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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Nanotoxicology. 2010 Nov 3;5:531–545. doi: 10.3109/17435390.2010.530004

Table II.

Calculated mean EC50 values based on cumulative addition concentration-response profiles of thoracic aortic rings from C57BL/6 and B6.Cg-KitW-sh mice.

Treatment Endothelium C57BL/6 saline C57BL/6 10 μg CeO2 C57BL/6 30 μg CeO2 C57BL/6 100 μg CeO2 B6.Cg-KitW-sh saline B6.Cg-KitW-sh 100 μg CeO2
Adenosine Denuded 7.52 ± 1.29 μM 4.74 ± 1.83 μM 4.87 ± 1.25 μM 5.61 ± 1.08 μM 4.65 ± 0.97 μM 4.76 ± 1.35 μM
Norepinephrine Intact 26.31± 2.31 nM 11.31 ± 5.71 nM 17.18 ± 3.38 nM 27.01 ± 8.17 nM 30.21 ± 3.21 nM 32.52 ± 3.15 nM
Acetylcholine Intact 79.88 ± 17.25 nM 93.24 ± 7.84 nM 76.23 ± 12.00 nM 84.79 ± 14.58 nM 71.54 ± 20.01 nM 75.46 ± 19.22 nM
Sodium nitroprusside Denuded 4.35 ± 0.90 nM 1.25 ± 0.03 nM 2.19 ± 1.07 nM 3.63 ± 1.36 nM 5.16 ± 1.11 nM 4.23 ± 1.04 nM

Values are mean ± SEM. n = 4–10/group.