The CYP2W1 gene is a member of the cytochrome P450 superfamily, which includes enzymes crucial for various biochemical processes such as drug metabolism and synthesis of lipids. Below is a detailed description of related information about CYP2W1, including associated genes, its role in aging and disease, drug interactions, and pathways it involves.

### 1. Associated Genes:
While the CYP2W1 gene itself is not extensively characterized for direct associations with other genes, it is known to participate in metabolic pathways that might involve several other cytochrome P450 genes, such as:
- **CYP1A1, CYP1A2, CYP2A6, CYP3A4**: These are other significant cytochrome P450 enzymes involved in drug metabolism.
- **ABCB1 (MDR1)**: This gene encodes a transporter involved in drug efflux and can affect the bioavailability of substances metabolized by CYP2W1.

### 2. Age-Related Associations:
Research directly linking CYP2W1 to aging and age-related diseases is limited, but potential implications include:
- **Tumorigenesis**: The gene may contribute to cancer development through its ability to activate procarcinogens, which could be pertinent in age-related cancer progression.
- **Metabolism of Retinoids**: Given that retinoids play key roles in cellular differentiation and proliferation, alterations in retinoid metabolism in older individuals might impact processes such as tissue repair and the immune response, which are essential in aging.
- **Brain Function**: Since some retinoids are important for neurodevelopment and function, dysregulation could relate indirectly to cognitive decline in aging.

### 3. Drug and Drug Class Interactions:
CYP2W1 is not as well-characterized as many other CYP enzymes in terms of pharmacogenetics, but potential interactions include:
- **Procarcinogens**: It has been observed to metabolize compounds like aflatoxin B1 and polycyclic aromatic hydrocarbons, implicating its role in biotransformation of environmental toxins.
- **Drugs that require retinoid involvement**: Medications that affect retinoid pathways may be influenced by CYP2W1 activity, although specific drugs are not extensively detailed in literature.

### 4. Pathways and Biological Processes:
CYP2W1 is involved in various metabolic pathways:
- **Retinoid Metabolism**: Plays a significant role in the hydroxylation and metabolism of retinoids, which are essential for various biological processes including vision and embryonic development.
- **Phospholipid Metabolism**: Involvement in the metabolism of lysophospholipids suggests a role in membrane biosynthesis and remodeling.
- **Drug Metabolism Pathway**: CYP2W1 is a part of the broader cytochrome P450 catalytic cycle, facilitating oxidation and reduction reactions critical for drug metabolism.

### Summary:
The CYP2W1 gene exhibits a multifaceted role in drug metabolism, retinoid processing, and potentially impacting age-related pathways, particularly in tumorigenesis. Future research may unveil additional interactions, particularly regarding pharmacogenomic aspects, and the gene's influence in age-associated physiological changes.