Rabbit Polyclonal beta Catenin phospho Y142 antibody. Suitable for WB, ICC/IF and reacts with Human, Mouse samples. Cited in 62 publications. Immunogen corresponding to Synthetic Peptide within Human CTNNB1 phospho Y142 conjugated to Keyhole Limpet Haemocyanin.
Preservative: 0.05% Sodium azide
Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.1% BSA
WB | ICC/IF | |
---|---|---|
Human | Tested | Expected |
Mouse | Expected | Tested |
Species | Dilution info | Notes |
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Species Human | Dilution info 1/500 | Notes IP with beta catenin antibody is recommended, followed by probing with ab27798. This improve the distinction between beta Catenin Tyr 142 and gamma Catenin Tyr 133 (Swiss-Prot ID P14923). |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info 1/50 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info Use at an assay dependent concentration. | Notes - |
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Key downstream component of the canonical Wnt signaling pathway (PubMed:17524503, PubMed:18077326, PubMed:18086858, PubMed:18957423, PubMed:21262353, PubMed:22155184, PubMed:22647378, PubMed:22699938). In the absence of Wnt, forms a complex with AXIN1, AXIN2, APC, CSNK1A1 and GSK3B that promotes phosphorylation on N-terminal Ser and Thr residues and ubiquitination of CTNNB1 via BTRC and its subsequent degradation by the proteasome (PubMed:17524503, PubMed:18077326, PubMed:18086858, PubMed:18957423, PubMed:21262353, PubMed:22155184, PubMed:22647378, PubMed:22699938). In the presence of Wnt ligand, CTNNB1 is not ubiquitinated and accumulates in the nucleus, where it acts as a coactivator for transcription factors of the TCF/LEF family, leading to activate Wnt responsive genes (PubMed:17524503, PubMed:18077326, PubMed:18086858, PubMed:18957423, PubMed:21262353, PubMed:22155184, PubMed:22647378, PubMed:22699938). Involved in the regulation of cell adhesion, as component of an E-cadherin:catenin adhesion complex (By similarity). Acts as a negative regulator of centrosome cohesion (PubMed:18086858). Involved in the CDK2/PTPN6/CTNNB1/CEACAM1 pathway of insulin internalization (PubMed:21262353). Blocks anoikis of malignant kidney and intestinal epithelial cells and promotes their anchorage-independent growth by down-regulating DAPK2 (PubMed:18957423). Disrupts PML function and PML-NB formation by inhibiting RANBP2-mediated sumoylation of PML (PubMed:22155184). Promotes neurogenesis by maintaining sympathetic neuroblasts within the cell cycle (By similarity). Involved in chondrocyte differentiation via interaction with SOX9: SOX9-binding competes with the binding sites of TCF/LEF within CTNNB1, thereby inhibiting the Wnt signaling (By similarity). Acts as a positive regulator of odontoblast differentiation during mesenchymal tooth germ formation, via promoting the transcription of differentiation factors such as LEF1, BMP2 and BMP4 (By similarity). Activity is repressed in a MSX1-mediated manner at the bell stage of mesenchymal tooth germ formation which prevents premature differentiation of odontoblasts (By similarity).
CTNNB, OK/SW-cl.35, PRO2286, CTNNB1, Catenin beta-1, Beta-catenin
Rabbit Polyclonal beta Catenin phospho Y142 antibody. Suitable for WB, ICC/IF and reacts with Human, Mouse samples. Cited in 62 publications. Immunogen corresponding to Synthetic Peptide within Human CTNNB1 phospho Y142 conjugated to Keyhole Limpet Haemocyanin.
Preservative: 0.05% Sodium azide
Constituents: PBS, 50% Glycerol (glycerin, glycerine), 0.1% BSA
The antibody detects beta Catenin on SDS PAGE immunoblots of Hct116 src transformed cells treated with pervanadate, but not in control cells. Similar results were observed in other pervanadate treated cell lines, such as A431 and human endothelial cells.
Immunogen sequence has one amino acid difference from a sequence around tyrosine 133 of human gamma Catenin. These human sequences are highly conserved in rat and mouse beta Catenins. Batches could vary in the level phospho Y133 of gamma catenin recognition.
Tyrosine phosphorylation of beta Catenin can regulate its interaction with critical components of adherens junctions. Both Fer and Fyn kinases phosphorylate tyrosine 142 in vitro and overexpression of these kinases in epithelial cells disrupts interactions between alpha and beta Catenins. The phosphorylation of tyrosine 142 may act as a switch from the adhesive to the transcriptional role of beta Catenin. Thus, site specific tyrosine phosphorylation of beta Catenin may regulate specific protein protein interactions, leading to changes in cell adhesion.
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Beta Catenin also known by names such as CTNNB1 or beta-chip is an important protein involved in cell signaling and adhesion. This protein has a molecular weight of around 88 kDa. Beta Catenin is expressed in many cell types and tissues indicating its widespread role in various biological processes. It functions mechanically by mediating the linkage between cadherins and the actin cytoskeleton facilitating cell-cell adhesion. Beta Catenin is also a central part of transcription regulation processes in the nucleus.
This protein plays roles in both cell adhesion and the regulation of gene expression. Beta Catenin is a critical component of the Wnt signaling pathway where it can form complexes with other proteins to influence gene transcription. In the absence of Wnt signaling beta Catenin levels are low due to its degradation. However when the pathway is active it accumulates in the cytoplasm and eventually translocates to the nucleus where it interacts with TCF/LEF transcription factors to regulate the expression of target genes.
Beta Catenin plays a central role in the Wnt signaling pathway and influences cell fate decisions and cellular proliferation. It acts in concert with proteins such as Dishevelled (DVL) and Axin to coordinate these important biological processes. In the absence of Wnt signaling proteins such as APC and GSK-3β are responsible for beta Catenin degradation keeping its cellular levels in check. Beta Catenin’s interaction with transcription factors in the nucleus makes it pivotal in the regulation of cell and tissue homeostasis.
Beta Catenin has associations with colorectal cancer and hepatocellular carcinoma. Its dysregulation can lead to unchecked cell proliferation and tumorigenesis. Often mutations in the beta Catenin gene (CTNNB1) or components of the Wnt pathway like APC are implicated in the development of these cancers. Its interplay with E-cadherin is important for maintaining tissue architecture and disruptions can lead to invasive cancer phenotypes. Understanding beta Catenin’s role provides insights into therapeutic strategies for these cancers.
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Membrane was incubated with diluted antibody in 5% non-fat milk, PBS, 0.04% Tween20 for 1hour at room temperature.
Lanes 1 - 2: Western blot - Anti-beta Catenin (phospho Y142) antibody (ab27798)
Lanes 3 - 4: Western blot - Anti-beta Catenin (phospho Y142) antibody (ab27798) at 1/500 dilution
Lanes 1 and 3: Hct116 src transformed cells serum starved overnight. at 20 µg
Lanes 2 and 4: Hct116 src transformed cells treated with pervanadate (1 mM) for 30 min. at 20 µg
Predicted band size: 85 kDa
ICC/IF labeling of phosphorylated β-Catenin in paraformaldehyde-fixed and NP-40-permeabilized rabbit spleen fibroblasts. The cells were labeled with mouse monoclonal β-Catenin (left panel) and ab27798 antibodies, then the antibodies were detected using appropriate secondary antibodies conjugated to Cy3.
ab27798 staining beta Catenin (phospho Y142) in rat hippocampal neurons by Immunocytochemistry/ Immunofluorescence. The cells were pre-treated with pervanadate for 15 minutes before being fixed in paraformaldehyde and then blocked using 10% serum for 1 hour at 25°C. Samples were then incubated with primary antibody at 1/50 for 8 hours at 4°C. The secondary antibody used was a donkey anti-rabbit IgG conjugated to Alexa Fluor® 594 (red) Donkey Anti-Rabbit IgG H&L (Alexa Fluor® 594) ab150076) used at a 1/500 dilution. Hoestch was used to stain the cell nuclei (blue).
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