Abstract
Autism Spectrum Disorders (ASD) are characterized by dysfunction in three core symptom domains: social impairments, communication impairments, and repetitive behaviours with restricted interests. Oxytocin (OXT) and the structurally similar peptide arginine vasopressin (AVP), may play a role in the etiology of these disorders, especially in the social difficulties domain. Oxytocin is involved in milk let-down and uterine contractions at a peripheral level, while in the brain it predominantly has a neuromodulatory function on affiliative and social behavior. Abnormalities of OXT in ASD are herein reviewed, using blood studies, neuroimaging, and translational research. Genetic abnormalities in OXT have also been consistently reported in ASD. Clinical trials with OXT are currently aimed at reducing social impairments and repetitive behaviours. Finally, the current limitations and prospects for the future of OXT treatment in ASD are discussed.
Keywords: Autism spectrum disorders, social behaviour, oxytocin, arginine vasopressin, translational research, therapeutics, prohormone, endogenous, Vineland Adaptive Behavior Scales, ADP-ribosyl, cyclase activity, neuroimaging, neuromodulatory, arginine vasopressin (AVP), uterine
Current Psychopharmacology
Title: The Role of Oxytocin in Autism Spectrum Disorders
Volume: 1
Author(s): Roberto Canitano and Valeria Scandurra
Affiliation:
Keywords: Autism spectrum disorders, social behaviour, oxytocin, arginine vasopressin, translational research, therapeutics, prohormone, endogenous, Vineland Adaptive Behavior Scales, ADP-ribosyl, cyclase activity, neuroimaging, neuromodulatory, arginine vasopressin (AVP), uterine
Abstract: Autism Spectrum Disorders (ASD) are characterized by dysfunction in three core symptom domains: social impairments, communication impairments, and repetitive behaviours with restricted interests. Oxytocin (OXT) and the structurally similar peptide arginine vasopressin (AVP), may play a role in the etiology of these disorders, especially in the social difficulties domain. Oxytocin is involved in milk let-down and uterine contractions at a peripheral level, while in the brain it predominantly has a neuromodulatory function on affiliative and social behavior. Abnormalities of OXT in ASD are herein reviewed, using blood studies, neuroimaging, and translational research. Genetic abnormalities in OXT have also been consistently reported in ASD. Clinical trials with OXT are currently aimed at reducing social impairments and repetitive behaviours. Finally, the current limitations and prospects for the future of OXT treatment in ASD are discussed.
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Cite this article as:
Canitano Roberto and Scandurra Valeria, The Role of Oxytocin in Autism Spectrum Disorders, Current Psychopharmacology 2012; 1 (2) . https://dx.doi.org/10.2174/2211556011201020178
DOI https://dx.doi.org/10.2174/2211556011201020178 |
Print ISSN 2211-5560 |
Publisher Name Bentham Science Publisher |
Online ISSN 2211-5579 |
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