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Background: Physical exercise has been lengthy recognized for its therapeutic effects on depressive disorders, but the underlying mechanisms stay largely unknown. In the examine, we investigated whether or not the physical exercise by voluntary wheel running (VWR) alters depression-like behaviors and its affect on mind Blood Vitals oxygen degree-dependent (Bold) indicators in mice. Ex. The differences in purposeful brain modifications were decided by Bold practical magnetic resonance imaging (fMRI). Results: The results confirmed that VWR train considerably reversed the CUMS-induced behavioral abnormalities. Base on the fMRI amplitude of low-frequency fluctuation (ALFF) analysis, we discovered that VWR train might restore the CUMS-induced extreme Bold activation in parts of limbic system, comparable to cortex, hippocampus and corpus callosum. Furthermore, CUMS-induced Bold suppressive regions have been also partially attenuated by VWR exercise, equivalent to amygdala, cerebellum anterior lobe, thalamus, midbrain, and pontine. Most of these areas are involved in temper-regulating circuit, suggesting dysfunction of the circuit in CUMS mannequin of depression, and VWR exercise might adjust the temper-regulating circuit. |
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