Bag3 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.
| Property | Value | [1]
|----------|-------| [2]
| Gene Symbol | BAG3 | [3]
| Full Name | BCL2 Associated Athanogene 3 | [^5]
| Aliases | BAG3, BIS, MFM |
| Chromosome | 10 |
| Location | 10q25.2 |
Hsp70 co-chaperone with anti-apoptotic function; links Hsp70 to Hsp90 client proteins; facilitates protein quality control; regulates macroautophagy and chaperone-assisted selective autophagy (CASA); zinc finger domain for protein-protein interactions
Protein folding; anti-apoptotic signaling; autophagy; cytoskeletal organization; cellular stress response; muscle development
ALS/FTD (BAG3 mutations cause familial ALS); Charcot-Marie-Tooth disease (BAG3 myopathy); Alzheimer's Disease (chaperone dysfunction); Parkinson's Disease (autophagy impairment); Dilated cardiomyopathy
BAG3 modulators; autophagy enhancers; Hsp70-BAG3 interface inhibitors; gene therapy approaches
The study of Bag3 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.
The BAG3 gene is located on chromosome 10q25.2-q26.11 and encodes a 575 amino acid protein. The gene consists of 4 exons and is approximately 18 kb in length. The promoter region contains several regulatory elements including heat shock elements (HSEs).
BAG3 (Bcl-2-associated athanogene 3) is a multi-domain protein:
The BAG domain binds the ATPase domain of Hsp70, functioning as a co-chaperone with nucleotide exchange factor activity.
BAG3 has a restricted expression pattern:
Cellular localization: cytoplasm, where it forms large aggregates under stress.
BAG3 modulates Hsp70 function:
BAG3 inhibits apoptosis through:
BAG3 is a key autophagy regulator: