Long noncoding RNA associated-competing endogenous RNAs in gastric cancer
Copyright policy )Long noncoding RNA associated-competing endogenous RNAs in gastric cancer
Some long noncoding RNAs (lncRNAs) play important roles in the regulation of gene expression by acting as competing endogenous RNAs (ceRNAs). However, the roles of lncRNA associated-ceRNAs in oncogenesis are not fully understood. Here, based on lncRNA microarray data of gastric cancer, bioinformatic algorithm miRcode and microRNA (miRNA) targets database TarBase, we first constructed an lncRNA-miRNA-mRNA network. Then, we confirmed it by data of six types of other cancer including head and neck squamous cell carcinoma, prostate cancer, papillary thyroid carcinoma, pituitary gonadotrope tumors, ovarian cancer, and chronic lymphocytic leukemia. The results showed a clear cancer-associated ceRNA network. Eight lncRNAs (AC009499.1, GACAT1, GACAT3, H19, LINC00152, AP000288.2, FER1L4, and RP4-620F22.3) and nine miRNAs (miR-18a-5p, miR-18b-5p, miR-19a-3p, miR-20b-5p, miR-106a-5p, miR-106b-5p, miR-31-5p, miR-139-5p, and miR-195-5p) were involved. For instance, through its miRNA response elements (MREs) to compete for miR-106a-5p, lncRNA-FER1L4 regulates the expression of PTEN, RB1, RUNX1, VEGFA, CDKN1A, E2F1, HIPK3, IL-10, and PAK7. Furthermore, cellular experimental results indicated that FER1L4-small interfering RNA (siRNA) simultaneously suppressed FER1L4 and RB1 mRNA level. These results suggest that lncRNAs harbor MREs and play important roles in post-transcriptional regulation in cancer.
- Ningbo University China (People's Republic of)
Male, Ovarian Neoplasms, Gene Expression Profiling, Carcinoma, Prostatic Neoplasms, Leukemia, Lymphocytic, Chronic, B-Cell, Article, Carcinoma, Papillary, Gene Expression Regulation, Neoplastic, MicroRNAs, Cell Transformation, Neoplastic, Head and Neck Neoplasms, Cell Line, Tumor, Carcinoma, Squamous Cell, Humans, Female, Pituitary Neoplasms, RNA Interference, RNA, Long Noncoding, Algorithms, Oligonucleotide Array Sequence Analysis
Male, Ovarian Neoplasms, Gene Expression Profiling, Carcinoma, Prostatic Neoplasms, Leukemia, Lymphocytic, Chronic, B-Cell, Article, Carcinoma, Papillary, Gene Expression Regulation, Neoplastic, MicroRNAs, Cell Transformation, Neoplastic, Head and Neck Neoplasms, Cell Line, Tumor, Carcinoma, Squamous Cell, Humans, Female, Pituitary Neoplasms, RNA Interference, RNA, Long Noncoding, Algorithms, Oligonucleotide Array Sequence Analysis
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