TABLE 1.

Flow Cytometric Analysis

Marker, %	RA CMCs	SA CMCs
CD90	83.6 ± 8.8	52.4 ± 35.4
CD29	98.5 ± 0.2	99.4 ± 0.2
CD105	96.8 ± 3.5	95.4 ± 1.8
CD73	62.0 ± 15.4	79.5 ± 10.4
CD44	99.3 ± 0.4	99.5 ± 0.4
CD39	17.0 ± 11.3	12.9 ± 17.9
CD106	90.4 ± 9.6	69.1 ± 32.7
CD9	95.6 ± 3.2	97.1 ± 3.5
CD271	0.3 ± 0.2	0.3 ± 2.0
CD166	0.2 ± 0.1	3.5 ± 5.6
CD146	0.2 ± 0.1	0.3 ± 0.1
CD13	0.4 ± 0.1	0.4 ± 0.2
FLK1	1.0 ± 0.9	0.9 ± 0.6
CD31	1.8 ± 0.7	1.5 ± 0.6
CD34	8.6 ± 10.2	18.1 ± 26.5
c-kit	11.1 ± 5.9	7.1 ± 3.8
Sca-1	71.6 ± 16.8	63.1 ± 14.6
CD45	5.7 ± 2.3	2.9 ± 1.2
CD11b	1.4 ± 1.0	1.1 ± 0.3
MHCI	34.4 ± 25.4	16.9 ± 16.8
MHCII	0.8 ± 0.5	0.5 ± 0.1

Values are mean ± SEM.

CMC = cardiac mesenchymal cell; RA = rapidly adhering; SA = slowly adhering.