Article citationsMore>>
To, K.K.W., Hung, I.F.N., Li, I.W.S., Lee, K., Koo, C., Yan, W., Liu, R., Ho, K., Chu, K., Watt, C., Luk, W., Lai, K., Chow, F., Mok, T., Buckley, T., Chan, J.F.W., Wong, S.S.Y.W., Zheng, B., Chen, H., Lau, C.C.Y., Tse, H., Cheng, V.C.C., Chan, K. and Yuen, K. (2010) Delayed Clearance of Viral Load and Marked Cytokine Activation in Severe Cases of Pandemic H1N1 2009 Influenza Virus Infection. Clinical Infectious Diseases, 50, 850-859.
https://doi.org/10.1086/650581
has been cited by the following article:
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TITLE:
Involvement of Dectin-2 in the Innate Inflammatory Response Triggered by Influenza Virus Hemagglutinin
AUTHORS:
Hideki Yamamoto, Chikako Tomiyama, Sho Yamasaki, Shinobu Saijo, Yoichiro Iwakura, Kazuyoshi Kawakami
KEYWORDS:
C-Type Lectin Receptors, Influenza Virus, Innate Immunity, Type I Interferon
JOURNAL NAME:
Advances in Infectious Diseases,
Vol.13 No.3,
September
20,
2023
ABSTRACT: C-type lectin receptors (CLRs) are representative pattern recognition receptors that recognize microbial polysaccharides expressed on antigen-presenting cells. In the present study, we carried out further detailed analysis on the involvement of Dectin-2, a CLR that senses high mannose polysaccharide, in innate immune responses induced by influenza virus hemagglutinin (HA). Treatment of HA with periodate or PNGase F induced lower interleukin (IL)-12p40 secretion by conventional dendritic cells (DCs) compared with the untreated group. In contrast, treatment with O-glycosidase did not affect cytokine production. Green fluorescent protein expression in canonical Dectin-2-transducing cells was approximately 3% - 12% following HA stimulation, except with the A/H1N1pdm09 subtype HA. This expression was markedly reduced in cells possessing mutated amino acids in the carbohydrate recognition domain of Dectin-2, especially following stimulation with HA derived from the A/H3N2 subtype. Interferon (IFN)-α production from CD11c+Siglec-H+PDCA-1+ plasmacytoid DCs was significantly increased in Dectin-2 knockout mice compared with wild-type mice upon stimulation with HA except for the B/Yamagata lineage HA. These results suggested that Dectin-2 is involved in initiating inflammatory responses via mannose polysaccharide on HA. However, other mechanisms may function in the antiviral response, including the type I IFN axis.
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