Keratinocytes Present Staphylococcus aureus Enterotoxins and Promote Malignant and Non-Malignant T Cell Proliferation in Cutaneous T Cell Lymphoma

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Researchers showed that expression of HLA-DR, high-affinity receptors for Staphylococcal enterotoxins, by keratinocytes correlated with IFN-γ expression in the tumor microenvironment. Importantly, IFN-γ induced HLA-DR, SE-binding, and SE-presentation by keratinocytes to malignant T-cells from Sézary syndrome patients.
[Journal Of Investigative Dermatology]
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