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A Neospora caninum vaccine using recombinant proteins fails to prevent foetal infection in pregnant cattle after experimental intravenous challenge
Hecker, Yanina Paola; Cóceres, Verónica Mabel; Wilkowsky, Silvina Elizabeth; Jaramillo Ortiz, Jose Manuel; Morrell, Eleonora Lidia; Verna, Andrea Elizabeth; Ganuza, Agustina; Cano, Dora Beatriz; Lischinsky, Lilian Haydee; Ángel, Sergio Oscar; Zamorano, Patricia Ines; Odeon, Anselmo Carlos; Leunda, Maria Rosa; Campero, Carlos Manuel; Morein, Bror; Moore, Prando Dadin (Elsevier, 2014-12-15)The aim of the present study was to evaluate the immunogenicity and protective efficacy of rNcSAG1, rNcHSP20 and rNcGRA7 recombinant proteins formulated with immune stimulating complexes (ISCOMs) in pregnant heifers against ... -
A new method for simultaneous detection and discrimination of Bovine herpesvirus types 1 (BoHV-1) and 5 (BoHV-5) using real time PCR with high resolution melting (HRM) analysis
Marin, Maia Solange; Quintana, Silvina; Leunda, Maria Rosa; Recavarren, Mariana Ines; Pagnuco, Inti Anabela; Spath, Ernesto Juan; Perez, Sandra; Odeon, Anselmo Carlos (Elsevier, 2016-01)Bovine herpesvirus types 1 (BoHV-1) and 5 (BoHV-5) are antigenically and genetically similar. The aim of this study was to develop a simple and reliable one-step real time PCR assay with high resolution melting (HRM) ... -
Characterization of the first bovine gammaherpesvirus 4 strain isolated from an aborted bovine fetus in Argentina
Romeo, Florencia; Manrique, Julieta; Perez, Sandra; Louge Uriarte, Enrique Leopoldo; Marin, Maia Solange; Canton, German Jose; Leunda, Maria Rosa; González Altamiranda, Erika; Pereyra, Susana Beatriz; Spetter, Lucas Maximiliano; Odeon, Anselmo Carlos; Jones, Leandro; Verna, Andrea Elizabeth (Springer Verlag, 2020-01-24)Bovine herpesvirus 4 (BoHV-4) is increasingly believed to be responsible for several disorders of the bovine reproductive tract. The first characterization of BoHV-4 in Argentina was from samples from an aborted fetus. ... -
Comparative study on the in vitro replication and genomic variability of Argentinean field isolates of bovine herpesvirus type 4 (BoHV-4)
Verna, Andrea Elizabeth; Perez, Sandra; Manrique, Julieta Marina; Leunda, Maria Rosa; Odeon, Anselmo Carlos; Jones, Leandro Roberto (2016)Bovine herpesvirus 4 (BoHV-4) is a gammaherpesvirus, belonging to the Rhadinovirus genus, which is increasingly associated with various problems of the reproductive tract of cattle. In Argentina, analysis of BoHV-4 strains ... -
Delayed type hypersensitivity induced by intradermal inoculation of a Neospora caninum tachyzoite antigen in previously exposed cattle
Fiorani, Franco; Armendano, Joaquín Ignacio; Hecker, Yanina Paola; Araoz, Virgina; Canton, German Jose; Leunda, Maria Rosa; Pereyra, Susana Beatriz; Corva, Pablo Marcelo; Odeon, Anselmo Carlos; Moore, Prando Dadin (Elsevier, 2019-01)The aim of this study was to evaluate delayed type hypersensitivity (DTH) induced by the intradermal inoculation of a Neospora caninum tachyzoite soluble lysate in cattle previously exposed with the protozoa. Four experimental ... -
Distribution of bovine alpha-herpesviruses and expression of toll-like receptors in the respiratory system of experimentally infected calves
Marin, Maia Solange; Quintana, Silvina; Leunda, Maria Rosa; Odeon, Anselmo Carlos; Perez, Sandra (Elsevier, 2016-04)This study provides an initial analysis of the toll-like receptors (TLRs) that might be implicated in alpha-herpesvirus infection of the bovine respiratory system. A significant variation in the expression of TLR3 and TLRs ... -
Distribution of bovine herpesvirus type 1 in the nervous system of experimentally infected calves
Marin, Maia Solange; Leunda, Maria Rosa; Verna, Andrea Elizabeth; Morán, Pedro Edgardo; Odeon, Anselmo Carlos; Pérez, Sandra Elizabeth (Elsevier, 2016-03)Bovine herpesvirus type 1 (BoHV-1) is responsible for respiratory and genital disease in cattle. BoHV-1 encephalitis is only occasionally reported. However, several cases of neurological disease have been recently attributed ... -
Effect of dexamethasone in Neospora Caninum seropositive calves
Idarraga Bedoya, Samuel; Armendano, Joaquín Ignacio; Gual, Ignacio; Hecker, Yanina; Leunda, Maria Rosa; Pereyra, Susana Beatriz; Verna, Andrea Elizabeth; Campero, Carlos Manuel; Odeon, Anselmo Carlos; Moore, Prando Dadin (Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-09)The aim of this study was to evaluate the effect of Dexamethasone (DXM) on clinical parameters, absolute and differential leukocyte count, specific IgG titers, IFN-γ production and parasitemia in beef calves seropositive ... -
Experimental inoculation of Neospora caninum in pregnant water buffalo
Konrad, Jose Luis; Moore, Prando Dadin; Crudeli, Gustavo Angel; Caspe, Sergio Gaston; Cano, Dora Beatriz; Leunda, Maria Rosa; Lischinsky, Lilian Haydee; Regidor-Cerrillo, Javier; Odeon, Anselmo Carlos; Ortega-Mora, Luis M.; Echaide, Ignacio Eduardo; Campero, Carlos Manuel (Elsevier, 2012-06-08)The aim of this study was to characterize the pathogenesis of Neospora caninum in experimentally inoculated pregnant water buffalo (Bubalus bubalis). Twelve Mediterranean female water buffaloes ranging in age from 4 to 14 ... -
Genetic characterization of bovine herpesvirus 4 (BoHV-4) isolates from Argentine cattle suggests a complex evolutionary scenario
Perez, Sandra; Manrique, Julieta; Moran, Pedro; Romeo, Florencia; Angelini, Hernán Pablo; Leunda, Maria Rosa; Pereyra, Susana Beatriz; Spetter, Lucas Maximiliano; Gonzalez Altamiranda, Erika; Odeon, Anselmo Carlos; Jones, Leandro; Verna, Andrea Elizabeth (Springer Nature, 2020-04)Bovine herpevsirus 4 (BoHV-4) is a gammaherpesvirus that has been associated with different clinical conditions in cattle. In Argentina, BoHV-4 was detected in diverse bovine samples. The aim of this study was to analyze ... -
Genomic diversity and phylodynamic of bovine viral diarrhea virus in Argentina
Spetter, Lucas Maximiliano; Louge Uriarte, Enrique Leopoldo; Verna, Andrea Elizabeth; Leunda, Maria Rosa; Pereyra, Susana Beatriz; Odeon, Anselmo Carlos; Gonzalez Altamiranda, Erika (Elsevier, 2021-12)Bovine viral diarrhea virus (BVDV) is an important pathogen of ruminants worldwide and is characterized by high genetic diversity and a wide range of clinical presentations. In Argentina, several studies have evaluated the ... -
Immune response and protection provided by live tachyzoites and native antigens from the NC-6 Argentina strain of Neospora caninum in pregnant heifers
Hecker, Yanina Paola; Moore, Prando Dadin; Quattrocchi, Valeria; Regidor-Cerrillo, Javier; Verna, Andrea Elizabeth; Leunda, Maria Rosa; Morrell, Eleonora Lidia; Ortega-Mora, Luis M.; Zamorano, Patricia Ines; Venturini, María Cecilia; Campero, Carlos Manuel (Elsevier, 2013-11)The aim of the present study was to compare the immunogenicity and protective efficacy of live tachyzoites and native antigen extract obtained from the NC-6 Argentina strain against vertical transmission of Neospora caninum, ... -
Immunization with inactivated antigens of Neospora caninum induces tolllike receptors 3, 7, 8 and 9 in maternal-fetal interface of infected pregnant heifers
Marin, Maia Solange; Hecker, Yanina Paola; Quintana, Silvina; Leunda, Maria Rosa; Canton, German Jose; Cobo, Eduardo Rubén; Moore, Prando Dadin; Odeon, Anselmo Carlos; Perez, Sandra (2017)Neospora caninum is an obligate parasite and a major cause of abortion in cattle. Pregnancy failures appear to be associated with weak innate defences on the maternal-fetal interface during infection with N. caninum. Herein, ... -
Interaction of bovine viral diarrhea virus with bovine cumulus–oocyte complex during IVM: Detection in permissive cells
González Altamiranda, Erika Analía; Kaiser, German Gustavo; Rios, Glenda Laura; Leunda, Maria Rosa; Odeon, Anselmo Carlos (Elsevier, 2016-11)Structural changes in the zona pellucida (ZP) of bovine oocytes seem to modulate their interaction with various viral agents, facilitating the viral infection in in vitro production systems. To evaluate the susceptibility ... -
Molecular Characterization of the First Bovine Herpesvirus 4 (BoHV-4) Strains Isolated from In Vitro Bovine Embryos production in Argentina
González Altamiranda, Erika Analía; Manrique, Julieta Marina; Perez, Sandra; Rios, Glenda Laura; Odeon, Anselmo Carlos; Leunda, Maria Rosa; Jones, Leandro Roberto; Verna, Andrea Elizabeth (Plos One, 2015-07-15)Bovine herpesvirus 4 (BoHV-4) is increasingly considered as responsible for various problems of the reproductive tract. The virus infects mainly blood mononuclear cells and displays specific tropism for vascular endothelia, ... -
Neospora caninum NC-6 Argentina induces fetopathy in both serologically positive and negative experimentally inoculated pregnant dams
Bacigalupe, Diana; Basso, W.; Caspe, Sergio Gaston; More, Gastón; Lischinsky, Lilian Haydee; Gos, María Laura; Leunda, Maria Rosa; Campero, Lucía María; Moore, Prando Dadin; Schares, Gereon; Campero, Carlos Manuel; Venturini, María Cecilia (2013-07)Neospora caninum infection is a major cause of abortion in cattle. The objectives of this study were to genetically characterize the N. caninum NC-6 Argentina isolate using a multilocus microsatellite analysis approach and ... -
Parasitemia and Associated Immune Response in Pregnant and Non-Pregnant Beef Cows
Gual, Ignacio; Campero, Lucia Maria; Hecker, Yanina; Regidor-Cerrillo, Javier; Leunda, Maria Rosa; Odeon, Anselmo Carlos; Campero, Carlos Manuel; Torioni, Susana Marta; Echaide, Ignacio Eduardo; Estein, Silvia; Ortega Mora, Luis Miguel; Moore, Prando Dadin (Frontiers Media, 2022-06)The aim of this longitudinal study was to characterize the parasitemia of Neospora caninum and the associated immunological parameters in naturally infected beef cows for 10 months. The following groups were established: ... -
The Neospora caninum-Spain 7 isolate induces placental damage, fetal death and abortion in cattle when inoculated in early gestation
Caspe, Sergio Gaston; Moore, Prando Dadin; Leunda, Maria Rosa; Cano, Dora Beatriz; Lischinsky, Lilian Haydee; Regidor-Cerrillo, Javier; Alvarez-García, Gema; Echaide, Ignacio Eduardo; Bacigalupe, Diana; Ortega-Mora, Luis; Odeon, Anselmo Carlos; Campero, Carlos Manuel (Elsevier, 2012-10)The Nc-Spain 7 isolate of Neospora caninum, which was newly obtained from an asymptomatic congenitally infected calf, demonstrated a similar virulence as Nc-1 strain in mouse models. The aim of this study was to characterize ...