Principle of the Assay: HIS ELISA kit applies the competitive enzyme immunoassay technique utilizing a polyclonal anti-HIS antibody and an HIS-HRP conjugate. The assay sample and buffer are incubated together with HIS-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 HIS concentration since HIS from samples and HIS-HRP conjugate compete for the anti-HIS antibody binding site. Since the number of sites is limited, as more sites are occupied by HIS from the sample, fewer sites are left to bind HIS-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The HIS concentration in each sample is interpolated from this standard curve.
NCBI and Uniprot Product Information
NCBI Description
The product of this gene is involved in iron metabolism. It may be a component of the signaling pathway which activates hepcidin or it may act as a modulator of hepcidin expression. It could also represent the cellular receptor for hepcidin. Alternatively spliced transcript variants encoding different isoforms have been identified for this gene. Defects in this gene are the cause of hemochromatosis type 2A, also called juvenile hemochromatosis (JH). JH is an early-onset autosomal recessive disorder due to severe iron overload resulting in hypogonadotrophic hypogonadism, hepatic fibrosis or cirrhosis and cardiomyopathy, occurring typically before age of 30. [provided by RefSeq, Jul 2008]
Uniprot Description
HFE2: Member of the repulsive guidance molecule (RGM) family. Involved in iron metabolism. Acts as a bone morphogenetic protein (BMP) coreceptor. Enhancement of BMP signaling regulates hepcidin (HAMP) expression and iron metabolism. May cooperate with hepcidin to restrict iron absorption in the gut. Could represent the cellular receptor for hepcidin. Defects in HFE2 are the cause of hemochromatosis type 2A (HFE2A); also known as juvenile hemochromatosis (JH). HFE2A is an early-onset autosomal recessive disorder due to severe iron overload resulting in hypogonadotrophic hypogonadism, hepatic fibrosis or cirrhosis and cardiomyopathy, occurring typically before age of 30. It is the consequence of intestinal iron hyperabsorption associated with macrophages that do not load iron. Deleterious mutations of HFE2 reduced HAMP (hepcidin) levels despite iron overload, which normally induces HAMP expression. Belongs to the repulsive guidance molecule (RGM) family. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Membrane protein, GPI anchor
Chromosomal Location of Human Ortholog: 1q21.1
Cellular Component: extracellular space; cell surface; plasma membrane
Molecular Function: protein binding; coreceptor activity
Biological Process: BMP signaling pathway; axon guidance; iron ion homeostasis; positive regulation of transcription from RNA polymerase II promoter
Disease: Hemochromatosis, Type 2a
Research Articles on HJV
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Product Notes
The Porcine HJV hfe2 (Catalog #AAA738378) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA738378 ELISA Kit recognizes Porcine HJV. It is sometimes possible for the material contained within the vial of "Hemojuvelin, 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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