This study presents a comparative analysis of lipid changes in mouse models of stress-induced depression, conducted by researchers at the Skoltech Vladimir Zelman Center for Neurobiology and Brain Rehabilitation in collaboration with Chongqing Medical University. By investigating the connection between major depressive disorder and metabolic dysfunction, the researchers evaluated lipid composition across the liver and blood plasma in two distinct stress-induced depression models, which included ultrasound emotional stress and chronic unpredictable stress. Their findings revealed that different types of stress lead to mechanistically distinct lipid phenotypes. Specifically, the ultrasound emotional stress model (specifically the anhedonic subgroup) closely mirrored the peripheral plasma lipid alterations observed in human patients with major depressive disorder, whereas the chronic unpredictable stress model failed to reproduce these human-specific lipid profile changes. Consequently, the study concludes that the ultrasound emotional stress anhedonic model provides a more suitable framework for studying peripheral lipid dysregulation associated with depression.