7-Ketocholesterol is a lipid of Sterol Lipids (ST) class. 7-ketocholesterol is associated with abnormalities such as Atherosclerosis, Age related macular degeneration, Drusen, Cardiovascular Diseases and Hypercholesterolemia. The involved functions are known as mRNA Expression, Choroidal Neovascularization, Biochemical Pathway, Inflammation and Regulation. 7-ketocholesterol often locates in Basal lamina of choroid, Mitochondria, Epithelium, Frozen Sections and Membrane. The associated genes with 7-Ketocholesterol are ABCA1 gene, SLC33A1 gene, GAPDH gene, P4HTM gene and TSPO gene. The related lipids are Ketocholesterols, cholesterol oxide, Sterols, oxidized lipid and 7-ketocholesterol. The related experimental models are Knock-out and Mouse Model.
To understand associated biological information of 7-Ketocholesterol, we collected biological information of abnormalities, associated pathways, cellular/molecular locations, biological functions, related genes/proteins, lipids and common seen animal/experimental models with organized paragraphs from literatures.
7-Ketocholesterol is suspected in Atherosclerosis, Keratoconjunctivitis Sicca, endothelial dysfunction, Senile Plaques, Hypercholesterolemia, Hypercholesterolemia, Familial and other diseases in descending order of the highest number of associated sentences.
| Disease | Cross reference | Weighted score | Related literature |
|---|
We collected disease MeSH terms mapped to the references associated with 7-Ketocholesterol
| MeSH term | MeSH ID | Detail |
|---|---|---|
| Diabetic Retinopathy | D003930 | 39 associated lipids |
| Arteriosclerosis | D001161 | 86 associated lipids |
| Multiple Sclerosis | D009103 | 13 associated lipids |
| Niemann-Pick Diseases | D009542 | 25 associated lipids |
| Carotid Stenosis | D016893 | 15 associated lipids |
| Atherosclerosis | D050197 | 85 associated lipids |
There are no associated biomedical information in the current reference collection.
Associated locations are in red color. Not associated locations are in black.
| Location | Cross reference | Weighted score | Related literatures |
|---|
| Function | Cross reference | Weighted score | Related literatures |
|---|
| Lipid concept | Cross reference | Weighted score | Related literatures |
|---|
| Gene | Cross reference | Weighted score | Related literatures |
|---|
Knock-out are used in the study 'Isolation of macrophage-like cell mutants resistant to the cytotoxic effect of oxidized low density lipoprotein.' (Hakamata H et al., 1998) and Knock-out are used in the study 'Differential effects of PARP inhibition on vascular cell survival and ACAT-1 expression favouring atherosclerotic plaque stability.' (Hans CP et al., 2008).
Mouse Model are used in the study 'Activation of caspase-8 and caspase-12 pathways by 7-ketocholesterol in human retinal pigment epithelial cells.' (Luthra S et al., 2006).
| Model | Cross reference | Weighted score | Related literatures |
|---|
| Authors | Title | Published | Journal | PubMed Link |
|---|---|---|---|---|
| Aye IL et al. | Placental ABCA1 and ABCG1 transporters efflux cholesterol and protect trophoblasts from oxysterol induced toxicity. | 2010 | Biochim. Biophys. Acta | pmid:20570635 |
| Low YL and Hwang PL | Lymphoma cells selected for resistance against the cytotoxic effect of oxygenated sterols are also resistant to nonsteroidal antiestrogens. | 1995 | Biochim. Biophys. Acta | pmid:7578268 |
| Crow JA et al. | Inhibition of carboxylesterase activity of THP1 monocytes/macrophages and recombinant human carboxylesterase 1 by oxysterols and fatty acids. | 2010 | Biochim. Biophys. Acta | pmid:19761868 |
| Pilotelle-Bunner A et al. | The local electric field within phospholipid membranes modulates the charge transfer reactions in reaction centres. | 2009 | Biochim. Biophys. Acta | pmid:19306840 |
| Xu M et al. | Regulation of autophagic flux by dynein-mediated autophagosomes trafficking in mouse coronary arterial myocytes. | 2013 | Biochim. Biophys. Acta | pmid:24095928 |
| Tamasawa N et al. | An oxidized derivative of cholesterol increases the release of soluble vascular cell adhesion molecule-1 from human umbilical vein endothelial cells in culture. | 2001 | Biochim. Biophys. Acta | pmid:11325610 |
| Lyons MA and Brown AJ | 7-Ketocholesterol delivered to mice in chylomicron remnant-like particles is rapidly metabolised, excreted and does not accumulate in aorta. | 2001 | Biochim. Biophys. Acta | pmid:11239823 |
| Lyons MA et al. | Paradoxical enhancement of hepatic metabolism of 7-ketocholesterol in sterol 27-hydroxylase-deficient mice. | 2002 | Biochim. Biophys. Acta | pmid:12020639 |
| Prome D et al. | Conversion of sterols and triterpenes by mycobacteria. II. Transformation of 7-oxygenated sterols into androstane derivatives via a 7-deoxygenation. | 1987 | Biochim. Biophys. Acta | pmid:3663695 |
| Xu L et al. | 7-Dehydrocholesterol-derived oxysterols and retinal degeneration in a rat model of Smith-Lemli-Opitz syndrome. | 2012 | Biochim. Biophys. Acta | pmid:22425966 |
| Pinchuk I et al. | Kinetic analysis of copper-induced peroxidation of LDL. | 1998 | Biochim. Biophys. Acta | pmid:9461257 |
| Vitha MF and Clarke RJ | Comparison of excitation and emission ratiometric fluorescence methods for quantifying the membrane dipole potential. | 2007 | Biochim. Biophys. Acta | pmid:16904627 |
| Rasmiena AA et al. | High density lipoprotein efficiently accepts surface but not internal oxidised lipids from oxidised low density lipoprotein. | 2016 | Biochim. Biophys. Acta | pmid:26569052 |
| Vestergaard MC et al. | The effect of oxycholesterols on thermo-induced membrane dynamics. | 2011 | Biochim. Biophys. Acta | pmid:21600872 |
| Dorset DL | Binary phase behavior of angiotoxic oxidized cholesterols with cholesterol. | 1992 | Biochim. Biophys. Acta | pmid:1511006 |
| Hwang PL | Inhibitors of protein and RNA synthesis block the cytotoxic effects of oxygenated sterols. | 1992 | Biochim. Biophys. Acta | pmid:1379472 |
| Lee JW et al. | Extra-hepatic metabolism of 7-ketocholesterol occurs by esterification to fatty acids via cPLA2α and SOAT1 followed by selective efflux to HDL. | 2015 | Biochim. Biophys. Acta | pmid:25617738 |
| Akiba S et al. | Translocation of phospholipase A2 to membranes by oxidized LDL and hydroxyoctadecadienoic acid to contribute to cholesteryl ester formation. | 2004 | Biochim. Biophys. Acta | pmid:15522824 |
| Tamasawa N et al. | The effect of dietary 7-ketocholesterol, inhibitor of sterol synthesis, on hepatic microsomal cholesterol 7 alpha-hydroxylase activity in rat. | 1994 | Biochim. Biophys. Acta | pmid:8068724 |
| Hwang PL | High-affinity binding sites for oxygenated sterols in rat liver microsomes: possible identity with antiestrogen binding sites. | 1990 | Biochim. Biophys. Acta | pmid:2306459 |
| Huang JD et al. | Sterculic acid antagonizes 7-ketocholesterol-mediated inflammation and inhibits choroidal neovascularization. | 2012 | Biochim. Biophys. Acta | pmid:22342272 |
| Widerak M et al. | The aryl hydrocarbon receptor activates the retinoic acid receptoralpha through SMRT antagonism. | 2006 Mar-Apr | Biochimie | pmid:16480812 |
| Mitić T et al. | 11β-Hydroxysteroid dehydrogenase type 1 contributes to the regulation of 7-oxysterol levels in the arterial wall through the inter-conversion of 7-ketocholesterol and 7β-hydroxycholesterol. | 2013 | Biochimie | pmid:22940536 |
| Mathieu J et al. | Microbial degradation of 7-ketocholesterol. | 2008 | Biodegradation | pmid:18344006 |
| Favero GM et al. | Synthetic nanoemulsion resembling a protein-free model of 7-ketocholesterol containing low density lipoprotein: In vitro and in vivo studies. | 2010 | Biol. Res. | pmid:21526270 |
| Kim DH and Frangos JA | Effects of amyloid beta-peptides on the lysis tension of lipid bilayer vesicles containing oxysterols. | 2008 | Biophys. J. | pmid:18390616 |
| Ghosh S et al. | Cholesterol-oxidase-magnetic nanobioconjugates for the production of 4-cholesten-3-one and 4-cholesten-3, 7-dione. | 2018 | Bioresour. Technol. | pmid:29413944 |
| Ghosh S and Khare SK | Biodegradation of cytotoxic 7-Ketocholesterol by Pseudomonas aeruginosa PseA. | 2016 | Bioresour. Technol. | pmid:27020128 |
| Ohtani K et al. | Cytotoxicity of 7-ketocholesterol toward cultured rat hepatocytes and the effect of vitamin E. | 1996 | Biosci. Biotechnol. Biochem. | pmid:8988632 |
| Tomoyori H et al. | Lymphatic transport of dietary cholesterol oxidation products, cholesterol and triacylglycerols in rats. | 2002 | Biosci. Biotechnol. Biochem. | pmid:12036056 |
| Mathieu JM et al. | Increased resistance to oxysterol cytotoxicity in fibroblasts transfected with a lysosomally targeted Chromobacterium oxidase. | 2012 | Biotechnol. Bioeng. | pmid:22447444 |
| Fainaru O et al. | Active labour is associated with increased oxidisibility of serum lipids ex vivo. | 2002 | BJOG | pmid:12197375 |
| Klimenko OV et al. | Influence of the lung mechanical ventilation with injurious parameters on 7-ketocholesterol synthesis in Sus Scrofa. | 2010 | BMB Rep | pmid:20423610 |
| Sahai E et al. | Simultaneous imaging of GFP, CFP and collagen in tumors in vivo using multiphoton microscopy. | 2005 | BMC Biotechnol. | pmid:15910685 |
| Kell DB | Iron behaving badly: inappropriate iron chelation as a major contributor to the aetiology of vascular and other progressive inflammatory and degenerative diseases. | 2009 | BMC Med Genomics | pmid:19133145 |
| Dasari B et al. | The oxysterol 27-hydroxycholesterol increases β-amyloid and oxidative stress in retinal pigment epithelial cells. | 2010 | BMC Ophthalmol | pmid:20836858 |
| Ketola K et al. | Salinomycin inhibits prostate cancer growth and migration via induction of oxidative stress. | 2012 | Br. J. Cancer | pmid:22215106 |
| McKeague AL et al. | Staurosporine-induced apoptosis and hydrogen peroxide-induced necrosis in two human breast cell lines. | 2003 | Br. J. Cancer | pmid:12556971 |
| Tesoriere L et al. | Phytochemical indicaxanthin suppresses 7-ketocholesterol-induced THP-1 cell apoptosis by preventing cytosolic Ca(2+) increase and oxidative stress. | 2013 | Br. J. Nutr. | pmid:23228674 |
| Meynier A et al. | Effects of dietary oxysterols on coronary arteries in hyperlipidaemic hamsters. | 2002 | Br. J. Nutr. | pmid:12010578 |
| Ando M et al. | Dietary cholesterol-oxidation products accumulate in serum and liver in apolipoprotein E-deficient mice, but do not accelerate atherosclerosis. | 2002 | Br. J. Nutr. | pmid:12323083 |
| Huang RF et al. | In vitro folate supplementation alleviates oxidative stress, mitochondria-associated death signalling and apoptosis induced by 7-ketocholesterol. | 2004 | Br. J. Nutr. | pmid:15613250 |
| Martinet W et al. | Interactions between cell death induced by statins and 7-ketocholesterol in rabbit aorta smooth muscle cells. | 2008 | Br. J. Pharmacol. | pmid:18469840 |
| Deckert V et al. | The impairment of endothelium-dependent arterial relaxation by 7-ketocholesterol is associated with an early activation of protein kinase C. | 2002 | Br. J. Pharmacol. | pmid:12381679 |
| Akiba S et al. | The leaf extract of Ginkgo Biloba L. suppresses oxidized LDL-stimulated fibronectin production through an antioxidant action in rat mesangial cells. | 2004 | Br. J. Pharmacol. | pmid:15148252 |
| Ong WY et al. | Increase in cholesterol and cholesterol oxidation products, and role of cholesterol oxidation products in kainate-induced neuronal injury. | 2003 | Brain Pathol. | pmid:12946016 |
| Farooqui AA et al. | Comparison of biochemical effects of statins and fish oil in brain: the battle of the titans. | 2007 | Brain Res Rev | pmid:17959252 |
| Han JH et al. | Prevention of 7-ketocholesterol-induced mitochondrial damage and cell death by calmodulin inhibition. | 2007 | Brain Res. | pmid:17224136 |
| Kim A et al. | Taxifolin reduces the cholesterol oxidation product-induced neuronal apoptosis by suppressing the Akt and NF-κB activation-mediated cell death. | 2017 | Brain Res. Bull. | pmid:28710022 |
| Vejux A et al. | Side effects of oxysterols: cytotoxicity, oxidation, inflammation, and phospholipidosis. | 2008 | Braz. J. Med. Biol. Res. | pmid:18719735 |
| Moriel P et al. | Nitric oxide, cholesterol oxides and endothelium-dependent vasodilation in plasma of patients with essential hypertension. | 2002 | Braz. J. Med. Biol. Res. | pmid:12426629 |
| Dushkin MI et al. | Effects of hydroxysterols and atorvastatin on lipopolysaccharide-induced secretion of tumor necrosis factor and interleukin-10 by mouse macrophages. | 2006 | Bull. Exp. Biol. Med. | pmid:16984105 |
| Soejima S et al. | Hyperthermic sensitivity and cholesterol levels of mammalian cell lines in culture. | 1991 | Cancer Lett. | pmid:1933839 |
| Ramachandran CK et al. | Enhancement in the adhesion of tumor cells to endothelial cells by decreased cholesterol synthesis. | 1986 | Cancer Res. | pmid:3697991 |
| Zabirnyk O et al. | Oxidized low-density lipoproteins upregulate proline oxidase to initiate ROS-dependent autophagy. | 2010 | Carcinogenesis | pmid:19942609 |
| Appukuttan A et al. | Oxysterol-induced apoptosis of smooth muscle cells is under the control of a soluble adenylyl cyclase. | 2013 | Cardiovasc. Res. | pmid:23729662 |
| Seye CI et al. | 7-Ketocholesterol induces reversible cytochrome c release in smooth muscle cells in absence of mitochondrial swelling. | 2004 | Cardiovasc. Res. | pmid:15364622 |
| Zhang Y et al. | Defective autophagosome trafficking contributes to impaired autophagic flux in coronary arterial myocytes lacking CD38 gene. | 2014 | Cardiovasc. Res. | pmid:24445604 |
| Hans CP et al. | Differential effects of PARP inhibition on vascular cell survival and ACAT-1 expression favouring atherosclerotic plaque stability. | 2008 | Cardiovasc. Res. | pmid:18245064 |
| Lemaire-Ewing S et al. | Comparison of the cytotoxic, pro-oxidant and pro-inflammatory characteristics of different oxysterols. | 2005 | Cell Biol. Toxicol. | pmid:16142584 |
| O'Callaghan YC et al. | Comparative study of the cytotoxicity and apoptosis-inducing potential of commonly occurring oxysterols. | 2001 | Cell Biol. Toxicol. | pmid:11499696 |
| Cantwell H and Devery R | The response of the antioxidant defense system in rat hepatocytes challenged with oxysterols is modified by Covi-ox. | 1998 | Cell Biol. Toxicol. | pmid:9879932 |
| Harder T and Sangani D | Plasma membrane rafts engaged in T cell signalling: new developments in an old concept. | 2009 | Cell Commun. Signal | pmid:19732448 |
| Miguet C et al. | Ceramide generation occurring during 7beta-hydroxycholesterol- and 7-ketocholesterol-induced apoptosis is caspase independent and is not required to trigger cell death. | 2001 | Cell Death Differ. | pmid:11313706 |
| Berthier A et al. | Involvement of a calcium-dependent dephosphorylation of BAD associated with the localization of Trpc-1 within lipid rafts in 7-ketocholesterol-induced THP-1 cell apoptosis. | 2004 | Cell Death Differ. | pmid:15105836 |
| Lim L et al. | Lanosterol induces mitochondrial uncoupling and protects dopaminergic neurons from cell death in a model for Parkinson's disease. | 2012 | Cell Death Differ. | pmid:21818119 |
| Menu P et al. | Atherosclerosis in ApoE-deficient mice progresses independently of the NLRP3 inflammasome. | 2011 | Cell Death Dis | pmid:21451572 |
| Hult M et al. | Human and rodent type 1 11beta-hydroxysteroid dehydrogenases are 7beta-hydroxycholesterol dehydrogenases involved in oxysterol metabolism. | 2004 | Cell. Mol. Life Sci. | pmid:15095019 |
| Xu M et al. | Contribution of Nrf2 to Atherogenic Phenotype Switching of Coronary Arterial Smooth Muscle Cells Lacking CD38 Gene. | 2015 | Cell. Physiol. Biochem. | pmid:26315049 |
| Tesoriere L et al. | Oxysterol mixture in hypercholesterolemia-relevant proportion causes oxidative stress-dependent eryptosis. | 2014 | Cell. Physiol. Biochem. | pmid:25228229 |
| Lahoua Z et al. | Oxysterol activation of arachidonic acid release and prostaglandin E2 biosynthesis in NRK 49F cells is partially dependent on protein kinase C activity [corrected]. | 1991 | Cell. Signal. | pmid:1786206 |
| Deiana M et al. | Hydroxytyrosol glucuronides protect renal tubular epithelial cells against H(2)O(2) induced oxidative damage. | 2011 | Chem. Biol. Interact. | pmid:21798251 |
| Debbabi M et al. | Comparison of the effects of major fatty acids present in the Mediterranean diet (oleic acid, docosahexaenoic acid) and in hydrogenated oils (elaidic acid) on 7-ketocholesterol-induced oxiapoptophagy in microglial BV-2 cells. | 2017 | Chem. Phys. Lipids | pmid:28408132 |
| Rosa A et al. | Protective effect of the oligomeric acylphloroglucinols from Myrtus communis on cholesterol and human low density lipoprotein oxidation. | 2008 | Chem. Phys. Lipids | pmid:18498764 |
| Ragot K et al. | α-Tocopherol impairs 7-ketocholesterol-induced caspase-3-dependent apoptosis involving GSK-3 activation and Mcl-1 degradation on 158N murine oligodendrocytes. | 2011 | Chem. Phys. Lipids | pmid:21575614 |
| Rosa A et al. | Protective role of arzanol against lipid peroxidation in biological systems. | 2011 | Chem. Phys. Lipids | pmid:20932961 |
| Mintzer E et al. | Interaction of two oxysterols, 7-ketocholesterol and 25-hydroxycholesterol, with phosphatidylcholine and sphingomyelin in model membranes. | 2010 | Chem. Phys. Lipids | pmid:20471966 |
| Rosa-Fernandes L et al. | Outside-in, inside-out: Proteomic analysis of endothelial stress mediated by 7-ketocholesterol. | 2017 | Chem. Phys. Lipids | pmid:28663071 |
| Ghosh S and Khare SK | Biodegradation of 7-Ketocholesterol by Rhodococcus erythropolis MTCC 3951: Process optimization and enzymatic insights. | 2017 | Chem. Phys. Lipids | pmid:28571786 |
| Bezine M et al. | Evidence of K homeostasis disruption in cellular dysfunction triggered by 7-ketocholesterol, 24S-hydroxycholesterol, and tetracosanoic acid (C24:0) in 158N murine oligodendrocytes. | 2017 | Chem. Phys. Lipids | pmid:28322741 |
| Smondyrev AM and Berkowitz ML | Effects of oxygenated sterol on phospholipid bilayer properties: a molecular dynamics simulation. | 2001 | Chem. Phys. Lipids | pmid:11518570 |
| Coomes E et al. | Methotrexate in atherogenesis and cholesterol metabolism. | 2011 | Cholesterol | pmid:21490773 |
| Sanson M et al. | Oxidized low-density lipoproteins trigger endoplasmic reticulum stress in vascular cells: prevention by oxygen-regulated protein 150 expression. | 2009 | Circ. Res. | pmid:19106412 |
| Rao X et al. | CD36-dependent 7-ketocholesterol accumulation in macrophages mediates progression of atherosclerosis in response to chronic air pollution exposure. | 2014 | Circ. Res. | pmid:25186795 |
| Song J et al. | Association of Plasma 7-Ketocholesterol With Cardiovascular Outcomes and Total Mortality in Patients With Coronary Artery Disease. | 2017 | Circ. Res. | pmid:28381400 |
| Wen Y and Leake DS | Low density lipoprotein undergoes oxidation within lysosomes in cells. | 2007 | Circ. Res. | pmid:17446432 |
| Deckert V et al. | Inhibitors of arterial relaxation among components of human oxidized low-density lipoproteins. Cholesterol derivatives oxidized in position 7 are potent inhibitors of endothelium-dependent relaxation. | 1997 | Circulation | pmid:9024163 |
| Myoishi M et al. | Increased endoplasmic reticulum stress in atherosclerotic plaques associated with acute coronary syndrome. | 2007 | Circulation | pmid:17709641 |
| Fülöp T et al. | Immunosupportive therapies in aging. | 2007 | Clin Interv Aging | pmid:18044074 |
| Scopesi F et al. | 7-ketocholesterol in human and adapted milk formulas. | 2002 | Clin Nutr | pmid:12381334 |
| Abo K et al. | Comparative analysis of plasma and erythrocyte 7-ketocholesterol as a marker for oxidative stress in patients with diabetes mellitus. | 2000 | Clin. Biochem. | pmid:11124339 |
| Klinke G et al. | LC-MS/MS based assay and reference intervals in children and adolescents for oxysterols elevated in Niemann-Pick diseases. | 2015 | Clin. Biochem. | pmid:25819840 |
| Matysik S et al. | Gas chromatography-tandem mass spectrometry method for the simultaneous determination of oxysterols, plant sterols, and cholesterol precursors. | 2012 | Clin. Chem. | pmid:22997279 |
| Jacheć W et al. | Lipid peroxidation and vitamin E in human coronary atherosclerotic lesions. | 2003 | Clin. Chim. Acta | pmid:12636930 |
| Dyer RG et al. | 7-ketocholesterol, a specific indicator of lipoprotein oxidation, and malondialdehyde in non-insulin dependent diabetes and peripheral vascular disease. | 1997 | Clin. Chim. Acta | pmid:9101096 |
| Burnett JR et al. | Clinical and biochemical features, molecular diagnosis and long-term management of a case of cerebrotendinous xanthomatosis. | 2001 | Clin. Chim. Acta | pmid:11282095 |
| Tsuzuki D et al. | Analysis of 7-ketocholesterol in low density lipoprotein and fatty acid composition in erythrocyte membranes of patients on maintenance hemodialysis and healthy controls. | 2000 | Clin. Chim. Acta | pmid:10767401 |
| Romanello M et al. | Comprehensive Evaluation of Plasma 7-Ketocholesterol and Cholestan-3β,5α,6β-Triol in an Italian Cohort of Patients Affected by Niemann-Pick Disease due to NPC1 and SMPD1 Mutations. | 2016 | Clin. Chim. Acta | pmid:26790753 |
| Boenzi S et al. | A new simple and rapid LC-ESI-MS/MS method for quantification of plasma oxysterols as dimethylaminobutyrate esters. Its successful use for the diagnosis of Niemann-Pick type C disease. | 2014 | Clin. Chim. Acta | pmid:25038260 |
| Helmschrodt C et al. | Fast LC-MS/MS analysis of free oxysterols derived from reactive oxygen species in human plasma and carotid plaque. | 2013 | Clin. Chim. Acta | pmid:23827692 |