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Comparison of DNA amounts, growth factor concentrations, and collagen contents of fresh and decellularized periodontal ligament cell-sheet constructs. (A) DNA content before and after decellularization. (B) Growth factors retained in fresh and decellularized sheets, fibroblast growth factor (FGF), vascular endothelial growth factor (VEGF), and hepatocyte growth factor (HGF). (C) Collagen quantification showing preservation of collagen content after the decellularization process.
