Product Includes | Product # | Quantity | Color | Storage Temp |
---|---|---|---|---|
Phospho-ALK (Tyr1604) Rabbit Ab Coated Microwells | 88910 | 96 tests |
|
+4C |
ALK Mouse Detection mAb | 13993 | 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 |
TMB Substrate | 7004 | 11 ml |
|
+4C |
STOP Solution | 7002 | 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
CST's PathScan® Phospho-ALK (Tyr1604) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of phospho-ALK (Tyr1604) or phospho-NPM-ALK fusion protein. A Phospho-ALK (Tyr1604) Antibody has been coated onto the microwells. After incubation with cell lysates, only phospho-ALK or phospho-NPM-ALK proteins are captured by the coated antibody. Following extensive washing, an ALK Mouse mAb is added to detect the captured phospho-ALK or phospho-NPM-ALK fusion 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 absorbance for this developed color is proportional to the quantity of phospho-ALK (Tyr1604) or phospho-NPM-ALK proteins.
*Antibodies in kit are custom formulations specific to kit.
Specificity/Sensitivity
* Phosphatase inhibitors includes sodium pyrophosphate, β-glycerophosphate and Na3VO4.
Background
Anaplastic lymphoma kinase (ALK) is a tyrosine kinase receptor for pleiotrophin (PTN), a growth factor involved in embryonic brain development (1-3). In ALK-expressing cells, PTN induces phosphorylation of both ALK and the downstream effectors IRS-1, Shc, PLCγ, and PI3 kinase (1). ALK was originally discovered as a nucleophosmin (NPM)-ALK fusion protein produced by a translocation (4). Investigators have found that the NPM-ALK fusion protein is a constitutively active, oncogenic tyrosine kinase associated with anaplastic lymphoma (4). Research literature suggests that activation of PLCγ by NPM-ALK may be a crucial step for its mitogenic activity and involved in the pathogenesis of anaplastic lymphomas (5).
A distinct ALK oncogenic fusion protein involving ALK and echinoderm microtubule-associated protein like 4 (EML4) has been described in the research literature from a non-small cell lung cancer (NSCLC) cell line, with corresponding fusion transcripts present in some cases of lung adenocarcinoma. The short, amino-terminal region of the microtubule-associated protein EML4 is fused to the kinase domain of ALK (6-8).
- Stoica, G.E. et al. (2001) J Biol Chem 276, 16772-9.
- Iwahara, T. et al. (1997) Oncogene 14, 439-49.
- Morris, S.W. et al. (1997) Oncogene 14, 2175-88.
- Morris, S.W. et al. (1994) Science 263, 1281-4.
- Bai, R.Y. et al. (1998) Mol Cell Biol 18, 6951-61.
- Rikova, K. et al. (2007) Cell 131, 1190-203.
- Takeuchi, K. et al. (2008) Clin Cancer Res 14, 6618-24.
- Soda, M. et al. (2007) Nature 448, 561-6.
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
Limited Uses
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