Key result
High-cholesterol diet drives obstructive plaque formation and impairs NO-dependent vasodilation in ApoE-knockout mice.
Why the study?
The relationship between lumen obstructive plaque formation and failure of NO-dependent vasodilation in conduit vessels was investigated in atherosclerosis-prone regions.
Does a high-cholesterol diet cause lumen obstructive plaque formation and impair NO-dependent vasodilation in ApoE(-/-) mice?
Population
ApoE(-/-) mice fed standard or high-cholesterol diet
Comparison
High-cholesterol diet vs standard diet
Design
Preclinical study using echocardiography, Doppler, myograph, and histological analysis
Authors
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Hypothesis-generating for diet-induced plaque and endothelial dysfunction; leaves open translation to human atherosclerosis.
Does a high-cholesterol diet cause lumen obstructive plaque formation and impair NO-dependent vasodilation in ApoE(-/-) mice?
In an ApoE-/- mouse model, a high-cholesterol diet induces hemodynamically significant plaque formation and regional endothelial dysfunction, linking lumen narrowing with impaired NO-dependent vasodilation.
Johansson et al. (2005) studied Atherosclerosis. High-cholesterol diet vs. Standard diet was evaluated on Aortic root flow velocity and NO-dependent vasodilation. A high-cholesterol diet in ApoE(-/-) mice resulted in lumen obstructive plaque formation, altered aortic root haemodynamics, and impaired NO-dependent vasodilation.
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