| Product Includes | Product # | Quantity | Mol. Wt | Isotype/Source |
|---|---|---|---|---|
| Notch1 (D1E11) XP® Rabbit mAb | 3608 | 20 µl | 120, 300 kDa | Rabbit IgG |
| Cleaved Notch1 (Val1744) (D3B8) Rabbit mAb | 4147 | 20 µl | 110 kDa | Rabbit IgG |
| RBPSUH (D10A4) XP® Rabbit mAb | 5313 | 20 µl | 61 kDa | Rabbit IgG |
| MAML1 (D3K7B) Rabbit mAb | 12166 | 20 µl | 130 kDa | Rabbit IgG |
| c-Myc (D84C12) Rabbit mAb | 5605 | 20 µl | 57-65 kDa | Rabbit IgG |
| p21 Waf1/Cip1 (12D1) Rabbit mAb | 2947 | 20 µl | 21 kDa | Rabbit IgG |
| HES1 (D6P2U) Rabbit mAb | 11988 | 20 µl | 30 kDa | Rabbit IgG |
| Cyclin D3 (DCS22) Mouse mAb | 2936 | 20 µl | 31 kDa | Mouse IgG1 |
| Anti-rabbit IgG, HRP-linked Antibody | 7074 | 100 µl | Goat | |
| Anti-mouse IgG, HRP-linked Antibody | 7076 | 100 µl | Horse |
Please visit cellsignal.com for individual component applications, species cross-reactivity, dilutions, protocols, and additional product information.
Description
The Notch Activated Targets Antibody Sampler Kit provides an economical means of detecting target proteins of activated Notch. The kit contains enough primary antibody to perform four western blot experiments per primary antibody.
Storage
Background
Notch proteins (Notch1-4) are a family of transmembrane receptors that play important roles in development and the determination of cell fate (1). Mature Notch receptors are processed and assembled as heterodimeric proteins, with each dimer comprised of a large extracellular ligand-binding domain, a single-pass transmembrane domain, and a smaller cytoplasmic subunit (Notch intracellular domain, NICD) (2). Binding of Notch receptors to ligands of the Delta-Serrate-Lag2 (DSL) family triggers heterodimer dissociation, exposing the receptors to proteolytic cleavages; these result in release of the NICD, which translocates to the nucleus and activates transcription of downstream target genes (3,4). RBPSUH (Recombining Binding Protein, SUppressor of Hairless), is the DNA-binding component of the transcription complex regulated by canonical Notch signaling. Binding of Notch with RBPSUH activates a transcription activation complex that includes Mastermind-like (MAML) proteins, leading to transcriptional activation of Notch target genes (5-7). The NICD binds and activates c-Myc which functions as a transcriptional regulator with roles in various aspects of cell behavior including proliferation, differentiation and apoptosis (8). The tumor suppressor protein p21 Waf1/Cip1 acts as an inhibitor of cell cycle progression. The NICD-RBPSUH complex binds and activates p21 for transcription (15). HES1 (Hairy and Enhancer of Split 1) is one of seven members of the HES family of basic helix-loop-helix (bHLH) transcription factors that is particularly well known as a repressive mediator of the canonical Notch signaling pathway (10). HES1 plays a key role in mediating Notch-dependent T cell lineage commitment (11), and has been reported to be an essential mediator of Notch-induced T cell acute lymphoblastic leukemia (T-ALL) (11,12). The active complex of cyclin D/CDK4 targets the retinoblastoma protein for phosphorylation, allowing the release of E2F transcription factors that activate G1/S-phase gene expression (13). Transcription of cyclin D is in part regulated by the NICD binding to the promoter region of cyclin D (14).
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- Schroeter, E.H. et al. (1998) Nature 393, 382-6.
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- Lin, S.E. et al. (2002) J Biol Chem 277, 50612-20.
- Kitagawa, M. et al. (2001) Mol Cell Biol 21, 4337-46.
- Baudino, T.A. and Cleveland, J.L. (2001) Mol Cell Biol 21, 691-702.
- Flores-Rozas, H. et al. (1994) Proc Natl Acad Sci U S A 91, 8655-9.
- Kobayashi, T. and Kageyama, R. (2010) Genes Cells 15, 689-98.
- Wendorff, A.A. et al. (2010) Immunity 33, 671-84.
- Espinosa, L. et al. (2010) Cancer Cell 18, 268-81.
- Lukas, J. et al. (1996) Mol Cell Biol 16, 6917-25.
- Li, X. and von Boehmer, H. (2011) ISRN Hematol 2011, 921706.
- Niimi, H. et al. (2007) J Cell Biol 176, 695-707.
Background References
Trademarks and Patents
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