نتایج جستجو برای: pre implantation embryo

تعداد نتایج: 429694  

Objective(s): The aim of the present study was to assess the effects of vitamin C (Vit C) on hemolytic anemia induced by phenylhydrazine (PHZ). Materials and Methods: Twenty-four healthy male mice were divided into four groups, randomly: Control group (0.1 ml/day, normal slaine, IP), PHZ group that received only PHZ 8 mg/100 g/48 hr, IP, PHZ+Vit C group that received PHZ 8 mg/100 g/48 hr, IP an...

Background: The process of implantation involves the interaction of the human embryo and the uterine epithelium. Failure of implantation is a major reason for infertility in women and the inability to achieve endometrial receptivity is responsible for much of the failure of reproductive technologies. Management of repeated implantation failure despite transfer of good-quality embryos still rema...

2012
James M. Moore Natalia A. Rabaia Leslie E. Smith Sara Fagerlie Kay Gurley Dmitry Loukinov Christine M. Disteche Steven J. Collins Christopher J. Kemp Victor V. Lobanenkov Galina N. Filippova

CTCF is a highly conserved, multifunctional zinc finger protein involved in critical aspects of gene regulation including transcription regulation, chromatin insulation, genomic imprinting, X-chromosome inactivation, and higher order chromatin organization. Such multifunctional properties of CTCF suggest an essential role in development. Indeed, a previous report on maternal depletion of CTCF s...

2011
Telma C. Esteves Fleur van Rossem Michele Boiani Albert van den Berg Séverine Le Gac

Microfluidics holds great potential for the field of assisted reproduction techniques (ART), to provide integrated platforms for combined embryo culture and characterization. The development of mouse embryos is not impaired in a microfluidic format: it proceeds faster during the pre-implantation period (< day 4), and gives similar birth rates. More importantly, single embryo culture is enhanced...

Abbas Aflatoonian, Ali Mohammad Foroughmand, Fatemeh Montazeri, Mohammad Ali Khalilli, Seyed Mehdi Kalantar,

As numerical and structural defects in chromosomes are an inevitable consequence of IVF, Pre-implantation genetic diagnosis and screening (PGD/PGS) methods are used for detecting abnormalities in embryos before implantation to the uterus to increase the successful rate of IVF. Pre-implantation genetic diagnosis and screening approaches can be achieved by different techniques such as NGS, CGH an...

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2006
W A Castro-Rendón J F Castro-Alvarez C Guzmán-Martinez J C Bueno-Sanchez

The successful implantation of the blastocyst depends on adequate interactions between the embryo and the uterus. The development of the embryo begins with the fertilized ovum, a single totipotent cell which undergoes mitosis and gives rise to a multicellular structure named blastocyst. At the same time, increasing concentrations of ovarian steroid hormones initiate a complex signaling cascade ...

2013
TIRTHA BHATTARAI SOUMITA DATTA PRASENJIT CHAUDHURI KOUSHIK BHATTACHARYA PALLAV SENGUPTA

Unilateral ovariectomy (ULO) and its consequences with endocrine replacement in pregnant mice are important to examine both follicular dynamics as well as the outcome of implantation and pregnancy. In mice, ovariectomy on fourth day morning (D4), before pre-implantation estrogen secretion induces delayed implantation and embryonic diapauses, i.e. a state of suspended animation of embryos. The p...

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