Microglial alterations induced by psychoactive drugs: A possible mechanism in substance use disorder?

Clarissa Catale, Silvia Bussone, Luisa Lo Iacono, Valeria Carola

Research output: Contribution to journalReview article

Abstract

Recently, the xenobiotic hypothesis has implicated the immune system in targeting substances of abuse as foreign molecules and stimulating inflammatory responses. Microglial cells are the resident immune cells of the central nervous system and function in homeostatic surveillance. Microglial changes that are induced by exposure to substances of abuse appear to mediate in part the establishment of addiction and the persistence of drug-mediated biological and behavioral changes. In this context, interest in the study of drug–microglia interactions has increased recently. This review summarizes the most recent preclinical rodent and clinical studies on the interaction between microglia and various classes of drugs of abuse, such as ethanol, psychostimulants, and opioids. The principal biological mechanisms of the communication between substances of abuse and microglia will be described to consider putative mechanisms of the establishment of drug addiction and future potential targets for treating substance use disorder.

Original languageEnglish
JournalSeminars in Cell and Developmental Biology
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Psychotropic Drugs
Substance-Related Disorders
Microglia
Street Drugs
Xenobiotics
Opioid Analgesics
Immune System
Rodentia
Ethanol
Central Nervous System
Communication

Keywords

  • Addiction
  • Cocaine
  • Ethanol
  • Microglia
  • Opioids
  • Psychostimulants
  • Substance use disorder

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology

Cite this

Microglial alterations induced by psychoactive drugs : A possible mechanism in substance use disorder? / Catale, Clarissa; Bussone, Silvia; Iacono, Luisa Lo; Carola, Valeria.

In: Seminars in Cell and Developmental Biology, 01.01.2019.

Research output: Contribution to journalReview article

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abstract = "Recently, the xenobiotic hypothesis has implicated the immune system in targeting substances of abuse as foreign molecules and stimulating inflammatory responses. Microglial cells are the resident immune cells of the central nervous system and function in homeostatic surveillance. Microglial changes that are induced by exposure to substances of abuse appear to mediate in part the establishment of addiction and the persistence of drug-mediated biological and behavioral changes. In this context, interest in the study of drug–microglia interactions has increased recently. This review summarizes the most recent preclinical rodent and clinical studies on the interaction between microglia and various classes of drugs of abuse, such as ethanol, psychostimulants, and opioids. The principal biological mechanisms of the communication between substances of abuse and microglia will be described to consider putative mechanisms of the establishment of drug addiction and future potential targets for treating substance use disorder.",
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