Publicação: Development of a real-time PCR method for rapid sexing of human preimplantation embryos
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Reproductive Healthcare Ltd
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Resumo
Genes on the X chromosome are known to be responsible for more than 200 hereditary diseases. After IVF, the simple selection of embryo sex before uterine transfer can prevent the occurrence of affected offspring among couples at risk for these genetic disorders. The aim of this investigation was to develop a rapid method of preimplantation genetic diagnosis (PGD) using real-time polymerase chain reaction (PCR) for the sexing of human embryos, and to compare it to the fluorescence in-situ hybridization technique, considered to be the gold standard. After biopsies were obtained from 40 surplus non-viable embryos for transfer, a total of 98 blastomeres were analysed. It was possible to analyse 24 embryos (60%) by both techniques, generating a total of 70 blastomeres (35 per technique), white 28 blastomeres from 16 embryos (40%) were analysed only by real-time PCR. A rapid and safe method was developed in the present study for the sexual diagnosis of a single human cell (blastomere and buccal cell) using the emerging technology of real-time PCR. (C) 2009, Reproductive Healthcare Ltd. Published by Elsevier Ltd. All rights reserved.
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fluorescence in-situ hybridization (FISH), preimplantation genetic diagnosis (PGD), real-time quantitative PCR, sexing human embryos, single cells, TaqMan MGB probes
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Inglês
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Reproductive Biomedicine Online. Cambridge: Reproductive Healthcare Ltd, v. 20, n. 1, p. 75-82, 2010.
