The protein levels of KRT5, KRT14, KRT1, KRT10, STAT1, and S100A7 were examined by immunoblotting following the methods described before34 (link) with primary antibodies against KRT5 (ab52635; Abcam, Cambridge, MA, USA), KRT14 (ab7800, Abcam), KRT1 (ab93652, Abcam), KRT10 (ab76318, Abcam), STAT1 (ab109320, Abcam), and S100A7 (ab13680, Abcam) and the HRP-conjugated secondary antibody. Signals were visualized using enhanced chemiluminescent (ECL) substrates (Millipore, MA, USA) with normalization to GAPDH.
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