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Home / Paired Antibody Sets / Canine Factor IX EIA / Canine Factor IX Paired Antibody Set

Canine Factor IX Paired Antibody Set

CFIX-EIA – Canine Factor IX Paired Antibody Set – 4 plate set

SKU: CFIX-EIA Categories: Antibodies, Paired Antibody Sets, Factor IX Products, Factor IX Antibody, Canine Factor IX EIA Tags: Factor IX, Products, Antibodies, Factor IX Paired Antibody Set

Description

Canine Factor IX Paired Antibody Set

Affinity’s Canine Factor IX Paired Antibody Set consists of matched capture and detecting antibodies that have been titrated and optimized for use in sandwich style ELISA assays. The product as provided contains sufficient capture and detecting antibodies for four full 96-well microplates and contains a detailed protocol sheet containing directions for use, recipes for solutions and sources for additional materials required. This Canine Factor IX Paired Antibody Set is intended to facilitate the end user in establishing an “in-house” immunoassay for research purposes only and must not be used for diagnostic applications.  Assay validation is the responsibility of the end user.


Product Code: CFIX-EIA

Supplied Materials:

  1. Capture Antibody (CFIX-EIA-C): One yellow-capped vial containing 0.4 ml of polyclonal affinity purified anti-Factor IX antibody for coating plates.
  2. Detecting Antibody (CFIX-EIA-D):  One red-capped tube containing 0.4 ml of peroxidase conjugated affinity-purified polyclonal anti-Factor IX antibody for detection of captured Canine FIX.

Product Datasheet: Canine Factor IX F9 Matched Pair Antibody Set for ELISA - CFIX-EIA


Description of Factor IX (FIX)

Factor IX (FIX, Christmas Factor) is a vitamin K-dependent glycoprotein produced in the liver. Plasma concentration of FIX is normally around 5 μg/ml (87 nM) in plasma. The biological importance of FIX is demonstrated in Haemophilia B (Christmas disease), an X-linked congenital bleeding disease resulting from a quantitative (low activity and low antigen) or qualitative (low activity, normal antigen) defect in FIX function.

In its proenzyme or zymogen form FIX is a single chain molecule of 55,000 daltons. It contains two EGF-like domains and an amino-terminal domain containing 12 γ-carboxy-glutamic acid (Gla) residues. These Gla residues allow FIX to bind divalent metal ions and participate in calcium-dependent binding interactions. The activation of F.IX occurs by limited proteolysis in the presence of calcium by activated factor XI (FXIa) and/or by a complex of VIIa/tissue factor/phospholipid and activated Factor X between residues Arg146-Ala147 and between Arg180-Val181. The terminal activated product in either case is FIXaβ, a two-chain enzyme consisting of a heavy chain (28,000 daltons), a light chain (18,000 daltons) and an activation peptide product of 11,000 daltons. FIX can also be cleaved into inactive products by thrombin and by elastase.  The activity of FIXaβ in plasma is inhibited by antithrombin and this inhibition is accelerated 1000-fold in the presence of optimal concentrations of heparin 1-3.

References and Reviews

  1. Lawson, JH, Mann KG; Cooperative Activation of Human F.IX by the Human Extrinsic Pathway of Coagulation; JBC 266 pp11317-11327, 10991.
  2. Enfield DL, Thompson AR; Cleavage and Activation of Factor IX by Serine Proteases; Blood 64, pp 821-831, 1984.
  3. Limentani SA, Furie BC, Furie B, in Hemostasis and Thrombosis, 3rd Edition, eds. RW Colman, J Hirsh, VJ Marder and EW Salzman, pp. 94-108, J.B. Lippincott Co., Philadelphia PA, USA, 1994.

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Affinity Biologicals, Inc.
+1-905-304-9896
+1-800-903-6020Can/US
info@affinitybiologicals.com
1348 Sandhill Drive
Ancaster, ON
L9G 4V5

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