The SNORD35B gene (small nucleolar RNA, C/D box 35B) is a member of the small nucleolar RNA (snoRNA) family, specifically belonging to the C/D box snoRNAs. These snoRNAs play crucial roles in the post-transcriptional modification of ribosomal RNA (rRNA) and other RNA species, primarily through methylation and guiding the modification process.

### 1. Associated Genes:
While specific investigations regarding the direct association of SNORD35B with other genes may not be extensively available, snoRNAs generally work closely with genes involved in ribosome biogenesis and RNA modification. Some snoRNAs share functions and interactions with other snoRNAs like:

- **SNORD35A**: Another member of the SNORD family which may perform similar roles.
- **SNORDs in general**: They often interact with multiple genes involved in RNA modification processes.

### 2. Aging or Age-related Diseases:
As of the current data available, there is limited specific information on SNORD35B's direct association with aging or age-related diseases. However, snoRNAs, in general, have been implicated in cellular aging processes due to their roles in ribosome function and overall protein synthesis, which can decline with age. Dysregulation of snoRNA expression has also been associated with various age-related diseases like cancer and neurodegeneration, though more specific studies would be required to definitively correlate SNORD35B with these conditions.

### 3. Drug Interactions:
There are currently no specific drugs or drug classes known to directly interact with SNORD35B. SnoRNAs like SNORD35B usually don't have direct pharmacological targets but may be modulated by broader treatments that affect ribosome biogenesis or RNA modification pathways.

### 4. Pathways and Biological Processes:
SNORD35B is primarily involved in:

- **rRNA Modification**: The primary function of snoRNAs, including SNORD35B, is guiding the methylation of rRNA, which is essential for the proper assembly and function of ribosomes.
- **Ribosome Biogenesis**: Through its role in rRNA modification, SNORD35B contributes to the overall process of ribosome biogenesis, a critical cellular function necessary for protein synthesis.
- **RNA Processing**: Beyond rRNA, snoRNAs also play roles in processing other RNA types, although the specific contributions of SNORD35B to these processes may require further elucidation.

### Conclusion
In summary, while SNORD35B's role is well characterized within the context of rRNA modification and ribosome biogenesis, ongoing research will be essential to uncover its deeper associations with aging, drug interactions, and more specific pathways. Understanding its interactions and impacts could potentially lead to insights into age-related dysfunction and diseases.