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https://www.readbyqxmd.com/read/29025019/differing-molecular-response-of-young-and-advanced-maternal-age-human-oocytes-to-ivm
#1
J M Reyes, E Silva, J L Chitwood, W B Schoolcraft, R L Krisher, P J Ross
STUDY QUESTION: What effect does maternal age have on the human oocyte's molecular response to in vitro oocyte maturation? SUMMARY ANSWER: Although polyadenylated transcript abundance is similar between young and advanced maternal age (AMA) germinal vesicle (GV) oocytes, metaphase II (MII) oocytes exhibit a divergent transcriptome resulting from a differential response to in vitro oocyte maturation. WHAT IS KNOWN ALREADY: Microarray studies considering maternal age or maturation stage have shown that either of these factors will affect oocyte polyadenylated transcript abundance in human oocytes...
September 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29023359/menstrual-disruption-with-exercise-is-not-linked-to-an-energy-availability-threshold
#2
Jay L Lieberman, Mary Jane De Souza, David A Wagstaff, Nancy I Williams
INTRODUCTION: Chronic reductions in energy availability (EA) suppress reproductive function. A particular calculation of EA quantifies the dietary energy remaining after exercise for all physiological functions. Reductions in LH pulse frequency have been demonstrated when EA using this calculation is < 30 kcal/ kg ffm·d. PURPOSE: We determined whether menstrual disturbances (MD) are induced when EA is < 30 kcal/ kg ffm·d. METHODS: Thirty-five sedentary, ovulatory women 18-24 yr (weight= 59...
October 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29022694/enhancing-distorted-metal-organic-framework-derived-zno-as-anode-material-for-lithium-storage-by-the-addition-of-ag2s-quantum-dots
#3
Weixin Song, Rowena Brugge, Ioannis G Theodorou, Alvin Lukai Lim, Yuchen Yang, Tingting Zhao, Claire H Burgess, Ian D Johnson, A Aguadero, Paul R Shearing, Dan J L Brett, Fang Xie, D Jason Riley
The lithium storage properties of the distorted metal-organic framework (MOF) derived nanosized ZnO@C are significantly improved by the introduction of Ag2S quantum dots (QDs) during the processing of the material. In the thermal treatment, the Ag2S QDs react to produce Ag nanoparticles and ZnS. The metal nanoparticles act to shorten electron pathways and improve the connectivity of the matrix and the partial sulfidation of the ZnO surface improves the cycling stability of the material. The electrochemical properties of ZnO@C, Ag2S QDs treated ZnO@C and the amorphous carbon in ZnO@C have been compared...
October 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29022056/implant-strategy-affects-scaffold-stability-and-integrity-in-cartilage-treatment
#4
M Drobnic, Francesco Perdisa, E Kon, F Cefalì, M Marcacci, G Filardo
PURPOSE: To identify the most appropriate implantation strategy for a novel chondral scaffold in a model simulating the early post-operative phase, in order to optimize the implant procedure and reduce the risk of early failure. METHODS: Eight human cadaveric limbs were strapped to a continuous passive motion device and exposed to extension-flexion cycles (0°-90°). Chondral lesions (1.8 cm diameter) were prepared on condyles, patella and trochlea for the implant of a bi-layer collagen-hydroxyapatite scaffold...
October 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29020783/-corifollitropin-alfa-in-women-stimulated-for-the-first-time-in-in%C3%A2-vitro-fertilization-programme
#5
N Vraná-Mardešićová, J Vobořil, L Melicharová, L Jelínková, Š Vilímová, T Mardešić
OBJECTIVES: To compare results after stimulation with corifollitropin alfa (Elonva) in unselected group of women entering for the first time in in vitro fertilization programme (IVF) with results from Phase III randomized trials with selected groups of women. DESIGN: Prospective study. SETTING: Sanatorium Pronatal, Praha. METHODS: 40 unselected women with adequat ovarian reserve entering for the first time in IVF programme were stimulated with corifollitropin alfa and GnRH antagonists...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/29016225/asco-value-framework-highlights-the-relative-value-of-treatment-options-in-ovarian-cancer
#6
Jonathan Foote, Angeles Alvarez Secord, Margaret Liang, David E Cohn, Elizabeth Jewell, Laura J Havrilesky
PURPOSE: The ASCO value framework allows physicians and patients to compare the relative value of novel treatments. Our aim was to assess the value of three frontline ovarian cancer therapies by using this framework. METHODS: From phase III, randomized controlled clinical trial (RCT) data, the net health benefits (NHBs) for three frontline ovarian cancer treatment options-dose-dense paclitaxel (Japanese Gynecologic Oncology Group study JGOG 3016), intraperitoneal (IP)/intravenous (IV) chemotherapy (Gynecologic Oncology Group [GOG] study GOG 172), and concurrent plus maintenance bevacizumab (GOG 218 and the Seventh International Collaborative Ovarian Neoplasm study [ICON7])-were calculated...
October 10, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28994101/when-to-choose-dynamic-versus-static-social-network-analysis
#7
Damien R Farine
1.There is increasing interest in using dynamic social networks in the study of animal sociality and its consequences. However, there is a general lack of guidance on the when and how such an approach will be valuable. 2.The aim of this paper is to provide a guide on when to choose dynamic versus static social network analysis, and how to choose the appropriate temporal scale for the dynamic network. 3.I first discuss the motivations for using dynamic animal social networks. I then provide guidance on how to choose between dynamic networks and the 'standard' approach of using static networks...
October 9, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28993936/the-influence-of-body-composition-on-pulmonary-rehabilitation-outcomes-in-chronic-obstructive-pulmonary-disease-patients
#8
Pichapong Tunsupon, M Jeffery Mador
INTRODUCTION: Alterations in body composition are commonly present in chronic obstructive pulmonary disease (COPD). The hypothesis of this study is that COPD patients would achieve clinical benefits after pulmonary rehabilitation (PR) independent of muscle mass depletion or body weight. METHODS: We conducted a retrospective cohort study using single-frequency bioelectrical impedance analysis (BIA) for assessment of fat-free mass (FFM) depletion (muscle depletion)...
October 9, 2017: Lung
https://www.readbyqxmd.com/read/28993733/lncrna-uc002mbe-2-interacting-with-hnrnpa2b1-mediates-akt-deactivation-and-p21-up-regulation-induced-by-trichostatin-in-liver-cancer-cells
#9
Ting Chen, Chengxin Gu, Cailin Xue, Tao Yang, Yun Zhong, Shiming Liu, Yuqiang Nie, Hui Yang
Long non-coding RNAs (lncRNAs) have been implicated in liver carcinogenesis. We previously showed that the induction of lncRNA-uc002mbe.2 is positively associated with the apoptotic effect of trichostatin A (TSA) in hepatocellular carcinoma (HCC) cells. The current study further analyzed the role of uc002mbe.2 in TSA-induced liver cancer cell death. The level of uc002mbe.2 was markedly increased by TSA in the cytoplasm of HCC cells. Knockdown of uc002mbe.2 prohibited TSA-induced G2/M cell cycle arrest, p21 induction, and apoptosis of Huh7 cells and reversed the TSA-mediated decrease in p-AKT...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28992933/early-life-indicators-predict-mortality-illness-reduced-welfare-and-carcass-characteristics-in-finisher-pigs
#10
Julia Adriana Calderón Díaz, Laura Ann Boyle, Alessia Diana, Finola Catherine Leonard, John Patrick Moriarty, Máire Catríona McElroy, Shane McGettrick, Denis Kelliher, Edgar García Manzanilla
The objective of this study was to investigate associations between early life indicators, lactation management factors and subsequent mortality, health, welfare and carcass traits of offspring. A total of 1016 pigs from a batch born during one week were used. During lactation, number of liveborn piglets, stillborn and mummies, sow parity, number of times cross-fostered, weaning age, birth and weaning body weight (BW) were collected. Mortality was recorded throughout the offspring production cycle. Prior to slaughter, pigs were scored for lameness (1=non-lame to 3=severely lame)...
October 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28992403/wearable-fabrics-with-self-branched-bimetallic-layered-double-hydroxide-coaxial-nanostructures-for-hybrid-supercapacitors
#11
Goli Nagaraju, S Chandra Sekhar, L Krishna Bharat, Jae Su Yu
In this work, we report a flexible battery-type electrode based on binder-free nickel cobalt layered double hydroxide nanosheets adhered to nickel cobalt layered double hydroxides nanoflake arrays on nickel fabric (NC LDHs NFAs@NSs/Ni fabric) using a facile and eco-friendly synthesis methods. Herein, we utilized discarded polyester fabric as a cost-effective substrate for in situ electroless deposition of Ni, which exhibited good flexibility, light-weight and high conductivity. Subsequently, the vertically aligned NC LDHs NFAs were grown on Ni fabric by means of hot-air oven-based method and fluffy-like NC LDHs NSs branches are further decorated on NC LDHs NFAs by a simple electrochemical deposition method...
October 9, 2017: ACS Nano
https://www.readbyqxmd.com/read/28990379/effects-of-neutral-phytase-on-growth-performance-and-phosphorus-utilization-in-crucian-carp-carassius-auratus
#12
Xin-Zheng Nie, Sha Chen, Xiao-Xu Zhang, Bin-Yang Dai, Li-Chun Qian
A feeding trial was conducted for nine weeks to investigate the effects of partially replacing Ca(H2PO4)2 with neutral phytase on the growth performance, phosphorus utilization, nutrient digestibility, serum biochemical parameters, bone and carcass mineral composition, and digestive-enzyme-specific activity in crucian carp (Carassius auratus). The diets prepared with 0.8%, 0%, and 1.8% Ca(H2PO4)2 (1%=1 g/100 g) supplements were regarded as the P1E0, negative control (NC), and positive control (PC) groups, respectively; the other three experimental diets were prepared with the addition of 200, 300, and 500 U/kg of neutral phytase, respectively, based on the P1E0 group...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28990071/mir%C3%A2-494-inhibits-cell-proliferation-and-metastasis-via-targeting-of-cdk6-in-osteosarcoma
#13
Wei Yuan, Du Wang, Yang Liu, Dongdong Tian, Yang Wang, Ranxi Zhang, Liangjun Yin, Zhongliang Deng
Tumorigenesis is a multistep process involving various cell growth‑associated factors. Accumulated evidence indicates that the disordered regulation of microRNAs (miRNAs) contributes to tumorigenesis. However, the detailed mechanism underlying the involvement of miRNAs in oncogenesis remains to be fully elucidated. In the present study, the repressed expression of microRNA (miR)‑494 was identified in 18 patients with osteosarcoma (OS) and OS cell lines, compared with corresponding controls. To determine whether deregulated miR‑494 exerts tumor‑suppressive effects in the development of OS, the effects of miR‑494 on cell proliferation and metastasis were evaluated...
October 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28989029/applications-of-high-resolution-recycling-liquid-chromatography-from-small-to-large-molecules
#14
Fabrice Gritti, Sebastien Besner, Sylvain Cormier, Martin Gilar
A twin-column recycling separation process (TCRSP) is assembled and used to generate higher speed and/or higher resolution levels than those of the usual non-recycling process at the same back pressure. It enables the users to solve very challenging separation problems caused by too small selectivity factors and/or too low column efficiencies. The relative gain in speed-resolution performance increases with increasing the number of cycles in the TCRSP, decreasing the maximum allowable pressure imposed by the LC system, decreasing the column permeability, and with reducing the separation speed...
September 25, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28985365/zebrafish-cdc6-hypomorphic-mutation-causes-meier-gorlin-syndrome-like-phenotype
#15
Likun Yao, Jing Chen, Xiaotong Wu, Shunji Jia, Anming Meng
Cell Division Cycle 6 (Cdc6) is a component of pre-replicative complex (preRC) forming on DNA replication origins in eukaryotes. Recessive mutations in ORC1, ORC4, ORC6, CDT1 or CDC6 of the preRC in human cause Meier-Gorlin syndrome (MGS) that is characterized by impaired post-natal growth, short stature and microcephaly. However, vertebrate models of MGS have not been reported. Through N-ethyl-N-nitrosourea mutagenesis and Cas9 knockout, we generate several cdc6 mutant lines in zebrafish. Loss-of-function mutations of cdc6, as manifested by cdc6tsu4305 and cdc6tsu7cd mutants, lead to embryonic lethality due to cell cycle arrest at the S phase and extensive apoptosis...
August 2, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28984368/autogenic-drainage-for-airway-clearance-in-cystic-fibrosis
#16
REVIEW
Pamela McCormack, Paul Burnham, Kevin W Southern
BACKGROUND: Autogenic drainage is an airway clearance technique that was developed by Jean Chevaillier in 1967. The technique is characterised by breathing control using expiratory airflow to mobilise secretions from smaller to larger airways. Secretions are cleared independently by adjusting the depth and speed of respiration in a sequence of controlled breathing techniques during exhalation. The technique requires training, concentration and effort from the individual. It is important to systematically review the evidence demonstrating that autogenic drainage is an effective intervention for people with cystic fibrosis...
October 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28983018/phase-1-study-of-the-anti-cd22-immunotoxin-moxetumomab-pasudotox-for-childhood-acute-lymphoblastic-leukemia
#17
MULTICENTER STUDY
Alan S Wayne, Nirali N Shah, Deepa Bhojwani, Lewis B Silverman, James A Whitlock, Maryalice Stetler-Stevenson, Weili Sun, Meina Liang, Jie Yang, Robert J Kreitman, Mark C Lanasa, Ira Pastan
Novel therapies are needed to overcome chemotherapy resistance for children with relapsed/refractory acute lymphoblastic leukemia (ALL). Moxetumomab pasudotox is a recombinant anti-CD22 immunotoxin. A multicenter phase 1 study was conducted to determine the maximum-tolerated cumulative dose (MTCD) and evaluate safety, activity, pharmacokinetics, and immunogenicity of moxetumomab pasudotox in children, adolescents, and young adults with ALL (N = 55). Moxetumomab pasudotox was administered as a 30-minute IV infusion at doses of 5 to 50 µg/kg every other day for 6 (cohorts A and B) or 10 (cohort C) doses in 21-day cycles...
October 5, 2017: Blood
https://www.readbyqxmd.com/read/28982716/multiplexed-temporal-quantification-of-the-exercise-regulated-plasma-peptidome
#18
Benjamin L Parker, James G Burchfield, Daniel Clayton, Thomas A Geddes, Richard J Payne, Bente Kiens, Jørgen Wojtaszewski, Erik A Richter, David E James
Exercise is extremely beneficial to whole body health reducing the risk of a number of chronic human diseases. Some of these physiological benefits appear to be mediated via the secretion of peptide/protein hormones into the blood stream. The plasma peptidome contains the entire complement of low molecular weight endogenous peptides derived from secretion, protease activity and PTMs, and is a rich source of hormones. In the current study we have quantified the effects of intense exercise on the plasma peptidome to identify novel exercise regulated secretory factors in humans...
October 5, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28981782/down-regulation-of-the-sucrose-transporters-hvsut1-and-hvsut2-affects-sucrose-homeostasis-along-its-delivery-path-in-barley-grains
#19
Volodymyr Radchuk, David Riewe, Manuela Peukert, Andrea Matros, Marc Strickert, Ruslana Radchuk, Diana Weier, Hans-Henning Steinbiß, Nese Sreenivasulu, Winfriede Weschke, Hans Weber, Zoe Wilson
Sucrose transport and partitioning are crucial for seed filling. While many plasma-membrane-localised sucrose transporters (SUT1 family members) have been analysed in seeds, the functions of vacuolar SUT2 members are still obscure. In barley grains, expression of HvSUT1 and HvSUT2 overlap temporally and spatially, suggesting concerted functions to regulate sucrose homeostasis. Using HvSUT2-RNAi plants, we found that grains were also deficient in HvSUT1 expression and seemingly sucrose-limited during mid-to-late grain filling...
July 20, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28979843/rapid-screening-of-igg-quality-attributes-effects-on-fc-receptor-binding
#20
Karin P M Geuijen, Cindy Oppers-Tiemissen, David F Egging, Peter J Simons, Louis Boon, Richard B M Schasfoort, Michel H M Eppink
The interactions of therapeutic antibodies with fragment crystallizable γ (Fcγ) receptors and neonatal Fc receptors (FcRn) are measured in vitro as indicators of antibody functional performance. Antibodies are anchored to immune cells through the Fc tail, and these interactions are important for the efficacy and safety of therapeutic antibodies. High-throughput binding studies on each of the human Fcγ receptor classes (FcγRI, FcγRIIa, FcγRIIb, FcγRIIIa, and FcγRIIIb) as well as FcRn have been developed and performed with human IgG after stress-induced modifications to identify potential impact in vivo...
October 2017: FEBS Open Bio
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