Enhanced levels of asymmetric dimethylarginine in a serum of middle age patients with myelodysplastic syndrome

Myelodysplastic syndromes (MDS) are hematological malignancies of unclear etiology where oxidative stress may contribute to the pathogenesis. Methylarginines, naturally occurring inhibitors of NO synthase, can increase superoxide generation from uncoupled NO synthase. We found significant increase in concentrations of asymmetric dimethylarginine (0.84 ± 0.32 μmol/L, p = 0.0022) and malondialdehyde (0.77 ± 0.11 μmol/L, p < 0.001) in sera of MDS patients vs controls (asymmetric dimethylarginine: 0.56 ± 0.16 μmol/L, malondialdehyde: 0.52 ± 0.07 μmol/L). On the contrary, nitrites concentrations were significantly decreased in MDS patients (1.71 ± 0.46 μmol/L, p = 0.0028) vs controls (2.16 ± 0.38 μmol/L). We suppose that the oxidative stress in MDS is enhanced due to methylated arginines influence on NO synthase activity impairment.

• Publication year

  2013

• Venue

  Journal of Hematology & Oncology

• Publication date

  2013-08-19

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.1186/1756-8722-6-58PMID 23958336PMCID 3765587
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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