Article
Preimplantation diagnosis of single gene disorders by two-step oocyte genetic analysis using first and second polar body.
Biochemical and molecular medicine - 1 Dec 1997
Verlinsky Y, Rechitsky S, Cieslak J, Ivakhnenko V, Wolf G, Lifchez A, Kaplan B, Moise J, Walle J, White M, Ginsberg N, Strom C, Kuliev A
Abstract excerpt
Previous work on preimplantation genetic diagnosis (PGD) of single gene disorders by the first polar body (IPB) analysis has demonstrated that the genotype of a considerable number of embryos resulting from heterozygous oocytes cannot be predicted without testing their second PB (IIPB). To overcome this limitation we introduce a two-step DNA analysis of oocytes using both IPB and IIPB to identify hemizygous...
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