Phospho-TCTP (Ser46) Antibody #5251
Filter:
- WB
- IHC
- IF
- F
Supporting Data
| REACTIVITY | H M R Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 23 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- IHC-Immunohistochemistry
- IF-Immunofluorescence
- F-Flow Cytometry
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunohistochemistry (Paraffin) | 1:100 |
| Immunofluorescence (Immunocytochemistry) | 1:100 |
| Flow Cytometry (Fixed/Permeabilized) | 1:50 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Phospho-TCTP (Ser46) Antibody recognizes endogenous levels TCTP protein only when phosphorylated at Ser46. In some cell types the antibody may recognize an 80-100 kDa protein of unknown origin.
Species Reactivity:
Human, Mouse, Rat, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser46 of human TCTP protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
Translationally controlled tumor protein (TCTP/p23/HRF) is a ubiquitously expressed and highly conserved protein involved in various cellular processes, such as its role as a histamine releasing factor in chronic allergic disease (1). TCTP binds tubulin in a cell cycle dependent manner and is associated with the mitotic spindle (2). In addition, TCTP interacts with the actin cytoskeleton to regulate cell shape (3). In mitosis, TCTP is phosphorylated by PLK at Ser46, decreasing microtubule stability (4,5). TCTP interacts with the small GTPase Rheb, possibly acting as a GEF, thereby activating the TORC1 pathway and controlling cell growth and proliferation (6,7). TCTP has also been shown to be involved in apoptosis and cell stress (8-11). In cultured cells, reduction in TCTP expression can cause loss of the malignant phenotype (12).
- MacDonald, S.M. et al. (1995) Science 269, 688-90.
- Gachet, Y. et al. (1999) J Cell Sci 112 ( Pt 8), 1257-71.
- Bazile, F. et al. (2009) Carcinogenesis 30, 555-65.
- Yarm, F.R. (2002) Mol Cell Biol 22, 6209-21.
- Dephoure, N. et al. (2008) Proc Natl Acad Sci USA 105, 10762-7.
- Dong, X. et al. (2009) J Biol Chem 284, 23754-64.
- Hsu, Y.C. et al. (2007) Nature 445, 785-8.
- Susini, L. et al. (2008) Cell Death Differ 15, 1211-20.
- Bommer, U.A. et al. (2009) Oncogene [Epub ahead of print].
- Gnanasekar, M. et al. (2009) Biochem Biophys Res Commun 386, 333-7.
- Gnanasekar, M. et al. (2009) Int J Oncol 34, 1241-6.
- Tuynder, M. et al. (2002) Proc Natl Acad Sci USA 99, 14976-81.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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