Related Experiment Videos
Bacterial antibodies in ankylosing spondylitis
O Mäki-Ikola1, K Lehtinen, K Granfors
1Department of Medical Microbiology, Turku University, Finland.
Clinical and Experimental Immunology
|June 1, 1991
Summary
This study investigated immune responses in ankylosing spondylitis patients. Elevated antibodies to Klebsiella pneumoniae and Escherichia coli suggest a potential role for these bacteria in the disease
Area of Science:
- Immunology
- Microbiology
- Rheumatology
Background:
- Ankylosing spondylitis is a chronic inflammatory disease.
- The role of microbial infections in ankylosing spondylitis pathogenesis is debated.
Purpose of the Study:
- To investigate the prevalence of antibodies against various bacteria in patients with ankylosing spondylitis.
- To explore potential links between specific microbial infections and ankylosing spondylitis.
Main Methods:
- Enzyme-linked immunosorbent assay (ELISA) was used to measure IgA and IgG antibodies.
- Sera from 99 ankylosing spondylitis patients were analyzed.
- Antibody levels against Salmonellae, Yersiniae, Campylobacter jejuni, Borrelia burgdorferi, Klebsiella pneumoniae, Escherichia coli, Proteus mirabilis, and Chlamydia trachomatis were quantified.
Main Results:
- Increased prevalence of IgA and IgG antibodies against Klebsiella pneumoniae was observed.
- Elevated IgA antibodies against Escherichia coli were also found in patients.
- No significant correlation was found between disease activity and antibody levels.
Conclusions:
- The findings suggest a potential role for Klebsiella pneumoniae in the aetiopathogenesis of ankylosing spondylitis.
- Escherichia coli may also be implicated in the immune response associated with the disease.
- Further research is warranted to elucidate the exact mechanisms involved.