The RNA5SP360 gene encodes a small nucleolar RNA (snoRNA), which is involved in the modification and processing of ribosomal RNA (rRNA). It plays a critical role in ribosome biogenesis by facilitating the methylation of rRNA and guiding the chemical modifications that are essential for the proper function of the ribosome.

### 1. Associated Genes
While specific associations of RNA5SP360 with other genes may not be well-characterized in terms of direct interactions, snoRNA genes often co-evolve or share regulatory mechanisms with other snoRNAs and genes involved in RNA processing. Additionally, snoRNAs like RNA5SP360 may be broadly related to ribosomal protein genes and genes involved in RNA metabolism. Studies may identify genes within the same chromosomal locus or associated with the same operons.

### 2. Aging and Age-Related Diseases
To date, the specific role of RNA5SP360 in aging or age-related diseases is not extensively documented. However, snoRNAs in general are known to play crucial roles in ribosome function, which has implications for cellular growth, proliferation, and metabolic homeostasis. Deterioration in ribosome biogenesis and function is increasingly linked to age-related pathologies, including neurodegenerative diseases and cancers. Therefore, while direct associations may not be evident, the general function of RNA5SP360 as part of nucleolar activity might connect to broader age-related phenomena.

### 3. Drug Interactions
As a snoRNA, RNA5SP360 does not have direct drug interactions in the way that protein-coding genes might. However, drugs that target pathways involved in ribosome biogenesis or RNA processing could influence the expression or activity of snoRNAs, including RNA5SP360. For instance, some chemotherapeutic agents or agents targeting the NPM1/RNA polymerase pathways may indirectly affect snoRNA function due to their roles in cellular division and RNA synthesis.

### 4. Pathways and Biological Processes
RNA5SP360 is primarily involved in the following biological processes:
- **Ribosomal RNA processing**: Facilitating the modification of rRNA, crucial for the formation of functional ribosomes.
- **Nucleolar organization**: Contributing to the structure and function of the nucleolus, where rRNA synthesis and processing occur.
- **Regulation of gene expression**: Although snoRNAs are not involved in mRNA processing directly, they play a role in the overall regulation of gene expression through ribosome assembly and function.

Additionally, RNA5SP360 may be implicated in pathways involving:
- **mRNA splicing**: Through interactions with the spliceosome.
- **mature ribosome assembly**: Ensuring that rRNA is properly modified and assembled into ribosomes necessary for protein synthesis.

Overall, the RNA5SP360 gene is vital for ribosome biogenesis but is not firmly linked in the literature to specific aging processes, disease interactions, or drug interactions as of my last training cut-off in October 2023. Further research may shed light on more nuanced roles it might play in various biological contexts.