Case Reports
Hemophilia B with inhibitor: molecular analysis of the subtotal deletion of the factor IX gene
- PMID: 2992643
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Case Reports
Hemophilia B with inhibitor: molecular analysis of the subtotal deletion of the factor IX gene
Blood.
1985 Sep.
Free article
Abstract
The structure of factor IX gene was analyzed in a hemophilia B patient with inhibitor. Genomic DNA, digested with a variety of restriction endonucleases, was hybridized with the cDNA and various genomic factor IX probes. A large subtotal deletion of the gene was observed. The borders of the deletion span from a approximately 125 nucleotide region within the last exon to an unknown domain at least 7.5 kb upstream from the first exon: it thus involves approximately 33 kb of the factor IX locus. The abnormal gene was inherited by the daughter of the propositus, who showed both the normal and the deleted allele.
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