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Tytuł:
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Effects of a carrier's sex and age on the segregation patterns of the trivalent of Robertsonian translocations.
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Autorzy:
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Zhang L; Center for Reproductive Medicine, Shandong University, 157 Jingliu Road, Jinan, 250021, China.; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, China.; Shandong Provincial Key Laboratory of Reproductive Medicine, Jinan, China.
Jiang W; Center for Reproductive Medicine, Shandong University, 157 Jingliu Road, Jinan, 250021, China.; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, China.; Shandong Provincial Key Laboratory of Reproductive Medicine, Jinan, China.
Zhu Y; Center for Reproductive Medicine, Shandong University, 157 Jingliu Road, Jinan, 250021, China.; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, China.; Shandong Provincial Key Laboratory of Reproductive Medicine, Jinan, China.
Chen H; Center for Reproductive Medicine, Shandong University, 157 Jingliu Road, Jinan, 250021, China.; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, China.; Shandong Provincial Key Laboratory of Reproductive Medicine, Jinan, China.
Yan J; Center for Reproductive Medicine, Shandong University, 157 Jingliu Road, Jinan, 250021, China. .; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, China. .; Shandong Provincial Key Laboratory of Reproductive Medicine, Jinan, China. .
Chen ZJ; Center for Reproductive Medicine, Shandong University, 157 Jingliu Road, Jinan, 250021, China.; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, China.; Shandong Provincial Key Laboratory of Reproductive Medicine, Jinan, China.; Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China.
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Źródło:
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Journal of assisted reproduction and genetics [J Assist Reprod Genet] 2019 Sep; Vol. 36 (9), pp. 1963-1969. Date of Electronic Publication: 2019 Aug 07.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: <2004- >: Amsterdam : Springer
Original Publication: New York : Plenum Press, c1992-
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MeSH Terms:
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Chromosome Segregation*
Heterozygote*
Translocation, Genetic*/genetics
Blastocyst/*physiology
Adult ; Chromosome Aberrations ; Comparative Genomic Hybridization ; Female ; Humans ; Male ; Ovulation Induction ; Ploidies ; Pregnancy ; Pregnancy Outcome ; Retrospective Studies
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References:
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Grant Information:
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2016YFC1000202 National Key Research and Development Program of China; 81671522 National Natural Science Foundation of China; 20171111 Innovative Fund of Reproductive Hospital Affiliated to Shandong University; 20171114 Innovative Fund of Reproductive Hospital Affiliated to Shandong University
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Contributed Indexing:
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Keywords: Aneuploidy; Chromosomal translocation; Genetic counseling; Meiosis; Preimplantation genetic testing
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Entry Date(s):
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Date Created: 20190809 Date Completed: 20200203 Latest Revision: 20200901
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Update Code:
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20240104
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PubMed Central ID:
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PMC6730718
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DOI:
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10.1007/s10815-019-01534-6
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PMID:
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31392661
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Purpose: To investigate the effects of a carrier's sex and age on the segregation patterns of the trivalent of Robertsonian translocations.
Methods: This retrospective study was designed to analyze the segregation patterns of the trivalent and euploidy rates of blastocysts. Data were collected from 154 couples with Robertsonian translocation (77 with a female carrier and 77 with a male carrier). Embryos were diagnosed via array comparative genomic hybridization between January 2013 and July 2017. The segregation patterns of the trivalent of 604 blastocysts were analyzed according to the carrier's sex and age.
Results: The proportion of alternate segregation was significantly higher (82.9% vs. 55.2%) in the male carriers than in the female carriers of Robertsonian translocation, and the proportion of adjacent segregation was significantly lower (16.8% vs. 42.6%), with no difference in 3:0 segregation. The segregation patterns were similar in same-sex carriers when analyzed according to the type of translocation. The carrier's age had no influence on the segregation patterns of the trivalent.
Conclusions: The proportions of the trivalent's meiotic segregation pattern differ significantly according to the carrier's sex in Robertsonian translocations and are independent of the carrier's age. A significantly higher proportion of alternate segregation for normal or balanced chromosome contents was observed in the blastocysts of the male carriers than in those of the female carriers.
