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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/14257
Title: Improved sensitivity of influenza A antigen detection using a combined NP, M, and NS1 sandwich ELISA
Authors: Patumporn Jian-umpunkul
Charin Thepthai
Nisachon Apiwat
Warangkana Chantima
Kanokwan Poomputsa
Natpapas Wiriyachaiporn
Tararaj Dharakul
Mahidol University
King Mongkuts University of Technology Thonburi
Thailand National Science and Technology Development Agency
Keywords: Immunology and Microbiology
Issue Date: 1-Oct-2012
Citation: Journal of Virological Methods. Vol.185, No.1 (2012), 24-31
Abstract: A new modified triple-antigen detection test was developed for the direct detection of the influenza A virus. The nucleoprotein (NP), matrix (M), and non-structural (NS1) proteins were used as target antigens because they are abundant in infected cells. Monoclonal antibodies specific to the NP, M, and NS1 proteins were generated. The antibody pairs were selected and evaluated for their reactivity individually and in combination in the triple-antigen detection using sandwich ELISA. Triple-antigen detection demonstrated a higher sensitivity than individual antigen detection when tested with both the H1N1 and H3N2 influenza A viruses. This was illustrated by the 4-fold lower limit of detection of the triple-antigen test than the individual antigen detection test. The findings demonstrated that the sensitivity of influenza A antigen detection was improved with the triple-antigen detection system as compared to individual antigen detection. Therefore, this technique could be a useful tool fo r the direct detection of cell-associated influenza A antigen. Furthermore, it could provide a basis for the development of a rapid triple-antigen test for influenza A diagnosis. © 2012 Elsevier B.V.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84864324226&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/14257
ISSN: 18790984
01660934
Appears in Collections:Scopus 2011-2015

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