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Apolipoprotein B

apolipoprotein B, apoB, Apolipoprotein B-100, apoB-100
This gene product is the main apolipoprotein of chylomicrons and low density lipoproteins. It occurs in plasma as two main isoforms, apoB-48 and apoB-100: the former is synthesized exclusively in the gut and the latter in the liver. The intestinal and the hepatic forms of apoB are encoded by a single gene from a single, very long mRNA. The two isoforms share a common N-terminal sequence. The shorter apoB-48 protein is produced after RNA editing of the apoB-100 transcript at residue 2180 (CAA->UAA), resulting in the creation of a stop codon, and early translation termination. Mutations in this gene or its regulatory region cause hypobetalipoproteinemia, normotriglyceridemic hypobetalipoproteinemia, and hypercholesterolemia due to ligand-defective apoB, diseases affecting plasma cholesterol and apoB levels. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: HDL, HAD, AGE, CAN, ACID
Papers using apolipoprotein B antibodies
siRNA off-target effects can be reduced at concentrations that match their individual potency
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Harada-Shiba Mariko et al., In Molecular Therapy. Nucleic Acids, 2010
... Membranes were then incubated with primary antibody for mouse apoB-100 or -48 (Meridian Life Science, Inc., Saco, ME) for ...
Anionic phospholipids lose their procoagulant properties when incorporated into high density lipoproteins
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Reitsma Pieter H., In PLoS ONE, 2008
... the goat polyclonal IgG to human apolipoprotein A-II and the goat polyclonal IgG to human apolipoprotein B were from Abcam (Cambridge, UK) ...
Hepatic expression of microsomal triglyceride transfer protein and in vivo secretion of triglyceride-rich lipoproteins are increased in obese diabetic mice.
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Polidori Carlo, In PLoS ONE, 2001
... Seven-week-old male C57Bl/6 and human apoB-transgenic mice (B6.SJL-Tg(APOB)1102Sgy-mice backcrossed to ...
A third-generation lentivirus vector with a conditional packaging system.
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Lindenbach Brett D., In PLoS Pathogens, 1997
... Antibodies were obtained from the following companies: Apolipoprotein B (Millipore); PLA2G4A (Abcam ...
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Papers on apolipoprotein B
Apolipoprotein A-I mimetic peptide 4F blocks sphingomyelinase-induced LDL aggregation.
New
Öörni et al., Helsinki, Finland. In J Lipid Res, 10 May 2015
At a molar ratio of L-4F to apoB-100 of 2.5 to 20:1, 4F dose-dependently inhibited SMase-induced LDL aggregation.
Deviant early pregnancy maternal triglyceride levels and increased risk of congenital anomalies: a prospective community-based cohort study.
New
Gademan et al., Amsterdam, Netherlands. In Bjog, 08 May 2015
METHODS: Non-fasting blood samples from pregnant women participating in the ABCD-study (median 12.9 weeks of gestation) were analysed for triglycerides (TG), cholesterol (TC), free fatty acids (FFA), apolipoprotein B (ApoB), and apolipoprotein A1 (ApoA) (n = 3074).
[New agents for hypercholesterolemia].
Review
New
García Gómez et al., Barcelona, Spain. In Med Clin (barc), 24 Apr 2015
Agents inhibiting apolipoprotein B synthesis and microsomal transfer protein are also providing a new potential to decrease cholesterol in patients with severe hypercholesterolemia and in particular in homozygote familial hypercholesterolemia. Last, cholesteryl ester transfer protein inhibitors have shown powerful effects on c-HDL and c-LDL, although their efficacy in cardiovascular prevention and safety has not been demonstrated yet.
Apolipoprotein B: novel indicator of elevated intraocular pressure.
New
Son et al., Taegu, South Korea. In Eye (lond), 20 Apr 2015
Furthermore, according to a recent study, serum apolipoprotein B (APO B) level is a predictor of coronary artery disease.
Association between familial hypercholesterolemia and prevalence of type 2 diabetes mellitus.
New
Impact
Hovingh et al., Amsterdam, Netherlands. In Jama, 10 Apr 2015
Low-density lipoprotein (LDL) receptor mutations were considered more severe than apolipoprotein B gene (APOB) mutations, and receptor-negative LDL receptor mutations were considered more severe than receptor-deficient mutations.
Contemporary aspects of the biology and therapeutic regulation of the microsomal triglyceride transfer protein.
Review
New
Watts et al., Perth, Australia. In Circ Res, Feb 2015
The microsomal triglyceride transfer protein (MTP), the product of the MTTP gene, is essential for the assembly and secretion of apolipoprotein B-containing lipoproteins, but when defective causes abetalipoproteinemia. Abetalipoproteinemia is a rare autosomal recessive disorder characterized by the inability to produce chylomicrons or very low-density lipoproteins, with the absence of apolipoprotein B-containing lipoproteins in the circulation.
[The alternative view on diagnostic of hyperlipoproteinemia, cholesterol lipoproteins of low density and effect of statins: a lecture].
New
In Klin Lab Diagn, Jan 2015
The effect of statins occur in several stages: 1) inhibition in hepatocytes of synthesis of functionally specific pool of spirit cholesterol, polar mono-layer of lipoproteins of very low density; 2) activation of hydrolysis of triglycerides in lipoproteins of very low density, formation of apoE/B-100-ligand and absorption of lipoproteins of very low density by insulin-depended cells; 3) decreasing of content of and spirit cholesterol-lipoproteins of very low density in blood plasma; 4) activation of hydrolysis of triglycerides in lipoproteins of low density, formation of apoB-100-ligand and absorption of lipoproteins of low density by insulin-independent cells; 5) decreasing of level of and increasing of content of lipoproteins of high density.
Metabolic hormones, apolipoproteins, adipokines, and cytokines in the alveolar lining fluid of healthy adults: compartmentalization and physiological correlates.
New
Brain et al., Bogotá, Colombia. In Plos One, Dec 2014
RESULTS: ALF measurements from 24 individuals detected 19 proteins, including adiponectin, adipsin, apoA-I, apoA-II, apoB, apoC-II, apoC-III, apoE, C-reactive protein, ghrelin, glucose-dependent insulinotropic peptide (GIP), glucagon-like peptide-1 (GLP-1), glucagon, insulin, leptin, monocyte chemoattractant protein-1, plasminogen activator inhibitor-1, resistin, and visfatin.
Lysosomal acid lipase: at the crossroads of normal and atherogenic cholesterol metabolism.
Review
New
Francis et al., Vancouver, Canada. In Front Cell Dev Biol, Dec 2014
Unregulated cellular uptake of apolipoprotein B-containing lipoproteins in the arterial intima leads to the formation of foam cells in atherosclerosis.
The genetics of familial hypercholesterolemia and emerging therapies.
Review
New
Vogt, München, Germany. In Appl Clin Genet, Dec 2014
Mutations of the genes encoding for the LDL receptor, apolipoprotein B and proprotein convertase subtilisin/kexin type 9, are causes for this autosomal dominant inherited condition.
Hypermutation in human cancer genomes: footprints and mechanisms.
Review
New
Impact
Gordenin et al., In Nat Rev Cancer, Dec 2014
This major expansion of cancer mutation data sets has provided unprecedented statistical power for the analysis of mutation spectra, which has confirmed several classical sources of mutation in cancer, highlighted new prominent mutation sources (such as apolipoprotein B mRNA editing enzyme catalytic polypeptide-like (APOBEC) enzymes) and empowered the search for cancer drivers.
[The low content of apolipoprotein E as a risk factor of increasing of ratio apolipoprotein B/A-1 in healthy males with normal lipemia].
New
In Klin Lab Diagn, Dec 2014
In general, among patients with unfavorable ratio apoB/apoA-1 in spite of normal lipemia were detected higher indicators of triglycerides and atherogenic index of plasma and lower values of ratio of cholesterol lipoproteins of low density and apoB.
A 52-week placebo-controlled trial of evolocumab in hyperlipidemia.
New
Impact
DESCARTES Investigators et al., Stellenbosch, South Africa. In N Engl J Med, Jun 2014
Evolocumab treatment also significantly reduced levels of apolipoprotein B, non-high-density lipoprotein cholesterol, lipoprotein(a), and triglycerides.
The combined hyperlipidemia caused by impaired Wnt-LRP6 signaling is reversed by Wnt3a rescue.
Review
New
Impact
Mani et al., New Haven, United States. In Cell Metab, Mar 2014
Further investigation showed that LRP6(R611C) mutation triggers hepatic de novo lipogenesis, lipid and cholesterol biosynthesis, and apoB secretion by an Sp1-dependent activation of IGF1, AKT, and both mTORC1 and mTORC2.
MicroRNA-30c reduces hyperlipidemia and atherosclerosis in mice by decreasing lipid synthesis and lipoprotein secretion.
Impact
Hussain et al., New York City, United States. In Nat Med, 2013
We show that microRNA-30c (miR-30c) interacts with the 3' untranslated region of MTP mRNA and induces its degradation, leading to reductions in MTP activity and in apolipoprotein B (APOB) secretion.
Hepatic sortilin regulates both apolipoprotein B secretion and LDL catabolism.
GeneRIF
Rader et al., Philadelphia, United States. In J Clin Invest, 2012
model in which increased hepatic sortilin binds intracellular APOB-containing particles in the Golgi apparatus as well as extracellular LDL at the plasma membrane and traffics them to the lysosome for degradation
Elevated ApoB serum levels strongly predict early cardiovascular events.
GeneRIF
de Faire et al., Stockholm, Sweden. In Heart, 2012
Data indicate that increased ApoB serum levels are important predictors of early cardiovascular events.
ApoB-containing lipoproteins regulate angiogenesis by modulating expression of VEGF receptor 1.
Impact
GeneRIF
Yaniv et al., Israel. In Nat Med, 2012
found that ApoB negatively regulates angiogenesis and that it is the ApoB protein particle
A prospective genetic marker of the visual-perception disorder Meares-Irlen syndrome.
GeneRIF
Watson et al., Armidale, Australia. In Percept Mot Skills, 2012
APOB 3' VNTR locus is a potential marker for susceptibility to Meares-Irlen syndrome and perhaps other related conditions
Synthesis, conformation and vibrational dynamics of the peptide -Ser-Cys-Lys-Leu-Asp-Phe-, a fragment of apolipoprotein B.
GeneRIF
Vijai Prakash et al., Lucknow, India. In Indian J Biochem Biophys, 2002
Synthesis, conformation and vibrational dynamics of the peptide -Ser-Cys-Lys-Leu-Asp-Phe-, a fragment of apolipoprotein B
More papers using apolipoprotein B antibodies
Multiply attenuated lentiviral vector achieves efficient gene delivery in vivo.
Supplier
Lindenbach Brett, In PLoS ONE, 1996
... Heart Institute (University of Ottawa, Ontario, Canada), anti-apoB (clone 1609) monoclonal antibodies and peroxidase-conjugated goat anti-apoB antibodies were from Biodesign (Saco, ME, USA) ...
PKC gamma mutant mice exhibit mild deficits in spatial and contextual learning
Supplier
Skoulakis Efthimios M. C., In PLoS ONE, 1992
... ApoB-100 transgenic mice were produced in ...
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