期刊
JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
卷 21, 期 12, 页码 3787-3794出版社
WILEY
DOI: 10.1111/jcmm.13288
关键词
Cervical cancer; HPV; epigenetic factors; long intergenic non-coding RNAs (lincRNAs)
资金
- SOP-IEC [PNII RU-TE2014-4-2502, 433/ID 929/SMIS, PNII 41081/2007, PNII 41030/2007]
Recently long non-coding RNAs were identified as new factors involved in gene expression regulation. To gain insight into expression pattern of these factors related to E7 HPV18 oncogene, this study uses HeLa cell culture transfected with E7-siRNA. Gene expression profile was investigated using microarray analysis. After analysing the microarray results, we identified 15,387 RNA species differentially expressed in E7-siRNA-transfected cells compared with controls (fold change >2). The expression profiles of lncRNA species highlighted 731 lncRNAs and 203 lincRNAs. We selected two lincRNAs (LINC01101 and LINC00277) and we evaluated the expression profile in HPV-induced neoplasia. Both lincRNAs investigated display a significantly reduced pattern of expression in cervical lesions and cancer, associated with clinical parameters. A connection between HPV presence and lincRNAs was noted. hrHPV-positive samples exhibit significantly reduced LINC01101 and LINC00277 expression level (P < 0.05). These results provide new insights into involvement of lncRNA in HPV-induced cervical cancer, enriching our understanding of their potential role in this pathology.
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