Here is an expanded summary of the CEP120 gene, alongside details regarding its associations, roles in aging, drug interactions, and pathways.

### 1. Associated Genes
While the summaries provided do not specify particular interacting genes, studies have shown that CEP120 interacts with several other proteins that play roles in centrosome and microtubule biology. Some of these may include:
- **PLK4**: A kinase involved in centriole duplication.
- **CEP295**: Involved in centriole assembly.
- **KIF2A**: A microtubule motor protein implicated in the transport of cargo along microtubules.
- **TUBG1**: A gamma-tubulin protein that plays a crucial role in microtubule nucleation.

### 2. Aging and Age-related Diseases
While there is limited direct research linking CEP120 to aging or specific age-related diseases, its vital role in neurogenesis and neuronal positioning suggests potential implications. Disruption of CEP120 function could lead to neurogenic defects, progressive neurodegenerative diseases, or developmental disorders due to impaired neural progenitor cell function. Additionally, as centrosome function and microtubule dynamics are critical in cell division and cellular aging dynamics, alterations in CEP120 function may impact overall cellular longevity and health.

### 3. Drug Interactions
Currently, there are no specific drugs that are widely recognized to target or interact directly with CEP120. However, since it is involved in processes like centriole duplication and microtubule organization, drugs affecting microtubule dynamics, such as:
- **Taxanes (e.g., Paclitaxel)**: Stabilize microtubules.
- **Vinca Alkaloids (e.g., Vincristine, Vinblastine)**: Inhibit microtubule polymerization.

These classes of drugs could indirectly affect the functions associated with CEP120, especially in cancer therapies targeting rapidly dividing cells.

### 4. Pathways and Biological Processes
CEP120 is involved in several important cellular processes, including:
- **Microtubule Organization**: Plays a significant role in the structural organization and function of microtubules.
- **Centrosome Function**: Essential for proper centriole duplication and maturation, as well as ciliogenesis.
- **Interkinetic Nuclear Migration (INM)**: Regulates the movement of neural progenitor cell nuclei during development.
- **Neuronal Development**: Implicated in the positioning and migration of neurons, crucial for brain architecture during development.
- **Cell Cycle Progression**: Involved in processes ensuring proper cell division through its role in centrosome biology.

These pathways suggest that CEP120 is not only fundamental for neural development but may also have broader implications in maintaining cellular organization during growth and division, potentially influencing various types of stem and progenitor cells beyond the neural lineage. 

Overall, the CEP120 gene is integral to microtubule dynamics, centrosome function, and neural progenitor behavior, with implications for development and potential insights into neurogenesis and related disorders.