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The Relationship Between Oxytocin and Alcohol Dependence

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Current Topics in Behavioral Neurosciences

Abstract

The hypothalamic neuropeptide oxytocin (OT) is well known for its prosocial, anxiolytic, and ameliorating effects on various psychiatric conditions, including alcohol use disorder (AUD). In this chapter, we will first introduce the basic neurophysiology of the OT system and its interaction with other neuromodulatory and neurotransmitter systems in the brain. Next, we provide an overview over the current state of research examining the effects of acute and chronic alcohol exposure on the OT system as well as the effects of OT system manipulation on alcohol-related behaviors in rodents and humans. In rodent models of AUD, OT has been repeatedly shown to reduce ethanol consumption, particularly in models of acute alcohol exposure. In humans however, the results of OT administration on alcohol-related behaviors are promising but not yet conclusive. Therefore, we further discuss several physiological and methodological limitations to the effective application of OT in the clinic and how they may be mitigated by the application of synthetic OT receptor (OTR) agonists. Finally, we discuss the potential efficacy of cutting-edge pharmacology and gene therapies designed to specifically enhance endogenous OT release and thereby rescue deficient expression of OT in the brains of patients with severe forms of AUD and other incurable mental disorders.

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Abbreviations

5HTR:

5-Hydroxytryptamine (serotonin) receptor

AAV:

Adeno-associated virus

AN:

Accessory nuclei

AUD:

Alcohol use disorders

BBB:

Blood-brain barrier

BNST:

Bed nucleus of the stria terminalis

CeA:

Central amygdala

CIE:

Chronic intermittent ethanol vapor exposure

CNS:

Central nervous system

CPP:

Conditioned place preference

Cpu:

Caudate putamen

CRH:

Corticotropin-releasing hormone

CSF:

Cerebrospinal fluid

DA:

Dopamine

GABA:

Gamma-aminobutyric acid

HPA:

Hypothalamic–pituitary–adrenocortical

i.p.:

Intraperitoneal

i.v.:

Intravenous

ICV:

Intracerebroventricular

IN:

Intranasal

LS:

Lateral septum

magnOT:

Magnocellular oxytocin

MC4R:

Melanocortin receptor 4

MpoA:

Medial preoptic area

NA:

Noradrenaline

NAc:

Nucleus accumbens

OT:

Oxytocin

OTR:

Oxytocin receptor

parvOT:

Parvocellular oxytocin

PFC:

Prefrontal cortex

PP:

Posterior pituitary

PVN:

Paraventricular nucleus

s.c.:

Subcutaneous

SON:

Supraoptic nucleus

ST:

Serotonin

VMH:

Ventromedial hypothalamic nucleus

NVP:

Arginine vasopressin

VPa:

Ventral pallidum

VTA:

Ventral tegmental area

αMSH:

Alpha melanocyte-stimulating hormone

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Acknowledgments

RP was a recipient of short-term Deutscher Akademischer Austauschdienst (DAAD) postdoctoral fellowship.

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Correspondence to Valery Grinevich .

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© 2023 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Schimmer, J., Patwell, R., Küppers, S., Grinevich, V. (2023). The Relationship Between Oxytocin and Alcohol Dependence. In: Current Topics in Behavioral Neurosciences. Springer, Berlin, Heidelberg. https://doi.org/10.1007/7854_2023_444

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  • DOI: https://doi.org/10.1007/7854_2023_444

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  • Publisher Name: Springer, Berlin, Heidelberg

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