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Recurrent deletion in the human antithrombin III gene

Grundy, C. B., Thomas, F., Millar, David Stuart, Krawczak, M., Melissari, E., Lindo, V., Moffat, E., Kakkar, V. V. and Cooper, David Neil ORCID: 1991. Recurrent deletion in the human antithrombin III gene. Blood 78 (4) , pp. 1027-1032.

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Eight unrelated patients with recurrent thromboembolism, a family history of thrombosis, and plasma antithrombin III (ATIII) activity/antigen levels consistent with a diagnosis of heterozygous type I ATIII deficiency were studied by polymerase chain reaction/direct sequencing of ATIII gene exon-coding regions. Frameshift mutations of one base and two bases, respectively, were found to have occurred in two unrelated patients at the same GAG codon (Glu 245) within exon 4 of the ATIII gene. A literature search showed six further hitherto unrecognized deletion "hotspots" in four other human genes. These deletion-prone sites exhibited sufficient sequence homology with each other to derive a consensus sequence (T G A/G A/G G A/C), suggesting that deletion in human genes may not only be non-random but also sequence-directed.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
Publisher: American Society of Hematology
ISSN: 0006-4971
Last Modified: 06 May 2023 01:16

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