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Notch/Jagged Signaling

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Definition

Notch and Jagged proteins define an evolutionarily conserved signal transduction pathway that is critically important for cell fate decisions in metazoan development. Notch and Jagged are single pass membrane-spanning proteins that share a receptor/ligand relationship, respectively. Jagged is the mammalian orthologue of the Drosophila Serrate gene. Collectively, the Notch ligands are referred to as the DSL proteins (Delta/Serrate/Lag). Constitutive activation of the Notch signaling pathway by chromosomal translocation, point mutation, or gene amplification plays a role in tumor initiation and/or progression. Aberrant expression of the intracellular portion of Notch proteins (NotchIC) is associated with the oncogenic transformation of cells. Notch was linked to cancer through its frequent mutation in T-cell acute lymphoblastic leukemia (T-ALL).

Characteristics

DSL proteins are encoded by the Serrate and Delta genes. Drosophila melanogaster possess only a single Serrate, Delta...

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References

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Correspondence to Marie-Clotilde Alves-Guerra .

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© 2015 Springer-Verlag Berlin Heidelberg

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Alves-Guerra, MC., Demarest, R.M., Capobianco, A.J. (2015). Notch/Jagged Signaling. In: Schwab, M. (eds) Encyclopedia of Cancer. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27841-9_4132-2

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  • DOI: https://doi.org/10.1007/978-3-642-27841-9_4132-2

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-27841-9

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