keyword
MENU ▼
Read by QxMD icon Read
search

Oestradiol

keyword
https://www.readbyqxmd.com/read/28405466/potentially-effective-therapy-of-heavy-menstrual-bleeding-with-an-oestradiol-nomegestrol-acetate-oral-contraceptive-a-pilot-study
#1
Edith Weisberg, Kevin McGeehan, Jane Hangan, Ian S Fraser
BACKGROUND: Heavy menstrual bleeding (HMB) exceeding 80 mL per cycle leads to considerable adverse impact on a woman's iron metabolism, incidence of iron deficiency and anaemia, as well as her functioning in society. The objective of the study is to determine the potential efficacy of a Monophasic oestradiol-17β-nomegestrol acetate (E2/Nomac) combined oral contraceptive pill on measured menstrual blood loss as a pilot study in 12 women with objectively demonstrated HMB (>80 mL per cycle)...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28393358/effects-of-altered-photoperiod-and-temperature-on-expression-levels-of-gonadotrophin-subunit-mrnas-in-the-female-stinging-catfish-heteropneustes-fossilis
#2
A Acharjee, R Chaube, K P Joy
Differential effects of photoperiod and temperature on the temporal modulation of gonadotrophin subunit genes (glycoprotein α, gpα), follicle-stimulating hormone β (fshβ) and luteinizing hormone β (lhβ) expression were investigated in the stinging catfish Heteropneustes fossilis. Female H. fossilis were exposed to varying photoperiod and temperature conditions for 14 and 28 days in the early preparatory phase of the annual reproductive cycle. Gonadotrophin subunit gene expression, gonado-somatic index (IG ), ovarian histology and plasma steroid hormone levels were evaluated...
April 9, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28385396/monitoring-menstrual-cycle-gestation-and-lactation-by-measuring-urinary-oestradiol-and-progesterone-in-the-captive-golden-snub-nosed-monkey-rhinopithecus-roxellanae
#3
Wei-Zhen Chen, Yue Li, Hui-Liang Yu, Hui Yao, Xiang Li, Li Han, Chang-Min Hu, Jia-Jun Xiong, Dong-Ming Liu, Ming-Xing Ding, Jian-Guo Chen
The golden snub-nosed monkey is an endangered species and study of its reproductive physiology is crucial for the species' breeding programs. Urine samples (770) from 5 mature female golden snub-nosed monkeys were collected in the Shengnongjia Nature Reserve between October 2013 and December 2014 to monitor their menstrual cycle, gestation, and lactation. The concentrations of oestradiol (E2) and progesterone (P4) in the samples were measured by Chemiluminescent Microparticle Immunoassay (CMIA), and the hormone concentrations were indexed to creatinine levels to compensate for differences in water content...
March 30, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28366192/melatonin-potentially-acts-directly-on-swine-ovary-by-modulating-granulosa-cell-function-and-angiogenesis
#4
Giuseppina Basini, Simona Bussolati, Roberta Ciccimarra, Francesca Grasselli
Melatonin exerts well-known reproductive effects, mainly acting on hypothalamic gonadotrophin-releasing hormone release. More recent data suggest that melatonin acts directly at the ovarian level, even if, at present, these aspects have been only partly investigated. Swine follicular fluid contains melatonin and its concentration is significantly reduced during follicular growth. Therefore, the present study was undertaken to examine the effects of melatonin, used at physiological concentrations, on cultured swine granulosa cells collected from small (<3mm) and large (>5mm) follicles on the main parameters of granulosa cell function such as proliferation and steroidogenesis, namely oestradiol 17β and progesterone (P4) production...
April 3, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28356185/steroid-hormones-interact-with-natriuretic-peptide-c-to-delay-nuclear-maturation-to-maintain-oocyte-cumulus-communication-and-to-improve-the-quality-of-in-vitro-produced-embryos-in-cattle
#5
Ana Caroline S Soares, Valentina Lodde, Rodrigo G Barros, Christopher A Price, Alberto M Luciano, José Buratini
In vivo, oocyte maturation is triggered by the ovulatory LH surge, whereas in vitro it is precociously induced when the cumulus-oocyte complex is removed from the follicle. Natriuretic peptide C (NPPC) delays germinal vesicle breakdown (GVBD) while increasing oocyte-cumulus communication during in vitro maturation (IVM) in cattle. In the present study we first tested the hypothesis that steroids secreted by the follicle (17β-oestradiol, progesterone and androstenedione) interact with NPPC to delay GVBD and to maintain oocyte-cumulus communication as assessed by transfer of a dye (Lucifer Yellow) from the oocyte to cumulus cells...
March 30, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28350532/urethral-proteomic-analysis-in-ovariectomized-mice-administered-17%C3%AE-oestradiol-replacement-therapy
#6
Huey-Yi Chen, Yu-Ning Lin, Wen-Chi Chen, Shih-Jing Wang, Chao-Jung Chen, Yung-Hsiang Chen
The molecular mechanism by which 17β-oestradiol (E2) increases urethral tone is unclear. As human tissue is limited in availability, we explored changes in the urethras of ovariectomized (OVX) mice. Twenty-four virgin female mice were randomised into three groups: mice with a sham operation only (control), OVX mice without E2 replacement (OVX), and OVX mice with E2 replacement (OVX + E2). Two weeks after the ovariectomy, mice received either E2 or placebo for 4 weeks. Leak point pressure (LPP) and maximum urethral closure pressure (MUCP) were assessed in these mice at 6 weeks after OVX, under anaesthesia...
March 28, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28341464/reproductive-effects-of-oestrogenic-endocrine-disrupting-chemicals-in-astyanax-rivularis-inhabiting-headwaters-of-the-velhas-river-brazil
#7
André Alberto Weber, Davidson Peruci Moreira, Rafael Magno Costa Melo, Augusto Bicalho Cruz Vieira, Paula Suzanna Prado, Mirra Angelina Neres da Silva, Nilo Bazzoli, Elizete Rizzo
The Velhas River is the most polluted river in the state of Minas Gerais, south-eastern Brazil. Due to its historical and environmental relevance, the aim of this study was to evaluate the effects of oestrogenic endocrine disruptors on the reproduction of the lambari Astyanax rivularis, a small-sized species found in headwaters of the São Francisco River basin. Quarterly field samplings were carried out during a reproductive cycle in three streams of the upper Velhas River: S1 (reference site) and S2 and S3 (sites contaminated by untreated sewage)...
March 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28334719/meta-analysis-of-paediatric-patients-with-central-precocious-puberty-treated-with-intramuscular-triptorelin-11-25-mg-3-month-prolonged-release-formulation%C3%A2
#8
Adélaïde Durand, Maithé Tauber, Bharat Patel, Pascale Dutailly
BACKGROUND/AIMS: A meta-analysis was undertaken to assess the effect of triptorelin 11.25 mg 3-month prolonged-release formulation in central precocious puberty (CPP). METHODS: All available clinical studies with triptorelin 11.25 mg were included. The primary outcome was the proportion of children with suppressed luteinising hormone (LH) response (peak LH ≤3 IU/L) to the gonadotrophin-releasing hormone (GnRH) test 3 months after triptorelin 11.25 mg injection...
March 23, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28333356/the-safety-and-efficacy-of-controlled-ovarian-hyperstimulation-for-fertility-preservation-in-women-with-early-breast-cancer-a-systematic-review
#9
Rachael J Rodgers, Geoffrey D Reid, Juliette Koch, Rebecca Deans, William L Ledger, Michael Friedlander, Robert B Gilchrist, Kirsty A Walters, Jason A Abbott
STUDY QUESTION: Can controlled ovarian hyperstimulation (COH) for fertility preservation be effectively conducted in women with breast cancer without worsening their prognosis? SUMMARY ANSWER: COH with co-administration of letrozole suppresses oestradiol levels without significantly impacting oocyte yield or decreasing disease-free survival rates. WHAT IS KNOWN ALREADY: Oestradiol has the capacity to stimulate the proliferation of breast cancer cells...
May 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333292/a-randomized-double-blinded-controlled-trial-of-hcg-as-luteal-phase-support-in-natural-cycle-frozen-embryo-transfer
#10
Vivian Chi Yan Lee, Raymond Hang Wun Li, William Shu Biu Yeung, H O Pak Chung, Ernest Hung Yu Ng
STUDY QUESTION: Does the use of hCG as luteal phase support in natural cycle frozen embryo transfer (FET) increase the ongoing pregnancy rate? STUDY ANSWER: The use of hCG in natural cycle FET did not improve the ongoing pregnancy rate. WHAT IS KNOWN ALREADY: The use of luteal phase support in stimulated cycles has been associated with higher live-birth rates and the results are similar when using hCG or progesterone. STUDY DESIGN SIZE, DURATION: This is a randomized double-blinded controlled trial of 450 women recruited between August 2013 and October 2015...
May 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28325095/concomitant-use-of-fsh-and-low-dose-recombinant-hcg-during-the-late-follicular-phase-versus-conventional-controlled-ovarian-stimulation-for-intracytoplasmic-sperm-injection-cycles
#11
Carla Andrade Rebello Iaconelli, Amanda Souza Setti, Daniela Paes Almeida Ferreira Braga, Luiz Guilherme Louzada Maldonado, Assumpto Iaconelli, Edson Borges, Tsutomu Aoki
The objective of this study was to investigate the effects of low-dose hCG supplementation on ICSI outcomes and controlled ovarian stimulation (COS) cost. Three hundred and thirty patients undergoing ICSI were split into groups according to the COS protocol: (i) control group (n = 178), including patients undergoing conventional COS treatment; and (ii) low-dose hCG group (n = 152), including patients undergoing COS with low-dose hCG supplementation. Lower mean total doses of FSH administered and higher mean oestradiol level and mature oocyte rates were observed in the low-dose hCG group...
March 22, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28321875/zygoparity-and-sex-steroid-hormone-profiles-in-bluemouth-helicolenus-dactylopterus
#12
V Sequeira, E Couto, A Neves, A R Vieira, R B Paiva, A V M Canario, L S Gordo
Two hundred and seven individuals (103 females and 104 males) of bluemouth Helicolenus dactylopterus (Scorpaeniformes, Sebastidae), a commercially important deep-water species with an unusual reproductive strategy, from the eastern Atlantic Ocean ranging from 13·9 to 37·5 cm total length (LT ) were analysed from September 2011 to October 2012. The analysis included gonad maturity phases and blood-plasma levels of oestradiol-17β (E2 ), 11-ketotestosterone (11-KT) and 17,20β-dihydroxypregn-4-en-3-one (17,20β-P)...
March 21, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28318602/metals-hormones-and-sexual-maturation-in-flemish-adolescents-in-three-cross-sectional-studies-2002-2015
#13
Sam De Craemer, Kim Croes, Nicolas van Larebeke, Stefaan De Henauw, Greet Schoeters, Eva Govarts, Ilse Loots, Tim Nawrot, Vera Nelen, Elly Den Hond, Liesbeth Bruckers, Yue Gao, Willy Baeyens
Sex hormone levels and timing of sexual maturation are considered important markers for health status of adolescents in puberty, and previous research suggests they might be influenced by metal exposure. In three campaigns of the Flemish Environment and Health Study (FLEHS I 2002-2006; FLEHS II 2007-2011 and FLEHS III 2012-2015), data were collected on internal exposure to metals (Cd, Cu, Pb, Cr, Mn, Tl, Ni, Sb, Hg, As and As species) and sexual maturation in 2671 14-15years old adolescents. All metals were measured in blood and/or urine, except total- and methylmercury which were measured in hair samples...
March 17, 2017: Environment International
https://www.readbyqxmd.com/read/28317410/sex-hormone-binding-globulin-and-antithrombin-iii-activity-in-women-with-oral-ultra-low-dose-estradiol
#14
Sumika Matsui, Toshiyuki Yasui, Kana Kasai, Kaoru Keyama, Kanako Yoshida, Takeshi Kato, Hirokazu Uemura, Akira Kuwahara, Toshiya Matsuzaki, Minoru Irahara
Oral oestrogen increases the risk of venous thromboembolism (VTE) and increases production of sex hormone-binding globulin (SHBG) in a dose-dependent manner. SHBG has been suggested to be involved in venous thromboembolism. We examined the effects of oral ultra-low-dose oestradiol on circulating levels of SHBG and coagulation parameters, and we compared the effects to those of transdermal oestradiol. Twenty women received oral oestradiol (500 μg) every day (oral ultra-low-dose group) and 20 women received a transdermal patch (50 μg) as a transdermal group...
March 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28296530/early-post-haemorrhagic-stroke-testosterone-and-oestradiol-levels-and-long-term-risk-of-death
#15
Jing Cai, Jingbo Li, Shuda Chen, Jing Meng, Reng Ren, Min Li
OBJECTIVE: The influence of oestrogen and testosterone replacement on stroke risk has been examined, as well as mechanisms by which oestrogen may protect from post-stroke damage. However, whether testosterone levels in the early time period after haemorrhagic stroke influence long-term mortality has not previously been investigated. We examined whether these concentrations were predictive of risk of death. SETTING: University hospital. DESIGN: Prospective study...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28295702/effect-of-steroid-hormones-on-the-innate-immune-response-induced-by-staphylococcus-aureus-in-the-goat-mammary-gland
#16
K Kuwahara, Y Yoshimura, N Isobe
The objective of this study was to compare the dynamics of innate immune components after intramammary infusion of Staphylococcus aureus (SA) under conditions of high oestrogen and high progesterone in goats. In one group ("E-group"), controlled internal drug release (CIDR) devices were inserted intravaginally from days -11 to -4. Prostaglandin F2α was administered immediately after removal of the CIDR device at day -3, and then oestradiol benzoate (E) was injected intramuscularly once a day from days -2 to 3...
March 12, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28290259/synergistic-attenuation-of-ovariectomy-induced-bone-loss-by-combined-use-of-fish-oil-and-17%C3%AE-oestradiol
#17
Youri Jin, Myoungsook Lee, Yongsoon Park
Oestrogen and n-3 PUFA, especially EPA and DHA, have been reported to have beneficial effects on bone loss. Thus, the purpose of the present study was to investigate the synergistic bone-protective mechanism of combined treatments of EPA+DHA supplementation and oestrogen injection in ovariectomised rats. Rats were fed a modified American Institute of Nutrition-93G diet with 0 %, 1 % or 2 % n-3 PUFA (EPA+DHA) relative to the total energy intake for 12 weeks. Rats were surgically ovariectomised at week 8, and after a 1-week recovery period rats were injected with either 17β-oestradiol-3-benzoate (E2) or maize oil for the last 3 weeks...
March 14, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28276200/vasomotor-symptoms-due-to-natural-menopause-systematic-review-and-network-meta-analysis-nma-of-treatment-effects-from-the-nice-menopause-guideline
#18
Grammati Sarri, Hugo Pedder, Sofia Dias, Yelan Guo, Mary Ann Lumsden
BACKGROUND: Vasomotor symptoms (VMS) are the hallmarks of menopause, occurring in approximately 75% of postmenopausal women in the UK and are severe in 25%. OBJECTIVES: To identify which treatments are most clinically effective for the relief of VMS for non-hysterectomized women in natural menopause. SEARCH STRATEGY: English publications in MEDLINE, Embase and The Cochrane Library up to 13(th) January 2015 were searched. SELECTION CRITERIA: Randomized trials (RCTs) of treatments for women with a uterus for the outcomes of frequency of VMS (up to 26 weeks), vaginal bleeding and discontinuation...
March 9, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28257559/non-contraceptive-oestrogen-containing-preparations-for-controlling-symptoms-of-premenstrual-syndrome
#19
REVIEW
Bushra Naheed, Jan Herman Kuiper, Olalekan A Uthman, Fidelma O'Mahony, Patrick Michael Shaughn O'Brien
BACKGROUND: Premenstrual syndrome (PMS) is a psychological and somatic disorder of unknown aetiology, with symptoms typically including irritability, depression, mood swings, bloating, breast tenderness and sleep disturbances. About 3% to 10% of women who experience these symptoms may also meet criteria for premenstrual dysphoric disorder (PMDD). PMS symptoms recur during the luteal phase of the menstrual cycle and reduce by the end of menstruation. PMS results from ovulation and may be due to ovarian steroid interactions relating to neurotransmitter dysfunction...
March 3, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28244646/17%C3%AE-oestradiol-promotes-differentiation-of-human-embryonic-stem-cells-into-dopamine-neurons-via-cross-talk-between-insulin-like-growth-factors-1-and-oestrogen-receptor-%C3%AE
#20
Hong Li, Chenyue Ding, Zhi-Liang Ding, Mingfa Ling, Ting Wang, Wei Wang, Boxian Huang
Human embryonic stem cells (hESCs) can self-renew and differentiate into all cell lineages. E2 is known to exhibit positive effects on embryo development. Although the importance of E2 in many physiological processes has been reported, to date few researchers have investigated the effects of E2 on hESCs differentiation. We studied the effects of E2 on dopamine (DA) neuron induction of hESCs and its related signalling pathways using the three-stage protocol. In our study, 0.1 μM E2 were applied to hESCs-derived human embryoid bodies (hEBs) and effects of E2 on neural cells differentiation were investigated...
February 28, 2017: Journal of Cellular and Molecular Medicine
keyword
keyword
80209
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"