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Serum metabolic profile in multiple sclerosis patients
Barbara Tavazzi1, Anna Paola Batocchi, Angela Maria Amorini
1Institute of Biochemistry and Clinical Biochemistry, Catholic University of Rome, 00168 Rome, Italy.
Multiple Sclerosis International
|November 19, 2011
Summary
Multiple sclerosis (MS) patients exhibit altered serum metabolite levels, including increased uric acid and oxypurines. These changes reflect significant alterations in energy metabolism and the oxidant/antioxidant balance in MS.
Area of Science:
- Neuroscience
- Biochemistry
- Immunology
Background:
- Multiple sclerosis (MS) is a progressive demyelinating autoimmune disease with unknown causes.
- MS is associated with biochemical changes, including oxidative stress and mitochondrial dysfunction.
- Circulating metabolite alterations in MS are documented, but the role of uric acid remains unclear.
Purpose of the Study:
- To investigate the serum metabolic profile of multiple sclerosis patients.
- To analyze levels of purines, pyrimidines, creatinine, malondialdehyde, ascorbic acid, nitrite, and nitrate in MS patients.
- To determine if serum metabolic changes correlate with disease state in MS.
Main Methods:
- Serum samples were collected from 170 multiple sclerosis patients.
- Metabolomic profiling was performed to quantify specific metabolites.
- Statistical analysis was used to compare metabolite levels between MS patients and control groups (implicitly).
Main Results:
- MS patients showed increased serum uric acid, hypoxanthine, xanthine, uridine, and β-pseudouridine.
- Circulating creatinine, malondialdehyde, nitrite, and nitrate levels were elevated in MS patients.
- Ascorbic acid levels were decreased in the serum of MS patients.
Conclusions:
- Multiple sclerosis is associated with significant alterations in serum purine and pyrimidine metabolism.
- MS induces changes in energy metabolism and the oxidant/antioxidant balance, detectable in serum.
- Serum metabolic profiling offers potential biomarkers for monitoring MS progression and metabolic disturbances.
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