microRNA-130a Promotes Human Keratinocyte Viability and Migration and Inhibits Apoptosis Through Direct Regulation of STK40-Mediated NF-κB Pathway and Indirect Regulation of SOX9-Meditated JNK/MAPK Pathway: A Potential Role in Psoriasis
2017
Psoriasis is a chronic inflammatory skin disorder. The aim of this study was to determine a potential role of microRNA (miR)-130a in psoriasis, and underlying mechanism. Expression levels of miR-130a in psoriasis specimens and normal skin tissues were analyzed. MiR-130a mimic, inhibitor, miR-control, small interfering RNA (siRNA) specific serine/threonine kinase 40 (STK40), or sex-determining region Y chromosome-box 9 (SOX9) were transfected to human keratinocyte HaCaT cells, respectively. After transfection, the cell viability, apoptosis, and migration were determined. Luciferase reporter assay, quantitative reverse transcription–polymerase chain reaction, and western blot were performed to explore whether STK40 was a target of miR-130a. The effects of aberrant expressions of miR-130a, STK40, or SOX9 on key proteins of NF-κB and c-Jun N-terminal kinase (JNK)/mitogen-activated protein kinase (MAPK) pathway were assessed. The miR-130a levels were significantly higher in patients with psoriasis compared to ...
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