Results 271 to 280 of about 15,361,986 (325)

Optimization of insulin-like growth factor-1 supplementation enhances oocyte quality by modulating oxidative stress and apoptotic pathways during <i>in vitro</i> maturation of Kacang goat oocytes. [PDF]

Vet World
Widjiati W, Luqman EM, Darsini N, Aulanni'am A, Jaafar WNFBW, Utama S, Kurniawati DY, Shabira Z, Hendrawan VF.   +8 more
europepmc   +1 more source

Butylphthalide identified via Samul-tang-induced transcriptomic signatures improves oocyte quality in aged mice. [PDF]

NPJ Aging
Shin H, Lee H, Park M, Son K, Lee M, Lee A, Cha S, You S.   +7 more
europepmc   +1 more source

Optimizing Oocyte Quality in Polycystic Ovary Syndrome (PCOS): The Impact of Neurotrophin-4 in <i>In Vitro</i> Maturation Protocols.

J Pharm Bioallied Sci
Kalaskar G, More A, Choudhary N, Padwal LP, Shah D, Barai J, Chaudhary A.   +6 more
europepmc   +1 more source

Preantral follicle culture and oocyte quality

Reproduction, Fertility and Development, 2017
The formation of high-quality oocytes depends on complex stage-specific interactions between the germ cell and the somatic compartment involving endocrine, paracrine, and autocrine regulation. Cooperativity in bidirectional signalling and metabolism in response to factors in the microenvironment drive growth, proliferation, cell cycle regulation ...
Heiligentag, Martyna, Eichenlaub-Ritter, Ursula   +1 more
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The Role of Oocyte Quality in Explaining “Unexplained” Infertility

Seminars in Reproductive Medicine, 2020
Infertility is described as unexplained when pregnancy does not occur despite ovulation, patent Fallopian tubes, and normal semen parameters. Oocyte developmental competence (or quality) is rate-limiting for pregnancy success as oocytes provide virtually
H. Homer
semanticscholar   +5 more sources

Endometriosis and Oocyte Quality

Gynecologic and Obstetric Investigation, 2002
Endometriosis is associated with marked subfertility and various causes for this subfertility have been previously studied. The poor quality of oocytes has been suggested as one possible cause. In this study, we evaluated the quality of oocytes by examining the status of granulosa cells surrounding the oocyte.
Hidekazu, Saito, Tomofumi, Seino, Tomoko, Kaneko, Kenji, Nakahara, Mayumi, Toya, Hirohisa, Kurachi   +5 more
openaire   +2 more sources

Exposure to nivalenol declines mouse oocyte quality via inducing oxidative stress-related apoptosis and DNA damage

Biology of Reproduction, 2021
Mammalian oocyte quality is critical for fertilization and early embryo development. The type B trichothecene nivalenol (NIV) is a mycotoxin produced by Fusarium oxysporum, and it is commonly found with deoxynivalenol in contaminated food or feed.
Yue Wang, Chunhua Xing, Hao-Lin Zhang, Zhen‐Nan Pan, Shao-Chen Sun   +4 more
semanticscholar   +1 more source

Metabolic syndrome and oocyte quality

Trends in Endocrinology & Metabolism, 2011
Metabolic syndrome affects one in four women in the USA, and the incidence is rising every year. Metabolic syndrome is strongly associated with development of coronary artery disease and diabetes. Women of reproductive age are not spared from the complications of metabolic syndrome, which overlaps with obesity and polycystic ovary syndrome (PCOS), both
Eden, Cardozo, Mary Ellen, Pavone, Jennifer E, Hirshfeld-Cytron   +2 more
openaire   +2 more sources

Contribution of the oocyte to embryo quality

Theriogenology, 2006
The ability of a bovine embryo to develop to the blastocyst stage, to implant and to generate a healthy offspring is not a simple process. To clarify the importance of the contribution of the oocyte to the embryo quality, it is important to define more precisely the different types of competence expressed by oocytes.
Marc-André, Sirard, François, Richard, Patrick, Blondin, Claude, Robert   +3 more
openaire   +2 more sources

Anti-Müllerian hormone: a marker for oocyte quantity, oocyte quality and embryo quality?

Reproductive BioMedicine Online, 2008
Serum anti-Müllerian hormone (AMH) concentrations decline with increasing age and constitute a sensitive marker for ovarian ageing. In addition, basal serum AMH concentrations predict ovarian response during IVF cycles. Concomitantly, oocyte quantity and embryo quality decrease with advancing age.
Lie Fong, Sharon, Baart, Esther, Martini, E (Elena), Schipper, I, Visser, Jenny, Themmen, Axel, Jong, Frank, Fauser, BCJM (Bart), Laven, Joop   +8 more
openaire   +3 more sources