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Quantitative Analyses of all Influenza Type A Viral Hemagglutinins and Neuraminidases using Universal Antibodies in Simple Slot Blot Assays
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1Centre for Vaccine Evaluation, Biologics and Genetic Therapies Directorate, HPFB,Health canada, 2National Institute for the Control of Pharmaceutical and Biological Products,The State Food and Drug Administration, Beijing, 3Department of Biochemistry, Microbiology and Immunology,University of Ottawa, 4Microbiology Department, Faculty of Medicine,King Abdulaziz University, 5National Microbiology Laboratory,Public Health Agency of Canada
Chapitres
- 00:05Titre
- 02:15Identification of Hemagglutinin (HA) an Neuraminidase (NA) Conserved Regions
- 03:04Slot Blot Reagent Preparation
- 03:53Preparation of Influenza Vaccine Samples and Reference Standards
- 05:20Assembly of the Bio-Dot SF Microfiltration Apparatus and Sample Blotting
- 08:08Immunoblotting of HA and NA Antigens
- 09:52Slot Blot Density Analysis
- 10:40Universal Antibodies for the Quantification of HA and NA
- 12:10Conclusion
A simple slot blot method was developed for the quantification of influenza viral hemagglutinin and neuraminidase using universal antibodies targeting their most conserved sequences identified through bioinformatics analyses. This innovative approach may provide a useful alternative to quantitative determination of all viral hemagglutinin and neuraminidase.
Tags
Quantitative AnalysesInfluenza Type AViral HemagglutininsNeuraminidasesUniversal AntibodiesSimple Slot Blot AssaysSurface ProteinsViral Life CycleProtective Immune ResponsesNeutralizing AntibodiesInfluenza Vaccine Potency MarkerSingle Radial Immunodiffusion (SRID)Subtype-specific AntiseraNew Vaccine ReleaseNA AntigensReagentsAnalytical MethodUniversally Conserved RegionsBioinformatics AnalysesFusion PeptideEnzymatic Active SiteN-terminus
