The PGLS-DT gene is a long non-coding RNA that is known for its role in the post-transcriptional regulation of gene expression. Here’s a detailed overview based on your request:

### 1. Associated Genes
While specific associations can vary based on the context of research studies, PGLS-DT may be associated with genes involved in similar biological processes or regulatory networks. Key associated genes may include:
- **PGLS (Prostaglandin D2 synthase)**: As PGLS-DT is a non-coding RNA associated with the PGLS gene, it may function to regulate or enhance the expression of this gene.
- **Other long non-coding RNAs (lncRNAs)**: Although specific lncRNAs associated directly with PGLS-DT are not commonly outlined in research literature, other lncRNAs can interact with PGLS or its regulatory pathways.

### 2. Aging or Age-Related Diseases
Research specifically linking PGLS-DT to aging or age-related diseases is sparse. However, the presence of long non-coding RNAs in gene regulation often influences a variety of biological processes, including those related to aging:
- **Cellular Senescence**: Some studies indicate that lncRNAs can modulate pathways involved in cellular aging and senescence, possibly implicating PGLS-DT in processes that affect cellular lifespans.
- **Disease States**: If PGLS-DT is involved in pathways like inflammation, fibrosis, or oxidative stress, it can indirectly implicate the gene in age-related conditions.

### 3. Drug Interactions
Currently, there is limited data on specific drugs that directly interact with the PGLS-DT gene. However, since it is associated with PGLS, the drugs that may indirectly impact the PGLS-DT gene might include:
- **Non-steroidal anti-inflammatory drugs (NSAIDs)**: These drugs can modulate pathways involving prostaglandins, which could relate to the function of PGLS.
- **Certain therapeutics targeting inflammatory pathways** might be of interest, as they could indirectly influence the expression or function of the genes involved in these processes.

### 4. Pathways and Biological Processes
PGLS-DT, given its nature as a long non-coding RNA, may play roles in various biological pathways:
- **Regulation of Gene Expression**: PGLS-DT is likely involved in the fine-tuning of gene expression at the post-transcriptional level, including mRNA stability and translation efficiency.
- **Prostaglandin Synthesis Pathway**: It may be implicated in the pathways related to prostaglandin biosynthesis, modulating responses to inflammatory signals.
- **Cellular Response to Stress**: PGLS-DT might be part of pathways that deal with oxidative stress and cellular adaptations, which are significant in both cancer biology and aging.

In summary, while the PGLS-DT gene has been associated with regulatory mechanisms that could influence various biological processes, more specific studies are necessary to elucidate direct connections to aging, drug interactions, and relevant pathways.