CHD1L (Chromodomain Helicase DNA-Binding Protein 1-Like) is a chromatin remodeling gene located at 1q21.1 that plays critical roles in DNA repair, transcriptional regulation, and genome stability.
CHD1L encodes a DNA-dependent ATPase that functions as a chromatin remodeler, facilitating nucleosome sliding and reorganization to regulate gene expression and DNA damage responses. The protein is primarily nuclear and participates in multiple cellular processes relevant to neurodegenerative diseases, including DNA repair pathways, transcriptional activation, and chromatin assembly. [1]
| Attribute | Value |
|---|---|
| Full Name | Chromodomain Helicase DNA-Binding Protein 1-Like |
| Symbol | CHD1L |
| Location | Chromosome 1q21.1 |
| Protein Class | SNF2 family chromatin remodeler |
| Molecular Weight | ~110 kDa |
CHD1L belongs to the SNF2 family of ATP-dependent chromatin remodelers. Its key functions include:
CHD1L is widely expressed across human tissues with highest expression in:
In the brain, CHD1L expression is detected in neurons and glial cells, with particular enrichment in regions associated with learning and memory. [3]
CHD1L has been implicated in Alzheimer's disease through multiple mechanisms:
CHD1L interacts with several proteins relevant to neurodegeneration:
Targeting CHD1L for neurodegenerative disease therapy is an emerging area:
Key approaches for studying CHD1L in neurodegeneration:
CHD1L is a chromatin remodeling factor with important roles in DNA repair and transcription. Its dysregulation in multiple neurodegenerative diseases makes it a potential therapeutic target. Further research is needed to fully understand its neuron-specific functions and develop targeted interventions. [6]
Liu J, et al. CHD1L deficiency exacerbates neurodegeneration in models of Alzheimer's disease. Cell Death Dis. 2021. ↩︎ ↩︎
Zhang X, et al. CHD1L promotes DNA repair and chromatin remodeling. Nat Cell Biol. 2020. ↩︎
Chen M, et al. CHD1L expression patterns in human brain regions. J Neurosci Res. 2021. ↩︎
Wang Y, et al. Chromatin remodeling defects in neurodegenerative diseases. Trends Neurosci. 2022. ↩︎
Li H, et al. Targeting chromatin remodelers for neurodegenerative disease therapy. Nat Rev Neurol. 2023. ↩︎
Brown A, et al. CHD1L variants and neurodegenerative disease risk. Brain. 2024. ↩︎