How does the interaction between Notch1 and its ligand mediate T-cell development?
What will be an ideal response?
After binding of the extracellular domain of Notch1 to the extracellular portion of Notch ligand, the intracellular domain of Notch1 is released by proteolysis and subsequently translocates to the nucleus. In the thymocyte nucleus, this domain forms a transcription factor complex that displaces repressor proteins from genes involved in T-cell development and initiates transcription of these genes by recruiting transcription activator proteins.
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