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Related Concept Videos

Streptococcal Pharyngitis01:27

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Diphtheria01:28

Diphtheria

Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...
Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...
Bacterial Toxins01:12

Bacterial Toxins

Bacterial toxins are sophisticated virulence factors that enable pathogenic bacteria to interact with, invade, and damage host tissues. These toxins fall broadly into two types: protein exotoxins, which are secreted into the environment and target specific host receptors, and lipopolysaccharide endotoxins, which are structural components of the bacterial outer membrane released primarily during bacterial lysis or membrane shedding. Exotoxins generally act more selectively, binding to cell...

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Related Experiment Video

Updated: Jun 3, 2026

Implementation of a Permeable Membrane Insert-based Infection System to Study the Effects of Secreted Bacterial Toxins on Mammalian Host Cells
09:25

Implementation of a Permeable Membrane Insert-based Infection System to Study the Effects of Secreted Bacterial Toxins on Mammalian Host Cells

Published on: August 19, 2016

[Streptococcal toxic shock syndrome].

Ljiljana Gvozdenović1, Janko Pasternak, Stanislav Milovanović

  • 1Klinika za anesteziju i intenzivnu terapiju, Klinicki centar Vojvodine, Novi Sad. glila@eunet.yu

Medicinski Pregled
|March 31, 2011
PubMed
Summary

Streptococcal toxic shock syndrome (STSS) is a severe, toxin-mediated illness caused by Group A Streptococcus. Prompt treatment with antibiotics like clindamycin and aggressive management of shock are crucial for survival.

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A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats
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Last Updated: Jun 3, 2026

Implementation of a Permeable Membrane Insert-based Infection System to Study the Effects of Secreted Bacterial Toxins on Mammalian Host Cells
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Implementation of a Permeable Membrane Insert-based Infection System to Study the Effects of Secreted Bacterial Toxins on Mammalian Host Cells

Published on: August 19, 2016

A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats
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A Reproducible Intensive Care Unit-Oriented Endotoxin Model in Rats

Published on: February 20, 2021

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Toxicology

Context:

  • Streptococcal toxic shock syndrome (STSS) is a severe, toxin-mediated illness.
  • Group A Streptococcus (GAS) is the causative agent.
  • STSS shares symptoms with staphylococcal toxic shock syndrome and was first described in 1993.

Purpose:

  • To outline the characteristics, complications, and therapeutic strategies for streptococcal toxic shock syndrome.
  • To emphasize the critical role of early diagnosis and aggressive management.

Summary:

  • STSS presents with sudden fever, chills, vomiting, diarrhea, muscle aches, and rash, rapidly progressing to shock and multisystem dysfunction.
  • Organ systems commonly affected include kidneys and liver, with high mortality rates.
  • Treatment involves aggressive fluid resuscitation, inotropic agents, and targeted antibiotics, including penicillin/beta-lactams and clindamycin.

Impact:

  • Highlights the severity and rapid progression of STSS.
  • Underscores the importance of prompt medical intervention for improving patient outcomes.
  • Identifies key therapeutic agents and management strategies for this life-threatening condition.