Cited by 117Mitochondrial Function and PathologyAutism Spectrum Disorder ResearchAutophagy in Disease and Therapy

Deficits in bioenergetics and impaired immune response in granulocytes from children with autism

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Napoli, Eleonora, Wong, Sarah, Hertz-Picciotto, Irva, Giulivi, Cecilia·2014·Pediatrics

Abstract

Despite the emerging role of mitochondria in immunity, a link between bioenergetics and the immune response in autism has not been explored. Mitochondrial outcomes and phorbol 12-myristate 13-acetate (PMA)–induced oxidative burst were evaluated in granulocytes from age-, race-, and gender-matched children with autism with severity scores of ≥7 (n = 10) and in typically developing (TD) children (n = 10). The oxidative phosphorylation capacity of granulocytes was 3-fold lower in children with autism than in TD children, with multiple deficits encompassing ≥1 Complexes. Higher oxidative stress in cells of children with autism was evidenced by higher rates of mitochondrial reactive oxygen species production (1.6-fold), higher mitochondrial DNA copy number per cell (1.5-fold), and increased deletions. Mitochondrial dysfunction in children with autism was accompanied by a lower (26% of TD children) oxidative burst by PMA-stimulated reduced nicotinamide-adenine dinucleotide phosphate (NADPH) oxidase and by a lower gene expression (45% of TD children's mean values) of the nuclear factor erythroid 2–related factor 2 transcription factor involved in the antioxidant response. Given that the majority of granulocytes of children with autism exhibited defects in oxidative phosphorylation, immune response, and antioxidant defense, our results support the concept that immunity and response to oxidative stress may be regulated by basic mitochondrial functions as part of an integrated metabolic network.

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Crossref · 10.1542/peds.2013-1545

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  • Several lines of evidence indicate oxidative stress and mitochondrial dysfunction are prevalent in individuals with ASD.

    “There are presently several lines of evidence indicating oxidative stress and mitochondrial dysfunction are prevalent in individuals with ASD [3,10,11,12,13,14,15,16].”

    From Vitamin D and Autism Spectrum Disorder: A Literature Review (2016) · cites this paper as [12]

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Authors
Napoli, E., Wong, S., Hertz-Picciotto, I., & Giulivi, C.
Affiliations
  • Department of Molecular Biosciences, School of Veterinary Medicine,
  • Department of Public Health Sciences, School of Medicine, and
  • University of California, Davis (US)
Venue
Pediatrics
Published
2014-05-01
Volume
133
Issue
5
Pages
e1405-e1410
ISSN
  • 0031-4005 (ISSN-L)
  • 1098-4275
OpenAlex
W2156732833
Cited by
117
References
78
Citations by year
2026: 4 · 2025: 8 · 2024: 8 · 2023: 12 · 2022: 5 · 2021: 9 · 2020: 13 · 2019: 5 · 2018: 15 · 2017: 10 · 2016: 12 · 2015: 10 · 2014: 6
FWCI
1.19
Type
journal article
Language
en
Open access
Locations
  • PEDIATRICS (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Simons Foundation (271406)
  • Simons Foundation Autism Research Initiative
  • National Institutes of Health (ES011269)
  • National Institute of Environmental Health Sciences (R01-ES011269, ES020392, R01ES020392, ES015359, R01ES015359, ES011269, P01ES011269, 271406)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
autism spectrum disorder, mitochondrial dysfunction, bioenergetics, granulocytes, oxidative phosphorylation, respiratory burst, NADPH oxidase, NF-E2-related factor 2, oxidative stress, mitochondrial DNA deletions, reactive oxygen species, children
MeSH terms
Child, Child Development Disorders, Pervasive, Energy Metabolism, Granulocytes, Humans, Oxidative Phosphorylation, Oxygen Consumption, Superoxides

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