Πλοήγηση ανά Συγγραφέα "Kouretas, D."
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Assessment of Eccentric Exercise-Induced Oxidative Stress Using Oxidation-Reduction Potential Markers
Stagos, D.; Goutzourelas, N.; Ntontou, A. M.; Kafantaris, I.; Deli, C. K.; Poulios, A.; Jamurtas, A. Z.; Bar-Or, D.; Kouretas, D. (2015)The aim of the present study was to investigate the use of static (sORP) and capacity ORP (cORP) oxidation-reduction potential markers as measured by the RedoxSYS Diagnostic System in plasma, for assessing eccentric ... -
Assessment of Oxidative Stress in Septic and Obese Patients Using Markers of Oxidation-reduction Potential
Spanidis, Y.; Goutzourelas, N.; Stagos, D.; Kolyva, A. S.; Gogos, C. A.; Bar-Or, D.; Kouretas, D. (2015)Background/ Aim: The novel static (sORP) and capacity (cORP) oxidation-reduction potential markers were examined for assessing oxidative stress in plasma of patients with sepsis. Moreover, the possible effect of obesity-induced ... -
Assessment of polyphenolic content, antioxidant activity, protection against ROS-induced DNA damage and anticancer activity of Vitis vinifera stem extracts
Apostolou, A.; Stagos, D.; Galitsiou, E.; Spyrou, A.; Haroutounian, S.; Portesis, N.; Trizoglou, I.; Hayes, A. W.; Tsatsakis, A. M.; Kouretas, D. (2013)Grape extracts and wine have been studied widely due to their beneficial effects on human health. However, there are only few studies from grape stems extracts. Therefore, the main objective of the present study was the ... -
Benzo A pyrene sensitizes Mcf7 breast cancer cells to induction of apoptosis and G1 arrest by the natural flavonoid eupatorin-5-methyl ether, via activation of cell signaling proteins and Cyp1-mediated metabolism
Androutsopoulos, V.; Koutala, E.; Dolapsakis, G.; Kovatsi, L.; Zafeiropoulos, A.; Kouretas, D.; Liesivuori, J.; Spandidos, D.; Tsatsakis, A. (2012) -
Biochemical and biological assessment of the inhibitory potency of extracts from vinification byproducts of Vitis vinifera extracts against glycogen phosphorylase
Kantsadi, A. L.; Apostolou, A.; Theofanous, S.; Stravodimos, G. A.; Kyriakis, E.; Gorgogietas, V. A.; Chatzileontiadou, D. S. M.; Pegiou, K.; Skamnaki, V. T.; Stagos, D.; Kouretas, D.; Psarra, A. M. G.; Haroutounian, S. A.; Leonidas, D. D. (2014)The inhibitory potency of thirteen polyphenolic extracts obtained from vinification byproducts of Greek varieties of Vitis vinifera against glycogen phosphorylase (GP) has been studied by kinetic experiments. GP is an ... -
Biological importance of reactive oxygen species in relation to difficulties of treating pathologies involving oxidative stress by exogenous antioxidants
Juranek, I.; Nikitovic, D.; Kouretas, D.; Hayes, A. W.; Tsatsakis, A. M. (2013)Findings about involvement of reactive oxygen species (ROS) not only in defense processes, but also in a number of pathologies, stimulated discussion about their role in etiopathogenesis of various diseases. Yet questions ... -
BLOOD OXIDATIVE STRESS MARKERS AFTER ULTRAMARATHON SWIMMING
Kabasakalis, A.; Kyparos, A.; Tsalis, G.; Loupos, D.; Pavlidou, A.; Kouretas, D. (2011)Kabasakalis, A, Kyparos, A, Tsalis, G, Loupos, D, Pavlidou, A, and Kouretas, D. Blood oxidative stress markers after ultramarathon swimming. J Strength Cond Res 25(3): 805-811, 2011-Data on redox balance in response to ... -
Blood reflects tissue oxidative stress depending on biomarker and tissue studied
Veskoukis, A. S.; Nikolaidis, M. G.; Kyparos, A.; Kouretas, D. (2009)This study investigated whether selected oxidative stress markers measured in blood adequately reflect redox status in skeletal muscle, heart, and liver. Several markers were determined after implementing two treatments ... -
A brief exposure to moderate passive smoke increases metabolism and thyroid hormone secretion
Metsios, G. S.; Flouris, A. D.; Jamurtas, A. Z.; Carrillo, A. E.; Kouretas, D.; Germenis, A. E.; Gourgoulianis, K.; Kiropoulos, T.; Tzatzarakis, M. N.; Tsatsakis, A. M.; Koutedakis, Y. (2007)Context: Active smoking influences normal metabolic status and thyroid function. Objective: The objective was to assess experimentally the effects of 1 h of moderate passive smoking in a controlled simulated bar/ restaurant ... -
Can traditional epidemiology detect cancer risks caused by occupational exposure to pesticides?
Georgellis, A.; Kolmodin-Hedman, B.; Kouretas, D. (1999)In order to investigate the possible relationship between cancer and occupational exposure to pesticides, we reviewed the latest literature of the epidemiological studies in this area coming to the conclusion that, while ... -
Cardiotoxicity in rabbits after a low-level exposure to diazinon, propoxur, and chlorpyrifos
Zafiropoulos, A.; Tsarouhas, K.; Tsitsimpikou, C.; Fragkiadaki, P.; Germanakis, I.; Tsardi, M.; Maravgakis, G.; Goutzourelas, N.; Vasilaki, F.; Kouretas, D.; Hayes, A. W.; Tsatsakis, A. M. (2014)Lethal cardiac complications leading to death and various arrhythmias have been reported after organophosphate and/or carbamate poisonings. The present study focuses on the long-term effects of repeated low-level exposure ... -
Catalytic Inhibition of Eukaryotic Topoisomerases I and II by Flavonol Glycosides Extracted from Vicia faba and Lotus edulis
Tselepi, M.; Papachristou, E.; Emmanouilidi, A.; Angelis, A.; Aligiannis, N.; Skaltsounis, A. L.; Kouretas, D.; Liadaki, K. (2011)Topoisomerases are essential enzymes involved in all processes of DNA metabolism, and their inhibitors have been identified as potential anticancer agents. The present study examined the effect of nine polyphenolic compounds ... -
CDK-inhibitor olomoucine inhibits cell death after exposure of cell lines to cytosine-arabinoside
Papazisis, K. T.; Geromichalos, G. D.; Kouretas, D.; Dimitriadis, K. A.; Kortsaris, A. H. (1999)Signal transduction for apoptosis or programmed cell death, after DNA damage in mammalian cells, is believed to involve activation of cyclin-dependent kinases (CDKs), especially CDK-1 (cdc2) and CDK-2. We used CDK-inhibitor ... -
CDK-inhibitor olomucine inhibits cell death after exposure of cell lines to cytosine-arabinoside (vol 138, pg 221, 1999)
Papazisis, K. T.; Geromichalos, G. D.; Kouretas, D.; Dimitriadis, K. A.; Kortsaris, A. H. (2000) -
Cell-free plasma DNA as a novel marker of aseptic inflammation severity related to exercise overtraining
Fatouros, I. G.; Destouni, A.; Margonis, K.; Jamurtas, A. Z.; VrettoU, C.; Kouretas, D.; Mastorakos, G.; MitrakoU, A.; Taxildaris, K.; Kanavakis, E.; Papassotiriou, I. (2006)Background: Circulating free plasma DNA is implicated in conditions associated with tissue injury, including exercise-induced inflammation, and thus is a potential marker for athletic overtraining. Methods: We measured ... -
CHARACTERIZATION OF THE PROTEIN PROTECTING RNA FROM ACID PRECIPITATION AND ITS EVALUATION AS TUMOR-MARKER IN GASTROINTESTINAL AND GYNECOLOGICAL CANCER
Kouretas, D.; Vaitsopoulos, J.; Petropoulos, P.; Antonoglou, O. (1995)In a previous study, we observed increased protective activity against acid precipitation of poly (U) in the serum of tumor bearing mice and hepatoma patients. In the present study we purified and partially characterized ... -
Chemical profile characterization of biologically active extracts obtained from Salvia species
Chaita, E.; Aligiannis, N.; Kouretas, D.; Skaltsounis, A. L. (2009) -
Chemoprevention of liver cancer by plant polyphenols
Stagos, D.; Amoutzias, G. D.; Matakos, A.; Spyrou, A.; Tsatsakis, A. M.; Kouretas, D. (2012)Primary liver cancer or hepatocellular carcinoma (HCC) is one of the most frequent tumors representing the fifth commonest malignancy worldwide and the third cause of mortality from cancer. Currently, the treatments for ... -
Chemopreventive activity of very low dose dietary tannic acid administration in hepatoma bearing C3H male mice
Nepka, C.; Sivridis, E.; Antonoglou, O.; Kortsaris, A.; Georgellis, A.; Taitzoglou, I.; Hytiroglou, P.; Papadimitriou, C.; Zintzaras, I.; Kouretas, D. (1999)Tannins are plant polyphenols comprising a heterogeneous group of compounds. Tannic acid is a common tannin found in tea, coffee, immature fruits, etc. and it has also been used as a food additive. An increasing body of ... -
Comparison of the blood redox status between long-distance and short-distance runners
Kostaropoulos, I. A.; Nikolaidis, M. G.; Jamurtas, A. Z.; Ikonomou, G. V.; Makrygiannis, V.; Papadopoulos, G.; Kouretas, D. (2006)Exercise increases the production of reactive oxygen species, which may damage a number of cell constituents. Organisms have developed a sophisticated antioxidant system for protection against reactive oxygen species. Our ...