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Significant intergroup differences among the cells in each group. (Group 1: control group; group 2: UVB induce aging group; group 3: VA-FA addition group; group 4: VA addition group; group 5: FA addition group). (A) Pearson correlation analysis in HaCaT cells; (B) Two-dimensional principal component analysis in HaCaT cells; (C) Three-dimensional principal component analysis in HaCaT cells.
