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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhang, Juan Yin, Lihong Pu, Yuepu Liang, Geyu Zhang, Yanqiu Wang, Xikai Fu, Yanyun |
| Description | Author Affiliation: Wang X ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.); Zhang Y ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.); Fu Y ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.); Zhang J ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.); Yin L ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.); Pu Y ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.); Liang G ( Key Laboratory of Environmental Medicine Engineering Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China.) |
| Abstract | The present study aimed to investigate the biofunctions of microRNA (miR)125b on lung cancer cells. A miR genechip array was used to examine the differential expression of miRs between 95D lung cancer cells and 16 human bronchial epithelial (HBE) cells. Overexpression of miR125b was observed in the cell lines and in the lung carcinoma tissues compared with the adjacent tissues, confirmed using reverse transcription quantitative polymerase chain reaction. Bioinformatic analysis of miR125b was also performed, including target prediction, gene ontology and pathway analysis. MTT, flow cytometry and Transwell assays were also used to examine the effect of downregulated miR125b on the proliferation, apoptosis, invasive ability and cell cycle of 95D cells. Significant differences were observed in the expression of 45 miRs in the 95D cells compared with those in 16HBE cells and the expression of miR125b was significantly higher in 95D cells compared with that in 16HBE cells as well as in lung tumor tissues compared with that in adjacent tissues. In addition, inhibition of the expression of miR125b in 95D cells induced apoptosis, G1/S phase arrest and reduction of their invasive ability. In addition, bioinformatics software predicted that miR125b was involved in the regulation of several pathways associated with cancer, including the transforming growth factorß, Wnt and mitogenactivated protein kinase signaling pathways. These data indicated for the first time, to the best of our knowledge, that miR125b may function as an oncogene in lung cancer. |
| ISSN | 17912997 |
| e-ISSN | 17913004 |
| Journal | Molecular Medicine Reports |
| Issue Number | 5 |
| Volume Number | 11 |
| Language | English |
| Publisher | Spandidos Publications |
| Publisher Date | 2015-05-01 |
| Publisher Place | Greece |
| Access Restriction | Open |
| Subject Keyword | Lung Neoplasms Genetics Micrornas Oncogenes Apoptosis Cell Cycle Cell Line, Tumor Cell Proliferation Computational Biology Gene Expression Gene Expression Profiling Metabolism Transforming Growth Factor Beta Wnt Signaling Pathway Research Support, Non-u.s. Gov't Discipline Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Biochemistry Molecular Biology Cancer Research Molecular Medicine Oncology |
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