-L-茶氨酸复合物可以保护肝脏和肠道免受慢性可变压力造成的损伤
Kazim Sahin1, Mehmet Yabas2, Cemal Orhan1
1Department of Animal Nutrition, Faculty of Veterinary Medicine, https://ror.org/05teb7b63Firat University, Elazig23119, Türkiye.
The British journal of nutrition
|November 26, 2025
概括
-L-茶氨酸 (Mg-T) 能防止慢性可变压力 (CVS) 引起的肝脏和肠道损伤. 补充Mg-T改善了大鼠的代谢,肝脏和肠道健康,显示了与压力有关的疾病的治疗潜力.
科学领域:
- 生物医学科学 生物医学科学
- 营养科学 营养科学
- 压力生理学 压力生理学
背景情况:
- 慢性压力会引发不良健康结果,包括代谢功能障碍,肝损伤 (肝硬化症) 和肠道屏障破坏.
- 慢性变量压力 (CVS) 是一种用于研究长期压力的生理影响的模型.
- -L-theanine (Mg-T) 是一种组合补充剂,具有潜在的减压特性.
研究的目的:
- 在大鼠模型中研究-L-theanine (Mg-T) 对慢性可变压力 (CVS) 诱导的肝脏和肠道损伤的保护作用.
- 评估Mg-T在减轻压力诱导的代谢障碍,包括葡萄糖和甘油三水平的剂量依赖的疗效.
- 评估Mg-T对肠道屏障完整性,营养物质运输和肝脏脂质代谢的影响.
主要方法:
- 56只大鼠接受了慢性可变压力 (CVS) 治疗,并接受了不同剂量的-L-theanine (Mg-T) (0, 100, 200, 400 mg/kg) 治疗.
- 评估的参数包括体重,血清生物化学标志物 (葡萄糖,胰岛素,皮质,甘油三,),肝脂含量,以及与新陈代谢,肠道屏障功能和营养物质运输相关的关键蛋白质的表达.
- 对肠道组织进行了组织学分析,以评估的高度,密室深度和炎症.
主要成果:
- CVS诱导了体重,胰岛素,,肠道屏障蛋白质和营养物质输送物的显著减少.
- 补充Mg-T的剂量依赖性改善了这些参数,降低了葡萄糖,皮质和甘油三水平,同时缓解了肝脏和肠道损伤.
- 组织学检查显示Mg-T减轻了CVS诱导的小缩短,减少了密室深度,并减少了炎症. 它还恢复了肠道屏障蛋白 (Claudin-1,Occludin,ZO-1),粘膜蛋白 (MUC-2) 和营养物质运输体 (SGLT1,GLUT2).
- Mg-T减弱的CVS诱导的肝脏甘油三和脂质标记物 (SREBF1,FASN) 和上调代谢调节剂 (PPARγ,SIRT-1) 的增加.
结论:
- -L-theanine (Mg-T) 显示出显著的保护作用,防止慢性可变压力 (CVS) 引起的代谢,肝脏和肠道障碍.
- 补充Mg-T可以恢复肠道屏障功能和营养物质运输体表达,这些营养物质因慢性压力而受到损害.
- 这些发现凸显了Mg-T作为治疗干预的潜力,用于管理与慢性压力相关的健康问题.
相关概念视频
Physiological Foundation of Stress
523
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Role of the Sympathetic Nervous System
Adrenaline triggers the...
523
Stress Response System
627
The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's...
Alarm stage
In the alarm stage, the body's...
627
Stress Prevention and Stress Management Techniques III
291
Regular exercise and meditation serve as essential tools in managing stress and promoting physical and mental well-being.
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
The Role of Exercise in Stress Management
Regular physical activity is essential for reducing stress and promoting cardiovascular health. Exercise strengthens the heart, enhances blood flow, keeps blood vessels flexible, and helps lower blood pressure, all of which reduce the body's stress response. Research shows that adults who exercise regularly have nearly half the...
291
Stress Prevention and Stress Management Techniques IV
217
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,...
217
Stress Prevention and Stress Management Techniques VI
227
Adopting a healthier lifestyle often requires overcoming significant challenges, but leveraging psychological, social, and cultural resources can facilitate meaningful change. Effective self-change hinges on understanding and applying key tools such as motivation and goal setting, which help sustain efforts toward long-term health benefits.
Motivation and Self-Determination
Motivation, the driving force behind behavior, plays a pivotal role at every stage of the change process. The research...
Motivation and Self-Determination
Motivation, the driving force behind behavior, plays a pivotal role at every stage of the change process. The research...
227
Stress Concentrations
601
Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller...
601


