The pathogenesis of Alzheimer's disease (AD) is well documented to involve mitochondrial dysfunction which causes subsequent oxidative stress and energy metabolic failure in hippocampus. Methylene blue (MB) has been implicated to be neuroprotective in a variety of neurodegenerative diseases by restoring mitochondrial function. The present work was to examine if MB was able to improve streptozotocin (STZ)-induced Alzheimer's type dementia in a rat model by attenuating mitochondrial dysfunction-derived oxidative stress and ATP synthesis decline.
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