Related Experiment Video
Updated: Sep 28, 2025
07:56
A Plate-Based Assay for the Measurement of Endogenous Monoamine Release in Acute Brain Slices
Published on: August 11, 2021
3.4K
Trace amine-associated receptor 1 and drug abuse
Ruyan Wu1, Jianfeng Liu2, Jun-Xu Li3
1Medical College of Yangzhou University, Yangzhou, China; Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, NY, United States.
Advances in Pharmacology (San Diego, Calif.)
|March 28, 2022
Summary
Trace amine-associated receptor 1 (TAAR1) activation inhibits drug-induced dopamine transmission and reduces drug abuse behaviors. TAAR1 shows promise as a therapeutic target for treating drug addiction.
Area of Science:
- Neuroscience
- Pharmacology
- Addiction Research
Background:
- Trace amine-associated receptor 1 (TAAR1) is broadly expressed in brain monoaminergic systems, including the ventral tegmental area (VTA) and nucleus accumbens (NAc).
- TAAR1 plays a key role in modulating dopamine (DA) transmission, influencing behaviors related to drug abuse.
Purpose of the Study:
- To investigate the role of TAAR1 in modulating monoaminergic systems and drug abuse-like behaviors.
- To explore the potential of TAAR1 as a therapeutic target for addiction treatment.
Main Methods:
- Studies suggest TAAR1 activation inhibits rewarding effects of various drugs (psychostimulants, opioids, alcohol).
- TAAR1 activation reduces drug-induced increases in dopamine accumulation.
Main Results:
- TAAR1 activation inhibits drug-induced dopamine transmission and drug abuse-related behaviors.
- Hypothesized mechanisms involve TAAR1 interaction with dopamine transporter (DAT) and dopamine D2 receptors (D2).
Conclusions:
- TAAR1 is a potential therapeutic target for treating drug addiction.
- Further research is needed to explore TAAR1's role in other drug abuse behaviors and its long-term safety and efficacy.
Related Concept Videos
01:15Drug Abuse and Addiction: Pharmacological Phenomena
766
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
766
01:21Drugs Affecting Neurotransmitter Release or Uptake
1.3K
Certain drugs can affect how neurotransmitters called catecholamines, are released or taken back up in the adrenergic neuron. They can have different effects on the body's sympathetic transmission. Reserpine, a natural compound found in the Rauwolfia shrub, blocks a transporter called vesicular monoamine transporter (VMAT), which leads to a buildup of catecholamines in the cell and reduces sympathetic transmission. Another drug called guanethidine works in multiple ways, including blocking...
1.3K
01:24CNS Stimulants: Cocaine, Amphetamines and Cannabinoids
360
CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its...
360
01:17Drug Dependence
1.2K
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
1.2K
01:26Physical Properties of Amines
3.5K
Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.
3.5K
01:25Drug-Receptor Interaction: Agonist
3.0K
Agonists are drugs that interact with specific receptors in the body to produce a biological response. When an agonist binds to a receptor, it activates or enhances the receptor's function, leading to physiological effects. The interaction between agonist drugs and receptors is crucial for their therapeutic action in various medical treatments.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous...
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous...
3.0K