Genetic variants of chemokine receptor CCR7 in patients with systemic lupus erythematosus, Sjogren's syndrome and systemic sclerosis
2007

Genetic Variants of CCR7 in Autoimmune Diseases

Sample size: 200 publication Evidence: low

Author Information

Author(s): Kahlmann Daniel, Davalos-Misslitz Ana Clara Marques, Ohl Lars, Stanke Frauke, Witte Torsten, Förster Reinhold

Primary Institution: Hannover Medical School

Hypothesis

Are mutations of CCR7 linked to autoimmunity in humans?

Conclusion

Variants of the CCR7 gene occur at a very low frequency in the German population and are not associated with Sjogren's syndrome, systemic lupus erythematosus, or systemic sclerosis.

Supporting Evidence

  • Six different CCR7 sequence variants were identified in the study.
  • The identified variants were present in both patients and control groups.
  • No correlation was found between CCR7 variants and the autoimmune diseases investigated.
  • The -60 C/T mutation led to reduced luciferase activity in vitro.

Takeaway

The study looked at a gene called CCR7 in people with autoimmune diseases and found that changes in this gene are very rare and don't seem to cause these diseases.

Methodology

DNA samples from 160 patients with autoimmune diseases and 40 healthy controls were sequenced to identify CCR7 variants.

Potential Biases

Potential bias due to the specific population studied (German descent).

Limitations

The study's sample size may limit the generalizability of the findings.

Participant Demographics

160 patients with autoimmune diseases (Sjogren's syndrome, systemic lupus erythematosus, systemic sclerosis) and 40 healthy controls, all of German descent.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2156-8-33

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