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controlled ovarian stimulation

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https://www.readbyqxmd.com/read/28925272/-fertility-preserving-methods-in-women-with-breast-cancer-before-gonadotoxic-therapy
#1
N Halászová, I Crha, M Huser, V Weinberger, J Žáková, M Ješeta, E Lousová, E Filipinská, P Ventruba
OBJECTIVE: To present current options and own experiences with ovarian stimulation in young women with breast cancer before gonadotoxic therapy. DESIGN: Review article with own experiencies. METHODS: Literary search, analysis of own experiences with complex therapy in women with breast cancer planning pregnancy, definitions of stimulating protocols, using methods of assisted reproduction. SETTING: Department of Obstetrics and Gynecology, Faculty of Medicine, Masaryk University and University Hospital Brno...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28923282/association-between-abo-blood-type-and-live-birth-outcomes-in-single-embryo-transfer-cycles
#2
Nigel Pereira, Hency H Patel, Logan D Stone, Paul J Christos, Rony T Elias, Steven D Spandorfer, Zev Rosenwaks
OBJECTIVE: To investigate the association between ABO blood type and live-birth outcomes in patients undergoing IVF with day 5 single embryo transfer (SET). DESIGN: Retrospective cohort study. SETTING: University-affiliated center. PATIENT(S): Normal responders, <40 years old, undergoing their first IVF cycle with fresh SET. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Live-birth rate was the primary outcome...
September 15, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28914097/advanced-glycation-end-products-interfere-in-luteinizing-hormone-and-follicle-stimulating-hormone-signaling-in-human-granulosa-kgn-cells
#3
Eleni A Kandaraki, Antonios Chatzigeorgiou, Efstathia Papageorgiou, Christina Piperi, Christos Adamopoulos, Athanasios G Papavassiliou, Michael Koutsilieris, Evanthia Diamanti-Kandarakis
Advanced glycation end products accumulate in the ovarian granulosa-cell layer of women with polycystic ovarian syndrome. Taken that the MAPK/ERK-pathway is a key regulator of oocyte maturation and function, consisting the main pathway used by the gonadotrophic hormones (luteinizing hormone, follicle stimulating hormone) to control ovulation, the present study aims to assess advanced glycation end products' interference into luteinizing hormone-and follicle stimulating hormone-signaling via the MAPK/ERK-pathway in the human granulosa KGN cell line...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28912601/phf7-a-novel-male-gene-influences-female-fecundity-and-population-growth-in-nilaparvata-lugens-st%C3%A3-l-hemiptera-delphacidae
#4
Lin-Quan Ge, Ting Xia, Bo Huang, Hao-Tian Gu, Qi-Sheng Song, Guo-Qing Yang, Fang Liu, Jin-Cai Wu
PHF7 exhibits male-specific expression in early germ cells, germline stem cells and spermatogonia in insects, and its expression promotes spermatogenesis in germ cells when they are present in a male soma. However, the influence of male-specific PHF7 on female reproductive biology via mating remains unclear. Thus, we investigated the potential impacts of male PHF7, existed in seminal fluid of Nilaparvata lugens (NlPHF7), on fecundity and population growth via mating. Our results revealed that suppressing male NlPHF7 expression by RNAi led to decreases in body weight, soluble accessory gland protein content, arginine content, and reproductive organ development in males, resulting in significant reduction of oviposition periods and fecundity in females, and significant decrease in body weight, fat body and ovarian protein content, yeast-like symbionts abundance, ovarian development and vitellogenin gene expression in their female mating partners...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28911928/introduction-contemporary-approaches-to-alternative-ovarian-stimulation-strategies-for-in%C3%A2-vitro-fertilization
#5
Richard J Paulson
In the current practice of IVF, the vast majority of cycles use some form of controlled ovarian stimulation before egg retrieval to increase the number of embryos available for transfer or cryopreservation. However, the optimal stimulation regimen has not been established. This month's Views and Reviews presents five different approaches to alternative ovarian stimulation strategies. These include mild stimulation regimens, modified natural cycles, stimulation with oral agents, in vitro maturation (in the absence of stimulation), and finally, a proposal for patient-tailored ovarian stimulation...
September 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28904496/serum-amh-level-to-predict-the-hyper-response-in-women-with-pcos-and-non-pcos-undergoing-controlled-ovarian-stimulation-in-art
#6
Radha Vembu, Nellepalli Sanjeeva Reddy
BACKGROUND: It is essential to determine the cut-off value of serum anti-Mullerian hormone (AMH) to predict the hyper response in assisted reproductive technology (ART). There are few studies mentioning the cut-off value for the hyper response in infertile women but not specifically for polycystic ovary syndrome (PCOS) and non-PCOS groups. With this in background, this study was conducted. AIM: To determine the cut-off value of serum AMH to predict the hyper response in women with PCOS and non-PCOS undergoing a controlled ovarian stimulation (COS) in ART...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28903582/methylprednisolone-for-prevention-of-ovarian-hyperstimulation-syndrome-in-patients-with-polycystic-ovarian-syndrome-undergoing-in-vitro-fertilisation-a-randomised-controlled-trial
#7
Ladan Mohammadi Yeganeh, Ashraf Moini, Marzieh Shiva, Naimeh Mirghavam, Narges Bagheri Lankarani
This study aimed to evaluate the effect of methylprednisolone on prevention of ovarian hyperstimulation syndrome (OHSS) in polycystic ovarian syndrome (PCOS) patients undergoing in-vitro fertilisation (IVF). This randomised controlled trial was carried out between November 2009 and December 2013. A total of 219 eligible patients were randomly allocated for treatment (n = 108) or control groups (n = 111). The treatment group received oral methylprednisolone starting from the first day of stimulation...
September 14, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28903472/gnrh-antagonist-versus-long-agonist-protocols-in-ivf-a-systematic-review-and-meta-analysis-accounting-for-patient-type
#8
C B Lambalk, F R Banga, J A Huirne, M Toftager, A Pinborg, R Homburg, F van der Veen, M van Wely
BACKGROUND: Most reviews of IVF ovarian stimulation protocols have insufficiently accounted for various patient populations, such as ovulatory women, women with polycystic ovary syndrome (PCOS) or women with poor ovarian response, and have included studies in which the agonist or antagonist was not the only variable between the compared study arms. OBJECTIVE AND RATIONALE: The aim of the current study was to compare GnRH antagonist protocols versus standard long agonist protocols in couples undergoing IVF or ICSI, while accounting for various patient populations and treatment schedules...
September 1, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28901488/the-role-of-fructose%C3%A2-1-6%C3%A2-bisphosphatase-1-in-abnormal-development-of-ovarian-follicles-caused-by-high-testosterone-concentration
#9
Tao Liu, Han Zhao, Jianfeng Wang, Xin Shu, Yuan Gao, Xiaoli Mu, Fei Gao, Hongbin Liu
The present study aimed to identify the molecular mechanisms underlying the effects of the fructose‑1,6‑bisphosphatase 1 (FBP1) signaling pathway within normal follicle development and in hyperandrogenism‑induced abnormal follicle growth. To achieve this, murine primary follicles, granulosa cells (GCs) and theca‑interstitial cells (TICs) were isolated, cultured in vitro and treated with a high concentration of androgens. A concentration of 1x10‑5 mol/l testosterone was considerable to induce hyperandrogenism by MTT assay...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901470/tlr5-7-mediated-pi3k-activation-triggers-epithelial-mesenchymal-transition-of-ovarian-cancer-cells-through-wave3-dependent-mesothelin-or-oct4-sox2-expression
#10
Ga Bin Park, Daejin Kim
Toll-like receptor (TLR)-mediated signaling induces cell migration or invasion in several tumors and various stages of cancer. Interactions of mesothelin, a 40-kDa cell surface glycoprotein, with cancer antigen 125 (CA125) is associated with drug resistance, metastasis, and poor clinical outcome of ovarian cancer patients. In this study, we examined the role of TLR5 and TLR7 in the metastasis of ovarian cancer through the induction of mesothelin/CA125 expression and investigated its underlying mechanism. TLR5 agonist (flagellin) and TLR7 agonist (imiquimod) upregulated mesenchymal phenotypes and produced epithelial-mesenchymal transition (EMT)-related cytokines in the SKOV3 cells; however, TLR7 expressing CaOV3 cells had no response to the specific ligand, imiquimod, for enhancing its EMT processes...
September 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28898686/the-impact-of-ovulation-induction-and-ovarian-stimulation-on-the-risk-of-pregnancy-induced-hypertension-and-on-neonatal-outcomes-a-case-control-study
#11
Lionel Carbillon, Heloise Gronier, Isabelle Cedrin-Durnerin, Isabelle Pharisien, Minh T Nguyen, Paul Valensi, Emmanuel Cosson
OBJECTIVES: To study the role of ovarian stimulation procedures on the risk of pregnancy-induced hypertension, gestational diabetes mellitus and neonatal outcomes according to women's characteristics and the causes of infertility. DESIGN: Retrospective, observational, case/control study. PATIENTS: Spontaneous pregnancies (group A, n=8107), pregnancies achieved after mild ovarian ovulation induction without other Assisted Reproductive Technology (ART) procedures (group B, n=44), pregnancies after mild ovarian stimulation and ART procedures (group C, n=53) or pregnancies after multi (>2) follicular stimulation with gonadotrophin therapy and ART procedures (group D, n=133); all of the groups had identical protocols for prenatal care...
September 1, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28893570/phytoestrogenic-effect-of-inula-racemosa-hook-f-a-cardioprotective-root-drug-in-traditional-medicine
#12
Mangathayaru Kalachaveedu, Divya Raghavan, Srivani Telapolu, Sarah Kuruvilla, Balakrishna Kedike
ETHNOPHARMACOLOGICAL RELEVANCE: Roots of Inula racemosa are used as a cardio protective in Ayurveda in India, being prescribed as a medicine for precordial chest pain, cough and dyspnoea, both singly and as a poly herbal. AIM: Evaluation of Phytoestrogenic activity of the root extracts of Inula racemosa and compounds isolated therefrom in vivo, in silico and in vitro. MATERIALS AND METHODS: Alcohol (IrA) and hexane (IrH) extracts characterized by HPTLC/GC-MS analysis respectively and processed for compound isolation were evaluated for estrogenic activity (100 & 250mg/kg bw) by the Immature rat uterotrophic assay using ethinylestradiol (EE -30µg/kg bw) as standard drug...
September 8, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28890679/effects-of-salpingectomy-during-abdominal-hysterectomy-on-ovarian-reserve-a-randomized-controlled-trial
#13
Afsaneh Tehranian, Roghayeh Hassani Zangbar, Faezeh Aghajani, Mahdi Sepidarkish, Saeedeh Rafiei, Tayebe Esfidani
BACKGROUND: The aim of this study was to investigate the effect of salpingectomy on ovarian function by measuring AMH. METHODS: This study was a balanced, single-center, double-blind, randomized, controlled trial in Ruin Tan Arash Hospital, Tehran, between May 2013 and November 2014. A total of 30 patients undergoing elective abdominal hysterectomy were randomized into two groups, 15 with salpingectomy and 15 without salpingectomy. The primary objective of this study was to compare mean difference of anti-Mullerian hormone (AMH) between two groups...
2017: Gynecological Surgery
https://www.readbyqxmd.com/read/28890430/how-to-personalize-ovarian-stimulation-in-clinical-practice
#14
Giovanna Sighinolfi, Valentina Grisendi, Antonio La Marca
Controlled ovarian stimulation (COS) in in vitro fertilization (IVF) cycles is the starting point from which couple's prognosis depends. Individualization in follicle-stimulating hormone (FSH) starting dose and protocol used is based on ovarian response prediction, which depends on ovarian reserve. Anti-Müllerian hormone levels and the antral follicle count are considered the most accurate and reliable markers of ovarian reserve. A literature search was performed for studies that addressed the ability of ovarian reserve markers to predict poor and high ovarian response in assisted reproductive technology cycles...
September 1, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28888334/preparation-characterization-and-application-of-long-acting-fsh-analogs-for-assisted-reproduction
#15
David Ben-Menahem
Assisted reproduction technologies are widely used in humans and domestic animals and often include follicle stimulating hormone (FSH) in the protocol. One limitation with most of the available FSH preparations is the relative short half-life in the circulation that dictates multiple daily injections for the desired follicle development and superovulation. The development of bioactive long-acting structurally modified FSH analogs is desirable for human and veterinary use. In addition, optimal preparations and/or formulations are expected to improve the regimen and efficiency of the treatment...
September 6, 2017: Theriogenology
https://www.readbyqxmd.com/read/28888122/interferon-%C3%AF-induced-gene-expression-in-bovine-hepatocytes-during-early-pregnancy
#16
B Ruhmann, K Giller, A K Hankele, S E Ulbrich, M Schmicke
Interferon-tau (IFNτ) is the conceptus derived specific early pregnancy signal in bovidae. Locally, IFNτ induces an IFNτ specific gene expression (ISG) in endometrial cells and by this it averts luteolysis of the corpus luteum (CL) by suppressing prostaglandin production. Moreover, it was shown that IFNτ also induces ISG in the liver in pregnant sheep and in liver biopsies from Holstein Friesian heifers on Day 18 of pregnancy. The objective of the present study was to confirm increased hepatic ISG in vivo on Day 18 of pregnancy and to prove if hepatocytes and not non-parenchymal cells react to IFNτ by using immunohistochemistry and primary bovine hepatocytes stimulated in vitro with recombinant bovine IFNτ...
July 31, 2017: Theriogenology
https://www.readbyqxmd.com/read/28885729/leptin-induces-matrix-metalloproteinase-7-expression-to-promote-ovarian-cancer-cell-invasion-by-activating-erk-and-jnk-pathways
#17
Ahmad Ghasemi, Seyed Isaac Hashemy, Mahmoud Aghaei, Mojtaba Panjehpour
Leptin, an adipokine secreted by adipose tissue, induces cell invasion and metastasis. MMP7 is a member of the matrix metalloproteinase family that plays an important role in cell invasion. Here we evaluate the possible role and underlying mechanism of MMP7 in the leptin- mediated cell invasion in ovarian cancer cell lines. All experiments were carried out in cultured SKOV3, OVCAR3 and CaoV-3 ovarian cell lines. MMP7 expression was determined using the western blot following treatment to various concentrations of leptin for defined time intervals...
September 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28870217/controlled-ovulation-of-the-dominant-follicle-using-progestin-in-minimal-stimulation-in-poor-responders
#18
Qiuju Chen, Yun Wang, Lihua Sun, Shaozhen Zhang, Weiran Chai, Qingqing Hong, Hui Long, Li Wang, Qifeng Lyu, Yanping Kuang
BACKGROUND: The use of progestin (P) during ovarian stimulation is effective in blocking the luteinizing hormone (LH) surge in women with normal ovarian reserve, however, its effects have not been determined in poor responders. This study aimed to explore the follicular dynamics in P-primed minimal stimulation in poor responders. METHODS: A total of 204 infertile women with diminished ovarian reserve were allocated into the medroxyprogesterone acetate (MPA) group or the natural-cycle control group in an alternating order...
September 5, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28868943/evaluation-of-pro-oxidant-antioxidant-balance-pab-and-its-association-with-inflammatory-cytokines-in-polycystic-ovary-syndrome-pcos
#19
T Artimani, J Karimi, M Mehdizadeh, M Yavangi, E Khanlarzadeh, M Ghorbani, S Asadi, N Kheiripour
Chronic low-grade inflammation has been suggested as a key contributor of the pathogenesis and development of polycystic ovary syndrome (PCOS). To investigate the association between oxidative stress status and inflammatory cytokines in follicular fluid of 21 PCOS women compared to 21 women with normal ovarian function who underwent intra-cytoplasmic sperm injection. Concentration of IL-6, IL-8, IL-10, and TNF-α was measured using sandwich ELISA. Oxidative stress was examined by measuring total oxidant status (TOS), malondialdehyde (MDA), total antioxidant capacity (TAC), and thiol groups...
September 4, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28867888/efficacy-of-combined-cabergoline-and-metformin-compared-to-metformin-alone-on-cycle-regularity-in-patients-with-polycystic-ovarian-disease-with-hyperprolactinemia-a-randomized-clinical-trial
#20
Mervat Ali Mohamed Elsersy
PURPOSE: Polycystic ovarian syndrome (PCOS) is a common reproductive disorder. Increasing serum prolactin in these patients could be detected in both follicular and luteal phase of the normal and stimulated cycles. Hyperprolactinemia affects the hypothalamic-pituitary-ovarian axis causing anovulation and abnormal uterine bleeding. In this study, the efficacy of combined cabergoline and metformin therapy was compared to metformin therapy alone in patients with PCOS on the body mass index, androgen profile and menstrual cycle regulation...
October 2017: Journal of Obstetrics and Gynaecology of India
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