Cited by 203Atherosclerosis and Cardiovascular DiseasesParathyroid Disorders and TreatmentsDermatological and Skeletal Disorders

Uremia Accelerates both Atherosclerosis and Arterial Calcification in Apolipoprotein E Knockout Mice

Massy, Ziad A., Ivanovski, Ognen, Nguyen-Khoa, Thao, Angulo, Jesus, Szumilak, Dorota, Mothu, Nadya, Phan, Olivier, Daudon, Michel +3 more·2005·Journal of the American Society of Nephrology

Abstract

Chronic renal failure (CRF) favors the development of atherosclerosis and excessive calcification of atheromatous lesions. CRF was induced in apolipoprotein E knockout (apoE(-/-)) mice to study (1) a possible acceleration of aortic atherosclerosis, (2) the degree and type of vascular calcification, and (3) factors involved in the calcification process. For creating CRF, 8-wk-old apolipoprotein E gene knockout (apoE(-/-)) mice underwent partial kidney ablation. Control animals underwent sham operation. Aortic atherosclerotic plaques and calcification were evaluated using quantitative morphologic image processing. At 6 wk after nephrectomy, CRF mice had significantly higher serum urea, cholesterol, and triglyceride concentrations than non-CRF controls. The serum levels of advanced oxidation protein products were elevated in the uremic group and were correlated with serum urea levels. Atherosclerotic lesions in thoracic aorta were significantly larger in uremic apoE(-/-) mice than in nonuremic controls. The relative proportion of calcified area to total surface area of both atherosclerotic lesions and lesion-free vascular tissue was increased in aortic root of uremic apoE(-/-) mice when compared with controls. The calcium deposits were made of hydroxyapatite and calcite crystals. In addition, plaques from uremic animals showed a significant increase in collagen content, whereas the degree of macrophage infiltration was comparable in both groups. There was no difference in mean arterial BP. These findings demonstrate that CRF aggravates atherosclerosis in apoE(-/-) mice. Moreover, CRF enhances arterial calcification at both atheromatous intimal sites and atheroma-free medial sites. We anticipate that this experimental model will be useful to test treatment strategies aimed at decreasing the accelerated atherosclerosis and arterial calcification in uremia.

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Crossref · 10.1681/asn.2004060495

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Authors
Massy, Z. A., Ivanovski, O., Nguyen-Khoa, T., Angulo, J., Szumilak, D., Mothu, N., Phan, O., Daudon, M., Lacour, B., Dru[Combining Diaeresis]eke, T. B., & Muntzel, M. S.
Affiliations
  • Hôpital Necker-Enfants Malades (FR)
  • Lehman College (US)
Corresponding author
  • Massy, Ziad A.
  • Ivanovski, Ognen
  • Szumilak, Dorota
  • Mothu, Nadya
  • Phan, Olivier
Venue
Journal of the American Society of Nephrology
Published
2005-01
Volume
16
Issue
1
Pages
109-116
ISSN
1046-6673 (ISSN-L)
OpenAlex
W2148770769
Cited by
203
References
40
Citations by year
2026: 1 · 2025: 2 · 2024: 7 · 2023: 5 · 2022: 8 · 2021: 8 · 2020: 11 · 2019: 13 · 2018: 3 · 2017: 7 · 2016: 5 · 2015: 10 · 2014: 14 · 2013: 14 · 2012: 7
FWCI
2.76
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Society of Nephrology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Nephrology › Parathyroid Disorders and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Dermatological and Skeletal Disorders
Keywords
uremia, chronic kidney disease, atherosclerosis, arterial calcification, ApoE-deficient mice, partial nephrectomy, advanced oxidation protein products, aortic plaque, hydroxyapatite, calcite crystals, collagen content, macrophage infiltration, serum urea, cholesterol and triglycerides
MeSH terms
Animals, Aorta, Apolipoproteins E, Arteriosclerosis, Body Weight, Calcinosis, Cholesterol, Collagen, Disease Models, Animal, Female, Kidney Failure, Chronic, Macrophages, Male, Mice, Inbred C57BL, Monocytes, Triglycerides, Urea, Uremia, Mice, Knockout, Disease Progression, Mice

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