Cited by 531Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersNeuroendocrine regulation and behavior

The serotonin system in autism spectrum disorder: From biomarker to animal models

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Muller, C.L., Anacker, A.M.J., Veenstra-VanderWeele, J.·2016·Neuroscience

Abstract

Elevated whole blood serotonin, or hyperserotonemia, was the first biomarker identified in autism spectrum disorder (ASD) and is present in more than 25% of affected children. The serotonin system is a logical candidate for involvement in ASD due to its pleiotropic role across multiple brain systems both dynamically and across development. Tantalizing clues connect this peripheral biomarker with changes in brain and behavior in ASD, but the contribution of the serotonin system to ASD pathophysiology remains incompletely understood. Studies of whole blood serotonin levels in ASD and in a large founder population indicate greater heritability than for the disorder itself and suggest an association with recurrence risk. Emerging data from both neuroimaging and postmortem samples also indicate changes in the brain serotonin system in ASD. Genetic linkage and association studies of both whole blood serotonin levels and of ASD risk point to the chromosomal region containing the serotonin transporter (SERT) gene in males but not in females. In ASD families with evidence of linkage to this region, multiple rare SERT amino acid variants lead to a convergent increase in serotonin uptake in cell models. A knock-in mouse model of one of these variants, SERT Gly56Ala, recapitulates the hyperserotonemia biomarker and shows increased brain serotonin clearance, increased serotonin receptor sensitivity, and altered social, communication, and repetitive behaviors. Data from other rodent models also suggest an important role for the serotonin system in social behavior, in cognitive flexibility, and in sensory development. Recent work indicates that reciprocal interactions between serotonin and other systems, such as oxytocin, may be particularly important for social behavior. Collectively, these data point to the serotonin system as a prime candidate for treatment development in a subgroup of children defined by a robust, heritable biomarker.

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Research works printed but not linked: 4

  1. Anderson GM Feibel FC Cohen DJ 1987b Determination of serotonin in whole blood, platelet-rich plasma, platelet-poor plasma and plasma ultrafiltrate Life sciences 40 1063 1070 3821372
  2. Cook EH Jr Arora RC Anderson GM Berry-Kravis EM Yan SY Yeoh HC Sklena PJ Charak DA Leventhal BL 1993b Platelet serotonin studies in hyperserotonemic relatives of children with autistic disorder Life sciences 52 2005 2015 7684805
  3. Hanley HG Stahl SM Freedman DX 1977b Hyperserotonemia and amine metabolites in autistic and retarded children Arch Gen Psychiatry 34 521 531 860890
  4. Weiss LA Veenstra-Vanderweele J Newman DL Kim SJ Dytch H McPeek MS Cheng S Ober C Cook EH Jr Abney M 2004b Genome-wide association study identifies ITGB3 as a QTL for whole blood serotonin Eur J Hum Genet 12 949 954 15292919

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Authors
Muller, C. L., Anacker, A. M. J., & Veenstra-VanderWeele, J.
Affiliations
  • Vanderbilt University (US)
  • Columbia University (US)
  • NewYork–Presbyterian Hospital (US)
Corresponding author
Veenstra-VanderWeele, J.
Venue
Neuroscience
Publisher
Elsevier BV
Published
2016-05
Volume
321
Pages
24-41
ISSN
0306-4522 (ISSN-L)
OpenAlex
W2119744351
Cited by
531
References
236
Citations by year
2026: 54 · 2025: 44 · 2024: 55 · 2023: 60 · 2022: 50 · 2021: 63 · 2020: 59 · 2019: 48 · 2018: 45 · 2017: 33 · 2016: 18 · 2015: 1 · 2013: 1
FWCI
3.21
Type
journal article
Language
en
Open access
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (MH094604)
  • New York State Psychiatric Institute
  • Mortimer D. Sackler Chair Fund
  • Columbia University
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
autism spectrum disorder, serotonergic system, hyperserotonemia, whole blood serotonin, serotonin transporter gene, knock-in mice, heritability, recurrence risk, serotonin receptors, social behavior, oxytocin, cognitive flexibility, sensory development, ASD pathophysiology
MeSH terms
Autism Spectrum Disorder, Animals, Brain, Disease Models, Animal, Female, Humans, Genetic Linkage, Male, Mice, Mutant Strains, Serotonin, Sex Factors, Biomarkers, Serotonin Plasma Membrane Transport Proteins, Genetic Association Studies

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