Product Includes | Product # | Quantity | Color | Storage Temp |
---|---|---|---|---|
Phospho-Met (Tyr1234/1235) Rabbit mAb Coated Microwells | 40365 | 96 tests |
|
+4C |
Met Mouse Detection mAb | 14126 | 1 ea |
|
+4C |
Anti-mouse IgG, HRP-linked Antibody (ELISA Formulated) | 13304 | 1 ea |
|
+4C |
Detection Antibody Diluent | 13339 | 11 ml |
|
+4C |
HRP Diluent | 13515 | 11 ml |
|
+4C |
STOP Solution | 7002 | 11 ml |
|
+4C |
TMB Substrate | 7004 | 11 ml |
|
+4C |
Sealing Tape | 54503 | 2 ea |
|
+4C |
ELISA Wash Buffer (20X) | 9801 | 25 ml |
|
+4C |
ELISA Sample Diluent | 11083 | 25 ml |
|
+4C |
Cell Lysis Buffer (10X) | 9803 | 15 ml |
|
-20C |
*The microwell plate is supplied as 12 8-well modules - Each module is designed to break apart for 8 tests.
Description
The PathScan® Phospho-Met (Tyr1234/1235) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of Met when phosphorylated at Tyr1234/1235. A Phospho-Met (Tyr1234/1235) Rabbit Antibody has been coated onto the microwells. After incubation with cell lysates, phospho-Met (Tyr1234/1235) is captured by the coated antibody. Following extensive washing, a Met Mouse Detection Antibody is added to detect the captured phospho-Met protein. Anti-mouse IgG, HRP-Linked Antibody is then used to recognize the bound detection antibody. HRP substrate, TMB, is added to develop color. The magnitude of the absorbance for this developed color is proportional to the quantity of Met phosphorylated at Tyr1234/1235.
*Antibodies in this kit are custom formulations specific to kit.
Specificity/Sensitivity
* Phosphatase inhibitors include sodium pyrophosphate, β-glycerophosphate and Na3VO4.
This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.
Background
Met, a high affinity tyrosine kinase receptor for hepatocyte growth factor (HGF, also known as scatter factor) is a disulfide-linked heterodimer made of 45 kDa α- and 145 kDa β-subunits (1,2). The α-subunit and the amino-terminal region of the β-subunit form the extracellular domain. The remainder of the β-chain spans the plasma membrane and contains a cytoplasmic region with tyrosine kinase activity. Interaction of Met with HGF results in autophosphorylation at multiple tyrosines, which recruit several downstream signaling components, including Gab1, c-Cbl, and PI3 kinase (3). These fundamental events are important for all of the biological functions involving Met kinase activity. The addition of a phosphate at cytoplasmic Tyr1003 is essential for Met protein ubiquitination and degradation (4). Phosphorylation at Tyr1234/1235 in the Met kinase domain is critical for kinase activation. Phosphorylation at Tyr1349 in the Met cytoplasmic domain provides a direct binding site for Gab1 (5). Research studies have shown that altered Met levels and/or tyrosine kinase activities are found in several types of tumors, including renal, colon, and breast. Thus, investigators have concluded that Met is an attractive potential cancer therapeutic and diagnostic target (6,7).
- Cooper, C.S. et al. (1984) Nature 311, 29-33.
- Bottaro, D.P. et al. (1991) Science 251, 802-4.
- Bardelli, A. et al. (1997) Oncogene 15, 3103-11.
- Taher, T.E. et al. (2002) J Immunol 169, 3793-800.
- Schaeper, U. et al. (2000) J Cell Biol 149, 1419-32.
- Eder, J.P. et al. (2009) Clin Cancer Res 15, 2207-14.
- Sattler, M. and Salgia, R. (2009) Update Cancer Ther 3, 109-118.
Background References
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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