The **FAM87B** gene, designated as *family with sequence similarity 87 member B*, encodes a protein whose specific functions remain largely uncharacterized. This gene is located on chromosome 11, and its expression has been detected in various human tissues, although comprehensive functional insights are still emerging.

### 1. Associated Genes:
While FAM87B itself is less studied, it is known to have associations with other genes within the same family or those involved in similar biological contexts. Some genes associated with FAM87B include:
- **FAM87A**: The closest paralog of FAM87B, which shares a family designation but has distinct functions.
- **FAM87C**: Another paralog that may relate in terms of function or expression profiles.
- **Other genes in similar pathways**: While specific genes are not well-documented, those involved in cell cycle regulation and apoptosis might show potential associations due to the gene's relevance in such biological processes.

### 2. Aging and Age-related Diseases:
Although direct links between FAM87B and aging or age-related diseases are not thoroughly documented in the scientific literature, genes implicated in cellular processes such as cell proliferation, apoptosis, or DNA repair can often be considered in the context of aging. Investigating FAM87B's role in such pathways may reveal indirect implications for age-related processes or diseases.

### 3. Drug Interactions:
Currently, there are no specific drugs or drug classes known to directly interact with FAM87B. Given its relatively undefined function, further functional characterization may illuminate connections with pharmacological agents particularly in the context of metabolic diseases or cancers, where cell proliferation is affected.

### 4. Pathways and Biological Processes:
FAM87B is suggested to be involved in several biological processes, but specific pathways have yet to be conclusively established. Investigation of its associated gene products or homologs may indicate involvement in the following areas:
- **Cellular response to stress**: As indicated by its relationships within the gene family.
- **Cell signaling**: Possible roles in pathways governing cellular communication.
- **Cell cycle control**: Given the relevance of protein families in proliferative pathways.
  
Ongoing research may provide more insights into its biological roles and possible involvement in specific pathways like those mediated by growth factors or stress responses.

In summary, FAM87B remains a gene of interest within the broader context of genetic research due to its association with other genes, potential implications in aging, and involvement in various fundamental biological processes. Further studies are necessary to elucidate its precise functional roles.