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The antiSerum does not cross-react with any other Human plasma proteins as tested in gel-diffusion techniques. Interspecies cross-reactivity is a normal feature of antibodies to plasma proteins, since homologous proteins of different species frequently share antigenic determinants. Cross-reactivity of this antiSerum has not been tested in detail, however in double radial immunodiffusion a reaction with Rhesus Monkey has been observed.
In immunoelectrophoresis in agarose-plates use 2 µL human plasma or equivalent against 120 µL antiserum. In double radial immunodiffusion use a rosette arrangement with 10 µL antiserum in 3 mm diameter center well and 2 µL plasma samples (neat and serially diluted) in 2 mm diameter peripheral wells. In electroimmunodiffusion the antiserum concentration required in the gel is normally between 1 and 2%. The amount of Factor VII precipitated by 1 mL antiserum is approximately 100 U. One Unit of Factor VII is defined as the amount present in 1 mL normal plasma. On the average this corresponds to 1 µg/mL.
Dilutions may be prepared by adding phosphate buffered saline (PBS, pH 7.2). If a slight precipitation occurs upon storage, this should be removed by centrifugation and will not affect the performance of the product. Diluted solutions should be stored at 4°C, not refrozen, and preferably used the same day.
Coagulation factor VII 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 F7 production can cause coagulopathy.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: Coagulation factor VII; coagulation factor VII (serum prothrombin conversion accelerator); eptacog alfa; Factor 7; Factor7; FVII coagulation protein; Proconvertin; Serum prothrombin conversion accelerator; SPCA
Gene Aliases: F7; SPCA
UniProt ID: (Human) P08709
Entrez Gene ID: (Human) 2155
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