Enhancement of Candida albicans killing activity of separated human epidermal cells by ultraviolet radiation

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Abstract
Ultraviolet irradiation enhanced the Candida albicans killing activity of freshly separated human epidermal cells in vitro. The stimulation was dose-dependent and was not due to soluble extracellular factors acting on non-irradiated epidermal cells. The enhancement of the killing activity remained unchanged when epidermal cells were depleted of Langerhans cells. Protein synthesis inhibitors and prostaglandin antagonists abrogated the ultraviolet-induced augmentation of killing activity.