### Overview of DLGAP4-AS1 Gene

- **Gene Symbol**: DLGAP4-AS1
- **Function**: DLGAP4-AS1 is a long non-coding RNA (lncRNA) associated with the DLGAP family of proteins. This gene is implicated in the regulation of gene expression and may play a role in neuronal function and synaptic signaling.

### Other Associated Genes

While the primary summaries may not meticulously enumerate all associated genes, DLGAP4-AS1 can be linked to several genes, particularly those involved in synaptic activity and neuronal functions. Notably, genes from the DLGAP (DLG-associated proteins) family, such as:

- **DLGAP4 (Discs large homolog-associated protein 4)**: a protein-coding gene that is directly related to synaptic structure and function.
- Other DLGAP family members (e.g., **DLGAP1, DLGAP2, and DLGAP3**).

Additionally, some studies have highlighted associations with genes involved in neurodegenerative diseases or other neurological disorders, although specifics may vary based on individual studies.

### Aging and Age-Related Diseases

DGAP4-AS1 may be implicated in aging-related processes mainly due to its role in neuronal function. Non-coding RNAs, such as lncRNAs, have been shown to play roles in the regulation of transcription affecting cell senescence and longevity. 

- **Research Links**: Some studies have hinted at alterations in lncRNA expression, including DLGAP4-AS1, as potential biomarkers for age-related neurodegenerative conditions, including Alzheimer's disease.
- **Functional Implications**: Given its association with neuronal health, dysregulation of DLGAP4-AS1 might contribute to cognitive decline or other age-related neurological conditions, though specific pathways and mechanisms require further research.

### Drug Interactions

Due to the nature of lncRNAs, there may not be direct interactions with drugs typically discussed in pharmacology. However, drugs targeting neurodegenerative processes or neurological pathways may indirectly affect the expression or function of DLGAP4-AS1. 

- **Potential Classes**: Investigational drugs for neurodegenerative diseases (e.g., Alzheimer's treatments) might influence the expression of lncRNAs, including DLGAP4-AS1, though specific drugs requiring mention would depend on ongoing clinical studies and findings.

### Pathways and Biological Processes

DLGAP4-AS1 is involved in various cellular pathways and biological processes, notably:

1. **Neuronal Development and Function**: Its expression may be linked to the regulation of synaptic plasticity and neuron development. 
2. **Regulation of Gene Expression**: It may play a role in chromatin remodeling and transcriptional regulation by interacting with proteins involved in these processes.
3. **Synaptic Signaling**: Given its association with the DLGAP protein family, it may influence cell-cell interactions at the synapse.
4. **Signal Transduction**: Interaction with pathways involved in neural signaling and communication.

### Summary

DLGAP4-AS1 is a long non-coding RNA involved in various functions related to neuronal development and signaling, with possible implications in aging and neurodegenerative diseases. While its direct interactions with drugs are not clearly outlined, it stands as an important player in the biological processes underlying neuronal health and function. Further research might elucidate specific pathways and regulatory mechanisms in which DLGAP4-AS1 is implicated, particularly in the context of age-related conditions.