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Type: Journal article
Title: A comparative study of assay performance of commercial hepatitis E virus enzyme-linked immunosorbent assay (ELISA) kits in Australian blood donor samples
Author: Shrestha, A.
Flower, R.
Seed, C.
Stramer, S.
Citation: Journal of Blood Transfusion, 2016; 2016:9647675-1-9647675-6
Publisher: Hindawi Publishing Corporation
Issue Date: 2016
ISSN: 2090-9187
Statement of
Ashish C. Shrestha, Robert L. P. Flower, Clive R. Seed, Susan L. Stramer and Helen M. Faddy
Abstract: Hepatitis E virus (HEV) is transfusion-transmissible and therefore poses a risk to blood transfusion safety. Seroprevalence studies are useful for estimating disease burden and determining risk factors. Considerable variability in the sensitivity of HEV antibody detection assays exists. This study aimed to compare the performances of commercially available HEV enzyme-linked immunosorbent assays (ELISA) in Australian blood donor samples. Plasma samples that tested positive () or negative () for HEV IgG (Wantai HEV IgG ELISA) were selected. Of the 194 HEV IgG positive samples, 4 were positive for HEV IgM (Wantai HEV IgM ELISA). All samples were tested with the MP Diagnostics: HEV IgG ELISA, total (IgG, IgM, and IgA) HEV antibody ELISA, and HEV IgM ELISA. Of the 194 Wantai HEV IgG positive samples, 92 (47%) tested positive with the MP Diagnostics HEV IgG ELISA () and 126 (65%) with MP Diagnostics total HEV antibody assay (). There was poor agreement between Wantai and MP Diagnostics HEV IgM assays. This study demonstrated poor agreement between the assays tested. These observations are consistent with previous reports demonstrating significant variability between HEV ELISAs, highlighting that results of HEV serology should be interpreted with caution.
Rights: Copyright © 2016 Ashish C. Shrestha et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
RMID: 0030087078
DOI: 10.1155/2016/9647675
Appears in Collections:Medicine publications

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