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Ki67, a cellular proliferation marker was recorded to be at higher expression levels in cells cultured on the unmodified and protein modified porous PLLA scaffolds than in the tissue culture plastic (TCP) substrates. The expression difference was a significant 2-fold increase in the fiber scaffolds than TCP. These observations are highly supportive of the enhanced compatibility the scaffolds share with the cells than conventional culture ware. (n = 3, * p < 0.05,** p < 0.01).
