Cited by 225Autism Spectrum Disorder ResearchTryptophan and brain disordersGut microbiota and health

Low-grade endotoxemia in patients with severe autism

Emanuele, Enzo, Orsi, Paolo, Boso, Marianna, Broglia, Davide, Brondino, Natascia, Barale, Francesco, di Nemi, Stefania Ucelli, Politi, Pierluigi·2010·Neuroscience Letters

Abstract

The objective of this study was to examine whether levels of endotoxin and other markers of immuno-inflammatory activation are altered in adult patients with severe autism. We determined circulating serum endotoxin levels, its soluble receptor (sCD14), and markers of immuno-inflammatory activation (IL-1beta, IL-6, and IL-10) in 22 adult patients with severe autism and 28 age- and gender-matched healthy controls. Compared with healthy subjects, serum levels of endotoxin were significantly higher in autistic patients and inversely and independently correlated with Socialization scores on the Vineland Adaptive Behavior Scales (VABS) and ADI-R Domain A score (social). Whether increased endotoxin may contribute to the pathophysiology of inflammation and impaired reciprocal social interaction in autism should be further explored in future studies.

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Crossref · 10.1016/j.neulet.2010.01.033

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19 of 19 references verified0 citation errors · 0 not checkable

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  • Serum endotoxin levels are elevated in patients with severe autism, liver cirrhosis, diabetes, cardiovascular disease, chronic infection and ageing, amyotrophic lateral sclerosis and Alzheimer's disease.

    “Serum endotoxin levels are elevated in patients with severe autism [30], liver cirrhosis [11], diabetes [31], cardiovascular disease [8], chronic infection and ageing [32], amyotrophic lateral sclerosis and Alzheimer’s disease [10].”

    From The endotoxin hypothesis of neurodegeneration (2019) · cites this paper as [30]

  • Blood endotoxin levels are increased in autism.

    “Blood endotoxin levels are increased in autism [30].”

    From The endotoxin hypothesis of neurodegeneration (2019) · cites this paper as [30]

  • Excessive use of antibiotics may result in overgrowth of Desulfovibrio, bacteria resistant to common therapy, which release LPS.

    “Excessive use of antibiotics may result in the overgrowth of Desulfovibrio, i.e., bacteria resistant to common therapy, which release LPS [244].”
  • Deficient gut epithelium integrity and increased intestinal permeability are reported in ASD.

    “Deficient integrity of the gut epithelium and increased intestinal permeability are also reported (21).”
  • Levels of the proinflammatory cytokines IL-6 and TNF-α, which lead to activation of the HPA axis, have been shown to be increased in those with ASD.

    “Levels of the proinflammatory cytokines IL-6 and tumor necrosis factor-alpha (TNF-α), which lead to activation of the HPA axis (Dunn, 2006), have been shown to be increased in those with ASD (Ashwood et al., 2011; Emanuele et al., 2010; von Känel et al., 2005).”

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Authors
Emanuele, E., Orsi, P., Boso, M., Broglia, D., Brondino, N., Barale, F., di Nemi, S. U., & Politi, P.
Affiliations
University of Pavia (IT)
Corresponding author
Emanuele, Enzo
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2010-03
Volume
471
Issue
3
Pages
162-165
ISSN
0304-3940 (ISSN-L)
OpenAlex
W1974864175
Cited by
225
References
18
Citations by year
2026: 5 · 2025: 10 · 2024: 18 · 2023: 12 · 2022: 30 · 2021: 22 · 2020: 28 · 2019: 20 · 2018: 15 · 2017: 12 · 2016: 12 · 2015: 13 · 2014: 9 · 2013: 3 · 2012: 6
FWCI
3.48
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
autism spectrum disorder, endotoxemia, endotoxin, soluble CD14, IL-1β, interleukin-6, IL-10, neuroinflammation, adaptive behavior, social interaction, autistic adults
MeSH terms
Adolescent, Adult, Autistic Disorder, Endotoxins, Female, Humans, Immunity, Innate, Male, Severity of Illness Index, Social Behavior, Interleukin-6, Interleukin-10, Lipopolysaccharide Receptors, Endotoxemia, Interleukin-1beta, Young Adult

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