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      Mejoramiento de la producción de una vacuna oleosa contra estomatitis vesicular bivalente Translated title: Improvement of oil vesicular stomatitis bivalent vaccine production

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          Abstract

          El presente estudio calculó diferentes MI (Multiplicidad de Infección) para la producción de cultivos industriales de virus de Estomatitis Vesicular (EV) y evaluó el efecto de la cantidad de glicoproteína G en la inducción de respuesta de anticuerpos neutralizantes contra el virus de EV en cobayos inmunizados con una vacuna oleosa bivalente (Indiana (I) y New Jersey (NJ)). Al establecer el MI más eficiente se logró mejorar la cinética de infección de los cultivos industriales disminuyendo los tiempos de cultivo y mejorando los títulos infectantes. Adicionalmente se encontró que títulos de anticuerpos neutralizantes de cobayos inmunizados con vacuna de EV conteniendo aproximadamente 5 microgramos de glicoproteína G de cada serotipo fueron de 3.66 log10 para I y 4.06 log10 para NJ, los cuales se correlacionan con títulos de protección en bovinos. De este estudio se puede concluir que al seleccionar un mejor MI se puede hacer más eficiente el proceso de producción de cultivos virales industriales de EV y que la formulación de una vacuna contra estomatitis vesicular a partir de la cuantificación de la glicoproteína G puede ser una metodología de gran utilidad en la producción industrial de vacunas de buena calidad.

          Translated abstract

          This experiment assess different MI for Vesicular Stomatitis VS virus industrial culture production and evaluated the effect of glycoprotein G concentration in relation to antibodies induction against VS on guinea pigs vaccinated with oil bivalent vaccine (Indiana I and New Jersey NJ). With efficient MI it was possible to get better kinetic of infection at industrial cultures, reducing time of culture and improving viral titers. In addition, it was found that neutralizing titers of guinea pigs immunized with an EV vaccine containing 5 micrograms of glycoprotein G, were 3.66 log10 for I and 4.06 log10 for NJ, which are correlated to protection titers in cattle. About this study can be concluded that selecting a superior MI, efficiency of industrial VE virus production can be improved; on the other hand, glycoprotein G quantification methodology can be useful for a good quality VS Vaccine industrial manufacture.

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          Most cited references33

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          Cleavage of Structural Proteins during the Assembly of the Head of Bacteriophage T4

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            Development and performance of inactivated vaccines against foot and mouth disease.

            The historical background of foot and mouth disease (FMD) vaccine production is briefly described. Improvements achieved through the use of monolayer and suspension cultures are outlined. Elements that are crucial in the production of modern vaccines are discussed, such as inactivation of viral antigen, successive concentration and purification of the antigen and the final formulation of the vaccine. Storage of concentrated antigen at ultra-low temperatures creates greater flexibility for the producer and has also enabled national and international organisations to establish vaccine banks. The purification of FMD viral antigens, including the removal of non-structural proteins (NSPs), enables the immune responses of vaccinated animals to be distinguished from the responses of animals infected with live FMD virus. Consequently, the combined use of purified vaccine and tests for the detection of antibodies against NSPs essentially provides a marker system to distinguish between vaccinated animals that subsequently become infected and those that have not. Bearing in mind the good record of modern vaccines in the control of outbreaks and the possibility of screening vaccinated herds for carriers, the author proposes that the OIE reconsider the differences between the requirements for regaining export status following the use of stamping-out as opposed to vaccination in outbreak situations.
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              The natural history of vesicular stomatitis.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                unsc
                Universitas Scientiarum
                Univ. Sci.
                Facultad de Ciencias de la Pontificia Universidad Javeriana de Bogotá. (Bogotá )
                0122-7483
                January 2008
                : 13
                : 1
                : 33-42
                Affiliations
                [1 ] Pontificia Universidad Javeriana Colombia
                [2 ] Empresa Colombiana de Productos Veterinarios Vecol S.A. Colombia
                Article
                S0122-74832008000100004
                5dcbb3ee-c201-4ad4-98b6-96da2b5a0752

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0122-7483&lng=en
                Categories
                MULTIDISCIPLINARY SCIENCES

                glycoprotein G,Indiana,New Jersey,vesicular stomatitis,vaccine,estomatitis vesicular,glicoproteína G,vacuna

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