The **CCDC180** (Coiled-Coil Domain Containing 180) gene encodes a protein that possesses a coiled-coil domain, which suggests it may play a role in protein-protein interactions and structural assembly in cells. Below are additional details related to your queries:

### 1. Associated Genes:
While specific associations can change as new research emerges, there are several genes that have been noted in studies involving CCDC180, particularly in the context of Behçet's Disease and immune response. Some related genes may include:

- **TLR4** (Toll-like receptor 4): Involved in immune response mechanisms.
- **IL23R** (Interleukin 23 receptor): Associated with autoimmune conditions and inflammatory response.
  
The association with SNPs in these gene contexts may point to common pathways involved in susceptibility to diseases but the direct functional relationships should be explored in greater depth through pathophysiological studies.

### 2. Aging and Age-Related Diseases:
Currently, there is limited information directly linking CCDC180 to aging or specific age-related diseases in the existing literature. However:

- **Inflammatory Diseases**: Given its association with Behçet's Disease, there might be implications regarding chronic inflammation, which is often seen as a contributing factor to aging and age-related disorders.
  
Future research might explore how variations in genes like CCDC180 influence responses related to autoimmune conditions across different age demographics.

### 3. Drug Interactions:
As of the last updates, no specific drugs or drug classes are directly linked to CCDC180 in major databases. However, given its possible involvement in immune responses, drugs targeting related pathways (like anti-inflammatories or immunosuppressants) might correlate indirectly, especially concerning conditions like Behçet's Disease.

### 4. Pathways and Biological Processes:
CCDC180 may be involved in several biological processes, although specific pathway associations may need further elucidation. Some possible involvements include:

- **Immune Response**: Given its association with Behçet's Disease, it's reasonable to posit a role in inflammatory response pathways.
- **Protein-Protein Interaction Networks**: The presence of a coiled-coil domain may indicate participation in structural and signaling complexes.

#### Key Biological Processes:
- **Cytoskeleton Organization**: Proteins with coiled-coil domains often play roles in maintaining cell structure.
- **Signal Transduction**: It may play a role in cascade signaling pathways especially associated with immune responses.

Overall, CCDC180 appears to hold significance in immune system functioning, with implications in inflammatory diseases, particularly Behçet's Disease. Future studies are likely to refine our understanding of its roles in aging and potential therapeutic implications.