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The minicolumnopathy of autism: A link between migraine and gastrointestinal symptoms

Manuel F Casanova1

  • 1Department of Psychiatry and Behavioral Sciences, 500 South Preston Street, Building 55A, Room #217, Louisville, KY 40292, United States. M0CASA02@louisville.edu

Medical Hypotheses
|June 19, 2007
PubMed

Insights

Abdominal migraines may explain gastrointestinal issues in autism, offering a new research direction. This hypothesis links autism and migraine through shared neurological and clinical features, suggesting potential therapeutic avenues.

Area of Science:

  • Neurology
  • Gastroenterology
  • Autism Spectrum Disorder Research

Background:

  • Gastrointestinal (GI) symptoms are prevalent in individuals with autism spectrum disorder (ASD).
  • Previous theories involving leaky gut or viral infections lack conclusive evidence.
  • Abdominal migraine is proposed as an alternative etiological factor for GI disturbances in ASD.

Purpose of the Study:

  • To investigate abdominal migraine as a potential cause of GI symptoms in autism.
  • To explore shared pathophysiological mechanisms between autism and migraine.
  • To establish abdominal migraine as a falsifiable hypothesis for ASD-related GI issues.

Main Methods:

  • Review of postmortem studies in autism revealing minicolumnopathy.
  • Analysis of phenomenological similarities between autistic individuals and migraineurs.
  • Comparison of clinical histories and laboratory findings in both conditions.

Main Results:

  • Autism postmortem studies show minicolumnopathy linked to serotonergic abnormalities and cortical hyperexcitability, also seen in migraine.
  • Shared features include neuroinflammation, sensory overstimulation, "food allergies," dietary benefits, and nitric oxide involvement.
  • Clinical and laboratory evidence supports a connection between autism and migraine.

Conclusions:

  • Abdominal migraine presents a plausible, falsifiable hypothesis for GI symptoms in autism.
  • The proposed link offers potential for novel therapeutic interventions.
  • Further research into the autism-migraine connection is warranted.

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