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2017 ; 39
(2
): 268-278
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Construction of an miRNA-regulated drug-pathway network reveals drug repurposing
candidates for myasthenia gravis
#MMPMID28075449
Cao Y
; Lu X
; Wang J
; Zhang H
; Liu Z
; Xu S
; Wang T
; Ning S
; Xiao B
; Wang L
Int J Mol Med
2017[Feb]; 39
(2
): 268-278
PMID28075449
show ga
Myasthenia gravis (MG) is a rare debilitating autoimmune neuromuscular disorder.
Many studies have focused on the mechanism and treatment strategies of MG.
However, the exact pathogenesis of MG and effective treatment strategies remain
unclear. Recent studies have indicated that microRNAs (miRNAs or miRs) can
regulate the pathological pathways of MG, suggesting their potential role in
novel treatments. In the present study, we created a comprehensive catalog of
experimentally confirmed MG risk genes and miRNAs by manually mining published
literature and public databases. Based on these genes and miRNAs, we identified
41 MG risk pathways and 105 approved drugs that can affect these pathways. Some
important MG-related pathways, such as hsa04060 (cytokine-cytokine receptor
interaction) and hsa05200 (pathway in cancer), were found to be regulated by MG
risk miRNAs and drugs. Furthermore, we constructed an miRNA-regulated
drug-pathway network and identified miRNAs and drugs that synergistically
regulate key MG pathways and biological processes. We developed a drug
repurposing strategy to identify 25 drug repurposing candidates for MG; several
of these drugs, such as rituximab, adalimumab, sunitinib, and muromonab, have the
potential to be novel MG treatment drugs. This study provides novel insight into
the pathogenesis of MG and potential drug candidates for MG were identified.