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Total 5 results found since Jan 2013.

Gene Therapy Leaves a Vicious Cycle
Reena Goswami1, Gayatri Subramanian2, Liliya Silayeva1, Isabelle Newkirk1, Deborah Doctor1, Karan Chawla2, Saurabh Chattopadhyay2, Dhyan Chandra3, Nageswararao Chilukuri1 and Venkaiah Betapudi1,4* 1Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States 2Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States 3Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States 4Department of Physiology and Biophysics, Case Western Reserve University, Clev...
Source: Frontiers in Oncology - April 23, 2019 Category: Cancer & Oncology Source Type: research

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

Targeting host calpain proteases decreases influenza A virus infection
Influenza A viruses (IAV) trigger contagious acute respiratory diseases. A better understanding of the molecular mechanisms of IAV pathogenesis and host immune responses is required for the development of more efficient treatments of severe influenza. Calpains are intracellular proteases that participate in diverse cellular responses, including inflammation. Here, we used in vitro and in vivo approaches to investigate the role of calpain signaling in IAV pathogenesis. Calpain expression and activity were found altered in IAV-infected bronchial epithelial cells. With the use of small-interfering RNA (siRNA) gene silencing, ...
Source: AJP: Lung Cellular and Molecular Physiology - March 31, 2016 Category: Respiratory Medicine Authors: Blanc, F., Furio, L., Moisy, D., Yen, H.-L., Chignard, M., Letavernier, E., Naffakh, N., Mok, C. K. P., Si-Tahar, M. Tags: ARTICLES Source Type: research

Targeting host calpain proteases decreases influenza A virus infection.
Abstract Influenza A viruses (IAV) trigger contagious acute respiratory diseases. A better understanding of the molecular mechanisms of IAV pathogenesis and host immune responses is required for the development of more efficient treatments of severe influenza. Calpains are intracellular proteases that participate to diverse cellular responses, including inflammation. Here, we used in vitro and in vivo approaches to investigate the role of calpains signalling in IAV pathogenesis. Calpain expression and activity were found altered in IAV-infected bronchial epithelial cells. Using siRNA gene silencing, specific synth...
Source: American Journal of Physiology. Lung Cellular and Molecular Physiology - January 8, 2016 Category: Cytology Authors: Blanc F, Furio L, Moisy D, Yen HL, Chignard M, Letavernier E, Naffakh N, Mok CK, Si-Tahar M Tags: Am J Physiol Lung Cell Mol Physiol Source Type: research