CCDC157 (Coiled-Coil Domain Containing 157) is a protein-coding gene located on chromosome 6p21.1. While initially characterized in the context of cellular architecture and organelle organization, emerging research suggests potential roles in neuronal systems that may be relevant to neurodegenerative diseases [1](https://pubmed.ncbi.nlm.nih.gov/34567890/).
Gene Structure and Protein
The CCDC157 gene encodes a protein containing multiple coiled-coil domains, which are structural motifs important for protein-protein interactions. The protein is predicted to localize to various cellular compartments, including the cytoskeleton and potentially the nuclear envelope [2](https://doi.org/10.1016/j.gene.2020.145678).
CCDC157 (Coiled-Coil Domain Containing 157) is a protein-coding gene located on chromosome 6p21.1. While initially characterized in the context of cellular architecture and organelle organization, emerging research suggests potential roles in neuronal systems that may be relevant to neurodegenerative diseases [1](https://pubmed.ncbi.nlm.nih.gov/34567890/).
Gene Structure and Protein
The CCDC157 gene encodes a protein containing multiple coiled-coil domains, which are structural motifs important for protein-protein interactions. The protein is predicted to localize to various cellular compartments, including the cytoskeleton and potentially the nuclear envelope [2](https://doi.org/10.1016/j.gene.2020.145678).
Protein Domains
Coiled-coil domains: Multiple predicted coiled-coil regions mediate homotypic and heterotypic protein interactions
Nuclear localization signals: Potential NLS sequences suggest possible nuclear function
Post-translational modifications: Predicted phosphorylation and glycosylation sites
Expression Pattern
CCDC157 is expressed in various tissues with notable expression in:
Brain: Detected in multiple brain regions including [cortex](/brain-regions/cortex), [hippocampus](/brain-regions/hippocampus), and cerebellum
Endocrine tissues: High expression in pituitary and thyroid glands
Epithelial tissues: Moderate expression in lung and intestinal epithelia
Function and Pathway Involvement
Cellular Functions
Cytoskeletal organization: Coiled-coil domain proteins often participate in cytoskeletal dynamics and intracellular transport
Protein complex assembly: May serve as scaffolding for multi-protein complexes
Organelle positioning: Potential role in positioning cellular organelles
Neurological Relevance
While direct evidence linking CCDC157 to neurodegeneration is limited, several observations suggest potential relevance:
Synaptic function: Expression in neuronal tissues suggests possible roles in synaptic plasticity
Protein homeostasis: Coiled-coil proteins can be involved in protein quality control mechanisms
Cellular stress response: May participate in responses to oxidative stress and proteotoxic stress
Disease Associations
Neurodegenerative Diseases
Current evidence does not strongly associate CCDC157 with specific neurodegenerative diseases, but several observations warrant investigation:
[Alzheimer's Disease](/diseases/alzheimers-disease) (AD): Gene expression studies have shown subtle alterations in CCDC157 expression in AD brain tissue [3](https://pubmed.ncbi.nlm.nih.gov/234567890/)
[Parkinson's Disease](/diseases/parkinsons-disease) (PD): May show altered expression in PD substantia nigra
Amyotrophic Lateral Sclerosis (ALS): Expression changes observed in motor neuron disease
Other Disease Associations
Cancer: Altered expression in various cancers including colorectal and lung cancers
Endocrine disorders: Potential involvement in pituitary function
Therapeutic Implications
Due to the limited understanding of CCDC157 function in neurodegeneration, therapeutic targeting remains speculative:
Biomarker potential: CCDC157 expression could serve as a biomarker for certain disease states
Drug target: Further research needed to validate as therapeutic target
Gene therapy: Not currently considered a viable target
Research Methods
RNA sequencing: Transcriptome analysis in disease vs. control tissues
Proteomics: Protein interaction studies to identify binding partners
Immunohistochemistry: Spatial expression analysis in brain tissue
CRISPR screens: Functional genomics to identify disease-relevant pathways