Certainly! Here is a comprehensive overview of the WDR62 gene based on the provided information and additional context:

### WDR62 Gene Overview
- **Gene Symbol**: WDR62
- **Location**: Chromosome 19q13.12
- **Function**: WDR62 is essential for proper cerebral cortical development, specifically in neuronal proliferation and migration. It is involved in the duplication of centrioles, particularly through a complex formation at the centrosome that includes proteins such as CEP152, CDK5RAP2, and CEP63, and is required for the recruitment of CDK2.

### 1. Associated Genes
WDR62 is known to interact with various proteins involved in centriole duplication and cell cycle regulation. Some associated genes/proteins include:
- **CEP152**: Involved in centriole biogenesis.
- **CDK5RAP2**: Plays a role in microtubule organization and is implicated in cell cycle regulation.
- **CEP63**: Associated with centrosome function and organization.
- Additional genes possibly involved in microcephaly and other conditions associated with WDR62 mutations are **MCPH1**, **ASPM**, and **PLK4**, which collectively aid in understanding pathways and processes related to neuronal development.

### 2. Aging and Age-related Diseases
While direct associations of WDR62 with aging are limited, disruptions in cerebral cortical development or microcephaly can contribute indirectly to cognitive decline or longer-term neurodevelopmental conditions. Genetic mutations or dysregulations that affect neuronal architecture and function are increasingly recognized in age-related neurodegenerative diseases, such as:
- **Alzheimer's Disease**: Dysregulation of genes involved in neuronal development could potentially relate to age-related cognitive decline.
- **Microcephaly-related cognitive disability**: Many individuals with microcephaly are more susceptible to progressive cognitive impairment over time, indicating a potential link to age-related disability.

### 3. Drug Interactions
Currently, there are no specific drugs or drug classes that are explicitly linked to the WDR62 gene in the context of pharmacogenomics. However, as research evolves, understanding genetic influences on drug metabolism and responses, especially in neurological disorders, may reveal connections involving WDR62.

### 4. Pathways and Biological Processes
WDR62 is involved in various biological processes, including but not limited to:
- **Neural Development**: Essential for the development of the cerebral cortex; affects processes such as neurogenesis and neuronal migration.
- **Cell Cycle Regulation**: Plays a role in coordinating centriole duplication, necessary for proper cell division.
- **Centriole Assembly and Function**: Functions within centrosomes, impacting cell proliferation and organization of the microtubule network.
- **Organizational Function of Centrioles**: Involvement in centrosome function and stability.

### Conclusion
WDR62 is a critical gene with ramifications for neurodevelopment and potential links to age-related cognitive decline. Significant in cerebral development, its interactions with several key proteins underscore its role in cellular processes necessary for maintaining proper neuronal architecture. Further research may illuminate additional pathways and drug interactions relevant to disorders of the central nervous system and aging.