Xpo1 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.
XPO1 (Exportin 1), also known as CRM1, is a nuclear export receptor that mediates the export of proteins and RNAs from the nucleus to the cytoplasm. It is essential for cellular function and is frequently mutated or overexpressed in cancer and neurodegenerative diseases. [1]
| Property | Value | [2]
|----------|-------| [3]
| Gene Symbol | XPO1 | [4]
| Full Name | Exportin 1 (CRM1) |
| Chromosomal Location | 2p15 |
| NCBI Gene ID | 7514 |
| UniProt ID | O14980 |
| Ensembl ID | ENSG00000100401 |
XPO1/CRM1 is a member of the karyopherin family:
The study of Xpo1 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.
XPO1/CRM1 is ubiquitously expressed in all tissues, with high levels in:
In the brain, XPO1 is localized primarily to the cytoplasm with nuclear-cytoplasmic shuttling. It is expressed in both excitatory glutamatergic and inhibitory GABAergic neurons, as well as in glial cells including astrocytes and oligodendrocytes.
XPO1 functions as a member of the karyopherin family of nuclear transport receptors:
Key cargo proteins include:
XPO1 is an emerging therapeutic target:
Clinical trials are evaluating SINE compounds for ALS and FTD based on their ability to:
RanGTP Binding: Forms export complexes in the presence of RanGTP. RanGTP Binding. ↩︎
Nuclear Pore Transit: The complex traverses the nuclear pore complex (NPC). Nuclear Pore Transit. ↩︎
Cargo Release: RanGTP hydrolysis in the cytoplasm releases the cargo. Cargo Release. ↩︎
Recycling: XPO1 returns to the nucleus for another export cycle. Recycling. ↩︎