[PDF] Top 20 The Effects of Progesterone on Oocyte Maturation and Embryo Development

... Oocyte maturation and embryo development are controlled by intra-ovarian factors such as steroid ...hormones. Progesterone (P4) exists in the follicular fluid that ... See full document

... fertilization, the presence of cumulus cells during insemination improved the cleavage percentages, even when the gap junctions were ...between the oocyte and corona cells ... See full document

... consisted of 50 g fish, group 2 consis- ted of 150g fish, and group 3 consisted of 350g ...fish. The weights were chosen to provide the assessment of oocyte ... See full document

... process of oocyte maturation consists of the acquisition of the capacity to be fertilized and is characterized by several changes including the resumption ... See full document

... for the efficient vegetative propagation of Cleome rosea by somatic ...Leaf and stem explants from nursery-grown seedlings of ...cultivated on Murashige and Skoog (MS) medium ... See full document

... in the form of liquid milk and cheese (Fonseca et ...Historically, the Northeast is the most traditional and where has the largest herd of goats in ...Brazil. ... See full document

... in the reproductive development of an organism, which can be best understood from histological analysis of ovaries in different maturity ...information on the reproductive ... See full document

... up-regulation of FAO by PPAR agonists has been reported in many different tissues and cells, however very little attention has been focused on their action within the ovary, especially ... See full document

... guide and a scanner (AquilaVet Scanner; Pie Medical Equipment BV, Maastricht, the ...Briefly, the ovary was manipulated to introduce the needle into the follicle via the ovarian ... See full document

... Despite the absence of ice crystals, the cooling of biological materials still requires the use of specific substances that protect cell components from excessive cold (Neves et ... See full document

... labeling and total cell counting. In experiment 1, heat stress decreased the percentage of Jersey oocytes that became blastocysts, but had no effect on Nellore embryos ...39.5%, and ... See full document

... variety of cytokines and growth factors in addition to self-renewal and multiple forms of ...Some of these secreted bioactive factors could improve meiotic maturation in vitro ... See full document

... brings on the synthesis of a maturational-inducing steroid (MIS) by the ovarian ...induce oocyte maturation in Teleost fish (Goetz et ...1991) and the grade ... See full document

... affected the spermatozoa motility duration ...4). The high water temperature led to a reduction of sperm motility duration and the temperature lower than 5 °C promoted the longer ... See full document

... i.e. the last stage before the nucleus migration, were recorded only in ...brasiliensis and D. radiale (Chapters I and II). According to Yoda and Yoneda (2009), the transition ... See full document

... fertilization and embryos in gastrulae stage. The result of this work will indicate a more adequate dose for inducing maturation in ...kinds of studies may provide interesting tools for ... See full document

... to the hydrologic regime downstream from hydroelectric dams, such as a decrease in the flood peaks, may result in unstable thermal and hydrologic conditions (Baxter, 1977; Agostinho et ...affect ... See full document

... evaluation of influence of selected parameters on sensitivity of a numerical model of ...solidification. The investigated model is based on the heat conduction ... See full document

... Introduction of aluminium in the quantity of either about 0.6% (the alloy from melt ...to the arising of the ferrite-pearlite matrix containing the precipitates ... See full document

... October). The following two distinct phases of ...occur: the first phase is characterised by the accumulation of cortical alveoli vesicles, and the second phase is marked ... See full document