Lucia Tapia has published extensively on the topics of Parkinson's disease, glutamatergic synaptic plasticity, LRRK2 function, and other neurodegenerative diseases. Her publications examine the role of proteins like VPS35, LRRK2, DNAJC13, progranulin, semaphorin 5B, ErbB4, tau, and others in synaptic function and their implications for diseases. She has also studied the effects of metals like copper on cellular metabolism and survival.