Cited by 258Atherosclerosis and Cardiovascular DiseasesBone Metabolism and DiseasesDermatological and Skeletal Disorders

Osteoprotegerin Inhibits Vascular Calcification Without Affecting Atherosclerosis in ldlr (−/−) Mice

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Morony, Sean, Tintut, Yin, Zhang, Zina, Cattley, Russell C., Van, Gwyneth, Dwyer, Denise, Stolina, Marina, Kostenuik, Paul J. +1 more·2008·Circulation

Abstract

Background— The role of osteoprotegerin in vascular disease is unclear. Recent observational studies show that serum osteoprotegerin levels are associated with the severity and progression of coronary artery disease, atherosclerosis, and vascular calcification in patients. However, genetic and treatment studies in mice suggest that osteoprotegerin may protect against vascular calcification. Methods and Results— To test whether osteoprotegerin induces or prevents vascular disease, we treated atherogenic diet–fed ldlr (−/−) mice with recombinant osteoprotegerin (Fc-OPG) or vehicle for 5 months. Vehicle-treated mice developed significant, progressive atherosclerosis with increased plasma osteoprotegerin levels, consistent with observational studies, and ≈15% of these atherosclerotic lesions developed calcified cartilage-like metaplasia. Treatment with Fc-OPG significantly reduced the calcified lesion area without affecting atherosclerotic lesion size or number, vascular cytokines, or plasma cholesterol levels. Treatment also significantly reduced tissue levels of aortic osteocalcin, a marker of mineralization. Conclusions— These data support a role for osteoprotegerin in the vasculature as an inhibitor of calcification and a marker, rather than a mediator, of atherosclerosis.

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Authors
Morony, S., Tintut, Y., Zhang, Z., Cattley, R. C., Van, G., Dwyer, D., Stolina, M., Kostenuik, P. J., & Demer, L. L.
Affiliations
Amgen (United States) (US)
Venue
Circulation
Published
2008-01-22
Volume
117
Issue
3
Pages
411-420
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2073733302
Cited by
258
References
41
Citations by year
2026: 9 · 2025: 1 · 2024: 9 · 2023: 5 · 2022: 5 · 2021: 7 · 2020: 11 · 2019: 8 · 2018: 12 · 2017: 14 · 2016: 18 · 2015: 19 · 2014: 14 · 2013: 17 · 2012: 19
FWCI
12.24
Type
journal article
Language
en
Open access
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Heart, Lung, and Blood Institute (R01HL081202, HL-081202)
  • National Institute of General Medical Sciences (T32GM065823)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Dermatological and Skeletal Disorders
Keywords
osteoprotegerin, vascular calcification, atherosclerosis, LDL receptor knockout mice, atherogenic diet, osteocalcin, coronary artery disease, vascular disease
MeSH terms
Animals, Aorta, Calcinosis, Endothelium, Vascular, Receptors, LDL, Recombinant Proteins, RNA, Messenger, Vascular Diseases, Mice, Knockout, Atherosclerosis, Mice, Osteoprotegerin, RANK Ligand

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