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J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Oct 15;877(28):3467-74. doi: 10.1016/j.jchromb.2009.04.032. Epub 2009 May 4.

Evidence against a role of ketone bodies in the generation of oxidative stress in human erythrocytes by the application of reliable methods for thiol redox form detection.

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  • 1Department of Evolutionary Biology, University of Siena, Siena, Italy. ranieri@unisi.it

Abstract

Aim of this study was to reconsider the previously suggested contribution of ketone bodies in causing oxidative damage in human red blood cells (RBCs) in the light of our recent findings demonstrating some methodological pitfalls that can occur during detection of hematic thiols. RBCs were incubated at 37 degrees C with 20mM ketone bodies and analyzed with time for their content of glutathione, glutathione disulfide and S-glutathionylated proteins (in both the hemoglobin and membrane skeletal protein fraction). No changes in the concentrations of glutathione and its related forms were evidenced. Differently from previous reports, our results suggest that ketone bodies do not mediate generation of oxidative stress in human RBCs.

PMID:
19443279
DOI:
10.1016/j.jchromb.2009.04.032
[PubMed - indexed for MEDLINE]

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