About: COVID-19 and Cholinergic Anti-inflammatory Pathway: In silico Identification of an Interaction between α7 Nicotinic Acetylcholine Receptor and the Cryptic Epitopes of SARS-CoV and SARS-CoV-2 Spike Glycoproteins

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About: COVID-19 and Cholinergic Anti-inflammatory Pathway: In silico Identification of an Interaction between α7 Nicotinic Acetylcholine Receptor and the Cryptic Epitopes of SARS-CoV and SARS-CoV-2 Spike Glycoproteins Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	COVID-19 and Cholinergic Anti-inflammatory Pathway: In silico Identification of an Interaction between α7 Nicotinic Acetylcholine Receptor and the Cryptic Epitopes of SARS-CoV and SARS-CoV-2 Spike Glycoproteins
Creator	Farsalinos, Konstantinos Poulas, Konstantinos Alexandris, Nikolaos Chasapis, Christos Eliopoulos, Elias Lagoumintzis, Tzartos, Socrates
source	BioRxiv
abstract	SARS-CoV-2 is the coronavirus that originated in Wuhan in December 2019 and has spread globally. The observation of a low prevalence of smokers among hospitalized COVID-19 patients has led to the development of a hypothesis that nicotine could have protective effects by enhancing the cholinergic anti-inflammatory pathway. Based on clinical data and on modelling and docking experiments we have previously presented the potential interaction between SARS-CoV-2 Spike glycoprotein and nicotinic acetylcholine receptors (nAChRs), due to a “toxin-like” epitope on the Spike Glycoprotein, with homology to a sequence of a snake venom toxin. We here present that this epitope coincides with the well-described cryptic epitope for the human antibody CR3022 and with the epitope for the recently described COVA1-16 antibody. Both antibodies are recognizing neighboring epitopes, are not interfering with the ACE2 protein and are not able to inhibit SARS-CoV and SARS-CoV-2 infections. In this study we present the molecular complexes of both SARS-CoV and SARS-CoV-2 Spike Glycoproteins, at their open or closed conformations, with the molecular model of the human α7 nAChR. We found that the interface of all studied protein complexes involves a large part of the “toxin-like” sequences of SARS-CoV and SARS-CoV-2 Spike glycoproteins and toxin binding site of human α7 nAChR.
has issue date	2020-08-21(xsd:dateTime)
bibo:doi	10.1101/2020.08.20.259747
has license	biorxiv
sha1sum (hex)	e1b97f41ae3d285a24dd57c93ae55b0750974ed2
schema:url	https://doi.org/10.1101/2020.08.20.259747
resource representing a document's title	COVID-19 and Cholinergic Anti-inflammatory Pathway: In silico Identification of an Interaction between α7 Nicotinic Acetylcholine Receptor and the Cryptic Epitopes of SARS-CoV and SARS-CoV-2 Spike Glycoproteins
schema:publication	bioRxiv
resource representing a document's body	covid:e1b97f41ae3d285a24dd57c93ae55b0750974ed2#body_text
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