Principle of the Assay: This ELISA kit uses Sandwich-ELISA as the method. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to CYP7A1. Standards or samples are added to the appropriate micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for CYP7A1 and Avidin-Horseradish Peroxidase (HRP) conjugate is added to each micro plate well successively and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain CYP7A1, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm +/- 2 nm. The OD value is proportional to the concentration of CYP7A1. You can calculate the concentration of CYP7A1 in the samples by comparing the OD of the samples to the standard curve.
NCBI and Uniprot Product Information
NCBI Description
This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This endoplasmic reticulum membrane protein catalyzes the first reaction in the cholesterol catabolic pathway in the liver, which converts cholesterol to bile acids. This reaction is the rate limiting step and the major site of regulation of bile acid synthesis, which is the primary mechanism for the removal of cholesterol from the body. Polymorphisms in the promoter of this gene are associated with defects in bile acid synthesis. [provided by RefSeq, Feb 2010]
Uniprot Description
CYP7A1: Catalyzes a rate-limiting step in cholesterol catabolism and bile acid biosynthesis by introducing a hydrophilic moiety at position 7 of cholesterol. Important for cholesterol homeostasis. Belongs to the cytochrome P450 family.
Protein type: Endoplasmic reticulum; Lipid Metabolism - primary bile acid biosynthesis; Oxidoreductase; EC 1.14.13.17
Chromosomal Location of Human Ortholog: 8q11-q12
Cellular Component: endoplasmic reticulum membrane; intracellular membrane-bound organelle
Molecular Function: cholesterol 7-alpha-monooxygenase activity; iron ion binding; heme binding
Biological Process: bile acid biosynthetic process; cholesterol homeostasis; bile acid metabolic process; xenobiotic metabolic process; cellular lipid metabolic process; cholesterol catabolic process; transmembrane transport; sterol metabolic process
Research Articles on CYP7A1
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Product Notes
The Chicken CYP7A1 cyp7a1 (Catalog #AAA2501855) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA2501855 ELISA Kit recognizes Chicken CYP7A1. It is sometimes possible for the material contained within the vial of "CYP7A1, 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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