Table 1 Growth rates for hUC-MSCs in passages 4–12.

From: Human mesenchymal stem cell sheets in xeno-free media for possible allogenic applications

 

Cell viability

Initial cell seeding density

Expanded cell density

Fold increase

Passage 4

96.0%

4.0 × 103/cm2

6.5 × 104/cm2

16.3

Passage 5

96.0%

3.5 × 103/cm2

6.7 × 104/cm2

19.0

Passage 6

97.5%

3.2 × 103/cm2

5.5 × 104/cm2

17.2

Passage 7

96.2%

3.2 × 103/cm2

5.5 × 104/cm2

17.3

Passage 8

96.7%

3.2 × 103/cm2

6.6 × 104/cm2

20.7

Passage 9

98.5%

3.2 × 103/cm2

4.5 × 104/cm2

14.0

Passage 10

97.6%

3.2 × 103/cm2

3.5 × 104/cm2

10.9

Passage 11

97.4%

3.2 × 103/cm2

2.4 × 104/cm2

7.5

Passage 12

97.4%

3.2 × 103/cm2

1.0 × 104/cm2

3.1