Cited by 71Lipid metabolism and disordersCholesterol and Lipid MetabolismLipoproteins and Cardiovascular Health

Chylomicronemia elicits atherosclerosis in mice—brief report.

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Weinstein, Michael M., Yin, Liya, Tu, Yiping, Wang, Xuping, Wu, Xiaohui, Castellani, Lawrence W., Walzem, Rosemary L., Lusis, Aldons J. +3 more·2010·Arteriosclerosis, Thrombosis, and Vascular Biology

Abstract

OBJECTIVE: The risk of atherosclerosis in the setting of chylomicronemia has been a topic of debate. In this study, we examined susceptibility to atherosclerosis in Gpihbp1-deficient mice (Gpihbp1(-/-)), which manifest severe chylomicronemia as a result of defective lipolysis. METHODS AND RESULTS: Gpihbp1(-/-) mice on a chow diet have plasma triglyceride and cholesterol levels of 2812+/-209 and 319+/-27 mg/dL, respectively. Even though nearly all of the lipids were contained in large lipoproteins (50 to 135 nm), the mice developed progressive aortic atherosclerosis. In other experiments, we found that both Gpihbp1-deficient "apo-B48-only" mice and Gpihbp1-deficient "apo-B100-only" mice manifest severe chylomicronemia. Thus, GPIHBP1 is required for the processing of both apo-B48- and apo-B100-containing lipoproteins. CONCLUSIONS: Chylomicronemia causes atherosclerosis in mice. Also, we found that GPIHBP1 is required for the lipolytic processing of both apo-B48- and apo-B100-containing lipoproteins.

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Crossref · 10.1161/atvbaha.109.196329

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  • A variety of animal models produced using dietary or genetic manipulations have confirmed that chylomicron remnants are atherogenic.

    “A variety of animal models produced using dietary or genetic manipulations have confirmed that chylomicron remnants are atherogenic (139, 144).”

    From Evaluation and Treatment of Hypertriglyceridemia: An Endocrine Society Clinical Practice Guideline (2012) · cites this paper as [139]

    The Introduction states that human and mouse studies have shown cholesterol-rich remnants cause atherosclerosis. But the Methods and Discussion describe this paper’s own experiment as a genetic mouse model fed low-fat chow: it found atherosclerosis with severe chylomicronemia, not that a variety of dietary and genetic models confirmed the atherogenicity of chylomicron remnants. Page numbers are unavailable in our copy. (LLM, conf=0.86)

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  • Severely hypertriglyceridemic animals, especially genetically modified mice, develop only early-stage lesions.

    “Although there are a number of severely hypertriglyceridemic animals, especially genetically modified mice, these animals develop only early-stage lesions (138, 139).”

    From Evaluation and Treatment of Hypertriglyceridemia: An Endocrine Society Clinical Practice Guideline (2012) · cites this paper as [139]

    The Discussion (page unavailable) says lesions in severely hypertriglyceridemic Gpihbp1-deficient mice are small and develop more slowly than those in Apoe- or Ldlr-deficient mice. The Results (page unavailable) report that the lesions become larger with age. The paper does not classify them as only early-stage lesions or establish that this holds for severely hypertriglyceridemic animals generally. (LLM, conf=0.83)

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Authors
Weinstein, M. M., Yin, L., Tu, Y., Wang, X., Wu, X., Castellani, L. W., Walzem, R. L., Lusis, A. J., Fong, L. G., Beigneux, A. P., & Young, S. G.
Affiliations
University of California, Los Angeles (US)
Venue
Arteriosclerosis, Thrombosis, and Vascular Biology
Published
2010-01
Volume
30
Issue
1
Pages
20-23
ISSN
  • 1079-5642 (ISSN-L)
  • 1524-4636
OpenAlex
W2116482139
Cited by
71
References
9
Citations by year
2026: 2 · 2025: 1 · 2024: 2 · 2023: 3 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 3 · 2018: 6 · 2016: 1 · 2015: 7 · 2014: 5 · 2013: 8 · 2012: 6
FWCI
6.04
Type
journal article
Language
en
Open access
Locations
  • Arteriosclerosis Thrombosis and Vascular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Heart, Lung, and Blood Institute (P01HL090553, T32 HL-69766, R01HL087228, HL-087228, HL090553, R01HL094732, T32HL069766)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
chylomicronemia, atherosclerosis, GPIHBP1, lipolysis, lipoprotein processing, plasma triglycerides, aortic atherosclerosis
MeSH terms
Animals, Animal Feed, Aortic Diseases, Chylomicrons, Fatty Acids, Female, Lipolysis, Male, Mice, Mutant Strains, Risk Factors, Triglycerides, Receptors, Lipoprotein, Genetic Predisposition to Disease, Atherosclerosis, Mice, Apolipoprotein B-48, Apolipoprotein B-100

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