Πλοήγηση ανά Συγγραφέα "Pliaka, V."

Combined 5 ' UTR RFLP analysis and VP1 sequencing for epidemic investigation of enteroviruses

Kyriakopoulou, Z.; Tsolis, K.; Pliaka, V.; Tsakogiannis, D.; Ruether, I. G. A.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2013)

Enteroviruses, the main cause of aseptic meningitis, consist of 100 serotypes, and many of them have been associated with large outbreaks. In the present study, a comparison of RFLP analysis of the 5' untranslated region ...

Complete genomic characterization of an intertypic Sabin 3/Sabin 2 capsid recombinant

Dedepsidis, E.; Pliaka, V.; Kyriakopoulou, Z.; Brakoulias, C.; Levidiotou-Stefanou, S.; Pratti, A.; Mamuris, Z.; Markoulatos, P. (2008)

The genetic properties of strain K/2002, isolated from fecal samples of a 7-month-old child who had received his first oral poliovirus vaccine (OPV) dose at the age of 3 months, are described. Preliminary sequencing ...

Complete nucleotide sequence analysis of the VP1 genomic region of Echoviruses 6 isolated from sewage in Greece revealed 98% similarity with Echoviruses 6 that were characterized from an aseptic meningitis outbreak 1 year later

Kyriakopoulou, Z.; Dedepsidis, E.; Pliaka, V.; Tsakogiannis, D.; Ruether, I. G. A.; Krikelis, A.; Markoulatos, P. (2011)

The molecular characterization of two enterovirus strains (LR51A5 and LR61G3) isolated from the sewage treatment plant unit in Larissa, Greece, in May and June 2006 and the investigation of their relationship with enteroviruses ...

Correlation between recombination junctions and RNA secondary structure elements in poliovirus Sabin strains

Dedepsidis, E.; Kyriakopoulou, Z.; Pliaka, V.; Markoulatos, P. (2010)

In order to test the hypothesis that RNA structural elements promote the distribution of certain types of recombination junctions in each one of the 2C and 3D poliovirus genomic regions (Sabin 3/Sabin 2 or Sabin 1 in 2C ...

Correlation of mutations and recombination with growth kinetics of poliovirus vaccine strains

Pliaka, V.; Kyriakopoulou, Z.; Tsakogiannis, D.; Ruether, I. G. A.; Gartzonika, C.; Levidiotou-Stefanou, S.; Krikelis, A.; Markoulatos, P. (2010)

Attenuated strains of Sabin poliovirus vaccine replicate in the human gut and, in rare cases, may cause vaccine-associated paralytic poliomyelitis (VAPP). The genetic instability of Sabin strains constitutes one of the ...

Determination of antigenic properties of vaccine derived poliovirus strains

Pliaka, V.; Achilleos, C.; Kyriakopoulou, Z.; Tsakogiannis, D.; Ruether, I. G. A.; Gartzonica, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2010)

In this study, the immunity level of the southern Greek population in the 1-10-year, 11-20-year, 21-30-year and 31-40-year age groups with regard to Sabin vaccine strains and a collection of 11 recombinant and three ...

Direct extraction and molecular characterization of enteroviruses genomes from human faecal samples

Bolanaki, E.; Kottaridi, C.; Dedepsidis, E.; Kyriakopoulou, Z.; Pliaka, V.; Pratti, A.; Levidiotou-Stefanou, S.; Markoulatos, P. (2008)

Routine diagnosis of acute flaccid paralysis (AFP) is still based on classical virological procedures. Several enteroviruses serotypes are not easily isolated in cell cultures system used and routinely more than one passage ...

Full-Genome Sequence Analysis of a Multirecombinant Echovirus 3 Strain Isolated from Sewage in Greece

Kyriakopoulou, Z.; Dedepsidis, E.; Pliaka, V.; Tsakogiannis, D.; Pratti, A.; Levidiotou-Stefanou, S.; Markoulatos, P. (2010)

An echovirus 3 (Echo3) strain (strain LR31G7) was isolated from a sewage treatment plant in Greece in 2005. Full-genome molecular, phylogenetic, and SimPlot analyses were conducted in order to reveal the evolutionary ...

Genome analysis of two type 6 echovirus (E6) strains recovered from sewage specimens in Greece in 2006

Kyriakopoulou, Z.; Pliaka, V.; Tsakogiannis, D.; Ruether, I. G. A.; Komiotis, D.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2012)

Echovirus 6 (E6) is one of the main enteroviral serotypes that was isolated from cases of aseptic meningitis and encephalitis during the last years in Greece. Two E6 (LR51A5 and LR61G3) were isolated from the sewage treatment ...

Growth kinetic analysis of bi-recombinant poliovirus vaccine strains

Pliaka, V.; Dedepsidis, E.; Kyriakopoulou, Z.; Papadi, G.; Tsakogiannis, D.; Pratti, A.; Levidiotou-Stefanou, S.; Markoulatos, P. (2010)

Attenuated strains of Sabin poliovirus vaccine replicate in the human gut and in rare cases may cause vaccine-associated paralytic poliomyelitis (VAPP). Mutations at specific sites of the genome and recombination between ...

Modeling of signaling pathways in chondrocytes based on phosphoproteomic and cytokine release data

Melas, I. N.; Chairakaki, A. D.; Chatzopoulou, E. I.; Messinis, D. E.; Katopodi, T.; Pliaka, V.; Samara, S.; Mitsos, A.; Dailiana, Z.; Kollia, P.; Alexopoulos, L. G. (2014)

Objective: Chondrocyte signaling is widely identified as a key component in cartilage homeostasis. Dysregulations of the signaling processes in chondrocytes often result in degenerative diseases of the tissue. Traditionally, ...

Molecular and phylogenetic analysis of the HPV 16 E4 gene in cervical lesions from women in Greece

Tsakogiannis, D.; Ruether, I. G. A.; Kyriakopoulou, Z.; Pliaka, V.; Skordas, V.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2012)

The HPV16 E1(a )E4 protein is thought to contribute to the release of newly formed viral particles from infected epithelia. In order to investigate amino acid mutations in the HPV16 E1(a )E4 protein, the complete E4 ORF ...

Molecular characterization of a new intergenotype Norovirus GII recombinant

Ruether, I. G. A.; Tsakogiannis, D.; Pliaka, V.; Kyriakopoulou, Z.; Krikelis, A.; Gartzonika, C.; Leveidiotou-Stefanou, S.; Markoulatos, P. (2012)

Human noroviruses (NoVs) of the Caliciviridae family are a major cause of epidemic gastroenteritis. The NoV genus is genetically diverse and recombination of viral RNA is known to depend upon various immunological and ...

Molecular identification and full genome analysis of an echovirus 7 strain isolated from the environment in Greece

Kyriakopoulou, Z.; Dedepsidis, E.; Pliaka, V.; Mastorakos, P.; Stamati, A.; Pratti, A.; Levidiotou-Stefanou, S.; Markoulatos, P. (2010)

Two enteroviruses from river water and four from sewage treatment plant were isolated in Larissa, Greece, that all shared the same sequence. A full genome analysis was conducted in an attempt to reveal the evolutionary ...

A new RT-PCR assay for the identification of the predominant recombination types in 2C and 3D genomic regions of vaccine-derived poliovirus strains

Pliaka, V.; Dedepsidis, E.; Kyriakopoulou, Z.; Mpirli, K.; Tsakogiannis, D.; Pratti, A.; Levidiotou-Stefanou, S.; Markoulatos, P. (2010)

In the post-eradication era of wild polioviruses, the only remaining sources of poliovirus infection worldwide would be the vaccine-derived polioviruses (VDPVs). As the preponderance of countries certified to be polio-free ...

PCR assays for the identification of rare recombination types from VP1 to 3D genomic region of vaccine derived poliovirus strains

Dimitriou, T. G.; Pliaka, V.; Kyriakopoulou, Z.; Ruether, I. G. A.; Tsakogiannis, D.; Fountoucidou, P.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2014)

Poliomyelitis has been effectively controlled by the use of inactivated poliovirus vaccine (IPV) or trivalent live attenuated oral poliovirus vaccine (OPV). Since 1964, the use of OPV in mass vaccinations has resulted in ...

Recombination among human non-polio enteroviruses: implications for epidemiology and evolution

Kyriakopoulou, Z.; Pliaka, V.; Amoutzias, G. D.; Markoulatos, P. (2015)

Human enteroviruses (EV) belong to the Picornaviridae family and are among the most common viruses infecting humans. They consist of up to 100 immunologically and genetically distinct types: polioviruses, coxsackieviruses ...

Retrospective characterization of a vaccine-derived poliovirus type 1 isolate from sewage in greece

Dedepsidis, E.; Kyriakopoulou, Z.; Pliaka, V.; Kottaridi, C.; Bolanaki, E.; Levidiotou-Stefanou, S.; Komiotis, D.; Markoulatos, P. (2007)

Retrospective molecular and phenotypic characterization of a vaccine-derived poliovirus (VDPV) type 1 isolate (7/b/97) isolated from sewage in Athens, Greece, in 1997 is reported. VP1 sequencing of this isolate revealed ...

Retrospective molecular and phenotypic analysis of poliovirus vaccine strains isolated in Greece

Pliaka, V.; Filliponi, M. E.; Kyriakopoulou, Z.; Ruether, I. G. A.; Tsakogiannis, D.; Gartzonika, C.; Levidiotou-Stefanou, S.; Markoulatos, P. (2011)

The live oral poliovirus vaccine (OPV) strains are genetically unstable, causing, in rare cases, vaccine-associated paralytic poliomyelitis. Reversions of the known attenuating mutations in OPV strains and intertypic ...

Risks associated with the use of live-attenuated vaccine poliovirus strains and the strategies for control and eradication of paralytic poliomyelitis

Pliaka, V.; Kyriakopoulou, Z.; Markoulatos, P. (2012)

The Global Polio Eradication Initiative was launched in 1988 with the aim to eliminate paralytic poliomyelitis. Two effective vaccines are available: inactivated polio vaccine (IPV) and oral polio vaccine (OPV). Since 1964, ...