NCLN (Nicalin): NCLN is a protein that is part of a complex regulating intracellular signaling pathways vital for development. It plays a key role in modulating Notch signaling — a pathway that controls cell differentiation, proliferation, and apoptosis. Disruption of NCLN or related pathways can lead to developmental disorders and various diseases, including cancer, underscoring its significance in cellular communication and overall developmental processes.