Πλοήγηση ανά Συγγραφέα "Kouretas, D."
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Activity of grape extracts from Greek varieties of Vitis vinifera against mutagenicity induced by bleomycin and hydrogen peroxide in Salmonella typhimurium strain TA102
Stagos, D.; Kazantzoglou, G.; Theofanidou, D.; Kakalopoulou, G.; Magiatis, P.; Mitaku, S.; Kouretas, D. (2006)Several in vivo and in vitro studies have shown that grape extracts could prevent certain steps in carcinogenesis and a few mechanisms have been proposed for this activity. In this study, the potential antimutagenic activity ... -
Acute effects of electronic and tobacco cigarette smoking on complete blood count
Flouris, A. D.; Poulianiti, K. P.; Chorti, M. S.; Jamurtas, A. Z.; Kouretas, D.; Owolabi, E. O.; Tzatzarakis, M. N.; Tsatsakis, A. M.; Koutedakis, Y. (2012)The World Health Organisation called for research assessing the safety of electronic cigarette (e-cigarette). We evaluated the acute effect of active and passive e-cigarette and tobacco cigarette smoking on complete blood ... -
Acute exercise markedly increases blood oxidative stress in boys and girls
Nikolaidis, M. G.; Kyparos, A.; Hadziioannou, M.; Panou, N.; Samaras, L.; Jamurtas, A. Z.; Kouretas, D. (2007)This study investigated the effect of an acute swimming protocol on selected blood redox status indices in trained children. Eleven boys and 11 girls (aged 9-11 y) swam 12 bouts of 50 m at a pace corresponding to 70%-75% ... -
Adipocytokine Levels in Children: Effects of Fatness and Training
Aggeloussi, S.; Theodorou, A. A.; Paschalis, V.; Nikolaidis, M. G.; Fatouros, I. G.; Owolabi, E. O.; Kouretas, D.; Koutedakis, Y.; Jamurtas, A. Z. (2012)To investigate the effects of obesity and exercise training on plasma adipocytokines a sample of 42 children (lean = 24, %BF = 17.8 +/- 7.5%; obese = 18; %BF = 29.1 +/- 9.3%; mean age = 12.4 +/- 1.9 yrs), were divided into ... -
Albumin possesses intrinsic enolase activity towards dihydrotestosterone which can differentiate benign from malignant breast tumors
Drmanovic, Z.; Voyatzi, S.; Kouretas, D.; Sahpazidou, D.; Papageorgiou, A.; Antonoglou, O. (1999)Serum albumin was found to possess enolase activity towards the dihydrotestesterone (DHT) molecule, converting it from its 3-keto to 3-enol form. This activity was accompanied by albumin during all stages of purification, ... -
alpha-Lipoic acid supplementation up-regulates antioxidant capacity in adults with G6PD deficiency
Georgakouli, K.; Deli, C. K.; Zalavras, A.; Fatouros, I. G.; Kouretas, D.; Koutedakis, Y.; Jamurtas, A. Z. (2013)The purpose of this study was to examine the effect of alpha-lipoic acid (LA) supplementation on blood redox status in individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Eight adults with G6PD deficiency ... -
Alzheimer's disease treated patients showed different patterns for oxidative stress and inflammation markers
Gubandru, M.; Margina, D.; Tsitsimpikou, C.; Goutzourelas, N.; Tsarouhas, K.; Ilie, M.; Tsatsakis, A. M.; Kouretas, D. (2013)Alzheimer's disease (AD) is the most common type of dementia accounting for 60-80% of the reported cases. The aim of this study was to evaluate levels of certain parameters of oxidative stress and markers of endothelial ... -
Anti-inflammatory effects of a special carbohydrate-whey protein cake after exhaustive cycling in humans
Kerasioti, E.; Stagos, D.; Jamurtas, A.; Kiskini, A.; Koutedakis, Y.; Goutzourelas, N.; Pournaras, S.; Tsatsakis, A. M.; Kouretas, D. (2013)Intense exercise induces increased levels of pro-inflammatory and anti-inflammatory cytokines. Thus, the purpose of this study was to examine the effects of a special cake (consisting of carbohydrate to whey protein 3.5:1) ... -
ANTIANGIOGENIC POTENTIAL OF GRAPE STEM EXTRACT THROUGH INHIBITION OF VASCULAR ENDOTHELIAL GROWTH FACTOR EXPRESSION
Stagos, D.; Apostolou, A.; Poulios, E.; Kermeliotou, E.; Mpatzilioti, A.; Kreatsouli, K.; Koulocheri, S. D.; Haroutounian, S. A.; Kouretas, D. (2014)The aim of the present study was to investigate the antiangiogenic potential of a grape stem extract against tube formation by human endothelial cells (EA.hy926). The results showed that at low and non-cytotoxic concentrations ... -
Anticarcinogenic activity of polyphenolic extracts from grape stems against breast, colon, renal and thyroid cancer cells
Sahpazidou, D.; Geromichalos, G. D.; Stagos, D.; Apostolou, A.; Haroutounian, S. A.; Tsatsakis, A. M.; Tzanakakis, G. N.; Hayes, A. W.; Kouretas, D. (2014)A major part of the wineries' wastes is composed of grape stems which are discarded mainly in open fields and cause environmental problems due mainly to their high polyphenolic content. The grape stem extracts' use as a ... -
Antioxidant activity of a series of fluorinated pyrano-nucleoside analogues of N-4-benzoyl cytosine and N-6-benzoyl adenine
Spanou, C.; Manta, S.; Komiotis, D.; Dervishi, A.; Kouretas, D. (2007)Fluorinated nucleoside analogues are known as antitumor, antiviral and chemotherapeutic agents, although the antioxidant activity of this kind of molecules is not yet investigated. In this study we have tested the antioxidant ... -
Antioxidant and chemopreventive properties of polyphenolic compounds derived from Greek legume plant extracts
Spanou, C.; Bourou, G.; Dervishi, A.; Aligiannis, N.; Angelis, A.; Komiotis, D.; Skaltsounis, A. L.; Kouretas, D. (2008)Recently, phytochemical compounds present in legumes have gained a lot of interest because they are considered to be possible chemopreventive agents. In the present study, 14 polyphenolic compounds were extracted and ... -
Antioxidant and chemopreventive properties of Vicia faba extract and its flavonoid fractions
Spanou, C.; Aligiannis, N.; Skaltsounis, A. L.; Kouretas, D. (2008) -
The Antioxidant Effects of a Polyphenol-Rich Grape Pomace Extract In Vitro Do Not Correspond In Vivo Using Exercise as an Oxidant Stimulus
Veskoukis, A. S.; Kyparos, A.; Nikolaidis, M. G.; Stagos, D.; Aligiannis, N.; Halabalaki, M.; Chronis, K.; Goutzourelas, N.; Skaltsounis, L.; Kouretas, D. (2012)Fruits, such as grapes, are essential food of the Mediterranean diet. Grape extracts have potent antioxidant and chemopreventive properties in vitro. Numerous studies have examined the effects of plant extract administration ... -
Antioxidant effects of whey protein on muscle C2C12 cells
Kerasioti, E.; Stagos, D.; Priftis, A.; Aivazidis, S.; Tsatsakis, A. M.; Hayes, A. W.; Kouretas, D. (2014)In the present study, the in vitro scavenging activity of sheep whey protein against free radicals, as well as its reducing power were determined and compared with that of beef protein, soy protein and cow whey protein. ... -
ANTIOXIDANT STATUS IN ERYTHROCYTES OF SEPTIC SHOCK PATIENTS
Karapetsa, M.; Pitsika, M.; Goutzourelas, N.; Stagos, D.; Becker, A. T.; Zakynthmos, E.; Kouretas, D. (2013) -
Application of a new oxidation-reduction potential assessment method in strenuous exercise-induced oxidative stress
Stagos, D.; Goutzourelas, N.; Bar-Or, D.; Ntontou, A. M.; Bella, E.; Becker, A. T.; Statiri, A.; Kafantaris, I.; Kouretas, D. (2015)Objectives: The aim of the study was to test a novel method for assessing oxidative stress, the RedoxSYS (TM) diagnostic system, a holistic, fast, minimally invasive, and requiring small sample volume method, that measures ... -
Applications and Biomonitoring Issues of Recombinant Erythropoietins for Doping Control
Tsitsimpikou, C.; Kouretas, D.; Tsarouhas, K.; Fitch, K.; Spandidos, D. A.; Tsatsakis, A. (2011)The biochemical actions and side effects of recombinant erythropoietins (rhEPOs), their analogs and mimetics, their misuse as doping agents, and the principal analytical strategies developed to identify them in athletes' ... -
Assessment of antioxidant activity of extracts from unique Greek varieties of Leguminosae plants using in vitro assays
Spanou, C.; Stagos, D.; Tousias, L.; Angelis, A.; Aligiannis, N.; Skaltsounis, A. L.; Kouretas, D. (2007)Background: It is believed that legumes are a very good source of micronutrients and phytochemicals that present chemopreventive activity against diseases such as diabetes, coronary heart disease and colon cancer. Methanolic ... -
Assessment of antioxidant/anticarcinogenic activity of plant extracts by a combination of molecular methods
Stagos, D.; Karaberis, E.; Kouretas, D. (2005)Cancer chemoprevention is considered to be a promising approach for cancer control, as it has been identified by both epidemiological and molecular studies that environmental factors are the major causes of cancer. ...