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https://www.readbyqxmd.com/read/28547739/determination-of-spermatic-vein-reflux-after-varicocele-repair-helps-to-define-the-efficacy-of-treatment-in-improving-sperm-parameters-of-subfertile-men
#1
S D'Andrea, A Micillo, A Barbonetti, A V Giordano, S Carducci, A Mancini, S Necozione, F Francavilla, S Francavilla
PURPOSE: A continuous spermatic venous reflux (SVR) at colour Doppler ultrasound (CDU) is an evidence for varicocele, a frequent correlate for male subfertility. We explored whether SVR after left varicocele repair is predictive for changes in semen quality in subfertile men. METHODS: Blood hormones (FSH, LH, and total testosterone) and scrotal CDU were obtained in subfertile patients with left grade II or grade III varicocele on physical evaluation and a poor sperm quality...
May 25, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28547204/fsh-receptor-gene-p-thr307ala-and-p-asn680ser-polymorphisms-are-associated-with-the-risk-of-polycystic-ovary-syndrome
#2
Jin Ju Kim, Young Min Choi, Min A Hong, Soo Jin Chae, Kyuri Hwang, Sang Ho Yoon, Seung Yup Ku, Chang Suk Suh, Seok Hyun Kim
PURPOSE: The purpose of this study was to investigate whether the follicle-stimulating hormone receptor (FSHR) gene p. Thr307Ala (c.919A>G, rs6165) and p. Asn680Ser (c.2039A>G, rs6166) polymorphisms are associated with susceptibility to polycystic ovary syndrome (PCOS). METHODS: Genotyping was performed in 377 women with PCOS and 388 age-matched controls. Difference in the genotype distribution was assessed using a Fisher's exact or chi-square test, and continuous variables were compared using a Student's t test...
May 25, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28546821/evaluation-of-neutrophil-lymphocyte-ratio-platelet-lymphocyte-ratio-and-red-blood-cell-distribution-width-platelet-ratio-for-diagnosis-of-premature-ovarian-insufficiency
#3
Gulsah Ilhan, Fatma Ferda Verit Atmaca, Esra Altan, Ali Galip Zebitay, Hamdullah Sozen, Hurkan Akyol, Meryem Kurek Eken
Objective: To evaluate whether systemic inflammatory markers (neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR) and red blood cell distribution width (RDW) to platelet ratio (RPR)) can be used as reliable markers for the diagnosis of premature ovarian insufficiency (POI) and to determine if there is a relationship between these markers and follicle stimulating hormone (FSH), Anti-Müllerian Hormone (AMH) levels. Materials and methods: Written and electronic medical records were reviewed using searches for diagnoses with the terms of 'premature ovarian failure', 'premature ovarian insufficiency'...
December 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28538730/blocking-fsh-induces-thermogenic-adipose-tissue-and-reduces-body-fat
#4
Peng Liu, Yaoting Ji, Tony Yuen, Elizabeth Rendina-Ruedy, Victoria E DeMambro, Samarth Dhawan, Wahid Abu-Amer, Sudeh Izadmehr, Bin Zhou, Andrew C Shin, Rauf Latif, Priyanthan Thangeswaran, Animesh Gupta, Jianhua Li, Valeria Shnayder, Samuel T Robinson, Yue Eric Yu, Xingjian Zhang, Feiran Yang, Ping Lu, Yu Zhou, Ling-Ling Zhu, Douglas J Oberlin, Terry F Davies, Michaela R Reagan, Aaron Brown, T Rajendra Kumar, Solomon Epstein, Jameel Iqbal, Narayan G Avadhani, Maria I New, Henrik Molina, Jan B van Klinken, Edward X Guo, Christoph Buettner, Shozeb Haider, Zhuan Bian, Li Sun, Clifford J Rosen, Mone Zaidi
Menopause is associated with bone loss and enhanced visceral adiposity. A polyclonal antibody that targets the β-subunit of the pituitary hormone follicle-stimulating hormone (Fsh) increases bone mass in mice. Here, we report that this antibody sharply reduces adipose tissue in wild-type mice, phenocopying genetic haploinsufficiency for the Fsh receptor gene Fshr. The antibody also causes profound beiging, increases cellular mitochondrial density, activates brown adipose tissue and enhances thermogenesis. These actions result from the specific binding of the antibody to the β-subunit of Fsh to block its action...
May 24, 2017: Nature
https://www.readbyqxmd.com/read/28492802/gonadotrophic-prolactin-corticosterone-and-gonadal-hormones-levels-over-15-months-in-giant-amazon-river-turtles-podocnemis-expansa-schweigger-1812-testudines-podocnemididae-in-captive-conditions
#5
G E Freneau, V A Sá, C R Franci, D Vieira, B N Freneau
In order to achieve successful captive breeding the Podocnemis expansa, it is necessary to study their reproductive endocrinology. The purpose of this research was to evaluate and characterize plasma concentrations in gonadotrophic, gonadic, corticosterone and prolactin hormones from Giant Amazon Turtles under captive conditions. Blood samples were collected over a 15 month period. The samples were assayed by the use of radioimmunoassay, prolactin, corticosterone, LH, FSH, testosterone, 17β-estradiol and progesterone...
May 4, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28488761/apoptotic-sperm-biomarkers-and-the-correlation-between-conventional-sperm-parameters-and-clinical-characteristics
#6
R Hichri, H Amor, M Khammari, M Harzallah, S El Fekih, A Saad, M Ajina, H Ben Ali
The principal aim of this retrospective study was to examine the relationship between sperm apoptotic biomarkers and the patient's biclinical characteristics, the conventional sperm parameters and the results of assisted reproductive technology. Sperm analysis, activated caspases, annexin V staining for phosphatidylserine (PS) externalisation and labelling assay for DNA fragmentation were assessed in 122 males of infertile couples. Fifty-seven couples were allocated to the natural conception group, and 65 couples underwent IVF or ICSI...
May 10, 2017: Andrologia
https://www.readbyqxmd.com/read/28487028/insl3-and-amh-in-patients-with-previously-congenital-or-acquired-undescended-testes
#7
Jocelyn van Brakel, Sabine M P F de Muinck Keizer-Schrama, Frans W J Hazebroek, Gert R Dohle, Frank H de Jong
BACKGROUND: In previous reports no differences in Leydig and Sertoli cell function were found between congenital undescended testis (CUDT) and acquired UDT (AUDT) on the basis of serum levels of LH, testosterone, FSH or inhibin B. This study tried to detect differences in Leydig and Sertoli cell function between CUDT and AUDT using insulin-like peptide 3 (INSL3) and anti-Müllerian hormone (AMH). METHOD: 118 men with a history of UDT (CUDT N=55 (6/55 bilateral), AUDT N=63 (15/63 bilateral)) were investigated...
April 5, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28464076/impact-of-a-timed-release-follicle-stimulating-hormone-treatment-from-one-to-three-months-of-age-on-endocrine-and-testicular-development-of-prepubertal-bulls
#8
B R Harstine, L H Cruppe, F M Abreu, M D Utt, R S Cipriano, A Lemes, C Premanandan, J M DeJarnette, M L Day
In prepubertal bulls, FSH facilitates testis maturation and a transient proliferation of Sertoli cells. Two experiments examined the effects of exogenous FSH on hormone secretion and testis development in Angus bulls. Exogenous FSH treatment consisted of an intramuscular injection (i.m.) of 30 mg FSH (Folltropin-V) in a 2% hyaluronic acid solution (FSH-HA). In Exp. 1, bulls (50 ± 6.5 d of age) received either FSH-HA ( = 5) or saline (control; = 5) on d 50 and 53.5. Blood samples were collected via jugular venipuncture to assess FSH concentrations every 6 h for 24 h after treatment and every 12 h until 84 h...
April 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28460674/effect-of-extending-fsh-treatment-on-superovulation-and-embryo-production-in-wood-bison-bison-bison-athabascae
#9
J Manuel Palomino, Miriam P Cervantes, Reuben J Mapletoft, Murray R Woodbury, Gregg P Adams
The effect of extending the length of the FSH treatment protocol on superovulatory response and embryo production was investigated in wood bison during the anovulatory and ovulatory seasons. In Experiment 1 (anovulatory season), follicular wave emergence was synchronized by follicular ablation (Day -1) and bison were assigned randomly to two groups (n = 14/group) and given 200 mg FSH on Day 0 and Day 2 (non-extended group), or 133 mg FSH on Days 0, 2, and 4 (extended group). Human chorionic gonadotropin (hCG; 3000 IU) was given on Day 5 and Day 6 in the non-extended and extended groups, respectively, and bison were inseminated 12 and 24 h later...
June 2017: Theriogenology
https://www.readbyqxmd.com/read/28450423/comparative-pharmacology-of-a-new-recombinant-fsh-expressed-by-a-human-cell-line
#10
Wolfgang Koechling, Daniel Plaksin, Glenn Croston, Janni Vikkelsoe Jeppesen, Kirsten Tryde Macklon, Claus Yding Andersen
Recombinant FSH proteins are important therapeutic agents for the treatment of infertility, including follitropin alfa expressed in Chinese Hamster Ovary (CHO) cells and, more recently, follitropin delta expressed in the human cell line PER.C6. These recombinant FSH proteins have distinct glycosylation, and have distinct pharmacokinetic and pharmacodynamic profiles in women. Comparative experiments demonstrated that follitropin delta and follitropin alfa displayed the same in vitro potency at the human FSH receptor, but varied in their pharmacokinetics in mouse and rat...
April 27, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28440521/-effect-of-laparoscopic-sleeve-gastrectomy-on-sex-hormone-in-male-severe-obesity
#11
Cuiling Zhu, Yi Zhang, Xingchun Wang, Jingyang Gao, Liesheng Lu, Donglei Zhou, Shen Qu
OBJECTIVE: To investigate the effect of laparoscopic sleeve gastrectomy(LSG) on sex hormone in male patients with severe obesity. METHODS: Retrospective analysis was performed in 31 male patient with severe obese [body mass index(BMI) ≥28 kg/m(2), obesity group] who underwent LSG in Shanghai Tenth People's Hospital of Tongji University from December 2012 to May 2016. The anthropometric parameters(weight, BMI, waist circumference, hip circumference, waist-hip ratio, body fat percentage), glucose metabolic indices [fasting plasma glucose(FPG), fasting insulin (FINS), glycosylated hemoglobin (HbA1c), homeostasis model assessment-insulin resistance index(HOMA-IR)], and sex hormone parameters [estradiol(E2), total testosterone (TT), follicle-stimulating hormone (FSH) and luteinizing hormone (LH)] were collected preoperatively and 1, 3, 6 months postoperatively...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28419409/anti-m%C3%A3-llerian-hormone-exhibits-a-great-variation-in-infertile-women-with-different-ovarian-reserve-patterns
#12
Umit Gorkem, Ferit Kerim Kucukler, Cihan Togrul, Tayfun Gungor
BACKGROUND: Several conflicting studies with results on the biological variability of serum anti-Müllerian hormone (AMH) levels have been reported. Most of the studies have not focused on whether the level of AMH fluctuations shows variability by a baseline ovarian follicular reserve. AIM: To reveal whether intracyclic variation in AMH levels occurs among women with adequate, high and diminished ovarian reserve patterns. STUDY DESIGN: In this prospective cross-sectional study, 171 infertile women between the ages of 18 and 42 years were recruited...
April 17, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28413915/oxidative-stress-status-in-congenital-hypogonadism-an-appraisal
#13
C Haymana, A Aydoğdu, B Soykut, O Erdem, T Ibrahimov, M Dinc, C Meric, Y Basaran, A Sonmez, O Azal
Patients with hypogonadism are at increased risk of cardiac and metabolic diseases. However, the pathogenesis of increased cardiometabolic risk in patients with hypogonadism is not clear. Oxidative stress plays an important role in the pathogenesis of cardiometabolic diseases. This study aimed to investigate possible differences in oxidative stress conditions between patients with hypogonadism and healthy controls. In this study, 38 male patients with congenital hypogonadotropic hypogonadism (CHH) (mean age: 21...
May 2, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28412857/prevalence-of-diminished-ovarian-reserve-in-chinese-women-with-polycystic-ovary-syndrome-and-sensitive-diagnostic-parameters
#14
Jing Jin, Xiangyan Ruan, Lin Hua, Xuanxuan Tian, Yanglu Li, Lijuan Wang, Alfred O Mueck
OBJECTIVES: To assess the prevalence of diminished ovarian reserve (DOR) in patients with polycystic ovary syndrome (PCOS) in China, and to search for sensitive diagnostic parameters. METHODS: Three hundred and thirty eight PCOS women aged 20-39 years were recruited. Basic characteristics, follicle stimulating hormone (FSH), luteinizing hormone (LH), estradiol (E2), testosterone and anti-Müllerian hormone (AMH) were measured. The best indices to diagnose PCOS with DOR were assessed...
April 17, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28407862/lipid-profiles-of-follicular-fluid-from-cows-submitted-to-ovarian-superstimulation
#15
P H Santos, P K Fontes, F F Franchi, M F G Nogueira, K R A Belaz, A Tata, M N Eberlin, M J Sudano, C M Barros, A C S Castilho
Ovarian superstimulation with exogenous gonadotropins has been extensively used to produce in vivo-derived embryos for embryo transfer in cattle. This process modifies the antral follicle microenvironment and affects oocyte and embryo quality as well the differentiation of granulosa cells. Lipids play significant roles in the cell, such as energy storage, cell structure, and fine-tuning of the physical properties and functions of biological membranes. The phospholipid (PL) contents as well as the effects of superstimulatory treatments on the PL profile of follicular fluid from cows, however, remain unknown...
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28405122/evaluation-of-dehydroepiandrosterone-supplementation-on-diminished-ovarian-reserve-a-randomized-double-blinded-placebo-controlled-study
#16
Rachna Agarwal, R Shruthi, Gita Radhakrishnan, Alpana Singh
INTRODUCTION: We conducted a randomized, double-blinded, placebo-controlled study, to evaluate the effect of dehydroepiandrosterone (DHEA), on diminished ovarian reserve (DOR). MATERIALS AND METHODS: Twenty patients with DOR received DHEA (oral 25 mg three times a day). Post-supplementation 12 weeks, D2/3 age-specific follicle-stimulating hormone (FSH), anti-mullerian hormone (AMH) levels, and antral follicle count (AFC), were repeated to evaluate response. Spontaneous pregnancy rates and regularization of menstrual cycles were also studied as secondary outcome...
April 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28402417/grandmaternal-smoke-exposure-reduces-female-fertility-in-a-murine-model-with-great-grandmaternal-smoke-exposure-unlikely-to-have-an-effect
#17
N J Camlin, A G Jarnicki, R L Vanders, K A Walters, P M Hansbro, E A McLaughlin, J E Holt
STUDY QUESTION: What effect does multigenerational (F2) and transgenerational (F3) cigarette smoke exposure have on female fertility in mice? SUMMARY ANSWER: Cigarette smoking has a multigenerational effect on female fertility. WHAT IS KNOWN ALREADY: It has been well established that cigarette smoking decreases female fertility. Furthermore, a growing body of evidence suggests that smoking during pregnancy decreases the fertility of daughters and increases cancer and asthma incidence in grandchildren and great-grandchildren...
June 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28389370/prostaglandin-e2-stimulates-the-expression-of-cumulus-expansion-related-genes-in-pigs-the-role-of-protein-kinase-b
#18
Milan Blaha, Radek Prochazka, Katerina Adamkova, Jan Nevoral, Lucie Nemcova
The production of prostaglandin E2 (PGE2) seems to play an important role in the ovulation process. PGE2 was found to induce cumulus expansion and meiosis resumption in mice, but little is known about its role in pigs. The goals of this study were (a) to assess the effect of PGE2 on the expression levels of cumulus expansion-related genes, (b) to define the signaling pathways that drive the PGE2-stimulated expression of cumulus expansion-related genes, (c) to measure the effect of PGE2 on the activation of key signaling molecules (MAPK3/1, PKB) and on hyaluronan production in cumulus cells, and (d) to assess the effect of PGE2 on meiosis resumption...
April 5, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28389047/effects-of-ecg-and-progesterone-on-superovulation-and-embryo-production-in-wood-bison-bison-bison-athabascae
#19
J Manuel Palomino, Miriam P Cervantes, Murray R Woodbury, Reuben J Mapletoft, Gregg P Adams
Experiments were done to determine if inclusion of eCG and progesterone in the superstimulation protocol will increase the ovarian response and embryo production in wood bison, and to provide preliminary information regarding the effect of season. In Experiment 1 (anovulatory season), bison (n=26) were synchronized by follicular ablation (Day -1) and given FSH on Days 0 and 2, and assigned to 3 groups: Progesterone (Days 0-4), eCG (Day 3), or progesterone+eCG. On Day 5, bison were given hCG and inseminated 12 and 24h later...
March 29, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28370451/honey-improves-spermatogenesis-and-hormone-secretion-in-testicular-ischaemia-reperfusion-induced-injury-in-rats
#20
M Gholami, A Abbaszadeh, Z Khanipour Khayat, K Anbari, P Baharvand, A M Gharravi
This study was conducted to survey the protective effect of pre-treatment with Persian honey during post-ischaemia reperfusion on ischaemia-reperfusion (IR)-induced testis injury. Animals were divided into four groups of IR, honey + ischaemia- reperfusion (HIR), vitamin C + ischaemia- reperfusion (VIR) and carbohydrates + ischaemia- reperfusion (CIR). The testes were examined for spermatogenesis index. Detection of single- and double-stranded DNA breaks at the early stages of apoptosis was performed. Total serum concentration of FSH, LH and testosterone was measured using ELISA...
March 28, 2017: Andrologia
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