在自闭症中改变皮层复杂性的分子结构
Makliya Mamat1, Yiyong Chen2, Wenwen Shen3
1School of Basic Medical Sciences, Health Science Center, Ningbo University, No. 818 Fenghua Road, Jiangbei District, Ningbo, 315211, Zhejiang, People's Republic of China.
Molecular autism
|January 6, 2025
概括
自闭症谱系障碍 (ASD) 涉及与特定遗传途径相关的大脑结构变化. 整合基因表达和MRI数据揭示了关键大脑网络中的皮质复杂性改变,为ASD提供了洞察力.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 发展生物学 发展生物学
背景情况:
- 自闭症谱系障碍 (ASD) 带来了社会,沟通和行为方面的挑战.
- 自闭症神经发育异常的潜在分子机制尚未完全理解.
- 以前的研究还没有完全整合宏观和微观的大脑数据来探索ASD的遗传基础.
研究的目的:
- 研究与ASD皮层复杂性改变相关的分子机制和遗传途径.
- 整合神经成像 (MRI) 和基因表达数据,以全面了解ASD.
- 确定特定的大脑网络和生物功能受ASD遗传因素的影响.
主要方法:
- 集成的微观大脑基因表达数据与 1829 名参与者 (ASD 和对照) 的宏观MRI 数据.
- 利用碎形维度来量化皮层复杂性并确定区域变化.
- 采用了部分最小平方回归,细胞特异分析和蛋白质-蛋白质相互作用网络分析.
主要成果:
- 在特定的大脑网络 (脑,视觉,体力运动,注意力) 中,在ASD参与者中发现了皮层复杂性的显著区域变化.
- 发现了与皮层复杂性变化相关的基因组,丰富了突触传输,可塑性,线粒体功能障碍和染色体组织.
- 通过细胞特异性和网络分析阐明了动态分子景观,突出了遗传途径的参与.
结论:
- 与ASD相关的皮质复杂性的改变与特定的遗传途径密切相关.
- 神经成像和转录基因数据的整合提供了对ASD中大脑结构遗传贡献的更深入的理解.
- 这些发现强调了研究分子机制的重要性,以揭示ASD的神经发育异常.
相关概念视频
01:19Autism Spectrum Disorder
58
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
58
01:32Assembly of Complex Microtubule Structures
1.8K
Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
1.8K
01:26Modeling in Therapy
44
Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
44
01:29Biological Causes of Schizophrenia
42
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...
42
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
427
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...
427
01:30Attention-Deficit/Hyperactivity Disorder
36
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....
36