Endometriosis refers to as an estrogen-dependent disease.Estrogen receptorβ(ERB),the main estrogen receptor subtype which is encoded by the estrogen receptor 2(ESR2)gene,can mediate the action of estrogen in endometr...Endometriosis refers to as an estrogen-dependent disease.Estrogen receptorβ(ERB),the main estrogen receptor subtype which is encoded by the estrogen receptor 2(ESR2)gene,can mediate the action of estrogen in endometriosis.Although selective estrogen receptor modulators can target the ERβ,they are not specific due to the wide distribution of ERβ.Recently,long noncoding RNAs have been implicated in endometriosis.Therefore,we aim to explore and validate the downstream regulatory mechanism of ERβ,and to investigate the potential role of long intergenic noncoding RNA 1018(LINC01018)as a nonhormonal treatment for endometriosis.Our study demonstrates that the expression levels of ESR2 and LINCo1018 are increased in ectopic endometrial tissues and reveals a significant positive correlation between the ESR2 and LINCo1018 expression.Mechanistically,ERβdirectly binds to an estrogen response element located in the LINCO1018 promoter region and activates LINC01018 transcription.Functionally,ERβcan regulate the CDC25C/CDK1/CyclinB1 pathway and promote ectopic endometrial stromal cell proliferation via LINC01018 in vitro.Consistent with these findings,the knockdown of LINC01018 inhibits endometriotic lesion proliferation in vivo.In summary,our study demonstrates that the ERβ/LINC01018/CDC25C/CDK1/CyclinB1 signaling axis regulates endometriosis progression.展开更多
目的分析乙型肝炎病毒阳性(HBV+)肝细胞癌患者肝组织长链非编码RNA(long noncoding RNA,lncRNA)和信使RNA(messenger,mRNA)的共表达网络,探讨关键lncRNA的作用。方法下载GEO(GSE54238)lncRNA/mRNA表达谱芯片数据,通过生物信息数据分析...目的分析乙型肝炎病毒阳性(HBV+)肝细胞癌患者肝组织长链非编码RNA(long noncoding RNA,lncRNA)和信使RNA(messenger,mRNA)的共表达网络,探讨关键lncRNA的作用。方法下载GEO(GSE54238)lncRNA/mRNA表达谱芯片数据,通过生物信息数据分析方法获得不同临床进展阶段的肝细胞癌患者与正常人均具有显著差异的肝组织lncRNA、mRNA表达谱,并构建被DNA元素百科全书数据库(Encyclopedia of DNA Elements,ENCODE)收录的差异lncRNA-mRNA共表达网络。继而分析共表达网络中的mRNA参与的GO、KEGG;并分析与核心lncRNA高度相关的mRNA与患者生存曲线的相关性。结果与5个ENCODE收录的差异lncRNA具有共表达关系的mRNA共有81个(相关系数≥0.90)。lncRNA-mRNA共表达网络中的mRNA主要参与的GO通路有氧化还原、呼吸电子链传递和脂肪酸代谢过程;KEGG信号通路主要有脂肪酸降解、过氧化物酶体增殖物激活受体和β-丙氨酸代谢。与核心LINC01018(又名SRHC)、EHHADH-AS1和F11-AS1高度相关的mRNA SLC2A2、PCK2、EHHADH、F11、FM04和NR1I3与患者生存曲线具有极显著相关性(P<0.01)。结论 LINC01018、EHHADH-AS1、F11-AS1等lncRNA居于LncRNA-mRNA共表达网络的核心位置,在HBV+肝细胞癌发生、发展中具有关键作用,有望成为HBV+肝细胞癌新的诊断和预后指标。展开更多
基金the National Natural Science Foundation of China(82271676)for funding support.
文摘Endometriosis refers to as an estrogen-dependent disease.Estrogen receptorβ(ERB),the main estrogen receptor subtype which is encoded by the estrogen receptor 2(ESR2)gene,can mediate the action of estrogen in endometriosis.Although selective estrogen receptor modulators can target the ERβ,they are not specific due to the wide distribution of ERβ.Recently,long noncoding RNAs have been implicated in endometriosis.Therefore,we aim to explore and validate the downstream regulatory mechanism of ERβ,and to investigate the potential role of long intergenic noncoding RNA 1018(LINC01018)as a nonhormonal treatment for endometriosis.Our study demonstrates that the expression levels of ESR2 and LINCo1018 are increased in ectopic endometrial tissues and reveals a significant positive correlation between the ESR2 and LINCo1018 expression.Mechanistically,ERβdirectly binds to an estrogen response element located in the LINCO1018 promoter region and activates LINC01018 transcription.Functionally,ERβcan regulate the CDC25C/CDK1/CyclinB1 pathway and promote ectopic endometrial stromal cell proliferation via LINC01018 in vitro.Consistent with these findings,the knockdown of LINC01018 inhibits endometriotic lesion proliferation in vivo.In summary,our study demonstrates that the ERβ/LINC01018/CDC25C/CDK1/CyclinB1 signaling axis regulates endometriosis progression.
文摘目的分析乙型肝炎病毒阳性(HBV+)肝细胞癌患者肝组织长链非编码RNA(long noncoding RNA,lncRNA)和信使RNA(messenger,mRNA)的共表达网络,探讨关键lncRNA的作用。方法下载GEO(GSE54238)lncRNA/mRNA表达谱芯片数据,通过生物信息数据分析方法获得不同临床进展阶段的肝细胞癌患者与正常人均具有显著差异的肝组织lncRNA、mRNA表达谱,并构建被DNA元素百科全书数据库(Encyclopedia of DNA Elements,ENCODE)收录的差异lncRNA-mRNA共表达网络。继而分析共表达网络中的mRNA参与的GO、KEGG;并分析与核心lncRNA高度相关的mRNA与患者生存曲线的相关性。结果与5个ENCODE收录的差异lncRNA具有共表达关系的mRNA共有81个(相关系数≥0.90)。lncRNA-mRNA共表达网络中的mRNA主要参与的GO通路有氧化还原、呼吸电子链传递和脂肪酸代谢过程;KEGG信号通路主要有脂肪酸降解、过氧化物酶体增殖物激活受体和β-丙氨酸代谢。与核心LINC01018(又名SRHC)、EHHADH-AS1和F11-AS1高度相关的mRNA SLC2A2、PCK2、EHHADH、F11、FM04和NR1I3与患者生存曲线具有极显著相关性(P<0.01)。结论 LINC01018、EHHADH-AS1、F11-AS1等lncRNA居于LncRNA-mRNA共表达网络的核心位置,在HBV+肝细胞癌发生、发展中具有关键作用,有望成为HBV+肝细胞癌新的诊断和预后指标。
