| PRND — Prion-Like Protein Doppel | |
|---|---|
| Symbol | PRND |
| Full Name | Prion Protein 2 (Doppel) |
| Chromosome | 20p13 (near PRNP) |
| NCBI Gene | 5622 |
| Ensembl | ENSG00000171540 |
| OMIM | 604521 |
| UniProt | Q9NSY5 |
| Protein | [PRND Protein](/proteins/prnd-protein) |
| Diseases | [Prion Disease](/diseases/prion-disease), [Ataxia](/diseases/ataxia) |
| Expression | Testis, Brain (low), Heart, Skeletal muscle |
Prnd Gene Prion Like Protein Doppel is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
PRND (Prion Protein 2), also known as Doppel (Dpl), is a gene located on chromosome 20p13 in the prion protein gene cluster, adjacent to PRNP [1]. The gene encodes a 176-amino acid GPI-anchored protein that shares structural homology with the prion protein (PrP) [1][2].
The PRND gene is approximately 6 kb downstream of PRNP and is expressed in a tissue-specific manner, with highest expression in testis and lower expression in brain [1]. The Doppel protein was discovered as an overexpression product in mice lacking the prion protein gene, where it caused ataxia and Purkinje cell degeneration [2].
PRND belongs to the prion protein family, which includes:
The normal physiological function of Doppel remains incompletely understood:
When overexpressed or misfolded, Doppel can cause neurodegeneration:
PRND mutations have been associated with:
While PRND is not a primary cause of human prion diseases:
The Doppel protein shares structural features with PrP:
Understanding PRND function may provide insights into:
The study of Prnd Gene Prion Like Protein Doppel 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.