在慢性压力下的小鼠中,TRP常规的4和/或5通道抑制降低了厌恶反应,增加了奖励反应
Giulia Poggi1, Deniz Queisser1, Alena Senn1
1Preclinical Laboratory, Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry and University of Zurich, Zurich, Switzerland.
British journal of pharmacology
|December 21, 2025
概括
抑制TRPC4/TRPC5通道减少了压力小鼠的厌恶记忆,并改善了奖励处理. 这表明TRPC4/TRPC5通道阻断剂在治疗厌恶和奖励缺陷方面的治疗潜力.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学 是一个学科.
- 分子生物学分子生物学
背景情况:
- TRPC4和TRPC5通道与厌恶记忆和杏仁体反应性有关.
- 这些通道的调节失调与压力和抑郁有关.
研究的目的:
- 研究TRPC4/TRPC5通道抑制的抗焦虑作用.
- 确定压力小鼠对奖励过程的影响.
- 提供TRPC4/C5通道在大脑中的分布的翻译证据.
主要方法:
- 使用慢性社会压力 (CSS) 的小鼠模型.
- 使用TRPC4/TRPC5通道抑制剂或载体.
- 使用RT-qPCR和FISH进行基因表达分析.
主要成果:
- TRPC4/TRPC5抑制减少了过度的帕夫洛夫厌恶学习在压力小鼠.
- 抑制剂增强了压力小鼠的奖励反应和动机.
- TRPC4和TRPC5基因在小鼠和人类杏仁体和海马体的谷氨酸神经元中被发现.
结论:
- 对TRPC4/TRPC5通道的抑制显示出对管理过度厌恶的治疗潜力.
- 这种抑制也可能纠正受损的奖励处理.
- 这些发现支持TRPC4/C5通道作为神经系统疾病的点.
相关概念视频
The Sympathetic Nervous System
Overview
Desensitization and Tachyphylaxis
Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
Several...
Several...
Introduction to Stress and Lifestyle
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...
Psychological Responses to Stress
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...
Stress Prevention and Stress Management Techniques III
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 risk...
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 risk...
Stress Prevention and Stress Management Techniques IV
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,...


