Can Drug Screening Lead to Candidate Therapies for Testing in Diabetic Neuropathy?

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Abstract
A key mechanism of dorsal root ganglia (DRG) neuron injury in high glucose is mitochondrial overload leading to oxidative stress. We screened selected compounds for the ability to prevent hyperglycemia-induced mitochondrial superoxide in primary sensory DRG neurons. Twenty five out of 1,040 compounds decreased both mitochondrial superoxide and subsequent neuronal injury. These data both validate our screening strategy and indicate further mechanistic evaluation of drug hits and related compounds. Such studies may lead to the design of rational therapeutic approaches for this severe complication of diabetes