Research Article
Insulin Enhances the In Vitro Osteogenic Capacity of Flexor Tendon-Derived Progenitor Cells
Figure 1
(a) TPC proliferation measured via MTT assay after 3 days of monolayer culture in basal medium supplemented with 0, 0.007, 0.07, and 0.7 nM/L insulin. represents a significant difference between 0 and 0.7 nM/L insulin (). (b) Representative phase-contrast photomicrographs of TPC monolayer cultures maintained in basal medium and basal medium with 0.7 nM insulin for 3 days. A significant increase in TPCs is seen in insulin-supplemented medium. Scale microns.
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