As one of the problems and diseases for women before 40 years, premature ovarian failure
(POF) could be characterized by amenorrhea, low estrogen levels, infertility, high …

During the last decade, involvement of growth hormone (GH), insulin-like growth factors
(IGFs) and IGF binding proteins (IGFBPs) in ovarian folliculogenesis has been extensively …

BACKGROUND Female cancer patients are offered 'banking'of gametes before starting
fertility-threatening cancer therapy. Transplants of fresh and frozen ovarian tissue between …

The ovarian follicle luteinizing hormone (LH) signaling molecules that regulate oocyte
meiotic maturation have recently been identified. The LH signal reduces preovulatory follicle …

Oxidative stress, generated by excessive reactive oxygen species (ROS) or decreased
antioxidant defenses (and possibly both), is associated with male infertility. Oxidative stress …

Contents Fertility in high yielding dairy cows is declining, and there is increasing evidence to
presume that oocyte and embryo quality are major factors in the complex pathogenesis of …

Background Laboratory animals are commonly used for evaluating the physiological
properties of the mammalian ovarian follicle and the enclosed oocyte. The use of different …

Premature ovarian failure is a to some extent unknown and intricate problem with diverse
causes and clinical manifestations. The lack of ovarian sex hormones presumably is …

Oocyte intracellular lipids are mainly stored in lipid droplets (LD) providing energy for proper
growth and development. Lipids are also important signalling molecules involved in the …

Accurate chromosome segregation during meiosis requires that homologous chromosomes
pair and become physically connected so that they can orient properly on the meiosis I …