HMGA1P7-pseudogene regulates H19 and Igf2 expression by a competitive endogenous RNA mechanism
Copyright policy )HMGA1P7-pseudogene regulates H19 and Igf2 expression by a competitive endogenous RNA mechanism
AbstractRecent studies have revealed that pseudogene transcripts can function as competing endogenous RNAs, and thereby can also contribute to cancer when dysregulated. We have recently identified two pseudogenes, HMGA1P6 and HMGA1P7 for the HMGA1 gene whose overexpression has a critical role in cancer progression. These pseudogenes work as competitive endogenous RNA decoys for HMGA1 and other cancer related genes suggesting their role in carcinogenesis. Looking for new HMGA1 pseudogene ceRNAs, we performed RNA sequencing technology on mouse embryonic fibroblasts deriving from transgenic mice overexpressing HMGA1P7. Here, we report that HMGA1P7 mRNA sustains the H19 and Igf2 overexpression by acting as miRNA decoy. Lastly, the expression of HMGA1P7 was significantly correlated with H19 and IGF2 levels in human breast cancer thereby suggesting a role for HMGA1P7 deregulation in this neoplasia.
Breast Neoplasms, Mice, Transgenic, HMGA1P7, Article, Mice, Insulin-Like Growth Factor II, Animals, Humans, H19, Sequence Analysis, RNA, Igf2, Reproducibility of Results, RNA., Fibroblasts, Embryo, Mammalian, Up-Regulation, MicroRNAs, MCF-7 Cells, NIH 3T3 Cells, Female, RNA, Long Noncoding, Pseudogenes
Breast Neoplasms, Mice, Transgenic, HMGA1P7, Article, Mice, Insulin-Like Growth Factor II, Animals, Humans, H19, Sequence Analysis, RNA, Igf2, Reproducibility of Results, RNA., Fibroblasts, Embryo, Mammalian, Up-Regulation, MicroRNAs, MCF-7 Cells, NIH 3T3 Cells, Female, RNA, Long Noncoding, Pseudogenes
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