A Possible Link between Infection with Burkholderia Bacteria and Systemic Lupus Erythematosus Based on Epitope Mimicry
2008

Link Between Burkholderia Bacteria and Lupus

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): W. Zhang, M. Reichlin

Primary Institution: Oklahoma Medical Research Foundation

Hypothesis

The origin of anti-dsDNA antibodies in systemic lupus erythematosus (SLE) may be associated with Burkholderia bacterial infection.

Conclusion

The study suggests that anti-dsDNA antibodies from lupus patients can react with Burkholderia fungorum bacterial proteins, indicating a potential link between the bacteria and the disease.

Supporting Evidence

  • Purified anti-dsDNA antibodies from lupus patients can bind to Burkholderia fungorum bacterial proteins.
  • Seven out of twelve tested anti-dsDNA antibodies reacted with Burkholderia proteins in Western blot.
  • Sera from SLE patients showed significantly higher binding to bacterial antigens compared to control sera.

Takeaway

This study found that some antibodies in lupus patients can stick to bacteria, which might help explain why some people get lupus.

Methodology

The study involved collecting sera from SLE patients, purifying anti-dsDNA antibodies, and testing their binding to Burkholderia proteins using ELISA and Western blot.

Participant Demographics

30 SLE patients who satisfied the American College of Rheumatology criteria for classification of SLE.

Statistical Information

P-Value

<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1155/2008/683489

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