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affinity biologicals/Factor VII Polyclonal Antibody/SAFVII-IG

  • 产品编号: SAFVII-IG
  • 美  元  价: 待定
  • 市  场  价: ¥0.00
  • 品       牌:
  • 产       地: 美国(厂家直采)
  • 公       司: affinitybiologicals
  • 产品分类:
  • 公司分类: Product Family
affinity biologicals/Factor VII Polyclonal Antibody/SAFVII-IG
  • affinity biologicals/Factor VII Polyclonal Antibody/SAFVII-IG
商品介绍

Description

Factor VII Polyclonal Antibody

Affinity’s Factor VII Polyclonal Antibody is the base level of our Factor VII antibody family.  The purity of IgG is typically 90% and is provided in a solution of HEPES buffered saline containing 50% glycerol (v/v).  The titre is essentially the same as the starting antiserum and each vial typically contains the amount of IgG recovered from one milliliter of antiserum.  This Factor VII Polyclonal Antibody is generally intended for use in applications such as immuno-precipitation, immuno-electrophoresis, immuno-depletion and activity neutralization assays.


Product Code: SAFVII-IG

Retail Product Size:  10mg vial

Host Animal: Sheep Anti-Human Factor VII Polyclonal Antibody

Species Cross Reactivity: View Chart

Product Datasheet: Factor VII F7 Polyclonal Antibody - purified anti-human sheep IgG


Description of Factor VII

Factor VII (FVII, also known as Stable Factor and Proconvertin) is a vitamin K-dependent glycoprotein produced in the liver. Plasma concentration of FVII is normally ~0.5 μg/ml (10 nM) in plasma. A deficiency of FVII is associated with bleeding in a clinical pattern similar to haemophilia, but is inherited as an autosomal recessive trait. The deficiency can be characterized by a quantitative (low activity and low antigen) or a qualitative (low activity and normal antigen) defect in FVII function. In its zymogen form FVII is a single chain molecule of ~50 kDa. It contains two EGF-like domains and an amino-terminal domain containing 10 γ-carboxyglutamic acid (Gla) residues. These Gla residues allow FVII to bind divalent metal ions and participate in calcium-dependent binding interactions. FVII and activated FVII (FVIIa) bind to tissue factor exposed at the site of vascular injury. FIXa, FXa or FVIIa rapidly activate tissue factor-bound FVII to FVIIa in the presence of calcium and phospholipid. Thrombin and FXIIa are able to activate FVII in the fluid phase in the absence of cofactors. The activation of the single chain zymogen FVII occurs by proteolysis after residue Arg152, resulting in a two-chain active serine protease consisting of a 30 kDa heavy chain and a 18 kDa light chain. In complex with tissue factor, phospholipid and calcium, FVIIa is able to activate F.X and F.IX. Free FVIIa in plasma is remarkably stable, but the activity of FVIIa/TF complex is regulated by Tissue Factor Pathway Inhibitor (TFPI) in the presence of F.Xa, and also by Antithrombin (ATIII) in the presence of heparin1-3.

References and Reviews

1. Rao LVM, Bajaj SP, Rapaport SI; Activation of Human Factor VII During Clotting in Vitro; Blood 65, pp 218-226, 1985.

2. Lawson, JH, Butenas S, Ribarik N, Mann KG; Complex-dependent Inhibition of Factor VIIa by Antithrombin III and Heparin; JBC 268 pp 767-770, 1993.

3. Nemerson Y, in Hemostasis and Thrombosis, 3rd Edition, eds. RW Colman, J Hirsh, VJ Marder and EW Salzman, pp. 81-93, J.B. Lippincott Co., Philadelphia PA, USA, 1994.

品牌介绍

Affinity Biologicals,Inc.是全球范围内用于血栓形成和止血研究与诊断的产品的主要制造商。我们的产品包括广泛的抗体,结合物,用于人类和动物分析物免疫测定的抗体对,完整的ELISA试剂盒的VisuLize系列以及包括VisuDep免疫缺陷因子缺乏血浆,VisuCal校准血浆的全系列人类血浆产品和VisuCon控制血浆。服务包括蛋白质纯化,抗体生产,测定开发,定制制造(包括定制冻干和能力验证材料)。


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凝血–止血质量控制血浆是进行凝血测定的诊断,研究和工业实验室的重要组成部分。为了确保准确的结果,所有试剂的一致性和可靠性至关重要。Affinity Biologics被公认为是高质量止血控制血浆的制造商。我们运用了制造知识和经验来生产VisuCon和VisuCal凝血系列–止血质量控制血浆产品,专为您的实验室设计。


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