Current Status of Preimplantation Genetic Diagnosis

سال انتشار: 1383
محل انتشار: International Journal of Reproductive BioMedicine، دوره: 2، شماره: 1
کد COI اختصاصی: JR_IJRM-2-1_001
زبان مقاله: انگلیسی
تعداد مشاهده: 478

نویسندگان

ART and Reproductive Genetics Center, Istanbul Memorial Hospital, Istanbul, Turkey.

چکیده

Since its first clinical application in early 90s, preimplantation genetic diagnosis (PGD) has became a powerful diagnostic procedure in clinical practice for avoiding the birth of an affectedchild as well as increasing the assisted reproductive technologies (ART) outcome . The technique involves the screening of preimplantation embryos for chromosomal abnormalities in certain indications such as advanced maternal age, repeated abortions and translocations, or for single genedefects, the majority of which are cystic fibrosis and thalassaemias. In this context, it becomes analternative option for traditional prenatal diagnosis. So far, more than 1000 unaffected babies havebeen born after PGD, indicating that the procedure is safe and effective in prevention of geneticdefects as well as increasing the ART outcome. Besides its diagnostic value and expanding indications such as cancer predisposition, dynamic mutations and late onset disorders, a new feature, namely preimplantation human leuckocyte antigen (HLA) typing also demonstrates itsnovel therapeutic role in contemporary medicine. This article summarizes the recent status of PGD and discusses the current limitations and future perspectives associated with PGD techniques.

کلیدواژه ها

PGD, ART,FISH

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