Cutaneous T cell-attracting chemokine (CTACK)/CCL27 and macrophage inflammatory protein (MIP)-3α/CCL20 are the major inflammatory chemokines involved in skin inflammation. The present study showed that roxithromycin (RXM) suppressed the TNFα-induced production of CCL27 and CCL20 in HaCaT keratinocytes and normal human keratinocytes (NHKs) in a dose-dependent manner. The production of CCL20 induced by TNFα was suppressed by the addition of inhibitors of nuclear factor kappa B (NFκB). RXM suppressed NFκB activity induced by TNFα. RXM, by regulating CCL27 and CCL20, may contribute to the modulation of inflammation.
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