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Title: Distribution of viral RNA, sialic acid receptor, and pathology in H5N1 avian influenza patients
Authors: Yotthachai Piwpankaew
Yuwarat Monteerarat
Ornpreya Suptawiwat
Pilaipan Puthavathana
Mongkol Uipresertkul
Prasert Auewarakul
Departments of Microbiology
Departments of Immunology
Mahidol University
Keywords: Medicine
Issue Date: 1-Nov-2010
Citation: APMIS. Vol.118, No.11 (2010), 895-902
Abstract: Avian influenza virus H5N1 infects and causes severe disease in humans. Despite the increasing number of fatal cases in 15 countries and the threat of influenza pandemic, detailed pathologic and virologic findings in humans are limited. In this study, we describe histopathologic findings, distributions of viral RNA and the Neu5Acα2-3Galβ1-4 sialic acid receptor in human tissues from three fatal avian influenza cases. Many of our findings are in agreement with previously published autopsy studies, that is, viral RNA and receptor were detected in type II pneumocytes, tracheal epithelium, intestinal epithelium, spleen, lymph nodes, and Kupffer's cells. In addition, we detected the viral RNA in glomeruli and renal tubules. There was a good correlation between viral RNA distribution and the presence of the sialic acid receptor. Despite the wide distribution of viral RNA, tissue damage and inflammation were mainly limited to pulmonary tissue. © 2010 The Authors. Journal Compilation © 2010 APMIS.
ISSN: 16000463
Appears in Collections:Scopus 2006-2010

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