نتایج جستجو برای: ovarian induction
تعداد نتایج: 279074 فیلتر نتایج به سال:
Expression of the cancer-germline (CG) (or cancer-testis) antigen gene BORIS/CTCFL has been proposed to mediate activation of CG antigen genes in cancer. Consistent with this idea, we have observed that BORIS is frequently expressed in ovarian cancer, often in conjunction with other CG genes. Here we assessed the role of BORIS in CG antigen gene regulation and DNA methylation using normal and c...
Background and purpose: Polycystic ovary syndrome (PCOS) is one of the most common causes of infertility in modern societies. The etiology of PCOS is unknown, so a good animal model can be valuable in studying its pathogenesis and could help in making a more effective diagnosis and choosing appropriate treatments. All PCOS disorders may be the result of multiple genetic and environmental fact...
Ovarian torsion is one of the common gynaecologic surgical emergencies. stimulation in infertility treatment has become a major risk factor for ovarian torsion. The diagnosis condition challenging early pregnancy and timely can prevent morbidity both mother foetus. We present case 28 years old primi gravida known polycystic syndrome (PCOS) conceived after ovulation induction, at 7 weeks period ...
background: ovulation induction and art may be a newly recognized cause of vascular thrombosis in unusual sites in otherwise healthy women. objective: to report a case of thrombosis in right carotid artery 2.5 months after ovarian stimulation for ivf-et. case report: a non pregnant 39-year-old woman without coagulation disorder and ovarian hyperstimulation syndrome (ohss). the patient underwent...
Ovarian ornithine decarboxylase (L-ornithine carboxy-lyase, EC 4.1.1.17) regulation was investigated in immature, pubescent, and pseudopregnant rats. After initial induction of the enzyme by injection of lutropin in the immature rat, continued daily injections resulted in a graded decrease in the activity of the enzyme. In the 32-day-old rat, the induction and subsequent decline in enzymic acti...
Background Ovarian tissue cryopreservation is an option for patients who require immediate gonagonadotoxic treatment of cancers. when there is insufficient time to conduct ovulation induction This procedure can be used in patients with genetic mutations with a high risk for premature ovarian failure.This strategy is the only option for fertility preservation in prepubertal girls or in women who...
Mice have been used in ovarian cancer research mainly as hosts for cell lines derived from human ovarian tumors and ascites. Such models provided valuable information into the nature of metastatic ovarian cancer and possible treatment strategies. However, the complexity of genetic aberrations in human ovarian cancer cell lines precluded understanding of the initiating events responsible for ova...
Background: Integrins are heterodimeric glycoprotein receptors that regulate the interaction of cells with extracellular matrix and may have a critical role in implantation. The aim of this study was to investigate the effect of ovulation induction on the expression of α4, αv, β1, and β3 integrins in mouse blastocyst at the time of implantation. Methods: The ovarian stimulated and non-stimulate...
Letrozole, an aromatase inhibitor, has been demonstrated to be effective as an ovulation induction and controlled ovarian hyperstimulation agent. However, dose administration has generally been limited to 5 days at 2.5 to 7.5 mg daily. We undertook a retrospective review of over 900 treatment cycles using letrozole in doses as high as 12.5 mg per day. Results indicate that such doses do indeed ...
Infertility treatment has been changed dramatically over the last decades with the introduction of the new assisted reproduction techniques (ART). Ovarian stimulation, either to induce ovulation in the management of anovulatory infertility or for controlled ovarian hyperstimulation in the course of in vitrofertilization, is a main part of the various ART. Nevertheless, ovarian stimulation entai...
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