Whole genome amplification from single cells in preimplantation genetic diagnosis and prenatal diagnosis
by
Peng W, Takabayashi H, Ikawa K.
Department of Obstetrics and Gynecology,
Shandong Provincial Hospital,
Jinan 250021, China. pengwen506@163.com
Eur J Obstet Gynecol Reprod Biol. 2007 Mar;131(1):13-20.

ABSTRACT

The literature on whole genome amplification (WGA) techniques and their application to preimplantation genetic diagnosis (PGD) and prenatal diagnosis is reviewed. General polymerase chain reaction (PCR) fails to provide adequate information from limited cells in PGD and non-invasive prenatal diagnosis. Therefore several WGA techniques, such as primer extension preamplification (PEP) and degenerate oligonucleotide primed PCR (DOP-PCR), have been developed and successfully applied to clinical work during the past decade, especially in PGD and prenatal diagnosis. These techniques can provide ample amplification of genetic sequences from single cells for a series of subsequent PCR analyses such as restriction fragment length polymorphisms (RFLP) and comparative genomic hybridization (CGH), thus opening up a new area for prenatal diagnosis. However, several problems have been reported in the application of these techniques. The ideal WGA technique should have high yield, faithful representation of the original template, complete coverage of the genome, and simply performed procedure. In order to make good use of these techniques in future research and clinical work, it is undoubtedly necessary for an extensive understanding of the merits and pitfalls of these recently developed techniques.

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