Newly identified bacteria-killing protein needs vitamin A to work

https://www.sciencedaily.com/releases/2019/05/190514162212.htm

People who have inadequate vitamin A in their diets are more susceptible to skin infection, yet how that vitamin affects skin immunity has been unclear. New research sheds some light on that mystery by identifying a previously unknown bacteria-killing protein on the epidermis that requires the vitamin to work.

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