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Controversy over the role of antioxidants in cancer has persisted for decades. Here, we demonstrate that synthesis of the antioxidant glutathione (GSH), driven by GCLM, is required for cancer initiation. Genetic loss of Gclm prevents a tumor’s ability to drive malignant transformation. Intriguingly, these findings can be replicated using an inhibitor of GSH synthesis, but only if delivered prior to...
Epithelial cells of mucosal tissues provide a barrier against environmental stress, and keratinocytes are key decision makers for immune cell function in the skin. Currently, epithelial signaling networks that instruct barrier immunity remain uncharacterized. Here we have shown that keratinocyte-specific deletion of a disintegrin and metalloproteinase 17 (Adam17) triggers T helper 2 and/or T helper...
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