An integrative approach identifies dysregulated long non-coding RNAs as microRNA decoys during nevus to melanoma transformation.
Journal
Melanoma research
ISSN: 1473-5636
Titre abrégé: Melanoma Res
Pays: England
ID NLM: 9109623
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
pubmed:
26
9
2020
medline:
6
8
2021
entrez:
25
9
2020
Statut:
ppublish
Résumé
Mounting evidence supports a role for dysregulated long non-coding RNAs (lncRNA) in the development of many cancers. A recently discovered function of lncRNAs is to act as microRNA (miR) decoys or competing endogenous RNAs, which sequester specific miRs and relieve negative regulation of mRNA expression by miRs. Although a large number of non-coding RNAs are thought to function as competing endogenous RNAs, miR-sequestering lncRNAs involved in nevus to melanoma transformation remain largely unknown. In this study, we applied a bioinformatics approach to a unique dataset of benign melanocytic nevi and primary melanomas of the skin in order to fill this research gap. We modified a previously published miR target prediction algorithm, RNAhybrid, and improved its search efficiency. We reported the presence of many lncRNAs and miRs deregulated when transitioning from a senescence-like state of nevi to melanoma. We provided evidence of a relatively new and understudied mechanism of gene regulation during this process and identified for the first time lncRNAs (n = 122) that may potentially function as miR decoys as well as their target miRs during nevus to melanoma transformation. The knowledge presented here can be employed for developing biomarkers for diagnostic and risk stratification purposes.
Identifiants
pubmed: 32976222
doi: 10.1097/CMR.0000000000000695
pii: 00008390-202012000-00009
doi:
Substances chimiques
MicroRNAs
0
RNA, Long Noncoding
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
594-598Références
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