Πλοήγηση ανά Θέμα "virus antibody"

Antibody titers after a third dose of the SARS-CoV-2 BNT162b2 vaccine in immunocompromised adults in Greece: Is a fourth dose necessary?

Kontopoulou K., Nakas C.T., Belai C., Papazisis G. (2022)

Real-world data suggest that protection against COVID-19 declines a few months after vaccination, particularly in the elderly and immunocompromised individuals. Our study aimed to analyze the humoral response induced by a ...

A comprehensive analysis of antigen-specific antibody responses against human cytomegalovirus in patients with systemic sclerosis

Efthymiou G., Dardiotis E., Liaskos C., Marou E., Scheper T., Meyer W., Daponte A., Daoussis D., Hadjigeorgiou G., Bogdanos D.P., Sakkas L.I. (2019)

Anti-human cytomegalovirus (HCMV) antibodies are considered triggers of systemic sclerosis (SSc), but such a hypothesis has been assessed in limited sub-dominant epitopes. Our aim was to systematically assess the potential ...

Defining antibody seroprevalence and duration of humoral responses to sars-cov-2 infection and/or vaccination in a greek community

Kotsiou O.S., Papagiannis D., Fradelos E.C., Siachpazidou D.I., Perlepe G., Miziou A., Kyritsis A., Vavougios G.D., Kalantzis G., Gourgoulianis K.I. (2022)

Background: In this work we aimed to evaluate antibody-response longevity to SARS-CoV-2 infection and/or vaccination in one of the Greek communities that was worst hit by the pandemic, Deskati, five months after a previous ...

Diagnostic Accuracy Estimates for COVID-19 Real-Time Polymerase Chain Reaction and Lateral Flow Immunoassay Tests With Bayesian Latent-Class Models

Kostoulas P., Eusebi P., Hartnack S. (2021)

Our objective was to estimate the diagnostic accuracy of real-time polymerase chain reaction (RT-PCR) and lateral flow immunoassay (LFIA) tests for coronavirus disease 2019 (COVID-19), depending on the time after symptom ...

Diagnostic accuracy of ELISA kits for measurement of rabies antibodies

Ling W., Doi S.A.R., Lau C.L., Mills D.J., Kostoulas P., Furuya-Kanamori L. (2021)

[No abstract available]

Do the Kinetics of Antibody Responses Predict Clinical Outcome in Hospitalized Patients With Moderate-to-Severe COVID-19?

Pavlidis G., Kampolis C.F., Perlepe G., Pagonis A., Maniotis C., Koullias E., Kranidioti H., Kyritsis A., Pavlou E., Sinis S., Pirounaki M., Vassilopoulos D., Gourgoulianis K., Pantazopoulos I. (2022)

Background/Aim: The relationship between the kinetics of antibody responses to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the severity of Coronavirus Disease 2019 (COVID-19) is poorly understood. The ...

Evaluation of a Direct Immunofluorescent Assay and/or Conjunctival Cytology for Detection of Canine Distemper Virus Antigen

Athanasiou L.V., Kantere M.C., Kyriakis C.S., Pardali D., Adamama Moraitou K., Polizopoulou Z.S. (2018)

Canine distemper is a common and potentially lethal multisystemic disease caused by the Canine distemper virus (CDV). We evaluated the diagnostic performance of direct immunofluorescent assay (FA) and cytology to detect ...

Evaluation of Two Chemiluminescent and Three ELISA Immunoassays for the Detection of SARS-CoV-2 IgG Antibodies: Implications for Disease Diagnosis and Patients’ Management

Speletas M., Kyritsi M.A., Vontas A., Theodoridou A., Chrysanthidis T., Hatzianastasiou S., Petinaki E., Hadjichristodoulou C., the COGESE study group (2020)

The estimation of anti-SARS-CoV-2 IgG antibodies is possibly the best approach to accurately establish the number of infected individuals and the seroprevalence of COVID-19 within a population. Thus, several commercial ...

Field evaluation of a live vaccine against porcine reproductive and respiratory syndrome in fattening pigs

Mavromatis, I.; Kritas, S. K.; Alexopoulos, C.; Tsinas, A.; Kyriakis, S. C. (1999)

A live vaccine based on a European isolate of porcine reproductive and respiratory syndrome virus (Porcilis PRRS) was tested in this study in order to determine the protection of fattening pigs against the respiratory form ...

Heterologous Challenge with PRRSV-1 MLV in Pregnant Vaccinated Gilts: Potential Risk on Health and Immunity of Piglets

Papakonstantinou G., Meletis E., Christodoulopoulos G., Tzika E.D., Kostoulas P., Papatsiros V.G. (2022)

The objective of the present study was to evaluate the potential risks of the four commercial PRRS-1 MLV vaccines in pregnant vaccinated gilts at the last stage of gestation under field conditions. The study was conducted ...

Human cytomegalovirus (HCMV) UL44 and UL57 specific antibody responses in anti-HCMV-positive patients with systemic sclerosis

Marou E., Liaskos C., Simopoulou T., Efthymiou G., Dardiotis E., Katsiari C., Scheper T., Meyer W., Hadjigeorgiou G., Bogdanos D.P., Sakkas L.I. (2017)

The role of human cytomegalovirus (HCMV) has been postulated as a trigger of systemic sclerosis (SSc). The aim of the study was to assess the prevalence of antibodies against HCMV UL44 and UL57 antigens not tested in the ...

Human T-lymphotropic virus type I/II infections in volunteer blood donors from Northern and Western Greece: Increased prevalence in one blood bank unit

Zervou, E. K.; Georgiadou, S.; Tzilianos, M.; Georgitsi, P.; Pournara, V.; Nousis, S.; Pappas, C.; Daskalou, L.; Vrettou, A.; Karabini, F.; Dalekos, G. N. (2004)

Blood donors are routinely screened for antibodies to human T-cell lymphotropic viruses type I and II (HTLV-I and HTLV-II) in the United States, Canada, Japan, and some European countries. Previous reports from our group ...

Investigation of Fas (APO-1)-Related Apoptosis in Piglets Intradermally or Intramuscularly Vaccinated with a Commercial PRRSV MLV

Maragkakis G., Korou L.-M., Chaintoutis S.C., Christodoulopoulos G., Dovas C.I., Perrea D., Athanasiou L.V., Konstantopoulos P., Maes D., Papatsiros V.G. (2022)

Porcine reproductive and respiratory syndrome virus (PRRSV) induces apoptosis through the activation of death receptors, including cell-surface Fas receptor. The aim of this study was to investigate the impact of intradermal ...

Low prevalence of HCV, HIV, and HTLV-I/II infection markers in northwestern Greece: Results of a 3-year prospective donor study (1995-1997)

Zervou, E. K.; Boumba, D. S.; Liaskos, Ch; Georgiadou, S.; Tsianos, E. V.; Dalekos, G. N. (2003)

Background: The risk of infection with transfusion-transmitted viruses has been reduced remarkably. A zero-risk blood supply, however, remains a popular goal. A 3-year prospective donor study was conducted in the Epirus ...

Lymph Node Cellular Dynamics in Cancer and HIV: What Can We Learn for the Follicular CD4 (Tfh) Cells?

Poultsidi A., Dimopoulos Y., He T.-F., Chavakis T., Saloustros E., Lee P.P., Petrovas C. (2018)

Lymph nodes (LNs) are central in the generation of adaptive immune responses. Follicular helper CD4 T (Tfh) cells, a highly differentiated CD4 population, provide critical help for the development of antigen-specific B ...

Nicotinic cholinergic system and COVID-19: In silico identification of interactions between α7 nicotinic acetylcholine receptor and the cryptic epitopes of SARS-Co-V and SARS-CoV-2 Spike glycoproteins

Lagoumintzis G., Chasapis C.T., Alexandris N., Kouretas D., Tzartos S., Eliopoulos E., Farsalinos K., Poulas K. (2021)

SARS-CoV-2 is the coronavirus that originated in Wuhan in December 2019 and has spread globally. Studies have shown that smokers are less likely to be diagnosed with or be hospitalized for COVID-19 but, once hospitalized, ...

Occurrence and Associated Risk Factors of Porcine Reproductive and Respiratory Syndrome Virus and Porcine Circovirus Type 2 Infections in Greece

Papatsiros V.G., Papakonstantinou G., Meletis E., Tsekouras N., Maragkakis G., Bitchava D., Kostoulas P. (2022)

The objective of the present study was to identify factors associated with the probability of being polymerase chain reaction (PCR) positive and the level of porcine reproductive and respiratory syndrome virus (PRRSV), ...

A prospective epidemiological, clinical, and clinicopathologic study of feline leukemia virus and feline immunodeficiency virus infection in 435 cats from Greece

Kokkinaki K.G., Saridomichelakis M.N., Leontides L., Mylonakis M.E., Konstantinidis A.O., Steiner J.M., Suchodolski J.S., Xenoulis P.G. (2021)

Feline leukemia virus (FeLV) and feline immunodeficiency virus (FIV) are retroviruses causing significant morbidity and mortality in cats. The aim of this study was to describe the epidemiological, clinical and clinicopathologic ...

Reemergence of west nile virus infections in Southern Greece, 2017

Mavrouli M., Vrioni G., Kapsimali V., Tsiamis C., Mavroulis S., Pervanidou D., Billinis C., Hadjichristodoulou C., Tsakris A. (2019)

Greece experienced the largest European West Nile virus (WNV) outbreak in 2010 since the 1996 Romania epidemic. West Nile virus reemerged in southern Greece during 2017, after a 2-year hiatus of recorded human cases, and ...

Repeated leftover serosurvey of SARS-CoV-2 IgG antibodies, Greece, March and April 2020

Bogogiannidou Z., Vontas A., Dadouli K., Kyritsi M.A., Soteriades S., Nikoulis D.J., Mouchtouri V.Α., Koureas M., Kazakos E.I., Spanos E.G., Gioula G., Ntzani E.E., Eleftheriou A.A., Vatopoulos A., Petinaki E., Papaevangelou V., Speletas M., Tsiodras S., Hadjichristodoulou C. (2020)

[No abstract available]