Results 21 to 30 of about 115,599 (263)
Human Reproduction, 1998 Primary oocytes recovered from small and growing follicles of > or = 3 mm in the ovaries of untreated women, can be matured in vitro, will fertilize and develop in vitro, and when transferred to the patient, develop to term. However, the implantation rate of cleaved embryos has been disappointingly low and when embryos are allowed to develop beyond the
A, Trounson +5 more
openaire +2 more sources
Toxins, 2019 The impact of zearalenone (ZEN) on female reproduction remains an issue, since its effects may differ among exposed cell types. Besides the use of decontaminants in animal diet, other approaches should be considered to minimise ZEN effects after exposure.
Talyne Emilia Santos Silva +9 more
doaj +1 more source
Genome-wide methylation profile of mitochondrial DNA across bovine preimplantation development
Epigenetics, 2023 This study characterized variations in the methylation profile of mitochondrial DNA (mtDNA) during initial bovine embryo development and correlated the presence of methylation with mtDNA transcription.
Camila Bruna de Lima +3 more
doaj +1 more source
Veterinary and Animal Science, 2019 The aim of this study was to evaluate the immunolocalization for glucocorticoid receptor (NR3C1) in goat ovarian follicles and the effect of cortisol on in vitro development of preantral follicles.
Julian T. Pontes +7 more
doaj +1 more source
Altered germline cyst formation and oogenesis in Tex14 mutant mice
Biology Open, 2021 During oocyte differentiation in mouse fetal ovaries, sister germ cells are connected by intercellular bridges, forming germline cysts. Within the cyst, primary oocytes form via gaining cytoplasm and organelles from sister germ cells through germ cell ...
Kanako Ikami +7 more
doaj +1 more source
Journal of Human Reproductive Sciences, 2015 CONTEXT: Ovulation induction in patients with hypogonadotropic hypogonadism (HH) is a challenge to the treating physician. The threshold for ovarian response in HH may differ substantially from that of normal patients.
Monna Pandurangi +2 more
doaj +1 more source
Assessment of different methods of bovine oocytes collection, maturation and Invitro fertilization of abattoir specimens [PDF]
Iraqi Journal of Veterinary Sciences, 2017 The aim of this study is designed to evaluate the best methods for cow oocytes collection from abattoir specimens which is the cheapest, easily obtained and bulky number. Forty five fresh cow genitalia specimens and testicle were collected directly after
W.M. Saleh
doaj +1 more source
Animals, 2022 In vitro maturation (IVM) of mammalian oocytes, which influences subsequent in vitro development of embryos, is affected by the macromolecule content in culture media for the success of oocyte maturation competence, in which the cytoplasmic and nuclear ...
Uğur Şen +5 more
doaj +1 more source
eLife, 2016 Mammalian oocytes are arrested in the dictyate stage of meiotic prophase I for long periods of time, during which the high concentration of the p53 family member TAp63α sensitizes them to DNA damage-induced apoptosis.
Daniel Coutandin +15 more
doaj +1 more source
Journal of Ovarian Research, 2011 Introduction The presence of oocytes in the ovarian surface epithelium has already been confirmed in the fetal ovaries. We report the presence of SSEA-4, SOX-2, VASA and ZP2-positive primitive oocyte-like cells in the adult ovarian surface epithelium of ...
Virant-Klun Irma +4 more
doaj +1 more source