PALM (paralemmin) is a membrane-associated protein that regulates plasma membrane dynamics and neuronal morphogenesis. The protein functions through palmitoylation-dependent mechanisms to promote filopodium assembly and dendritic spine maturation, with both PALM isoforms 1 and 2 contributing to these processes. At the molecular level, PALM localizes to the plasma membrane, filopodial membranes, and synaptic compartments, where it facilitates cell process formation and synapse maturation. The protein also participates in G protein-coupled receptor signaling pathways, including dopamine receptor signaling modulation. PALM's role in filopodial dynamics and dendritic spine development suggests relevance to synaptic plasticity and neuronal connectivity. While the provided literature does not contain direct experimental studies of PALM function or disease associations, the protein's involvement in fundamental neurodevelopmental processes—particularly axonal and dendritic morphogenesis—implies potential significance in neurodevelopmental disorders and synaptopathies. The palmitoylation-dependent mechanism indicates that dysregulation of post-translational lipid modification could impair PALM's biological activity. Further investigation is needed to establish specific disease relevance and potential clinical applications of PALM modulation in neurological conditions.