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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Interferon-Induced Transmembrane Protein-Mediated Inhibition of Host Cell Entry of Ebolaviruses
Journal of Infectious Diseases, Volume 212, Year 2015
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Description
Ebolaviruses are highly pathogenic in humans and nonhuman primates and pose a severe threat to public health. The interferon-induced transmembrane (IFITM) proteins can restrict entry of ebolaviruses, influenza A viruses, and other enveloped viruses. However, the breadth and mechanism of the antiviral activity of IFITM proteins are incompletely understood. Here, we employed ebolavirus glycoprotein-pseudotyped vectors and ebolavirus-like particles to address this question. We show that IFITM proteins inhibit the cellular entry of diverse ebolaviruses and demonstrate that type I interferon induces IFITM protein expression in macrophages, major viral targets. Moreover, we show that IFITM proteins block entry of influenza A viruses and ebolaviruses by different mechanisms and provide evidence that antibodies and IFITM proteins can synergistically inhibit cellular entry of ebolaviruses. These results provide insights into the role of IFITM proteins in infection by ebolaviruses and suggest a mechanism by which antibodies, though poorly neutralizing in vitro, might contribute to viral control in vivo. © 2015 The Author 2015. Published by Oxford University Press on behalf of the Infectious Diseases Society of America.
Authors & Co-Authors
Lu, Kai
United States, San Francisco
Vitalant Research Institute
Takada, Ayato
Japan, Sapporo
Hokkaido University
Simmons, Graham
United States, San Francisco
Vitalant Research Institute
Pöhlmann, Stefan H.
Germany, Gottingen
Deutsches Primatenzentrum
Statistics
Citations: 50
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1093/infdis/jiv255
ISSN:
00221899