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The genetic screening of preimplantation embryos by comparative genomic hybridisation
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作者:

Traversa, Maria V.
论文数: 0 引用数: 0
h-index: 0
机构:
Genea, Sydney, NSW 2000, Australia Genea, Sydney, NSW 2000, Australia

Marshall, James
论文数: 0 引用数: 0
h-index: 0
机构:
Genea, Sydney, NSW 2000, Australia Genea, Sydney, NSW 2000, Australia

McArthur, Steven
论文数: 0 引用数: 0
h-index: 0
机构:
Genea, Sydney, NSW 2000, Australia Genea, Sydney, NSW 2000, Australia

Leigh, Don
论文数: 0 引用数: 0
h-index: 0
机构:
Genea, Sydney, NSW 2000, Australia Genea, Sydney, NSW 2000, Australia
机构:
[1] Genea, Sydney, NSW 2000, Australia
关键词:
aneuploidy;
comparative genomic hybridization;
PGD;
blastocyst;
BLASTOCYST STAGE;
DIAGNOSIS;
D O I:
暂无
中图分类号:
Q [生物科学];
学科分类号:
07 ;
0710 ;
09 ;
摘要:
Comparative genomic hybridization (CGH) is an indirect DNA-based test which allows for the accurate analysis of aneuploidy involving any of the 24 types of chromosomes present (22 autosomes and the X and Y sex chromosomes). Traditionally, embryos have been screened using fluorescence in situ hybridization (FISH) - a technique that was limited in the number of chromosomes able to be identified in any one sample. Early CGH reports on aneuploidy in preimplantation embryos showed that any of the 24 chromosomes could be involved and so FISH methods were going to be ineffective in screening out abnormal embryos. Our results from routine clinical application of array CGH in preimplantation genetic diagnosis (PGD) patients confirm previous reports on patterns of chromosomal contribution to aneuploidy. The pregnancy outcomes following embryo transfer also indicate that despite the requirement to freeze embryos, rates are encouraging, and successful ongoing pregnancies can be achieved. Reproductive Biology 2011 Suppl. 3: 51-60.
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页码:51 / 60
页数:10
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