Active Phospholipase A2 Group VII (LpPLA2) Homo sapiens (Human) Active protein

PLA2G7; PAF-AH; PAFAH; Lp-PLA2; LDL-PLA2; Platelet Activating Factor Acetylhydrolase,Plasma; Phospholipase A2,Group VII; LDL-associated phospholipase A2; Phospholipase A2, Lipoprotein Associated

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Overview
Properties
  • Buffer FormulationPBS, pH7.4, containing 0.01% SKL, 5% Trehalose.
  • Traits Freeze-dried powder, Purity > 90%
  • Isoelectric Point7.1
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  • Active Phospholipase A2 Group VII (LpPLA2) Packages (Simulation)
  • Active Phospholipase A2 Group VII (LpPLA2) Packages (Simulation)
  • Active Phospholipase A2 Group VII (LpPLA2) Figure. Gene Sequencing (Extract)
  • APA867Hu01.png Figure. SDS-PAGE
  • Active Phospholipase A2 Group VII (LpPLA2) WB Image
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Activity test

Phospholipase A2 Group VII (PLA2G7) which is also known as Lp-PLA2, is a plasma enzyme bound to lipoproteins: 80% bound to LDL, 15%-20% to HDL, and the remainder to VLDL. It is produced in major by mature macrophages and activated platelets and catalyzes the degradation of platelet-activating factor to biologically inactive products. Besides, Paraoxonase 1 (PON1) has been identified as an interactor of PLA2G7, thus a functional binding ELISA assay was conducted to detect the interaction of recombinant human PLA2G7 and recombinant rat PON1. Briefly, PLA2G7 were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100 ul were then transferred to PON1-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST and incubated for 1h with anti-PLA2G7 pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50µL stop solution to the wells and read at 450/630 nm immediately. The binding activity of recombinant human PLA2G7 and recombinant rat PON1 was shown in Figure 1, the EC50 for this effect is 0.7 ug/mL.

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

  • The effects of different intensity walking programs on serum blood lipids, high-sensitive C-reactive protein, and lipoprotein-associated phospholipase A2 in premenopausal womenScienceDirect: S0765159710000262
  • Association of Serum Lipoprotein-Associated Phospholipase A2 Level with Nonalcoholic Fatty Liver DiseaseWiley: source
  • Effects of Pycnogenol on endothelial function in patients with stable coronary artery disease: a double-blind, randomized, placebo-controlled, cross-over studyPubMed: 22240497
  • Effects of Lipid-Lowering Drugs on Irisin in Human Subjects In Vivo and in Human Skeletal Muscle Cells Ex VivoPubMed: PMC3759413
  • Influence of Tongfengtai Granules on Inflammatory Factor in Acute Gouty Arthritis Model RatsSource
  • Everolimus therapy is associated with reduced lipoprotein-associated phospholipase A2 (Lp-Pla2) activity and oxidative stress in heart transplant recipients.Pubmed: 23958269
  • Lipoprotein-Associated Phospholipase A2 Mass Level Is Increased in Elderly Subjects with Type 2 Diabetes MellitusHindawi: 278063
  • The Role of Asymmetric Dimethylarginine and Lipoprotein Associated Phospholipase A2 in Children and Adolescents with DyslipidemiaScirp:Source
  • In vitro lipid-lowering and fibrinolytic effects of regulatory leucine-containing glyprolines in human bloodSpringer:Source
  • Lipoprotein-associated phospholipase A2 and AGEs are associated with cardiovascular risk factors in women with history of gestational diabetes mellitus.Pubmed:24397392
  • Lipoprotein-Associated Phospholipase A 2 Mass Level Is Increased in Elderly Subjects with Type 2 Diabetes MellitusPubmed:24818163
  • Effects of sitagliptin therapy on markers of low-grade inflammation and cell adhesion molecules in patients with type 2 diabetesPubmed:25034387
  • Effect of Extended‐Release Niacin on High‐Density Lipoprotein (HDL) Functionality, Lipoprotein Metabolism, and Mediators of Vascular Inflammation in Statin‐Treated PatientsPubMed: 26374297
  • VEbscohost
  • Effect of Pitavastatin Treatment on ApoB-48 and Lp-PLA2 in Patients with Metabolic Syndrome: Substudy of PROspective Comparative Clinical Study Evaluating the Efficacy and Safety of PITavastatin in Patients with Metabolic Syndromepmc:PMC4803547
  • Effect of dipyridamole on myocardial reperfusion injury: A double‐blind randomized controlled trial in patients undergoing elective coronary artery bypass surgeryPubmed:25773594
  • Effect of intensive insulin treatment on plasma levels of lipoprotein-associated phospholipase A 2 and secretory phospholipase A 2 in patients with newly …articles:10.1186
  • SERUM LIPOPROTEIN-ASSOCIATED PHOSPHOLIPASE A2 IN MALES WITH METABOLIC SYNDROME AND OBSTRUCTIVE SLEEP APNEA.jrnl:1841098
  • Biomarker for diagnosis of moyamoya disease:
  • Circulating fatty-acid binding-protein 4 levels predict CV events in patients after coronary interventionsPubmed: 32859455
  • Can admission lipoprotein-associated phospholipase A2 predict the symptomatic cerebral vasospasm following aneurysmal subarachnoid hemorrhage?

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