Related Experiment Video
Updated: Mar 9, 2026
05:14
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
Published on: September 8, 2021
4.8K
GSK-3β Interacts with Dopamine D1 Receptor to Regulate Receptor Function: Implication for Prefrontal Cortical D1
Jing-Ru Wang1, Pei-Hua Sun1, Zhao-Xiang Ren1
1Jiangsu Key Laboratory of Translational Research and Therapy for Neuro-Psycho-Diseases, Soochow University, Suzhou, Jiangsu, China.
CNS Neuroscience & Therapeutics
|December 21, 2016
Summary
Glycogen synthase kinase 3 beta (GSK-3β) directly interacts with dopamine D1 receptors (D1R), modulating its function. This interaction is impaired in an animal model of schizophrenia, suggesting a novel therapeutic target.
Area of Science:
- Neuroscience
- Molecular Biology
- Pharmacology
Background:
- Dopamine D1 receptor (D1R) dysfunction in the prefrontal cortex is linked to schizophrenia symptoms.
- Understanding D1R modulation is crucial for treating cognitive deficits and negative symptoms.
Purpose of the Study:
- To investigate the physical interaction between D1R and GSK-3β.
- To elucidate the functional modulation of D1R by GSK-3β.
Main Methods:
- Co-immunoprecipitation assays in cultured cells and brain tissues.
- Inhibition of GSK-3β using pharmacological agents.
- Assessment of D1R activation, desensitization, and endocytosis.
- Analysis in an NMDA antagonist-induced animal model of schizophrenia.
Main Results:
- D1R and GSK-3β physically interact at the C-terminal S(417)PALS(421) motif.
- GSK-3β inhibition impairs D1R activation, desensitization, and endocytosis.
- Reduced GSK-3β activity and D1R-GSK-3β association observed in a schizophrenia animal model.
Conclusions:
- GSK-3β is identified as a novel interacting protein regulating D1R function.
- A new mechanism of GSK-3β-mediated D1R regulation is revealed.
- This pathway may underlie D1R dysfunction in schizophrenia, offering potential therapeutic targets.
Related Concept Videos
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
2.3K
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
2.3K
01:29Biological Causes of Schizophrenia
881
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
881
01:30Attention-Deficit/Hyperactivity Disorder
1.2K
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
1.2K
01:37Neural Regulation
43.9K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
43.9K
01:28Human Genetics
1.8K
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
1.8K