Cell Signaling Technology

Product Pathways - Wnt / Hedgehog / Notch

TWIST1 Antibody #4119

Applications Reactivity MW (kDa) Source
W IP H Mk 26 Rabbit

Applications Key:  W=Western Blotting  IP=Immunoprecipitation
Reactivity Key:  H=Human  Mk=Monkey
Species enclosed in parentheses are predicted to react based on 100% sequence homology. Species cross-reactivity is determined by Western blot.

Specificity / Sensitivity

TWIST1 Antibody detects endogenous levels of total TWIST1 protein.

Source / Purification

Polyclonal antibodies are produced by immunizing rabbits with a synthetic peptide (KLH-coupled) corresponding to amino acids near the carboxy terminus of human TWIST1. Antibodies are purified by peptide affinity chromatography.

Western Blotting

Western Blotting

Western blot analysis of extracts from NCCIT and SH-SY5Y cells using TWIST1 Antibody.

Background

TWIST1 is a basic helix-loop-helix (b-HLH) transcription factor that functions as a master regulator of embryonic morphogenesis and plays essential roles in mesenchymal differentiation and osteogenic determination (1-3). Mutations affecting the b-HLH domain of the TWIST1 gene have been associated with Saethre-Chotzen syndrome, an autosomal dominant craniosynostosis disorder causing craniofacial and limb abnormalities (4,5). TWIST1 is upregulated in various human tumors and may play a role in EMT (epithelial-mesenchymal transition) and metastasis (6,7). Upregulation of TWIST1 may contribute to resistance to Taxol and microtubule regulating drugs in tumors (8).

  1. Thisse, B. et al. (1987) Nucleic Acids Res. 15, 3439-3453.
  2. Lee, M.S. et al. (1999) J. Cell Biochem. 75, 566-577.
  3. Chen, Z.F. and Behringer, R.R. (1995) Genes Dev. 9, 686-699.
  4. Howard, T.D. et al. (1997) Nat. Genet. 15, 36-41.
  5. Connerney, J. et al. (2006) Dev. Dyn. 235, 1345-1357.
  6. Watanabe, O. et al. (2004) Anticancer Res. 24, 3851-3856.
  7. Yang, J. et al. (2004) Cell 117, 927-939.
  8. Wang, X. et al. (2004) Oncogene 23, 474-482.

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