Fig. 2

HaCaT cells were treated with various concentrations of vitamin D, crisaborole, and a combination of vitamin D and crisaborole for 24 h. Inflammatory cytokine expression was measured in TNF-α/IFN-γ-stimulated HaCaT cells. Abbreviations: VD = vitamin D, Cri = crisaborole ointment. *P < 0.05, **P < 0.01, #P < 0.05, ##P < 0.01.