| Gene Symbol | NCF1 |
|---|---|
| Full Name | Neutrophil Cytosolic Factor 1 (p47phox) |
| Chromosomal Location | 7q11.23 |
| NCBI Gene ID | 4748 |
| OMIM | 608512 |
| Ensembl ID | ENSG00000158517 |
| UniProt ID | P14598 |
| Associated Diseases | Chronic Granulomatous Disease, Parkinson's Disease, Alzheimer's Disease |
Neutrophil Cytosolic Factor 1 (NCF1), also known as p47phox, is a critical cytosolic subunit of the NADPH oxidase (NOX2) complex essential for generating reactive oxygen species (ROS) in phagocytic cells.[1] The NOX2 complex is a multi-subunit enzyme system that catalyzes the production of superoxide anion (O2•−) from molecular oxygen, a process fundamental to innate immune defense. NCF1 serves as the organizing center (or organizer) of the complex, facilitating the translocation of cytosolic components to the membrane-bound cytochrome b558 to form the active enzyme complex.[2]
In the nervous system, NCF1 is primarily expressed in microglia, the resident immune cells of the brain. While its primary function is in innate immunity, dysregulated NCF1 activity has been implicated in neurodegenerative diseases. In both Alzheimer's disease (AD) and Parkinson's disease (PD), increased NCF1 expression and activity in microglia contributes to chronic neuroinflammation and oxidative stress, which are hallmark features of these disorders.[3][4] The dual role of NCF1/NOX2 in both protective immunity and pathological oxidative damage makes it a complex therapeutic target.
NCF1 encodes the p47phox subunit, a critical organizer of the NADPH oxidase complex. It is essential for the assembly and activation of NOX2 (encoded by CYBB).