DNA typing for class II HLA antigens with allele-specific or group-specific amplification. V. Typing for subsets of HLA-DR1 and DR′Br′

Xiaojiang Gao, J. Roberto Moraes, Sharon Miller, Peter Stastny

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Three DRB1 alleles of the DR1 group including DRB1*0101, DRB1*0102, and DRB1*0103 are currently recognized. The first two of these are defined as HLA-DR1 by serologic typing and as either Dw1 or Dw20 by typing with T cells. DRB1*0103, previously called DR′Br′ or DR′BON′, is not detectable by serology. Little information exists about the population frequencies of DRB1*0102 and DRB1*0103. In the present study we have used the polymerase chain reaction (PCR) and allele-specific oligonucleotide probes to determine these alleles. To avoid cross-hybridization with other DRB genes having the same DNA sequences as those of the region to be analyzed, we performed group-specific PCR to amplify only DR1 DRB1 genes. This was accomplished using a 21-nucleotide-long primer, homologous to the first hypervariable region common to the DR1 DRB1 genes, and which under appropriate conditions amplified only DRB1 genes of the DR1 group. Five oligonucleotide probes, one matching the second hypervariable region, two spanning the third hypervariable region, and two covering codons 82 through 89 were used to determine the three alleles. DRB1*0101 (Dw1) was found to be the major type of DR1 in North American Caucasians. In North American black and Brazilian mestizo populations DRB1*0102 (Dw20) was more prevalent. DRB1*0103 (DR′Br′) was detected in only six individuals in the present study.

Original languageEnglish (US)
Pages (from-to)147-154
Number of pages8
JournalHuman Immunology
Volume30
Issue number2
DOIs
StatePublished - 1991

Fingerprint

HLA-DR1 Antigen
DNA Fingerprinting
Histocompatibility Antigens Class II
HLA Antigens
Alleles
Oligonucleotide Probes
Genes
Dichlororibofuranosylbenzimidazole
Polymerase Chain Reaction
Serology
Codon
Population
Nucleotides
T-Lymphocytes

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

DNA typing for class II HLA antigens with allele-specific or group-specific amplification. V. Typing for subsets of HLA-DR1 and DR′Br′. / Gao, Xiaojiang; Moraes, J. Roberto; Miller, Sharon; Stastny, Peter.

In: Human Immunology, Vol. 30, No. 2, 1991, p. 147-154.

Research output: Contribution to journalArticle

Gao, Xiaojiang ; Moraes, J. Roberto ; Miller, Sharon ; Stastny, Peter. / DNA typing for class II HLA antigens with allele-specific or group-specific amplification. V. Typing for subsets of HLA-DR1 and DR′Br′. In: Human Immunology. 1991 ; Vol. 30, No. 2. pp. 147-154.
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