Pathogen-driven degradation of endogenous and therapeutic antibodies during streptococcal infections

AG Toledo, E Bratanis, E Velásquez… - Nature …, 2023 - nature.com
Group A streptococcus (GAS) is a major bacterial pathogen responsible for both local and
systemic infections in humans. The molecular mechanisms that contribute to disease …

SIgA structures bound to Streptococcus pyogenes M4 and human CD89 provide insights into host-pathogen interactions

Q Liu, BM Stadtmueller - Nature communications, 2023 - nature.com
Immunoglobulin (Ig) A functions as monomeric IgA in the serum and Secretory (S) IgA in
mucosal secretions. Host IgA Fc receptors (FcαRs), including human FcαR1/CD89, mediate …

Host-microbiome protein-protein interactions capture disease-relevant pathways

H Zhou, JF Beltrán, IL Brito - Genome Biology, 2022 - Springer
Background Host-microbe interactions are crucial for normal physiological and immune
system development and are implicated in a variety of diseases, including inflammatory …

Global view of candidate therapeutic target genes in hormone-responsive breast cancer

A Salvati, V Gigantino, G Nassa, V Mirici Cappa… - International journal of …, 2020 - mdpi.com
Breast cancer (BC) is a heterogeneous disease characterized by different biopathological
features, differential response to therapy and substantial variability in long-term-survival. BC …

IdeS, a secreted proteinase of Streptococcus pyogenes, is bound to a nuclease at the bacterial surface where it inactivates opsonizing IgG antibodies

IM Frick, L Happonen, S Wrighton, P Nordenfelt… - Journal of Biological …, 2023 - ASBMB
The important bacterial pathogen Streptococcus pyogenes secretes IdeS (immunoglobulin
G-degrading enzyme of S. pyogenes), a proteinase that cleaves human immunoglobulin G …

Multimodal Mass Spectrometry Identifies a Conserved Protective Epitope in S. pyogenes Streptolysin O

D Tang, C Gueto-Tettay, E Hjortswang… - Analytical …, 2024 - ACS Publications
An important element of antibody-guided vaccine design is the use of neutralizing or
opsonic monoclonal antibodies to define protective epitopes in their native three …

The hinge-engineered IgG1-IgG3 hybrid subclass IgGh47 potently enhances Fc-mediated function of anti-streptococcal and SARS-CoV-2 antibodies

A Izadi, Y Karami, E Bratanis, S Wrighton… - Nature …, 2024 - nature.com
Streptococcus pyogenes can cause invasive disease with high mortality despite adequate
antibiotic treatments. To address this unmet need, we have previously generated an opsonic …

Dissecting Streptococcus pyogenes interaction with human

M Ijaz, F Ameen, YA Alfoteih, S Shamim… - Archives of …, 2020 - Springer
Streptococcus pyogenes is a species of Gram-positive bacteria. It is also known as Group A
Streptococcus (GAS) that causes pathogenesis to humans only. The GAS infection has …

Epidemiological analysis of Group A streptococcus infection diseases among children in Bei**g, China under COVID-19 pandemic

H Li, L Zhou, Y Zhao, L Ma, H Zhang, Y Liu, X Liu, J Hu - BMC pediatrics, 2023 - Springer
Background Group A streptococcus is human-restricted gram-positive pathogen,
responsible for various clinical presentations from mild epidermis infections to life …

Streptolysin O accelerates the conversion of plasminogen to plasmin

D Tang, H Khakzad, E Hjortswang, L Malmström… - Nature …, 2024 - nature.com
Abstract Group A Streptococcus (GAS) is a human-specific bacterial pathogen that can
exploit the plasminogen-plasmin fibrinolysis system to dismantle blood clots and facilitate its …