The FAM117A gene, also known as Family with Sequence Similarity 117 Member A, is a member of the FAM117 gene family. This gene has been studied primarily for its potential roles in cellular functions, although specific functional details remain limited compared to more extensively researched genes. Below is a detailed overview:

### 1. Associated Genes:
While specific gene associations for FAM117A might not be extensively documented, it is helpful to consider genes that may share pathways or functions:
- **FAM117B:** Closely related to FAM117A, part of the same family.
- **FAM117C:** Another family member, though the function may not be well characterized.
- Additional genes known to interact or be co-expressed could include those involved in pathways relevant to developmental processes or certain cellular responses; however, specific interactions are still an area for further research.

### 2. Aging and Age-Related Diseases:
Current research does not extensively document an explicit role for FAM117A in aging or age-related diseases directly. However, genes in the FAM117 family may impact cellular functions linked to developmental processes, which can indirectly affect aging or age-related phenotypes. Further research may elucidate more about its role in these contexts.

### 3. Drug or Drug Classes Interaction:
As of now, there are no major known drugs or drug classes specifically interacting with the FAM117A gene. Given the limitations in the functional understanding of this gene, its potential as a therapeutic target may still be in preliminary investigations.

### 4. Pathways and Biological Processes:
The specific pathways and biological processes involving FAM117A have not been deeply characterized. However, general predictions based on its family membership suggest potential roles in:
- **Cellular Signaling:** Genes in the FAM families often play roles in cellular signaling mechanisms.
- **Developmental Pathways:** Like other family members, FAM117A may be involved in processes crucial for cellular differentiation or development.
- **Stress Responses:** Some family members are postulated to be involved in cellular responses to various stressors, indirectly influencing cellular aging processes.

### Summary:
In conclusion, the FAM117A gene is part of a gene family with potential roles in various biological processes, yet its specific functions, interactions with drugs, and links to aging are still under investigation. As research continues, more comprehensive insights may emerge that clarify its biological implications and therapeutic potential. For comprehensive functional studies, future investigations may focus on experimental models or high-throughput data that incorporate omics technologies.