Table 2

Alkaline phosphatase (AP) and tartrate-resistant acid phosphatase (TRAP) activities in isolated KYF and Kbus BMSCs

AP activity

TRAP activity


4 wks

KYF (n = 6)

19.7 ± 1.8

61.2 ± 1.8


Kbus (n = 6)

41.7 ± 4.1*

69.4 ± 4.0


8 wks

KYF (n = 7)

16.9 ± 1.9

58.6 ± 2.2


Kbus (n = 8)

20.6 ± 3.7

52.8 ± 3.4


16 wks

KYF (n = 8)

8.7 ± 0.7

46.9 ± 2.0


Kbus (n = 8)

18.7 ± 2.9*

43.5 ± 2.3


32 wks

KYF (n = 6)

7.3 ± 0.3

43.0 ± 3.2


Kbus (n = 6)

14.1 ± 2.7*

45.4 ± 3.6


munits/mg of protein (mean ± SEM)

Since no significant differences were found between male and female samples, data from both sexes were combined.

*, Significantly different from the values of age-matched KYF samples (P < 0.05).

Moriyama et al. Journal of Biomedical Science 2011 18:60   doi:10.1186/1423-0127-18-60

Open Data