Jan 1, 1990

DNA typing for HLA-DPB1*02 and -DPB1*04 in multiple sclerosis and juvenile rheumatoid arthritis

Immunogenetics
L FuggerA Svejgaard

Abstract

DP gene typing using in vitro DNA amplification combined with sequence-specific oligonucleotide probes (SSOP) has recently been reported. The amplification step may be specific for the HLA-DPB locus, or it may be specific for one or a group of HLA-DPB alleles, thus increasing the discriminatory power of the system. We report the combined use of group-specific DNA in vitro amplification followed by SSOP in typing for DPB1*02 and DPB1*04 variants. The method was used to type for these variants in 96 randomly selected, healthy Danes, in 37 patients with pauciarticular juvenile rheumatoid arthritis (PJRA), and in 38 patients with multiple sclerosis (MS). Increased frequencies of the cellularly defined HLA-DPw2 in PJRA and of HLA-DPw4 in MS have previously been reported. In the patient groups, the frequencies of the DPB1*02 and DPB1*04 variants did not differ significantly from those expected based on the cellularly defined HLA-DP types of the patients and the frequencies of the DPB1*02 and DPB1*04 variants among healthy Danes.

Mentioned in this Paper

HLA-DPw2 antigen
Gene Amplification
HLA-DPA1 gene
Pauciarticular Juvenile Rheumatoid Arthritis
Oligonucleotide Probes
Gene Amplification Technique
Rheumatoid Arthritis
HLA-DPB1 gene
Homologous Sequences, Nucleic Acid
Juvenile-Onset Still Disease

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