在第一发精神病和精神分裂症中降低补充C1q水平
Marja Koskuvi1, Susmita Malwade1, Jessica Gracias Lekander1
1Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
在精神分裂症患者中,补充成分C1q (C1q) 的mRNA和蛋白质水平较低. 这表明C1q可能在精神分裂症病理生理学中发挥作用,因此需要进一步调查其功能影响.
科学领域:
- 神经免疫学 神经免疫学
- 精神疾病 精神疾病
- 补充系统生物学
背景情况:
- 补充成分4A (C4A) 与精神分裂症中过度突触消除有关.
- 在突触移除中C4A的作用涉及C1q启动的经典补体激活通路.
- C1q在精神分裂症病理生理学中的具体参与尚未明确.
研究的目的:
- 研究C1q在精神分裂症中的作用.
- 在精神分裂症患者中分析C1qAmRNA表达.
- 测量第一发精神病患者脑脊液中的C1qA蛋白水平.
主要方法:
- 对大规模基因表达数据集的分析 (586名精神分裂症患者,986名对照).
- 向液体染色学-质谱学 (LC-MS) 用于量化脑脊液 (CSF) 中的C1qA.
- 研究包括113名第一发精神病 (FEP) 个体和87名健康对照.
主要成果:
- 在精神分裂症患者的前额叶皮层中观察到较低的C1QAmRNA表达 (P=4.8x10^-05).
- 在FEP患者中,CSF C1qA度显著降低 (P=0.0001).
- 即使排除了服用抗精神病药物的受试者 (P=0.0005),中枢神经液C1qA水平的降低仍然存在.
结论:
- 在精神分裂症中,C1q mRNA和蛋白质水平降低.
- 这些发现表明C1q在精神分裂症中的潜在作用.
- 需要进一步的研究来阐明C1q在精神分裂症中的功能影响.
更多相关视频
07:26High-resolution Melting PCR for Complement Receptor 1 Length Polymorphism Genotyping: An Innovative Tool for Alzheimer's Disease Gene Susceptibility Assessment
Published on: July 18, 2017
07:30Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
Published on: August 18, 2020
相关概念视频
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
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...
Negative and Cognitive Symptoms of Schizophrenia
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,...
Positive Symptoms Schizophrenia: Hallucinations and Delusions
Hallucinations
Hallucinations in...
Positive Symptoms of Schizophrenia: Hallucinations and Delusions
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
Psychological and Sociocultural Causes of Schizophrenia
