The FAM110B gene, also known as "Family with sequence similarity 110 member B," is a relatively lesser-known gene that has been implicated in various cellular processes and possibly in tumor progression. Here's a more detailed overview based on your requests:

### 1. Associated Genes
While specific gene associations can vary depending on the context (e.g., tumor types, cellular interactions), FAM110B has been linked to several other genes in the context of cancer and cellular functions. Some genes that have been reported in association with FAM110B include:
- **FAM110A**: This gene is closely related and may share functional roles.
- **TP53**: Mutations in TP53 are commonly associated with various cancers, and genes like FAM110B may have interactions in tumor progression pathways.
- **CCND1**: Cyclin D1 is often dysregulated in cancers, and its pathways may intersect with those influenced by FAM110B.

### 2. Aging and Age-Related Diseases
As of the latest data, there are limited direct studies linking FAM110B with aging or age-related diseases. However, given its association with tumor progression, one can speculate that perturbations in FAM110B expression could play a role in age-related cancers. There is emerging evidence that many cancer-related genes have a role in cellular senescence and age-related cellular functions, which may indirectly implicate FAM110B in these processes. Additional research is required to clearly define any explicit role the gene may have in aging.

### 3. Drug Interactions
Currently, there are no well-documented specific drugs or drug classes directly linked to FAM110B. However, given its putative role in tumor progression, it may be indirectly affected by various chemotherapy agents or targeted therapies used in oncology. Research into the specific interactions and pathways of FAM110B may reveal potential therapeutic interventions down the line.

### 4. Pathways and Biological Processes
FAM110B is thought to be involved in several biological processes, especially in the context of cancer. The following pathways and processes may be linked with FAM110B:

- **Cell Cycle Regulation**: Given its potential relationship with tumor progression, FAM110B may influence cell cycle progression.
- **Cellular Response to Stress**: It might play a role in how cells respond to various stressors, which is crucial in cancer biology.
- **Signal Transduction Pathways**: FAM110B may participate in signaling pathways that are essential in both normal cellular function and tumor development.

Overall, while FAM110B is an interesting gene with potential implications in cancer biology, further investigation is needed to clarify its exact roles and associations fully. Studies focusing on its functions in cellular processes, tumorigenesis, and possible connections to aging would help elucidate the significance of this gene.