2,3,4
1Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Room 501, No. 17, Xu-Zhou Road, Taipei, 100, Taiwan.
Biogerontology
|February 5, 2025
概括
生活方式和生理因素显著影响亚洲成年人的表观遗传衰老加速 (EAA). 吸烟,BMI和HbA1c与更快的生物衰老有关,而HDL-C和血红蛋白表明衰老速度较慢.
科学领域:
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 老年学是一门学科.
- 生物标志物 生物标志物
背景情况:
- 基于DNA甲基化 (DNAm) 的表观遗传钟估计了生物年龄.
- 在亚洲人群中,生活方式,生理因素和表观遗传衰老加速 (EAA) 之间的关联尚未得到充分理解.
研究的目的:
- 探索生活方式因素,生理条件和台湾队列中的各种表观遗传标记之间的关系.
- 确定表观遗传年龄加速和减速的关键预测因素.
主要方法:
- 利用了2474名台湾生物库参与者 (年龄在30-70岁) 的数据.
- 进行了部分相关性分析和模型选择 (Akaike信息标准),以确定29个因素和表观遗传标记之间的显著关联.
- 评估了多个EAA标志物,包括HannumEAA,IEAA,PhenoEAA,GrimEAA,以及基于DNAm的吸烟包年.
主要成果:
- 29个因素与至少一个表观遗传标志物显著相关.
- 最好的解释是15个因素 (包括性别,BMI,WHR,吸烟,HbA1c,HDL-C,肌,尿酸,GT,血红蛋白和细胞类型比例),占其变化的44.7%.
- 吸烟,升高的HbA1c,BMI,WHR,GGT和尿酸与EAA增加有关,而较高的HDL-C和血红蛋白与表观遗传衰老 (EAD) 相关.
结论:
- 生活方式和生理因素在研究的亚洲人口的表观遗传衰老中发挥着重要作用.
- 确定了与加速和减缓生物衰老相关的特定生物标志物和生活方式选择.
- 研究结果提供了对影响生物衰老和健康的可修改因素的见解.
相关概念视频
Aging
36
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
36
Epigenetic Regulation
30.9K
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
30.9K
Gene-Environment Interactions
246
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
246
Nature and Nurture
20.4K
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
20.4K
Human Genetics
528
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
528
Longitudinal Research
11.8K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
11.8K


