The gene PPP2R2B-IT1, also known as PPP2R2B antisense RNA 1 (PPP2R2B-IT1), is a non-coding RNA that plays a role in various cellular processes. The following is an expanded overview of the gene along with the requested information.

### 1. Associated Genes
While specific associations with other genes may not be listed in the summaries provided, it is common for long non-coding RNAs like PPP2R2B-IT1 to interact with various genes involved in regulatory networks. Some studies have suggested possible interactions with genes involved in cell signaling and proliferation, apoptosis, and stress response. Specific genes may include:
- **PPP2R2B**: The protein-coding gene that encodes a regulatory subunit of protein phosphatase 2A, which PPP2R2B-IT1 is related to.

### 2. Details Related to Aging or Age-Related Diseases
While detailed studies are limited, some evidence implicates non-coding RNAs, including PPP2R2B-IT1, in the regulation of processes related to aging, such as:
- **Cellular Senescence**: Non-coding RNAs may modulate pathways leading to cellular aging and senescence.
- **Age-Related Diseases**: Dysregulation of non-coding RNAs has been associated with various age-related diseases, including cancer, neurodegeneration, and cardiovascular diseases. Specific studies relating PPP2R2B-IT1 to these conditions are needed for more concrete associations.

### 3. Drug or Drug Classes Interaction
Currently, there may not be specific drugs or drug classes that directly target PPP2R2B-IT1; however, this gene's regulatory roles may influence the response to treatments for diseases where PPP2R2B-IT1 expression is altered. The gene could be involved in the mechanisms of action of certain therapies, particularly those modulating phosphatase activities or cancer therapies targeting pathways involving the PPP2R2B gene.

### 4. Pathways and Biological Processes
PPP2R2B-IT1 is known to be involved in several biological processes, including:
- **Regulation of Protein Phosphatase Activity**: As an antisense RNA to PPP2R2B, it might play a role in modulating protein phosphatase signal transduction pathways.
- **Cell Cycle Regulation**: There may be involvement in cellular growth and division processes.
- **Response to Cellular Stress**: Long non-coding RNAs often contribute to how cells respond to various stressors, including oxidative stress.

Given the nature of the research in non-coding RNAs, it must be highlighted that the exact functions, associations, therapeutic potentials, and regulatory roles of PPP2R2B-IT1 are still being explored, making it a topic of ongoing investigation in molecular biology and medicine. Further studies would be valuable for establishing more precise roles of this gene in aging and disease processes.