Browsing by Subject "major clinical study"

Now showing items 41-60 of 67

    • Article  

      Manual and automated intima-media thickness and diameter measurements of the common carotid artery in patients with renal failure disease 

      Loizou, Christos P.; Kasparis, Takis; Lazarou, Theodoros; Pattichis, Constantinos S.; Pantzaris, Marios C. (2014)
      The objective of this study was to investigate differences in intima-media thickness (IMT) and diameter (D) measurements of the common carotid artery (CCA) in ultrasound imaging in normal subjects and renal failure disease ...
    • Article  

      Medical diagnostic systems: A case for neural networks 

      Schizas, Christos N.; Pattichis, Constantinos S.; Bonsett, C. A. (1994)
      Recent advances in computer technology offer to the medical profession specialized tools for gathering medical data, processing power, as well as fast storing and retrieving capabilities. Artificial intelligence (AI), an ...
    • Article  

      Medullary cystic kidney disease type 1: Mutational analysis in 37 genes based on haplotype sharing 

      Wolf, M. T. F.; Mucha, B. E.; Hennies, H. C.; Attanasio, M.; Panther, F.; Zalewski, I.; Karle, S. M.; Otto, E. A.; Constantinou-Deltas, Constantinos D.; Fuchshuber, A.; Hildebrandt, F. (2006)
      Medullary cystic kidney disease type 1 (MCKD1) is an autosomal dominant, tubulo-interstitial nephropathy that causes renal salt wasting and end-stage renal failure in the fourth to seventh decade of life. MCKD1 was localized ...
    • Article  

      Molecular characterization of HIV type 1 strains from newly diagnosed patients in Cyprus (2007-2009) recovers multiple clades including unique recombinant strains and lack of transmitted drug resistance 

      Kousiappa, Ioanna; Achilleos, Charis; Hezka, Johana; Lazarou, Yiota; Othonos, Katerina M.; Demetriades, Ioannis; Kostrikis, Leontios G. (2011)
      HIV-1 evolution generates substantial genetic diversity among isolates, the majority of which are represented in areas where multiple strains cocirculate. A heterogeneous genetic HIV-1 pool has been found in Cyprus, directing ...
    • Article  

      Molecular epidemiology of hepatitis C infection in cyprus: Evidence of polyphyletic infection 

      Demetriou, Victoria L.; Van De Vijver, D. A. M. C.; Kostrikis, Leontios G.; Chimonides, S.; Evgeniou, N. A.; Hadjigeorgiou-Vounou, E.; Koliou-Mazeri, M.; Papakyriakou, P.; Petsas, L.; Potamitis, G. (2009)
      The genetic diversity of the hepatitis C virus (HCV) in Cyprus is investigated for the first time in this study. Nucleotide sequence analysis of the CORE-E1 and NS5B regions of the HCV genome was performed on blood plasma ...
    • Article  

      The MTHFR 677TT and 677CT/1298AC genotypes in Cypriot patients may be predisposing to hypertensive nephrosclerosis and chronic renal failure 

      Koupepidou, P.; Constantinou-Deltas, Constantinos D.; Christofides, Tasos C.; Athanasiou, Yiannis; Zouvani, Ioanna; Pierides, Alkis M. (2005)
      Aim. The homozygous 677TT mutation of the MTHFR gene has been linked to deep vein thrombosis and to arterial atherosclerotic events of the coronary, carotid and peripheral arteries. Its putative association with renal ...
    • Article  

      The MTHFR 677TT and 677CT/1298AC genotypes in Cypriot patients may be predisposing to hypertensive nephrosclerosis and chronic renal failureAAA 

      Koupepidou, P.; Constantinou-Deltas, Constantinos D.; Christofides, Tasos C.; Athanasiou, Yiannis; Zouvani, Ioanna; Pierides, Alkis M. (2005)
      Aim. The homozygous 677TT mutation of the MTHFR gene has been linked to deep vein thrombosis and to arterial atherosclerotic events of the coronary, carotid and peripheral arteries. Its putative association with renal ...
    • Article  

      Near full-length genetic analysis of HIV sequences derived from Cyprus: Evidence of a highly polyphyletic and evolving infection 

      Kousiappa, Ioanna; Van De Vijver, D. A. M. C.; Kostrikis, Leontios G. (2009)
      The molecular epidemiology of HIV-1 infection was previously studied in Cyprus but the degree of HIV-1 diversity has remained indefinable. The main objective of the present study is to examine HIV-1 strains isolated from ...
    • Article  

      Novel NPR1 polymorphic variants and its exclusion as a candidate gene for medullary cystic kidney disease (ADMCKD) type 1 

      Koptides, Michael; Mean, R.; Stavrou, Christoforos V.; Pierides, Alkis M.; Demetriou, Kyproula; Nakayama, T.; Hildebrandt, F.; Fuchshuber, A.; Constantinou-Deltas, Constantinos D. (2001)
      Autosomal dominant medullary cystic kidney disease (ADMCKD) is an adult-onset heterogeneous genetic nephropathy characterized by salt wasting and end-stage renal failure. The gene responsible for ADMCKD-1 was mapped on ...
    • Article  

      Novel PKD1 deletions and missense variants in a cohort of Hellenic polycystic kidney disease families 

      Bouba, I.; Koptides, Michael; Mean, R.; Costi, Constantina Eleni; Demetriou, Kyproula; Georgiou, Ioannis A.; Pierides, Alkis M.; Siamopoulos, K.; Constantinou-Deltas, Constantinos D. (2001)
      The autosomal dominant form of polycystic kidney disease is a very frequent genetically heterogeneous inherited condition affecting approximately 1: 1000 individuals of the Caucasian population. The main symptom is the ...
    • Article  

      Patterns of transmitted HIV drug resistance in Europe vary by risk group 

      Frentz, D.; Van De Vijver, D.; Abecasis, A. B.; Albert, Jan; Hamouda, O.; Jørgensen, L.; Kücherer, C.; Struck, D.; Schmit, J. -C; Vercauteren, J.; Åsjö, Birgitta; Balotta, Claudia; Bergin, C.; Beshkov, Danail; Camacho, Ricardo J.; Clotet, B.; Griskevicius, A.; Grossman, Z.; Horban, A.; Kolupajeva, T.; Korn, K.; Kostrikis, Leontios G.; Linka, K. L. M.; Nielsen, C.; Otelea, D.; Paraskevis, Dimitrios N.; Paredes, R.; Poljak, M.; Puchhammer-Stöckl, E.; Sönnerborg, A.; Stanekova, D.; Stanojevic, M.; Vandamme, A. -M; Boucher, C.; Wensing, A. (2014)
      Background: In Europe, a continuous programme (SPREAD) has been in place for ten years to study transmission of drug resistant HIV. We analysed time trends of transmitted drug resistance mutations (TDRM) in relation to the ...
    • Article  

      A polymorphism in the regulatory region of the CC-chemokine receptor 5 gene influences perinatal transmission of human immunodeficiency virus type 1 to African-American infants 

      Deutsch, L.; Kostrikis, Leontios G.; Neumann, A. U.; Thomson, B.; Korber, B. T.; McHardy, P.; Karanicolas, R.; Huang, Y.; Lew, J. F.; McIntosh, K.; Pollack, H.; Borkowsky, W.; Spiegel, H. M. L.; Palumbo, P.; Oleske, J.; Bardeguez, A.; Luzuriaga, K.; Sullivan, J.; Wolinsky, S. M.; Koup, R. A.; Ho, David D.; Moore, J. P. (1999)
      There are natural mutations in the coding and noncoding regions of the human immunodeficiency virus type (HIV-1) CC-chemokine coreceptor 5 (CCR5) and in the related CCR2 protein (the CCR2-64I mutation). Individuals homozygous ...
    • Article  

      Presymptomatic molecular diagnosis of autosomal dominant polycystic kidney disease using PKD1- and PKD2-linked markers in Cypriot families 

      Constantinou-Deltas, Constantinos D.; Christodoulou, Kyproula; Tjakouri, C.; Pierides, Alkis M. (1996)
      Autosomal dominant polycystic kidney disease (ADPKD), is a heterogeneous disorder, primarily characterized by the formation of cysts in the kidneys, and the late development in life of progressive chronic kidney failure. ...
    • Article  

      Prevalence of genetic mutations that predispose to thrombophilia in a Greek Cypriot population 

      Angelopoulou, Katerina; Nicolaïdes, Andrew N.; Constantinou-Deltas, Constantinos D. (2000)
      Several hereditary disorders, particularly those affecting the physiological anticoagulation systems, have been well established as risk factors for venous thromboembolism. In the present study, we investigated the prevalence ...
    • Article  

      Primary resistance to integrase strand-transfer inhibitors in Europe 

      Moutschen, M.; Casadellà, M.; van Ham, P. M.; Noguera-Julian, M.; van Kessel, A.; Pou, C.; Hofstra, Laura Marije Arije; Santos, J. R.; Garcia, F.; Struck, D.; Alexiev, Ivailo; Bakken Kran, A. M.; Hoepelman, A. I.; Kostrikis, Leontios G.; Somogyi, Sybille; Liitsola, K.; Linka, M.; Nielsen, C.; Otelea, D.; Paraskevis, Dimitrios N.; Poljak, M.; Puchhammer-Stöckl, E.; Staneková, D.; Stanojevic, M.; Van Laethem, K.; Zidovec Lepej, S.; Clotet, B.; Boucher, C. A. B.; Paredes, R.; Wensing, A. M. J.; Puchhammer-Stöckl, E.; Sarcletti, M.; Schmied, B.; Geit, M.; Balluch, G.; Vandamme, A. M.; Vercauteren, J.; Derdelinckx, I.; Sasse, A.; Bogaert, M.; Ceunen, H.; De Roo, A.; De Wit, S.; Echahidi, F.; Fransen, K.; Goffard, J. C.; Goubau, P.; Goudeseune, E.; Yombi, J. C.; Lacor, P.; Liesnard, C.; Pierard, D.; Rens, R.; Schrooten, Y.; Vaira, D.; Vandekerckhove, L. P.; Van den Heuvel, A.; Van Der Gucht, B.; Van Ranst, M.; Van Wijngaerden, E.; Vandercam, B.; Vekemans, M.; Verhofstede, C.; Clumeck, N.; Van Laethem, K.; Beshkov, Danail; Alexiev, Ivailo; Zidovec Lepej, S.; Begovac, J.; Demetriades, Ioannis; Kousiappa, Ioanna; Demetriou, Victoria L.; Hezka, Johana; Linka, M.; Machala, L.; Maly, M.; Nielsen, C.; Jørgensen, L. B.; Gerstoft, J.; Mathiesen, L.; Pedersen, C.; Nielsen, H.; Laursen, A.; Kvinesdal, B.; Liitsola, K.; Ristola, M.; Suni, J.; Sutinen, J.; Hamouda, O.; Kücherer, C.; Berg, T.; Braun, P.; Poggensee, G.; Däumer, M.; Eberle, J.; Heiken, H.; Kaiser, R.; Knechten, H.; Korn, K.; Müller, H.; Neifer, S.; Schmidt, B.; Walter, H.; Gunsenheimer-Bartmeyer, B.; Harrer, T.; Paraskevis, Dimitrios N.; Hatzakis, Angelos E.; Magiorkinis, Emmanouil N.; Hatzitheodorou, Eleni; Haida, Catherine; Zavitsanou, Assimina; Magiorkinis, Gkikas; Lazanas, Marios C.; Chini, Maria C.; Magafas, N.; Tsogas, Nickolaos; Paparizos, Vassilios A.; Kourkounti, Sofia; Antoniadou, Anastasia C.; Papadopoulos, Antonios I.; Panagopoulos, Periklis; Poulakou, Garyphallia G.; Sakka, V.; Chryssos, Georgios; Drimis, Stylianos; Gargalianos, Panagiotis; Lelekis, Moyssis I.; Chilomenos, G.; Psichogiou, Mina A.; Daikos, George L.; Sabatakou, H.; Panos, George; Haratsis, G.; Kordossis, Theodore; Kontos, Athanasios N.; Koratzanis, Georgios; Theodoridou, Maria C.; Mostrou, Glykeria J.; Spoulou, Vana I.; Schmit, J. C.; Struck, D.; Hemmer, R.; Arendt, V.; Staub, T.; Schneider, F.; Roman, F.; Wensing, A. M.; Boucher, C. A.; van de Vijver, D. A.; van Kessel, A.; van, P. H.; Brinkman, K.; Op de, E. L.; van der Ende, M. E.; Hoepelman, I. M.; van Kasteren, M.; Juttmann, J.; Kuipers, M.; Langebeek, N.; Richter, C.; Santegoets, R. M.; Schrijnders-Gudde, L.; Schuurman, R.; van de Ven, B. J.; Åsjö, Birgitta; Bakken, A. M.; Ormaasen, V.; Aavitsland, P.; Otelea, D.; Paraschiv, S.; Tudor, A. M.; Jevtovic, D.; Salemovic, D.; Stanekova, D.; Habekova, M.; Mokráš, Miloš; Truska, P.; Poljak, M.; Lunar, M.; Babic, Dunja Z.; Tomazic, J.; Vidmar, L.; Vovko, T.; Karner, P.; Clotet, B.; Garcia, F.; Domingo, P.; Galindo, M. J.; Miralles, C.; Del, M. A.; Ribera, E.; Iribarren, J. A.; Ruiz, L.; de la Torre, J.; Vidal, F.; Garcia, F.; Paredes, R. (2015)
      Objectives: The objective of this study was to define the natural genotypic variation of the HIV-1 integrase gene across Europe for epidemiological surveillance of integrase strand-transfer inhibitor (InSTI) resistance. ...
    • Article  

      Quantitation of human immunodeficiency virus type 1 DNA forms with the second template switch in peripheral blood cells predicts disease progression independently of plasma RNA load 

      Kostrikis, Leontios G.; Touloumi, G.; Karanicolas, R.; Pantazis, N.; Anastassopoulou, C. G.; Karafoulidou, A.; Goedert, J. J.; Hatzakis, Angelos E. (2002)
      There are several forms of human immunodeficiency virus type 1 (HIV-1) DNA in peripheral blood T cells and lymph nodes in untreated HIV-1-infected individuals and in patients whose plasma HIV-1 RNA levels are suppressed ...
    • Article  

      Recent thymic emigrants and prognosis in T- and B-cell childhood hematopoietic malignancies 

      Petridou, E.; Klimentopoulou, A. E.; Moustaki, M.; Kostrikis, Leontios G.; Hatzakis, Angelos E.; Trichopoulos, D. (2002)
      The concentration of T-cell receptor rearrangement excision DNA circles (TRECs) in peripheral blood mononuclear cells (PBMCs) is currently known to be a marker of recent thymic emigrants. We evaluated the hypothesis that ...
    • Article  

      Serum total homocysteine, folate, 5,10-methylenetetrahydrofolate reductase (MTHFR) 677C→T genotype and subclinical atherosclerosis 

      Panayiotou, Antonia; Nicolaïdes, Andrew N.; Griffin, Maura B.; Tyllis, Theodosis K.; Georgiou, Niki; Martin, R. M.; Bond, Dawn; Tziakouri-Shiakalli, C.; Fessas, Charris H.; Constantinou-Deltas, Constantinos D. (2009)
      Objective : To determine the relationship of serum total homocysteine (tHcy), serum folate and 5,10-methylenetetrahydrofolate reductase (MTHFR) 677C→T genotype with ultrasonic arterial wall measurements associated with ...
    • Article  

      Short communication: Molecular epidemiology of HIV type 1 infection in northern Greece (2009-2010): Evidence of a transmission cluster of HIV Type 1 Subtype A1 drug-resistant strains among men who have sex with men 

      Antoniadou, Zoi Anna; Kousiappa, Ioanna; Skoura, Lemonia G.; Pilalas, Dimitrios; Metallidis, Simeon A.; Nicolaidis, Pavlos; Malisiovas, Nikolaos; Kostrikis, Leontios G. (2014)
      A prospective molecular epidemiology study of HIV-1 infection was conducted in newly diagnosed and antiretroviral-naive patients in Northern Greece between 2009 and 2010 using a predefined enrolling strategy. Phylogenetic ...
    • Article  

      Snakes based segmentation of the common carotid artery intima media 

      Loizou, Christos P.; Pattichis, Constantinos S.; Pantzaris, Marios C.; Tyllis, Theodosis K.; Nicolaïdes, Andrew N. (2007)
      Ultrasound measurements of the human carotid artery walls are conventionally obtained by manually tracing interfaces between tissue layers. In this study we present a snakes segmentation technique for detecting the ...