The intracellular domain of the epilepsy protein PCDH19 regulates spine density in cortical neurons in vivo via Xlr genes.
Sylvia Adriana Newbold, Victoria Becerra-Espinosa, Jaime Fabra-Beser, Ian W J Fox, Cristina Llinares-Benadero, Elizaveta Stebleva, Cristina Gil, Isabel Martínez‐Garay
This study shows that the intracellular domain of PCDH19 reduces spine density in cortical neurons by increasing Xlr gene expression, suggesting a role in synaptic homeostasis.
Journal of Neuroscience · Jun 16, 2026Peer-reviewedNeuroscience