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Neoplasma Vol.54, p.219-224, 2007
|Title: Carbonyl and oxidative stress in patients with breast cancer – is there a relation to the stage of the disease?|
|Author: P. TESAROVA, M. KALOUSOVA, B. TRNKOVA, J. SOUKUPOVA, S. ARGALASOVA, O. MESTEK, L. PETRUZELKA, T. ZIMA|
|Abstract: Oxidative and carbonyl stress may, on one hand, contribute to the progression of cancer, on the other hand, they may have some antiproliferative effects. We examined serum levels of AGEs (advanced glycation end-products), CML (carboxymethyllysine) and AOPP (advanced oxidation protein products) in 86 patients with breast cancer subdivided based on the clinical stage (TNM classification), histologic grading, expression of hormonal and C-erb B2 receptors and in 14 healthy age-matched women as controls. Breast cancer patients had higher serum concentrations of AGEs (325,581 ± 66,037 vs. 271,322 ± 34 826 AU, p cancer patients had an early increase of AGEs (marker of the carbonyl stress) followed by further increase of AGEs and elevation of AOPP (marker of oxidative stress) in patients with progressive disease. As the clinical significance of these observations is currently uncertain further studies are clearly warranted, especially with respect to their potential therapeutic implications.
|Keywords: advanced glycation end-products, advanced oxidation protein products, breast cancer, carbonyl stress, carboxymethyllysine, oxidative stress|
|Year: 2007, Volume: 54, Issue:||Page From: 219, Page To: 224|