在焦虑和相关疾病的GABAergic影响
Indu Arora1, Pankaj Mal1, Poonam Arora1
1Chitkara College of Pharmacy, Chitkara University, Punjab, India.
Biochemical and biophysical research communications
|June 12, 2024
概括
焦虑症涉及到影响情绪反应的大脑电路不平衡. 减少GABAergic活性和杏仁体中改变的GABAA受体与病理性焦虑有关.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 分子生物学分子生物学
背景情况:
- 焦虑障碍源于失调的大脑电路,调节对威胁的情绪反应.
- 关键电路涉及杏仁体活动和前额叶皮层的调节控制.
- GABAergic系统功能障碍与焦虑和抑郁有关.
研究的目的:
- 审查焦虑障碍的神经解剖学和神经电路基础.
- 探索GABAergic信号传递和GABAA受体在焦虑中的作用.
- 为了确定抗焦虑药物治疗的潜在分子标.
主要方法:
- 在科学数据库 (PubMed,ScienceDirect,Web of Science,Google Scholar) 中进行文献搜索.
- 关键词包括"焦虑"",压力"",神经解剖学"和"神经回路".
- 分析来自人类功能成像和动物研究的证据.
主要成果:
- 在焦虑症和抑郁症中观察到减少GABAergic活性.
- 抑郁症患者皮质区域的GABA水平较低.
- 动物的GABAA/B受体表达的降低诱导了类似焦虑的行为.
- 杏仁体中的GABAergic内部神经元调节焦虑反应.
- GABAA受体全位是二类药物和巴比图拉特的目标.
结论:
- 在GABAergic信号和GABAA受体组成的改变有助于减少神经元抑制在病理性焦虑.
- 对GABAA受体全位的调节失调可能是焦虑症的基础.
- 了解这些机制可以为开发新型焦虑缓解疗法提供信息.
更多相关视频
07:51Inhibitory Synapse Formation in a Co-culture Model Incorporating GABAergic Medium Spiny Neurons and HEK293 Cells Stably Expressing GABAA Receptors
Published on: November 14, 2014
17.4K
14:40Optogenetic Manipulation of Neuronal Activity to Modulate Behavior in Freely Moving Mice
Published on: October 27, 2020
18.2K
相关概念视频
01:30Generalized Anxiety Disorder
107
Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
107
01:29Anxiolytic Drugs: Benzodiazepines and Buspirone
679
Benzodiazepines are a class of anxiolytic drugs known for their rapid efficacy and high therapeutic-to-lethal dose ratio, but with a potential risk of drug dependence. These drugs are lipophilic, allowing for rapid absorption after oral administration, eventually reaching the central nervous system (CNS). Once in the CNS, benzodiazepines bind to the allosteric site of the GABAA receptor. This binding enhances the inhibitory effects of the neurotransmitter GABA. By doing so, they prevent...
679
01:26Anxiolytic Drugs: Overview
272
Anxiolytic drugs are vital in managing anxiety disorders by effectively alleviating symptoms such as excessive fear, tachycardia, and tremors. There are several classes of anxiolytic medications, each with unique mechanisms of action and potential side effects.
Primary Types of Anxiolytic Drugs
1. Benzodiazepines:
Benzodiazepines bind to the GABA-A receptor in the brain, enhancing GABA's interaction. This action reduces neurotransmission, effectively blocking anxiety-associated limbic...
Primary Types of Anxiolytic Drugs
1. Benzodiazepines:
Benzodiazepines bind to the GABA-A receptor in the brain, enhancing GABA's interaction. This action reduces neurotransmission, effectively blocking anxiety-associated limbic...
272
01:18Antiepileptic Drugs: GABAergic Pathway Potentiators
385
γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for...
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for...
385
01:18Anxiety: Overview
265
Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
265
01:14CNS Depressants: Barbiturates and Benzodiazepines
250
CNS depressants include drugs from the category of barbiturates and benzodiazepines. They are valuable medications for managing anxiety disorders and insomnia. Barbiturates, once used to induce and maintain sleep, have been replaced mainly by benzodiazepines due to barbiturate's toxicity, tolerance, and overdose risks. They interact with GABAA receptors, leading to sedation at low doses and potentially coma and death at higher doses. Phenobarbital, a long-acting barbiturate, possesses...
250