Alternate mechanisms of initial pattern recognition drive differential immune responses to related poxviruses
O'Gorman, William E.; Sampath, Padma; Simonds, Erin F; Sikorski, Rachel; O'Malley, Mark; Krutzik, Peter O.; Chen, Hannah; Panchanathan, Vijay; Chaudhri, Geeta; Karupiah, Gunasegaran; Lewis, David B.; Thorne, Steve H.; Nolan, Garry P.
Vaccinia immunization was pivotal to successful smallpox eradication. However, the early immune responses that distinguish poxvirus immunization from pathogenic infection remain unknown. To address this, we developed a strategy to map the activation of key signaling networks in vivo and applied this approach to define and compare the earliest signaling events elicited by immunizing (vaccinia) and lethal (ectromelia) poxvirus infections in mice. Vaccinia induced rapid TLR2-dependent responses,...[Show more]
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