The RNA5SP508 gene, also known as a small nucleolar RNA (snoRNA), plays a crucial role in the modification of other RNA molecules, particularly ribosomal RNA (rRNA). Below are the requested additional details regarding the gene.

### 1. Associated Genes
While RNA5SP508 is predominantly characterized as a snoRNA, it may be linked to other genes indirectly through its role in RNA modification. Specifically, snoRNAs often exist within host genes, and other small nucleolar RNAs can be associated. Some associated genes could include:
- **U87** (also a snoRNA) as snoRNAs tend to operate in networks.
- **C/D box snoRNA genes** that share similar functions and pathways.

### 2. Association with Aging or Age-Related Diseases
Current research suggests that the dysregulation of snoRNAs, including RNA5SP508, may correlate with certain age-related diseases, including:
- **Cancer:** Altered expression of snoRNAs has been linked to various cancers, indicating that RNA5SP508 might play a role in cancer-related processes.
- **Neurodegenerative Diseases:** Some studies suggest that snoRNAs may also be involved in the regulation of target genes, which can influence aging and neurodegeneration.

However, specific research explicitly linking RNA5SP508 to aging or specific age-related diseases may be limited. Hence, more studies are needed to clarify these associations.

### 3. Drug Interactions
Currently, there is no specific information regarding any drugs or drug classes that interact directly with the RNA5SP508 gene. Typically, snoRNAs are not direct targets for drugs; however, alterations in snoRNA expression can influence drug metabolism indirectly due to their roles in rRNA maturation and processing.

### 4. Pathways and Biological Processes
RNA5SP508 is involved in various key biological processes:
- **rRNA Processing:** It is primarily involved in the modification and processing of ribosomal RNA – a critical step for the maturation of ribosomal subunits necessary for translation.
- **Gene Regulation:** SnoRNAs are implicated in the regulation of gene expression through RNA modifications and may influence splicing and stability of target mRNAs.
- **RNA Modification Pathways:** It participates in the C/D box snoRNA pathway, collaborating with other snoRNPs (small nucleolar ribonucleoproteins) to methylate rRNA substrates.

### Conclusion
RNA5SP508, as a snoRNA, is vital in ribosomal RNA modification, thus directly impacting protein synthesis. Research linking it to age-related diseases and specific drug interactions is still emerging and requires further investigation to elucidate its complete biological significance.