,11 To determine if there is a shift in epidermal γδ T cell function toward a Tγδ17 phenotype in obesity IL-17A GFP reporter mice were fed either an NCD or an HFD for 12 to 16 wk and then were wounded for 1 d prior to analysis. The gene discussed is IL17A; the disease is obesity due to melanocortin 4 receptor deficiency.