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Histol Histopathol. 2016 Feb;31(2):167-76. doi: 10.14670/HH-11-652. Epub 2015 Aug 11.

The role of high cholesterol-high fructose diet on coronary arteriosclerosis.

Author information

1
Center for Clinical and Translational Science, Creighton University School of Medicine, Omaha, NE, USA.
2
Center for Clinical and Translational Science, Creighton University School of Medicine, Omaha, NE, USA. dkagr@creighton.edu.

Abstract

The effect of fructose in conjunction with high cholesterol diet in the development of atherosclerotic lesions in coronary arteries is not well established. Microswine were fed high cholesterol (HC) or a high cholesterol-high fructose (HCHF) diet containing 18-20% calories from fructose. All swine had high levels of serum cholesterol and non-HDL, thickened intima and accumulation of collagen in the coronaries. Swine fed with HC diet had less stenosis in coronary arteries, lower serum levels of non-HDL, triglycerides, cholesterol, and blood glucose than HCHF group. Coronary lesions in the HC swine were not as progressed as in HCHF and showed low LDL-expressed lipid-laden foam cells. The M1/M2 macrophage phenotype in the HCHF swine differed with the progression of atherosclerosis, with higher density of M1-phenotype in HCHF swine. There was high expression of CCR7 (M1-phenotype) in more advanced lesions in the fibrous cap-like areas, whereas M2-macrophages were abundant in the foam-cell cores. These findings suggest that the addition of a fructose to high cholesterol diet accelerates atherosclerotic lesions in coronary arteries with an increase in M1-macrophages and the propensity to develop features of metabolic syndrome.

PMID:
26260796
DOI:
10.14670/HH-11-652
[Indexed for MEDLINE]

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