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Related Experiment Videos

Evidence for increased lipid peroxidation in multiple sclerosis.

P K Toshniwal1, E J Zarling

  • 1Department of Neurology, Cook County Hospital, Chicago, Illinois.

Neurochemical Research
|February 1, 1992
PubMed
Summary

Multiple sclerosis patients in acute exacerbation show higher pentane levels, indicating increased lipid peroxidation and oxygen free radical activity. Pentane levels normalize upon remission, suggesting its role as a biomarker for disease activity.

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Area of Science:

  • Biochemistry
  • Neuroscience
  • Clinical Medicine

Background:

  • Lipid peroxidation generates pentane and ethane from unsaturated fatty acids.
  • Assessing lipid peroxidation may offer insights into multiple sclerosis (MS) pathogenesis.

Purpose of the Study:

  • To investigate the association between multiple sclerosis and lipid peroxidation.
  • To measure pentane and ethane excretion in MS patients and healthy controls.

Main Methods:

  • Quantified pentane and ethane levels in 16 MS patients and healthy controls.
  • Compared excretion levels between patients in acute exacerbation, remission, and controls.

Main Results:

  • Significantly elevated pentane concentrations were observed in MS patients during acute exacerbation (10.5 +/- 4.2 nmol/l) compared to remission (4.5 +/- 1.7 nmol/l) and controls (4.9 +/- 1.1 nmol/l).

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  • Ethane levels did not differ significantly among the groups.
  • Pentane excretion normalized in patients who achieved remission, and remained high in one patient who did not.

    • Conclusions:

    • Enhanced oxygen free radical activity is implicated during multiple sclerosis exacerbations.
    • Pentane excretion may serve as a biomarker for MS disease activity and lipid peroxidation.