The alterations of circular RNA expression in plasma exosomes from patients with schizophrenia

发病机制 小RNA 小桶 微泡 生物 环状RNA 下调和上调 基因 计算生物学 生物信息学 遗传学 基因表达 转录组 免疫学
作者
Guifeng Tan,Li Wang,Yunyun Liu,Han Zhang,Wenhui Feng,Zhonglin Liu
出处
期刊:Journal of Cellular Physiology [Wiley]
卷期号:236 (1): 458-467 被引量:34
标识
DOI:10.1002/jcp.29873
摘要

Abstract Schizophrenia (SZ) is characterized by a high morbidity and disability rate and has gradually increased in rate and caused much burden. However, the pathogenesis of SZ is elusive and may include changes in the biological molecules in exosomes. In this study, we first compared the alterations of plasma exosomal circular RNAs (exo‐circRNAs) from SZ patients and matched health controls by high‐throughput sequencing. We further explored whether plasma exo‐circRNAs can be estimable targets for researching the pathogenesis, potential diagnostic biomarkers, and therapeutic strategy of SZ. A total of 44 plasma exo‐circRNAs were differentially expressed between SZ patients and matched Health Controls, including 38 upregulated circRNAs and six downregulated circRNAs (fold change ≥2; p < .05). Eight differentially expressed circRNAs were verified by quantitative real‐time polymerase chain reaction, and four out of eight circRNAs were positively confirmed and contained binding sites to many microRNAs. Bioinformatics analysis, including Gene Ontology analysis and Kyoto Encyclopedia of Genes and Genomes pathway analysis, showed that these differentially expressed circRNAs played potential roles in pathogenesis, especially regarding the metabolic process, stress response, and histone ubiquitination. In conclusion, this study supplies a new window for understanding the pathogenesis of SZ at molecular levels, and serves as a tool for better exploring potential diagnostic biomarkers and the therapeutic strategy for SZ.
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