Cited by 252Atherosclerosis and Cardiovascular DiseasesCholesterol and Lipid MetabolismLipoproteins and Cardiovascular Health

The DOI matches its Crossref record; 147 of the 148 references it cites were found in a registry or an index.

Aggregation, fusion, and vesicle formation of modified low density lipoprotein particles: molecular mechanisms and effects on matrix interactions

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Öörni, Katariina, Pentikäinen, Markku O., Ala-Korpela, Mika, Kovanen, Petri T.·2000·Journal of Lipid Research

Abstract

Initiation of atherosclerosis is characterized by accumulation of aggregates of small lipid droplets and vesicles in the extracellular matrix of the arterial intima. The droplets and vesicles have features that suggest that they are formed from modified plasma-derived low density lipoprotein (LDL) particles. A variety of hydrolytic enzymes and prooxidative agents that could lead to extracellular assembly of LDL-derived droplets and vesicles are present in the arterial intima. In fact, in vitro studies have demonstrated that extensive oxidation of LDL and treatment of LDL with either proteolytic or lipolytic enzymes will induce LDL aggregation and fusion and treatment of LDL with cholesterol esterase will cause formation of vesicles. Fusion of LDL particles proceeds faster in vitro when they are bound to components of the extracellular matrix derived from the arterial intima, such as proteoglycans, and, depending on the type of modification, the strength of binding of modified LDL to the matrix components may either increase or decrease. In the present article, we discuss molecular mechanisms that provide clues as to how aggregated lipid droplets and vesicles may be derived from modified LDL particles. We also describe how these modified forms of LDL, by means of their trapping to the extracellular matrix, may lead to extracellular lipid accumulation in the arterial intima.

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Research works printed but not linked: 2

  1. Borén, 1998, Engineering non-atherogenic low density lipoproteins: direct evidence for the “response-to-retention” hypothesis of atherosclerosis, Circulation, 98, I-314
  2. Hurt-Camejo, 1999, Inflammatory and atherogenic lipoprotein markers in patients with rheumatoid arthritis, Circulation, 100, I-813

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Metadata

Authors
Öörni, K., Pentikäinen, M. O., Ala-Korpela, M., & Kovanen, P. T.
Affiliations
Wihuri Research Institute (FI)
Corresponding author
Kovanen, Petri T.
Venue
Journal of Lipid Research
Publisher
Elsevier BV
Published
2000-11
Volume
41
Issue
11
Pages
1703-1714
ISSN
0022-2275 (ISSN-L)
OpenAlex
W1853133898
Cited by
252
References
148
Citations by year
2026: 2 · 2025: 9 · 2024: 4 · 2023: 5 · 2022: 6 · 2021: 13 · 2020: 9 · 2019: 8 · 2018: 11 · 2017: 4 · 2016: 5 · 2015: 8 · 2014: 12 · 2013: 8 · 2012: 21
FWCI
2.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Lipid Research (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipoproteins and Cardiovascular Health
Keywords
modified low-density lipoprotein, LDL oxidation, lipoprotein aggregation, vesicle formation, lipid droplets, atherosclerosis initiation, extracellular matrix, proteoglycans, cholesterol esterase, lipolytic enzymes, proteolytic enzymes, arterial intima
MeSH terms
Animals, Arteries, Arteriosclerosis, Chemistry, Physical, Extracellular Matrix, Humans, Lipolysis, Lipoproteins, LDL, Liposomes, Endopeptidases, Proteoglycans, Chemical Phenomena

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