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Analysis of telomere length, telomere activity-related TERT protein expression and Oct 3/4 protein expression in MSCs harvested at 1 week and 8 months after birth. (A) Telomere restriction fragment lengths determined by Southern blotting using a telomere length assay. Significant differences were considered when P<0.05. (B) TERT and Oct3/4 protein expression determined by western blot analysis.
