Social threat exposure in juvenile mice promotes cocaine-seeking by altering blood clotting and brain vasculature

Luisa Lo Iacono, Alessandro Valzania, Federica Visco-Comandini, Eleonora Aricò, Maria Teresa Viscomi, Luciano Castiello, Diego Oddi, Francesca R. D'Amato, Elisa Bisicchia, Olga Ermakova, Stefano Puglisi-Allegra, Valeria Carola

Research output: Contribution to journalArticle

Abstract

Childhood maltreatment is associated with increased severity of substance use disorder and frequent relapse to drug use following abstinence. However, the molecular and neurobiological substrates that are engaged during early traumatic events and mediate the greater risk of relapse are poorly understood and knowledge of risk factors is to date extremely limited. In this study, we modeled childhood maltreatment by exposing juvenile mice to a threatening social experience (social stressed, S-S). We showed that S-S experience influenced the propensity to reinstate cocaine-seeking after periods of withdrawal in adulthood. By exploring global gene expression in blood leukocytes we found that this behavioral phenotype was associated with greater blood coagulation. In parallel, impairments in brain microvasculature were observed in S-S mice. Furthermore, treatment with an anticoagulant agent during withdrawal abolished the susceptibility to reinstate cocaine-seeking in S-S mice. These findings provide novel insights into a possible molecular mechanism by which childhood maltreatment heightens the risk for relapse in cocaine-dependent individuals.

Original languageEnglish
JournalAddiction Biology
DOIs
Publication statusAccepted/In press - 2016

Fingerprint

Blood Coagulation
Cocaine
Recurrence
Brain
Microvessels
Anticoagulants
Substance-Related Disorders
Leukocytes
Phenotype
Gene Expression
Pharmaceutical Preparations

Keywords

  • Acetylsalicylic acid
  • Blood coagulation
  • Brain vasculature
  • Childhood maltreatment
  • Cocaine
  • Relapse risk factors
  • VWF

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Psychiatry and Mental health
  • Pharmacology

Cite this

Lo Iacono, L., Valzania, A., Visco-Comandini, F., Aricò, E., Viscomi, M. T., Castiello, L., ... Carola, V. (Accepted/In press). Social threat exposure in juvenile mice promotes cocaine-seeking by altering blood clotting and brain vasculature. Addiction Biology. https://doi.org/10.1111/adb.12373

Social threat exposure in juvenile mice promotes cocaine-seeking by altering blood clotting and brain vasculature. / Lo Iacono, Luisa; Valzania, Alessandro; Visco-Comandini, Federica; Aricò, Eleonora; Viscomi, Maria Teresa; Castiello, Luciano; Oddi, Diego; D'Amato, Francesca R.; Bisicchia, Elisa; Ermakova, Olga; Puglisi-Allegra, Stefano; Carola, Valeria.

In: Addiction Biology, 2016.

Research output: Contribution to journalArticle

Lo Iacono, L, Valzania, A, Visco-Comandini, F, Aricò, E, Viscomi, MT, Castiello, L, Oddi, D, D'Amato, FR, Bisicchia, E, Ermakova, O, Puglisi-Allegra, S & Carola, V 2016, 'Social threat exposure in juvenile mice promotes cocaine-seeking by altering blood clotting and brain vasculature', Addiction Biology. https://doi.org/10.1111/adb.12373
Lo Iacono, Luisa ; Valzania, Alessandro ; Visco-Comandini, Federica ; Aricò, Eleonora ; Viscomi, Maria Teresa ; Castiello, Luciano ; Oddi, Diego ; D'Amato, Francesca R. ; Bisicchia, Elisa ; Ermakova, Olga ; Puglisi-Allegra, Stefano ; Carola, Valeria. / Social threat exposure in juvenile mice promotes cocaine-seeking by altering blood clotting and brain vasculature. In: Addiction Biology. 2016.
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