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Related Experiment Videos

Atherosclerosis in uremic mice.

J L Stewart-Phillips1, R F Gagnon, J Lough

  • 1Montreal General Hospital Research Institute, Quebec, Canada.

ASAIO Transactions
|July 1, 1989
PubMed
Summary
This summary is machine-generated.

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Genetic factors influence atherosclerosis development in chronic kidney disease. Diet also plays a role, with specific mouse strains showing different susceptibilities to uremia-induced atherosclerosis.

Area of Science:

  • Cardiovascular Biology
  • Nephrology
  • Genetics

Background:

  • Chronic renal failure (CRF) is associated with an increased risk of atherosclerosis.
  • The role of genetic predisposition in CRF-related atherosclerosis remains unclear.

Purpose of the Study:

  • To investigate the genetic determination of atherosclerosis susceptibility in mice with chronic renal failure.
  • To examine the impact of diet on atherosclerosis development in uremic mice.

Main Methods:

  • Two inbred mouse strains (C57BL/6J and A/J) were used.
  • Chronic uremia was induced surgically.
  • Mice were fed either a standard diet or a high-fat, high-cholesterol diet for six weeks.

Main Results:

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  • A/J mice showed resistance to atherosclerosis development, irrespective of diet.
  • C57BL/6J mice developed aortic fatty lesions, exacerbated by the high-fat diet.
  • Uremia differentially affected lipid profiles (cholesterol, triglycerides, lipoproteins) between the strains.

Conclusions:

  • Atherosclerosis development in uremic mice is genetically determined and diet-dependent.
  • A/J mice's resistance may be linked to maintaining high HDL-cholesterol and/or low triglyceride levels.
  • These findings highlight genetic and dietary influences on atherosclerosis in chronic kidney disease.