Article ; Online: NCAM protein and SARS-COV-2 surface proteins: In-silico hypothetical evidence for the immunopathogenesis of Guillain-Barré syndrome.
2020 Volume 145, Page(s) 110342
Abstract: This study aimed at identifying human neural proteins that can be attacked by cross-reacting SARS ... from literature. These human proteins were compared to SARS-COV-2 surface proteins to identify ... for further analysis. Similar human and SARS-COV-2 epitopes were docked to the corresponding MHC molecule ...
Abstract | This study aimed at identifying human neural proteins that can be attacked by cross-reacting SARS-COV-2 antibodies causing Guillain-Barré syndrome. These markers can be used for the diagnosis of Guillain-Barré syndrome (GBS). To achieve this goal, proteins implicated in the development of GBS were retrieved from literature. These human proteins were compared to SARS-COV-2 surface proteins to identify homologous sequences using Blastp. Then, MHC-I and MHC-II epitopes were determined in the homologous sequences and used for further analysis. Similar human and SARS-COV-2 epitopes were docked to the corresponding MHC molecule to compare the binding pattern of human and SARS-COV-2 proteins to the MHC molecule. Neural cell adhesion molecule is the only neural protein that showed homologous sequence to SARS-COV-2 envelope protein. The homologous sequence was part of HLA-A68 and HLA-DQA/HLA-DQB epitopes had a similar binding pattern to SARS-COV-2 envelope protein. Based on these results, the study suggests that NCAM may play a significant role in the immunopathogenesis of GBS. NCAM antibodies can be used as a marker for Guillain-Barré syndrome. However, more experimental studies are needed to prove these results. |
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MeSH term(s) | Amino Acid Motifs ; CD56 Antigen/chemistry ; COVID-19/immunology ; Computational Biology ; Computer Simulation ; Coronavirus Envelope Proteins/chemistry ; Crystallography, X-Ray ; Epitopes/chemistry ; Guillain-Barre Syndrome/immunology ; HLA-A Antigens/chemistry ; HLA-DQ alpha-Chains/chemistry ; HLA-DQ beta-Chains/chemistry ; Humans ; Major Histocompatibility Complex ; Models, Theoretical ; Peptides/chemistry ; Protein Binding ; SARS-CoV-2 ; Viral Proteins/chemistry |
Chemical Substances | CD56 Antigen ; Coronavirus Envelope Proteins ; Epitopes ; HLA-A Antigens ; HLA-A*68 antigen ; HLA-DQ alpha-Chains ; HLA-DQ beta-Chains ; HLA-DQA1 antigen ; HLA-DQbeta antigen ; NCAM1 protein, human ; Peptides ; Viral Proteins ; envelope protein, SARS-CoV-2 |
Keywords | covid19 |
Language | English |
Publishing date | 2020-10-08 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 193145-3 |
ISSN | 1532-2777 ; 0306-9877 |
ISSN (online) | 1532-2777 |
ISSN | 0306-9877 |
DOI | 10.1016/j.mehy.2020.110342 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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