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SC Bock and EV Prochownik
Rockefeller University, New York.
Molecular genetic techniques were utilized to examine antithrombin III
(ATIII) gene status in 16 independently ascertained kindreds with
hereditary ATIII deficiency. In one of these families antithrombin III
deficiency is caused by hemizygosity of the ATIII locus. In the remaining
15 kindreds, two copies of the ATIII gene are present and appear to be
grossly normal at the level of whole genome Southern blotting, suggesting
that small deletions, insertions or limited nucleotide substitution(s) in
the antithrombin III gene, or "trans- acting" defects at other loci
involved in the processing, modification, and secretion of biologically
active ATIII are responsible for the observed anticoagulant disorders.
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| Copyright © 1987 by American Society of Hematology Online ISSN: 1528-0020 | |||||||||