Superantigen recognition and interactions: functions, mechanisms and applications

AM Deacy, SKE Gan, JP Derrick - Frontiers in Immunology, 2021 - frontiersin.org
structural basis for recognition of immune receptors by superantigens, we show that their
binding … cases in the USA are attributed to Staphylococcal enterotoxins (13). In addition, T-cell …

Molecular engineering of antibody and superantigen interactions

O Mazigi - 2021 - unsworks.unsw.edu.au
… findings from this work proves that superantigen properties … Conversely, MHC class II-bound
superantigens achieve TCR … the CDR binding pockets that are more conserved among TCR …

Novel insights into the immune response to bacterial T cell superantigens

SW Tuffs, K Dufresne, A Rishi, NR Walton… - Nature Reviews …, 2024 - nature.com
staphylococcal enterotoxin C (SEC) in complex with the mouse Vβ8.2 chain revealed that
SEC binds to the Vβ chain in a cleft between … , this revealed a structural basis as to how SAgs …

[HTML][HTML] Streptococcus pyogenes Superantigens: Biological properties and potential role in disease

T Proft, JD Fraser - … pyogenes: Basic Biology to Clinical …, 2022 - ncbi.nlm.nih.gov
… Zn 2+ by EDTA completely abolished MHC class II binding. … a range of different binding
affinities (from nanomolar to … binding of the peptide and of staphylococcal enterotoxin B to …

Staphylococcus aureus

TJ Foster, JA Geoghegan - Molecular Medical Microbiology, 2024 - Elsevier
… molecules also bind via a distinct structurally conserved domain … The superantigen binding
sites are located well away from … be blocked by peptide mimetics of the superantigen domain. …

Superantigens promote Staphylococcus aureus bloodstream infection by eliciting pathogenic interferon-gamma production

SW Tuffs, MI Goncheva, SX Xu… - Proceedings of the …, 2022 - National Acad Sciences
… aureus that bind directly to major histocompatibility complex (… staphylococcal enterotoxin
A (SEA) and staphylococcal … the IFN-γ depletion and isotype antibody groups was abolished, …

Staphylococcus aureus and its IgE-inducing enterotoxins in asthma: current knowledge

C Bachert, M Humbert, NA Hanania… - European …, 2020 - Eur Respiratory Soc
… may also be facilitated or exacerbated by those non-specific stimuli … when a specific IgE
antibody binding to a broad panel of … a) T cell superantigen: SAgs have superantigen activity and …

Evasion of Immunological Memory by S. aureus Infection: Implications for Vaccine Design

O Teymournejad, CP Montgomery - Frontiers in immunology, 2021 - frontiersin.org
… , superantigens do not bind to CDR3, but instead bind T cells … of PBMCs by staphylococcal
Enterotoxin C1, CD25 + FoxP3 … primary infection results in abrogated memory T cell responses…

Population analysis of Staphylococcus aureus reveals a cryptic, highly prevalent superantigen SElW that contributes to the pathogenesis of bacteremia

M Vrieling, SW Tuffs, G Yebra, MY van Smoorenburg… - Mbio, 2020 - Am Soc Microbiol
… 36% amino acid identity to staphylococcal enterotoxin A (SEA) (… -specific antibodies could
abrogate the mitogenic effects of … removes the ribosomal binding site (RBS) from the plasmid, …

Mechanistic insights into Staphylococcus aureus β-toxin and superantigen involvement in angiogenesis and its contribution to infective endocarditis

P Tran - 2021 - search.proquest.com
from human aortic endothelial cells (HAECs) and human umbilical vein endothelial cells (HUVECs)
and abolished … We recently demonstrated that staphylococcal enterotoxin C (SEC) …