Cited by 492Bacterial Infections and VaccinesPneumonia and Respiratory InfectionsStreptococcal Infections and Treatments

Pathogenesis and Pathophysiology of Pneumococcal Meningitis

Open access
Mook-Kanamori, Barry B., Geldhoff, Madelijn, van der Poll, Tom, van de Beek, Diederik·2011·Clinical Microbiology Reviews

Abstract

Pneumococcal meningitis continues to be associated with high rates of mortality and long-term neurological sequelae. The most common route of infection starts by nasopharyngeal colonization by Streptococcus pneumoniae, which must avoid mucosal entrapment and evade the host immune system after local activation. During invasive disease, pneumococcal epithelial adhesion is followed by bloodstream invasion and activation of the complement and coagulation systems. The release of inflammatory mediators facilitates pneumococcal crossing of the blood-brain barrier into the brain, where the bacteria multiply freely and trigger activation of circulating antigen-presenting cells and resident microglial cells. The resulting massive inflammation leads to further neutrophil recruitment and inflammation, resulting in the well-known features of bacterial meningitis, including cerebrospinal fluid pleocytosis, cochlear damage, cerebral edema, hydrocephalus, and cerebrovascular complications. Experimental animal models continue to further our understanding of the pathophysiology of pneumococcal meningitis and provide the platform for the development of new adjuvant treatments and antimicrobial therapy. This review discusses the most recent views on the pathophysiology of pneumococcal meningitis, as well as potential targets for (adjunctive) therapy.

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  • In cases of bacterial meningitis, infections usually start as skin, gastrointestinal or respiratory infections that spread to the blood, and bacteria accumulate in the leptomeningeal vasculature and move into the meninges by inducing BBB breakdown.

    “In cases of bacterial meningitis, infections usually start as skin, gastrointestinal or respiratory infections that spread to the blood”

    From Living on the Edge of the CNS: Meninges Cell Diversity in Health and Disease (2021) · cites this paper as Mook-Kanamori et al., 2011

  • Bacterial presence in the meninges induces a strong inflammatory response, including production of multiple cytokines (TNF-alpha, IL-1-beta, and IL-6), and a massive infiltration of neutrophils, and these cytokines and neutrophils work to quell the infection but also drive the breakdown of endothelial cell tight junctions.

    “Bacterial presence in the meninges induces a strong inflammatory response, including production of multiple cytokines (tumor necrosis factor (TNF)-alpha, interleukin (IL)-1-beta, and IL-6), and a massive infiltration of neutrophils”

    From Living on the Edge of the CNS: Meninges Cell Diversity in Health and Disease (2021) · cites this paper as Mook-Kanamori et al., 2011

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Authors
Mook-Kanamori, B. B., Geldhoff, M., van der Poll, T., & van de Beek, D.
Affiliations
  • Amsterdam UMC Location University of Amsterdam (NL)
  • Department of Neurology and Center for Experimental and Molecular Medicine (CEMM), Center of Infection and Immunity Amsterdam (CINIMA), Academic Medical Center, P.O. Box 22660, 1100DD Amsterdam, The Netherlands
Venue
Clinical Microbiology Reviews
Published
2011-07
Volume
24
Issue
3
Pages
557-591
ISSN
  • 0893-8512 (ISSN-L)
  • 1098-6618
OpenAlex
W2171827842
Cited by
492
References
569
Citations by year
2026: 13 · 2025: 33 · 2024: 32 · 2023: 28 · 2022: 29 · 2021: 45 · 2020: 48 · 2019: 38 · 2018: 22 · 2017: 28 · 2016: 46 · 2015: 37 · 2014: 39 · 2013: 24 · 2012: 27
FWCI
3.37
Type
journal article
Language
en
Open access
Locations
  • Clinical Microbiology Reviews (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Bacterial Infections and Vaccines
  • Health Sciences › Medicine › Epidemiology › Pneumonia and Respiratory Infections
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Streptococcal Infections and Treatments
Keywords
pneumococcal meningitis, Streptococcus pneumoniae, pathogenesis, pathophysiology, nasopharyngeal carriage, epithelial cell adhesion, blood-brain barrier penetration, complement activation, coagulation, microglia, neutrophil recruitment, cerebrospinal fluid pleocytosis, cochlear damage, cerebral edema, hydrocephalus, cerebrovascular complications, animal models, adjunctive therapy, antimicrobial therapy
MeSH terms
Animals, Humans, Inflammation, Meningitis, Pneumococcal, Streptococcus pneumoniae

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