Journal
HUMAN CELL
Volume 32, Issue 4, Pages 477-486Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s13577-019-00274-0
Keywords
miR-543; JAM-A; Nasopharyngeal carcinoma; Cell proliferation; Gene expression
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Funding
- Key Research and Development Project of Cangzhou city [183302105]
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MicroRNAs (miRNAs) are defined as small, non-coding RNAs that act as post-transcriptional regulators of gene expression. Dysfunction of miRNAs was involved in the initiation and progression of nasopharyngeal carcinoma (NPC). Here, we found that miR-543 was markedly overexpressed in NPC tissues and cell lines. Overexpression of miR-543 promoted the proliferation, cell cycle progression and invasion of NPC cells. Down-regulation of miR-543 inhibited the proliferation and induced apoptosis of NPC cells. Bioinformatics analysis suggested the junctional adhesion molecule A (JAM-A) as a potential target of miR-543. Furthermore, molecular study showed that the miR-543 bound the 3 '-untranslated region (UTR) of JAM-A and decreased the expression of JAM-A in NPC cells. The expression of JAM-A in NPC tissues was decreased and negatively correlated with that of miR-543. Overexpression of JAM-A attenuated miR-543-induced proliferation of NPC cells. Collectively, these evidence indicated the important roles of miR-543/JAM-A signaling in the progression of NPC, highlighting the potential of miR-543 as a target in the treatment of NPC.
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