相关实验视频

Updated: Jun 12, 2025

Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity

Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity

Published on: July 1, 2014

白物质微观结构和基于炎症的亚组在双相情感障碍II型抑郁症中不同于抑郁和精神病症状

Yuan Cao¹, Paulo Lizano², Meng Li³

¹Department of Nuclear Medicine, West China Hospital of Sichuan University, Chengdu 610041, China; Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena 07743, Germany; Department of Radiology and Huaxi MR Research Center (HMRRC), Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu 610041, PR China.

Journal of affective disorders

|September 19, 2024

概括

双相情绪障碍II型抑郁症 (BDII-D) 中的炎症和白质 (WM) 变化与具有不同精神症状的不同亚组有关. 这些发现表明WM变化和炎症在BDII-D病理生理学中起作用.

科学领域:

神经科学是一个神经科学.
精神病学是一个精神病学.
医疗成像医学成像

背景情况:

双极性障碍II型抑郁症 (BDII-D) 与炎症和白质 (WM) 微观结构损伤有关.
这些因素与BDII-D中的特定精神症状之间的关系尚不清楚.

研究的目的:

根据炎症和WM微观结构的相互作用,在BDII-D内识别子组.
为了研究精神病症状在这些已识别的子组之间如何不同.

主要方法:

基于管道的空间统计 (TBSS) 将146名BDII-D患者和151名健康对照 (HC) 之间的WM完整性进行了比较.
部分相关性和正规相关性分析探讨了WM完整性,炎症标志物 (干白素-6,C反应蛋白) 和精神症状之间的关联.
在BDII-D队列中,K-意味着对BDII-D队列中定义的WM微结构性炎症子组进行聚类.

主要成果:

与HC患者相比,BDII-D患者在关键神经回路 (例如,前丘脑辐射,环) 中表现出显著的WM变化.
较低的WM完整性 (微分异型,轴向扩散性) 在特定的轨道与高的炎症标志物相关.
一个不同的亚组 (亚组II) 具有较高的炎症和较差的WM完整性的特征,表现出更严重的精神症状.

结论:

在BDII-D中WM的改变是局部化在情绪神经回路内,并与系统性炎症有关.
不同的WM炎症小组显示出不同的精神病症状概况.
这些发现强调了WM变化和炎症作为BDII-D.病理生理学的潜在关键机制.

关键词:

双极II型抑郁症是双极II型抑郁症.规范性相关性分析 (canonical correlation analysis) 是一种分析方法.炎症性细胞因子是炎症性细胞因子.K-表示集群.一个子集团的子集团.白质是白质的组成部分.

更多相关视频

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

相关概念视频

Bipolar Disorder

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.

Depression: Overview

Depression: Overview

Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...

Depressive Disorders: Etiology

Depressive Disorders: Etiology

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...