A deadly embrace: Hemagglutination mediated by SARS-CoV-2 spike protein at its 22 N-glycosylation sites, red blood cell surface sialoglycoproteins, and antibody

DE Scheim - International journal of molecular sciences, 2022 - mdpi.com
Rouleaux (stacked clumps) of red blood cells (RBCs) observed in the blood of COVID-19
patients in three studies call attention to the properties of several enveloped virus strains …

[HTML][HTML] SARS-CoV-2 spike protein induces hemagglutination: implications for COVID-19 morbidities and therapeutics and for vaccine adverse effects

C Boschi, DE Scheim, A Bancod, M Militello… - International Journal of …, 2022 - mdpi.com
Experimental findings for SARS-CoV-2 related to the glycan biochemistry of coronaviruses
indicate that attachments from spike protein to glycoconjugates on the surfaces of red blood …

Sialylated glycan bindings from SARS-CoV-2 spike protein to blood and endothelial cells govern the severe morbidities of COVID-19

DE Scheim, P Vottero, AD Santin, AG Hirsh - International journal of …, 2023 - mdpi.com
Consistent with well-established biochemical properties of coronaviruses, sialylated glycan
attachments between SARS-CoV-2 spike protein (SP) and host cells are key to the virus's …

Structural remodeling of SARS-CoV-2 spike protein glycans reveals the regulatory roles in receptor-binding affinity

YP Hsu, M Frank, D Mukherjee, V Shchurik… - …, 2023 - academic.oup.com
Glycans of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike
protein are speculated to play functional roles in the infection processes as they extensively …

Site-specific glycosylation patterns of the SARS-CoV-2 spike protein derived from recombinant protein and viral WA1 and D614G strains

Y Tian, LM Parsons, E Jankowska, JF Cipollo - Frontiers in chemistry, 2021 - frontiersin.org
The SARS-CoV-2 spike protein is heavily glycosylated, having 22 predicted N-glycosylation
sites per monomer. It is also O-glycosylated, although the number of O-glycosites is less …

Site-specific characterization of SARS-CoV-2 spike glycoprotein receptor-binding domain

A Antonopoulos, S Broome, V Sharov… - …, 2021 - academic.oup.com
The novel coronavirus SARS-CoV-2, the infective agent causing COVID-19, is having a
global impact both in terms of human disease as well as socially and economically. Its …

Analysis of glycosylation and disulfide bonding of wild-type SARS-CoV-2 spike glycoprotein

S Zhang, EP Go, H Ding, S Anang, JC Kappes… - Journal of …, 2022 - Am Soc Microbiol
ABSTRACT The SARS-CoV-2 coronavirus, the etiologic agent of COVID-19, uses its spike
(S) glycoprotein anchored in the viral membrane to enter host cells. The S glycoprotein is the …

Host cell glycocalyx remodeling reveals SARS-CoV-2 spike protein glycomic binding sites

Y Sheng, A Vinjamuri, MRS Alvarez, Y Xie… - Frontiers in Molecular …, 2022 - frontiersin.org
Glycans on the host cell membrane and viral proteins play critical roles in pathogenesis.
Highly glycosylated epithelial cells represent the primary boundary separating embedded …

Deducing the N-and O-glycosylation profile of the spike protein of novel coronavirus SARS-CoV-2

A Shajahan, NT Supekar, AS Gleinich, P Azadi - Glycobiology, 2020 - academic.oup.com
The current emergence of the novel coronavirus pandemic caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) demands the development of new …

SARS-CoV-2 spike glycosylation affects function and neutralization sensitivity

F Zhang, F Schmidt, F Muecksch, Z Wang, A Gazumyan… - Mbio, 2024 - Am Soc Microbiol
The glycosylation of viral envelope proteins can play important roles in virus biology and
immune evasion. The spike (S) glycoprotein of severe acute respiratory syndrome …