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Childhood autism: a complex disorder.

K L Reichelt, G Saelid, T Lindback

    Biological Psychiatry
    |November 1, 1986
    PubMed
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    Researchers found increased levels of N-substituted peptides in the urine of psychotic and autistic children, suggesting potential diagnostic markers for these neurodevelopmental disorders.

    Area of Science:

    • Biochemistry
    • Neuroscience
    • Pediatrics

    Background:

    • Autism spectrum disorder and psychosis share complex etiologies.
    • Biochemical markers may aid in diagnosing neurodevelopmental disorders.

    Purpose of the Study:

    • To investigate urinary peptide profiles in children with autism and psychosis.
    • To identify potential diagnostic biomarkers for these conditions.

    Main Methods:

    • Collected 24-hour urine samples from psychotic and autistic children.
    • Used benzoic acid precipitation and G-25 column chromatography for fractionation.
    • Analyzed peptide material using P2 gel electrophoresis.

    Main Results:

    • Filtration patterns from G-25 columns showed potential diagnostic value.

    Related Experiment Videos

  • Increased levels of peptide material, particularly N-substituted peptides, were identified.
  • Bioactive factors within these peptide fractions are under investigation.

    • Conclusions:

    • Urinary N-substituted peptides may serve as diagnostic indicators for psychosis and autism.
    • Further research is needed to elucidate the role of these peptides in etiology.
    • A working hypothesis regarding the etiological role of these factors is proposed.