相关实验视频
Updated: Jan 29, 2026

21:24
Methylated DNA Immunoprecipitation
Published on: January 2, 2009
24.2K
基因甲基化及其在个性化营养中的作用:机制,临床见解和未来前景
Syed Ammar Hussain1, Majher I Sarker1, Yanhong Liu1
1Eastern Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, 600 E. Mermaid Lane, Wyndmoor, PA 19038, USA.
International journal of molecular sciences
|January 28, 2026
概括
饮食和生活方式显著影响DNA甲基化,影响健康和衰老. 了解这些表观遗传变化可以导致个性化的营养,以改善代谢健康和寿命.
科学领域:
- 表观遗传学和营养科学
- 分子生物学和基因组学
背景情况:
- 基因甲基化是关键的表观遗传机制,将饮食等环境因素与基因调节联系起来.
- 饮食,生物活性化合物,遗传学和生活方式共同影响人类甲基组,影响新陈代谢,疾病风险和衰老.
研究的目的:
- 审查DNA甲基化的分子机制.
- 综合当前关于营养素和饮食模式如何调节甲基化的知识.
- 讨论基因型特异性反应和精准营养方面的进展.
主要方法:
- 文献综述综合了当前关于DNA甲基化的知识.
- 分子和生化机制的分析.
- 检查来自人类临床试验和多omics数据的发现.
主要成果:
- 饮食和生活方式因素是DNA甲基化模式的关键决定因素.
- 营养干预显示了调节甲基化动态的潜力.
- 遗传背景显著影响个人对饮食表观遗传修饰的反应.
结论:
- 基因甲基化作为饮食和健康之间的动态接口.
- 在表观遗传学和多组学方面的进步支持个性化的营养策略.
- 伦理考虑和未来的研究对于实施表观遗传测试和个性化营养至关重要.
相关概念视频
The Roles of Bacteria and Fungi in Plant Nutrition
47.2K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
47.2K
Psychodynamic Perspectives on Personality
1.6K
The psychodynamic perspective in psychology asserts that most personality functions operate unconsciously, outside of awareness. This means that the motives and emotions driving behavior often remain hidden, automatically buried in the unconscious mind as a defense mechanism to shield us from psychological distress. According to this theory, the unconscious mind contains thoughts, memories, and emotions that are too disturbing to face directly.
Psychodynamic theorists argue that unconscious...
Psychodynamic theorists argue that unconscious...
1.6K
The Behavioral Perspective on Personality
813
Behaviorists view personality as primarily shaped by environmental reinforcements and consequences. According to this perspective, behavior is influenced by external stimuli, and individuals adjust their actions based on rewards and punishments. Over time, learning histories — accumulated patterns of reinforcement — play a significant role in shaping personality. Behaviors that lead to positive outcomes are reinforced, while those resulting in negative outcomes are diminished.
813
Social Cognitive Perspective on Personality
1.0K
Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
1.0K
Changes in Skin Color: Clinical Perspectives
3.5K
The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
3.5K
Carl Rogers' Humanistic Perspective on Personality
2.0K
Carl Rogers, a key figure in humanistic psychology, believed that individuals possess an innate potential for growth and fulfillment. According to his model of personality, three significant components define an individual: the organism, the self, and conditions of worth.
The organism refers to an individual's inherent blueprint, which Rogers saw as innately positive and directed toward helping others, unlike Freud's view of the id as driven by base impulses. The self is a person's...
The organism refers to an individual's inherent blueprint, which Rogers saw as innately positive and directed toward helping others, unlike Freud's view of the id as driven by base impulses. The self is a person's...
2.0K

