Influence of convergent factors (BACE1 and SCD1 desaturase) on the composition of phospholipid fatty acids in pro-inflammatory and degenerative events in an in vitro neurovascular model (neuron-astrocyte, astrocyte-endothelium),Influjo de factores convergentes (BACE1 y Desaturasa SCD1) sobre la composición de ácidos grasos de fosfolípidos en eventos pro-inflamatorios y degenerativos en un modelo in vitro neurovascular (neurona-astrocito, astrocito- endotelio)