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 TNX. 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 TNX 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 TNX, 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 TNX. You can calculate the concentration of TNX 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 tenascin family of extracellular matrix glycoproteins. The tenascins have anti-adhesive effects, as opposed to fibronectin which is adhesive. This protein is thought to function in matrix maturation during wound healing, and its deficiency has been associated with the connective tissue disorder Ehlers-Danlos syndrome. This gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. It is one of four genes in this cluster which have been duplicated. The duplicated copy of this gene is incomplete and is a pseudogene which is transcribed but does not encode a protein. The structure of this gene is unusual in that it overlaps the CREBL1 and CYP21A2 genes at its 5' and 3' ends, respectively. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
Uniprot Description
TNXB: Appears to mediate interactions between cells and the extracellular matrix. Substrate-adhesion molecule that appears to inhibit cell migration. Accelerates collagen fibril formation. May play a role in supporting the growth of epithelial tumors. Defects in TNXB are the cause of tenascin-X deficiency (TNXD). TNXD leads to an Ehlers-Danlos-like syndrome characterized by hyperextensible skin, hypermobile joints, and tissue fragility. Tenascin-X-deficient patients, however, lack atrophic scars, a major diagnostic criteria for classic Ehlers- Danlos. Delayed wound healing, which is also common in classic EDS, is only present in a subset of patients. Belongs to the tenascin family. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Motility/polarity/chemotaxis; Secreted; Extracellular matrix; Secreted, signal peptide
Chromosomal Location of Human Ortholog: 6p21.3
Cellular Component: extracellular matrix; proteinaceous extracellular matrix; extracellular space; fibrillar collagen; intracellular
Molecular Function: heparin binding; collagen binding; integrin binding
Biological Process: elastic fiber assembly; cell-cell adhesion; collagen fibril organization; triacylglycerol metabolic process; collagen metabolic process; cell-matrix adhesion; fibril organization and biogenesis; regulation of JNK activity; fatty acid metabolic process; actin cytoskeleton organization and biogenesis; cell adhesion
Disease: Ehlers-danlos-like Syndrome Due To Tenascin-x Deficiency; Vesicoureteral Reflux 8
Research Articles on TNX
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Product Notes
The Mouse TNX tnxb (Catalog #AAA2506426) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA2506426 ELISA Kit recognizes Mouse TNX. It is sometimes possible for the material contained within the vial of "TNX, 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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