| NCT — Nicastrin | |
|---|---|
| Symbol | NCT |
| Full Name | Nicastrin |
| Chromosome | 1p31.3 |
| NCBI Gene | 51594 |
| Ensembl | ENSG00000103546 |
| OMIM | 605226 |
| UniProt | Q92542 |
| Diseases | Alzheimer's Disease, Frontotemporal Dementia |
| Expression | Ubiquitous, Brain (cortex, hippocampus), Heart, Lung |
Nct (Nicastrin) Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
NCT encodes Nicastrin, an essential component of the gamma-secretase complex. Gamma-secretase is an unusual aspartyl protease that cleaves within the transmembrane domain of its substrates, including Amyloid Precursor Protein (APP) and Notch. Nicastrin is the largest subunit of the complex and plays critical roles in substrate recognition and protease assembly [1].
Nicastrin is a type I transmembrane protein with a large extracellular domain that forms the substrate docking site. The protein is expressed ubiquitously, with high levels in the brain, particularly in regions affected by Alzheimer's disease pathology.
Nicastrin is one of four essential components of gamma-secretase:
Nicastrin functions as:
Nicastrin is central to AD pathogenesis because:
NCT variants have been linked to FTD in some studies, likely through effects on gamma-secretase processing of other substrates.
The study of Nct (Nicastrin) Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.