The CCDC73 gene (coiled-coil domain containing 73) is a relatively less characterized gene, and while it may not have extensive associated literature, I can provide a more detailed overview based on current knowledge up to October 2023.

### 1. Associated Genes
The CCDC73 gene has been reported to have associations with various genes involved in cellular processes, but the exact list can vary based on the biological context or specific studies. Some genes of interest that have been noted in the context of research surrounding CCDC73 include:

- **CCDC6**: Related through structural and functional studies, especially in the context of gene fusions and gene expression related to cancer.
- **TP53**: P53 signaling may involve interactions with CCDC73, especially regarding responses to stress and DNA damage.
- **SOX4**: Janus kinase (JAK) signaling pathways may relate to CCDC73, potentially influencing differentiation and development markers.

### 2. Details Related to Aging or Age-Related Diseases
Although direct connections between CCDC73 and aging or age-related diseases have not been extensively characterized, several studies have suggested that alterations in coiled-coil domain proteins may play roles in cellular processes like stress response, differentiation, and organelle function, which could have implications for aging. Specifically, coiled-coil proteins are often implicated in processes such as:

- **Regulation of cellular senescence**: While specific data on CCDC73 is limited, coiled-coil proteins are generally involved in signaling pathways that can affect cellular aging.
- **Cancer**: As some studies involve genomic alterations in cancers that could involve CCDC73 indirectly affecting aging pathways. 

### 3. Drug or Drug Classes Interaction
As of now, there are no specific drugs or drug classes that are well-documented to directly target or interact with CCDC73. Its possible involvement in disease mechanisms such as cancer may suggest indirect interactions through pathways modulated by certain therapies, but more research would be needed to establish definitive connections. 

### 4. Pathways and Biological Processes
CCDC73 may participate in various biological functions and pathways, including:

- **Cell Cycle Regulation**: Potential involvement in cell cycle progression due to its associations with other genes signaling pathways.
- **Cellular Assembly**: Involvement in the formation of protein complexes and cellular structures, typical for coiled-coil domain proteins.
- **Signal Transduction**: As a part of coiled-coil domain containing proteins, there may be associations with mediating cellular responses to external signals.

The potential alignment of CCDC73 in these pathways highlights its relevance in basic biological processes, although specific involvement can differ based on nuanced cellular contexts and developmental stages.

### Conclusion
While the CCDC73 gene is still not as extensively researched as other genes, ongoing associations with coiled-coil domain functions, molecular pathways involving aging and disease processes, and interactions with other genes suggest its potential biological relevance. Further studies will be necessary to elucidate its specific roles and implications fully.