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Updated: Aug 30, 2026

Metagenomic Next-Generation Sequencing of Cerebrospinal Fluid for the Detection of Central Nervous System Pathogens
10:08

Metagenomic Next-Generation Sequencing of Cerebrospinal Fluid for the Detection of Central Nervous System Pathogens

Published on: April 17, 2026

Association of Chlamydia pneumoniae with central nervous system disease

Charles W Stratton1, Subramaniam Sriram

  • 1Department of Pathology, Vanderbilt University Medical Center, Nashville, TN, USA.

Microbes and Infection
|November 19, 2003
PubMed

Insights

Chlamydia pneumoniae infections may contribute to chronic neurological diseases like multiple sclerosis and Alzheimer's disease. This review explores the mechanisms behind this potential link, focusing on the pathogen's persistence in macrophages.

Area of Science:

  • Infectious diseases
  • Neurology
  • Immunology

Background:

  • Chlamydia pneumoniae is a common respiratory bacterium.
  • It has been implicated in various chronic diseases.
  • The pathogen's ability to infect and persist in macrophages is key.

Purpose of the Study:

  • To review the potential role of Chlamydia pneumoniae in neurological diseases.
  • To explore the underlying mechanisms of C. pneumoniae-associated neurological conditions.
  • To examine the link between C. pneumoniae and diseases such as multiple sclerosis and Alzheimer's disease.

Main Methods:

  • Literature review of existing studies.
  • Analysis of C. pneumoniae's pathogenic mechanisms.
  • Investigation of its dissemination to the central nervous system.

Main Results:

  • C. pneumoniae can infect and persist within macrophages.
  • Macrophages can facilitate the dissemination of C. pneumoniae to various tissues, including the CNS.
  • Evidence suggests a potential role in neuroinflammation and neurodegeneration.

Conclusions:

  • Chlamydia pneumoniae infections may be a contributing factor in the pathogenesis of multiple sclerosis and Alzheimer's disease.
  • Further research is needed to elucidate the precise mechanisms and establish causality.
  • Understanding this link could open new avenues for diagnosis and treatment of neurological disorders.

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