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https://www.readbyqxmd.com/read/28337831/interleukin-1-alpha-deficiency-increases-the-expression-of-follicle-stimulating-hormone-receptors-in-granulosa-cells
#1
Shiri Uri-Belapolsky, Irit Miller, Aviv Shaish, Mattan Levi, Dror Harats, Lihi Ninio-Many, Yehuda Kamari, Ruth Shalgi
Follicle-stimulating hormone receptor (FSHR) is a pivotal regulator of ovarian response to hormonal stimulation. Inflammatory conditions have been linked to lower FSHR expression in granulosa cells (GCs) as well as an attenuated response to hormonal stimulation. The current study aimed to reveal if deficiency and/or blockage of the pro-inflammatory cytokine interleukin 1-alpha (IL1A) increased Fshr expression in rodent GCs. We found elevated Fshr transcript abundance, as assessed by quantitative PCR, in primary GCs isolated from Il1a-knockout compared to wild-type mice, and that the expression of FSHR is significantly higher in Il1a-knockout compared to wild-type ovaries...
March 24, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28336198/augmented-oxidative-stress-in-infertile-women-with-persistent-chlamydial-infection
#2
Jelena Tošić-Pajić, Dragana Šeklić, Jelena Radenković, Snežana Marković, Jelena Čukić, Dejan Baskić, Suzana Popović, Milos Todorovic, Predrag Sazdanović
There is established association between oxidative stress, infections of genital tract and fertility. Genital tract infections may provoke increased production of free radicals and generate oxidative stress that can be involved in pathophysiology of a number of reproductive diseases and complications during pregnancy. The aim of this study was to determine connection between oxidative stress and infertility associated with persistent chlamydial infection. Serum samples of infertile women with tubal factor infertility (TFI), women with multiple spontaneous abortions (MSA) and fertile women was screened for C...
March 20, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28334513/the-number-of-cag-and-ggn-triplet-repeats-in-the-androgen-receptor-gene-exert-combinatorial-effect-on-hormonal-and-sperm-parameters-in-young-men
#3
M Grigorova, M Punab, T Kahre, M Ivandi, N Tõnisson, O Poolamets, V Vihljajev, B Žilaitienė, J Erenpreiss, V Matulevičius, M Laan
Androgen receptor (AR) is a transcription factor that is activated upon binding to testosterone (T) and is implicated in regulating the expression of reproduction-related genes. The human AR gene (Xq11-12) spans 186,588 bp and eight exons. N-terminal transactivation domain of the encoded AR protein harbours two polymorphic stretches of identical amino acids, a polyglutamine tract (encoded by 8-37 CAG-repeats) and a polyglycine tract (encoded by 10-30 GGN-repeats). We set forward to analyse independent and combinatory effects of the length of these repetitive tracts on male reproductive hormones, testicular and sperm parameters in a population-based cohort of Baltic young men (n = 974; aged 20...
March 23, 2017: Andrology
https://www.readbyqxmd.com/read/28329721/how-many-embryos-should-be-transferred-a-validated-score-to-predict-ongoing-implantation-rate
#4
Nicolas Gatimel, Melissa Ladj, Carole Teston, Florence Lesourd, Carole Fajau, Clémentine Cohade, Jean Parinaud, Roger D Léandri
OBJECTIVE: To developed a prognostic score to predict ongoing implantation rate according to clinical and biological parameters and to choose the number of embryos to be transferred in patients undergoing IVF/ICSI. STUDY DESIGN: The transfer score was established using multivariate analysis of biological and clinical parameters in 3211 fresh embryo transfers in a retrospective study. Then we validated the score in 694 fresh embryo transfers in a prospective study...
March 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28327172/effect-of-guizhifulingwan-keishibukuryogan-on-climacteric-syndrome-study-protocol-for-a-randomized-controlled-pilot-trial
#5
Jung-Eun Kim, Junghyo Cho, Ojin Kwon, Ae-Ran Kim, Hyo-Ju Park, So-Young Jung, Joo-Hee Kim, Mikyung Kim, Hye-Yoon Lee, Jun-Hwan Lee
BACKGROUND: The aim of this study is to explore the efficacy of Guizhifulingwan (GFW) in the treatment of climacteric syndrome in women. METHODS/DESIGN: This is a single-center, randomized, placebo-controlled, parallel-group design pilot trial. Fifty participants with climacteric syndrome will be randomly allocated to the GFW or placebo group in a 1:1 ratio. The participants will be administered GFW or placebo granules three times a day for 4 weeks and will be followed up for a further 4 weeks...
March 21, 2017: Trials
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
#6
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/28324034/anti-mullerian-hormone-and-ovarian-morphology-in-women-with-isolated-hypogonadotropic-hypogonadism-kallmann-syndrome-effects-of-recombinant-human-fsh
#7
Hélène Bry-Gauillard, Florence Larrat-Ledoux, Jean-Marc Levaillant, Nathalie Massin, Luigi Maione, Isabelle Beau, Nadine Binart, Philippe Chanson, Sylvie Brailly-Tabard, Janet E Hall, Jacques Young
Context: Isolated hypogonadotropic hypogonadism (IHH), characterized by gonadotropin deficiency and absent puberty, is very rare in women. IHH prevents pubertal ovarian stimulation, but anti-Mullerian hormone (AMH) and antral follicle count (AFC), have not been studied. Objectives: 1) Compare, in IHH versus controls, AMH, ovarian volume (OV) and AFC. 2) Compare in IHH, ovarian responses to recombinant human FSH (rhFSH) and rhFSH plus rhLH. Subjects: 68 IHH women, 51 matched healthy women...
January 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323948/dose-dependent-suppression-of-gonadotropins-and-ovarian-hormones-by-elagolix-in-healthy-premenopausal-women
#8
Juki Ng, Kristof Chwalisz, David C Carter, Cheri E Klein
Context: Elagolix is a nonpeptide, oral gonadotropin-releasing hormone (GnRH) antagonist being developed for sex-hormone dependent diseases in women. Objective: To evaluate the pharmacokinetics and pharmacodynamics of elagolix. Design, Setting, and Participants: Randomized, double-blind, placebo-controlled, multiple-ascending dose study in 45 healthy premenopausal women at a research unit. Interventions: Elagolix 150 mg once daily or 100, 200, 300 or 400 mg twice daily or placebo for 21 days...
February 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28299573/mkrn3-levels-in-girls-with-central-precocious-puberty-and-correlation-with-sexual-hormone-levels-a-pilot-study
#9
Anna Grandone, Grazia Cirillo, Marcella Sasso, Carlo Capristo, Gianluca Tornese, Pierluigi Marzuillo, Caterina Luongo, Giuseppina Rosaria Umano, Adalgisa Festa, Ruggero Coppola, Emanuele Miraglia Del Giudice, Laura Perrone
PURPOSE: Recently, mutations of makorin RING-finger protein 3 (MKRN3) have been described in familial central precocious puberty. Serum levels of this protein decline before the pubertal onset in healthy girls and boys. The aim of the study is to investigate MKRN3 circulating levels in patients with central precocious puberty. METHODS: We performed an observational cross-sectional study. We enrolled 17 patients with central precocious puberty aged 7 years (range: 2-8 years) and breast development onset <8 years; 17 prepubertal control age-matched patients aged 6...
March 15, 2017: Endocrine
https://www.readbyqxmd.com/read/28299523/predictors-for-spontaneous-pregnancy-after-microsurgical-subinguinal-varicocelectomy-a-prospective-cohort-study
#10
Jian-Wei Zhang, Quan-Quan Xu, You-Lin Kuang, Yan Wang, Feng Xu, Yu-Dong Tian
PURPOSE: The purpose of this study is to determine the possible preoperative predictors of spontaneous pregnancy (SPR) for infertile males with varicocele after microsurgical subinguinal varicocelectomy (MVL) performed in two medical centers in a prospective cohort study. METHODS: A total of 120 males with varicocele that underwent MVL between June 2013 and June 2014 in two medical centers were documented. Related data, including male and female partner age, male body mass index (BMI), female BMI, preoperative semen parameters, hormone levels, testicular volume, grade and side of varicocele, were collected and analyzed...
March 15, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28285614/effectiveness-of-co-treatment-with-traditional-chinese-medicine-and-letrozole-for-polycystic-ovary-syndrome-a-meta-analysis
#11
Qian-Wen Ma, Yong Tan
BACKGROUND: Polycystic ovary syndrome (PCOS) is an endocrine disease that affects gynecological health. Treatment of PCOS remains a big challenge for clinicians. OBJECTIVE: This meta-analysis was developed to compare the efficacy of co-treatment with traditional Chinese medicine (TCM) and letrozole against letrozole monotherapy in the treatment of PCOS. SEARCH STRATEGY: Randomized controlled trials (RCTs) were electronically retrieved from PubMed, Cochrane Library, China Biomedical Literature Database, China National Knowledge Infrastructure and Wanfang Data; related papers that were not available electronically were manually checked...
March 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28277112/myo-inositol-administration-positively-effects-ovulation-induction-and-intrauterine-insemination-in-patients-with-polycystic-ovary-syndrome-a-prospective-controlled-randomized-trial
#12
Özlen Emekçi Özay, Ali Cenk Özay, Erkan Çağlıyan, Recep Emre Okyay, Bülent Gülekli
Objectıve: The aim of the study is to investigate the effect of myo-inositol (MYO) on pregnancy rates of patients diagnosed with polycystic ovary syndrome (PCOS) who undergone controlled ovulation induction and intrauterine insemination (IUI). METHODS: A total of 196 infertile patients diagnosed with PCOS and admitted to Dokuz Eylul University Faculty of Medicine were included in the study between March 2013 and May 2016. The patients in group 1 (n = 98) were given 4 g MYO and 400 μg folic acid before and during ovulation induction...
March 3, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28276724/circulating-androgens-and-shbg-during-the-normal-menstrual-cycle-in-two-ethnic-populations
#13
Taraneh Rezaii, Thomas P Gustafsson, Magnus Axelson, Leyla Zamani, Malin Ernberg, Angelica L Hirschberg, Kjell A M Carlström
The objective of this study was to study possible ethnic differences in steroid hormones and sex hormone-binding globulin (SHBG) during the menstrual cycle. Serum levels of the ovarian steroids estradiol (E2) and progesterone (P) and of follicle-stimulating hormone (FSH), luteinizing hormone (LH), SHBG, dehydroepiandrosterone (DHEA) and testosterone (T-ria) were all measured by immunoassay during the menstrual cycle in 15 Swedish and 11 West Asian regularly menstruating women. Testosterone (T-ms) was also measured by LC-MS/MS and so were 4-androstene-3,17-dione (A-4) and 17-alpha-hydroxyprogesterone (17-OHP)...
May 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28264624/age-specific-ivf-outcomes-in-infertile-women-with-baseline-fsh-levels-%C3%A2-20-miu-ml
#14
Vitaly A Kushnir, Maxie Safdie, Sarah K Darmon, David F Albertini, David H Barad, Norbert Gleicher
INTRODUCTION: Infertile women with severely diminished ovarian reserve who have low birth chances with in vitro fertilization (IVF) are often denied treatment with autologous oocytes. This study was designed to determine age-specific treatment efficacy and clinical characteristics of infertile women with severely diminished ovarian reserve who had live birth following IVF with autologous oocytes. METHODS: This retrospective cohort study investigated 291 infertile women who underwent 482 IVF cycles with autologous oocytes during 2004 to 2016 at our academically affiliated private fertility center...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28258581/effects-of-anabolic-androgenic-steroids-on-the-reproductive-system-of-athletes-and-recreational-users-a-systematic-review-and-meta-analysis
#15
REVIEW
Maria A Christou, Panagiota A Christou, Georgios Markozannes, Agathocles Tsatsoulis, George Mastorakos, Stelios Tigas
BACKGROUND: Anabolic androgenic steroids (AAS) are testosterone derivatives used by athletes and recreational users to improve athletic performance and/or enhance appearance. Anabolic androgenic steroids use may have serious and potentially irreversible adverse effects on different organs and systems, including the reproductive system. OBJECTIVE: This systematic review and meta-analysis aimed to critically assess the impact of AAS use on the reproductive system of athletes and recreational users...
March 4, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28248545/flavonoid-enriched-extract-from-hippophae-rhamnoides-seed-reduces-high-fat-diet-induced-obesity-hypertriglyceridemia-and-hepatic-triglyceride-accumulation-in-c57bl-6-mice
#16
Xin Yang, Qian Wang, Zeng-Run Pang, Meng-Ran Pan, Wen Zhang
CONTEXT: Flavonoid-enriched extract from Hippophae rhamnoides L. (Elaeagnaceae) seed (FSH) has shown beneficial effects in anti-hypertension and lowering cholesterol level. However, evidence for its efficacy in treating obesity is limited. OBJECTIVE: We sought to determine if FSH can reduce body weight and regulate lipid metabolism disorder in high fat diet (HFD)-induced obese mouse model, and to investigate potential molecular targets involved. MATERIALS AND METHODS: C57BL/6 mice were fed with HFD for 8 weeks to induce obesity...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28247100/relationship-between-pre-icsi-meiotic-spindle-angle-ovarian-reserve-gonadotropin-stimulation-and-pregnancy-outcomes
#17
Alina M Mahfoudh, Jeong H Moon, Sara Henderson, Elena Garcia-Cerrudo, Weon-Young Son, Michael H Dahan
PURPOSE: The goals of this study are to analyze the clinical pregnancy rate as a function of the pre-intracytoplasmic sperm injection (ICSI) oocyte spindle angle and determine factors which can be associated with different spindle angles, if clinically relevant. METHODS: Fifty-eight patients, who underwent their first ICSI cycle from January to December 2013, were included. Eight hundred thirty oocytes were collected, and 648 were metaphase II (MII) on retrieval day...
February 28, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28246310/hyperandrogenemia-and-high-prolactin-in-congenital-utero-vaginal-aplasia-patients
#18
Patricia G Oppelt, Andreas Mueller, Liana Stephan, Ralf Dittrich, Johannes Lermann, Christian Büttner, Arif B Ekici, Gabi Conzelmann, Harald Seeger, Dorit Schöller, Katharina Rall, Matthias Wilhelm Beckmann, Pamela Lynn Strissel, Sara Brucker, Reiner Strick
Patients with the Mayer-Rokitansky-Küster-Hauser syndrome (MRKH) have a congenital utero-vaginal-cervical aplasia, but normal or hypoplastic adnexa and develop with normal female phenotype. Although reports mostly demonstrated regular steroid hormone levels in small MRKH cohorts, single MRKH patients with hyperandrogenemia and clinical presentation, like hirsutism and acne has also been shown. Genetically a correlation of WNT4 mutations with singular MRKH patients and hyperandrogenemia was noted. This present study analyzed the hormone status of 215 MRKH patients by determining the levels of luteinizing hormone (LH), follicle stimulating hormone (FSH), estradiol, 17-OH progesterone, testosterone, dehydroepiandrosterone sulfate (DHEAS), sex hormone-binding globulin (SHBG) and prolactin in order to determine the incidence of hyperandrogenemia and hyperprolactinemia in MRKH patients...
February 28, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28245464/the-hippo-signaling-pathway-regulates-ovarian-function-via-the-proliferation-of-ovarian-germline-stem-cells
#19
Haifeng Ye, Xiaoyan Li, Tuochen Zheng, Chuan Hu, Zezheng Pan, Jian Huang, Jia Li, Wei Li, Yuehui Zheng
OBJECTIVE: To improve the separation, identification and cultivation of ovarian germline stem cells (OGSCs), to clarify the relationship between the Hippo signaling pathway effector YAP1 and the proliferation and differentiation of OGSCs in vitro and to identify the major contribution of Hippo signaling to ovarian function. METHODS: Two-step enzymatic separation processes and magnetic separation were used to isolate and identify OGSCs by determining the expression of Mvh, Oct4, Nanog, Fragilis and Stella markers...
February 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28242307/molecular-identification-of-the-dyn-kor-system-and-its-potential-role-in-the-reproductive-axis-of-goldfish
#20
Yali Liu, Shuisheng Li, Qing Wang, Yu Chen, Xin Qi, Yun Liu, Xiaochun Liu, Haoran Lin, Yong Zhang
To ascertain the significance of the dynorphin/kappa-opioid receptor (Dyn/Kor) system in fish reproduction, prodynorphin (pdyn) cDNA was cloned from goldfish. Two Dyn peptides (DynA and DynB) are present in the goldfish prodynorphin precursor. Both DynA and DynB are biologically active as they are able to functionally interact with the goldfish Kor expressed in cultured eukaryotic cells to suppress forskolin-induced CRE promoter activity. RT-PCR analysis showed that pdyn is widely expressed in brain regions, with the highest expression in hypothalamus...
February 24, 2017: General and Comparative Endocrinology
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