Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection
The immunopathogenesis of H5N1 virus has been studied intensively since it caused cross-species infection and induced high mortality to human. We previously observed the interaction between monocytes and B cells, which increased the susceptibility of B cell to H5N1 virus infection after a co-culture...
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ftpubmed:oai:pubmedcentral.nih.gov:7500609 2023-05-15T15:34:18+02:00 Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection Kongsomros, Supasek Thanunchai, Maytawan Manopwisedjaroen, Suwimon Na-Ek, Prasit Wang, Sheng-Fan Taechalertpaisarn, Tana Thitithanyanont, Arunee 2020-09-18 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7500609/ https://doi.org/10.1371/journal.pone.0239488 en eng Public Library of Science http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7500609/ http://dx.doi.org/10.1371/journal.pone.0239488 © 2020 Kongsomros et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. CC-BY PLoS One Research Article Text 2020 ftpubmed https://doi.org/10.1371/journal.pone.0239488 2020-09-27T00:33:56Z The immunopathogenesis of H5N1 virus has been studied intensively since it caused cross-species infection and induced high mortality to human. We previously observed the interaction between monocytes and B cells, which increased the susceptibility of B cell to H5N1 virus infection after a co-culture. Levels of α2,3 sialic acid (avian flu receptor) were also significantly increased on B cell surface in this co-culture model with unclear explanation. In this study, we aimed to determine the possible mechanism that responded for this increase in α2,3 sialic acid on B cells. Acquisition of α2,3 SA by B cells via cell contact-dependent trogocytosis was proposed. Results showed that the lack of α2,3 SA was detected on B cell surface, and B cells acquired membrane-bound α2,3 SA molecules from monocytes in H5N1-infected co-cultures. Occurrence of membrane exchange mainly relied on H5N1 infection and cell-cell contact as opposed to a mock infection and transwell. The increase in α2,3 SA on B cell surface mediated by trogocytosis was associated with the enhanced susceptibility to H5N1 infection. These observations thus provide the evidence that H5N1 influenza virus may utilize trogocytosis to expand its cell tropism and spread to immune cells despite the lack of avian flu receptor. Text Avian flu PubMed Central (PMC) PLOS ONE 15 9 e0239488 |
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Research Article Kongsomros, Supasek Thanunchai, Maytawan Manopwisedjaroen, Suwimon Na-Ek, Prasit Wang, Sheng-Fan Taechalertpaisarn, Tana Thitithanyanont, Arunee Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection |
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Research Article |
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The immunopathogenesis of H5N1 virus has been studied intensively since it caused cross-species infection and induced high mortality to human. We previously observed the interaction between monocytes and B cells, which increased the susceptibility of B cell to H5N1 virus infection after a co-culture. Levels of α2,3 sialic acid (avian flu receptor) were also significantly increased on B cell surface in this co-culture model with unclear explanation. In this study, we aimed to determine the possible mechanism that responded for this increase in α2,3 sialic acid on B cells. Acquisition of α2,3 SA by B cells via cell contact-dependent trogocytosis was proposed. Results showed that the lack of α2,3 SA was detected on B cell surface, and B cells acquired membrane-bound α2,3 SA molecules from monocytes in H5N1-infected co-cultures. Occurrence of membrane exchange mainly relied on H5N1 infection and cell-cell contact as opposed to a mock infection and transwell. The increase in α2,3 SA on B cell surface mediated by trogocytosis was associated with the enhanced susceptibility to H5N1 infection. These observations thus provide the evidence that H5N1 influenza virus may utilize trogocytosis to expand its cell tropism and spread to immune cells despite the lack of avian flu receptor. |
format |
Text |
author |
Kongsomros, Supasek Thanunchai, Maytawan Manopwisedjaroen, Suwimon Na-Ek, Prasit Wang, Sheng-Fan Taechalertpaisarn, Tana Thitithanyanont, Arunee |
author_facet |
Kongsomros, Supasek Thanunchai, Maytawan Manopwisedjaroen, Suwimon Na-Ek, Prasit Wang, Sheng-Fan Taechalertpaisarn, Tana Thitithanyanont, Arunee |
author_sort |
Kongsomros, Supasek |
title |
Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection |
title_short |
Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection |
title_full |
Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection |
title_fullStr |
Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection |
title_full_unstemmed |
Trogocytosis with monocytes associated with increased α2,3 sialic acid expression on B cells during H5N1 influenza virus infection |
title_sort |
trogocytosis with monocytes associated with increased α2,3 sialic acid expression on b cells during h5n1 influenza virus infection |
publisher |
Public Library of Science |
publishDate |
2020 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7500609/ https://doi.org/10.1371/journal.pone.0239488 |
genre |
Avian flu |
genre_facet |
Avian flu |
op_source |
PLoS One |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7500609/ http://dx.doi.org/10.1371/journal.pone.0239488 |
op_rights |
© 2020 Kongsomros et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1371/journal.pone.0239488 |
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PLOS ONE |
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15 |
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9 |
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e0239488 |
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