ArticleScientific reports2018
oxLDL inhibits differentiation and functional activity of osteoclasts via scavenger receptor-A mediated autophagy and cathepsin K secretion.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 23 citations in OpenAlex.
- Citrate-Coated Iron Oxide Nanoparticles Facilitate Endothelialization of Left Ventricular Assist Device Impeller for Improved Antithrombogenicity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Oxidized Low-Density Lipoprotein Induces Reactive Oxygen Species-Dependent Proliferation of Intestinal Epithelial Cells.Pharmaceuticals (Basel, Switzerland) · 2024Article
- Interrelationships among metabolic syndrome, bone-derived cytokines, and the most common metabolic syndrome-related diseases negatively affecting bone quality.Diabetology & metabolic syndrome · 2024Review
- Reduced surface pH and upregulated AE2 anion exchange in SLC26A3-deleted polarized intestinal epithelial cells.American journal of physiology. Cell physiology · 2024Article
- The many roles of cathepsins in restenosis.Heliyon · 2024Article
- The Physiological and Pathological Role of Acyl-CoA Oxidation.International journal of molecular sciences · 2023Review
- Autophagy: An important target for natural products in the treatment of bone metabolic diseases.Frontiers in pharmacology · 2022Review
- Mitochondrial fatty acid β-oxidation is important for normal osteoclast formation in growing female mice.Frontiers in physiology · 2022Article
- Relationship Between Metabolic Syndrome and Bone Health - An Evaluation of Epidemiological Studies and Mechanisms Involved.Diabetes, metabolic syndrome and obesity : targets and therapy · 2020Review
- Positive association between metabolic syndrome and bone mineral density among Malaysians.International journal of medical sciences · 2020Observational
- oxLDL inhibits differentiation of mesenchymal stem cells into osteoblasts via the CD36 mediated suppression of Wnt signaling pathway.Molecular biology reports · 2019Article
- Article
- The Osteoprotective Effects Of Kaempferol: The Evidence From In Vivo And In Vitro Studies.Drug design, development and therapy · 2019Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Resorptive activity of osteoclasts is important for maintaining bone homeostasis. Endogenous compounds such as oxidized low density lipoprotein (oxLDL) have been shown to disturb this activity. While some studies have investigated the effects of oxLDL on the process of osteoclastogenesis, the underlying mechanism are not fully understood. We show here that oxLDL concentrations of ~10-25 µg protein (0.43-1.0 µM MDA/mg protein) completely blocked the formation of functional osteoclasts. The underlying mechanism implies an inhibition of autophagy that in turn leads to a decreased fusion of cathepsin K (CatK)-loaded lysosomal vesicles with the ruffled border membrane. As result, a lower secretion of CatK and impaired protonation of the resorption lacunae by vacuolar-ATPase (v-ATPase) is observed in the presence of oxLDL. We demonstrate that scavenger receptor A (SR-A) mediates oxLDL effects on osteoclastogenesis and repressing this receptor partially rescued oxLDL effects. Collectively, our data provides an insight into the possible mechanism of oxLDL on osteoclastogenesis suggesting that it does not perturb the packaging of CatK and v-ATPase (V-a3) in the secretory lysosome, but inhibits the fusion of these lysosomes to the ruffled border. The relevance of our findings suggests a distinct link between oxLDL, autophagy and osteoclastogenesis.
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