The **RPL12P15 gene** is a pseudogene that is part of the ribosomal protein L12 (RPL12) family, predominantly implicated in the assembly of ribosomes, which are crucial for protein synthesis. The "P" in the gene's name denotes that it is a pseudogene, which means it is a non-functional analogue of the gene. Here are further details surrounding your queries:

### 1. Associated Genes
While the NCBI and UniProt summaries may not specifically mention associated genes, pseudogenes often share sequence homology with their functional counterparts. The RPL12P15 gene is likely affiliated with other ribosomal protein genes, especially those from the RPL family like **RPL12** itself. However, information about specific gene interactions or associations beyond sequence similarity is often limited for pseudogenes.

### 2. Aging and Age-related Diseases
There is limited direct research available on the RPL12P15 gene concerning aging or age-related diseases specifically. However, ribosomal proteins, in general, are essential for cellular function and may play a role in the aging process, given their involvement in protein synthesis and cellular repair mechanisms. Aberrations in the expression of ribosomal genes can impact cellular senescence, stress responses, and age-related diseases.

### 3. Drug Interactions
As RPL12P15 is a pseudogene, it may not have direct drug interactions or be a target for drugs compared to functional genes involved in critical metabolic or signaling pathways. However, drugs affecting ribosome biogenesis or protein synthesis could indirectly relate to the pathways where RPL12 is functionally involved rather than directly interacting with RPL12P15.

### 4. Pathways and Biological Processes
RPL12P15, as a pseudogene, is not directly involved in biological pathways or cellular processes since it does not code for a functional protein. However, its homologous gene RPL12 is part of the ribosome assembly and function in cellular translation. RPL12 participates in:

- **Ribosome Biogenesis**: Essential for the assembly of ribosomal subunits.
- **Protein Synthesis**: Functionally contributes to the translation process for synthesizing proteins.
- **Cell Growth and Proliferation**: Ribosomal proteins are fundamental for cellular growth and division.

In summary, while RPL12P15 does not have direct functional characterizations typically associated with active genes, it is indirectly connected to essential biological processes through its association with functional ribosomal proteins. As a pseudogene, it serves a more ancillary role likely related to gene regulation or evolutionary history without contributing to the organism's functional biology.