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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
The dihydrouracil/uracil ratio in plasma, clinical and genetic analysis for screening of dihydropyrimidine dehydrogenase deficiency in colorectal cancer patients treated with 5-fluorouracil
Pathologie Biologie, Volume 57, No. 6, Year 2009
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Description
A rapid and cost-effective reversed phase high performance liquid chromatography (HPLC) method for quantification of dihydrouracil to uracil ratio (UH2/U) in plasma has been developed and used to screen for dihydropyrimidine dehydrogenase (DPD) deficiency in nine patients treated with 5-fluorouracil (5-FU). This HPLC method is based on the use of a simultaneous UV detection at 205 and 268 nm during the analysis run of the plasma extract and taking into account the particularity that UH2 shows no absorbance response at 268 nm. The plasma UH2/U ratio values evaluated by the use of our HPLC assay were found to be highly correlated with the plasma 5-FU-half-life values and were significantly associated with the toxic side effects, whereas, data set provided from genetic analysis of the coding sequences of the DPD gene (DPYD) were found to be insufficient to explain all the cases of the 5-FU-related toxicity pattern. The proposed HPLC assay could be available for routine clinical use for DPD deficiency assessment in patients prior to 5-FU administration. © 2008 Elsevier Masson SAS. All rights reserved.
Authors & Co-Authors
Ben Fredj, Radhia
Tunisia, Sousse
Faculty of Medicine Sousse
Gross, Eva
Germany, Munich
Technische Universität München
Ben-Ahmed, Slim
Tunisia, Sousse
Hopital Farhat Hached Sousse
Hassine, Habib Ben
Tunisia, Sousse
Faculty of Medicine Sousse
Saguem, Saâd
Tunisia, Sousse
Faculty of Medicine Sousse
Statistics
Citations: 15
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1016/j.patbio.2008.05.001
ISSN:
03698114
Research Areas
Cancer
Environmental
Genetics And Genomics