Anti-GPI: Mouse Glucose-6-Phosphate Isomerase Antibody |
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BACKGROUND Phosphohexose Isomerase (PHI; D-glucose-6-phosphate ketol-isomerase; EC 5.3.1.9) is also known as Glucosephosphate Isomerase (GPI) and phosphoglucose isomerase (PGI). It is a housekeeping cytosolic enzyme of sugar metabolism that plays a key role in both glycolysis and gluconeogenesis pathways, catalyzing the interconversion of glucose 6-phosphate and fructose 6-phosphate, the second step of the Embden-Meyerhof glycolytic pathway. And this enzyme is universally distributed among Eukaryotes, bacteria, and some Archaea. There is evidence that phosphoglucose isomerase behaves extracellularly as a cytokine. It is produced and secreted by white blood cells, and acts to regulate the growth of several different cell types.1 Molecular cloning and sequencing have identified PGI as an autocrine motility factor (AMF) found to be a major cell motility–stimulating factor associated with cancer development and progression.2 Of note, aberrations in PGI expressions or activities due to mutations or deletions in PGI are of significant clinical importance because mutations in PGI lead to hereditary nonspherocytic hemolytic anemia disease.3 In clinical cancer pathology, the presence of PGI/AMF in the serum and urine is of prognostic value indicating cancer progression. The levels of PGI/AMF and its cell surface receptor gp78/AMFR expressions are associated with the pathologic stage, grade, and degree of tumor penetration to surrounding tissues marking a poor prognosis.4
REFERENCES
1. Kim, J.W. & Dang, C.V.: Trends Biochem. Sci. 30:142–502, 2005
2. Niinaka, Y. et al.: Cancer Res 58:2667–74, 1998
3. Kanno, H. et al.: Blood 88:2321-2325, 1996
4. Gomm, S. A. et al.: Br. J. Cancer 58:797–804, 1988
2. Niinaka, Y. et al.: Cancer Res 58:2667–74, 1998
3. Kanno, H. et al.: Blood 88:2321-2325, 1996
4. Gomm, S. A. et al.: Br. J. Cancer 58:797–804, 1988
Products are for research use only. They are not intended for human, animal, or diagnostic applications.
Параметры
Cat.No.: | CP10116 |
Antigen: | Purified recombinant human GPI fragment expressed in E. coli. |
Isotype: | Mouse IgG |
Species & predicted species cross- reactivity ( ): | Human, Mouse, Rat |
Applications & Suggested starting dilutions:* | WB 1:1000 IP n/d IHC n/d ICC 1:200 FACS n/d |
Predicted Molecular Weight of protein: | 63 kDa |
Specificity/Sensitivity: | Detects endogenous Glucose-6-Phosphate Isomerase proteins without cross-reactivity with other family members. |
Storage: | Store at -20°C, 4°C for frequent use. Avoid repeated freeze-thaw cycles. |
*Optimal working dilutions must be determined by end user.
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