Plant polyphenols differentially modulate inflammatory responses of human keratinocytes by interfering with activation of transcription factors NFκB and AhR and EGFR-ERK pathway

► Effects of plant polyphenols on inflammatory responses in human keratinocytes. ► Inflammatory stimuli used: TGFalpha, TNFalpha+IFNgamma, UVA+UVB, and LPS. ► Inflammatory pathways connected with NFB, ERK1/2, EGFR, and AhR were investigated. ► Plant polyphenols, flavonoids, stilbenoids, and phenylpropanoids, were studied. ► Modulation of inflammation depends on phenolic core structure and glycosylation.