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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

Publication Detail

Title: Coagulation factor X activates innate immunity to human species C adenovirus.

Authors: Doronin, Konstantin; Flatt, Justin W; Di Paolo, Nelson C; Khare, Reeti; Kalyuzhniy, Oleksandr; Acchione, Mauro; Sumida, John P; Ohto, Umeharu; Shimizu, Toshiyuki; Akashi-Takamura, Sachiko; Miyake, Kensuke; MacDonald, James W; Bammler, Theo K; Beyer, Richard P; Farin, Frederico M; Stewart, Phoebe L; Shayakhmetov, Dmitry M

Published In Science, (2012 Nov 9)

Abstract: Although coagulation factors play a role in host defense for "living fossils" such as horseshoe crabs, the role of the coagulation system in immunity in higher organisms remains unclear. We modeled the interface of human species C adenovirus (HAdv) interaction with coagulation factor X (FX) and introduced a mutation that abrogated formation of the HAdv-FX complex. In vivo genome-wide transcriptional profiling revealed that FX-binding-ablated virus failed to activate a distinct network of nuclear factor κB-dependent early-response genes that are activated by HAdv-FX complex downstream of TLR4/MyD88/TRIF/TRAF6 signaling. Our study implicates host factor "decoration" of the virus as a mechanism to trigger an innate immune sensor that responds to a misplacement of coagulation FX from the blood into intracellular macrophage compartments upon virus entry into the cell.

PubMed ID: 23019612 Exiting the NIEHS site

MeSH Terms: No MeSH terms associated with this publication

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