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|Title:||The VP1 structural protein of enterovirus 71 interacts with human ornithine decarboxylase and gene trap ankyrin repeat|
Gene trap ankyrin repeat
|Citation:||Yeo, W.M., Chow, V.T.K. (2007). The VP1 structural protein of enterovirus 71 interacts with human ornithine decarboxylase and gene trap ankyrin repeat. Microbial Pathogenesis 42 (4) : 129-137. ScholarBank@NUS Repository. https://doi.org/10.1016/j.micpath.2006.12.002|
|Abstract:||Enterovirus 71 (EV71) is a major etiological agent of hand, foot and mouth disease (HFMD). Several outbreaks in East Asia were associated with neurological complications and numerous deaths. EV71 possesses four structural proteins VP1-VP4 that are necessary in the formation of the pentameric icosahedral capsid. The viral capsid contributes to virulence, and VP1 is a prime target for EV71 vaccine development. Using yeast two-hybrid analysis, we demonstrated binding affinity between VP1 and three human proteins, i.e. ornithine decarboxylase (ODC1), gene trap ankyrin repeat (GTAR), and KIAA0697 expressed in brain tissue. These interactions were authenticated by co-immunoprecipitation experiments, and by indirect immunofluorescent confocal microscopy of transfected and EV71-infected Vero cells. The significant interaction between VP1 and ODC1 may compromise the latter's activity, and interfere with polyamine biosynthesis, growth and proliferation of EV71-infected cells. The interaction between VP1 and GTAR is noteworthy, since ankyrin proteins are associated with certain neural cell adhesion molecules and with the CRASH neurological syndrome. Given that VP1 is synthesized in large amounts during productive infection, these viral-host protein interactions may provide insights into the role of VP1 in the pathogenesis of EV71 disease and its neurological complications such as acute flaccid paralysis and encephalitis. © 2007 Elsevier Ltd. All rights reserved.|
|Source Title:||Microbial Pathogenesis|
|Appears in Collections:||Staff Publications|
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