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Gene Review

Ctnnbip1  -  catenin beta interacting protein 1

Mus musculus

Synonyms: 1110008O09Rik, 2310001I19Rik, AW457332, Beta-catenin-interacting protein 1, Catnbip1, ...
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Disease relevance of Ctnnbip1


High impact information on Ctnnbip1

  • Analysis of the neuronal differentiation of embryonic stem cells revealed that Wnt3a redirects the fate of neural progenitors to a posterior character, whereas ICAT induces forebrain cells by inhibiting Wnt signaling [3].
  • Inhibitor of beta-catenin and T cell factor (ICAT) inhibits Wnt signaling by interfering with the interaction between beta-catenin and T cell factor [3].
  • Furthermore, ICAT(-/-) embryonic stem cells were found to differentiate into neuronal cells possessing a posterior character [3].
  • These conditions were then used to label a highly hydrophobic mitochondrial membrane protein, the adenine nucleotide translocator ANT-1, with PEO-iodoacetyl biotin and then with the cleavable ICAT reagent [4].
  • The results presented here show that labeling of proteins with cleavable ICAT is possible and may even be improved in strong denaturing buffers containing both SDS at a concentration higher than 0.5% (w/v) and urea [4].

Anatomical context of Ctnnbip1

  • Here we show that ICAT(-/-) embryos exhibit malformation of the forebrain and craniofacial bones and lack the kidney [3].

Other interactions of Ctnnbip1

  • Anteriorization of neural fate by inhibitor of beta-catenin and T cell factor (ICAT), a negative regulator of Wnt signaling [3].

Analytical, diagnostic and therapeutic context of Ctnnbip1

  • The work presented here focuses on the development of a method adapting isotope labeling of proteins with ICAT to the study of highly hydrophobic proteins [4].


  1. Overexpression of Icat induces G(2) arrest and cell death in tumor cell mutants for adenomatous polyposis coli, beta-catenin, or Axin. Sekiya, T., Nakamura, T., Kazuki, Y., Oshimura, M., Kohu, K., Tago, K., Ohwada, S., Akiyama, T. Cancer Res. (2002) [Pubmed]
  2. Proteomic profiling of urinary protein excretion in the factor H-deficient mouse. Braun, M.C., Li, L., Ke, B., Dubinsky, W.P., Pickering, M.C., Chang, J.Y. American journal of nephrology. (2006) [Pubmed]
  3. Anteriorization of neural fate by inhibitor of beta-catenin and T cell factor (ICAT), a negative regulator of Wnt signaling. Satoh, K., Kasai, M., Ishidao, T., Tago, K., Ohwada, S., Hasegawa, Y., Senda, T., Takada, S., Nada, S., Nakamura, T., Akiyama, T. Proc. Natl. Acad. Sci. U.S.A. (2004) [Pubmed]
  4. An optimized strategy for ICAT quantification of membrane proteins. Ramus, C., Gonzalez de Peredo, A., Dahout, C., Gallagher, M., Garin, J. Mol. Cell Proteomics (2006) [Pubmed]
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