| Product Includes | Product # | Volume | Cap Color | Storage Temp |
|---|---|---|---|---|
| Stat3 Capture Rabbit mAb (100X) | 88286 | 400 µl |
|
+4C |
| Phospho-Stat3 (Tyr705) Detection Mouse mAb (100X) | 72547 | 400 µl |
|
+4C |
| Anti-mouse IgG, HRP-linked Antibody (1000X) | 16736 | 40 µl |
|
-20C |
Please visit cellsignal.com for a complete listing of recommended companion products.
Description
CST's PathScan® Phospho-Stat3 (Tyr705) Sandwich ELISA Antibody Pair is offered as an economical alternative to our PathScan® Phospho-Stat3 (Tyr705) Sandwich ELISA Kit #7300. Capture and Detection antibodies (100X stock) and HRP-Linked Secondary Antibody (1000X stock) are supplied. Sufficient reagents are supplied for 4 x 96 well ELISAs. The Stat3 Rabbit Capture Antibody is coated in PBS overnight in a 96 well microplate. After blocking, cell lysates are added, followed by Phospho-Stat3 (Tyr705) Mouse Detection Antibody and HRP-Linked Anti-Mouse IgG. HRP substrate, TMB, is added for color development. The magnitude of the absorbance for this developed color is proportional to the quantity of phospho-Stat3 (Tyr705) protein.
Antibodies in kit are custom formulations specific to kit.
Reagents not supplied
Phosphate Buffered Saline with Tween-20 (PBST-20X) #9809
Cell Lysis Buffer (10X) #9803
TMB Substrate #7004
STOP Solution #7002
Blocking Buffer: 1X PBS/0.5% Tween-20, 1% BSA
96 Well Microplates**
Microplate Reader
** Antibody Pairs have been validated on Corning© 96 Well Clear Polystyrene High Bind Stripwell™ Microplates (#2592).
Notes: Antibody pairs have been optimized using recommended buffers, reagents, plates and the included protocol. Solutions should be made fresh daily.
Background
The Stat3 transcription factor is an important signaling molecule for many cytokines and growth factor receptors (1) and is required for murine fetal development (2). Research studies have shown that Stat3 is constitutively activated in a number of human tumors (3,4) and possesses oncogenic potential (5) and anti-apoptotic activities (3). Stat3 is activated by phosphorylation at Tyr705, which induces dimerization, nuclear translocation, and DNA binding (6,7). Transcriptional activation seems to be regulated by phosphorylation at Ser727 through the MAPK or mTOR pathways (8,9). Stat3 isoform expression appears to reflect biological function as the relative expression levels of Stat3α (86 kDa) and Stat3β (79 kDa) depend on cell type, ligand exposure, or cell maturation stage (10). It is notable that Stat3β lacks the serine phosphorylation site within the carboxy-terminal transcriptional activation domain (8).
- Heim, M.H. (2001) J Recept Signal Transduct Res 19, 75-120.
- Takeda, K. et al. (1997) Proc Natl Acad Sci U S A 94, 3801-4.
- Catlett-Falcone, R. et al. (1999) Immunity 10, 105-15.
- Garcia, R. and Jove, R. (1998) J Biomed Sci 5, 79-85.
- Bromberg, J.F. et al. (1999) Cell 98, 295-303.
- Darnell, J.E. et al. (1994) Science 264, 1415-21.
- Ihle, J.N. (1995) Nature 377, 591-4.
- Wen, Z. et al. (1995) Cell 82, 241-50.
- Yokogami, K. et al. (2000) Curr Biol 10, 47-50.
- Biethahn, S. et al. (1999) Exp Hematol 27, 885-94.
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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