Puma (E2P7G) Rabbit mAb (Biotinylated) #74731
- WB
Supporting Data
| REACTIVITY | H M |
| SENSITIVITY | Endogenous |
| MW (kDa) | 23 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
Product Information
Product Description
| MW (kDa) | 23 |
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Protocol
Specificity / Sensitivity
Puma (E2P7G) Rabbit mAb (Biotinylated) recognizes endogenous levels of total Puma protein.
Species Reactivity:
Human, Mouse
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gly28 of human Puma protein.
Background
Puma (p53 upregulated modulator of apoptosis) is a "BH3-only" Bcl-2 family member originally identified in differential gene expression studies as a p53-inducible gene (1,2). The "BH3-only" family members include Bad, Bid, Bik, Hrk, Bim, and Noxa, all of which contain a BH3 domain but lack other conserved domains, BH1 and BH2, and generally promote apoptosis by binding to and antagonizing anti-apoptotic Bcl-2 family members through BH3 domain interactions (3). Two BH3-containing proteins are produced from the puma gene, Puma-α and Puma-β, both of which are induced by p53, bind Bcl-2 and Bcl-xL, localize to the mitochondria, and promote cytochrome c release and apoptosis (1,2). Puma plays a critical role in the p53 tumor suppressor pathway. Targeted disruption of the puma gene impairs p53-mediated apoptosis and tumor suppression (4-7). Puma knockout mice show defects from multiple apoptotic stimuli, including ionizing irradiation, deregulated c-Myc expression, and cytokine withdrawal (4).
- Yu, J. et al. (2001) Mol Cell 7, 673-82.
- Nakano, K. and Vousden, K.H. (2001) Mol Cell 7, 683-94.
- Bouillet, P. and Strasser, A. (2002) J Cell Sci 115, 1567-74.
- Jeffers, J.R. et al. (2003) Cancer Cell 4, 321-8.
- Hemann, M.T. et al. (2004) Proc Natl Acad Sci U S A 101, 9333-8.
- Yu, J. et al. (2003) Proc Natl Acad Sci U S A 100, 1931-6.
- Villunger, A. et al. (2003) Science 302, 1036-8.
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