The oxytocin receptor gene predicts brain activity during an emotion recognition task in autism

Florina Uzefovsky; Richard A.I. Bethlehem; Simone Shamay-Tsoory; Amber Ruigrok; Rosemary Holt; Michael Spencer; Lindsay Chura; Varun Warrier; Bhismadev Chakrabarti; Ed Bullmore; John Suckling; Dorothea Floris; Simon Baron-Cohen

doi:https://doi.org/10.1186/s13229-019-0258-4

The oxytocin receptor gene predicts brain activity during an emotion recognition task in autism

Florina Uzefovsky, Richard A.I. Bethlehem, Simone Shamay-Tsoory, Amber Ruigrok, Rosemary Holt, Michael Spencer, Lindsay Chura, Varun Warrier, Bhismadev Chakrabarti, Ed Bullmore, John Suckling, Dorothea Floris, Simon Baron-Cohen

Ben-Gurion University of the Negev, University of Haifa

Research output: Contribution to journal › Article › peer-review

Abstract

Background: Autism is a highly varied and heritable neurodevelopmental condition, and common variants explain approximately 50% of the genetic variance of autism. One of the genes implicated in autism is the oxytocin receptor (OXTR). The current study combined genetic and brain imaging (fMRI) data to examine the moderating effect of genotype on the association between diagnosis and brain activity in response to a test of cognitive empathy. Methods: Participants were adolescents (mean age = 14.7 ± 1.7) who were genotyped for single nucleotide polymorphisms (SNPs) within the OXTR and underwent functional brain imaging while completing the adolescent version of the 'Reading the Mind in the Eyes' Test (Eyes Test). Results: Two (rs2254298, rs53576) of the five OXTR SNPs examined were significantly associated with brain activity during the Eyes Test, and three of the SNPs (rs2254298, rs53576, rs2268491) interacted with diagnostic status to predict brain activity. All of the effects localized to the right supramarginal gyrus (rSMG) and an overlap analysis revealed a large overlap of the effects. An exploratory analysis showed that activity within an anatomically defined rSMG and genotype can predict diagnostic status with reasonable accuracy. Conclusions: This is one of the first studies to investigate OXTR and brain function in autism. The findings suggest a neurogenetic mechanism by which OXTR-dependent activity within the rSMG is related to the aetiology of autism.

Original language	American English
Article number	12
Journal	Molecular Autism
Volume	10
Issue number	1
DOIs	https://doi.org/10.1186/s13229-019-0258-4
State	Published - 12 Mar 2019

Keywords

Autism
Imaging genetics
Oxytocin receptor
Supramarginal gyrus
fMRI

All Science Journal Classification (ASJC) codes

Psychiatry and Mental health
Molecular Biology
Developmental Neuroscience
Developmental Biology

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https://doi.org/10.1186/s13229-019-0258-4

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Uzefovsky, F., Bethlehem, R. A. I., Shamay-Tsoory, S., Ruigrok, A., Holt, R., Spencer, M., Chura, L., Warrier, V., Chakrabarti, B., Bullmore, E., Suckling, J., Floris, D., & Baron-Cohen, S. (2019). The oxytocin receptor gene predicts brain activity during an emotion recognition task in autism. Molecular Autism, 10(1), Article 12. https://doi.org/10.1186/s13229-019-0258-4

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abstract = "Background: Autism is a highly varied and heritable neurodevelopmental condition, and common variants explain approximately 50% of the genetic variance of autism. One of the genes implicated in autism is the oxytocin receptor (OXTR). The current study combined genetic and brain imaging (fMRI) data to examine the moderating effect of genotype on the association between diagnosis and brain activity in response to a test of cognitive empathy. Methods: Participants were adolescents (mean age = 14.7 ± 1.7) who were genotyped for single nucleotide polymorphisms (SNPs) within the OXTR and underwent functional brain imaging while completing the adolescent version of the 'Reading the Mind in the Eyes' Test (Eyes Test). Results: Two (rs2254298, rs53576) of the five OXTR SNPs examined were significantly associated with brain activity during the Eyes Test, and three of the SNPs (rs2254298, rs53576, rs2268491) interacted with diagnostic status to predict brain activity. All of the effects localized to the right supramarginal gyrus (rSMG) and an overlap analysis revealed a large overlap of the effects. An exploratory analysis showed that activity within an anatomically defined rSMG and genotype can predict diagnostic status with reasonable accuracy. Conclusions: This is one of the first studies to investigate OXTR and brain function in autism. The findings suggest a neurogenetic mechanism by which OXTR-dependent activity within the rSMG is related to the aetiology of autism.",

keywords = "Autism, Imaging genetics, Oxytocin receptor, Supramarginal gyrus, fMRI",

author = "Florina Uzefovsky and Bethlehem, {Richard A.I.} and Simone Shamay-Tsoory and Amber Ruigrok and Rosemary Holt and Michael Spencer and Lindsay Chura and Varun Warrier and Bhismadev Chakrabarti and Ed Bullmore and John Suckling and Dorothea Floris and Simon Baron-Cohen",

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AU - Bethlehem, Richard A.I.

AU - Shamay-Tsoory, Simone

AU - Ruigrok, Amber

AU - Holt, Rosemary

AU - Spencer, Michael

AU - Chura, Lindsay

AU - Warrier, Varun

AU - Chakrabarti, Bhismadev

AU - Bullmore, Ed

AU - Suckling, John

AU - Floris, Dorothea

AU - Baron-Cohen, Simon

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N2 - Background: Autism is a highly varied and heritable neurodevelopmental condition, and common variants explain approximately 50% of the genetic variance of autism. One of the genes implicated in autism is the oxytocin receptor (OXTR). The current study combined genetic and brain imaging (fMRI) data to examine the moderating effect of genotype on the association between diagnosis and brain activity in response to a test of cognitive empathy. Methods: Participants were adolescents (mean age = 14.7 ± 1.7) who were genotyped for single nucleotide polymorphisms (SNPs) within the OXTR and underwent functional brain imaging while completing the adolescent version of the 'Reading the Mind in the Eyes' Test (Eyes Test). Results: Two (rs2254298, rs53576) of the five OXTR SNPs examined were significantly associated with brain activity during the Eyes Test, and three of the SNPs (rs2254298, rs53576, rs2268491) interacted with diagnostic status to predict brain activity. All of the effects localized to the right supramarginal gyrus (rSMG) and an overlap analysis revealed a large overlap of the effects. An exploratory analysis showed that activity within an anatomically defined rSMG and genotype can predict diagnostic status with reasonable accuracy. Conclusions: This is one of the first studies to investigate OXTR and brain function in autism. The findings suggest a neurogenetic mechanism by which OXTR-dependent activity within the rSMG is related to the aetiology of autism.

AB - Background: Autism is a highly varied and heritable neurodevelopmental condition, and common variants explain approximately 50% of the genetic variance of autism. One of the genes implicated in autism is the oxytocin receptor (OXTR). The current study combined genetic and brain imaging (fMRI) data to examine the moderating effect of genotype on the association between diagnosis and brain activity in response to a test of cognitive empathy. Methods: Participants were adolescents (mean age = 14.7 ± 1.7) who were genotyped for single nucleotide polymorphisms (SNPs) within the OXTR and underwent functional brain imaging while completing the adolescent version of the 'Reading the Mind in the Eyes' Test (Eyes Test). Results: Two (rs2254298, rs53576) of the five OXTR SNPs examined were significantly associated with brain activity during the Eyes Test, and three of the SNPs (rs2254298, rs53576, rs2268491) interacted with diagnostic status to predict brain activity. All of the effects localized to the right supramarginal gyrus (rSMG) and an overlap analysis revealed a large overlap of the effects. An exploratory analysis showed that activity within an anatomically defined rSMG and genotype can predict diagnostic status with reasonable accuracy. Conclusions: This is one of the first studies to investigate OXTR and brain function in autism. The findings suggest a neurogenetic mechanism by which OXTR-dependent activity within the rSMG is related to the aetiology of autism.

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KW - Imaging genetics

KW - Oxytocin receptor

KW - Supramarginal gyrus

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ER -

The oxytocin receptor gene predicts brain activity during an emotion recognition task in autism

Abstract

Keywords

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