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 …

[PDF][PDF] The human antigen-specific immune response to Staphylococcus aureus T cell superantigens

F Schmiedeke - 2024 - epub.ub.uni-greifswald.de
superantigens, which do not bind to the antigen-binding site of the B cell receptor (BCR), but,
rather, to conserved structures … were designed with reduced or abolished toxicity in mind. …

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 …

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, …

The immune evasion roles of Staphylococcus aureus protein A and impact on vaccine development

A Bear, T Locke, S Rowland-Jones… - Frontiers in Cellular …, 2023 - frontiersin.org
… however this process is hampered by the superantigenic binding by SpA, the B cell …
that these changes can completely abrogate the ability of SpA KKAA to bind both the Fc and …

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 …

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…

[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 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 …

Multiple domains of Staphylococcal Superantigen-like protein 11 (SSL11) contribute to Neutrophil Inhibition

C Yang, JT Barbieri, NM Dahms, C Chen - Biochemistry, 2022 - ACS Publications
… of dHL60 cell lysate by PNGase F abolished SSL11 binding. (18) We hypothesized that the
C-… of the bifunctional staphylococcal enterotoxin-like X (SElX). SEIX, an SSL-like SAg, binds