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Chronic Inflammatory Diseases at Secondary Sites Ensuing Urogenital or Pulmonary Chlamydia Infections

Yi Ying Cheok1, Chalystha Yie Qin Lee1, Heng Choon Cheong1

  • 1Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.

Microorganisms
|January 23, 2020
PubMed

Insights

Chlamydia bacteria can spread from initial infection sites to cause serious diseases elsewhere in the body. This review explores how Chlamydia infections lead to pathologies at secondary sites and the mechanisms behind this spread.

Area of Science:

  • Microbiology
  • Immunology
  • Pathogenesis

Background:

  • Chlamydia trachomatis and Chlamydia pneumoniae are obligate intracellular bacteria causing distinct primary infections.
  • C. trachomatis primarily affects urogenital and ocular mucosal surfaces, leading to pelvic inflammatory disease and blindness.
  • C. pneumoniae is a key cause of pulmonary infections.

Purpose of the Study:

  • To review Chlamydia-associated diseases occurring at secondary infection sites.
  • To elucidate the mechanisms of Chlamydia migration and pathogenesis in remote host tissues.

Main Methods:

  • Literature review of studies on Chlamydia infections and associated pathologies.
  • Analysis of proposed mechanisms for bacterial dissemination and immune response modulation.

Main Results:

  • Chlamydia species are known to disseminate from primary infection sites.
  • Secondary pathologies include sexually acquired reactive arthritis (C. trachomatis) and chronic inflammatory diseases like atherosclerosis and multiple sclerosis (C. pneumoniae).

Conclusions:

  • Chlamydia infections can lead to significant pathologies at secondary sites.
  • Understanding Chlamydia migration and pathogenesis is crucial for developing effective treatments for these disseminated diseases.
Keywords:
Alzheimer’s diseaseChlamydia pneumoniaeChlamydia trachomatisatherosclerosischronic inflammationmultiple sclerosisprimary biliary cirrhosisreactive arthritis

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