The outer layer of the skin, called the epidermis, forms a critical physical and immunological wall that serves as the body's first line of defense against potentially harmful microorganisms. Most of the epidermis consists of cells called keratinocytes that build a mechanical barrier but also perform immune functions. Now, a new study published by Cell Press in the October issue of the journal Immunity provides evidence that stopping of a type of regulated cell death called "necroptosis" in keratinocytes is critical for the prevention of skin inflammation...
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