Table 1.

Baseline characteristics of LZRs and OZRs and for isolated arterioles from LZRs and OZRs in the present study

	LZRs	OZRs
Body weight, g	361±7	664±9*
Mean arterial pressure, mmHg	108±4	124±4*
Blood glucose concentration, mg/dl	102±5	184±11*
Plasma insulin concentration, ng/ml	1.3±0.3	7.5±0.5*
Plasma total cholesterol concentration, mg/dl	89±9	137±11*
Plasma triglyceride concentration, mg/dl	154±10	367±22*
Plasma nitrotyrosine, ng/ml	15±4	58±7*
Inner diameter − active diameter, μm	104±4	102±5
Inner diameter − passive diameter, μm	172±5	156±4*
Active tone, %	39±2	35±3

Values are means ± SE. LZRs, lean Zucker rats; OZRs, obese Zucker rats.

^*P < 0.05 vs. LZRs.