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Mitochondrial Therapeutics During Ischemia-Reperfusion; Modulation Of Complex I: Effect Of Metformin., Shawn Y. Sunu
Mitochondrial Therapeutics During Ischemia-Reperfusion; Modulation Of Complex I: Effect Of Metformin., Shawn Y. Sunu
Theses and Dissertations
The modulation of the electron transport during ischemia-reperfusion has been shown to be protective. We hypothesized that metformin, a Complex I inhibitor, may exhibit characteristics of a pharmacological agent that could achieve long-term therapeutic intervention against ischemia-reperfusion injury. Mitochondria were harvested from adult male mice and incubated with or without metformin at 30oC for 15 minutes, while being shaken at 300 rpm. Metformin decreased Complex I oxidative phosphorylation and Complex I activity. However, metformin also increased injury and decreased the maximum membrane potential. Even though there was a decrease in maximum membrane potential, the proton motive force (PMF) …