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Cited by 510

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Oxidized Low Density Lipoprotein (ox-LDL) Binding to ox-LDL Receptor-1 in Endothelial Cells Induces the Activation of NF-κB through an Increased Production of Intracellular Reactive Oxygen Species

Open access
Cominacini, Luciano, Pasini, Anna Fratta, Garbin, Ulisse, Davoli, Anna, Tosetti, Maria L., Campagnola, Mario, Rigoni, Anna, Pastorino, Antonio M., Lo Cascio, Vincenzo, Sawamura, Tatsuya·2000·Journal of Biological Chemistry

Abstract

In this study we examined the effect of oxidized low density lipoprotein (ox-LDL) on the intracellular production of reactive oxygen species (ROS) in bovine aortic endothelial cells (BAECs) and whether this increase occurs through its binding to the endothelial receptor lectin-like ox-LDL receptor-1 (LOX-1). Furthermore, this study also aimed to ascertain whether the binding of ox-LDL to LOX-1 is associated with NF-kappaB activation. ox-LDL induced a significant dose-dependent increase in ROS production after a 30-s incubation with BAECs (p < 0.01). ROS formation was markedly reduced in BAECs incubated with anti-LOX-1 monoclonal antibody (p < 0.001), while control nonimmune IgG produced no effect. ox-LDL induced a time- and dose-dependent significant increase in ROS formation only in CHO-K1 cells stably expressing bovine LOX-1 (p < 0.001), while no increase was present in CHO-K1 cells. The activation of the transcription factor NF-kappaB in BAECs was evident after a 5-min incubation with ox-LDL and was attenuated by anti-LOX-1 monoclonal antibody. The conclusion is that one of the pathophysiological consequences of ox-LDL binding to LOX-1 may be the activation of NF-kappaB through an increased ROS production.

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Crossref · 10.1074/jbc.275.17.12633

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Metadata

Authors
Cominacini, L., Pasini, A. F., Garbin, U., Davoli, A., Tosetti, M. L., Campagnola, M., Rigoni, A., Pastorino, A. M., Lo Cascio, V., & Sawamura, T.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2000-04
Volume
275
Issue
17
Pages
12633-12638
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1972938168
Cited by
510
References
1
FWCI
7.31
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Oxidized Low Density Lipoprotein (ox-LDL) Binding to ox-LDL Receptor-1 in Endothelial Cells Induces the Activation of NF-κB through an Increased Production of Intracellular Reactive Oxygen Species. https://app.cochat.ai/papers/10.1074/jbc.275.17.12633
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Cominacini, L., Pasini, A. F., Garbin, U., Davoli, A., Tosetti, M. L., Campagnola, M., Rigoni, A., Pastorino, A. M., Lo Cascio, V., & Sawamura, T. (2000). Oxidized Low Density Lipoprotein (ox-LDL) Binding to ox-LDL Receptor-1 in Endothelial Cells Induces the Activation of NF-κB through an Increased Production of Intracellular Reactive Oxygen Species. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.275.17.12633

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.