lncRNA TUG1 mediates palmitic acid-induced neuronal lipotoxic injury via the miR-449a-5p/caspase-3 and Akt/GSK-3β axes
Findings establish a causal axis in which lncRNA TUG1 derepresses caspase-3 and suppresses Akt/GSK-3β signaling by sponging miR-449a-5p, thereby driving neuronal lipotoxic injury.