Investigation of human paternal mitochondrial DNA transmission in ART babies whose fathers with male infertility

To investigate the paternal mitochondrial DNA’s effect on assisted reproductive technology (ART) applications and possible paternal mitochondrial DNA transmission in male factor infertility diagnosed fathers. Study group was designed according to the families all of which applied to assisted reprodu...

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Bibliographic Details
Published in:European journal of obstetrics & gynecology and reproductive biology 2019-05, Vol.236, p.183-192
Main Authors: Eker, Candan, Celik, Hale Goksever, Balci, Burcin Karamustafaoglu, Gunel, Tuba
Format: Article
Language:English
Subjects:
mtDNA transmission
Next generation sequencing
Paternal mitochondria
Paternal mitochondrial inheritance
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Summary:To investigate the paternal mitochondrial DNA’s effect on assisted reproductive technology (ART) applications and possible paternal mitochondrial DNA transmission in male factor infertility diagnosed fathers. Study group was designed according to the families all of which applied to assisted reproductive technologies as a result of male infertility. A total of 16 trios (48 mother-father-child samples) which contain 7 newborns and 9 infants born by in vitro fertilization method (IVF-ICSI) were studied using “Illumina, MiSeq” next-generation sequencing platform (Case-parent trio study). The study has been conducted between February 2017 and May 2018. Sequencing analysis results were investigated on the basis of “mother-father-child”, “mother-child” and “father-child” mitochondrial DNA whole genome sequence data, respectively. In 14 “trios” of 16; maternal mitochondrial DNA haplotype were detected for children, the remaining 2 “trios” had different mitochondrial DNA haplotypes when compared to their mother and fathers. Also; “father-child” sharing same genetic variants (SNP (“Single nucleotide polymorphism”) / MNP (“Multiple nucleotide polymorphism”) / INDEL (“Insertion/Deletion”) were found in 8 “trios”. In 5 “trios” of 16; 98–99% paternal mitochondrial DNA genome sequence similarity were obtained by alignment of “father-child” mitochondrial DNA genome. This study is the first whole mitochondrial genome investigation for paternal mitochondrial DNA contribution in human IVF / ICSI applied trio cases. Our findings for paternally derived variants could be the result of intermolecular recombination between maternal and paternal mitochondrial DNA.
ISSN:0301-2115
1872-7654
DOI:10.1016/j.ejogrb.2019.02.011