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H7N9 Influenza A Virus Exhibits Importin- α7–Mediated Replication in the Mammalian Respiratory Tract
The acute respiratory distress syndrome (ARDS) is the leading cause of death in influenza A virus (IAV) –infected patients. Hereby, the cellular importin-α7 gene plays a major role. It promotes viral replication in the lung, thereby increasing the risk for the development of pneumonia complicated by ARDS. Herein, we analyzed whether the recently emerged H7N9 avian IAV has already adapted to human i mportin-α7 use, which is associated with high-level virus replication in the mammalian lung. Using a cell-based viral polymerase activity assay, we could detect a decreased H7N9 IAV polymerase activity when importin-α7 was silenced by siRNA.
Source: American Journal of Pathology - February 8, 2017 Category: Pathology Authors: Stephanie Bertram, Swantje Thiele, Carola Dreier, Patricia Resa-Infante, Annette Preu ß, Debby van Riel, Chris K.P. Mok, Folker Schwalm, Joseph S.M. Peiris, Hans-Dieter Klenk, Gülsah Gabriel Tags: Regular Article Source Type: research

H7N9 Influenza A Virus Exhibits Importin- α7-Mediated Replication in the Mammalian Respiratory Tract.
H7N9 Influenza A Virus Exhibits Importin-α7-Mediated Replication in the Mammalian Respiratory Tract. Am J Pathol. 2017 Feb 08;: Authors: Bertram S, Thiele S, Dreier C, Resa-Infante P, Preuß A, van Riel D, Mok CK, Schwalm F, Peiris JS, Klenk HD, Gabriel G Abstract The acute respiratory distress syndrome (ARDS) is the leading cause of death in influenza A virus (IAV)-infected patients. Hereby, the cellular importin-α7 gene plays a major role. It promotes viral replication in the lung, thereby increasing the risk for the development of pneumonia complicated by ARDS. Herein, we analyzed whether the rec...
Source: The American Journal of Pathology - February 7, 2017 Category: Pathology Authors: Bertram S, Thiele S, Dreier C, Resa-Infante P, Preuß A, van Riel D, Mok CK, Schwalm F, Peiris JS, Klenk HD, Gabriel G Tags: Am J Pathol Source Type: research