### TLCD3A Gene Overview

**Gene Symbol:** TLCD3A  
**Description:** TLCD3A encodes a membrane-associated protein implicated in lung carcinogenesis. It is possibly involved in amino acid transport and glutathione metabolism through interactions with solute carrier family members and gamma-glutamyltranspeptidase-like proteins. Variants of this gene exhibit opposing roles in lung cancer cell growth.

### Additional Gene Associations
- **SLC3A2:** Known as a solute carrier, it has been identified to interact with TLCD3A, suggesting a role in amino acid transport.
- **GGT5 (gamma-glutamyltranspeptidase-like 3):** Another interacting partner involved in glutathione metabolism.

### Aging and Age-Related Diseases
Currently, specific studies linking TLCD3A directly to aging or age-related diseases are limited. However, given its role in lung carcinogenesis, alterations in the expression or function of TLCD3A could be significant in age-related susceptibility to cancer, particularly lung cancer. The interaction with glutathione metabolism also implicates a potential role in oxidative stress, which is a contributor to aging and age-related pathophysiology.

### Drugs and Drug Classes
As of the latest data, specific drugs or drug classes that directly interact with TLCD3A have not been thoroughly established in public databases. However, given its role in lung cancer, targeted therapies against pathways involved in lung carcinogenesis may indirectly influence TLCD3A activity or expression. Research into therapeutic agents that modify amino acid transport or glutathione levels could be relevant considering TLCD3A's functionality.

### Pathways and Biological Processes
TLCD3A is primarily involved in:
- **Amino Acid Transport:** Facilitating the uptake and movement of amino acids across cell membranes, which is crucial for various metabolic processes.
- **Glutathione Metabolism:** Involved in detoxification processes, antioxidant defense, and cellular signaling related to oxidative stress.
- **Cancer Pathways:** Implicated in signaling pathways that promote tumor growth and progression, particularly in the context of lung cancer.

By engaging with these processes, TLCD3A may play a multifaceted role in not only cellular metabolism and homeostasis but also in cancer development and progression. Further research may elucidate its roles in other processes, including metabolism and responses to oxidative stress, particularly with respect to aging.