Investigators showed that early-phase SARS-CoV-2 spike protein–specific immunoglobulin G (IgG) in serum of critically ill COVID-19 patients induces excessive inflammatory responses by human alveolar macrophages.
[Science Translational Medicine]
6445212 2Z66IGDR items 1 apa 0 default asc 1 163034 https://www.stemcellsciencenews.com/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-415d1b8c62b915d3dd67e843e20e9378%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%222Z66IGDR%22%2C%22library%22%3A%7B%22id%22%3A6445212%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Hoepel%20et%20al.%22%2C%22parsedDate%22%3A%222021-06-02%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EHoepel%2C%20W.%2C%20Chen%2C%20H.-J.%2C%20Geyer%2C%20C.%20E.%2C%20Allahverdiyeva%2C%20S.%2C%20Manz%2C%20X.%20D.%2C%20Taeye%2C%20S.%20W.%20de%2C%20Aman%2C%20J.%2C%20Mes%2C%20L.%2C%20Steenhuis%2C%20M.%2C%20Griffith%2C%20G.%20R.%2C%20Bonta%2C%20P.%20I.%2C%20Brouwer%2C%20P.%20J.%20M.%2C%20Caniels%2C%20T.%20G.%2C%20Straten%2C%20K.%20van%20der%2C%20Golebski%2C%20K.%2C%20Jonkers%2C%20R.%20E.%2C%20Larsen%2C%20M.%20D.%2C%20Linty%2C%20F.%2C%20Nouta%2C%20J.%2C%20%26%23x2026%3B%20Dunnen%2C%20J.%20den.%20%282021%29.%20High%20titers%20and%20low%20fucosylation%20of%20early%20human%20anti%26%23x2013%3BSARS-CoV-2%20IgG%20promote%20inflammation%20by%20alveolar%20macrophages.%20%3Ci%3EScience%20Translational%20Medicine%3C%5C%2Fi%3E%2C%20%3Ci%3E13%3C%5C%2Fi%3E%28596%29.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1126%5C%2Fscitranslmed.abf8654%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1126%5C%2Fscitranslmed.abf8654%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.stemcellsciencenews.com%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D6445212%26amp%3Bitem_key%3D2Z66IGDR%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22High%20titers%20and%20low%20fucosylation%20of%20early%20human%20anti%5Cu2013SARS-CoV-2%20IgG%20promote%20inflammation%20by%20alveolar%20macrophages%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Willianne%22%2C%22lastName%22%3A%22Hoepel%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hung-Jen%22%2C%22lastName%22%3A%22Chen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Chiara%20E.%22%2C%22lastName%22%3A%22Geyer%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sona%22%2C%22lastName%22%3A%22Allahverdiyeva%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Xue%20D.%22%2C%22lastName%22%3A%22Manz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Steven%20W.%20de%22%2C%22lastName%22%3A%22Taeye%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jurjan%22%2C%22lastName%22%3A%22Aman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Lynn%22%2C%22lastName%22%3A%22Mes%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Maurice%22%2C%22lastName%22%3A%22Steenhuis%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Guillermo%20R.%22%2C%22lastName%22%3A%22Griffith%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Peter%20I.%22%2C%22lastName%22%3A%22Bonta%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Philip%20J.%20M.%22%2C%22lastName%22%3A%22Brouwer%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Tom%20G.%22%2C%22lastName%22%3A%22Caniels%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Karlijn%20van%20der%22%2C%22lastName%22%3A%22Straten%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Korneliusz%22%2C%22lastName%22%3A%22Golebski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ren%5Cu00e9%20E.%22%2C%22lastName%22%3A%22Jonkers%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mads%20D.%22%2C%22lastName%22%3A%22Larsen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Federica%22%2C%22lastName%22%3A%22Linty%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jan%22%2C%22lastName%22%3A%22Nouta%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Cindy%20P.%20A.%20A.%20van%22%2C%22lastName%22%3A%22Roomen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Frank%20E.%20H.%20P.%20van%22%2C%22lastName%22%3A%22Baarle%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Cornelis%20M.%20van%22%2C%22lastName%22%3A%22Drunen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gertjan%22%2C%22lastName%22%3A%22Wolbink%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexander%20P.%20J.%22%2C%22lastName%22%3A%22Vlaar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Godelieve%20J.%20de%22%2C%22lastName%22%3A%22Bree%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Rogier%20W.%22%2C%22lastName%22%3A%22Sanders%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Lisa%22%2C%22lastName%22%3A%22Willemsen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Annette%20E.%22%2C%22lastName%22%3A%22Neele%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Diederik%20van%20de%22%2C%22lastName%22%3A%22Beek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Theo%22%2C%22lastName%22%3A%22Rispens%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Manfred%22%2C%22lastName%22%3A%22Wuhrer%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Harm%20Jan%22%2C%22lastName%22%3A%22Bogaard%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Marit%20J.%20van%22%2C%22lastName%22%3A%22Gils%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gestur%22%2C%22lastName%22%3A%22Vidarsson%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Menno%20de%22%2C%22lastName%22%3A%22Winther%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jeroen%20den%22%2C%22lastName%22%3A%22Dunnen%22%7D%5D%2C%22abstractNote%22%3A%22Activating%20antibodies%5CnExcessive%20inflammation%20is%20a%20characteristic%20of%20severe%20acute%20respiratory%20syndrome%20coronavirus%202%20%28SARS-CoV-2%29%20infection%2C%20particularly%20in%20patients%20that%20are%20hospitalized%20with%20coronavirus%20disease%202019%20%28COVID-19%29.%20Here%2C%20Hoepel%20et%20al.%20investigated%20how%20human%20antibodies%20specific%20to%20SARS-CoV-2%20spike%20protein%20may%20contribute%20to%20exacerbated%20inflammation.%20The%20authors%20found%20that%20spike%20protein%5Cu2013specific%20antibodies%20from%20patients%20with%20COVID-19%20who%20were%20hospitalized%20had%20altered%20glycosylation%2C%20with%20an%20enrichment%20in%20low-fucosylated%20antibodies.%20These%20antibodies%20were%20able%20to%20activate%20human%20macrophages%20in%20vitro%20to%20secrete%20proinflammatory%20cytokines.%20Thus%2C%20altered%20antibody%20glycosylation%20may%20contribute%20to%20disease%20severity%20in%20COVID-19.%5CnPatients%20diagnosed%20with%20coronavirus%20disease%202019%20%28COVID-19%29%20become%20critically%20ill%20primarily%20around%20the%20time%20of%20activation%20of%20the%20adaptive%20immune%20response.%20Here%2C%20we%20provide%20evidence%20that%20antibodies%20play%20a%20role%20in%20the%20worsening%20of%20disease%20at%20the%20time%20of%20seroconversion.%20We%20show%20that%20early-phase%20severe%20acute%20respiratory%20distress%20syndrome%20coronavirus%202%20%28SARS-CoV-2%29%20spike%20protein%5Cu2013specific%20immunoglobulin%20G%20%28IgG%29%20in%20serum%20of%20critically%20ill%20COVID-19%20patients%20induces%20excessive%20inflammatory%20responses%20by%20human%20alveolar%20macrophages.%20We%20identified%20that%20this%20excessive%20inflammatory%20response%20is%20dependent%20on%20two%20antibody%20features%20that%20are%20specific%20for%20patients%20with%20severe%20COVID-19.%20First%2C%20inflammation%20is%20driven%20by%20high%20titers%20of%20anti-spike%20IgG%2C%20a%20hallmark%20of%20severe%20disease.%20Second%2C%20we%20found%20that%20anti-spike%20IgG%20from%20patients%20with%20severe%20COVID-19%20is%20intrinsically%20more%20proinflammatory%20because%20of%20different%20glycosylation%2C%20particularly%20low%20fucosylation%2C%20of%20the%20antibody%20Fc%20tail.%20Low%20fucosylation%20of%20anti-spike%20IgG%20was%20normalized%20in%20a%20few%20weeks%20after%20initial%20infection%20with%20SARS-CoV-2%2C%20indicating%20that%20the%20increased%20antibody-dependent%20inflammation%20mainly%20occurs%20at%20the%20time%20of%20seroconversion.%20We%20identified%20Fc%5Cu03b3%20receptor%20%28Fc%5Cu03b3R%29%20IIa%20and%20Fc%5Cu03b3RIII%20as%20the%20two%20primary%20IgG%20receptors%20that%20are%20responsible%20for%20the%20induction%20of%20key%20COVID-19%5Cu2013associated%20cytokines%20such%20as%20interleukin-6%20and%20tumor%20necrosis%20factor.%20In%20addition%2C%20we%20show%20that%20anti-spike%20IgG%5Cu2013activated%20human%20macrophages%20can%20subsequently%20break%20pulmonary%20endothelial%20barrier%20integrity%20and%20induce%20microvascular%20thrombosis%20in%20vitro.%20Last%2C%20we%20demonstrate%20that%20the%20inflammatory%20response%20induced%20by%20anti-spike%20IgG%20can%20be%20specifically%20counteracted%20by%20fostamatinib%2C%20an%20FDA-%20and%20EMA-approved%20therapeutic%20small-molecule%20inhibitor%20of%20Syk%20kinase.%5CnHigh%20titers%20and%20low%20fucosylation%20of%20human%20anti%5Cu2013spike%20protein%20IgG%20promote%20alveolar%20macrophage%20activation%20and%20inflammation.%5CnHigh%20titers%20and%20low%20fucosylation%20of%20human%20anti%5Cu2013spike%20protein%20IgG%20promote%20alveolar%20macrophage%20activation%20and%20inflammation.%22%2C%22date%22%3A%222021%5C%2F06%5C%2F02%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1126%5C%2Fscitranslmed.abf8654%22%2C%22ISSN%22%3A%221946-6234%2C%201946-6242%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fstm.sciencemag.org%5C%2Fcontent%5C%2F13%5C%2F596%5C%2Feabf8654%22%2C%22collections%22%3A%5B%5D%2C%22dateModified%22%3A%222021-06-03T16%3A44%3A01Z%22%7D%7D%5D%7D
Hoepel, W., Chen, H.-J., Geyer, C. E., Allahverdiyeva, S., Manz, X. D., Taeye, S. W. de, Aman, J., Mes, L., Steenhuis, M., Griffith, G. R., Bonta, P. I., Brouwer, P. J. M., Caniels, T. G., Straten, K. van der, Golebski, K., Jonkers, R. E., Larsen, M. D., Linty, F., Nouta, J., … Dunnen, J. den. (2021). High titers and low fucosylation of early human anti–SARS-CoV-2 IgG promote inflammation by alveolar macrophages. Science Translational Medicine, 13(596). https://doi.org/10.1126/scitranslmed.abf8654 Cite