The DEPDC7 gene (DEP Domain Containing 7) is a protein-coding gene that plays a role in various cellular functions and processes. Below is a detailed overview based on the aspects you've requested.

### 1. Associated Genes:
DEPDC7 has been associated with a few other genes based on functional linkage and co-expression patterns. Notably, some of these might include genes involved in signal transduction and developmental processes. These associations often arise from gene co-expression networks, though specific genes may vary depending on the context of the study. Associated genes may include:

- **RHOA**: Important in regulation of the cytoskeleton and involved in signaling pathways.
- **AKT1**: Part of the signaling pathways related to cell growth and survival.
- **MTOR**: A key regulatory component of cellular growth and metabolism.

### 2. Aging and Age-Related Diseases:
While direct studies linking DEPDC7 to aging and age-related diseases are limited, its role in intracellular signaling pathways suggests a potential impact on cellular processes important in aging. Gene expression changes related to DEPDC7 may influence cellular proliferation and metabolism, which could associate indirectly with age-related conditions such as:

- **Metabolic disorders**: Alterations in intracellular signaling can contribute to metabolic dysfunctions often seen in aging.
- **Cancer**: Aberrant signaling pathways are a hallmark of cancer development, and since DEPDC7 is involved in these pathways, it could be implicated in cancer-related processes in older individuals.
  
### 3. Drug Interactions:
Currently, there are no specific drugs or drug classes widely recognized for direct interaction with DEPDC7. However, its involvement in cellular signaling suggests potential indirect interactions with drugs that target pathways regulated by the genes mentioned above (like AKT inhibitors, MTOR inhibitors, etc.). The understanding of drug interactions could evolve as further research elucidates the specific roles of DEPDC7 in signaling cascades.

### 4. Pathways and Biological Processes:
DEPDC7 is predicted to be involved in several biological pathways, including:

- **Intracellular signal transduction**: As indicated, it plays a role in signaling pathways that control various cellular outcomes like growth, survival, and differentiation.
- **Negative regulation of apoptosis**: DEPDC7 has been suggested to be involved in pathways that prevent programmed cell death, which could contribute to both normal cellular physiology and pathological conditions.
- **Regulation of cell cycle**: Its association with signaling pathways involved in the cell cycle may implicate DEPDC7 in cell proliferation and tissue growth.

The exact biological processes can be better understood through detailed experimental studies and computational analyses that characterize the functional pathways influenced by DEPDC7.

In summary, DEPDC7 is a gene with potential roles in cellular signaling affecting various biological processes relevant to aging and disease, although further research is needed to fully elucidate its functions and interactions in greater detail.