Developmental Biology and Gene Regulation

Notch signaling is a conserved cell-to-cell communication pathway that instructs individual cells whether to proliferate, differentiate, or maintain stem-cell identity during embryonic development and throughout adult life. By controlling which genes switch on or off at precise moments, Notch shapes tissue boundaries, organ formation, and the balance between self-renewal and specialization across vertebrates from zebrafish to humans. Disruptions in this pathway are implicated in developmental defects and tumorigenesis, making it a critical target for understanding how normal cell fate decisions go wrong. Researchers are actively working to untangle how Notch coordinates with other signaling systems across evolutionary lineages and how its activity in stem cell niches might be harnessed or corrected in disease contexts.

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Keywords

Notch SignalingDevelopmentGene RegulationStem CellsEvolutionary BiologyEmbryonic Development