Activation-Induced Cytidine Deaminase (AID)-Associated Multigene Signature to Assess Impact of AID in Etiology of Diseases with Inflammatory Component
2011

Impact of AID in Inflammatory Diseases

Sample size: 33 publication 10 minutes Evidence: moderate

Author Information

Author(s): Mechtcheriakova Diana, Sobanov Yury, Holtappels Gabriele, Bajna Erika, Svoboda Martin, Jaritz Markus, Bachert Claus, Jensen-Jarolim Erika

Primary Institution: Medical University of Vienna

Hypothesis

The study aims to assess the role of activation-induced cytidine deaminase (AID) in the etiology of diseases with an inflammatory component.

Conclusion

The study demonstrates that AID is expressed in nasal polyp tissues and is associated with class switch recombination and somatic hypermutation events.

Supporting Evidence

  • AID expression was significantly higher in nasal polyp tissues compared to chronic rhinosinusitis tissues.
  • Elevated levels of IgE and IgG transcripts were associated with AID expression in nasal polyps.
  • Immunostaining confirmed the presence of AID-positive cells in nasal polyp tissues.

Takeaway

The study found that a specific gene related to immune response, AID, is active in nasal polyps, which could help us understand and treat related diseases better.

Methodology

The study used real-time PCR to analyze gene expression in nasal mucosal tissues from patients with chronic rhinosinusitis with and without nasal polyps.

Potential Biases

Potential bias may arise from the selection of patient samples and the specific methodologies used.

Limitations

The study is limited by the small sample size and the focus on a specific disease model.

Participant Demographics

Patients included 15 with chronic rhinosinusitis without nasal polyps and 18 with nasal polyps.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0025611

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