在下丘脑养中心的DNA甲基化和肥胖症
Chiharu Yoshikawa1, Winda Ariyani1, Daisuke Kohno1
1Metabolic Signal Research Center, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi, Japan.
Journal of obesity & metabolic syndrome
|December 21, 2023
概括
饮食等环境因素通过表观遗传修饰影响肥胖,特别是大脑养中心的DNA甲基化. 这篇评论探讨了下丘脑中的DNA甲基化如何推动肥胖的发展.
科学领域:
- 分子生物学分子生物学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 神经科学是一个神经科学.
- 肥胖研究的研究.
背景情况:
- 全球肥胖率正在上升,主要是由饮食和运动等环境因素驱动的.
- 将环境因素与肥胖联系在一起的精确分子途径尚未完全理解.
- 表观遗传修饰,特别是DNA甲基化,是介导环境影响对基因表达和表型的关键机制.
研究的目的:
- 审查DNA甲基化在下丘脑养中心中的作用.
- 探索DNA甲基化作为将环境因素与肥胖发展联系起来的潜在机制.
- 突出营养和代谢物对DNA甲基化模式的影响,这与能量平衡有关.
主要方法:
- 文献综述侧重于表观遗传修饰,特别是DNA甲基化.
- 分析研究的分析研究DNA甲基化在下丘脑养中心的调查.
- 包括从条件淘汰赛小鼠对表观遗传酶的研究中获得的数据.
主要成果:
- 环境因素,包括饮食,改变DNA甲基化模式.
- 在下丘脑养中心的DNA甲基化会影响Pomc和Npy等关键基因.
- 研究表明,下丘脑中的DNA甲基化对于维持能量恒温至关重要.
结论:
- 在下丘脑养中心的DNA甲基化是介导环境影响肥胖的一个重要机制.
- 改变的DNA甲基化模式会影响基因表达,导致能量平衡和体重的变化.
- 对下丘脑DNA甲基化的进一步研究可能会揭示肥胖的新型治疗点.
相关概念视频
Regulation of Food Intake
239
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
239
Epigenetic Regulation
3.0K
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
3.0K
Obesity
507
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
507
Genomic Imprinting and Inheritance
34.5K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
34.5K


