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https://www.readbyqxmd.com/read/29907662/expression-of-atresia-biomarkers-in-granulosa-cells-after-ovarian-stimulation-in-heifers
#1
David A Landry, Lia Rossi-Perazza, Simon Lafontaine, Marc-Andre Sirard
The use of younger gamete donors in dairy cattle genetic selection programs significantly accelerates genetic gains by decreasing the interval between generations. Ovarian stimulation and the practice of follicle-stimulating hormone (FSH) withdrawal, also known as coasting, are intensively used in pre-pubertal heifers without detrimental effects on subsequent reproductive performance but generally with lower embryo yields. However, recent data from embryo transfer programs showed similar embryo yields in younger and sexually mature animals but with a significant difference in the coasting period...
June 15, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29906662/hormonal-stimulation-in-4-to-7-months-old-nelore-bos-taurus-indicus-females-improved-ovarian-follicular-responses-but-not-the-in-vitro-embryo-production
#2
Thaís Abritta Zacarias, Taynan Stonoga Kawamoto, João Ricardo Scaliante Júnior, Ana Luiza Silva Guimarães, Maurício Machaim Franco, Ricardo Alamino Figueiredo
The inclusion of pre-pubertal bovine females in reproductive management could allow in vitro embryo production and reduce generation interval, thereby causing faster genetic gain of the herd. However, oocytes of pre-pubertal females have lower competence, blastocyst production, and pregnancy rates than those collected from pubertal animals. This study aimed to evaluate the effect of an induced hormonal stimulation on the serum concentrations of Anti-Mullerian hormone (AMH) and FSH, ovarian responses, ovum pick up (OPU), and in vitro produced embryos (IVP) from oocytes obtained from four-to seven-months old Nelore female cattle...
May 31, 2018: Theriogenology
https://www.readbyqxmd.com/read/29893313/comparing-surgical-outcome-and-ovarian-reserve-after-laparoscopic-hysterectomy-between-two-methods-of-with-and-without-prophylactic-bilateral-salpingectomy-a-randomized-controlled-trial
#3
Zahra Asgari, Afsaneh Tehranian, Safoura Rouholamin, Reihaneh Hosseini, Mahdi Sepidarkish, Mahroo Rezainejad
Background: This study aimed to compare the surgical outcome and ovarian reserve in premenopausal women undergoing laparoscopic hysterectomy (without oophorectomy) for benign cause between two methods of with and without prophylactic bilateral salpingectomy. Materials and Methods: In a prospective randomized clinical trial, 62 premenopausal women with benign indication underwent a laparoscopic hysterectomy. Patients were then randomized to undergo hysterectomy with bilateral salpingectomy (Group 1; n = 15) or without bilateral salpingectomy (Group 2; n = 15)...
April 2018: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29892563/prevalence-of-hypovitaminosis-d-and-its-association-with-hypoadiponectinemia-and-hyperfollistatinemia-in-saudi-women-with-na%C3%A3-ve-polycystic-ovary-syndrome
#4
Osama Adnan Kensara
Aims: The association between vitamin D and polycystic ovary syndrome (PCOS) is an active area of growing research. However, data in Saudi Arabia are scarce. This study aimed to define serum 25-hydroxyvitamin D (25(OH)D) levels among Saudi women with naïve PCOS, and to investigate the associations of their 25(OH)D status with their serum adiponectin and follistatin levels, along with indices of insulin resistance and hormonal deteriorations. Methods: In this case-control observational study, 63 women with PCOS and 65 age-and body mass index (BMI)-matched control women were assessed...
June 2018: Journal of Clinical & Translational Endocrinology
https://www.readbyqxmd.com/read/29888581/-acupuncture-treatment-of-polycystic-ovarian-syndrome-patients-with-abdominal-obesity-by-regulating-dai-meridian-a-randomized-controlled-clinical-trial
#5
Ling-Yu Shen, Cui-Mei Liang, Wen-Jin Yang, Liang Pan, Hua Li, Hui Hu
OBJECTIVE: To explore the therapeutic effect of acupuncture in the treatment of polycystic ovarian syndrome (PCOS) patients with abdominal obesity by regulating glucose metabolism, insulin resistance, sex hormones, etc. METHODS: Eligible PCOS volunteers were randomly divided into treatment group( n =30) and control group( n =28). The treatment group received acupuncture therapy three times a week combined with diet control and exercise. EA (2 Hz/100 Hz, 4-8 mA) was applied to bilateral Daimai (GB 26)and Tianshu (ST 25) for 20 min/time, and bilateral Daheng (SP 15), Shenshu (BL 23), Ciliao (BL 32), Guilai (ST 29), Zulinqi (GB 41) and Waiguan (SJ 5) were stimulated with filiform needles, with the needles retained for 20 min...
April 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29876944/a-clinical-and-proteomics-approach-to-predict-the-presence-of-obstructive-peripheral-arterial-disease-from-the-catheter-sampled-blood-archive-in-cardiovascular-diseases-casablanca-study
#6
Cian P McCarthy, Nasrien E Ibrahim, Roland R J van Kimmenade, Hanna K Gaggin, Mandy L Simon, Parul Gandhi, Noreen Kelly, Shweta R Motiwala, Renata Mukai, Craig A Magaret, Grady Barnes, Rhonda F Rhyne, Joseph M Garasic, James L Januzzi
BACKGROUND: Peripheral arterial disease (PAD) is a global health problem that is frequently underdiagnosed and undertreated. Non-invasive tools to predict the presence and severity of PAD have limitations including inaccuracy, cost, or need for intravenous contrast and ionizing radiation. HYPOTHESIS: A clinical/biomarker score may offer an attractive alternative diagnostic method. METHODS: In a prospective cohort of 354 patients referred for diagnostic peripheral and/or coronary angiography, predictors of ≥50% stenosis in at least one peripheral vessel (carotid/subclavian, renal, or lower extremity) were identified from over fifty clinical variables and 109 biomarkers...
June 6, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29849931/early-pubertal-timing-is-associated-with-lower-sperm-concentration-in-college-students
#7
Xiaogang Wang, Peng Zou, Min Mo, Huan Yang, Qing Chen, Niya Zhou, Lei Sun, Hongqiang Chen, Lin Ao, Zhihong Cui, Jia Cao
To study the associations between pubertal timing and semen quality and reproductive hormones, 680 volunteers were recruited from universities in Chongqing, China. Pubertal timing was obtained using a questionnaire. The main measurements were five routine semen parameters and six reproductive hormones. After adjusting for potential confounders, we found that early pubertal timing was associated with lower sperm concentration. An one-year increase in age of peak height velocity was associated with a 4.7% (95% confidence interval [CI] = 1...
May 11, 2018: Oncotarget
https://www.readbyqxmd.com/read/29843716/the-vegf-and-pedf-levels-in-the-follicular-fluid-of-patients-co-treated-with-letrozole-and-gonadotropins-during-the-stimulation-cycle
#8
Jigal Haas, Rawad Bassil, Noa Gonen, Jim Meriano, Andrea Jurisicova, Robert F Casper
BACKGROUND: Previous studies have shown that androgens, in addition to serving as precursors for ovarian estrogen synthesis, also have a fundamental role in primate ovarian follicular development by augmentation of FSH receptor expression on granulosa cells. Recent studies have shown that aromatase inhibitor, letrozole, improves ovarian response to FSH in normal and poor responder patients, possibly by increasing intraovarian androgen levels. Studies in mice also showed an effect of letrozole to increase pigment epithelium-derived factor (PEDF) and to lower vascular epithelial growth factor (VEGF), which might be expected to reduce the risk of ovarian hyperstimulation syndrome (OHSS) with stimulation...
May 29, 2018: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29803958/disrupted-topology-of-the-resting-state-structural-connectome-in-middle-aged-apoe-%C3%AE%C2%B54-carriers
#9
L E Korthauer, L Zhan, O Ajilore, A Leow, I Driscoll
The apolipoprotein E (APOE) ε4 allele is the best characterized genetic risk factor for Alzheimer's disease to date. Older APOE ε4 carriers (aged 60 + years) are known to have disrupted structural and functional connectivity, but less is known about APOE-associated network integrity in middle age. The goal of this study was to characterize APOE-related differences in network topology in middle age, as disentangling the early effects of healthy versus pathological aging may aid early detection of Alzheimer's disease and inform treatments...
May 24, 2018: NeuroImage
https://www.readbyqxmd.com/read/29797909/-acupuncture-at-back-shu-points-of-five-zang-geshu-bl-17-and-shenmen-ht-7-for-the-treatment-of-menopausal-insomnia
#10
Oujing Li, Fan Wang
OBJECTIVE: To compare the clinical efficacy differences between acupuncture at back- shu points of five zang , Geshu (BL 17), Shenmen (HT 7) and regular medication for the treatment of menopausal insomnia. METHODS: A total of 128 female patients of menopausal insomnia were randomly divided into an observation group and a control group, 64 cases in each one. Four patients in the observation group and 2 patients in the control group dropped out during the treatment...
May 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29796253/interferon-%C3%AE-acts-as-a-regulator-in-the-trade-off-between-phagocytosis-and-production-performance-in-dwarf-chickens
#11
REVIEW
Yitong Yuan, Shunqi Liu, Yue Zhao, Ling Lian, Zhengxing Lian
Background: Interferon-γ (IFN-γ) is critical for innate and adaptive immunity against viral and bacterial infections. IFN-γ reportedly affects the phagocytic ability of monocytes and macrophages as well as regulates pituitary function in humans and mice. The present study analyzed the impact of IFN-γ on monocyte and macrophage phagocytosis, production performance, and pituitary function in vivo and in vitro (in dwarf chickens). IFN-γ was injected into dwarf chickens through a vein, and then, the laying rate, average egg weight, and levels of follicle-stimulating hormone (FSH) and IFN-γ were measured in treatment and control groups...
2018: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29794946/semen-quality-in-chinese-college-students-associations-with-depression-and-physical-activity-in-a-cross-sectional-study
#12
Peng Zou, Xiaogang Wang, Lei Sun, Qing Chen, Huan Yang, Niya Zhou, Hongqiang Chen, Guowei Zhang, Xi Ling, Zhi Wang, Jianfang Gao, Min Mo, Linping Huang, Kaige Peng, Sheng Chen, Zhihong Cui, Jinyi Liu, Lin Ao, Jia Cao
OBJECTIVES: Behavioral and psychosocial factors have been associated with a decline of the quality of semen. However, the relationship of depression and physical activity (PA) with semen quality remain unclear. METHODS: Data were obtained from 587 young male Chinese college students in June 2013. Participants completed a questionnaire assessing lifestyle factors, the Zung self-rate depression scale (SDS) and three items related to PA. They underwent a physical examination, and provided a semen sample and a blood sample for reproductive hormones (testosterone, estrogen, progesterone, follicle-stimulating hormone, luteinizing hormone and prolactin)...
May 24, 2018: Psychosomatic Medicine
https://www.readbyqxmd.com/read/29787482/physical-performance-in-relation-to-menopause-status-and-physical-activity
#13
Dmitriy Bondarev, Eija K Laakkonen, Taija Finni, Katja Kokko, Urho M Kujala, Pauliina Aukee, Vuokko Kovanen, Sarianna Sipilä
OBJECTIVE: The aim of this study was to examine differences in physical performance (muscle power, muscle strength, aerobic capacity, and walking speed) across menopausal stages and potential of leisure physical activity (PA) to modify the impact of menopause on physical performance. METHODS: In this cross-sectional study, women aged 47 to 55 were randomly selected from the Finnish National Registry and categorized as premenopausal (n = 233), perimenopausal (n = 381), or postmenopausal (n = 299) based on serum concentrations of follicle-stimulating hormone and bleeding diary...
May 21, 2018: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/29784463/anti-m%C3%A3-llerian-hormone-profiling-in-prepubertal-horses-and-its-relationship-with-gonadal-function
#14
Dragos Scarlet, Manuela Wulf, Juliane Kuhl, Martin Köhne, Natascha Ille, Alan J Conley, Christine Aurich
Anti-Müllerian hormone (AMH) has gained increasing interest as a biomarker for assessment of gonadal activity. The ability to predict the ovarian follicular reserve of prepubertal female horses (fillies) or to identify stallions with testicular pathologies already during their prepubertal life has not been analyzed so far. Both would help to select fertile horses and reduce costs associated with keeping animals. The objectives of the present study were to (1) assess AMH, LH, FSH, progesterone (females) and testosterone (males) dynamics in prepubertal horses from birth onwards and (2) determine whether AMH concentrations detected in plasma of prepubertal female and male horses are correlated with postpubertal gonadal development...
May 15, 2018: Theriogenology
https://www.readbyqxmd.com/read/29783074/fsh-receptor-binding-inhibitor-restrains-follicular-development-and-possibly-attenuates-carcinogenesis-of-ovarian-cancer-through-down-regulating-expression-levels-of-fshr-and-er%C3%AE-in-normal-ovarian-tissues
#15
Gong Zhuandi, Che Tuanjie, Lai Luju, Ayimuguli Abdiryim, Deng Yingying, Liang Haoqin, Wei Suocheng, Ding Li
OBJECTIVES: The current study aimed to investigate FSH receptor binding inhibitor (FRBI) effects in the expressions of FSH receptor (FSHR) and estrogen receptor-beta (ERβ) in the mice ovaries at the gene and protein levels, also to find the potential efficacy of FRBI on suppressing ovarian cancer through down-regulating over-expression of FSHR and ERβ in the normal ovarian tissues. METHODS: 180 female mice were randomized into six groups (n = 30). Mice of FRBI-1, FRBI-2 and FRBI-3, FRBI-4 were intramuscularly injected with FRBI of 10, 20, 30 and 40 mg/kg, respectively, for five consecutive days...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29778922/interval-of-gonadotropin-administration-for-in-vitro-embryo-production-from-oocytes-collected-from-holstein-calves-between-2-and-6-months-of-age-by-repeated-laparoscopy
#16
Hernan Baldassarre, Luke Currin, Laura Michalovic, Anne-Marie Bellefleur, Karina Gutierrez, Rafael G Mondadori, Werner G Glanzner, Yasmin Schuermann, Rodrigo C Bohrer, Naomi Dicks, Rosalba Lopez, François-Xavier Grand, Christian Vigneault, Patrick Blondin, Jim Gourdon, Vilceu Bordignon
Laparoscopic Ovum Pick-Up (LOPU) in calves followed by in vitro embryo production (IVEP) and transfer (ET) into adult recipients has great potential for accelerated genetic gain through shortening of the generation interval. In this study, 11 Holstein calves were subjected to up to six LOPU procedures between the ages of 2-6 months at 2-3 weeks interval. In all cases, the animals received a CIDR 5 days prior to LOPU and were gonadotropin-stimulated starting at 72 h before LOPU using one of three protocols that were rotated twice among the animals during the study...
May 17, 2018: Theriogenology
https://www.readbyqxmd.com/read/29774275/comparative-economic-study-of-the-use-of-corifollitropin-alfa-and-daily-rfsh-for-controlled-ovarian-stimulation-in-older-patients-cost-minimization-analysis-based-on-the-pursue-study
#17
Gorka Barrenetxea, Juan Antonio García-Velasco, Belén Aragón, Jordi Osset, Max Brosa, Noemí López-Martínez, Buenaventura Coroleu
This study presents an economic assessment of controlled ovarian stimulation in assisted reproductive technology procedures in Spain, comparing the use of corifollitropin alfa and various forms of recombinant follicle-stimulating hormone (rFSH) in women of advanced maternal age. A cost-minimization analysis (CMA) was performed to assess the cost per cycle of controlled controlled ovarian stimulation, including only direct costs associated with the stimulation phase. The CMA was based on the population characteristics, the protocol, and the results obtained from the PURSUE study, taking into account 9 days of controlled controlled ovarian stimulation and 300 IU rFSH/day...
April 2018: Reproductive Biomedicine & Society Online
https://www.readbyqxmd.com/read/29770362/study-of-anti-m%C3%A3-llerian-hormone-levels-in-patients-with-myotonic-dystrophy-type-1-preliminary-results
#18
Manuela Ergoli, Massimo Venditti, Raffaele Dotolo, Esther Picillo, Sergio Minucci, Luisa Politano
Myotonic dystrophy type 1 is a multisystemic disorder characterized by myotonia, muscle weakness and involvement of several organs and apparatus such as heart, lungs, eye, brain and endocrine system. Hypogonadism and reproductive abnormalities are frequently reported. A progressive testicular atrophy occurs in about 80% in the affected males leading to Leydig cell hyperproliferation and elevated basal follicle stimulating hormone (FSH) levels. Anti-Müllerian hormone (AMH) - a dimeric glycoprotein belonging to the super-family of transforming grow factor beta (TGF-beta) - is the earliest Sertoli cell hormone secreted in males and, together with inhibin B and FSH, is an important indicator of Sertoli cell function...
December 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29765438/decline-in-ovarian-reserve-may-be-an-undiagnosed-reason-for-unexplained-infertility-a-cohort-study
#19
Burak Yücel, Sefa Kelekci, Emine Demirel
Introduction: Unexplained infertility refers to the absence of a definable cause for a couple's failure to achieve pregnancy. Reproductive aging plays a role in pathogenesis of unexplained infertility. We investigated the results of ovarian reserve tests in unexplained infertility. Material and methods: The patients were divided into two groups: unexplained infertility ( n = 148) and male factor infertility ( n = 112). Follicle-stimulating hormone, estradiol, inhibin b levels and anti-Müllerian hormone levels were evaluated...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29765437/evaluation-of-ovarian-reserve-in-women-with-overt-or-subclinical-hypothyroidism
#20
Ferit Kerim Kucukler, Umit Gorkem, Yasin Simsek, Ramazan Kocabas, Serdar Guler
Introduction: Thyroid dysfunction is among the most common autoimmune disorders in women of reproductive age. Previous studies have shown the association between autoimmune thyroid disease (AITD) and infertility. Anti-Müllerian hormone (AMH) is secreted by granulosa cells and is a useful marker for assessment of ovarian reserve. In the present study, we sought to evaluate the ovarian reserves of women with autoimmune thyroid disorder by measurement of AMH values. Material and methods: This prospective study included women with newly diagnosed AITD aged between 20 and 40 years...
April 2018: Archives of Medical Science: AMS
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