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Analysis of cytokines in CDSC-CNM. CDSCs were incubated in DMEM containing 10% FBS and 1% antibiotic-antimycotic. After 72 h, the supernatant was collected and examined with the cytokine ELISA kit. Secretory factor cytokine levels in the chorion-derived stem cell-conditioned medium (CDSC-CNM) were compared with the control medium (CM). The data are expressed as the mean of 6–8 replicates ± SD. * (P < 0.05) and ** (P < 0.01) indicate significant differences compared with CM.
