Research Article

Obesity Induces Artery-Specific Alterations: Evaluation of Vascular Function and Inflammatory and Smooth Muscle Phenotypic Markers

Table 3

Maximal response (mN/mm) and sensitivity (log EC50) to relaxing and contractile agents in small mesenteric arteries and thoracic aorta from control and obese mice.

Maximal responselog EC50
Control miceObese miceControl miceObese mice

Mesenteric arteries
 Acetylcholine90.50 ± 2.2690.91 ± 1.81
 SNP92.67 ± 2.0189.92 ± 2.42
 KCl1.61 ± 0.121.72 ± 0.051.46 ± 0.12
 U466191.91 ± 0.19
 Noradrenaline2.21 ± 0.22
 Serotonin0.74 ± 0.12

Thoracic aorta
 Acetylcholine75.94 ± 4.5175.56 ± 5.91
 SNP95.55 ± 1.7596.01 ± 2.21
 KCl2.88 ± 0.262.74 ± 0.192.04 ± 0.06
 U466193.90 ± 0.173.68 ± 0.11
 Noradrenaline1.99 ± 0.13
 Serotonin2.61 ± 0.122.44 ± 0.10

SNP: sodium nitroprusside. KCl: potassium chloride. Data are expressed as mean ± SEM. Unpaired -test: versus control mice. (KCl and serotonin). –12 (acetylcholine, SNP, U46619, and noradrenaline).