Journal: Molecular Neurobiology
Article Title: Inhibition of DRP1-mediated Mitochondrial Fission and NRF2/HO-1/GPX4-mediated Ferroptosis by Mdivi-1 Protects Against Vascular Cognitive Impairment
doi: 10.1007/s12035-025-05484-2
Figure Lengend Snippet: The effects of Mdivi-1 on mitochondrial ultrastructure and ATP levels. ( a ) Representative TOMM20 (green) and DHE (red) immunofluorescence staining in the hippocampus. ( b, c ) Quantitative analysis of relative fluorescence intensity. ( d ) Hippocampal neurons from sham-operated control rats had normal organelles. Apoptotic neurons with nuclear pyknosis could be seen in the VCI group. In the Mdivi-1 + ML385 co-treatment group, the cytoplasm was edematous, and mitochondria within it were swollen and exhibited damaged cristae. Representative neuronal ultrastructure deterioration: severe mitochondrial swelling, cristae disruption, and vacuolation, accompanied by swollen endoplasmic reticulum and reduced organelle number. Scale bar, 1 μm. ( e ) Statistical analysis of relative mitochondrial damage. ( f ) Statistical analysis of the relative ATP levels ( n = 4, * P < 0.05, ** P < 0.001. Nu, nucleus; Mit, mitochondrion; ER, endoplasmic reticulum)
Article Snippet: The remaining 32 rats were randomly assigned to the following four groups ( n = 8/group): Sham, VCI, Mdivi-1 (VCI + Mdivi-1 [No. HY-15886, Med Chem Express, Shanghai, China]) [ ], and Mdivi-1 + ML385 co-treatment (VCI + Mdivi-1 + ML385 [No. HY-100523, Med Chem Express, Shanghai, China]) [ ].
Techniques: Immunofluorescence, Staining, Fluorescence, Control, Disruption