alexa A ceRNA analysis on LMNA gene focusing on the Hutchinson-Gilford progeria syndrome.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Genetic Syndromes & Gene Therapy

Author(s): Arancio W, Giordano C, Pizzolanti G

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Abstract BACKGROUND: Hutchinson-Gilford progeria syndrome is a rare dominant human disease of genetic origin. The average life expectancy is about 20 years, patients' life quality is still very poor and no efficient therapy has yet been developed. It is caused by mutation of the LMNA gene, which results in accumulation in the nuclear membrane of a particular splicing form of Lamin-A called progerin. The mechanism by which progerin perturbs cellular homeostasis and leads to the symptoms is still under debate.Micro-RNAs are able to negatively regulate transcription by coupling with the 3' UnTranslated Region of messenger RNAs. Several Micro-RNAs recognize the same 3' UnTranslated Region and each Micro-RNA can recognize multiple 3' UnTranslated Regions of different messenger RNAs. When different messenger RNAs are co-regulated via a similar panel of micro-RNAs, these messengers are called Competing Endogenous RNAs, or ceRNAs.The 3' UnTranslated Region of the longest LMNA transcript was analysed looking for its ceRNAs. The aim of this study was to search for candidate genes and gene ontology functions possibly influenced by LMNA mutations that may exert a role in progeria development. RESULTS: 11 miRNAs were isolated as potential LMNA regulators. By computational analysis, the miRNAs pointed to 17 putative LMNA ceRNAs. Gene ontology analysis of isolated ceRNAs showed an enrichment in RNA interference and control of cell cycle functions. CONCLUSION: This study isolated novel genes and functions potentially involved in LMNA network of regulation that could be involved in laminopathies such as the Hutchinson-Gilford progeria syndrome.
This article was published in J Clin Bioinforma and referenced in Journal of Genetic Syndromes & Gene Therapy

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