### VN1R4 Gene Overview

**Gene Symbol**: VN1R4  
**Function**: The VN1R4 gene encodes a putative pheromone receptor that is predicted to enable pheromone receptor activity and is involved in G protein-coupled receptor (GPCR) signaling pathways. It is localized in the plasma membrane and acts as an integral component of the membrane.

### 1. Associated Genes
VN1R4 may be associated with other genes within the vomeronasal receptor gene family, which includes several other VN receptor genes (e.g., VN1R1, VN1R2, VN1R3). While specific associations outside this family may not be highlighted in the available literature, it is well-documented that many genes involved in the olfactory and pheromone signaling pathways can be interrelated.

### 2. Aging and Age-Related Diseases
Currently, there is limited data specifically linking VN1R4 to aging or age-related diseases. However, genes involved in the olfactory system, including pheromone receptors like VN1R4, may have indirect implications for neurodegenerative diseases, given the importance of olfactory function in maintaining quality of life during aging. Changes in olfactory receptor gene expression have been implicated in various conditions such as Alzheimer's disease, but specific associations with VN1R4 have not been prominently documented.

### 3. Drug Interactions
As of the latest information available, there are no specific drugs or drug classes conclusively reported to interact with the VN1R4 gene or its encoded protein. However, given the role of GPCRs in many signaling pathways, it is possible that compounds influencing pheromone detection or G protein signaling could indirectly affect VN1R4 functions.

### 4. Pathways and Biological Processes
VN1R4 is involved in several biological processes, including:

- **G Protein-Coupled Receptor Signaling Pathway**: VN1R4 is a member of a large family of GPCRs, which translates extracellular signals into cellular responses.
- **Response to Pheromone**: This gene plays a direct role in detecting pheromones, which are chemical signals that can influence behavior and physiological processes in many species.
- **Sensory Perception of Chemical Stimulus**: VN1R4 is implicated in the broader sensory system, particularly related to the detection of airborne or fluid-phase chemical signals.

### Summary
VN1R4 is a member of the vomeronasal (VN) receptor family, predominantly involved in pheromone detection through its role as a G protein-coupled receptor. While research is still emerging regarding its connections to aging and drug interactions, VN1R4 is crucial for biological processes involving sensory perception and the intricate signaling pathways associated with pheromone communication. Further research could provide insights into its functions and potential clinical relevance.