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Histograms showing the expression of (a) CD90 and (b) CD73 in different passages of TDSCs: Filled area shows the expression of target stem cell markers and open area shows the expression in the corresponding istotype control (PE or APC). Gm, geometric mean fluorescence value of the positive population; Cv, coefficient of variation. The percentage of cells showing positive expression is shown within parentheses. PE, phycoerythrin; APC, allophycocyanin.
