前额叶皮层中CNNM2表达的减少会影响感觉运动门功能,认知,树突性脊柱形态发生和精神分裂症的风险
Dan-Yang Zhou1,2, Xi Su3,4, Yong Wu5,6
1Yunnan Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China.
概括
研究人员确定CNNM2是与精神分裂症风险相关的关键基因. 在小鼠和神经元中降低了CNNM2水平,损害了认知功能和改变了神经元结构,证实了它在精神分裂症发病过程中的作用.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 分子生物学分子生物学
背景情况:
- 全基因组关联研究 (GWAS) 已经确定了许多与精神分裂症相关的单核酸多态 (SNP).
- 这些遗传关联背后的特定基因和分子机制在很大程度上是未知的.
研究的目的:
- 在10q24.32-33 GWAS位点识别与精神分裂症相关的基因,具有改变的mRNA和蛋白质表达.
- 调查发现的基因CNNM2在神经元功能和精神分裂症相关的内分类型中的功能作用.
主要方法:
- 使用表达QTL (eQTL) 和蛋白质QTL (pQTL) 数据集进行了基于定量特征位置 (QTL) 和总结数据的门德尔随机化 (SMR) 分析.
- 基因表达,蛋白质水平和改变基因表达的功能后果在人类大脑组织,主要神经元和小鼠模型中进行了评估.
- 使用了单细胞RNA测序 (scRNA-seq) 和蛋白质组学分析.
主要成果:
- 编码转运器的基因CNNM2被确定为10q24.32-33位置的强大的精神分裂症风险基因.
- 在人类神经元中,CNNM2的表达很高. 在小鼠中降低的Cnnm2损害了认知和感觉运动门.
- 皮层神经元中的Cnnm2减少改变了树突脊柱形态发生,蛋白质组学揭示了神经元结构和功能相关蛋白质的变化.
结论:
- CNNM2 是一个重要的基因,与精神分裂症的发病有关.
- 对CNNM2表达的改变与与精神分裂相关的特定认知和结构缺陷有关.
- CNNM2代表了精神分裂症的潜在治疗目标.
相关概念视频
01:29Biological Causes of Schizophrenia
77
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...
77
01:30Negative and Cognitive Symptoms of Schizophrenia
65
Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
65
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
737
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...
737