The **RNU6-373P** gene is a gene that encodes a small nucleolar RNA (snoRNA) which is primarily involved in the biogenesis of other small nuclear and ribosomal RNAs. Here, I will expand on your request with details that go beyond the basic NCBI and UniProt summaries.

### 1. Associated Genes
While specific gene associations can vary by research, snoRNAs are often functionally connected to numerous genes involved in RNA processing and modification. RNU6-373P may share associations with other small nucleolar RNAs or small nuclear RNAs (snRNAs), such as:
- **RNU6 (U6 small nuclear RNA)**
- **RNU4 (U4 small nuclear RNA)**
  
These genes are part of similar familial groups of snoRNAs or snRNAs, which assist in the splicing and structural integrity of RNA molecules.

### 2. Aging and Age-related Diseases
Research linking snoRNAs and age-related diseases is evolving, but a few studies have begun to unravel the roles of small RNAs in conditions such as:
- **Cancer**: Certain snoRNAs have been implicated in tumorigenesis, as their functions can influence the regulation of gene expression required for maintaining cellular homeostasis.
- **Neurodegenerative diseases**: Alterations in snoRNA expression profiles have been observed in diseases like Alzheimer’s, where RNA processing is pivotal for neuronal health.

However, direct associations of RNU6-373P with aging or specific age-related diseases may not yet be well-documented in the literature, necessitating further research to elucidate its role in these areas.

### 3. Drug Interactions
As snoRNAs typically function in RNA processing rather than directly interacting with drug targets, specific drug interactions with **RNU6-373P** or its associated pathways are not well-characterized. However, some drugs that generally affect RNA synthesis or processing, particularly those targeting RNA polymerases or that impact nucleic acid metabolism, could indirectly influence the expression and function of snoRNAs.

### 4. Pathways and Biological Processes
RNU6-373P, as part of the snoRNA family, is primarily implicated in:

- **Ribonucleoprotein complex biogenesis**: SnoRNAs are involved in the formation and function of ribonucleoprotein complexes that are crucial for the processing of pre-mRNA.
- **Pre-mRNA splicing**: This gene likely plays a role in the maturation of mRNA through splicing mechanisms.
- **Nucleotide modification**: SnoRNAs are known to guide the methylation and pseudouridylation of rRNA, thus participating in ribosome assembly and function.

Overall, while RNU6-373P is recognized within the landscape of small RNA genes and their essential roles in cellular processes, further studies are warranted to clarify its specific functions, interactions, and implications in aging and diseases.