An inter-laboratory validation of methods of lipid peroxidation measurement in UVA-treated human plasma samples

Breusing, Nicolle, Grune, Tilman, Andrisic, Luka, Atalay, Mustafa, Bartosz, Grzegorz, Biasi, Fiorella, Borovic, Suzana, Bravo, Laura, Casals, Isidre, Casillas, Rosario, Dinischiotu, Anca, Drzewinska, Joanna, Faber, Heidemarie, Fauzi, Norsyahida M., Gajewska, Agnieszka, Gambini, Juan, Gradinaru, Daniela, Kokkola, Tarja, Lojek, Antonin, Łuczaj, Wojciech, Margina, Denisa, Mascia, Cinzia, Mateos, Raquel, Meinitzer, Andreas, Mitjavila, María T., Mrakovcic, Lidija, Munteanu, Maria C., Podborska, Martina, Poli, Giuseppe, Sicinska, Paulina, Skrzydlewska, Elzbieta, Vina, Jose, Wiswedel, Ingrid, Zarkovic, Neven, Zelzer, Sieglinde and Spickett, Corinne M (2010). An inter-laboratory validation of methods of lipid peroxidation measurement in UVA-treated human plasma samples. Free Radical Research, 44 (10), pp. 1203-1215.


Lipid peroxidation products like malondialdehyde, 4-hydroxynonenal and F(2)-isoprostanes are widely used as markers of oxidative stress in vitro and in vivo. This study reports the results of a multi-laboratory validation study by COST Action B35 to assess inter-laboratory and intra-laboratory variation in the measurement of lipid peroxidation. Human plasma samples were exposed to UVA irradiation at different doses (0, 15 J, 20 J), encoded and shipped to 15 laboratories, where analyses of malondialdehyde, 4-hydroxynonenal and isoprostanes were conducted. The results demonstrate a low within-day-variation and a good correlation of results observed on two different days. However, high coefficients of variation were observed between the laboratories. Malondialdehyde determined by HPLC was found to be the most sensitive and reproducible lipid peroxidation product in plasma upon UVA treatment. It is concluded that measurement of malondialdehyde by HPLC has good analytical validity for inter-laboratory studies on lipid peroxidation in human EDTA-plasma samples, although it is acknowledged that this may not translate to biological validity.

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Divisions: Life & Health Sciences > Biosciences
Life & Health Sciences
Life & Health Sciences > Biomedical Sciences research group
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Uncontrolled Keywords: aldehydes,high pressure liquid chromatography,liquid chromatography,clinical chemistry tTests,enzyme-linked immunosorbent assay,humans,isoprostanes,lipid peroxidation,malondialdehyde,mass spectrometry,plasma,reproducibility of results,sensitivity and specificity,ultraviolet rays,oxidative stress,4-hydroxynonenal,F2-isoprostanes,Biochemistry
Published Date: 2010-10


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