Abstract:Currently at least 23 different HLA-DRB 1*04 alleles have been defined by the WHO HLA Nomenclature Committee for HLA Factors (1,2). Here, we report the detection of a new DR4 allele (Accession No X9685 1) officially named DRB 1 *04012. Surprisingly, this new allele was discovered independently, and nearly simultaneously, in two unrelated Caucasian individuals of Belgian origin. The first one (UCL-MS) was a leukemic patient awaiting bone marrow transplantation. He was HLA typed at the Immunohematology Laborator… Show more
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