MTAP (E5R1I) Rabbit mAb #74683
- WB
- IHC
Supporting Data
| REACTIVITY | H M R |
| SENSITIVITY | Endogenous |
| MW (kDa) | 29 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IHC-Immunohistochemistry
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunohistochemistry (Paraffin) | 1:50 - 1:200 |
Storage
For a carrier free (BSA and azide free) version of this product see product #73819.
Protocol
Specificity / Sensitivity
Species Reactivity:
Source / Purification
Monoclonal antibody is produced by immunizing animals with recombinant protein specific to the amino terminus of human MTAP protein.
Background
MTAP is an enzyme that is essential for the salvage pathway for both adenine and methionine synthesis. MTAP catalyzes the cleavage of 5’-methylthioadenosine into adenine and 5-methylthio-D-ribose-1-phosphate. Adenine is then used to generate AMP whereas 5-methylthio-D-ribose-1-phosphate is converted into methionine (1,2). MTAP is expressed in all normal cells and tissues, although frequently lost in different human tumors, including pancreatic adenocarcinoma, neuroendocrine tumors, non-small cell lung carcinoma, and breast carcinoma. MTAP is usually codeleted with p16 (cdkN2a/ARF) (3-5). MTAP overexpression in breast cancer cells inhibits their ability to form colonies in soft agar, thereby implicating its function as a tumor suppressor (6).
- Backlund, P.S. and Smith, R.A. (1981) J Biol Chem 256, 1533-5.
- Backlund, P.S. et al. (1982) J Biol Chem 257, 4196-202.
- Dreyling, M.H. et al. (1998) Genes Chromosomes Cancer 22, 72-8.
- Zhang, H. et al. (1996) Cancer Genet Cytogenet 86, 22-8.
- Illei, P.B. et al. (2003) Clin Cancer Res 9, 2108-13.
- Christopher, S.A. et al. (2002) Cancer Res 62, 6639-44.
限制使用
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