Background Cytoplasmic and nuclear maturation of oocytes, as well as interaction with the
surrounding cumulus cells, are important features relevant to the acquisition of …

Polycystic ovary syndrome (PCOS) is one of the most critical disorders, which affects
approximately 20% of women of childbearing age and melatonin supplementation in these …

This study was conducted to evaluate the effects of static magnetic field (SMF) and
nanoparticles (NPs) on the vitrification of cumulus-oocyte-complex (COC). To this end, the …

This study investigated the effects of cyclic adenosine monophosphate modulating during
cumulus-oocyte complexes (COCs) pre-maturation and the role of melatonin on in vitro …

At the time of its discovery and characterization in 1994, leptin was mostly considered a
metabolic hormone able to regulate body weight and energy homeostasis. However, in …

Postovulatory aging oocytes usually feature diminished potential for fertilization and poor
embryonic development due to enhanced oxidative damage to the subcellular organelles …

Although it is not a well-established technology, oocyte cryopreservation is becoming
prevalent in assisted reproductive technologies in response to the growing demands of …

Tetrabromobisphenol (TBBPA) is the most widely used brominated flame retardant in the
world and displays toxicity to humans and animals. However, few studies have focused on …

Scope Tea is a popular beverage worldwide and has many health functions. Protocatechuic
acid (PCA) is an important bioactive component of tea and has benefit to health. In some …

In vitro maturation of mammalian oocytes is an important means in assisted reproductive
technology. Most bovine immature oocytes complete nuclear maturation, but less than half …