The EHMT2-AS1 gene, also known as EHMT2 antisense RNA 1, is a long non-coding RNA (lncRNA) that is believed to play a role in the regulation of gene expression, particularly in the context of chromatin modification and epigenetic regulation. 

### 1. Associated Genes:
While the summaries from NCBI and UniProt may not specify associated genes, EHMT2-AS1 is closely linked to:
- **EHMT2** (Also known as G9a): The EHMT2 gene encodes the histone methyltransferase which is involved in modifying lysine residues on histone proteins and is therefore crucial for gene regulation.
- **EHMT1**: Another key gene in the same family involved in histone methylation.
- Possibly **H3K9-methylation** pathways, which involve other genes such as SETDB1, and various histone deacetylases.

### 2. Aging and Age-Related Diseases:
There is emerging evidence that non-coding RNAs, including lncRNAs like EHMT2-AS1, may have roles in:
- **Cellular Senescence**: Alterations in the expression of lncRNAs can impact cellular aging and senescence pathways.
- **Age-Related Disorders**: Research indicates potential involvement in age-related diseases, including cancers, neurodegenerative conditions, and cardiovascular diseases, although specific studies directly linking EHMT2-AS1 to these processes are limited and require further investigation.

### 3. Drug Interactions:
As a lncRNA, EHMT2-AS1 may not have direct drug interactions like protein-coding genes. However:
- Drugs that target **EHMT2** (like small molecule inhibitors) may indirectly influence the expression and function of EHMT2-AS1. 
- Histone methyltransferase inhibitors could potentially affect the genomic pathways in which EHMT2-AS1 is involved, although specific drug classes are still under investigation.

### 4. Pathways and Biological Processes:
EHMT2-AS1 is implicated in various biological processes and pathways, including:
- **Epigenetic Regulation**: The non-coding RNA is thought to be involved in the regulation of chromatin structure, which affects gene expression.
- **Repression of Gene Transcription**: It might play a role in gene silencing via chromatin remodeling complexes.
- **Regulatory Networks**: It can be part of larger networks that include interactions with chromatin-modifying proteins.

In conclusion, EHMT2-AS1 is an important lncRNA involved in the regulation of gene expression, particularly through epigenetic mechanisms. Its associations with aging and potential contributions to age-related diseases, as well as indirect drug interactions primarily through the modulation of the associated EHMT2 gene, highlight its relevance in both basic and translational research contexts. Further studies are necessary to fully elucidate its roles and significance in health and disease.