Comparative Analysis of Mesenchymal Stromal Cells Biological Properties

Table 2

Proliferation properties of MSC.

Cell Population	Doubling time (h)	Density at confluence	Cell senescence	Clones (limiting dilution)	Clones (CFU)
L-MSC	18.76	140,000	15.2%	1.44%	9%
O-MSC	34.03	44,000	11.45%	0.66%	0%
BM-MSC	35.07	50,000	30.00%	0.22%	12%
HFF	17.06	>200,000	4.63%	0.00%	>50%

The reported values represent the mean of two independent experiments.