The EXOC7 gene encodes a key component of the exocyst complex, which is fundamental in mediating vesicular trafficking and exocytosis. Below are elaborations on your requests for additional details:

### 1. Associated Genes:
EXOC7 is involved in and associated with several other genes due to its role in vesicle transport and exocytosis. Some notable associated genes include:
- **EXOC1, EXOC2, EXOC3, EXOC4, EXOC5, EXOC6, EXOC8**: These are all components of the exocyst complex and play essential roles in the cargo recognition, movement, and docking of vesicles at the plasma membrane.
- **SLC2A4 (GLUT4)**: This gene encodes the glucose transporter type 4, which is significant in insulin-stimulated glucose uptake in adipocytes.
- **PRP19**: As mentioned, EXOC7 may interact with this pre-mRNA-processing factor, linking it to RNA processing mechanisms.

### 2. Aging or Age-Related Diseases:
Current research on EXOC7's role in aging or age-related diseases is limited. However, implications can be drawn based on its function:
- **Neurodegenerative Diseases**: Given its importance in neuron survival and cortical development, dysregulation of EXOC7 may contribute to the pathology of neurodegenerative diseases, which are often related to aging, such as Alzheimer’s disease.
- **Metabolic Disorders**: As it plays a role in insulin response via GLUT4 trafficking, abnormalities in EXOC7 function may influence the risk of age-related metabolic disorders, including Type 2 diabetes and obesity.

### 3. Drug/Drug Class Interactions:
Currently, there are no specific drugs or drug classes uniquely known to interact with EXOC7 reported in major databases. However, drugs that influence metabolic pathways may indirectly affect its function due to its role in vesicle trafficking and insulin signaling (e.g., insulin sensitizers like Metformin); further research might clarify potential drug interactions.

### 4. Pathways and Biological Processes:
- **Exocytosis**: The primary pathway involving EXOC7 is related to exocytosis where it aids in the fusion of vesicles with the plasma membrane.
- **Vesicle Transport**: EXOC7 is critical to the transport of post-Golgi vesicles to specific sites on the plasma membrane.
- **Insulin Signaling Pathway**: It plays a role in targeting the SLC2A4 (GLUT4) vesicles in response to insulin, significant for glucose homeostasis.
- **Cell adhesion**: As a component of the exocyst, it is also involved in processes that regulate cell adhesion, which can influence tissue integrity and morphology.
- **Developmental Biology**: It contributes to cortical development and neuron viability, highlighting its role in embryotic and neuronal development pathways.

In summary, the EXOC7 gene plays a multifaceted role in exocytosis and cellular trafficking, which ties it to various biological processes and potential implications in age-related conditions. Research continues to evolve in understanding how EXOC7 and its associated pathways might influence health and disease outcomes.