| SLC25A4 — Solute Carrier Family 25 Member 4 (ANT1) | |
|---|---|
| Symbol | SLC25A4 |
| Full Name | Solute Carrier Family 25 Member 4 (Adenine Nucleotide Translocator 1) |
| Chromosome | 4q31.21 |
| NCBI Gene | 291 |
| Ensembl | ENSG00000151729 |
| OMIM | 103220 |
| UniProt | P12235 |
| Diseases | Parkinson's Disease, Alzheimer's Disease, Amyotrophic Lateral Sclerosis, Mitochondrial DNA Depletion Syndrome |
| Expression | High expression in heart, skeletal muscle, brain; tissues with high energy demands |
SLC25A4 (also known as ANT1 or Adenine Nucleotide Translocator 1) is a mitochondrial carrier protein that catalyzes the exchange of ADP and ATP across the inner mitochondrial membrane. It is essential for cellular energy production and has been strongly implicated in neurodegenerative diseases.
ANT1 is a 33 kDa protein that comprises the major ADP/ATP translocase in mitochondria. It belongs to the mitochondrial carrier family (SLC25) and functions as a homodimer. Each ANT monomer transports one ADP into the matrix while exporting one ATP to the inter-membrane space, effectively coupling mitochondrial oxidative phosphorylation to cytosolic ATP demand.
There are three ANT isoforms in humans:
ANT1 is the dominant isoform in neurons and is critical for maintaining neuronal energy homeostasis.
In PD:
In AD:
In ALS:
The study of Slc25A4 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.