Exostosin-1 is an endoplasmic reticulum-resident type II transmembrane glycosyltransferase involved in the chain elongation step of heparan sulfate biosynthesis. Mutations in this gene cause the type I form of multiple exostoses.By screening a human chondrocyte cDNA library with cosmids that spanned breakpoints on chromosome 8q identified in patients with multiple exostoses type I, Ahn et al. (1995) identified a cDNA encoding a putative 746-amino acid protein with a molecular mass of 86.3 kD. Northern blot analysis detected expression of a 3.4-kb transcript in all tissues tested, with highest levels in liver. The authors noted that the breakpoint region in the EXT1 gene contains 2 identical polypyrimidine tracts (CCCCCCT) that are known to be deletion hotspots, similar to the retinoblastoma gene.
Human Transfusion transimitted virus antibody (TTV-Ab) ELISA Kit has been pre-coated with an antibody specific to TTV-Ab. Standards or samples are then added to the appropriate microtiter plate wells with a Horseradish Peroxidase (HRP)-conjugated TTV-Ab and incubated. The competitive inhibition reaction is launched between with HRP labeled TTV-Ab and unlabeled TTV-Ab with the antibody. A substrate solution is added to the wells and the color develops in opposite to the amount of TTV-Ab in the sample. The color development is stopped and the intensity of the color is measured.
Human Transfusion transimitted virus antibody (TTV-Ab) ELISA Kit listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.
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