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Forward Genetic Approaches in Chlamydia trachomatis
09:03

Forward Genetic Approaches in Chlamydia trachomatis

Published on: October 23, 2013

Detection of Chlamydia trachomatis DNA in joints of reactive arthritis patients by polymerase chain reaction

D Taylor-Robinson1, C B Gilroy, B J Thomas

  • 1Division of Sexually Transmitted Diseases, Clinical Research Centre, Harrow, Middlesex, UK.

Lancet (London, England)
|July 11, 1992
PubMed

Insights

This study confirms Chlamydia trachomatis in reactive arthritis joints using PCR. The findings support earlier research linking chlamydiae to this condition, enhancing diagnostic understanding.

Area of Science:

  • Microbiology
  • Immunology
  • Rheumatology

Background:

  • Sexually acquired reactive arthritis (SARA) is a condition linked to Chlamydia trachomatis infection.
  • Previous studies suggested a role for chlamydiae in the joints of patients with reactive arthritis.

Purpose of the Study:

  • To re-examine stored patient samples using a more sensitive molecular method.
  • To confirm the presence of Chlamydia trachomatis DNA in synovial tissues from SARA patients.

Main Methods:

  • Direct immunofluorescence (DIF) was initially used on synovial fluid and biopsy samples.
  • Stored cell samples were re-analyzed using polymerase chain reaction (PCR) to detect Chlamydia trachomatis DNA.

Main Results:

  • Chlamydial DNA was detected in four of five previously DIF-positive SARA patients.
  • DNA was also found in one DIF-negative SARA patient and one DIF-negative control.
  • An 80% concordance rate was observed between DIF and PCR methods.

Conclusions:

  • The study provides further evidence for the presence of Chlamydia trachomatis in the joints of individuals with reactive arthritis.
  • PCR analysis supports and expands upon initial DIF findings, reinforcing the etiological link.

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