Mitochondrial DNA point mutation in human oocytes is associated with maternal age

JA Barritt, J Cohen, CA Brenner - Reproductive biomedicine online, 2000 - Elsevier
Mitochondrial DNA (mtDNA) point mutations are known to accumulate in an age-dependent
fashion in somatic tissues. This study investigated whether a point mutation (T414G) in the …

Mitochondrial DNA variations in ova and blastocyst: implications in assisted reproduction

MB Shamsi, P Govindaraj, L Chawla, N Malhotra… - Mitochondrion, 2013 - Elsevier
Mitochondrial DNA (mtDNA) of oocyte is critical for its function, embryo quality and
development. Analysis of complete mtDNA of 49 oocytes and 18 blastocysts from 67 females …

Deep sequencing shows that oocytes are not prone to accumulate mtDNA heteroplasmic mutations during ovarian ageing

L Boucret, C Bris, V Seegers, D Goudenège… - Human …, 2017 - academic.oup.com
STUDY QUESTION Does ovarian ageing increase the number of heteroplasmic
mitochondrial DNA (mtDNA) point mutations in oocytes? SUMMARY ANSWER Our results …

Mitochondrial deoxyribonucleic acid deletions in oocytes and reproductive aging in women

DL Keefe, T Niven-Fairchild, S Powell, S Buradagunta - Fertility and sterility, 1995 - Elsevier
Objective To determine whether oocytes from women harbor deletions in mitochondrial DNA
(mtDNA) and whether deleted mtDNA is more common in oocytes from older women than …

Quantification of human ooplasmic mitochondria

JA Barritt, M Kokot, J Cohen, N Steuerwald… - Reproductive …, 2002 - Elsevier
It is likely that there is an association between the fitness of mitochondria and their ability to
support normal cellular function. Oocytes are greatly enriched in the number of mitochondria …

mtDNA mutations variously impact mtDNA maintenance throughout the human embryofetal development

J Steffann, S Monnot, JP Bonnefont - Clinical Genetics, 2015 - Wiley Online Library
Mitochondria are the largest generator of ATP in the cell. It is therefore expected that energy‐
requiring processes such as oocyte maturation, early embryonic or fetal development, would …

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 …

The role of mitochondria in the female germline: Implications to fertility and inheritance of mitochondrial diseases

MR Chiaratti, BM Garcia, KF Carvalho… - Cell biology …, 2018 - Wiley Online Library
Mitochondria play a fundamental role during development of the female germline. They are
fragmented, round, and small. Despite these characteristics suggesting that they are …

[HTML][HTML] Multiple rearrangements of mitochondrial DNA in unfertilized human oocytes

RH Hsieh, NM Tsai, HK Au, SJ Chang, YH Wei… - Fertility and sterility, 2002 - Elsevier
Objective: To determine the rearrangement of mitochondrial DNA (mtDNA) in unfertilized
human oocytes and compromised embryos to evaluate the fertilization capacity of oocytes …

Mitochondrial DNA deletions in rhesus macaque oocytes and embryos

TC Gibson, HM Kubisch… - Molecular Human …, 2005 - academic.oup.com
Mitochondria are the most abundant organelles in mammalian oocytes and early embryos.
Mitochondrial DNA (mtDNA) mutations, including the common deletion, have been found in …