成年期的慢性压力会导致微血管功能障碍和随后的类似抑郁症的行为
Xiaochen Zhang1,2, Yaru Wang1,2, Song Xue1,2
1Research Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China.
Scientific reports
|October 14, 2024
概括
在慢性压力模型中,微血管功能障碍与抑郁有关,而不是宏血管功能障碍. 改善微循环可能提供新的抑郁症治疗方法.
科学领域:
- 神经科学是一个神经科学.
- 心血管科学 心血管科学
- 精神病学是一个精神病学.
背景情况:
- 抑郁症是一种常见的精神障碍,原因不明,治疗难.
- 心血管风险因素与抑郁症风险增加有关,但血管损伤的作用尚不清楚.
- 了解血管贡献对于新型抑郁症疗法至关重要.
研究的目的:
- 在已建立的动物抑郁症模型中研究血管系统功能.
- 为了确定微血管或宏血管功能障碍是否与类似抑郁症的行为有关.
- 探索内皮氧化合成酶在抑郁症发展中的作用.
主要方法:
- 在慢性不可预测的轻度压力 (CUMS),慢性社会失败压力 (CSDS) 和母亲分离 (MS) 模型中利用了超声波和激光多普勒测量.
- 评估了血管功能和类似抑郁症的行为 (无情,绝望).
- 检查了内皮氧化合成酶缺乏 (eNOS+/-) 的小鼠.
主要成果:
- 在CUMS和CSDS模型中观察到微血管功能障碍,但不是MS.
- 微循环功能障碍与类似抑郁症的行为相关,并参与其在CUMS和CSDS中的发展.
- eNOS+/-小鼠表现出类似抑郁症的行为,先有微血管功能障碍,通过增强氧化可以逆转.
结论:
- 微血管功能障碍在慢性压力引起的成人抑郁症中起着关键作用.
- 准微血管功能代表了抑郁症的潜在治疗策略.
- 这项研究强调了血管健康与精神健康之间的联系.
更多相关视频
相关概念视频
Stress and Mental Health
81
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
81
Psychoneuroimmunology: Diabetes and Cancer
24
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
24
Psychoneuroimmunology: Cardiovascular Disease
25
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
25
Introduction to Stress and Lifestyle
86
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...
86
Psychological Responses to Stress
45
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
45
Stress Prevention and Stress Management Techniques IV
26
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,...
26


