β-catenin

Supporting information

β-catenin protein is an integral part of the canonical Wnt signaling pathway. Wnt binding to Frizzled (Fz) receptors and LRP co-receptors activates Dishevelled (Dsh) proteins; these in turn inhibit the destruction complex responsible for degrading β-catenin, which includes GSK-3, adenomatous polyposis coli (APC) and axin. Accumulation of β-catenin in the cell cytoplasm prompts its translocation to the nucleus, where it interacts with members of the TCF/LEF family of transcription factors and induces the transcription of Wnt target genes.

This canonical pathway has been shown to influence developmental processes such as cell proliferation and body axis specification, as well as carcinogenesis. Mutations in β-catenin, axin and APC have been discovered in numerous cancers, and other members of the canonical pathway may also contribute to misregulation of Wnt signaling. Aberrant TCF-β-catenin signaling is also evident in many cancers, and results in altered expression of genes controlling cell proliferation, differentiation, migration and apoptosis. β-catenin also plays an essential role in cell-cell adhesion, and is thought to maintain the attachment of stem cells to their niche by interacting with membrane-bound cadherin and α-catenin.

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Gene Species Gene Symbol Gene Accession No. Protein Accession No.
β-catenin Human CTNNB1 NM_001098210 X87838
Mouse Ctnnb1 NM_007614 Q02248
Rat Ctnnb1 NM_053357 Q9WU82

Literature for β-catenin

Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

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Cancer Research Product Guide
Wnt Signaling Pathway
Wnt Signaling Pathway

The Wnt pathway is involved in cellular differentiation and proliferation in adult tissues and also during embryogenesis. Disturbances within the pathway may lead to the formation of tumors and promote metastasis.

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Cancer Research Product Guide

Cancer Research Product Guide

Our Cancer Research Guide highlights over 750 products for cancer research. Request copy or view PDF today.

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Wnt Pathway

Wnt Signaling Pathway

Signals through the Wnt pathway are fundamental for the regulation of cellular differentiation and proliferation. View pathway or download PDF today.

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