The ACOXL gene (acyl-CoA oxidase-like) plays a crucial role in lipid metabolism, specifically in the β-oxidation of fatty acids within peroxisomes. Below are detailed answers to your requests concerning ACOXL:

1. **Associated Genes**: 
   - While specific associations for ACOXL may not be comprehensively detailed beyond what is provided, other genes involved in similar pathways of fatty acid metabolism include **ACOX1**, which codes for acyl-CoA oxidase 1, and **ACOX3** (acyl-CoA oxidase 3). Other genes related to lipid metabolism may include **FAT/CD36** and **FABP** (fatty acid-binding proteins).

2. **Aging and Age-related Diseases**: 
   - There is an emerging body of evidence linking peroxisomal function, lipid metabolism, and aging. Dysregulation in fatty acid β-oxidation and impaired peroxisomal function has been associated with metabolic disorders and age-related diseases, including obesity, cardiovascular diseases, and neurodegenerative disorders (such as Alzheimer’s disease). ACOXL may play a role in maintaining lipid homeostasis, which is vital for cellular health as organisms age.

3. **Drug Interactions**: 
   - There are currently no specific drugs directly targeting ACOXL mentioned in the literature. However, drugs influencing fatty acid metabolism or peroxisomal function, such as **fibrates**, used to lower lipid levels, may indirectly affect the activity of this gene. Given the general role of ACOXL in fatty acid β-oxidation, drugs that modulate lipid metabolism could potentially interact with ACOXL activity.

4. **Pathways and Biological Processes**: 
   - ACOXL is involved in the following pathways:
     - **Fatty Acid β-oxidation**: It acts as an enzyme facilitating the breakdown of long-chain fatty acids.
     - **Lipid Metabolism**: Involved in overall lipid breakdown and energy production from fatty acids.
     - **Peroxisome Biogenesis and Function**: It plays a role in peroxisome efficiency, impacting various processes including reactive oxygen species metabolism.
   - Biological processes that ACOXL is predicted to be involved in include:
     - Lipid catabolic processes
     - Fatty acid metabolic process
     - Oxidation-reduction processes, given its role with flavin adenine dinucleotide (FAD) as a cofactor.

Overall, the ACOXL gene is significant for its function in metabolic pathways related to fatty acids, and alterations in its expression or activity could have implications for both healthy aging and age-related pathology. Further research is encouraged to elucidate its full range of interactions and roles.