Evidence map›Paper›PMID 35746708›Full record

ArticleViruses2022

SARS-CoV-2 Accessory Protein ORF8 Decreases Antibody-Dependent Cellular Cytotoxicity.

Guillaume Beaudoin-Bussières, Ariana Arduini, Catherine Bourassa, Halima Medjahed, Gabrielle Gendron-Lepage, Jonathan Richard, Qinghua Pan, Zhen Wang, Chen Liang, Andrés Finzi

Open access · goldAbstract read
In one paragraph

Article in Viruses, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
2.1field-weighted citation impact, top 11% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 21 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 1 country.

Guillaume Beaudoin-BussièresCentre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.
Ariana ArduiniLady Davis Institute, Jewish General Hospital, Montreal, QC H3T 1E2, Canada.
Catherine BourassaCentre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.ORCID 0000-0003-1805-8860
Halima MedjahedCentre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.
Gabrielle Gendron-LepageCentre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.
Jonathan RichardCentre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.
Qinghua PanLady Davis Institute, Jewish General Hospital, Montreal, QC H3T 1E2, Canada.
Zhen WangLady Davis Institute, Jewish General Hospital, Montreal, QC H3T 1E2, Canada.
Chen LiangLady Davis Institute, Jewish General Hospital, Montreal, QC H3T 1E2, Canada.
Andrés FinziCentre de Recherche du CHUM, Montreal, QC H2X 0A9, Canada.
Centre Hospitalier de l’Université de Montréal · CAJewish General Hospital · CA

Funding

CIHR 177958CIHR 352417CIHR OV4-170641
6 · The paper itself

Abstract

Viruses use many different strategies to evade host immune responses. In the case of SARS-CoV-2, its Spike mutates rapidly to escape from neutralizing antibodies. In addition to this strategy, ORF8, a small accessory protein encoded by SARS-CoV-2, helps immune evasion by reducing the susceptibility of SARS-CoV-2-infected cells to the cytotoxic CD8+ T cell response. Interestingly, among all accessory proteins, ORF8 is rapidly evolving and a deletion in this protein has been linked to milder disease. Here, we studied the effect of ORF8 on peripheral blood mononuclear cells (PBMC). Specifically, we found that ORF8 can bind monocytes as well as NK cells. Strikingly, ORF8 binds CD16a (FcγRIIIA) with nanomolar affinity and decreases the overall level of CD16 at the surface of monocytes and, to a lesser extent, NK cells. This decrease significantly reduces the capacity of PBMCs and particularly monocytes to mediate antibody-dependent cellular cytotoxicity (ADCC). Overall, our data identifies a new immune-evasion activity used by SARS-CoV-2 to escape humoral responses.

Indexed as

COVID-19SARS-CoV-2Antibodies, NeutralizingAntibody-Dependent Cell CytotoxicityHumansLeukocytes, MononuclearAntibodies, Neutralizingaccessory proteinADCCCD16coronavirusFc-mediated effector functionmonocytesNK cellsORF8SARS-CoV-2

Identifiers

PMID35746708
PMCPMC9230529
OpenAlexW4282831456

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.