dentification of Circular RNAs as a Novel Biomarker for Ovarian Endometriosis
dentification of Circular RNAs as a Novel Biomarker for Ovarian Endometriosis作者机构：Department of Obstetrics and Gynecology Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100730 China
出 版 物：《Chinese Medical Journal》 (中华医学杂志（英文版）)
年 卷 期：2018年第131卷第5期
页 面：559-566页
核心收录：
学科分类：0710[理学-生物学] 071010[理学-生物化学与分子生物学] 081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 0905[农学-畜牧学] 09[农学] 090501[农学-动物遗传育种与繁殖]
主 题：Circular RNA Endometriosis Microarray miRNA mRNA
摘 要：Background： Endometriosis is a challenging disease with symptoms such as dysmenorrhea and infertility. However, its etiology is still vague and there is still no effective markers or treatment. This study aimed to profile the circular RNAs （circRNAs） expressed in eutopic endometrium from patients with ovarian endometriosis and explore potential clues to the pathogenesis of endometriosis, providing an evidence for clinical diagnosis and treatment. Methods： A total of 63 clinical samples, including control endometrium 01 = 22） and eutopic endoxnetrium （n = 41）, were collected from Peking Union Medical College Hospital between May 1,2016, and December 31,2016. Of them, four samples in each group were used for circRNA microarray. Then, tbur upregulated circRNAs were screened out for quantitative real-time polymerase chain reaction （qRT-PCR） validation. After that, bioinformatics analysis was pertbrmed to predict miRNAs targeted by validated circRNAs and investigate the circRNA-miRNA-mRNA interactions. Results： Among 88 differentially expressed circRNAs, 11 were upregulated and 77 were downregulated in eutopic endometrium of patients with endometriosis, qRT-PCR validation results for two upregulated circRNAs （circ0004712 and circ_O002198） matched the microarray results. The area under the receiver operating characteristic curve of circ_0002198 for distinguishing ovarian endometriosis was 0.846 （95% confidence interval [C1]： 0.752-0.939; P 〈 0.001 ） while that ofcitv_O004712 was 0.704 （95% CI： 0.571-0.837; P = 0.008）. On the basis of target prediction, we depicted the molecular interactions between the identified circRNAs and their dominant target miRNAs, as well as constructed a circRNA-miRNA-mRNA network. Conclusions： This study provides evidence that circRNAs are differentially expressed between eutopic and normal endometrium, which suggests that circRNAs are candidate factors in the activation ofendometriosis, circ_0002198 and circ0004712 may be potential novel biomar
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