NOTCH1 is a gene that encodes a protein involved in the Notch signaling pathway, which plays a crucial role in cell differentiation, proliferation, and apoptosis.
Overall, the expression of NOTCH1 in cancer is complex and can have different implications depending on the tumor type and microenvironment.
Notch1 is a transmembrane receptor involved in the Notch signaling pathway, a highly conserved mechanism that regulates cell differentiation, proliferation, and apoptosis.
– Activation occurs following interaction with membrane-bound ligands (e.g., Jagged and Delta-like proteins) on adjacent cells, leading to proteolytic cleavage and release of the Notch intracellular domain (NICD).
Notch1 expression can be upregulated or activated in many types of cancers, including T‑cell acute lymphoblastic leukemia (T‑ALL), breast cancer, and certain solid tumors.
– In other contexts, such as in some squamous cell carcinomas and cancers of the colon, Notch1 signaling can be reduced, suggesting a dual role depending on the tissue of origin and tumor microenvironment.
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