Auflistung nach Autor "Stagos, 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 ... -
Aldehyde dehydrogenase 1B1: Molecular cloning and characterization of a novel mitochondrial acetaldehyde-metabolizing enzyme
Stagos, D.; Chen, Y.; Brocker, C.; Donald, E.; Jackson, B. C.; Orlicky, D. J.; Thompson, D. C.; Vasiliou, V. (2010)Ethanol-induced damage is largely attributed to its toxic metabolite, acetaldehyde. Clearance of acetaldehyde is achieved by its oxidation, primarily catalyzed by the mitochondrial class II aldehyde dehydrogenase (ALDH2). ... -
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 ... -
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 ... -
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. ... -
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 ... -
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 ... -
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 ... -
Correlation of total polyphenolic content with antioxidant and antibacterial activity of 24 extracts from Greek domestic Lamiaceae species
Stagos, D.; Portesis, N.; Spanou, C.; Mossialos, D.; Aligiannis, N.; Chaita, E.; Panagoulis, C.; Reri, E.; Skaltsounis, L.; Tsatsakis, A. M.; Kouretas, D. (2012)Lamiaceae family species are considered important because of their use in folk medicine, culinary and flavouring throughout the world. Their interesting bioactivities are attributed mainly to essential oils, polyphenols ... -
Cytogenetic effects of grape extracts (Vitis vinifera) and polyphenols on mitomycin C-induced sister chromatid exchanges (SCEs) in human blood lymphocytes
Stagos, D.; Spanou, C.; Margariti, M.; Stathopoulos, C.; Mamuris, Z.; Kazantzoglou, G.; Magiatis, P.; Kouretas, D. (2007)In the present study, the effects of extracts and polyphenol-rich fractions as well as monomer polyphenols identified in them, from both red and white grapes, on mitomycin C (MMC) induced sister chromatid exchanges (SCEs) ... -
Differential effects of xanthine oxidase inhibition and exercise on albumin concentration in rat tissues
Veskoukis, A. S.; Kyparos, A.; Stagos, D.; Kouretas, D. (2010)Albumin is a protein present in almost all kinds of mammalian cells. It has binding sites for several molecules, and possesses antioxidant and other important properties. The aim of this study was to examine the effects ... -
Effect of a special carbohydrate-protein cake on oxidative stress markers after exhaustive cycling in humans
Kerasioti, E.; Kiskini, A.; Veskoukis, A.; Jamurtas, A.; Tsitsimpikou, C.; Tsatsakis, A. M.; Koutedakis, Y.; Stagos, D.; Kouretas, D.; Karathanos, V. (2012)Exercise has been associated with oxidative stress that is correlated with muscle fatigue and reduced exercise performance. The aim of this study was to examine the effects of a special cake (consisting of carbohydrate to ...