Πλοήγηση ανά Συγγραφέα "Pournaras, S."
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Acquired carbapenemases in Gram-negative bacterial pathogens: detection and surveillance issues
Miriagou, V.; Cornaglia, G.; Edelstein, M.; Galani, I.; Giske, C. G.; Gniadkowski, M.; Malamou-Lada, E.; Martinez-Martinez, L.; Navarro, F.; Nordmann, P.; Peixe, L.; Pournaras, S.; Rossolini, G. M.; Tsakris, A.; Vatopoulos, A.; Canton, R. (2010)Acquired carbapenemases are emerging resistance determinants in Gram-negative pathogens, including Enterobacteriaceae, Pseudomonas aeruginosa and other Gram-negative non-fermenters. A consistent number of acquired ... -
Activin A and Follistatin as Biomarkers for Ectopic Pregnancy and Missed Abortion
Daponte, A.; Deligeoroglou, E.; Garas, A.; Pournaras, S.; Hadjichristodoulou, C.; Messinis, I. E. (2013)Activin A as a predictor of pregnancy failure has been the focus of heated debate, but the value of a combined activin A and follistatin (FS) measurement in serum to predict pregnancy failure has not been reported yet. We ... -
Activity of Oxacillin versus That of Vancomycin against Oxacillin-Susceptible mecA-Positive Staphylococcus aureus Clinical Isolates Evaluated by Population Analyses, Time-Kill Assays, and a Murine Thigh Infection Model
Labrou, M.; Michail, G.; Ntokou, E.; Pittaras, T. E.; Pournaras, S.; Tsakris, A. (2012)We compared the activity of dicloxacillin with that of vancomycin against 15 oxacillin-susceptible, methicillin-resistant Staphylococcus aureus (OS-MRSA) clinical isolates. By population analyses, we found that 6 OS-MRSA ... -
Activity of tigecycline alone and in combination with colistin and meropenem against Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae strains by time-kill assay
Pournaras, S.; Vrioni, G.; Neou, E.; Dendrinos, J.; Dimitroulia, E.; Poulou, A.; Tsakris, A. (2011)Antibiotic combinations including tigecycline have not been studied against Klebsiella pneumoniae carbapenemase (KPC)-producing pathogens. Tigecycline alone and combined with colistin and meropenem was tested against eight ... -
Activity of Tigecycline in Combination with Colistin, Meropenem, Rifampin, or Gentamicin against KPC-Producing Enterobacteriaceae in a Murine Thigh Infection Model
Michail, G.; Labrou, M.; Pitiriga, V.; Manousaka, S.; Sakellaridis, N.; Tsakris, A.; Pournaras, S. (2013)Limited antimicrobials remain active for treating severe infections due to KPC-producing pathogens, and optimal regimens have not been established. In murine thigh infections caused by nine KPC-producing clinical strains ... -
The acute effect of smoking in healthy and asthmatic smokers
Papaioannou, A. I.; Koutsokera, A.; Tanou, K.; Kiropoulos, T. S.; Tsilioni, I.; Oikonomidi, S.; Liadaki, K.; Pournaras, S.; Gourgoulianis, K. I.; Kostikas, K. (2010)Background Acute exposure to cigarette smoke is related to airway and systemic inflammation and oxidative stress. Little is known about the acute effect of cigarette smoking in smoking asthmatics. The aim of this study was ... -
Advances in Antibacterial Therapy Against Emerging Bacterial Pathogens
Pournaras, S.; Iosifidis, E.; Roilides, E. (2009)During the last decade, both gram-positive and gram-negative bacteria that are resistant to most or all available antibacterial classes have become increasingly prevalent nosocomial pathogens, particularly among immunocompromised ... -
Alterations of Deadenylase Expression in Acute Leukemias: Evidence for Poly(A)-Specific Ribonuclease as a Potential Biomarker
Maragozidis, P.; Karangeli, M.; Labrou, M.; Dimoulou, G.; Papaspyrou, K.; Salataj, E.; Pournaras, S.; Matsouka, P.; Gourgoulianis, K. I.; Balatsos, N. A. A. (2012)Background/Aims: The degradation of mRNA is a key process in the control of gene expression correlated to anomalous cell proliferation. The rate-limiting step of mRNA degradation is the removal of the poly(A) tail by ... -
Angiopoietin 1 and 2 in failed pregnancy
Daponte, A.; Deligeoroglou, E.; Pournaras, S.; Tsezou, A.; Garas, A.; Skentou, H.; Messinis, I. E. (2012) -
Angiopoietin-1 and angiopoietin-2 as serum biomarkers for ectopic pregnancy and missed abortion A case-control study
Daponte, A.; Deligeoroglou, E.; Pournaras, S.; Tsezou, A.; Garas, A.; Anastasiadou, F.; Hadjichristodoulou, C.; Messinis, I. E. (2013)Background: A case-control study to evaluate whether a single serum measurement of angiopoietin-1 (ANG-1) and angiopoietin-2 (ANG-2) at 6-8 weeks gestation can differentiate failed pregnancies, whether ectopic pregnancies ... -
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) ... -
Applicability of self-obtained urine and vaginal samples for HPV-16,-18,-31 and-45 cervical cancer screening in pregnancy: a pilot cross-sectional study
Mantzana, P.; Pournaras, S.; Skentou, C.; Deligeoroglou, E.; Katsioulis, A.; Antonakopoulos, G.; Hadjichristodoulou, C.; Tsakris, A.; Messinis, I. E.; Daponte, A. (2014)Aim:To conduct a pilot cross-sectional study to evaluate the rates of detection of four common high-risk HPV (hr-HPV) types using first-void urine paired with vaginal self-obtained samples in a nonvaccinated population of ... -
Association of biofilm formation and methicillin-resistance with accessory gene regulator (agr) loci in Greek Staphylococcus aureus clones
Ikonomidis, A.; Vasdeki, A.; Kristo, I.; Maniatis, A. N.; Tsakris, A.; Malizos, K. N.; Pournaras, S. (2009)Pathogenicity of Staphylococcus aureus is coordinated by the accessory gene regulator (agr) system. Previous studies suggested that agr Group 11 methicillin-resistant S. aureus (MRSA), a polymorphism that has been associated ... -
The Association of Metabolic Syndrome with Adipose Tissue Hormones and Insulin Resistance in Patients with COPD without Co-morbidities
Minas, M.; Kostikas, K.; Papaioannou, A. I.; Mystridou, P.; Karetsi, E.; Georgoulias, P.; Liakos, N.; Pournaras, S.; Gourgoulianis, K. I. (2011)Chronic obstructive pulmonary disease (COPD) and metabolic syndrome represent common causes of morbidity and mortality in ageing populations. The effect of the co-existence of COPD and metabolic syndrome on adipose tissue ... -
Blood ghrelin, resistin, and adiponectin concentrations during the normal menstrual cycle
Dafopoulos, K.; Sourlas, D.; Kallitsaris, A.; Pournaras, S.; Messinis, I. E. (2009)Objective: To investigate changes of ghrelin, resistin, and adiponectin levels in the circulation during the normal menstrual cycle. Design: Longitudinal study. Setting: The study was conducted at a university hospital. ... -
Carriage of OXA-58 but not of OXA-51 beta-lactamase gene correlates with carbapenem resistance in Acinetobacter baumannii
Tsakris, A.; Ikonomidis, A.; Pournaras, S.; Spanakis, N.; Markogiannakis, A. (2006) -
Characteristics of Meropenem Heteroresistance in Klebsiella pneumoniae Carbapenemase (KPC)-Producing Clinical Isolates of K-pneumoniae
Pournaras, S.; Kristo, I.; Vrioni, G.; Ikonomidis, A.; Poulou, A.; Petropoulou, D.; Tsakris, A. (2010)Meropenem heteroresistance was investigated in six apparently meropenem-susceptible, Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae (KPC-KP) clinical isolates, compared with that in carbapenemase-negative, ... -
Characterization of clinical isolates of Pseudomonas aeruginosa heterogeneously resistant to carbapenems
Pournaras, S.; Ikonomidis, A.; Markogiannakis, A.; Spanakis, N.; Maniatis, A. N.; Tsakris, A. (2007)Fourteen apparently carbapenem-susceptible Pseudomonas aeruginosa clinical isolates that exhibited colonies within the inhibition zone around carbapenem discs were analysed. MICs of carbapenems were determined and the ... -
Characterization of In3Mor, a new integron carrying VIM-1 metallo-beta-lactamase and sat1 gene, from Morganella morganii
Tsakris, A.; Ikonomidis, A.; Spanakis, N.; Poulou, A.; Pournaras, S. (2007)Objectives: A carbapenem-resistant Morganella morganii clinical isolate that was phenotypically metallo-beta-lactamase (MBL)-positive was recovered from a Greek patient. The aim of the study was to analyse the structure ... -
Circulating profile of adiponectin and resistin during the normal menstrual cycle
Dafopoulos, K.; Sourlas, D.; Pournaras, S.; Kallitsaris, A.; Christo, I.; Messinis, I. E. (2007)