HOMEPRODUCTSCOMPANYCONTACTFAQResearchDictionaryPharmaSign Up FREE or Login

Only weak association between disease severity and HLA-DRB 1 genes in a Swiss population of rheumatoid arthritis patients.

Abstract
This study analyses the prognostic value of HLA-DRB 1 genes for Swiss patients with rheumatoid arthritis (RA). HLA-DRB 1 genotyping was performed in 83 patients using the polymerase chain reaction and subsequent oligonucleotide hybridisation. They were categorised according to the presence of one or two putatively relevant genes (DRB 1*01 and/or DRB 1*04) and retrospectively evaluated for sex, age at disease onset, seropositivity, erosive disease and extraarticular manifestations. Sixty-one patients (73%) had disease-associated alleles. Twenty-four patients showed HLA-DRB 1*04 variants on both alleles or combined an HLA-DRB 1*04 variant with HLA-DRB 1*01, while 37 patients expressed only one relevant allele. Interestingly, 22 patients did not express any relevant allele. Some 52% of patients had nodular disease, 88% were seropositive. 96% had joint erosions and 11% expressed vasculitis and/or rheumatoid organ disease. A significant difference was observed only for the number of seropositive individuals, which was slightly higher in the group of patients expressing a double dose of disease-associated alleles than in patients who had no relevant alleles. Moreover, patients expressing homozygous DRB 1 alleles had a significantly earlier onset of disease than those who were heterozygous. We conclude from these findings that HLA-DRB 1 genotyping in a Swiss population of RA patients only weakly identifies clinical subsets with distinct profiles of disease manifestations and is not of strong prognostic value to determine disease severity in individual patients.
AuthorsM Seitz, M Perler, W Pichler
JournalRheumatology international (Rheumatol Int) Vol. 16 Issue 1 Pg. 9-13 ( 1996) ISSN: 0172-8172 [Print] Germany
PMID8783416 (Publication Type: Journal Article)
Chemical References
  • HLA-DR Antigens
  • HLA-DRB1 Chains
Topics
  • Alleles
  • Arthritis, Rheumatoid (genetics, physiopathology)
  • Female
  • Genotype
  • HLA-DR Antigens (analysis)
  • HLA-DRB1 Chains
  • Humans
  • Male
  • Middle Aged
  • Polymerase Chain Reaction
  • Prognosis
  • Retrospective Studies
  • Severity of Illness Index
  • Switzerland

Join CureHunter, for free Research Interface BASIC access!

Take advantage of free CureHunter research engine access to explore the best drug and treatment options for any disease. Find out why thousands of doctors, pharma researchers and patient activists around the world use CureHunter every day.
Realize the full power of the drug-disease research graph!


Choose Username:
Email:
Password:
Verify Password:
Enter Code Shown: