Detection of a novel splice variant of the hypoxanthine-guanine phosphoribosyl transferase gene in human oocytes and preimplantation embryos: implications for a RT-PCR-based preimplantation diagnosis of Lesch-Nyhan syndrome.

Abstract excerpt

We have detected a novel splice variant of the hypoxanthine-guanine phosphoribosyl transferase (HPRT) gene in two human oocytes and four preimplantation embryos from the 4-cell to the 8-cell stage of development. The novel HPRT transcript lacks exons 4, 5 and 6 of the normal HPRT gene. The same parental origin for the two oocytes and two of the preimplantation embryos, in which the alternatively spliced...

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