• Article  

      Determining neutralization serotypes of HIV type 1 by neural networks 

      Kostrikis, Leontios G.; Michalopoulou, Z. -H; Cao, Yun Zhen; Moore, J. P.; Ho, David D. (1996)
    • Article  

      Evidence of two distinct subsubtypes within the HIV-1 subtype A radiation 

      Gao, F.; Vidal, N.; Li, Y.; Trask, S. A.; Chen, Y.; Kostrikis, Leontios G.; Ho, David D.; Kim, J.; Oh, M. -D; Choe, K.; Salminen, M.; Robertson, D. L.; Shaw, G. M.; Hahn, B. H.; Peeters, M. (2001)
      Members of HIV-1 group M are responsible for the vast majority of AIDS cases worldwide and have been classified on the basis of their phylogenetic relationships into nine roughly equidistant clades, termed subtypes. Although ...
    • Article  

      Genetic analysis of HIV type 1 strains from newly infected untreated patients in cyprus: high genetic diversity and low prevalence of drug resistance. 

      Kousiappa, Ioanna; van de Vijver, D. A.; Demetriades, Ioannis; Kostrikis, Leontios G. (2009)
      Abstract The molecular epidemiology of HIV-1 infection was first studied in Cyprus in the mid-1990s, but the extent of HIV-1 diversity and the prevalence of drug resistance have remained elusive. In an effort to address ...
    • Article  

      Genetic analysis of human immunodeficiency virus type 1 strains from patients in cyprus: Identification of a new subtype designated subtype I 

      Kostrikis, Leontios G.; Bagdades, Evis K.; Cao, Yun Zhen; Zhang, Lin Qi; Dimitriou, D.; Ho, David D. (1995)
      DNA sequences encoding the C2 to V3 region of envelope glycoprotein gp120 of human immunodeficiency virus type 1 (HIV-1) were amplified by PCR from uncultured peripheral blood mononuclear cells obtained from 24 of 25 HIV-1- ...
    • Article  

      Genetic analysis of human immunodeficiency virus type 1 strains in Kenya: A comparison using phylogenetic analysis and a combinatorial melting assay 

      Robbins, K. E.; Kostrikis, Leontios G.; Brown, T. M.; Anzala, O.; Shin, S.; Plummer, F. A.; Kalish, M. L. (1999)
      We surveyed human immunodeficiency virus (HIV) subtype distribution from peripheral blood mononuclear cells (PBMCs) collected in 1995 from 24 HIV-1- infected Kenyan residents (specimens from predominantly male truck drivers ...
    • Article  

      Global dispersal pattern of HIV type 1 subtype CRF01-AE: A genetic trace of human mobility related to heterosexual sexual activities centralized in southeast Asia 

      Angelis, Konstantinos; Albert, Jan; Mamais, Ioannis A.; Magiorkinis, Gkikas; Hatzakis, Angelos E.; Hamouda, O.; Struck, D.; Vercauteren, J.; Wensing, A. M. J.; Alexiev, Ivailo; Åsjö, Birgitta; Balotta, Claudia; Camacho, Ricardo J.; Coughlan, S.; Griskevicius, A.; Grossman, Z.; Horban, A.; Kostrikis, Leontios G.; Lepej, S.; Liitsola, K.; Linka, M.; Nielsen, C.; Otelea, D.; Paredes, R.; Poljak, M.; Puchhammer-Stöckl, E.; Schmit, J. -C; Sönnerborg, A.; Staneková, D.; Stanojevic, M.; Boucher, C. A. B.; Kaplan, L.; Vandamme, A. -M; Paraskevis, Dimitrios N. (2015)
      Background. Human immunodeficiency virus type 1 (HIV-1) subtype CRF01-AE originated in Africa and then passed to Thailand, where it established a major epidemic. Despite the global presence of CRF01-AE, little is known ...
    • Article  

      Hepatitis C infection among intravenous drug users attending therapy programs in Cyprus 

      Demetriou, Victoria L.; Van De Vijver, D. A. M. C.; Hezka, Johana; Kostrikis, Leontios G.; Savvopoulou, Natasa; Georgiades, Neoklis; Charilaou, Charis C.; Argyriou, Argyris; Pavlou, Tina; Platritis, Kyriakos; Veresies, Kyriakos L. (2010)
      The most high-risk population for HCV transmission worldwide today are intravenous drug users. HCV genotypes in the general population in Cyprus demonstrate a polyphyletic infection and include subtypes associated with ...
    • Article  

      An isolate of human immunodeficiency virus type 1 originally classified as subtype I represents a complex mosaic comprising three different group M subtypes (A, G, and I) 

      Gao, F.; Robertson, D. L.; Carruthers, C. D.; Li, Y.; Bailes, E.; Kostrikis, Leontios G.; Salminen, M. O.; Bibollet-Ruche, F.; Peeters, M.; Ho, David D.; Shaw, G. M.; Sharp, P. M.; Hahn, B. H. (1998)
      Full-length reference clones and sequences are currently available for eight human immunodeficiency virus type 1 (HIV-1) group M subtypes (A through H), but none have been reported for subtypes I and J, which have only ...
    • Article  

      Limited cross-border infections in patients newly diagnosed with HIV in Europe 

      Moutschen, M.; Frentz, D.; Wensing, A. M. J.; Albert, Jan; Paraskevis, Dimitrios N.; Abecasis, A. B.; Hamouda, O.; Jørgensen, L. B.; Kücherer, C.; Struck, D.; Schmit, J. -C; Åsjö, Birgitta; Balotta, Claudia; Beshkov, Danail; Camacho, Ricardo J.; Clotet, B.; Coughlan, S.; De Wit, S.; Griskevicius, A.; Grossman, Z.; Horban, A.; Kolupajeva, T.; Korn, K.; Kostrikis, Leontios G.; Liitsola, K.; Linka, M.; Nielsen, C.; Otelea, D.; Paredes, R.; Poljak, M.; Puchhammer-Stöckl, E.; Sönnerborg, A.; Stanekova, D.; Stanojevic, M.; Vandamme, A. -M; Boucher, C. A. B.; Van de Vijver, D. A. M. C.; 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. R.; 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.; Demetriades, Ioannis; Kousiappa, Ioanna; Demetriou, Victoria L.; Hezka, Johana; Bruckova, M.; Linka, M.; Machala, L.; Nielsen, C.; Jørgensen, L. B.; Gerstoft, J.; Mathiesen, L.; Pedersen, C.; Nielsen, H.; Laursen, A.; Kvinesdal, B.; Salminen, M.; Ristola, M.; Liitsola, K.; Suni, J.; Sutinen, J.; Korn, K.; Kücherer, C.; Berg, T.; Braun, P.; Poggensee, G.; Däumer, M.; Eberle, J.; Hamouda, O.; Heiken, H.; Kaiser, R.; Knechten, H.; 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.; Panos, George; Haratsis, G.; Kordossis, Theodore; Kontos, Athanasios N.; Koratzanis, Georgios; Theodoridou, Maria C.; Mostrou, Glykeria J.; Spoulou, Vana I.; Coughlan, S.; De Gascun, C.; Byrne, C.; Duffy, M.; Bergin, C.; Reidy, D.; Farrell, G.; Lambert, J.; O'Connor, E.; Rochford, A.; Low, J.; Coakely, P.; O'Dea, S.; Hall, W.; Grossman, Z.; Levi, I.; Chemtob, D.; Balotta, Claudia; Franzetti, M.; Lai, A.; Binda, F.; Tramuto, F.; Ciccozzi, M.; Mussini, C.; Angarano, G.; Rezza, G.; Schmit, J. C.; Struck, D.; Hemmer, R.; Arendt, V.; Staub, T.; Schneider, F.; Roman, F.; Wensing, A. M. J.; Boucher, C. A. B.; Van Kessel, A.; van Bentum, P. H. M.; Brinkman, K.; de Coul, E. L.; van der Ende, M. E.; Hoepelman, I. M.; van Kasteren, M.; Juttmann, J.; Kuipers, M.; Langebeek, N.; Richter, C.; Santegoets, R. M. W. J.; Schrijnders-Gudde, L.; Schuurman, R.; van de Ven, B. J. M.; Åsjö, Birgitta; Ormaasen, V.; Aavitsland, P.; Horban, A.; Stanczak, J. J.; Stanczak, G. P.; Firlag-Burkacka, E.; Wiercinska-Drapalo, A.; Jablonowska, E.; Malolepsza, E.; Leszczyszyn-Pynka, M.; Szata, W.; Camacho, Ricardo J.; Palma, C.; Borges, F.; Paixão, T.; Duque, V.; Araújo, F.; 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.; Domingo, P.; Galindo, M. J.; Miralles, C.; del Pozo, M. A.; Ribera, E.; Iribarren, J. A.; Ruiz, L.; de la Torre, J.; Vidal, F.; Garcia, F.; Paredes, R.; Albert, Jan; Heidarian, A.; Aperia-Peipke, K.; Axelsson, M.; Mild, M.; Karlsson, A.; Sönnerborg, A.; Thalme, A.; Navér, L.; Bratt, G.; Karlsson, A.; Blaxhult, A.; Gisslén, M.; Svennerholm, B.; Bergbrant, I.; Björkman, Per; Säll, C.; Mellgren, Å.; Lindholm, A.; Kuylenstierna, N.; Montelius, R.; Azimi, F.; Johansson, B.; Carlsson, M.; Johansson, E.; Ljungberg, B.; Ekvall, H.; Strand, A.; Mäkitalo, S.; öberg, S.; Holmblad, P.; Höfer, M.; Holmberg, H.; Josefson, P.; Ryding, U. (2013)
      Background: International travel plays a role in the spread of HIV-1 across Europe. It is, however, not known whether international travel is more important for spread of the epidemic as compared to endogenous infections ...
    • 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  

      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  

      New miRNA profiles accurately distinguish renal cell carcinomas and upper tract urothelial carcinomas from the normal kidney 

      Zaravinos, Apostolos; Lambrou, George I.; Mourmouras, Nikos; Katafygiotis, Patroklos; Papagregoriou, Gregory N.; Giannikou, Krinio; Delakas, Dimitrios S.; Constantinou-Deltas, Constantinos D. (2014)
      Background: Upper tract urothelial carcinomas (UT-UC) can invade the pelvicalyceal system making differential diagnosis of the various histologically distinct renal cell carcinoma (RCC) subtypes and UT-UC, difficult. Correct ...
    • Article  

      The pathogenic properties of a novel and conserved gene product, KerV, in proteobacteria 

      An, D.; Apidianakis, Yiorgos; Boechat, A. L.; Baldini, R. L.; Goumnerov, B. C.; Rahme, L. G. (2009)
      Identification of novel virulence factors is essential for understanding bacterial pathogenesis and designing antibacterial strategies. In this study, we uncover such a factor, termed KerV, in Proteobacteria. Experiments ...
    • Article  

      Quantitative analysis of serum neutralization of human immunodeficiency virus type 1 from subtypes A, B, C, D, E, F, and I: Lack of direct correlation between neutralization serotypes and genetic subtypes and evidence for prevalent serum-dependent infectivity enhancement 

      Kostrikis, Leontios G.; Cao, Yun Zhen; Ngai, H.; Moore, J. P.; David, D. H. O. (1996)
      Human immunodeficiency virus type 1 (HIV-1) M group strains have been assigned to date to nine distinct genetic subtypes, designated A through I, according to phylogenetic analyses of nucleotide sequences of their env or ...
    • Article  

      Revisiting the saproxylic beetle ‘Propomacrus cypriacus Alexis & Makris, 2002’ (Coleoptera: Euchiridae) using molecular, morphological and ecological data 

      Sfenthourakis, Spyros; Hadjiconstantis, M.; Makris, Constantinos; Dimitriou, Andreas C. (2017)
      Propomacrus cypriacus a saproxylic beetle endemic to Cyprus, was described as a species distinct from P. bimucronatus on the basis of a few morphological characters and has been evaluated as Critically Endangered by IUCN, ...
    • Article  

      Trends and predictors of transmitted drug resistance (TDR) and clusters with TDR in a local Belgian HIV-1 epidemic 

      Pineda-Peña, A. -C; Schrooten, Y.; Vinken, L.; Ferreira, F.; Li, G.; Trovão, N. S.; Khouri, R.; Derdelinckx, I.; De Munter, P.; Kuc̈herer, C.; Kostrikis, Leontios G.; Nielsen, C.; Littsola, K.; Wensing, A.; Stanojevic, M.; Paredes, R.; Balotta, Claudia; Albert, Jan; Boucher, C.; Gomez-Lopez, A.; Van Wijngaerden, E.; Van Ranst, M.; Vercauteren, J.; Vandamme, A. M.; Van Laethem, K. (2014)
      We aimed to study epidemic trends and predictors for transmitted drug resistance (TDR) in our region, its clinical impact and its association with transmission clusters. We included 778 patients from the AIDS Reference ...
    • Article  

      Viral correlates of HIV-1 disease 

      Anastassopoulou, C. G.; Kostrikis, Leontios G. (2005)
      The transmission of HIV and the progression of HIV disease are influenced not only by a large number of human host factors, but also by certain correlates of the ever fluctuating virus quasispecies. The present review ...