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Collagen expression and maturation. Bar graphs showing COL-I (a) and COL-III (b) protein levels assessed by slot blot in cell culture supernatants of fibroblasts from healthy and overgrown gingivae. (c) Bar graphs showing LOX mRNA levels in fibroblasts from healthy and overgrown gingivae. GAPDH gene expression was used as internal control for normalization. Data are mean ± SD for samples run in duplicate. ∗p < 0.01, ∗∗p < 0.05, and ∗∗∗p < 0.005.
