The gene SRP14P4 is a pseudogene located on human chromosome 14. Pseudogenes are sequences that resemble functional genes but are typically non-functional due to mutations or lack of coding potential. The SRP14P4 pseudogene is part of the signal recognition particle (SRP) family, which plays a role in targeting proteins to their proper cellular compartments.

### Additional Information:

1. **Associated Genes:**
   While specific published literature linking SRP14P4 with particular genes may be limited, it is important to explore its close relatives among other SRP-related genes for potential associations. Genes like **SRP14** (the functional paralog) and other members of the SRP complex may share regulatory pathways or physiological contexts with SRP14P4. 

2. **Aging or Age-Related Diseases:**
   Information directly linking SRP14P4 with aging or age-related diseases is limited due to its classification as a pseudogene. However, the functional SRP components generally play crucial roles in cellular processes like protein synthesis and cellular stress responses, which are known to be impacted during aging and are relevant in age-related diseases. Impaired protein translocation can lead to accumulation of misfolded proteins, a hallmark of age-related conditions such as Alzheimer’s disease.

3. **Drug Interactions:**
   As a pseudogene, SRP14P4 itself is not directly associated with specific drug targets. However, pharmacological agents that affect the function of the SRP pathway may indirectly influence pathways involving SRP14P4. For instance, drugs that modulate protein synthesis or cellular stress responses could have downstream effects involving SRP components.

4. **Pathways and Biological Processes:**
   - **Protein Targeting:** The functional SRP complex, including proteins like SRP14, is involved in the targeting of nascent peptides to the endoplasmic reticulum (ER) during protein synthesis.
   - **Nuclear Transcription:** Some studies have indicated that pseudogenes can have regulatory functions in gene expression, possibly affecting transcriptional dynamics.
   - **Cellular Stress Response:** Since SRP components play a role in maintaining cellular homeostasis, disturbances in these pathways may impact how cells respond to stress, although direct roles of SRP14P4 in those pathways remain to be elucidated.

### Conclusion
The SRP14P4 gene is primarily characterized as a pseudogene with potential regulatory implications in the protein targeting systems and stress response mechanisms. Its role in aging and age-related diseases, along with direct drug interactions, is not well-established but could be inferred through its relationship to the SRP family and broader cellular processes. Further research might elucidate any functional roles it could potentially play.