Cytochrome p450 1A1 gene polymorphisms in patients with psoriatic arthritis

J. H. Yen, W. C. Tsai, C. H. Lin, T. T. Ou, C. J. Hu, H. W. Liu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Objective: To investigate the associations of cytochrome p450 1A1 (CYP1A1) gene polymorphisms with susceptibility to psoriatic arthritis in Taiwan. Methods: CYP 1A1 gene polymorphisms were determined in 52 patients with psoriatic arthritis and in 90 healthy controls by polymerase chain reaction/restriction fragment length polymorphism. Results: The genotype frequency of CYP1A1 4889A/G was significantly increased in patients with psoriatic arthritis in comparison with healthy controls. The phenotype frequency of CYP1A1 4889G was also significantly increased in patients with psoriatic arthritis. The genotype frequency of CYP1A1 4887C/A was significantly higher in patients with psoriatic arthritis than in controls. The allele and phenotype frequencies of 4887A were also significantly increased in patients with psoriatic arthritis. We also found that the association of CYP1A1 4887A with psoriatic arthritis was independent of 4889G but a synergistic effect was present between CYP1A1 4887A and 4889G. The CYP1A1 4889A/G and 4887C/A polymorphisms were not associated with the manifestations and severity of psoriatic arthritis. Conclusion: CYP1A1 4887A and 4889G may be precipitating factors for susceptibility to psoriatic arthritis in Taiwan. An additive effect was found between CYP1A1 4887A and 4889G.

Original languageEnglish
Pages (from-to)19-23
Number of pages5
JournalScandinavian Journal of Rheumatology
Volume33
Issue number1
DOIs
Publication statusPublished - 2004
Externally publishedYes

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Psoriatic Arthritis
Cytochrome P-450 Enzyme System
Genes
Taiwan
Genotype
Phenotype
Precipitating Factors
Cytochrome P-450 CYP1A1
Gene Frequency
Restriction Fragment Length Polymorphisms
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Immunology
  • Rheumatology

Cite this

Cytochrome p450 1A1 gene polymorphisms in patients with psoriatic arthritis. / Yen, J. H.; Tsai, W. C.; Lin, C. H.; Ou, T. T.; Hu, C. J.; Liu, H. W.

In: Scandinavian Journal of Rheumatology, Vol. 33, No. 1, 2004, p. 19-23.

Research output: Contribution to journalArticle

Yen, J. H. ; Tsai, W. C. ; Lin, C. H. ; Ou, T. T. ; Hu, C. J. ; Liu, H. W. / Cytochrome p450 1A1 gene polymorphisms in patients with psoriatic arthritis. In: Scandinavian Journal of Rheumatology. 2004 ; Vol. 33, No. 1. pp. 19-23.
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