Does supplementation of oocytes with additional mtDNA influence developmental outcome?

S McIlfatrick, S O'Leary, T Okada, A Penn, VHT Nguyen… - Iscience, 2023 - cell.com
Introducing extra mitochondrial DNA (mtDNA) into oocytes at fertilization can rescue poor
quality oocytes. However, supplementation alters DNA methylation and gene expression …

Mitochondrial supplementation of Sus scrofa metaphase II oocytes alters DNA methylation and gene expression profiles of blastocysts

T Okada, S McIlfatrick, N Hin, N Aryamanesh… - Epigenetics & …, 2022 - Springer
Abstract Background Mitochondrial DNA (mtDNA) copy number in oocytes correlates with
oocyte quality and fertilisation outcome. The introduction of additional copies of mtDNA …

Mitochondrial DNA Supplementation of Oocytes Has Downstream Effects on the Transcriptional Profiles of Sus scrofa Adult Tissues with High mtDNA Copy Number

T Okada, A Penn, JC St. John - International Journal of Molecular …, 2023 - mdpi.com
Oocytes can be supplemented with extra copies of mitochondrial DNA (mtDNA) to enhance
developmental outcome. Pigs generated through supplementation with mtDNA derived from …

Transmission of dysfunctional mitochondrial DNA and its implications for mammalian reproduction

K Srirattana, JC St. John - Cellular and Molecular Basis of Mitochondrial …, 2019 - Springer
Mitochondrial DNA (mtDNA) encodes proteins for the electron transport chain which
produces the vast majority of cellular energy. MtDNA has its own replication and …

The effects of mitochondrial DNA supplementation at the time of fertilization on the gene expression profiles of porcine preimplantation embryos

TS Tsai, JC St. John - Molecular Reproduction and …, 2018 - Wiley Online Library
Mitochondrial DNA (mtDNA) deficient metaphase II porcine oocytes are less likely to fertilize
and more likely to arrest during preimplantation development. However, they can be …

Use of bisection to reduce mitochondrial DNA in the bovine oocyte

L Adams, Y Liu, B Durrant, E Ruggeri, C Young… - JoVE (Journal of …, 2022 - jove.com
Interspecies somatic cell nuclear transfer (iSCNT) may be used to rescue endangered
species, but two distinct populations of mitochondrial DNA (mtDNA) exist within the …

Mitochondrial DNA Deficiency and Supplementation in Sus scrofa Oocytes Influence Transcriptome Profiles in Oocytes and Blastocysts

T Okada, S McIlfatrick, JC St. John - International journal of molecular …, 2023 - mdpi.com
Mitochondrial DNA (mtDNA) deficiency correlates with poor oocyte quality and fertilisation
failure. However, the supplementation of mtDNA deficient oocytes with extra copies of …

The molecular characterisation of mitochondrial DNA deficient oocytes using a pig model

TS Tsai, S Tyagi, JC St. John - Human Reproduction, 2018 - academic.oup.com
STUDY QUESTION What are the molecular differences between mitochondrial DNA
(mtDNA)-deficient and mtDNA-normal oocytes and how does mitochondrial …

Mitochondrial DNA content decreases during in vitro human embryo development: insights into mitochondrial DNA variation in preimplantation embryos donated for …

M Pérez-Sánchez, A Díez-Juan, D Beltrán, A Mifsud… - F&S Science, 2020 - Elsevier
Objective To assess the mitochondrial DNA (mtDNA) load and variation in human oocytes
and during preimplantation embryo development using specimens donated for research …

Mitochondrial DNA content is associated with ploidy status, maternal age, and oocyte maturation methods in mouse blastocysts

X Tao, JN Landis, RL Krisher, FE Duncan… - Journal of Assisted …, 2017 - Springer
Purpose It was reported that mitochondrial DNA (mtDNA) was significantly increased in
aneuploid human embryos compared to euploid embryos and was also associated with …