The GPS2P2 gene, a pseudogene classified under the GPS2 family, is situated on chromosome 13 but is not associated with a classical protein-coding function. Here’s a detailed overview based on your request:

### 1. Associated Genes
GPS2P2 may be associated with several genes from the GPS2 family, which include the following:

- **GPS2**: The primary gene encoding a protein involved in various cellular functions.
- **GPS2P1**: A related pseudogene that may have similar regulatory implications.

Beyond direct associations with GPS2 family genes, GPS2P2 may play roles in regulation pathways that involve other genes related to chromatin modification, transcription regulation, and signaling pathways, but specific associations typically require further experimental validation.

### 2. Aging or Age-Related Diseases
Currently, there is limited information directly linking GPS2P2 to aging or age-related diseases. However, as a pseudogene, GPS2P2 could potentially reflect regulatory mechanisms influencing aging processes, particularly through interactions with functioning relatives such as GPS2. Epigenetic changes and deregulation of regulatory pathways involving pseudogenes have increasingly been implicated in various age-related diseases. This may warrant further studies to elucidate any specific correlations.

### 3. Known Drug Interactions
As of now, there are no direct drug interactions explicitly associated with GPS2P2. However, it is crucial to note that pseudogenes often have indirect influences over key regulatory networks. Therefore, any drugs affecting the function of its associated genes (like GPS2) could indirectly impact pathways concerning GPS2P2 without directly binding or interacting with it.

### 4. Pathways and Biological Processes
Given the nature of GPS2P2 as a pseudogene, it has not been assigned specific molecular functions or direct involvement in biochemical pathways. However, its parent gene, **GPS2**, is known to be involved in various processes, including:

- Gene silencing via regulation of transcription factors and chromatin remodeling.
- Modulation of the inflammatory response.
- Implications in cell differentiation and apoptotic processes.

GPS2 and its functional relatives engage in signaling pathways, including those linked to cancer and immune responses, indicating that GPS2P2 may play a regulatory or ancillary role in these processes indirectly as a non-coding RNA or through competition with mRNA.

### Conclusion
GPS2P2 is a pseudogene associated with the functional GPS2 gene and may play indirect roles in cellular processes linked to aging and disease through regulatory mechanisms. As there is ongoing research into the roles of pseudogenes in gene regulation, further studies may provide more insights into their functions and implications in health and disease.