Antibiotic Treatment, Mechanisms for Failure, and Adjunctive Therapies for Infections by Group A Streptococcus

AF Johnson, CN LaRock - Frontiers in microbiology, 2021 - frontiersin.org
Group A Streptococcus (GAS; Streptococcus pyogenes) is a nearly ubiquitous human
pathogen responsible for a significant global disease burden. No vaccine exists, so …

Group A Streptococcus induces GSDMA-dependent pyroptosis in keratinocytes

DL LaRock, AF Johnson, S Wilde, JS Sands… - Nature, 2022 - nature.com
Gasdermins (GSDMs) are a family of pore-forming effectors that permeabilize the cell
membrane during the cell death program pyroptosis. GSDMs are activated by proteolytic …

A four-part guide to lung immunology: Invasion, inflammation, immunity, and intervention

I Gopallawa, R Dehinwal, V Bhatia, V Gujar… - Frontiers in …, 2023 - frontiersin.org
Lungs are important respiratory organs primarily involved in gas exchange. Lungs interact
directly with the environment and their primary function is affected by several inflammatory …

Interplay between group A Streptococcus and host innate immune responses

MSW Su, YL Cheng, YS Lin, JJ Wu - Microbiology and Molecular …, 2024 - Am Soc Microbiol
SUMMARY Group A Streptococcus (GAS), also known as Streptococcus pyogenes, is a
clinically well-adapted human pathogen that harbors rich virulence determinants …

Engineered probiotic overcomes pathogen defences using signal interference and antibiotic production to treat infection in mice

H Do, ZR Li, PK Tripathi, S Mitra, S Guerra, A Dash… - Nature …, 2024 - nature.com
Probiotic supplements are suggested to promote human health by preventing pathogen
colonization. However, the mechanistic bases for their efficacy in vivo are largely …

The Streptococcus pyogenes hyaluronic acid capsule promotes experimental nasal and skin infection by preventing neutrophil-mediated clearance

JR Hurst, BA Shannon, HC Craig, A Rishi… - PLoS …, 2022 - journals.plos.org
Streptococcus pyogenes is a globally prominent human-specific pathogen responsible for
an enormous burden of human illnesses, including> 600 million pharyngeal and> 100 …

The Pseudomonas aeruginosa protease LasB directly activates IL-1β

J Sun, DL LaRock, EA Skowronski, JM Kimmey… - …, 2020 - thelancet.com
Abstract Background Pulmonary damage by Pseudomonas aeruginosa during cystic fibrosis
lung infection and ventilator-associated pneumonia is mediated both by pathogen virulence …

Constitutive secretion of pro-IL-18 allows keratinocytes to initiate inflammation during bacterial infection

AF Johnson, JS Sands, KM Trivedi, R Russell… - PLoS …, 2023 - journals.plos.org
Group A Streptococcus (GAS, Streptococcus pyogenes) is a professional human pathogen
that commonly infects the skin. Keratinocytes are one of the first cells to contact GAS, and by …

Gasdermins in sepsis

W Wang, Z He - Frontiers in Immunology, 2023 - frontiersin.org
Sepsis is a hyper-heterogeneous syndrome in which the systemic inflammatory response
persists throughout the course of the disease and the inflammatory and immune responses …

The effects of air pollutants exposure on the transmission and severity of invasive infection caused by an opportunistic pathogen Streptococcus pyogenes

Y Zhi, X Chen, G Cao, F Chen, HS Seo, F Li - Environmental Pollution, 2022 - Elsevier
Currently, urbanization is associated with an increase in air pollutants that contribute to
invasive pathogen infections by altering the host's innate immunity and antimicrobial …