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Table 1 Senescence characteristics and telomere length of WJ-MSCs and BM-MSCs

From: Differential expression of cell cycle and WNT pathway-related genes accounts for differences in the growth and differentiation potential of Wharton’s jelly and bone marrow-derived mesenchymal stem cells

Passages SA-β-gal positive cells (%)a Mean telomere lengtha
  WJ-MSCs BM-MSCs P WJ-MSCs BM-MSCs P
P2 10.28 ± 5.73 25.82 ± 17 0.0169 11,958 ± 1687 10,530 ± 2244 N.S.
P6 15.14 ± 9.73 39.33 ± 22.46 0.0327 10,128 ± 1317 8901 ± 870.9 N.S.
P10 24.09 ± 11 59.14 ± 15.69 0.0001 8529 ± 1619 8212 ± 1486 N.S.
  1. Comparisons in each indicated passage (P; P2, P6, P10) between WJ-MSCs (n = 18) and BM-MSCs (n = 18) have been performed by the nonparametric Mann–Whitney U test and the statistically significant P values are shown
  2. Abbreviations: WJ-MSCs Wharton’s jelly-mesenchymal stem cells, BM-MSCs bone marrow-mesenchymal stem cells, SA-β-gal senescence-associated β galactosidase, N.S. no statistically significant difference
  3. aThe data are expressed as means ± 1 standard deviation