Blue-light irradiation regulates proliferation and differentiation in human skin cells.

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Our data provide evidence for a molecular mechanism by which blue light may be effective in treating hyperproliferative skin conditions by reducing proliferation due to the induction of differentiation.

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Blue light irradiation suppresses dendritic cells activation in vitro.

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Unlike UV irradiation, blue light irradiation at high and low doses only resulted in impaired DC maturation upon activation and a reduced subsequent stimulatory capacity in allogeneic MLRs with strongest effects at higher doses.

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