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Cited by 107Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersNeurotransmitter Receptor Influence on Behavior

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Increased serotonin axons (immunoreactive to 5-HT transporter) in postmortem brains from young autism donors

Azmitia, Efrain C., Singh, Jorawer S., Whitaker-Azmitia, Patricia M.·2011·Neuropharmacology
DOI 10.1016/j.neuropharm.2011.02.002
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Abstract

Imaging studies of serotonin transporter binding or tryptophan retention in autistic patients suggest that the brain serotonin system is decreased. However, treatment with drugs which increase serotonin (5-HT) levels, specific serotonin reuptake inhibitors (SSRIs), commonly produce a worsening of the symptoms. In this study we examined 5-HT axons that were immunoreactive to a serotonin transporter (5-HTT) antibody in a number of postmortem brains from autistic patients and controls with no known diagnosis who ranged in age from 2 to 29 years. Fine, highly branched, and thick straight fibers were found in forebrain pathways (e.g. medial forebrain bundle, stria terminalis and ansa lenticularis). Many immunoreactive varicose fine fibers were seen in target areas (e.g. globus pallidus, amygdala and temporal cortex). Morphometric analysis of the stained axons at all ages studied indicated that the number of serotonin axons was increased in both pathways and terminal regions in cortex from autism donors. Our findings provide morphological evidence to warrant caution when using serotonin enhancing drugs (e.g. SSRIs and receptor agonist) to treat autistic children. This article is part of a Special Issue entitled 'Trends in neuropharmacology: in memory of Erminio Costa'.

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Metadata

Authors
Azmitia, E. C., Singh, J. S., & Whitaker-Azmitia, P. M.
Affiliations
New York University (US)
Corresponding author
Azmitia, Efrain C.
ORCID
Azmitia, Efrain C.
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2011-06
Volume
60
Issue
7-8
Pages
1347-1354
ISSN
0028-3908 (ISSN-L)
DOI
10.1016/j.neuropharm.2011.02.002
OpenAlex
W1999133104
Cited by
107
References
53
Citations by year
2025: 6 · 2024: 4 · 2023: 3 · 2022: 4 · 2021: 5 · 2020: 10 · 2019: 6 · 2018: 8 · 2017: 6 · 2016: 8 · 2015: 8 · 2014: 11 · 2013: 13 · 2012: 9
FWCI
6.15
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
autism spectrum disorder, serotonin, serotonin transporter, serotonergic system, serotonin reuptake inhibitors, SSRI adverse effects, autism pharmacotherapy, postmortem brain, axon morphology, medial forebrain bundle, stria terminalis, ansa lenticularis, globus pallidus, amygdala, temporal cortex
MeSH terms
Adolescent, Adult, Autistic Disorder, Autopsy, Axons, Brain, Child, Child, Preschool, Female, Globus Pallidus, Humans, Male, Medial Forebrain Bundle, Nerve Fibers, Serotonin, Temporal Lobe, Prosencephalon, Subthalamus, Serotonin Plasma Membrane Transport Proteins, Young Adult

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