ArticleJournal of virology2021
Spike glycoprotein and host cell determinants of SARS-CoV-2 entry and cytopathic effects.
Article in Journal of virology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers, 2 of them syntheses that pooled 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.
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.
Who cites it
66 citing papers in PubMed, 2 syntheses or guidelines pooled it, 101 citations in OpenAlex.
- Relationship between Angiotensin-Converting Enzyme Insertion/Deletion Polymorphism and the Risk of COVID-19: A Meta-Analysis.Journal of the renin-angiotensin-aldosterone system : JRAAS · 2023Pooled it
- The Effect of Nitazoxanide on the Clinical Outcomes in Patients with COVID-19: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.Clinical drug investigation · 2022Pooled it
- TMPRSS2-induced Golgi disruption restricts the incorporation of virus envelope glycoproteins into virions.EMBO reports · 2026Article
- ZDHHC5: a pivotal palmitoyltransferase orchestrating signaling networks - unraveling mechanisms and therapeutic horizons.Biomarker research · 2026Review
- Detectable episodic positive selection in the virion strand a-strain Maize streak virus genes may have a role in its host adaptation.Virus genes · 2025Article
- Expression levels of protein inhibitor of activated STAT (PIAS) family genes in Parkinson's disease patients: results from a case-control study.Acta neurologica Belgica · 2025Article
- Capture of fusion-intermediate conformations of SARS-CoV-2 spike requires receptor binding and cleavage at either the S1/S2 or S2' site.PLoS pathogens · 2025Article
- Probing SARS-CoV-2 membrane binding peptide via single-molecule AFM-based force spectroscopy.Nature communications · 2025Article
- Characteristics of Oral Adverse Effects following COVID-19 Vaccination and Similarities with Oral Symptoms in COVID-19 Patients: Taste and Saliva Secretory Disorders.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2025Review
- Repercussion of SARS-CoV-2 on the Sexual Function in Males: An Updated Review.Infectious disorders drug targets · 2025Review
- Article
- SARS-CoV-2 Rapidly Infects Peripheral Sensory and Autonomic Neurons, Contributing to Central Nervous System Neuroinvasion before Viremia.International journal of molecular sciences · 2024Article
- Palmitoylation at a conserved cysteine residue facilitates gasdermin D-mediated pyroptosis and cytokine release.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Article
- Article
- Susceptibility and Resistance of SARS-CoV-2 Variants to LCB1 and Its Multivalent Derivatives.Viruses · 2023Article
- Inconspicuous Yet Indispensable: The Coronavirus Spike Transmembrane Domain.International journal of molecular sciences · 2023Review
- Diagnostics and analysis of SARS-CoV-2: current status, recent advances, challenges and perspectives.Chemical science · 2023Review
- Treatments of COVID-19-Associated Taste and Saliva Secretory Disorders.Dentistry journal · 2023Review
- The effects of amino acid substitution of spike protein and genomic recombination on the evolution of SARS-CoV-2.Frontiers in microbiology · 2023Review
6 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
SARS-CoV-2, a betacoronavirus, is the cause of the COVID-19 pandemic. The SARS-CoV-2 spike (S) glycoprotein trimer mediates virus entry into host cells and cytopathic effects (syncytium formation). We studied the contribution of several S glycoprotein features to these functions, focusing on those that differ among related coronaviruses. Acquisition of the furin cleavage site by the SARS-CoV-2 S glycoprotein decreased virus stability and infectivity, but greatly enhanced syncytium-forming ability. Notably, the D614G change found in globally predominant SARS-CoV-2 strains increased infectivity, modestly enhanced responsiveness to the ACE2 receptor and susceptibility to neutralizing sera, and tightened association of the S1 subunit with the trimer. Apparently, these two features of the SARS-CoV-2 S glycoprotein, the furin cleavage site and D614G, have evolved to balance virus infectivity, stability, cytopathicity and antibody vulnerability. Although the endodomain (cytoplasmic tail) of the S2 subunit was not absolutely required for virus entry or syncytium formation, alteration of palmitoylated cysteine residues in the cytoplasmic tail decreased the efficiency of these processes. As proteolytic cleavage contributes to the activation of the SARS-CoV-2 S glycoprotein, we evaluated the ability of protease inhibitors to suppress S glycoprotein function. Matrix metalloprotease inhibitors suppressed S-mediated cell-cell fusion, but not virus entry. Synergy between inhibitors of matrix metalloproteases and TMPRSS2 suggests that both host proteases can activate the S glycoprotein during the process of syncytium formation. These results provide insights into SARS-CoV-2 S glycoprotein-host cell interactions that likely contribute to the transmission and pathogenicity of this pandemic agent.
Identifiers
What OpenQuestion holds
Registered trials
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.