Principle of the Assay: FVII ELISA kit applies the competitive enzyme immunoassay technique utilizing a polyclonal anti-FVII antibody and an FVII-HRP conjugate. The assay sample and buffer are incubated together with FVII-HRP conjugate in pre-coated plate for one hour. After the incubation period, the wells are decanted and washed five times. The wells are then incubated with a substrate for HRP enzyme. The product of the enzyme-substrate reaction forms a blue colored complex. Finally, a stop solution is added to stop the reaction, which will then turn the solution yellow. The intensity of color is measured spectrophotometrically at 450nm in a microplate reader. The intensity of the color is inversely proportional to the FVII concentration since FVII from samples and FVII-HRP conjugate compete for the anti-FVII antibody binding site. Since the number of sites is limited, as more sites are occupied by FVII from the sample, fewer sites are left to bind FVII-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The FVII concentration in each sample is interpolated from this standard curve.
NCBI and Uniprot Product Information
NCBI Description
This gene encodes coagulation factor VII which is a vitamin K-dependent factor essential for hemostasis. This factor circulates in the blood in a zymogen form, and is converted to an active form by either factor IXa, factor Xa, factor XIIa, or thrombin by minor proteolysis. Upon activation of the factor VII, a heavy chain containing a catalytic domain and a light chain containing 2 EGF-like domains are generated, and two chains are held together by a disulfide bond. In the presence of factor III and calcium ions, the activated factor then further activates the coagulation cascade by converting factor IX to factor IXa and/or factor X to factor Xa. Defects in this gene can cause coagulopathy. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, May 2012]
Uniprot Description
F7: Initiates the extrinsic pathway of blood coagulation. Serine protease that circulates in the blood in a zymogen form. Factor VII is converted to factor VIIa by factor Xa, factor XIIa, factor IXa, or thrombin by minor proteolysis. In the presence of tissue factor and calcium ions, factor VIIa then converts factor X to factor Xa by limited proteolysis. Factor VIIa will also convert factor IX to factor IXa in the presence of tissue factor and calcium. Defects in F7 are the cause of factor VII deficiency (FA7D). A hemorrhagic disease with variable presentation. The clinical picture can be very severe, with the early occurrence of intracerebral hemorrhages or repeated hemarthroses, or, in contrast, moderate with cutaneous-mucosal hemorrhages (epistaxis, menorrhagia) or hemorrhages provoked by a surgical intervention. Finally, numerous subjects are completely asymptomatic despite very low factor VII levels. Belongs to the peptidase S1 family. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: EC 3.4.21.21; Motility/polarity/chemotaxis; Secreted, signal peptide; Secreted; Apoptosis; Protease
Chromosomal Location of Human Ortholog: 13q34
Cellular Component: extracellular space; Golgi lumen; endoplasmic reticulum lumen; extracellular region; plasma membrane; vesicle
Molecular Function: protein binding; serine-type peptidase activity; serine-type endopeptidase activity; calcium ion binding; glycoprotein binding; receptor binding
Biological Process: circadian rhythm; organ regeneration; positive regulation of blood coagulation; positive regulation of positive chemotaxis; positive regulation of leukocyte chemotaxis; post-translational protein modification; proteolysis; peptidyl-glutamic acid carboxylation; positive regulation of protein kinase B signaling cascade; blood coagulation, extrinsic pathway; cellular protein metabolic process; response to vitamin K; response to estrogen stimulus; blood coagulation; positive regulation of cell migration
Disease: Myocardial Infarction, Susceptibility To; Factor Vii Deficiency
Research Articles on F7
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Product Notes
The Monkey F7 f7 (Catalog #AAA739575) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA739575 ELISA Kit recognizes Monkey F7. It is sometimes possible for the material contained within the vial of "Coagulation Factor VII, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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