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Theses and Dissertations--Medical Sciences

Theses/Dissertations

Methamphetamine

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Involvement Of The Sigma-1 Receptor In Methamphetamine-Mediated Changes To Astrocyte Structure And Function, Richik Neogi Jan 2020

Involvement Of The Sigma-1 Receptor In Methamphetamine-Mediated Changes To Astrocyte Structure And Function, Richik Neogi

Theses and Dissertations--Medical Sciences

Methamphetamine is a highly addictive psychostimulant drug. There are currently no FDA-approved pharmacological treatments for methamphetamine addiction. Pharmacologically, (+)-methamphetamine is a dopamine releasing agent and dopamine transporter substrate that redistributes dopamine from intracellular vesicles via the vesicular monoamine transporter 2 (VMAT2) and reverses the direction of dopamine transport in the dopamine transporter. Methamphetamine, cocaine, and other drugs of abuse are also sigma-1 receptor ligands, and previous studies have demonstrated the role of the sigma-1 receptor in modulating the behavioral and cellular effects of these drugs. However, almost all these studies were conducted in cell culture systems or with emphasis on …