Publication: The activation of B cells enhances DC-SIGN expression and promotes susceptibility of B cells to HPAI H5N1 infection
Issued Date
2017-09-02
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ISSN
10902104
0006291X
0006291X
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2-s2.0-85022040630
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Mahidol University
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SCOPUS
Bibliographic Citation
Biochemical and Biophysical Research Communications. Vol.490, No.4 (2017), 1301-1306
Suggested Citation
Prasit Na-Ek, Jutarat Thewsoongnoen, Maytawan Thanunchai, Suwimon Wiboon-Ut, Noppadol Sa-Ard-Iam, Rangsini Mahanonda, Arunee Thitithanyanont The activation of B cells enhances DC-SIGN expression and promotes susceptibility of B cells to HPAI H5N1 infection. Biochemical and Biophysical Research Communications. Vol.490, No.4 (2017), 1301-1306. doi:10.1016/j.bbrc.2017.07.017 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/41780
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Title
The activation of B cells enhances DC-SIGN expression and promotes susceptibility of B cells to HPAI H5N1 infection
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Abstract
© 2017 Elsevier Inc. The interplay between highly pathogenic avian influenza (HPAI) H5N1 virus and immune cells has been extensively studied for years, as host immune components are thought to play significant roles in promoting the systemic spread of the virus and responsible for cytokine storm. Previous studies suggested that the interaction of B cells and monocytes could promote HPAI H5N1 infection by enhancing avian influenza virus receptor expression. In this study, we further investigate the relationship between the HPAI H5N1 virus, activated B cells, and DC-SIGN expression. DC-SIGN has been described as an important factor for mediating various types of viral infection. Here, we first demonstrate that HPAI H5N1 infection could induce an activation of B cells, which was associated with DC-SIGN expression. Using CD40L and recombinant IL-4 for B cell stimulation, we determined that DC-SIGN expressed on activated B cells was able to enhance its susceptibility to HPAI H5N1 infection. Our findings uncover the interplay between this H5N1 virus and B cells and provide important information in understanding how the virus overcomes our immune system, contributing to its unusual immunopathogenesis.