Animal Models of Pneumococcal pneumonia

Noemi Borsa1,2, Marta Di Pasquale1, Marcos I Restrepo3,4

  • 1Department of Pathophysiology and Transplantation, University of Milan, Internal Medicine Department, Respiratory unit and Adult Cystic Fibrosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy.

Insights

Streptococcus pneumoniae causes severe pneumonia, with rising antibiotic resistance necessitating better animal models. This review details various models for studying pneumococcal disease and evaluating new treatments and vaccines.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Immunology

Background:

  • Streptococcus pneumoniae is a major cause of bacterial pneumonia globally, particularly in vulnerable populations.
  • Increasing penicillin and macrolide resistance in S. pneumoniae complicates treatment and highlights the need for novel strategies.
  • Animal models are crucial for understanding pneumococcal pathogenesis and developing effective interventions.

Purpose of the Study:

  • To review and characterize diverse animal models of pneumococcal pneumonia.
  • To provide a comprehensive assessment of factors influencing model utility in research.

Main Methods:

  • Narrative review of existing literature on animal models for Streptococcus pneumoniae pneumonia.
  • Analysis of models based on bacterial strains, inoculation methods, and pathogenesis.
  • Evaluation of models concerning clinical presentation, diagnosis, and therapeutic/preventive strategies.

Main Results:

  • Different animal models exhibit varying suitability for studying specific aspects of pneumococcal pneumonia.
  • Key considerations include the choice of S. pneumoniae strain and inoculation route.
  • Models allow for the investigation of disease progression, host response, and efficacy of interventions.

Conclusions:

  • Appropriate selection of animal models is critical for advancing research on Streptococcus pneumoniae infections.
  • These models are indispensable tools for the development of new vaccines and antimicrobial therapies.
  • Further refinement of animal models will aid in combating the global burden of pneumococcal disease.

Related Concept Videos

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria11:32

Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria

Streptococcus pneumoniae is the leading pathogen causing severe community-acquired pneumonia and responsible for over 2 million deaths worldwide. The impact of bacterial factors implicated in fitness or virulence can be monitored in real-time in an acute mouse pneumonia or bacteremia model using bioluminescent...
15.6K
Experimental Human Pneumococcal Carriage07:47

Experimental Human Pneumococcal Carriage

Experimental human pneumococcal carriage offers a natural model of carriage and a potential model for use in vaccine development. This technique is valuable yet complex and involves clinical risk by introducing a pathogen into a human. We have developed a detailed...
16.2K
Capsular Serotyping of Streptococcus pneumoniae Using the Quellung Reaction04:25

Capsular Serotyping of Streptococcus pneumoniae Using the Quellung Reaction

The Quellung reaction is the gold standard technique for serotyping Streptococcus pneumoniae. This technique utilizes a microscope and specific pneumococcal antisera and is commonly used in reference and research laboratories...
46.5K
Capsular Serotyping of Streptococcus pneumoniae by Latex Agglutination09:11

Capsular Serotyping of Streptococcus pneumoniae by Latex Agglutination

Latex agglutination testing is a simple, rapid and inexpensive method for serotyping Streptococcus pneumoniae, and has also been widely applied in diagnostic microbiology. This manuscript describes the in-house production of latex agglutination reagents, quality control procedures and the application of this technique to pneumococcal...
22.6K
A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness12:21

A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness

This paper describes a novel mouse model for the transition of pneumococcus from an asymptomatic colonizer to a disease-causing pathogen during viral infection. This model can be readily adapted to study polymicrobial and host-pathogen interactions during the different phases of disease progression and across various hosts.
3.1K
A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii09:17

A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii

A method for establishing lung infections in immunocompetent rodents is described. With proficiency, this method can be performed quickly and easily to induce stable infection with many isolates of S. pneumoniae, H. influenzae, P. aeruginosa, K. pneumoniae and A.
15.1K