Results 31 to 40 of about 115,599 (263)
Implications of oocyte cryostorage for the practice of oocyte donation [PDF]
Human Reproduction, 2012 As the efficiency of oocyte cryopreservation has increased rapidly in recent years, oocytes are currently being stored either in the course of IVF treatments or as a fertility preservation measure. These practices may have an impact on the number of available donor oocytes due to two different dynamics: first, a certain percentage of women for whom ...
Heidi, Mertes +3 more
openaire +2 more sources
Frontiers in Endocrinology, 2023 Infertility and menstrual abnormalities in endometriosis patients are frequently caused by aberrant follicular growth or a reduced ovarian reserve. Endometriosis typically does not directly harm the oocyte, but rather inhibits the function of granulosa ...
Weisen Fan +4 more
doaj +1 more source
Animals, 2022 Roundup, the most popular herbicide in global agriculture, is regarded as an endocrine disruptor causing alterations of important hormones at the hypothalamic−pituitary−gonadal axis as well as impairment of gametogenesis.
Magdalena Socha +7 more
doaj +1 more source
Jurnal Veteriner, 2017 The objective of this study was to evaluate the maturation and fertilization ability of oocytes frompre-pubertal sheep ovary in vitro. Prepubertal ovary were collected based on the absence of corpus luteum or absence of corpus albicans in both of the ...
Anita Hafid +2 more
doaj +1 more source
Factors affecting the in vitro embryo production in buffalo (Bubalus bubalis): A review
Veterinární Medicína, 2023 Under natural and well-managed conditions, the buffalo has good reproductive and productive indices. However, in vitro embryo production (IVEP) has been used commercially to maximise the number of elite animals.
S Kumar +7 more
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Protective effect of germanium citrate in endotoxin-induced ovarian dysfunction in mice.
Medičnì Perspektivi, 2018 Now it is known that endotoxin of gram-negative bacteria – lipopolysaccharide (LPS) is associated with disturbances of reproductive function in women.
O. A. Kondratska +5 more
doaj +1 more source
Antioxidants, 2023 Oocyte maturation is a critical step in the completion of female gametogenesis in the ovary; thus, for subsequent fertilization and embryogenesis. Vitrification of embryo also has been shown to be closely associated with oocyte maturation. To improve the
Peipei Zhang +12 more
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Germ Cell Responses to Stress: The Role of RNP Granules
Frontiers in Cell and Developmental Biology, 2019 The ability to respond to stress is critical to survival for animals. While stress responses have been studied at both organismal and cellular levels, less attention has been given to the effect of stress on the germ line. Effective germ line adaptations
Jennifer A. Schisa
doaj +1 more source
Expression and regulation of estrogen receptor 2 and its coregulators in mouse granulosa cells
The Journal of Reproduction and Development, 2022 The cooperative effects of estrogen and oocyte-derived paracrine factors (ODPFs) play critical roles in the normal development of ovarian follicles; however, the mechanism underlying this cooperation has not been well studied.
Chihiro EMORI +6 more
doaj +1 more source
Current approaches for assisted oocyte maturation in camels
Journal of Animal Reproduction and Biotechnology, 2021 Camel (camelus dromedarius) is a unique large mammalian species that can survive harsh environmental conditions and produce milk, meat, and wool. Camel reproduction is inferior when compared to other farm animal species such as cattle and sheep.
Islam M. Saadeldin, Jongki Cho
doaj +1 more source