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Related Experiment Video

Updated: Jun 4, 2026

Positron Emission Tomography Imaging for In Vivo Measuring of Myelin Content in the Lysolecithin Rat Model of Multiple Sclerosis
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Myelin Basic Protein Expressing Microparticles Predict Neurologic Morbidity Risk From Acute Carbon Monoxide

Abid R Bhat1, Kinjal Sethuraman1, Awadhesh K Arya1

  • 1Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD.

Critical Care Medicine
|June 3, 2026
PubMed
Summary

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Agreement and clinical utility of non-invasive SpCO versus arterial COHb in acute carbon monoxide poisoning: a prospective observational study.

Scientific reports·2026
This summary is machine-generated.

Myelin basic protein microparticles (MBP-MPs) in blood predict neurologic sequelae risk in carbon monoxide (CO) poisoning. Elevated MBP-MPs indicate a higher risk of adverse outcomes due to initiating an immune response.

Area of Science:

  • Biomarker discovery
  • Neuroscience
  • Immunology

Background:

  • Carbon monoxide (CO) poisoning can lead to significant neurologic morbidity.
  • Predicting neurologic sequelae (NS) risk in CO-poisoned patients is crucial for timely intervention.
  • Current methods for assessing NS risk upon hospital admission are limited.

Purpose of the Study:

  • To identify a blood biomarker detectable at hospital admission that estimates the risk of neurologic morbidity following CO poisoning.
  • To investigate the role of microparticles bearing myelin basic protein (MBP-MPs) as a potential biomarker for CO poisoning outcomes.

Main Methods:

  • An observational cohort study involving 114 CO-poisoned patients and 89 matched controls.
  • Utilized retrospective and prospective data from emergency departments and laboratory investigations.
Keywords:
biomarkersbloodimmunologymorbiditytherapeutics

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  • Employed a murine model of CO poisoning to elucidate the underlying mechanisms.

    • Main Results:

    • MBP-MPs levels were significantly elevated in CO-poisoned patients compared to controls (88 ± 43 vs. 19 ± 12, p < 0.001).
    • Patients with neurologic sequelae at 1 month exhibited markedly higher MBP-MP levels (146 ± 62, p < 0.001).
    • Murine models demonstrated that MBP-MPs sensitize lymphocytes, disrupt the blood-brain barrier, and trigger neuroinflammation.

    Conclusions:

    • MBP-MPs serve as a reliable index for predicting adverse outcomes in CO poisoning.
    • The mechanism involves MBP-MPs initiating an adaptive immune response that contributes to neuroinflammation.
    • This finding offers a potential diagnostic tool for assessing CO poisoning severity and prognosis.