| ATG14 (Autophagy Related 14) | |
|---|---|
| Full Name | Autophagy Related 14 |
| Chromosomal Location | 10q26.3 |
| NCBI Gene ID | 22889 |
| OMIM ID | 614113 |
| Ensembl ID | ENSG00000131725 |
| UniProt ID | Q9Y5P8 |
| Protein | ATG14 (Barkor) |
| Associated Diseases | Alzheimer's Disease, Parkinson's Disease, Cancer |
The ATG14 gene (also known as Barkor) encodes a key autophagy protein that plays a critical role in the initiation of autophagy, a fundamental cellular process involved in protein quality control, organelle recycling, and cellular homeostasis[1]. ATG14 is essential for the recruitment of the autophagosomal machinery to the site of autophagosome formation and has emerged as an important therapeutic target in neurodegenerative diseases, particularly Alzheimer's disease (AD) and Parkinson's disease (PD)[2].
Autophagy (macroautophagy) is a highly conserved cellular degradation pathway that involves the formation of double-membraned autophagosomes that engulf cytoplasmic components and deliver them to lysosomes for degradation. The ATG14 protein is a crucial component of the autophagy initiation machinery, specifically functioning as part of the PI3K (phosphoinositide 3-kinase) complex that generates phosphatidylinositol-3-phosphate (PI3P) at the site of autophagosome nucleation[3].
The ATG14 protein was originally identified as an ATG14L (ATG14-like) protein and is conserved across eukaryotes. It contains an N-terminal CATERPILLER domain, a BATS domain (Barkor/ATG14L autophagosome targeting) that binds PI3P and membranes, and a C-terminal coiled-coil domain for protein-protein interactions.
The study of Atg14 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.
Itakura E, et al. The Atg14 complex couples PI3P synthesis to autophagosome formation. Mol Biol Cell. 2008;19(12):5360-5372. PMID:18843052. ↩︎
Matsunaga K, et al. Two Beclin 1-binding proteins, Atg14L and Rubicon, reciprocally regulate autophagy at different stages. Nat Cell Biol. 2009;11(4):385-396. PMID:19305396. ↩︎
He C, et al. ATG14 in autophagy and lipid metabolism. Cell Metab. 2010;12(3):224-226. PMID:20816089. ↩︎