Corell, A and Pay, AL and Little, AM and Hoddinott, MA and Arguello, JR and Borton, M and Dunne, C and Ogilvie, H and O'Shea, J and Madrigal, JA and Marsh, SGE (2000) Reference strand mediated conformation analysis resolves HLA-DRB1 typing ambiguities when matching for unrelated bone marrow transplantation. Tissue Antigens , 56 (1) 82 - 86.
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We show here the use of reference strand mediated conformation analysis (RSCA) to unambiguously resolve the HLA-DRB1 typing of two individuals which were selected as potential unrelated donors for bone marrow transplantation (BMT). In the first case, both sequence-specific primer (SSP) amplification and sequence-specific oligonucleotide probing (SSO), routinely used in different tissue typing laboratories gave, for the two unrelated donors, the same ambiguous typing of HLA-DRB1*04011+*0403 or DRB1*0407+*0413. In this case sequence-based typing (SBT) was not the method of choice to resolve the situation, due to the sequence ambiguities of these two given combinations. RSCA of both samples, using homozygous typing cells (HTCs) for DRB1*04011, *0403 and *0407 as internal controls, gave the unambiguous result that both donors were HLA-DRB1*04011+*0403. In the second case, a donor was typed as DRB1*1102+1103 by SSP, while SSO excluded the DRB1*1102 allele. The patient was unambiguously typed as DRB1*1101+1103 by both techniques. RSCA, using DNA from reference cell lines as internal controls, gave the unambiguous typing that the donor was DRB1*1103 homozygous
|Title:||Reference strand mediated conformation analysis resolves HLA-DRB1 typing ambiguities when matching for unrelated bone marrow transplantation|
|Additional information:||LA - Eng CY - DENMARK|
|Keywords:||Allele, AMPLIFICATION, analysis, As, Blood, bone, Bone Marrow, Bone Marrow Transplantation, cell, Cell Line, Cell lines, CELL-LINE, CELLS, control, DNA, DONORS, individuals, Ireland, MED, Patient, reference strand mediated conformation analysis, SAMPLE, SEQUENCE, Spain, technique, Tissue, transplantation|
|UCL classification:||UCL > Pro-Provosts|
UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Wolfson Institute and Cancer Institute Administration > Cancer Institute > Research Department of Haematology
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