空气污染物,遗传易感性和精神分裂症风险:大型前性研究
Run Liu1, Dankang Li1, Yudiyang Ma1
1Key Laboratory of Environment and Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
概括
长期暴露于PM2.5和氧化等空气污染物会增加精神分裂症的风险. 遗传易感性可以放大这些影响,突出了精神分裂症发展中的关键环境和遗传相互作用.
科学领域:
- 环境流行病学环境流行病学
- 精神病学遗传学 精神病学遗传学
- 公共卫生 公共卫生
背景情况:
- 有限且不一致的证据将空气污染与精神分裂症风险联系起来.
- 之前还没有研究过空气污染物和遗传因素对精神分裂症的综合影响.
- 了解这些相互作用对于公共卫生战略至关重要.
研究的目的:
- 调查长期空气污染暴露与精神分裂症风险之间的关联.
- 检查遗传敏感性是否会改变空气污染对精神分裂症风险的影响.
主要方法:
- 利用了来自485,288名参与者的英国生物库数据.
- 采用Cox的比例危险模型来评估时间变化的空气污染暴露.
- 计算了精神分裂症多基因风险评分 (PRS),以评估遗传易感性.
主要成果:
- 在暴露于PM2.5,PM10,NOx和NO2和精神分裂症风险之间发现了显著的相关性.
- 遗传因素与NO2/NOx污染物之间的相互作用对精神分裂症有显著影响.
- 高PRS和高空气污染的个体表现出发生精神分裂症的最高风险 (例如,PM2.5 HR=6.25).
结论:
- 对特定空气污染物的长期暴露与精神分裂症风险增加有关.
- 高基因易感性加剧了NO2和NOx暴露对精神分裂症发展的影响.
- 这些发现强调了考虑精神分裂症病因中的环境因素和遗传因素的重要性.
相关概念视频
01:29Biological Causes of Schizophrenia
51
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...
51
01:29Psychological and Sociocultural Causes of Schizophrenia
81
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...
81
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
541
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...
541
01:28Human Genetics
551
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...
551
02:59Cancer Prevention
6.1K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
6.1K
01:17Schizophrenia
72
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
72