نتایج جستجو برای: پروتئین e2
تعداد نتایج: 40864 فیلتر نتایج به سال:
Background and Objectives: Oxidative stress (OS) associated with estrogen deficiency in menopause has been implicated in various complications of menopause. Some indices of OS, bone metabolism, and uric acid (UA) in postmenopausal women were assessed as possible predictors of gouty osteoarthritis. Materials and Methods: This case-control study enrolled 40 postmenopausal women and 60 premenopau...
The formation of ovarian follicles is a finely tuned process that takes place within a narrow time-window in rodents. Multiple factors and pathways have been proposed to contribute to the mechanisms triggering this process but the role of endocrine factors, especially estrogens, remains elusive. It is currently hypothesized that removal from the maternal hormonal environment permits follicle fo...
Nomegestrol acetate (NOMAC) 2.5 mg with 17-beta estradiol (E2) 1.5 mg is a new combined oral contraceptive (COC) formulation and is the first monophasic E2 pill to be marketed, having been licensed for use in Europe in 2011. It is available to be taken daily in a regimen of 24 active pills followed by four placebo pills. NOMAC is a highly selective 19-nor progestogen derivative with specific bi...
CONTEXT Immunoassay-based techniques, routinely used to measure serum estradiol (E2), are known to have reduced specificity, especially at lower concentrations, when compared with the gold standard technique of mass spectrometry (MS). Different measurement techniques may be responsible for the conflicting results of associations between serum E2 and clinical phenotypes in men. OBJECTIVE Our o...
Papillomaviruses are small DNA viruses which establish persistent infection in the epithelial tissue of various animal species. Three papillomavirus proteins encoded by the bovine papillomavirus type 1 E2 open reading frame have a common C-terminal DNA binding and dimerization domain and function as dimeric proteins in the regulation of viral gene expression, genome replication, and maintenance...
This study was investigated the effects of dietary estradiol-17? (E2) on growth, body composition and blood indices in Acipenser stellatus. Fish (40.9 ? 1.1 g average initial weight; n = 60 per group) were fed with three different diets containing 0 (control), 25 and 50 mg kg-1 dietary estradiol contents to apparent satiation for seven months. The results suggested that growth rate were decreas...
سابقه و هدف: پروستاگلندین e2 و سوند فولی داخل سرویکس دو روش آمادگی سرویکس قبل از القاء زایمان با اکسی توسین می باشد. این مطالعه با هدف مقایسه تاثیر سوند فولی داخل سرویکس و شیاف 3 میلی گرمی پروس تاگلندین در آمادگی سرویکس قبل از القا زایمان با اکسی توسین انجام شد.مواد و روش ها: در این مطالعه کارآزمایی بالینی 89 خانم با حاملگی اول که در درمانگاه مامایی جهت القا لیبر بستری شده بودند و در معاینه اول...
The E2 protein segregates episomal bovine papillomavirus (BPV) genomes to daughter cells by tethering them to mitotic chromosomes, thus ensuring equal distribution and retention of viral DNA. To date, only the BPV1 E2 protein has been shown to bind to mitotic chromosomes. We assessed the localization of 13 different animal and human E2 proteins from seven papillomavirus genera, and we show that...
The viral E2 gene product plays a crucial role in the human papillomavirus (HPV) vegetative cycle by regulating both transcription and replication of the viral genome. E2 is a transcriptional repressor of the E6 and E7 viral oncogenes for HPV types 16 and 18, which are involved in cervical cancers. Using new polyclonal antibodies against the HPV16 E2 protein, we showed that E2 is expressed at v...
17 -Estradiol (E2) and selective estrogen receptor modulators (SERMs), such as tamoxifen, mediate numerous effects in the brain, including neurosecretion, neuroprotection, and the induction of synaptic plasticity. Astrocytes, the most abundant cell type in the brain, influence many of these same functions and thus may represent a mediator of estrogen action. The present study examined the regul...
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