Related Experiment Video
Updated: May 15, 2025
08:55
Rab10 Phosphorylation Detection by LRRK2 Activity Using SDS-PAGE with a Phosphate-binding Tag
Published on: December 14, 2017
14.9K
Gene Polymorphisms of Parkinson's Disease Risk Locus and Idiopathic REM Sleep Behavior Disorder
Min Zhong1, Yang Jiao1, Aonan Zhao1
1Department of Neurology and Institute of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
Biomedicines
|April 29, 2025
Summary
Genetic factors in idiopathic rapid eye movement sleep behavior disorder (iRBD) were analyzed in a southern Chinese population. Specific gene variants in SH3GL2 and COMT were linked to iRBD risk, suggesting a shared genetic basis with Parkinson's disease.
Area of Science:
- Genetics
- Neurology
- Sleep Medicine
Background:
- Genetic factors are implicated in idiopathic rapid eye movement sleep behavior disorder (iRBD).
- Previous genetic studies on iRBD are limited, particularly in specific ethnic populations.
- Understanding genetic links may elucidate disease mechanisms and shared predispositions with other neurological disorders like Parkinson's disease (PD).
Purpose of the Study:
- To investigate Parkinson's disease (PD)-related genetic loci in idiopathic rapid eye movement sleep behavior disorder (iRBD).
- To analyze genetic variations in a southern Chinese cohort.
- To explore potential genetic overlap between iRBD and PD.
Main Methods:
- Genotyping and allele frequency analysis were performed on 292 PD patients, 62 iRBD patients, and 189 healthy controls (HC).
- Candidate genes were identified from the Parkinson's Progression Markers Initiative (PPMI) database.
- Statistical analyses, including ROC curves and Kaplan-Meier plots, were used to assess the diagnostic and predictive value of identified single-nucleotide polymorphisms (SNPs).
Main Results:
- Two significant SNPs associated with iRBD were identified: rs13294100 in SH3GL2 and rs165599 in COMT.
- Specific genotypes of COMT rs165599 correlated with lower REM Sleep Behavior Disorder Questionnaire (RBDSQ) scores and higher sleep efficiency in iRBD patients.
- Potential shared genetic roles were observed for COMT rs165599 and MCCC1 rs12637471 in both PD and iRBD, with SNCA rs356181 showing differences between iRBD and PD.
Conclusions:
- SH3GL2 and COMT genetic loci are associated with iRBD risk in the southern Chinese population and may serve as potential biomarkers.
- Evidence suggests a partial genetic overlap between iRBD and PD, indicating a shared genetic predisposition.
- Further research into these genetic links could improve understanding and diagnosis of iRBD and its relationship with neurodegenerative diseases.
More Related Videos
Related Concept Videos
01:15REM Sleep Behavior Disorder
115
REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
RBD is significantly associated with...
115
01:15Parkinson's Disease: Overview
342
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
342
01:24Parkinson's Disease: Treatment
161
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
161
01:37Neural Regulation
39.0K
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.
39.0K
01:28Human Genetics
485
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...
485
01:05Single Nucleotide Polymorphisms-SNPs
13.7K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
13.7K