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The formation of tight junctions between keratinocyte in the BG extracts. qRT-PCR (a) and Western blot (b) analysis of key TJ proteins in keratinocytes. (c) The expression and localization of key TJ proteins in keratinocytes determined by immunofluorescence (*Statistically significant, *p < 0.05, **p < 0.01, ****p < 0.001,****p < 0.0001 vs the control).
