Potassium Channels and Their Potential Roles in Substance Use Disorders

Substance use disorders (SUDs) are ubiquitous throughout the world. However, much remains to be done to develop pharmacotherapies that are very efficacious because the focus has been mostly on using dopaminergic agents or opioid agonists. Herein we discuss the potential of using potassium channel ac...

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Main Authors: Michael T. McCoy, Subramaniam Jayanthi, Jean Lud Cadet
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/22/3/1249
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author Michael T. McCoy
Subramaniam Jayanthi
Jean Lud Cadet
author_facet Michael T. McCoy
Subramaniam Jayanthi
Jean Lud Cadet
author_sort Michael T. McCoy
collection DOAJ
description Substance use disorders (SUDs) are ubiquitous throughout the world. However, much remains to be done to develop pharmacotherapies that are very efficacious because the focus has been mostly on using dopaminergic agents or opioid agonists. Herein we discuss the potential of using potassium channel activators in SUD treatment because evidence has accumulated to support a role of these channels in the effects of rewarding drugs. Potassium channels regulate neuronal action potential via effects on threshold, burst firing, and firing frequency. They are located in brain regions identified as important for the behavioral responses to rewarding drugs. In addition, their expression profiles are influenced by administration of rewarding substances. Genetic studies have also implicated variants in genes that encode potassium channels. Importantly, administration of potassium agonists have been shown to reduce alcohol intake and to augment the behavioral effects of opioid drugs. Potassium channel expression is also increased in animals with reduced intake of methamphetamine. Together, these results support the idea of further investing in studies that focus on elucidating the role of potassium channels as targets for therapeutic interventions against SUDs.
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spelling doaj.art-ccd2906aa06b4ba8add9e3bef849384a2023-12-03T14:54:04ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-01-01223124910.3390/ijms22031249Potassium Channels and Their Potential Roles in Substance Use DisordersMichael T. McCoy0Subramaniam Jayanthi1Jean Lud Cadet2Molecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, USAMolecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, USAMolecular Neuropsychiatry Research Branch, NIDA Intramural Research Program, Baltimore, MD 21224, USASubstance use disorders (SUDs) are ubiquitous throughout the world. However, much remains to be done to develop pharmacotherapies that are very efficacious because the focus has been mostly on using dopaminergic agents or opioid agonists. Herein we discuss the potential of using potassium channel activators in SUD treatment because evidence has accumulated to support a role of these channels in the effects of rewarding drugs. Potassium channels regulate neuronal action potential via effects on threshold, burst firing, and firing frequency. They are located in brain regions identified as important for the behavioral responses to rewarding drugs. In addition, their expression profiles are influenced by administration of rewarding substances. Genetic studies have also implicated variants in genes that encode potassium channels. Importantly, administration of potassium agonists have been shown to reduce alcohol intake and to augment the behavioral effects of opioid drugs. Potassium channel expression is also increased in animals with reduced intake of methamphetamine. Together, these results support the idea of further investing in studies that focus on elucidating the role of potassium channels as targets for therapeutic interventions against SUDs.https://www.mdpi.com/1422-0067/22/3/1249alcoholcocainemethamphetamineopioidspharmacotherapy
spellingShingle Michael T. McCoy
Subramaniam Jayanthi
Jean Lud Cadet
Potassium Channels and Their Potential Roles in Substance Use Disorders
International Journal of Molecular Sciences
alcohol
cocaine
methamphetamine
opioids
pharmacotherapy
title Potassium Channels and Their Potential Roles in Substance Use Disorders
title_full Potassium Channels and Their Potential Roles in Substance Use Disorders
title_fullStr Potassium Channels and Their Potential Roles in Substance Use Disorders
title_full_unstemmed Potassium Channels and Their Potential Roles in Substance Use Disorders
title_short Potassium Channels and Their Potential Roles in Substance Use Disorders
title_sort potassium channels and their potential roles in substance use disorders
topic alcohol
cocaine
methamphetamine
opioids
pharmacotherapy
url https://www.mdpi.com/1422-0067/22/3/1249
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