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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: J Biomed Mater Res A. 2010 Jan;92(1):214–220. doi: 10.1002/jbm.a.32362

Table 2.

IL-2 and IFNγ concentrations (pg/ml) from cell culture supernatants*

Day 3
TCPS PEU SR PET
IL-2 (pg/mL) Experimental 11 16 6 5
PHA Control 195 ± 100 291 ± 120 326 ± 150 334 ± 127
IFNγ (pg/mL) Experimental 49 18 191 168
PHA Control 6610 ± 2430 7260 ± 2160 6680 ± 2640 7590 ± 2740
Day 7
TCPS PEU SR PET
IL-2 (pg/mL) Experimental 1 3 4 1
PHA Control 3.8 ± 0.4 7.1 ± 0.7 6.6 ± 5.0 8.8 ± 2.8
IFNγ (pg/mL) Experimental 12 411 148 77
PHA Control 8100 ± 2470 8700 ± 3000 8430 ± 2620 8570 ± 2850
*

Data from experimental group represent values from one donor (concentrations of IL-2 and IFNγ were not detectable in all other donors). Data from PHA controls represent data from cultures stimulated with 2% PHA from 3 donors.