1 Structural Virology Lecture 10 Pavel Plevka 2 Virus vaccines © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 3 © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 4 Antibody dependent enhancement dengue 5 Antibody dependent enhancement - coronaviruses 6 Smallpox • killed an estimated 400,000 Europeans annually during the 18th century. • was responsible for a third of all blindness. • of those infected, 20–60%— and over 80% of infected children—died • responsible for an estimated 300–500 million deaths during the 20th century © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 7 Vaccine Types • Attenuated viruses • Inactivated viruses • Virion subunits • Recombinant viruses • Virus-like particles • Synthetic peptides • DNA vaccines © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 8 © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 9 © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 10 © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 11 © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 12 13 Learning outcomes • explain how virus diseases are controlled with vaccines • evaluate the types of virus vaccine in medical and veterinary use • evaluate types of virus vaccine that are experi- mental • describe methods used to manufacture virus vaccines • evaluate procedures designed to ensure the safety of virus vaccines 14 Antiviral compounds © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 15 HIV HCV 16 17 18 Picornavirus virion Plevka et al. Science 2012. 1. Genome delivery into cytoplasm Rossmann Prot Sci, 1994 Pocket factor in EV71 Smith TJ, et al. Science, 1986 Inhibition of EV71 by WIN 51711 Plevka et al. PNAS 2013 28 Learning outcomes • evaluate procedures used to develop new antiviral drugs • describe the modes of action of selected antiviral drugs • discuss virus resistance to drugs 29 Prions © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 30 Brain with Scrapie © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 31 Normal and misfolded form of prion © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 32 © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 33 Creutzfeldt-Jacob disease x BSE © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 34 Viroids © 2012 John Wiley & Sons Ltd. www.wiley.com/college/carter 35 Virophage - Sputnik