The preclinical testing of a formaldehyde inactivated Ross River virus vaccine designed for use in humans
Autor: | S Schober-Bendixen, Wolfgang Mundt, Friedrich Dorner, Manfred Reiter, Noel Barrett, Helga Savidis-Dacho, John Aaskov, Axel Brühmann, Otfried Kistner |
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Rok vydání: | 2006 |
Předmět: |
Epidemic polyarthritis
medicine.medical_treatment Guinea Pigs Drug Evaluation Preclinical Enzyme-Linked Immunosorbent Assay Viral Plaque Assay Antibodies Viral Neutralization Virus Microbiology Ross River virus Viral Proteins Adjuvants Immunologic Formaldehyde Chlorocebus aethiops medicine Animals Humans Vero Cells 060502 Infectious Agents ihb General Veterinary General Immunology and Microbiology biology Alphavirus Infections Public Health Environmental and Occupational Health Viral Vaccines biology.organism_classification medicine.disease Virology Microscopy Electron Infectious Diseases Immunization Immunoglobulin M Vaccines Inactivated cells and tissue biology.protein Vero cell Molecular Medicine Polyarthritis Electrophoresis Polyacrylamide Gel 060599 Microbiology not elsewhere classified Antibody Vaccine Adjuvant |
Zdroj: | Vaccine |
ISSN: | 0264-410X |
Popis: | Ross River virus was grown in industrial facilities in vaccine-certified Vero cells in the absence of serum, inactivated using standard formalin-inactivation protocols, treated with Benzonase to digest host cell DNA and purified on a sucrose gradient. Mice given two subcutaneous injections of 0.625 microg of this vaccine or two doses of 0.156 microg vaccine with aluminium hydroxide adjuvant failed to develop a detectable viraemia after intravenous challenge with 10(6)TCID50 of the prototype strain of Ross River virus (T48). Guinea pigs immunised with one or two10 microg doses of vaccine with adjuvant also failed to develop a detectable viraemia following a similar challenge. The levels of neutralising antibody (neutralisation index 1.9-3.1) in the mice protected against challenge with 10(6)TCID50 Ross River virus were similar to those in 16 former epidemic polyarthritis patients (1.1-3.5) who had not experienced a second clinical infection with Ross River virus in the 20 years following their initial infection. |
Databáze: | OpenAIRE |
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