相关实验视频
Updated: Mar 10, 2026

11:05
Analysis of Oxidative Stress in Zebrafish Embryos
Published on: July 7, 2014
38.3K
在过重/肥胖的青少年中氧化应激
Marija Bozovic1, Barbara Ostanek2, Jelena Kotur-Stevuljević3
1Institute of Public Health of Montenegro, Podgorica, Montenegro.
Journal of medical biochemistry
|March 9, 2026
概括
患有肥胖的青少年表现出被破坏的氧化还原平衡,其特点是总氧化剂状态 (TOS) 增加和总抗氧化剂状态 (TAS) 降低. 氧化压力是这一群体肥胖的重要预测因素.
科学领域:
- 生物化学 生化学
- 儿科内分泌学 儿科内分泌学
- 代谢综合征是代谢综合征的一种.
背景情况:
- 肥胖的病理生理学及其与心脏代谢疾病的联系仍然不清楚.
- 有限的研究使用先进的统计方法探索了青少年的氧化应激和代谢生物标志物.
- 主要组件分析 (PCA) 提供了一种复杂的方法来研究这些复杂的关系.
研究的目的:
- 研究氧化应激,心脏代谢生物标志物和青少年肥胖之间的关系.
- 应用PCA来识别与这一人口群中的肥胖状况相关的关键因素.
- 阐明氧化还原平衡在青少年肥胖中的作用.
主要方法:
- 该研究包括68名青少年:34名超重/肥胖和34名正常体重的对照.
- 测量了总氧化剂状态 (TOS) 和总抗氧化剂状态 (TAS).
- 计算了亲氧化剂 (TOS/TAS比率) 和抗氧化剂 (TAS/TOS比率) 评分;应用PCA以确定有助于因素.
主要成果:
- 超重/肥胖的青少年显示TAS,TOS和亲氧化剂得分较高,抗氧化剂得分较低.
- 总氧化剂状态 (TOS) 是肥胖的最强预测因素.
- PCA确定了与肥胖相关的三个因素,其中第2因子 (ALT,AST) 和第3因子 (年龄,葡萄糖,总蛋白质,TOS) 显示了独立的关联.
结论:
- 青少年肥胖与被破坏的氧化还原平衡和增加的氧化压力有关.
- 肥胖与一组代谢异常有关.
- 迅速识别风险因素和战略干预对于打击青少年肥胖和相关疾病至关重要.
相关概念视频
Obesity
1.5K
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...
1.5K
Stress Prevention and Stress Management Techniques IV
301
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
301
Aging
929
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...
929
Exercise and Cardiovascular Response
4.8K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
4.8K
Introduction to Stress and Lifestyle
735
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
735
Oxygen Requirements and Growth Patterns
2.0K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
2.0K

