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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/42025
Title: First successful trial of preimplantation genetic diagnosis for pantothenate kinase-associated neurodegeneration
Authors: Objoon Trachoo
Chonthicha Satirapod
Bhakbhoom Panthan
Matchuporn Sukprasert
Angkana Charoenyingwattana
Wasun Chantratita
Wicharn Choktanasiri
Suradej Hongeng
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 1-Jan-2017
Citation: Journal of Assisted Reproduction and Genetics. Vol.34, No.1 (2017), 109-116
Abstract: © 2016, Springer Science+Business Media New York. Purpose: We aim to present a case of a healthy infant born after intracytoplasmic sperm injection-in vitro fertilization (ICSI-IVF) with a preimplantation genetic diagnosis (PGD) for pantothenate kinase-associated neurodegeneration (PKAN) due to PANK2 mutation. Methods: ICSI-IVF was performed on a Thai couple, 34-year-old female and 33-year-old male, with a family history of PKAN in their first child. Following fertilization, each of the embryos were biopsied in the cleavage stage and subsequently processed for whole-genome amplification. Genetic status of the embryos was diagnosed by linkage analysis and direct mutation testing using primer extension-based mini-sequencing. Comprehensive chromosomal aneuploidy screening was performed using a next-generation sequencing-based strategy. Results: Only a single cycle of ICSI-IVF was processed. There were seven embryos from this couple—two were likely affected, three were likely carriers, one was likely unaffected, and one failed in target genome amplification. Aneuploidy screening was performed before making a decision on embryo transfer, and only one unaffected embryo passed the screening. That embryo was transferred in a frozen thawed cycle, and the pregnancy was successful. The diagnosis was confirmed by amniocentesis, which presented with a result consistent with PGD. At 38 weeks of gestational age, a healthy male baby was born. Postnatal genetic confirmation was also consistent with PGD and the prenatal results. At the age of 24 months, the baby presented with normal growth and development lacking any neurological symptoms. Conclusions: We report the first successful trial of PGD for PKAN in a developing country using linkage analysis and mini-sequencing in cleavage stage embryos.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84994201324&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/42025
ISSN: 15737330
10580468
Appears in Collections:Scopus 2016-2017

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