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2016 ; 15
(1
): 56
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Wnt-signalling pathways and microRNAs network in carcinogenesis: experimental and
bioinformatics approaches
#MMPMID27590724
Onyido EK
; Sweeney E
; Nateri AS
Mol Cancer
2016[Sep]; 15
(1
): 56
PMID27590724
show ga
Over the past few years, microRNAs (miRNAs) have not only emerged as integral
regulators of gene expression at the post-transcriptional level but also respond
to signalling molecules to affect cell function(s). miRNAs crosstalk with a
variety of the key cellular signalling networks such as Wnt, transforming growth
factor-? and Notch, control stem cell activity in maintaining tissue homeostasis,
while if dysregulated contributes to the initiation and progression of cancer.
Herein, we overview the molecular mechanism(s) underlying the crosstalk between
Wnt-signalling components (canonical and non-canonical) and miRNAs, as well as
changes in the miRNA/Wnt-signalling components observed in the different forms of
cancer. Furthermore, the fundamental understanding of miRNA-mediated regulation
of Wnt-signalling pathway and vice versa has been significantly improved by
high-throughput genomics and bioinformatics technologies. Whilst, these
approaches have identified a number of specific miRNA(s) that function as
oncogenes or tumour suppressors, additional analyses will be necessary to fully
unravel the links among conserved cellular signalling pathways and miRNAs and
their potential associated components in cancer, thereby creating therapeutic
avenues against tumours. Hence, we also discuss the current challenges associated
with Wnt-signalling/miRNAs complex and the analysis using the biomedical
experimental and bioinformatics approaches.