Table 1.

Summary of MSC growth characteristics.

	Pre-flight	Post flight	Post flight	Post flight	Post flight
Duration in culture (week)	1	1	1	2	2
Gravity	Ground	Ground	ISS	Ground	ISS
Identity % (CD73+, CD90+, CD105+)	89.19	80.2	80.9	88.9	78.6
Viability %, mean ± SD	96 ± 1	60.5 ± 14.9	53.1 ± 12.7	67.4 ± 5.1	54.3 ± 20.2
Mean cell count × 105 per BioCell	0.2–0.5	4.25 ± 2.01	5.12 ± 1.21	5.73 ± 1.80	5.11 ± 2.24
Sterility (Gram stain and culture)	Negative	Negative	Negative	Negative	Negative