The G2E3-AS1 gene is an antisense long non-coding RNA (lncRNA) associated with the G2E3 gene, which is involved in various cellular biological processes, including transcriptional regulation and cell cycle control. Here’s a more detailed description based on your requests:

### 1. Associated Genes
While NCBI and UniProt may not have provided a comprehensive list of associated genes, lncRNAs like G2E3-AS1 can often interact with various genes in regulatory networks. Some potential candidate genes that might be associated with G2E3-AS1, based on its function and context in gene expression regulation, include:

- **G2E3**: As the respective target gene and possibly involved in cell cycle and cancer pathways.
- **Cell cycle-related genes**: Such as CCND1 (Cyclin D1), which may relate to G2E3 function.
- **Tumor suppressor genes**: Potential links to genes involved in the development of cancers.

### 2. Aging and Age-Related Diseases
Research on lncRNAs like G2E3-AS1 is ongoing, and while specific studies detailing the role of G2E3-AS1 in aging or age-related diseases may not yet be established, lncRNAs are increasingly recognized in the context of:

- **Cellular Senescence**: Some lncRNAs are involved in the regulation of senescence, a process linked to aging.
- **Cancer**: Given the association of G2E3 with cellular proliferation, alterations in G2E3-AS1 may have implications in age-related cancers or tumorigenesis.

### 3. Drug Interactions
As of my last knowledge update in October 2023, specific drugs or drug classes that directly target G2E3-AS1 may not be well characterized, as the functions of many lncRNAs in therapeutic contexts remain largely under investigation. However, since G2E3-AS1 is involved in regulating gene expression, it may interact indirectly with drugs that affect:

- **Cell Cycle Regulation**: Drugs like CDK inhibitors (e.g., palbociclib) that target cell proliferation pathways.
- **Oncology Drugs**: Potential indirect associations with cancer therapies might arise.

### 4. Pathways and Biological Processes
G2E3-AS1 is believed to be involved in several critical cellular processes, including:

- **Cell Cycle Regulation**: It may play roles in mechanisms that govern cellular proliferation and division.
- **Transcription Regulation**: Being an lncRNA, it likely participates in regulatory networks, influencing gene expression during various cellular states.
- **Stress Response**: Like many lncRNAs, G2E3-AS1 could be implicated in cellular responses to stressors, impacting homeostasis and disease processes.

### Conclusion
G2E3-AS1, as an important lncRNA, holds potential implications in gene regulation impacting the cell cycle, proliferation, and possibly age-related processes or diseases. The detailed associations with specific drugs, biological pathways, and diseases continue to be areas of scientific investigation. Further research will clarify its precise roles and therapeutic potential. 

It is advisable to check the latest literature and databases for any new findings concerning G2E3-AS1 beyond my last updated data.