Reverse electron transport (RET) at mitochondrial complex I generates reactive oxygen species (ROS) and reduces NAD+/NADH ratio. Inhibition of RET genetically or pharmacologically extends animal lifespan and ameliorates Alzheimer's disease‐related phenotypes.

CPT acts as an RET inhibitor by binding to complex I (C‐I) 30 kD subunit (C‐I30 or NDUFS3) and altering its interaction with other proteins in the soluble matrix arm of C‐I involved in electron transfer.

CPT was obtained from Cerepeut Inc. under a Materials Transfer Agreement between Cerepeut Inc. and Stanford University. The compound was synthesized for Cerepeut Inc. by the Chemistry Branch of Medicilon.

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