视网膜细胞架构在精神病谱中的改变及其与认知相关:英国生物库嵌套病例对照研究
Erik Velez-Perez1,2,3,4, Cemal Demirlek3,4, Victor Zeng3
1School of Medicine, Ponce Health Sciences University, Ponce, PR, USA.
Molecular psychiatry
|November 15, 2025
概括
患有精神病谱系障碍 (PSD) 的人表现出较薄的视网膜层,特别是光受体层,与记忆力较差有关. 这些发现表明视网膜结构是PSD认知缺陷的潜在生物标志物.
科学领域:
- 神经科学是一个神经科学.
- 眼科医生 眼科 眼科
- 精神病学是一个精神病学.
背景情况:
- 视网膜结构的改变可以作为精神病谱系障碍 (PSD) 和认知功能的生物标志物.
- 之前的研究表明可能存在联系,但需要进行更大规模的,精心控制的研究来证实这些关联.
研究的目的:
- 调查PSD和健康对照 (HC) 个体之间的视网膜厚度差异.
- 探索特定视网膜层厚度与PSD认知表现之间的关联.
主要方法:
- 一个嵌套的病例控制研究利用英国生物库数据从476名参与者.
- 斑点光学连贯断层扫描 (OCT) 用于评估视网膜厚度.
- 进行了统计分析 (ANCOVA),控制社会人口统计,眼睛和健康共变量,不包括心脏代谢疾病.
主要成果:
- 与HC相比,患有PSD的个体表现出较薄的斑块,质细胞内部的形和光受体层.
- 降低光受体层厚度与较差的潜在记忆性能有显著的关联.
- 精神分裂症和双相情感障碍群体在光受体层中表现出最明显的变化.
结论:
- 患有PSD的个体在突触,状细胞和光受体层中表现出结构性改变.
- 眼睛和健康因素,特别是心脏代谢障碍,可能会导致这些视网膜变化.
- 在PSD中光受体层的变化可能与视觉处理和记忆缺陷背后的神经生物学机制有关.
相关概念视频
Biological Causes of Schizophrenia
472
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...
472
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
1.8K
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...
1.8K
Psychological and Sociocultural Causes of Schizophrenia
459
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
459


