WB
H M R
Endogenous
24-26
Rabbit
#O75365
11156
Product Information
Product Usage Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Mouse, Rat
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gly62 of human PTP4A3 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
The Phosphatase of Regenerating Liver (PRL) family is a distinct group of protein tyrosine phosphatases (PTP), containing a signature phosphatase domain but otherwise lacking homology to known PTP proteins. There are currently three known members of the PRL family (PRL1-3). PRL-1 was the first family member to be identified; it was initially characterized as an immediate early gene (IEG) in regenerating liver and mitogen-treated fibroblasts (1). PRL-3, known widely as PTP4A3, is now the most well-characterized member of the PRL family, due to its important role in regulating cell proliferation, and possibly cancer metastasis. While specific substrates of the PRL-family proteins have remained largely undefined, a recent study in colon cancer cell lines reported that PTP4A3 dephosphorylated integrin β1 at Tyr783 (2). PTP4A3 was also shown to play a potential role in the progression of cardiac hypertrophy by inhibiting tyrosine phosphorylation of the docking protein p130 (3). Increased rates of both cell proliferation and motility have been observed in immortalized cell lines and murine lung tumor cells over-expressing PTP4A3 (3,4), and elevated levels of PTP4A3 protein are associated with a subset of human cancers (5,6).
- Diamond, R.H. et al. (1994) Mol Cell Biol 14, 3752-62.
- Tian, W. et al. (2012) BMC Biochem 13, 22.
- Matter, W.F. et al. (2001) Biochem Biophys Res Commun 283, 1061-8.
- Guo, K. et al. (2004) Cancer Biol Ther 3, 945-51.
- Pryczynicz, A. et al. (2010) Folia Histochem Cytobiol 48, 632-6.
- Mayinuer, A. et al. (2013) Ann Surg Oncol 20, 305-17.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting
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
限制使用
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