Aberrant splicing of intron 1 creates a novel null HLA-B*1501 allele.


A comparison of serological and DNA HLA class I typing data identified a serological "blank" HLA-B15 antigen in a volunteer donor on the bone marrow registry. Isoelectric focusing and Western blot analysis of a cell line established from this individual confirmed that the HLA-B15 antigen is not expressed at the cell surface. Nucleotide sequence analysis of… (More)


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