The HNRNPKP2 gene (Heterogeneous Nuclear Ribonucleoprotein K Pseudogene 2) is a pseudogene related to the hnRNP K gene, which is involved in various facets of mRNA processing, including splicing, transport, and stabilization. While HNRNPKP2 does not encode a functional protein, it may play a role in gene regulation through its involvement in the transcriptional or post-transcriptional regulation of nearby protein-coding genes.

### 1. Associated Genes
While specific gene associations for HNRNPKP2 have not been extensively described, pseudogenes generally show functional relationships with their parental genes. The following are notable genes that could be associated based on their functional similarities or positional proximity:
- **HNRNPK**: The parent gene from which HNRNPKP2 is derived, involved in processes like RNA binding and regulation.
- **Other hnRNP family genes**: Various hnRNPs, which are part of the same functional family, may also show associations in terms of regulation or contributions to RNA metabolism.

### 2. Aging and Age-Related Diseases
There is limited specific information on the direct effects of HNRNPKP2 on aging or age-related diseases. However, the parent gene HNRNPK has been implicated in several cellular stress responses and may exhibit altered expression or function in conditions linked to aging. Disruptions in RNA processing and splicing mechanisms, which involve hnRNP proteins, can lead to age-related diseases, including:
- Neurodegenerative diseases (e.g., Alzheimer's disease)
- Certain cancers (through misregulation of oncogenes and tumor suppressors)

### 3. Drug Interactions
As HNRNPKP2 is a pseudogene, direct drug interactions may not be established. However, since its parent gene HNRNPK is involved in various cellular functions, as well as being a target for certain therapeutic agents, the following drug classes may have indirect associations:
- **Anticancer drugs**: Compounds that affect RNA splicing and would thereby influence the function of hnRNPs may have an indirect effect.
- **Antiviral agents**: Some studies suggest that hnRNPs can play a role in viral replication and may influence responses to antiviral drugs.

### 4. Pathways and Biological Processes
HNRNPKP2 itself is not directly involved in pathways given its pseudogene status, but it can be assumed to be involved indirectly through its relationships with the full-length HNRNPK gene. The biological processes that HNRNPK (related to HNRNPKP2) is known to participate in include:
- **mRNA processing**: Including splicing and export from the nucleus to the cytoplasm.
- **Cellular stress response**: Reacting to oxidative stress and environmental factors affecting RNA metabolism.
- **RNA binding**: hnRNPs, including HNRNPK, are known for their RNA-binding properties which play crucial roles in post-transcriptional regulation.

In summary, while there is limited direct data on HNRNPKP2 specifically, insights can be gleaned from its association with the parent gene HNRNPK, elucidating its potential implications in gene regulation mechanisms and diseases associated with dysregulation in RNA processing. Further functional studies would be necessary to clarify its specific roles and relationships to biological processes and pathways.