### FAM120C Gene Overview

The FAM120C gene, or Family With Sequence Similarity 120C, is a gene that encodes a potential transmembrane protein. It is situated in a genomic region associated with various neurodevelopmental disorders, including intellectual disability and autism spectrum disorders. The gene demonstrates alternative splicing, leading to the generation of multiple transcript variants. FAM120C is expressed at low levels across several tissues, though precise expression levels can vary significantly.

### 1. Associated Genes
FAM120C has been implicated in genetic networks associated with neurodevelopmental disorders. Although specific genes directly associated with FAM120C are not highlighted in the provided summaries, studies or indirect associations may involve:

- **FAM120A**: Also a member of the FAM120 gene family and may share functional similarities.
- **FAM120B**: Another related family member could be involved in similar pathways.
- **KCNH2**: Gene mutations here have been studied in context with autism; interactions with ascribed pathways may implicate FAM120C.

### 2. Aging and Age-Related Diseases
As of now, there are no direct and well-established associations between FAM120C and aging or prevalent age-related diseases in the scientific literature. However, since this gene is implicated in neurodevelopmental disorders, further research may shed light on its role in age-related cognitive decline or other neurodegenerative conditions. Dysregulation of genes involved in neurodevelopment can sometimes correlate with conditions observed in aging, such as dementia or Alzheimer's disease; ongoing studies may reveal more.

### 3. Drug Interactions
Currently, there is limited data on specific drugs or drug classes that directly interact with FAM120C. However, due to its role in neurodevelopmental processes, it may be subject to the influence of drugs used to treat related disorders, such as:

- **Antipsychotics**: Commonly used in the management of autism spectrum disorder.
- **Selective serotonin reuptake inhibitors (SSRIs)**: Sometimes used for treating anxiety and depression, particularly in the context of neurodevelopmental conditions.

It is important to perform functional studies to establish detailed interactions.

### 4. Pathways and Biological Processes
FAM120C is presumed to play a role in various biological processes including:

- **Cell Signaling**: Given its potential role as a transmembrane protein, FAM120C may be involved in cell communication and signaling pathways.
- **Neurodevelopment**: Associations with intellectual disability and autism imply participation in neuronal differentiation and synaptic development.
- **Response to Stress**: As with many genes related to neurodevelopment, this gene may also participate in neuronal adaptations and stress responses.

Overall, while many aspects of FAM120C remain to be elucidated through ongoing research, its link to neurodevelopmental disorders underscores its potential significance in both genetic and clinical genomics contexts.