Results 11 to 20 of about 3,974,865 (310)

ACE2-Independent Interaction of SARS-CoV-2 Spike Protein with Human Epithelial Cells Is Inhibited by Unfractionated Heparin

open access: yesCells, 2021
Coronaviruses such as SARS-CoV-2, which is responsible for COVID-19, depend on virus spike protein binding to host cell receptors to cause infection. The SARS-CoV-2 spike protein binds primarily to ACE2 on target cells and is then processed by membrane ...
Lynda J. Partridge   +5 more
doaj   +3 more sources

Carbohydrate Ligands for COVID-19 Spike Proteins [PDF]

open access: yesViruses, 2022
An outbreak of SARS-CoV-2 coronavirus (COVID-19) first detected in Wuhan, China, has created a public health emergency all over the world. The pandemic has caused more than 340 million confirmed cases and 5.57 million deaths as of 23 January 2022 ...
Yung-Kuo Lee   +7 more
doaj   +3 more sources

SARS-CoV-2 Spike Protein and Neutralizing Anti-Spike Protein Antibodies Modulate Blood Platelet Function

open access: yesInternational Journal of Molecular Sciences, 2023
Several studies report elevated blood platelet activation and altered platelet count in COVID-19 patients, but the role of the SARS-CoV-2 spike protein in this process remains intriguing.
Boguslawa Luzak   +13 more
core   +3 more sources

SARS-CoV-2 spike protein exerts an anti-cancer effect in A549 cells in association with MEG3 and BCYRN1 regulation [PDF]

open access: yesScientific Reports
Few studies have reported that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein may suppress cancer cell growth. Here, we investigated the effect of the SARS-CoV-2 spike protein in A549 lung cancer cells using recombinant spike ...
Jung-Eun Kim   +4 more
doaj   +2 more sources

Fluorescent Glycan Fingerprinting of SARS2 Spike Proteins [PDF]

open access: yesScientific Reports, 2021
Abstract Glycosylation is the most common post-translational modification and has myriad biological functions. However, glycan analysis and research has always been a challenge. Here, we would like to present new techniques of glycan fingerprinting based on enzymatic fluorescent labeling and gel electrophoresis.
Zhengliang L Wu, James M Ertelt
openaire   +4 more sources

Mutations in the SARS CoV2 Spike Gene and Their Reflections on the Spike Protein

open access: yesClinical and Experimental Health Sciences, 2021
Objective: In this study, it was aimed to determine the mutation frequency in spike (S) genes of SARS CoV2 from six different regions of the world, their distribution on the gene and reflections of these mutations to the S protein. Materials and methods: SARS CoV2 S gene sequences originating from Asia, Africa, Europe, South America, Oceania and North ...
ÇAĞLAYAN, Elif, TURAN, Kadir
openaire   +3 more sources

Omicron Spike Protein is Vulnerable to Reduction

open access: yesJournal of Molecular Biology, 2023
Abstract SARS-CoV-2 virus spike (S) protein is an envelope protein responsible for binding to the ACE2 receptor, driving subsequent entry into host cells. The existence of multiple disulfide bonds in the S protein makes it potentially susceptible to reductive cleavage.
Zhong Yao   +10 more
openaire   +2 more sources

Mutations in human SARS-CoV-2 spike proteins, potential drug binding and epitope sites for COVID-19 therapeutics development

open access: yesCurrent Research in Structural Biology, 2022
The comparison of 303,250 human SARS-CoV-2 spike protein sequences with the reference protein sequence Wuhan-Hu-1, showed ∼96.5% of the spike protein sequence has undergone the mutations till date, since outbreak of the COVID-19 pandemic disease that was
Kunchur Guruprasad
doaj   +1 more source

Allosteric Regulation of SARS-CoV-2 Spike Protein Revealed by Contrastive Machine Learning [PDF]

open access: yes, 2023
Allosteric regulation is common in protein-protein interactions and thus can be used in drug design. Nevertheless, the mechanism of allosteric regulation remains elusive for most proteins, including SARS-CoV-2 spike protein, despite extensive ...
Tao, Wei   +9 more
core   +1 more source

The ORF8 Protein of SARS-CoV-2 Modulates the Spike Protein and Its Implications in Viral Transmission

open access: yesFrontiers in Microbiology, 2022
COVID-19 is currently global pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Accompanying the rapid spread of the error-prone RNA-based genome, several dominant SARS-CoV-2 variants have been genetically identified.
Jen-Mei Chou   +13 more
doaj   +1 more source

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