Background There has been little research on extramammary Paget's disease (EMPD)

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The use of this instrument is very simple and time-saving, providing excellent success rate with favorable cosmetic results. It can be a good alternative for eradication of the cysts in steatocystma multiplex. The authors have indicated no significant interest with commercial supporters.

BackgroundAcne is an inflammatory skin disorder caused by inflammatory biomarkers. Magnesium ascorbyl phosphate (MAP) is a stable precursor of vitamin C. It achieves a constant delivery of vitamin C into the skin and has antioxidative effects.ObjectiveWe performed this study to evaluate the effect of MAP on the expression of inflammatory biomarkers in cultured sebocytes.MethodsReverse transcription-polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay were performed for inflammatory cytokines and matrix metalloproteinases (MMPs) before and after treatment of cultured sebocytes with MAP (10-2 M), lipopolysaccharide (LPS) (5 µg/ml) and a combination of MAP and LPS. RT-PCR and western blotting were also performed for antimicrobial peptides (AMPs) and Toll-like receptor (TLR)-4 before and after treatment of cultured sebocytes with MAP, LPS, and a combination of MAP and LPS. Quantification of lipid peroxidation was also conducted.ResultsThe increased expression of inflammatory cytokines after treatment of cultured sebocytes with LPS was decreased after treatment with MAP. MMPs, AMPs, and TLR-4 were decreased after treatment of cultured sebocytes with MAP and a combination of MAP and LPS, and increased after treatment of cultured sebocytes with LPS alone. Lipid peroxidation was significantly decreased after treatment of cultured sebocytes with MAP and a combination of MAP and LPS. MAP decreased the increased lipid peroxidation after treatment of cultured sebocytes with LPS.ConclusionMAP may be an effective alternative agent to improve inflammatory reactions in acne.