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https://www.readbyqxmd.com/read/29334275/laparoscopic-ovarian-drilling-versus-gnrh-antagonist-combined-with-cabergoline-as-a-prophylaxis-against-the-re-development-of-ovarian-hyperstimulation-syndrome
#1
Emaduldin Seyam, Enas Hefzy
OBJECTIVE: The aim of this work was to investigate the value of laparoscopic ovarian drilling (LOD) compared with GnRH antagonist flexible protocol combined with cabergoline (Cb), as a prophylaxis against the re-development of ovarian hyperstimulation syndrome (OHSS) in women with clomiphene citrate-resistant polycystic ovary disease (CCR-PCOD) who had severe OHSS before in a previous ICSI cycle. STUDY DESIGN: It is a prospective controlled study, where 250 CCR-PCOD women (n = 250) with a history of severe OHSS before, had been recruited for the study...
January 15, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29330003/effects-of-5-ht5a-receptor-blockade-on-amnesia-or-forgetting
#2
L Aparicio-Nava, L A Márquez-García, A Meneses
Previously the effects (0.01-3.0 mg/kg) of post-training SB-699551 (a 5-HT5A receptor antagonist) were reported in the associative learning task of autoshaping, showing that SB-699551 (0.1 mg/kg) decreased lever-press conditioned responses (CR) during short-term (STM; 1.5-h) or (3.0 mg/kg) long-term memory (LTM; 24-h); relative to the vehicle animals. Moreover, as pro-cognitive efficacy of SB-699551 was reported in the ketamine-model of schizophrenia. Hence, firstly aiming improving performance (conditioned response, CR), in this work autoshaping lever-press vs...
January 9, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29316564/primary-prevention-of-stroke-in-chronic-kidney-disease-patients-a-scientific-update
#3
Stefana Catalina Bilha, Alexandru Burlacu, Dimitrie Siriopol, Luminita Voroneanu, Adrian Covic
BACKGROUND: Although chronic kidney disease (CKD) is an independent risk factor for stroke, official recommendations for the primary prevention of stroke in CKD are generally lacking. SUMMARY: We searched PubMed and ISI Web of Science for randomised controlled trials, observational studies, reviews, meta-analyses and guidelines referring to measures of stroke prevention or to the treatment of stroke-associated risk factors (cardiovascular disease in general and atrial fibrillation (AF), arterial hypertension or carotid artery disease in particular) among the CKD population...
January 9, 2018: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29306180/predictive-value-of-antral-follicle-count-and-serum-anti-m%C3%A3-llerian-hormone-which-is-better-for-live-birth-prediction-in-patients-aged-over-40-with-their-first-ivf-treatment
#4
Yubin Lee, Tae Hyung Kim, Jae Kyun Park, Jin Hee Eum, Hee Jun Lee, Jayeon Kim, Sang Woo Lyu, You Shin Kim, Woo Sik Lee, Tae Ki Yoon
OBJECTIVE: To evaluate clinical utility of antral follicle count (AFC) and anti-Müllerian hormone (AMH) in predicting in vitro fertilization (IVF) outcomes among the patients over 40 years old in their first IVF cycles. STUDY DESIGN: Total 219 patients aged 40 or older who underwent their first IVF with gonadotropin-releasing hormone antagonist protocol from January 2013 to September 2014 in CHA Gangnam fertility center were retrospectively analyzed. AFC and serum samples were measured prior to IVF treatment...
December 29, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29303236/andro-ivf-a-novel-protocol-for-poor-responders-to-ivf-controlled-ovarian-stimulation
#5
Ludmila Bercaire, Sara Mb Nogueira, Priscila Cm Lima, Vanessa R Alves, Nilka Donadio, Artur Dzik, Mario Cavagna, Renato Fanchin
OBJECTIVE: This study aimed to assess a novel protocol designed to improve poor ovarian response through intra-ovarian androgenization. The endpoints were: number of oocytes and mature oocytes retrieved, fertilization, cancellation and pregnancy rates. METHODS: This prospective crossover study enrolled poor responders from previous ovarian stimulation cycles submitted to a novel protocol called ANDRO-IVF. The protocol included pretreatment with transdermal AndroGel(r) (Besins) 25 mg, oral letrozole 2...
January 5, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29297362/ethical-challenges-posed-by-clinical-trials-in-preterm-labor-a-case-study
#6
Sofía P Salas
This paper explores the ethical implications of a randomized double-blind clinical trial aimed to determine effectiveness and safety of an oxytocin receptor antagonist versus a betamimetic in the treatment of preterm labor, presented to a teaching hospital affiliated with a private university in Santiago, Chile. Though this trial protocol fulfills one of the conditions under which pregnant women could be enrolled in a clinical trial-the intervention has the potential to benefit the pregnant woman (by reducing adverse effects associated to salbutamol administration) and her fetus (if the new drug prolongs pregnancy)-there are some specific ethical issues raised...
December 14, 2017: Reproductive Health
https://www.readbyqxmd.com/read/29290621/a-gut-brain-axis-regulating-glucose-metabolism-mediated-by-bile-acids-and-competitive-fibroblast-growth-factor-actions-at-the-hypothalamus
#7
Shunmei Liu, Genevieve Marcelin, Clemence Blouet, Jae Hoon Jeong, Young-Hwan Jo, Gary J Schwartz, Streamson Chua
OBJECTIVE: Bile acids have been implicated as important regulators of glucose metabolism via activation of FXR and GPBAR1. We have previously shown that FGF19 can modulate glucose handling by suppressing the activity of hypothalamic AGRP/NPY neurons. As bile acids stimulate the release of FGF19/FGF15 into the circulation, we pursued the potential of bile acids to improve glucose tolerance via a gut-brain axis involving FXR and FGF15/FGF19 within enterocytes and FGF receptors on hypothalamic AGRP/NPY neurons...
December 9, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29281090/novel-reagents-for-human-prolactin-research-large-scale-preparation-and-characterization-of-prolactin-receptor-extracellular-domain-non-pegylated-and-pegylated-prolactin-and-prolactin-receptor-antagonist
#8
Ewa Oclon, Gili Solomon, Zvi Hayouka, Tomer Meir Salame, Vincent Goffin, Arieh Gertler
To provide new tools for in vitro and in vivo prolactin (PRL) research, novel protocols for large-scale preparation of untagged human PRL (hPRL), a hPRL antagonist (del 1-9-G129R hPRL) that acts as a pure antagonist of hPRL in binding to hPRL receptor extracellular domain (hPRLR-ECD), and hPRLR-ECD are demonstrated. The interaction of del 1-9-G129R hPRL with hPRLR-ECD was demonstrated by competitive non-radioactive binding assay using biotinylated hPRL as the ligand and hPRLR-ECD as the receptor, by formation of stable 1:1 complexes with hPRLR-ECD under non-denaturing conditions using size-exclusion chromatography, and by surface plasmon resonance methodology...
December 21, 2017: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/29280508/does-freeze-all-policy-affect-ivf-outcomes-in-poor-responders
#9
Matheus Roque, Marcello Valle, Marcos Sampaio, Selmo Geber
OBJECTIVES: To evaluate whether the freeze-all strategy affects in vitro fertilization (IVF) outcomes in poor ovarian responders following the Bologna criteria. METHODS: We performed a retrospective cohort study conducted between January 2012 and December 2016. A total of 433 poor responders (per the Bologna criteria) fulfilled the inclusion/exclusion criteria and were included in the study, with 277 patients included in the fresh group and 156 in the freeze-all group...
December 27, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29274844/repurposing-the-clinically-approved-calcium-antagonist-manidipine-dihydrochloride-as-a-new-early-inhibitor-of-human-cytomegalovirus-targeting-the-immediate-early-2-ie2-protein
#10
Beatrice Mercorelli, Anna Luganini, Marta Celegato, Giorgio Palù, Giorgio Gribaudo, Arianna Loregian
Currently, there are no therapeutic alternatives to DNA polymerase inhibitors to treat human cytomegalovirus (HCMV) infections, a major threat for immunocompromised patients and pregnant women. Here, we explored the potential to repurpose manidipine dihydrochloride (MND), a calcium antagonist clinically approved to treat hypertension, as a new anti-HCMV agent. MND emerged in a previous drug repurposing screen to find early inhibitors of HCMV replication, and now we confirm that it inhibits in the low micromolar range the replication of different HCMV strains, including clinical isolates and viruses resistant to approved DNA polymerase inhibitors...
December 21, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29258385/a-comparison-of-treatment-results-of-the-different-treatment-protocols-in-patients-with-poor-ovarian-response
#11
Ilhan Sanverdi, Huseyin Tayfun Kutlu, Bulent Emre Bilgic, Adnan Incebiyik
To compare the effect of the different protocols in patients receiving in vitro fertilization treatment due to poor ovarian response. Seventy-seven of the patients included in the study were treated with gonadotropin (450 IU) + GnRH antagonist (group 1), 84 of the patients were treated with gonadotropin (450 IU) + microdose GnRH analog (group 2), and 53 of the patients were treated with clomiphene citrate (100 mg/day) + gonadotropin (300 IU) + GnRH antagonist (Group 3). In assessing total gonadotropin dosage, patients in Group 3 detected significantly less gonadotropin as compared to the other two groups (p < ...
December 19, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29243795/the-effect-on-clinical-results-of-adding-recombinant-lh-in-late-phase-of-ovarian-stimulation-of-patients-with-repeated-implantation-failure-a-pilot-study
#12
A Rahman, D Francomano, F Sagnella, F Lisi, C Manna
OBJECTIVE: To evaluate the efficacy of recombinant LH (r-LH) addition in the late phase of ovarian stimulation in patients with repeated implantation failure (RIF). PATIENTS AND METHODS: 66 infertile couples undergoing ICSI treatment due to male factor were allocated to group A (33) and to group B (33). Group A (29 subjects) received recombinant FSH (r-FSH) supplemented by r-LH in the late follicular phase starting the same day of GnRH-antagonist (GnRH-ant) administration, and group B (32 subjects) received r-FSH alone...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29237680/personalized-anticoagulation-optimizing-warfarin-management-using-genetics-and-simulated-clinical-trials
#13
Kourosh Ravvaz, John A Weissert, Christian T Ruff, Chih-Lin Chi, Peter J Tonellato
BACKGROUND: Clinical trials testing pharmacogenomic-guided warfarin dosing for patients with atrial fibrillation have demonstrated conflicting results. Non-vitamin K antagonist oral anticoagulants are expensive and contraindicated for several conditions. A strategy optimizing anticoagulant selection remains an unmet clinical need. METHODS AND RESULTS: Characteristics from 14 206 patients with atrial fibrillation were integrated into a validated warfarin clinical trial simulation framework using iterative Bayesian network modeling and a pharmacokinetic-pharmacodynamic model...
December 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/29211968/men-and-women-differ-in-the-biochemical-composition-of-platelet-rich-plasma
#14
Grace Xiong, Nithya Lingampalli, Jayme C B Koltsov, Lawrence L Leung, Nidhi Bhutani, William H Robinson, Constance R Chu
BACKGROUND: Autologous platelet-rich plasma (PRP) is widely used for a variety of clinical applications. However, clinical outcome studies have not consistently shown positive effects. The composition of PRP differs based on many factors. An improved understanding of factors influencing the composition of PRP is important for the optimization of PRP use. HYPOTHESIS: Age and sex influence the PRP composition in healthy patients. STUDY DESIGN: Controlled laboratory study...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29208847/effect-of-etanercept-on-the-success-of-assisted-reproductive-technology-in-patients-with-endometrioma
#15
Göğşen Önalan, Yusuf Aytaç Tohma, Hulusi Bülent Zeyneloğlu
AIMS: To determine the effects of a tumor necrosis factor inhibitor (etanercept) on pregnancy outcomes in patients with endometrioma who were treated with assisted reproductive technology. METHODS: Sixty-eight infertile patients who had endometrioma were included in our retrospective case-control study. We administered etanercept (Enbrel, 50 mg in 1 mL intramuscularly) to 19 patients on the second day of their previous menstrual cycle. All patients were treated with assisted reproductive technology...
November 24, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29204869/estrogen-treatment-in-infertile-women-with-premature-ovarian-insufficiency-in-transitional-phase-a-retrospective-analysis
#16
Sara Pinelli, Paolo Giovanni Artini, Stefano Basile, Maria Elena Rosa Obino, Claudia Sergiampietri, Diana Giannarelli, Giovanna Simi, Vito Cela
PURPOSE: During the transitional phase of premature ovarian insufficiency (POI), sporadic resumption of ovulation is possible because of fluctuation of hormonal levels but the chance of spontaneous pregnancy is low, and the main perspective of childbearing in these women is egg donation or adoption. The purpose of the study was to verify whether treatment with estrogens in POI patients in transitional phase could reduce FSH levels and to evaluate if this pre-treatment could improve reproductive outcomes of in vitro fertilization (IVF)...
December 5, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29203384/do-endometriomas-grow-during-ovarian-stimulation-for-assisted-reproduction-a-three-dimensional-volume-analysis-before-and-after-ovarian-stimulation
#17
Ayse Seyhan, Bulent Urman, Engin Turkgeldi, Baris Ata
Whether endometriomas grow because of supraphysiological oestradiol levels attained during ovarian stimulation for assisted reproduction techniques is a concern. In this prospective study, 25 women with 28 endometriomas underwent three-dimensional ultrasound using sono-automated volume calculation software. Endometrioma volume was measured on the first day of gonadotrophin injection (V1) and the day of ovulation trigger (V2). Nine (36%) women were stimulated in a gonadotrophin releasing hormone antagonist protocol (GnRH), 13 (52%) in a long, and three (12%) in an ultra-long GnRH agonist protocol...
November 17, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29197413/timing-of-oral-anticoagulant-therapy-in-acute-ischemic-stroke-with-atrial-fibrillation-study-protocol-for-a-registry-based-randomised-controlled-trial
#18
Signild Åsberg, Ziad Hijazi, Bo Norrving, Andreas Terént, Patrik Öhagen, Jonas Oldgren
BACKGROUND: Oral anticoagulation therapy is recommended for the prevention of recurrent ischemic stroke in patients with atrial fibrillation (AF). Current guidelines do not provide evidence-based recommendations on optimal time-point to start anticoagulation therapy after an acute ischemic stroke. Non-vitamin K antagonist oral anticoagulants (NOACs) may offer advantages compared to warfarin because of faster and more predictable onset of action and potentially a lower risk of intracerebral haemorrhage also in the acute phase after an ischemic stroke...
December 2, 2017: Trials
https://www.readbyqxmd.com/read/29196668/adrenergic-receptor-agonists-induce-the-differentiation-of-pluripotent-stem-cell-derived-hepatoblasts-into-hepatocyte-like-cells
#19
Maki Kotaka, Taro Toyoda, Katsutaro Yasuda, Yuko Kitano, Chihiro Okada, Akira Ohta, Akira Watanabe, Motonari Uesugi, Kenji Osafune
Current induction methods of hepatocytes from human induced pluripotent stem cells (hiPSCs) are neither low cost nor stable. By screening a chemical library of 1,120 bioactive compounds and known drugs, we identified the α1-adrenergic receptor agonist methoxamine hydrochloride as a small molecule that promotes the differentiation of hiPSC-derived hepatoblasts into ALBUMIN+ hepatocyte-like cells. Other α1-adrenergic receptor agonists also induced the differentiation of hepatocyte-like cells, and an α1-receptor antagonist blocked the hepatic-inducing activity of methoxamine hydrochloride and that of the combination of hepatocyte growth factor (HGF) and Oncostatin M (OsM), two growth factors often used for the induction of hepatoblasts into hepatocyte-like cells...
December 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29188557/characterization-of-ligand-binding-to-gpcrs-through-computational-methods
#20
Silvana Vasile, Mauricio Esguerra, Willem Jespers, Ana Oliveira, Jessica Sallander, Johan Åqvist, Hugo Gutiérrez-de-Terán
The recent increase in available G protein-coupled receptor structures now contributes decisively to the structure-based ligand design. In this context, computational approaches in combination with medicinal chemistry and pharmacology are extremely helpful. Here, we provide an update on our structure-based computational protocols, used to answer key questions related to GPCR-ligand binding. All combined, these techniques can shed light on ligand binding modes, determine the molecular basis of conformational selection, for agonists and antagonists, as well as of subtype selectivity...
2018: Methods in Molecular Biology
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