abstract：:Syncytin is a membrane protein derived from the envelope gene of an endogenous retrovirus of the HERV-W family. The gene appears to be almost exclusively expressed in placenta; the protein was found in particular in syncytiotrophoblast. After transfection into various cell types it has proven to be a very fusogenic pr...

journal_title：Human reproduction update

authors： Pötgens AJ,Drewlo S,Kokozidou M,Kaufmann P

更新日期：2004-11-01 00:00:00

abstract：:Millions of women worldwide use combined oral contraception (COC). Most of them are in good health and have no contraindications to using any contraceptive method. Although extremely safe for the vast majority of women and even though the absolute risk of complications is very small, COC is associated with an increase...

journal_title：Human reproduction update

authors： Scott A,Glasier AF

更新日期：2004-09-01 00:00:00

abstract：:Amenorrhoea associated with reduced caloric intake and strenuous exercise leads to hypoestrogenism and is associated with clinical manifestations that include disordered eating, stress fractures, osteoporosis, and, as recently reported, a potential increase in the risk of premature cardiovascular disease. Disordered e...

journal_title：Human reproduction update

authors： De Souza MJ,Williams NI

更新日期：2004-09-01 00:00:00

abstract：:Prior to the development of high-throughput methods for the analysis of differential gene expression, genes required for proper ovarian function were identified on a case-by-case basis. Recently, however, several techniques have been developed that enable investigators to study large-scale changes in gene expression u...

journal_title：Human reproduction update

authors： Hennebold JD

更新日期：2004-05-01 00:00:00

abstract：:Pregnancy induces physiological alterations in thyroid function which may make difficult the interpretation of results of thyroid hormone measurement. A state of hyperstimulation of the thyroid gland is common in early pregnancy. In a few cases, thyroid hormone values will deviate from the normal range, which correspo...

journal_title：Human reproduction update

authors： Rodien P,Jordan N,Lefèvre A,Royer J,Vasseur C,Savagner F,Bourdelot A,Rohmer V

更新日期：2004-03-01 00:00:00

abstract：:Recent studies suggest a possible link between human assisted reproductive technology and genomic imprinting disorders. Assisted reproductive technology includes the isolation, handling and culture of gametes and early embryos at times when imprinted genes are likely to be particularly vulnerable to external influence...

journal_title：Human reproduction update

authors： Lucifero D,Chaillet JR,Trasler JM

更新日期：2004-01-01 00:00:00

abstract：:The placenta plays a key role in pregnancy, mediating exchanges between mother and fetus and maternal tolerance of fetopaternal antigens. In some species, it also produces hormones that ensure the maintenance of gestation and fetal well-being. This unique organ also has considerable potential for use as a model for va...

journal_title：Human reproduction update

authors： Malassiné A,Frendo JL,Evain-Brion D

更新日期：2003-11-01 00:00:00

abstract：:Gestational surrogacy is a treatment option available to women with certain clearly defined medical problems, usually an absent uterus, to help them have their own genetic children. IVF allows the creation of embryos from the gametes of the commissioning couple and subsequent transfer of these embryos to the uterus of...

journal_title：Human reproduction update

authors： Brinsden PR

更新日期：2003-09-01 00:00:00

abstract：:The long-term clinical effects of ethinyl estradiol and the impact on environmental safety of the alkylated estrogen components used in combined contraceptive pills remain the subject of debate. The development of improved methods for the use of progestogen-only contraception would represent a viable and desirable opt...

journal_title：Human reproduction update

authors： Collins J,Crosignani PG,ESHRE Capri Workshop Group.

更新日期：2003-07-01 00:00:00

abstract：:Conservative management of at least part of both the ovary and uterus can be proposed in patients with borderline ovarian tumour, in order to preserve fertility potential. This conservative management could be carried out even in patients with borderline ovarian tumour associated with non-invasive peritoneal implants ...

journal_title：Human reproduction update

authors： Morice P,Camatte S,Wicart-Poque F,Atallah D,Rouzier R,Pautier P,Pomel C,Lhommé C,Duvillard P,Castaigne D

更新日期：2003-03-01 00:00:00

abstract：:There has been an improvement in the blastocyst rates achieved following in-vitro embryo production that can largely be attributed to improved embryo culture conditions based on an increased knowledge of the in-vivo environment, as well as the metabolic needs of the embryo. Despite this, in-vitro oocyte maturation (IV...

journal_title：Human reproduction update

authors： Sutton ML,Gilchrist RB,Thompson JG

更新日期：2003-01-01 00:00:00

abstract：:The examination of fetal cells, specifically erythroblasts, and cell-free fetal DNA from the blood of pregnant women is currently the subject of intense research with the aim of developing new risk-free methods for prenatal diagnosis. An unexpected finding made during these studies was that the traffic of fetal erythr...

journal_title：Human reproduction update

authors： Hahn S,Holzgreve W

更新日期：2002-11-01 00:00:00

abstract：:After colonization of the gonad, mouse female germ cells enter into the prophase of the first meiotic division as a mid-gestational hallmark of gender. Perinatally, oocytes interact with granulosa cells to form primordial follicles which, with cyclic periodicity, enter into a 3-week growth phase that culminates in mei...

journal_title：Human reproduction update

authors： Amleh A,Dean J

更新日期：2002-09-01 00:00:00

abstract：:Hormonal contraception has become more effective and more widely used, while the world population has grown from 3000 million in 1960 to 6000 million in 2000. There is a need for improved contraception, because legal abortion is used in a high proportion of pregnancies and illegal abortion continues to be common in so...

journal_title：Human reproduction update

authors：

更新日期：2002-07-01 00:00:00

abstract：:The menopausal transition is an area of active clinical investigation and epidemiological research. Recent results from several worldwide cohorts of women are beginning to provide a paradigm by which to explain the epidemiological and clinical manifestations of the ovarian process of follicle attrition. Genetic resear...

journal_title：Human reproduction update

authors： Santoro N

更新日期：2002-03-01 00:00:00

abstract：:Varicocele is often cited as the most common cause of male factor infertility. Arguments in support of this statement include reports of increased prevalence of varicocele in populations of infertile men compared with fertile or otherwise unselected men, association of varicocele with abnormal semen parameters, and im...

journal_title：Human reproduction update

authors： Redmon JB,Carey P,Pryor JL

更新日期：2002-01-01 00:00:00

abstract：:Cancer treatment modalities are increasingly more effective in achieving complete remission and cure. Aggressive chemotherapy and radiotherapy, as well as bone marrow transplantation, results in >90% cure in many cancers of children and young women. As a result of this success however, a new problem has arisen. Many y...

journal_title：Human reproduction update

authors： Oktay K

更新日期：2001-11-01 00:00:00

abstract：:It has long been known that the testis is an immunologically privileged site in the body, and that human seminal plasma possesses a generalized immunosuppressive activity. Multiple factors participate in the establishment of immunotolerance in the testis: the blood-tubular barrier; the local production of immunosuppre...

journal_title：Human reproduction update

authors： Filippini A,Riccioli A,Padula F,Lauretti P,D'Alessio A,De Cesaris P,Gandini L,Lenzi A,Ziparo E

更新日期：2001-09-01 00:00:00

abstract：:Cryopreservation of testicular tissue might benefit prepubertal boys who must undergo chemotherapy or radiotherapy. Cryopreservation of testicular tissue and testicular cells for intracytoplasmic sperm injection (ICSI) is feasible and widely applied. Testicular tissue from prepubertal boys can also be frozen, by apply...

journal_title：Human reproduction update

authors： Hovatta O

更新日期：2001-07-01 00:00:00

abstract：:The effects on reproductive tract development in male rats, of neonatal exposure to potent (reference) oestrogens, diethylstilboestrol (DES) and ethinyl oestradiol (EE), with those of two environmental oestrogens, octylphenol and hisphenol A were systematically compared. Other treatments, such as administration of a g...

journal_title：Human reproduction update

authors： Williams K,McKinnell C,Saunders PT,Walker M,Fisher JS,Turner KJ,Atanassova N,Sharpe M

更新日期：2001-05-01 00:00:00

abstract：:Polychlorinated dioxins, furans and polychlorinated benzene constitute a family of toxic persistent environmental pollutants. In Europe, environmental concentrations increased slowly throughout this century until the late 1980s. Dioxins have been shown to be carcinogenic in animals and humans. In humans, excess risks ...

journal_title：Human reproduction update

authors： Kogevinas M

更新日期：2001-05-01 00:00:00

abstract：:Uterine malformations consist of a group of miscellaneous congenital anomalies of the female genital system. Their mean prevalence in the general population and in the population of fertile women is approximately 4.3%, in infertile patients approximately 3.5% and in patients with recurrent pregnancy losses approximate...

journal_title：Human reproduction update

authors： Grimbizis GF,Camus M,Tarlatzis BC,Bontis JN,Devroey P

更新日期：2001-03-01 00:00:00

abstract：:During the last decade oocyte donation has been highly successful for treating women previously thought to be hopelessly infertile. The pregnancy rate after oocyte donation is among the highest reported for any fertility-enhancing procedure. Most investigators have noted an increased rate of obstetric complications in...

journal_title：Human reproduction update

authors： Söderström-Anttila V

更新日期：2001-01-01 00:00:00

abstract：:Leiomyomata represent the most common gynaecological tumour in women of reproductive age, and are the primary indication for hysterectomy in the USA. Cytogenetic and genetic studies have, in recent years, advanced our understanding of the aetiology of these tumours. Cytogenetic aberrations involving chromosomes 6, 7, ...

journal_title：Human reproduction update

authors： Ligon AH,Morton CC

更新日期：2001-01-01 00:00:00

abstract：:The number of cell divisions during embryonic and fetal life makes the embryo/fetus particularly vulnerable to effects resulting from exposure to an adverse intrauterine environment. Exposure to drugs and irradiation at this stage of development are able to cause congenital malformations and various cancers in later l...

journal_title：Human reproduction update

authors： Petry CJ,Hales CN

更新日期：2000-11-01 00:00:00

abstract：:Insulin-like growth factor-1 (IGFBP-1) is particularly important in human female reproductive physiology, where it is involved with other factors in a complex system which regulates menstrual cycles, puberty, ovulation, decidualization, implantation and fetal growth. This has implications for clinical obstetrics and g...

journal_title：Human reproduction update

authors： Fowler DJ,Nicolaides KH,Miell JP

更新日期：2000-09-01 00:00:00

abstract：:In those clinical situations in which an immediate and profound suppression of gonadotrophins is desired, LHRH agonists have the disadvantage of producing an initial stimulatory effect on hormone secretion. Therefore, the use of GnRH antagonists which cause an immediate and dose-related inhibition of LH and FSH by com...

journal_title：Human reproduction update

authors： Reissmann T,Schally AV,Bouchard P,Riethmiiller H,Engel J

更新日期：2000-07-01 00:00:00

abstract：:Women suffer a higher incidence of osteoporosis than men, in part due to oestrogen deficiency after menopause. In fact, the administration of oestrogen to post-menopausal women is associated with a decrease of bone resorption. Tamoxifen is a widely used selective oestrogen receptor modulator in women with breast cance...

journal_title：Human reproduction update

authors： Díez JL

更新日期：2000-05-01 00:00:00

abstract：:Assisted conception is a useful methodology for detecting disturbances in clinical outcome, meiotic maturation, and genetic integrity of human gametes. Germinal cells are vulnerable to genetic damage from smoking, but can repair damage during meiosis. In ejaculated spermatozoa, repair capacity declines drastically. Sm...

journal_title：Human reproduction update

authors： Zenzes MT

更新日期：2000-03-01 00:00:00

abstract：:Significant association between endometriosis, including minor endometriosis, and infertility (or strictly subfertility) is shown by prevalence studies, but a causal relationship has not been established. This review focuses on evidence for pituitary-ovarian dysfunction as a cause for the subfertility. A methodologica...

journal_title：Human reproduction update

authors： Cahill DJ,Hull MG

更新日期：2000-01-01 00:00:00

abstract：:This review presents detailed risk estimates from relevant epidemiological and other studies on the comparative safety of second and third generation oral contraceptives (OC). Written with the intention of presenting a repository of the available information, it also discourses briefly into the symptomatology and diag...

journal_title：Human reproduction update

authors： Edwards RG,Cohen J

更新日期：1999-11-01 00:00:00

abstract：:The results of the Transnational Study on Oral Contraceptives and the Health of Young Women studies are reviewed, potential biases shown, and new analyses are presented. The initial finding was a slight increase in the risk of venous thromboboembolism (VTE) when users of third generation OC (containing the progestins ...

journal_title：Human reproduction update

authors： Lewis MA

更新日期：1999-11-01 00:00:00

abstract：:In the male genital tract, reactive oxygen species (ROS) are generated by spermatozoa and leukocytes including neutrophils and macrophages. ROS are involved in the regulation of sperm functions such as capacitation and the acrosome reaction. Infections lead to an excessive ROS production, resulting in an 'oxidative bu...

journal_title：Human reproduction update

authors： Ochsendorf FR

更新日期：1999-09-01 00:00:00

abstract：:The wide use of assisted conception methods has risen dramatically. The greater proportion of singletons, twins and high order of multiplicity conceived by those methods have already focused the medical community to various obstetric complications. Recently, there have been suggestions that the levels of mid-gestation...

journal_title：Human reproduction update

authors： Maymon R,Dreazen E,Weinraub Z,Bukovsky I,Herman A

更新日期：1999-09-01 00:00:00

abstract：:Mucin glycoproteins are major constituents of the glycocalyx that covers mucosal epithelium. Two broad classes of mucins exist: membrane-associated and secretory. Of the secreted mucins, those with cysteine-rich regions are thought to polymerize through disulphide bonds. Among these gel-forming mucins are MUC2, MUC5AC...

journal_title：Human reproduction update

authors： Lagow E,DeSouza MM,Carson DD

更新日期：1999-07-01 00:00:00

abstract：:The human ovary is a dynamic organ which continually changes in size and activity through life, as an integral part of the changes that the female is going through before during and after her reproductive life. Following the rapid increase in the use of transvaginal scan in recent years, the measurement of ovarian vol...

journal_title：Human reproduction update

authors： Lass A,Brinsden P

更新日期：1999-05-01 00:00:00

abstract：:As soon as leptin was discovered four years ago, its potential as a player in the polycystic ovary syndrome (PCOS) was explored in a primitive way, though little light was shed on the enigma that is PCOS. As a second wave of leptin research is now available, we review how the expanded role of the cytokine in reproduct...

journal_title：Human reproduction update

authors： Jacobs HS,Conway GS

更新日期：1999-03-01 00:00:00

abstract：:Homocysteine, a product of the methionine cycle, is known to play an important role in cardiovascular diseases, neurological disorders and embryology, and in very important, fast growing fields concerning obstetrics and gynaecology. Therefore, we attempted an actual overview on possible obstetrical and gynaecological ...

journal_title：Human reproduction update

authors： Obwegeser R,Hohlagschwandtner M,Sinzinger H

更新日期：1999-01-01 00:00:00

abstract：:Insulin plays a central role in human pregnancy. Maternal insulin sensitivity decreases with advancing gestation in order to provide glucose and possibly other nutrients for feto-placental growth and energy needs. Moreover, alterations of insulin metabolism are clearly involved in the development of gestational diabet...

journal_title：Human reproduction update

authors： Ciampelli M,Lanzone A,Caruso A

更新日期：1998-11-01 00:00:00

abstract：:We have examined aspects of the fine structure of the basal laminae associated with the luminal and glandular epithelium and small blood vessels in the human endometrium. Four short studies are presented and reviewed. Study 1 examined biopsies from 20 fertile women taken on days after the luteinizing hormone surge (LH...

journal_title：Human reproduction update

authors： Dockery P,Khalid J,Sarani SA,Bulut HE,Warren MA,Li TC,Cooke ID

更新日期：1998-09-01 00:00:00