Search Results - "Claassen, I.J.T.M."

Correlation of haemagglutinin-neuraminidase and fusion protein content with protective antibody response after immunisation with inactivated Newcastle disease vaccines by Maas, R.A., Komen, M., van Diepen, M., Oei, H.L., Claassen, I.J.T.M.

“…The correlation between the antigen content of inactivated Newcastle disease (ND) oil emulsion–vaccines and the serological response after immunisation was…”
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Antibody response and risk factors for seropositvity in backyard poultry following mass vaccination against highly pathogenic avian influenza and Newcastle disease in Indonesia by McLaws, M, Priyono, W, Bett, B, Al-Qamar, S, Claassen, I.J.T.M, Widiastuti, T, Poole, J, Schoonman, L, Jost, C, Mariner, J

“…A large-scale mass vaccination campaign was carried out in Java, Indonesia in an attempt to control outbreaks of highly pathogenic avian influenza (HPAI) in…”
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Silent spread of highly pathogenic Avian Influenza H5N1 virus amongst vaccinated commercial layers by Poetri, Okti Nadia, Van Boven, Michiel, Claassen, Ivo, Koch, Guus, Wibawan, I.Wayan, Stegeman, Arjan, Van den Broek, Jan, Bouma, Annemarie

“…The aim of this study was to determine whether a single vaccination of commercial layer type chickens with an inactivated vaccine containing highly pathogenic…”
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single vaccination of commercial broilers does not reduce transmission of H5N1 highly pathogenic avian influenza by Poetri, Okti, Bouma, Annemarie, Claassen, Ivo, Koch, Guus, Soejoedono, Retno, Stegeman, Arjan, van Boven, Michiel

“…Vaccination of chickens has become routine practice in Asian countries in which H5N1 highly pathogenic avian influenza (HPAI) is endemically present. This…”
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An inactivated H5N2 vaccine reduces transmission of highly pathogenic H5N1 avian influenza virus among native chickens by Poetri, O.N, Bouma, A, Murtini, Sri, Claassen, I, Koch, G, Soejoedono, Retno D, Stegeman, J.A, van Boven, M

“…Abstract Vaccination against H5N1 highly pathogenic avian influenza in endemically affected areas is a potentially attractive option for local prevention and…”
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Replacement of primary chicken embryonic fibroblasts (CEF) by the DF-1 cell line for detection of avian leucosis viruses by Maas, Riks, van Zoelen, Diana, Oei, Hok, Claassen, Ivo

“…International regulations prescribe that the absence of avian leucosis viruses (ALV) in avian live virus vaccines has to be demonstrated. Primary chicken…”
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Quantification of infectious bursal disease viral proteins 2 and 3 in inactivated vaccines as an indicator of serological response and measure of potency by Maas, R, Venema, S, Kant, A, Oei, H, Claassen, I

“…Viral protein 2 and viral protein 3 (VP2 and VP3) were quantified in a series of inactivated infectious bursal disease oil emulsion vaccines using…”
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Antigen detection in vivo after immunization with different presentation forms of rabies virus antigen, II. Cellular, but not humoral, systemic immune responses against rabies virus immune‐stimulating complexes are macrophage dependent by CLAASSEN, OSTERHAUS, POELEN, M., VAN ROOIJEN, N., CLAASSEN

“…In this paper we describe the effect of depletion of splenic macrophages on the uptake, and immune response against, different formulations of rabies virus…”
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Antigen quantification as in vitro alternative for potency testing of inactivated viral poultry vaccines by Maas, R.A, Winter, M.P.M. de, Venema, S, Oei, H.L, Claassen, I.J.T.M

“…Routine batch control of licensed inactivated viral vaccines for poultry usually includes a potency assay as a measure of vaccine efficacy. Potency assays…”
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Modulation of antiviral immune responses by exogenous cytokines: effects of tumour necrosis factor-alpha, interleukin-1 alpha, interleukin-2 and interferon-gamma on the immunogenicity of an inactivated rabies vaccine by Schijns, V.E.C.J, Claassen, I.J.T.M, Vermeulen, A.A, Horzinek, M.C, Osterhaus, A.D.M.E

“…In vivo administration of exogenous cytokines may influence elicited immune responses. and hence may change the efficacy of a vaccine. We investigated the…”
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Risk Assessment on the Carcinogenic Potential of Hybridoma Cell DNA: Implications for Residual Contaminating Cellular DNA in Biological Products by Dortant, P.M., Claassen, I.J.T.M., van Kreyl, C.F., van Steenis, G., Wester, P.W.

“…The aim of this study was to evaluate the possible carcinogenic potential of residual DNA derived from immortalized and possibly tumorigenic cell lines due to…”
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