Active Apolipoprotein E (APOE) Homo sapiens (Human) Active protein

Apo-E; AD2; Apoprotein; Alzheimer Disease 2(E4-Associated,Late Onset

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Overview
Properties
  • Buffer FormulationPBS, pH7.4, containing 5% Trehalose.
  • Traits Freeze-dried powder, Purity > 90%
  • Isoelectric Point5.3
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  • Active Apolipoprotein E (APOE) Packages (Simulation)
  • Active Apolipoprotein E (APOE) Packages (Simulation)
  • APA704Hu61.jpg Figure. SDS-PAGE
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Activity test

Apolipoprotein E (APOE), a member of the apolipoprotein family, is a plasma protein that plays a key role in lipid metabolism and cholesterol transport. It binds and transports cholesterol and triglycerides, helping these lipid molecules move steadily through the blood. In addition, the combination of APOE and APOB can promote the binding of lipoprotein particles to cell surface receptors, so that cholesterol and triglycerides in lipoprotein particles can be absorbed by cells, thereby clearing lipids in the blood. Thus a functional binding ELISA assay was conducted to detect the interaction of recombinant human APOE and recombinant pig APOB. Briefly, biotin-linked APOE were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100 ul were then transferred to APOB-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST 3 times and incubation with Streptavidin-HRP for 30min, then wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50 µl stop solution to the wells and read at 450 nm immediately. The binding activity of recombinant human APOE and recombinant pig APOB was shown in Figure 1, and this effect was in a dose dependent manner.

Usage

Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.

Storage

Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.

Stability

The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.

Citations

  • Cerebrospinal fluid apolipoprotein E concentration decreases after seizureSeizure: PIIS1059131109002441
  • Hepatic lipase- and endothelial lipase-deficiency in mice promotes macrophage-to-feces RCT and HDL antioxidant propertiesPubMed: 23328279
  • Expression and clinical significance of apolipoprotein E in pancreatic ductal adenocarcinomaPubmed: 23609192
  • Adipocyte Atp-Binding Cassette G1 Promotes Triglyceride Storage, Fat Mass Growth And Human ObesityPubmed:25249572
  • Frequencies of apolipoprotein E alleles in depressed patients undergoing hemodialysis – a case-control studyPubMed: 25707516
  • Culturing of HepG2 cells with human serum improve their functionality and suitability in studies of lipid metabolismPubMed: 26515253
  • Adipocyte ATP-binding cassette G1 promotes triglyceride storage, fat mass growth, and human obesityPubMed: 25249572
  • Adaptive immunity against gut microbiota enhances apoE-mediated immune regulation andreduces atherosclerosis and western-diet-related inflammation.pubmed:27383250
  • Differential effects of apoE and apoJ mimetic peptides on the action of an anti-Aβ scFv in 3xTg-AD micePubmed:30026023
  • Deletion of plasma Phospholipid Transfer Protein (PLTP) increases microglial phagocytosis and reduces cerebral amyloid-β deposition in the J20 mouse …Pubmed:29731975
  • Comparative proteomics analysis of serum proteins in gestational diabetes during early and middle stages of pregnancyPubmed: 31162828
  • Hepatic HuR modulates lipid homeostasis in response to high-fat dietPubmed: 32546794
  • Pathology and Proteomics-Based Diagnosis of Localized Light-Chain Amyloidosis in Dogs and CatsPubmed: 32880234
  • The Significance of Apolipoprotein E Measurement in the Screening of Fetal Down Syndrome33321701
  • Discovery and validation of FBLN1 and ANT3 as potential biomarkers for early detection of cervical cancer33602229
  • GP73 is a TBC-domain Rab GTPase-activating protein contributing to the pathogenesis of non-alcoholic fatty liver disease without obesity34853313
  • Iridium nanoclusters as high sensitive-tunable elemental labels for immunoassays: Determination of IgE and APOE in aqueous humor by inductively coupled …Pubmed:35378356
  • Gold nanoclusters as elemental label for the sequential quantification of apolipoprotein E and metallothionein 2A in individual human cells of the retinal …Pubmed:35361429

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