Drug Alcohol Depend 2021 Aug 20;225:108746. Epub 2021 May 20.
Department of Pharmacology, Rush University Medical Center, Chicago, IL, 60612, United States; Department of Psychiatry and Behavioral Sciences, Rush University Medical Center, Chicago, IL, 60612, United States; Center for Compulsive Behavior and Addiction, Rush University Medical Center, Chicago, IL, 60612, United States.
Introduction: Methamphetamine is a potent psychomotor stimulant, and methamphetamine abusers are up to three times more likely to develop Parkinson's disease (PD) later in life. Prodromal PD may involve gut inflammation and the accumulation of toxic proteins that are transported from the enteric nervous system to the central nervous system to mediate, in part, the degeneration of dopaminergic projections. We hypothesized that self-administration of methamphetamine in rats produces a gut and brain profile that mirrors pre-motor and early-stage PD. Read More