Wnt Signaling in Stem Cells and Tumor Stem Cells.

abstract：:Approximately 10 to 15% of the population experiences infertility. Although 85 to 90% of couples or individuals who experience infertility have a diagnosis for their infertility, underlying causes of infertility rarely are found. Extensive literature reporting adverse effects of environmental contaminants on wildlife ...

journal_title：Seminars in reproductive medicine

authors： Giudice LC

更新日期：2006-07-01 00:00:00

abstract：:The number of women in the U.S. military is dramatically increasing. Similarly, the roles of active-duty women are greatly expanding, thus exposing them to new occupational risks. Determining the impact of pregnancy outcomes for women while in the military is difficult due to changing exposures over time, difficulty i...

journal_title：Seminars in reproductive medicine

authors： Mezwa K,Adelsheim L,Markenson G

更新日期：2019-09-01 00:00:00

abstract：:As the percentage of women serving in the active-duty military continues to grow, and as their roles continue to expand, the importance of monitoring reproductive health in the military community increases. The Department of Defense Birth and Infant Health Research (BIHR) program conducts ongoing epidemiologic studies...

journal_title：Seminars in reproductive medicine

authors： Khodr ZG,Bukowinski AT,Hall C,Gumbs GR,Wells NY,Conlin AMS

更新日期：2018-11-01 00:00:00

abstract：:Female genital tract microbiota play a crucial role in maintaining health. Disequilibrium of the microbiota has been associated with increased risk of pelvic infections. In recent years, culture-independent molecular techniques have expanded understanding of the composition of genital microbiota and the dynamic nature...

journal_title：Seminars in reproductive medicine

authors： Sharma H,Tal R,Clark NA,Segars JH

更新日期：2014-01-01 00:00:00

abstract：:The contribution of embryo cryopreservation to the birth rate per in vitro fertilization cycle has escalated from a rare subsidy to a vital tool that is called upon to augment the cycle outcome. Embryology laboratories must identify the embryo stage, quality criteria and methodology that will optimize their ability to...

journal_title：Seminars in reproductive medicine

authors： Sparks AE

更新日期：2015-03-01 00:00:00

abstract：:Trophoblast cells of the murine placenta are derived from the trophectoderm (TE) cells of the preimplantation embryo. Establishment of the TE cell lineage is the result of a cell segregation event early in blastomere division. Models of cell lineage segregation suggest it is driven by the internalization of spatial in...

journal_title：Seminars in reproductive medicine

authors： Underhill LA,Robins JC

更新日期：2016-01-01 00:00:00

abstract：:Although the genetic origin of many human diseases and phenotypes has been long and widely recognized, identification of the causative gene alleles has been limited, slow, and cumbersome. This has changed substantially with the introduction of genome-wide association studies (GWASs) a decade ago, fueled by studies and...

journal_title：Seminars in reproductive medicine

authors： Uitterlinden AG

更新日期：2016-07-01 00:00:00

abstract：:Endometriosis is a common cause of infertility and disabling pelvic pain in reproductive age women. The most widely accepted theory of its pathogenesis is the retrograde flow of menstrual products, although extra-abdominal and extrapelvic diagnoses have been made. After the pelvic peritoneum and gynecologic structures...

journal_title：Seminars in reproductive medicine

authors： Ajao MO,Einarsson JI

更新日期：2017-01-01 00:00:00

abstract：:The ability of glycerol to protect cells from freezing injury was discovered accidentally. The subsequent development of cryopreservation techniques has had a huge impact in many fields, most notably in reproductive medicine. Freezing injury has been shown to have two components, direct damage from the ice crystals an...

journal_title：Seminars in reproductive medicine

authors： Pegg DE

更新日期：2002-02-01 00:00:00

abstract：:The discrepancy between estrogen's beneficial cardiovascular effects found in animal studies and observational studies in women compared with the recently published randomized clinical trials have stimulated a great deal of controversy. Possibilities for the discrepancy include the age of the women, number of years po...

journal_title：Seminars in reproductive medicine

authors： Wagner JD,Clarkson TB

更新日期：2005-05-01 00:00:00

abstract：:Aromatase p450 (p450arom) is the key enzyme for biosynthesis of estrogen, which is an essential hormone for the establishment and growth of endometriosis. There is no detectable aromatase enzyme activity in normal endometrium; therefore, estrogen is not locally produced in endometrium. Endometriosis tissue, however, c...

journal_title：Seminars in reproductive medicine

authors： Bulun SE,Fang Z,Imir G,Gurates B,Tamura M,Yilmaz B,Langoi D,Amin S,Yang S,Deb S

更新日期：2004-02-01 00:00:00

abstract：:Complementary therapies and medicines are a broad and diverse range of treatments, and are frequently used by women and their partners during the preconception period to assist with infertility, and to address pregnancy-related conditions. Despite frequent use, the evidence examining the efficacy, effectiveness, and s...

journal_title：Seminars in reproductive medicine

authors： Smith CA,Armour M,Ee C

更新日期：2016-03-01 00:00:00

abstract：:Randomized clinical trials (RCTs) have been used to assess interventions affecting health since biblical times. They provide the most valid means of measuring the true effects of intervention compared with no treatment or placebo. Although they can also be used to assess the value of diagnostic tests, this article foc...

journal_title：Seminars in reproductive medicine

authors： Hughes EG

更新日期：2003-02-01 00:00:00

abstract：:There is increasing evidence that endometriosis is inherited as a complex genetic trait in which multiple genes conferring disease susceptibility interact with each other and the environment to produce the phenotype. Research groups worldwide are trying to identify such susceptibility genes through a "positional cloni...

journal_title：Seminars in reproductive medicine

authors： Kennedy S

更新日期：2003-05-01 00:00:00

abstract：:Historically, progesterone functions to regulate gene expression via two nuclear progesterone receptors (PR-B and PR-A). Yet, actions of progesterone independent of gene regulation have been observed for decades. These are based on progesterone induced cellular events that occur too rapidly to involve gene transcripti...

journal_title：Seminars in reproductive medicine

authors： Price TM,Dai Q

更新日期：2015-05-01 00:00:00

abstract：:Contraceptive vaginal rings (CVRs) contain sex steroids that diffuse through a plastic polymer ring at a constant rate and are absorbed directly through the vaginal epithelium into the systemic circulation. This delivery system provides many advantages over oral contraceptives (OCs), including avoidance of the first-p...

journal_title：Seminars in reproductive medicine

authors： Harwood B,Mishell DR Jr

更新日期：2001-12-01 00:00:00

abstract：:HOX genes, encoding homeodomain transcription factors, are dynamically expressed in endometrium, where they are necessary for endometrial growth, differentiation, and implantation. In human endometrium, the expression of HOXA10 and HOXA11 is driven by sex steroids, with peak expression occurring at time of implantatio...

journal_title：Seminars in reproductive medicine

authors： Cakmak H,Taylor HS

更新日期：2010-01-01 00:00:00

abstract：:Gonadotropins cross the vascular endothelial barrier to reach their target organs. Hormone concentrations in blood are very low and fluctuate rapidly to give sharp biological effects. Nonspecific transendothelial transport mechanisms are slow and markedly concentration dependent. There is thus a need for specific tran...

journal_title：Seminars in reproductive medicine

authors： Ghinea N,Milgrom E

更新日期：2001-01-01 00:00:00

abstract：:During most of gestation, the fetal adrenal gland is almost solely dedicated to the production of dehydroepiandrosterone sulfate (DHEA-S). This specialized ability of the fetal adrenal is unique to primates and occurs because of a specialized fetal zone that composes the bulk of the fetal adrenal gland. Morphologicall...

journal_title：Seminars in reproductive medicine

authors： Rainey WE,Rehman KS,Carr BR

更新日期：2004-11-01 00:00:00

abstract：:Since 2004, assisted conception is encompassed by the European Directive on the Quality and Safety of Tissues and Cells (2004/23/EC). The aim of a standard for quality and safety is to minimize risks of errors, contamination, and accidents and to maximize efficiency of use. This article presents a case study of the im...

journal_title：Seminars in reproductive medicine

authors： Willemen D,D'Hooghe T,Knoops I,De Neubourg D,Spiessens C

更新日期：2012-06-01 00:00:00

abstract：:Chromosome abnormalities are extremely common in human oocytes and embryos and are associated with a variety of negative outcomes for both natural cycles and those using assisted conception techniques. Embryos containing the wrong number of chromosomes (aneuploidy) may fail to implant in the uterus, miscarry, or lead ...

journal_title：Seminars in reproductive medicine

authors： Fragouli E,Wells D

更新日期：2012-08-01 00:00:00

abstract：:Anejaculation within the context of a male infertility evaluation can be a distressing condition for patients. A variety of causes for anejaculation have been identified, and although the condition cannot be reversed, in many cases a minimally invasive treatment is feasible, allowing the patient to pursue his desire f...

journal_title：Seminars in reproductive medicine

authors： Ohl DA,Quallich SA,Sønksen J,Brackett NL,Lynne CM

更新日期：2009-03-01 00:00:00

abstract：:The maternal-fetal environment plays an important role in developmental programming of adult disease. Metabolic and hormonal dysfunction during human fetal development accompanies gestational diabetes as a common occurrence in mothers with polycystic ovary syndrome (PCOS), while human fetal androgen excess from congen...

journal_title：Seminars in reproductive medicine

authors： Dumesic DA,Goodarzi MO,Chazenbalk GD,Abbott DH

更新日期：2014-05-01 00:00:00

abstract：:Microfluidics is a young but established field that holds significant potential for scientific discovery. The utility of microfluidics can improve our knowledge of basic biology as well as expand our understanding in specialized areas such as assisted reproduction and stem cell developmental biology. This review descr...

journal_title：Seminars in reproductive medicine

authors： Smith GD,Swain JE,Bormann CL

更新日期：2011-01-01 00:00:00

abstract：:Luteinizing hormone (LH) and human chorionic gonadotropin (hCG) share a common receptor in gonadal cells; however, the presence of these receptors has also been detected in several nongonadal but reproduction-associated tissues of pig, human, and other species. There are no data about the ontogeny of the human LH/hCG ...

journal_title：Seminars in reproductive medicine

authors： Ziecik AJ,Derecka K,Gawronska B,Stepien A,Bodek G

更新日期：2001-01-01 00:00:00

abstract：:Endocrine disrupters are exogenous substances that cause adverse effects in the endocrine system. Sexual differentiation is regulated by reproductive hormones. Male differentiation is critically dependent on normal androgen action, which in turn depends on normal production of luteinizing hormone. Other essential horm...

journal_title：Seminars in reproductive medicine

authors： Toppari J

更新日期：2002-08-01 00:00:00

abstract：:Estrogens are frequently used in reproductive medicine. The Women's Health Initiative trial found that the risks of menopausal hormone therapy (MHT) exceed the benefits. The estrogens in MHT, however, were introduced prior to our understanding of the mechanism of action of estrogens. Estrogen signaling is highly compl...

journal_title：Seminars in reproductive medicine

authors： Leitman DC,Paruthiyil S,Yuan C,Herber CB,Olshansky M,Tagliaferri M,Cohen I,Speed TP

更新日期：2012-01-01 00:00:00

abstract：:Noncommunicable diseases (NCDs), long considered diseases of little significance to global health, represent the greatest threat to economic development and human health. The main NCDs-diabetes, cancer, cardiovascular disease, and chronic respiratory disease-are the world's number one killer and bear the greatest burd...

journal_title：Seminars in reproductive medicine

authors： Marrero S,Adashi EY

更新日期：2015-01-01 00:00:00

abstract：:Puberty is a fundamental developmental event in the lifespan of any individual, when sexual and somatic maturation is completed, and reproductive capacity is achieved. While the tempo of puberty is under strong genetic determination, it is also modulated by a wide array of internal and environmental cues, including, p...

journal_title：Seminars in reproductive medicine

authors： Barroso A,Roa J,Tena-Sempere M

更新日期：2019-07-01 00:00:00

abstract：:As sperm traverse the female tract from vagina to oocyte, they experience a steroid milieu, which due to transcriptional inactivity, they can only respond to via non-genomic signaling. This environment mediates events including capacitation, changes in motility patterns, chemotaxis, and acrosome reaction. Current know...

journal_title：Seminars in reproductive medicine

authors： Correia JN,Conner SJ,Kirkman-Brown JC

更新日期：2007-05-01 00:00:00