Table 2. Expression levels of receptors and integrin measured by flow cytometry at the surface of TEM.

	Tumor TEM	Blood TEM	ivdTEM
TIE-2	4.09+/- 2.5	1.63+/- 0.71	2.56+/- 0.78
VEGFR-1	6.5+/- 3.24	1.09+/- 0.47	2.42 +/- 1.40
TGFBR-1	113.05+/- 29.1	2.08+/- 0.66	3.50+/- 1.13
TNF-R1	1.39+/- 0.61	1.50+/- 0.76	1.69+/- 0.41
CCR5	1.03+/- 0.20	0.81+/- 0.17	1.03+/- 0.10
α5β1	1.94+/- 1.30	1.27+/- 0.18	nd
CXCR4	1.37+/- 0.4	2.18+/- 2.08	nd

Mean fold increase to isotype control antibodies +/- standard deviation (n = 10) is indicated. Significant differences (P<0.05) are in bold, nd not determined