PCDH8 (Protocadherin 8):PCDH8 is a gene that encodes a protein from the protocadherin family, which are cell adhesion molecules essential for forming and maintaining neural networks. It plays a key role in synaptic plasticity, important for learning and memory. Dysregulation of PCDH8 has been linked to neurodevelopmental disorders and is also being studied for its potential role in tumor suppression due to its function in cell-cell communication and nervous system signaling.