Over-representation of potential SP4 target genes within schizophrenia-risk genes.

Over-representation of potential SP4 target genes within schizophrenia-risk genes.
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DOI:
10.1038/s41380-021-01376-8
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发表时间:
2022-03
影响因子:
11
通讯作者:
Zhou, Xianjin
Zhou, Xianjin
中科院分区:
医学1区
文献类型:
--
作者:
Zhou, Xianjin

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SP4表达的减少会导致SP4基因缺陷小鼠的年龄依赖性的海马空泡化和许多其他中间表型的精神分裂症。最近来自精神分裂症外显子组测序Meta分析(SCHEMA)和全基因组关联研究(GWAS)的人类遗传学研究证实,SP4是一种精神分裂症风险基因,具有外显子范围或基因组范围的意义。人类SP4基因截断对精神分裂症的优势比为9.37(3.38-29.7)。尽管成功识别了许多精神分裂症的危险基因,但这些危险基因在精神分裂症的发展过程中是否以及如何相互作用尚不清楚。通过利用SP4转录因子结合的GC盒的特异性定位,我分析了这些GC盒在精神分裂症风险基因近端启动子区域的相对丰度。我发现包含GC-box的基因在精神分裂症的危险基因中明显过度表达,这表明SP4不仅是精神分裂症的高危基因,而且可能通过这些GC-box在精神分裂症的发病机制中发挥网络中心的作用,调节许多其他精神分裂症危险基因。
Reduction of Sp4 expression causes age-dependent hippocampal vacuolization and many other intermediate phenotypes of schizophrenia in Sp4 hypomorphic mice. Recent human genetic studies from both the Schizophrenia Exome Sequencing Meta-Analysis (SCHEMA) and the Genome-Wide Association Study (GWAS) validated SP4 as a schizophrenia-risk gene over the exome-wide or the genome-wide significance. Truncation of the human SP4 gene has an odds ratio of 9.37 (3.38–29.7) for schizophrenia. Despite successful identification of many schizophrenia-risk genes, it is unknown whether and how these risk genes may interact with each other in the development of schizophrenia. By taking advantage of the specific localization of the GC-boxes bound by SP4 transcription factors, I analyzed the relative abundance of these GC-boxes in the proximal promoter regions of schizophrenia-risk genes. I found that the GC-box containing genes are significantly over-represented within schizophrenia-risk genes, suggesting that SP4 is not only a high-risk gene for schizophrenia, but may also act as a hub of network in the regulation of many other schizophrenia-risk genes via these GC-boxes in the pathogenesis of schizophrenia.
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