### Gene Summary: SNORD111
The SNORD111 gene, also known by its full name "Small Nucleolar RNA, C/D Box 111," encodes a small nucleolar RNA (snoRNA) that is primarily involved in the biogenesis of ribosomes and modification of rRNA through methylation processes. SnoRNAs are essential components of the cellular machinery that regulate post-transcriptional modifications of ribosomal RNAs, contributing to ribosome assembly and function.

### Other Associated Genes
While specific associated genes are not always directly mentioned, snoRNAs like SNORD111 are often associated with complex gene networks involved in RNA processing. There may be indirect associations with genes involved in ribosomal function or other snoRNAs, such as:

- **SNORDs (e.g., SNORD12, SNORD14, SNORD15)** - other small nucleolar RNAs that play similar roles in rRNA modification.
- **Ribosomal Protein Genes (RPSA, RPL5)** - essential components of ribosomes that might have regulatory interactions with snoRNAs.

### Aging and Age-Related Diseases
Currently, the direct role of SNORD111 in aging or age-related diseases has not been extensively documented in the literature. However, alterations in snoRNA expression have been implicated in:

- **Cancer** - Aberrant expression of snoRNAs has been observed in various malignancies, which could be linked to aging due to increased mutation rates and cellular stress in older tissues.
- **Neurodegenerative Diseases** - Dysregulation of snoRNAs has been suggested to play roles in the pathology of diseases like Alzheimer's, although precise associations for SNORD111 specifically may require further research.

### Drugs or Drug Classes Interacting with SNORD111
Currently, no specific drugs or drug classes have been documented to interact directly with SNORD111. Because it is a snoRNA, its functional modulation would more likely occur at the level of nucleolar activity rather than through conventional drug interactions.

### Pathways and Biological Processes
SNORD111 is involved in several key biological processes and pathways, including:

- **Ribosome Biogenesis**: Participation in the assembly and processing of ribosomal RNAs, essential for ribosome formation.
- **RNA Modification**: Involvement in the 2'-O-ribose methylation of rRNA, a critical modification for ribosomal function.

Through these processes, SNORD111 supports cellular protein synthesis, impacting various physiological systems.

### Conclusion
SNORD111 is a pivotal component of the cellular machinery responsible for rRNA modification, which is crucial for ribosome biogenesis. While its direct role in aging or disease processes remains under-explored, the importance of snoRNAs in cellular stability and function establishes it as a gene of interest in the context of age-related studies. Further research is needed to elucidate its associations with other genes, potential drug interactions, and implications in age-related diseases.