搜索结果: 1-15 共查到“vitro fertilization”相关记录23条 . 查询时间(0.078 秒)
Rapamycin Influences the Efficiency of In vitro Fertilization and Development in the Mouse: A Role for Autophagic Activation
Vitrification Mouse Oocyte Rapamycin Development
2016/11/10
The mammalian target of rapamycin (mTOR) regulates cellular processes such as cell growth, metabolism, transcription, translation, and autophagy. Rapamycin is a selective inhibitor of mTOR, and induce...
Reproductive Performance of Holstein Dairy Cows Grazing in Dry-summer Subtropical Climatic Conditions: Effect of Heat Stress and Heat Shock on Meiotic Competence and In vitro Fertilization
Artificial Insemination Heat Shock Oocyte Meiotic Maturation Maternal Heat Stress
2016/5/18
The present study was designed to evaluate how environmental factors in a dry-summer subtropical climate in Terceira-Azores (situated in the North Atlantic Ocean: 38° 43′ N 27° 12′ W) can affect dairy...
Vitrification of immature bubaline cumulus oocyte complexes by the open-pulled straw and conventional straw methods and their subsequent in vitro fertilization
buffalo in vitro fertilization (IVF) oocytes
2015/3/17
The in vitro maturation (IVM), fertilization (IVF) and morphological changes in buffalo cumulus oocyte complexes (COCs) cryopreserved by ultra rapid freezing using conventional (CON) and open-pulled
...
Pig Spermatozoa Defect in Acrosome Formation Caused Poor Motion Parameters and Fertilization Failure through Artificial Insemination and In vitro Fertilization
Boar Sperm Motion Parameters In vitro Fertilization Acrosome Defect
2016/5/17
The selection of morphologically normal spermatozoa is critical to obtain high breeding performances in boar breeding farms and artificial insemination (AI) centers. Parameters for the selection of se...
The Effect of Various Concentrations of Taurine during In vitro Fertilization on the Development of Bovine Embryos Fertilized with Spermatozoa from Three Different Bulls
Taurine In vitro Fertilization Embryonic Development Bull Variation
2016/5/5
We investigated the effect of various concentrations of taurine during in vitro fertilization (IVF) on the embryonic development up to the blastocyst stage of bovine oocytes fertilized with three diff...
The effects of hydrosalpinx on in vitro fertilization-embryo transfer outcomes
Hydrosalpinx IVF-ET Clinical pregnancy rate Implantation
2009/12/24
Hydrosalpins (dilatation of Fallpian tube that can be seen by hysterosalpingogeraphy. Laparoscocpy, and in severe cases by sonography) is one of the probable confounding factors of assited – reproduct...
Correlation between in vitro fertilization and human sperm density and motility
Correlation fertilization human sperm density motility
2009/2/23
The conventional sperm characteristics of density (millions per milliliter) and motility, scored in a semi-subjective way, were correlated with results of an on-going in vitro fertilization and em...
Correlation between human sperm swelling in hypoosmotic medium（hypoosmotic swelling test）and in vitro fertilization
human sperm hypoosmotic medium（hypoosmotic swelling test） vitro fertilization
2009/2/23
Human ejaculates (n = 83) were analyzed for standard sperm parameters (concentration, motility, and morphology), as well as for the ability of the spermatozoa to react (swell) in a hypoosmotic mediu...
In Vitro Sperm Capacitation and In Vitro Fertilization with Normal Development in the Rabbit
sperm capacitation in vitro fertilization embryo culture embryo transfer spermatozoa oocytes rabbit
2009/2/19
The objective was to obtain in vitro sperm capacitation and fertilization to approximate the normal in vivo processes. Rabbit oocytes from follicles, ovarian surfaces, and oviducts were fertilized...
Characterization of Cholinomimetic Agents that Inhibit In Vitro Fertilization in the Mouse
sperm binding cholinomimetics
2009/2/19
Spermatozoa from the cauda epididymidis of the mouse bind 3-quinuclidinyl benzilate (QNB), a highly specific antagonist of the muscarinic type of acetylcholine receptor; inhibition of in vitro ferti...
Evaluation of the effect of the absence of sperm with rapid and linear progressive motility on subsequent pregnancy rates following intrauterine insemination or in vitro fertilization
Sperm separation motility gradIng linear velocity
2009/2/16
The objective of this study was to investigate the association of rapid and linear progressive motility in seminal and Percoll-separated sperm with the outcome of intrauterine insemination (IUI) and...
Hemizona index（HZI）demonstrates excellent predictability when evaluating sperm fertilizing capacity in in vitro fertilization patients
IVF predictability Hemizona assay IVF
2009/2/12
The objective of this work was to assess the power of the hemizona assay to predict in vitro fertilization (IVF) results using receiving operating characteristics (ROC) analysis. In a tertiary medical...
Atrial natriuretic peptide（ANP）as a stimulus of the human acrosome reaction and a component of ovarian follicular fluid：correlation of follicular ANP content with in vitro fertilization outcome
Noncapacitated spermatozoa capacitation
2009/2/12
Atrial natriuretic peptides (ANPs) from several species induced the human acrosome reaction. The maximal response was highest for human ANP (18.6% above unstimulated or baseline values) and decrea...
Morphology of testicular spermatozoa obtained by testicular sperm extraction in obstructive and nonobstructive azoospermic men and its relation to fertilization success in the in vitro fertilization-intracytoplasmic sperm injection system
Morphology testicular spermatozoa testicular sperm extraction azoospermic men
2008/12/26
The aim of the present study was to evaluate the morphology of testicular spermatozoa by 3 different determinants. Sperm cells were obtained and their morphology was evaluated from 27 testicular spe...
In vitro fertilization with intracytoplasmic sperm injection is an effective therapy for male factor infertility related to subnormal hypo-osmotic swelling test scores
vitro fertilization sperm injection male factor infertility
2008/12/26
The aim of the study was to determine if intracytoplasmic sperm injection (ICSI) would be an effective therapy for mates with subnormal hypo-osmotic swelling test (HOST) scores, a condition known to...