Schizophrenia is a common and complex psychiatric disorder. Significant evidence has suggested that genetic factors play pivotal roles in the etiology of schizophrenia. More than 100 schizophrenia candidate genes have been reported; however, many of them do not have satisfactory replications among different populations. Among these genes, RELN is thought to be associated with schizophrenia in many populations, suggesting it is a real risk gene for this disorder. Identified in the GWAS study, single nucleotide polymorphism (SNP) rs7341475, located in intron 4 of RELN, has been successfully replicated in subsequent investigations, implying its potential contribution to schizophrenia susceptibility. To investigate the association of rs7341475 with schizophrenia in Chinese populations, a case-control association analysis was conducted with samples from Yuxi (400 cases and 400 controls) in southwestern China. The results do not indicate any association of rs7341475 with schizophrenia, which suggests it is not a risk SNP for schizophrenia in Han Chinese.
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RELN rs7341475 Associates with Brain Structure in Japanese Healthy Females.
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Although temperament has been regarded as an innate aspect of human personality, its association with proteins involved in embryonic development is unclear. Reelin, encoded by RELN, plays an important role in brain development. Herein, we investigated the association between the RELN rs7341475 (G/A) single nucleotide polymorphism, detected as a female-specific risk factor for schizophrenia, brain structure, and temperament to elucidate the role of RELN in the development of human personality.
View Article and Find Full Text PDFAssociation Between REELIN Gene Polymorphisms (rs7341475 and rs262355) and Risk of Schizophrenia: an Updated Meta-analysis.
J Mol Neurosci
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Department of Pharmacy, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh.
Schizophrenia (SCZ) is a destructive neuropsychiatric illness affecting millions of people worldwide. The correlation between RELN gene polymorphisms and SCZ was investigated by previous researches, though the results remained conflicting. Based on the available studies, we conducted this meta-analysis to provide a more comprehensive outcome on whether the RELN gene polymorphisms (rs7341475 and rs262355) are associated with SCZ.
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Mol Biol Rep
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Department of Psychiatry, Faculty of Medicine, University of Kocaeli, Kocaeli, Turkey.
RELN gene encodes a large extracellular matrix protein which is critical for neuronal migration, cell positioning and cell-cell interactions. It also controls the synaptic plasticity of neurons for initiation and maintenance of long term potentiation. The aim of this study is to investigate the association of RELN rs7341475 variant with schizophrenia.
View Article and Find Full Text PDF[Relationships of rs7341475 polymorphism and DNA methylation in the reelin gene with schizophrenia symptoms].
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National Institute on Drug Dependence, Peking University, Beijing, China; School of Basic Medical Science, Peking University, Beijing, China; Beijing Key Laboratory on Drug Dependence Research, Beijing, China; The State Key Laboratory of Natural and Biomimetic Drugs, Beijing, China; Key Laboratory for Neuroscience of the Ministry of Education and Ministry of Public Healthy, Beijing, China. Electronic address:
Reelin is a critical extracellular matrix glycoprotein and implicated in neurodevelopment and psychiatric disorders in animal model studies. The genetic polymorphism of RELN has also been reported to be associated with several psychiatric disorders, but the results remain controversial. Here, we conducted meta-analyses of RELN gene SNPs and related neuropsychiatric disorders (schizophrenia, autistic spectrum disorders, attention-deficit hyperactivity disorder, Alzheimer's disease and bipolar disorders).
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