Coordinative control of G2/M phase of the cell cycle by non-coding RNAs in hepatocellular carcinoma

被引:15
作者
Shi, Jun [1 ]
Ye, Guangqiang [2 ]
Zhao, Guoliang [2 ]
Wang, Xuedong [1 ]
Ye, Chunhui [2 ]
Thammavong, Keooudone [2 ]
Xu, Jing [2 ]
Dong, Jiahong [1 ]
机构
[1] Tsinghua Univ, Sch Clin Med, Beijing Tsinghua Changguang Hosp, Dept Hepatobiliary & Pancreas Surg, Beijing, Peoples R China
[2] Guangxi Med Univ, Affiliated Hosp 1, Nanning, Peoples R China
基金
中国国家自然科学基金;
关键词
Hepatocellular carcinoma cells; Microarray; miRNA; lncRNA; mRNA; CANCER STATISTICS; GENE; EXPRESSION; MITOSIS; MYT1;
D O I
10.7717/peerj.5787
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Objective: To investigate the interaction of non-coding RNAs (ncRNAs) in hepatocellular carcinoma. Methods: We compared the ncRNAs and mRNAs expression profiles of hepatocellular carcinoma and adjacent tissue by microarray and RT-PCR. The relationship between different ncRNAs and mRNA was analyzed using bioinformatics tools. A regulatory model of ncRNAs in hepatocellular carcinoma cells was developed. Results: A total of 1,704 differentially expressed lncRNAs, 57 miRNAs, and 2,093 mRNAs were identified by microarray analyses. There is a co-expression relationship between two ncRNAs (miRNA-125b-2-3p and lncRNA P26302). Bioinformatics analysis demonstrated cyclin-dependent kinases 1 and CyclinA2 as potential targets of miR-125b-2-3p and Polo-like kinase 1 as potential target of lncRNAP26302. All three gene are important components in the G2/M phase of cell cycle. Subsequently real-time polymerase chain reaction (PCR) studies confirmed these microarray results. Conclusion: MiR-125b-2-3p and lncRNAP26302 may affect the G2/M phase of the cell cycle through the regulation of their respective target genes. This study shows a role of ncRNAs in pathogenesis of hepatocellular carcinoma at molecular level, providing a basis for the future investigation aiming at early diagnosis and novel treatment of hepatocellular carcinoma.
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页数:11
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