Pathogenesis of group A streptococcal infections

MW Cunningham - Clinical microbiology reviews, 2000 - Am Soc Microbiol
Group A streptococci are model extracellular gram-positive pathogens responsible for
pharyngitis, impetigo, rheumatic fever, and acute glomerulonephritis. A resurgence of …

Superantigens and their potential role in human disease

BL Kotzin, DYM Leung, J Kappler, P Marrack - Advances in immunology, 1993 - Elsevier
Publisher Summary This chapter provides evidence that indicates a potential role for
superantigens in the pathogenesis of several human diseases. The term “superantigen” was …

Bacterial pyrogenic exotoxins as superantigens

M Kotb - Clinical microbiology reviews, 1995 - Am Soc Microbiol
The recent discovery of the mode of interaction between a group of microbial proteins known
as superantigens and the immune system has opened a wide area of investigation into the …

Inverse relation between disease severity and expression of the streptococcal cysteine protease, SpeB, among clonal M1T1 isolates recovered from invasive group A …

RG Kansal, A McGeer, DE Low… - Infection and …, 2000 - Am Soc Microbiol
The streptococcal cysteine protease (SpeB) is one of the major virulence factors produced
by group A streptococci (GAS). In this study we investigated if differences exist in SpeB …

Host variation in cytokine responses to superantigens determine the severity of invasive group A streptococcal infection

A Norrby‐Teglund, S Chatellier, DE Low… - European journal of …, 2000 - Wiley Online Library
Cytokines elicited by superantigens have been suggested to play a central role in severe
systemic clinical manifestations of gram‐positive sepsis. Here we provide evidence for a …

Risk factors in the pathogenesis of invasive group A streptococcal infections: role of protective humoral immunity

H Basma, A Norrby-Teglund, Y Guedez… - Infection and …, 1999 - Am Soc Microbiol
An impressive change in the epidemiology and severity of invasive group A streptococcal
infections occurred in the 1980s, and the incidence of streptococcal toxic shock syndrome …

[PDF][PDF] Autoimmunity and molecular mimicry in the pathogenesis of post-streptococcal heart disease

MW Cunningham - Front Biosci, 2003 - article.imrpress.com
[Frontiers in Bioscience 8, s533-543, May 1, 2003] 533 AUTOIMMUNITY AND
MOLECULAR MIMICRY IN THE PATHOGENESIS OF POST-STREPTOCOC Page 1 [Frontiers …

Superantigenic properties of the group A streptococcal exotoxin SpeF (MF)

A Norrby-Teglund, D Newton, M Kotb… - Infection and …, 1994 - Am Soc Microbiol
Streptococcal pyrogenic exotoxin F (SpeF), previously referred to as mitogenic factor, is a
newly described potent mitogen produced by group A streptococci. To investigate whether …

Varying titers of neutralizing antibodies to streptococcal superantigens in different preparations of normal polyspecific immunoglobulin G: implications for therapeutic …

A Norrby-Teglund, H Basma… - Clinical infectious …, 1998 - academic.oup.com
Inasmuch as normal intravenous polyspecific immunoglobulin G (IVIG) neutralizes the
activity of a wide spectrum of superantigens, it may be an efficient adjunctive therapy for …

Reciprocal, temporal expression of SpeA and SpeB by invasive M1T1 group a streptococcal isolates in vivo

SU Kazmi, R Kansal, RK Aziz, M Hooshdaran… - Infection and …, 2001 - Am Soc Microbiol
The streptococcal pyrogenic exotoxins (Spes) play a central role in the pathogenesis of
invasive group A streptococcal (GAS) infections. The majority of recent invasive GAS …