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https://www.readbyqxmd.com/read/28441042/aberrantly-expressed-long-noncoding-rnas-in-recurrent-implantation-failure-a-microarray-related-study
#1
Li-Juan Fan, Hong-Jing Han, Jing Guan, Xiao-Wei Zhang, Qing-Hua Cui, Huan Shen, Cheng Shi
Long noncoding RNAs (lncRNAs) are a class of noncoding RNAs longer than 200 nucleotides. They were long regarded as transcription noise for their low expression and non-protein coding features. Recent published reports indicate that lncRNAs are involved in virtually every aspect of human biology. We aimed to profile the endometrial lncRNA expression pattern in women with recurrent implantation failure (RIF) and predict the function of the genes of the dysregulated lncRNA transcripts. Endometrial samples (24) were collected during window of implantation (14 RIF women and 10 women who conceived after embryo transfer)...
April 25, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28440522/-nutrition-management-in-obese-patients-with-type-2-diabetes-mellitus-after-laparoscopic-sleeve-gastrectomy
#2
Weihong Tang, Yuhua Chen, Meizhen Pan, Lihua Chen, Lele Zhang, Tingfeng Wang, Xiong Zhang, Peng Zhang, Chengzhu Zheng, Bo Yu
OBJECTIVE: To explore the value of nutrition management in obese patients with type 2 diabetes mellitus(T2DM) after laparoscopic sleeve gastrectomy(LSG). METHODS: Clinical data of 22 obese T2DM patients undergoing LSG from March 2013 to July 2015 in Fudan University Pudong Medical Center were collected. All the patients strictly followed the specialized instruction by nutritionists: diabetic and low calorie diet 3347.2 to 5020.8 kJ (800 to 1200 kcal) per day before the operation; low calorie liquid diet 2510...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28440500/indirect-effects-of-x-irradiation-on-proliferation-and-osteogenic-potential-of-bone-marrow-mesenchymal-stem-cells-in-a-local-irradiated-rat-model
#3
Ruilian Sun, Guoying Zhu, Jianping Wang, Ling Tong, Jianglong Zhai
Cancer survivors after radiotherapy may suffer a variety of bone‑related adverse side effects, including radioactive osteoporosis and fractures. Localized irradiation is a common treatment modality for malignancies. Recently, a series of reactions and injuries called indirect effects (remote changes in bone when other parts of the body are irradiated) have been reported on the indirect irradiated area of bone tissue after radiotherapy. To address this issue, we developed a rat localized irradiation model...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28438659/the-nrf2-activator-dh404-attenuates-adverse-ventricular-remodelling-post-myocardial-infarction-by-modifying-redox-signalling
#4
Kristen J Bubb, Cindy Kok, Owen Tang, Nathalie B Rasko, Asa Birna Birgisdottir, Thomas Hansen, Rebecca Ritchie, Ravinay Bhindi, Scott A Reisman, Colin Meyer, Keith Ward, Keyvan Karimi Galougahi, Gemma A Figtree
BACKGROUND: The novel synthetic triterpenoid, bardoxolone methyl, has the ability to upregulate cytoprotective proteins via induction of the nuclear factor erythroid-2-related factor 2 (Nrf2) pathway. This makes it a promising therapeutic agent in disease states characterized by dysregulated oxidative signalling. We have examined the effect of a Nrf2 activator, dihydro-CDDO-trifluoroethyl amide (DH404), a derivative of bardoxolone methyl, on post-infarct cardiac remodeling in rats. METHODS/RESULTS: DH404, administered from day 2 post myocardial infarction (MI: 30 min transient ischemia followed by reperfusion) resulted in almost complete protection against adverse ventricular remodeling as assessed at day 28 (left ventricular end-systolic area: sham 0...
April 21, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28438602/hyperoxia-exposure-disrupts-adrenomedullin-signaling-in-newborn-mice-implications-for-lung-development-in-premature-infants
#5
Renuka T Menon, Amrit Kumar Shrestha, Binoy Shivanna
Hyperoxia contributes to the development of bronchopulmonary dysplasia (BPD), a chronic lung disease of human infants that is characterized by disrupted lung angiogenesis. Adrenomedullin (AM) is a multifunctional peptide with angiogenic and vasoprotective properties. AM signals via its cognate receptors, calcitonin receptor-like receptor (Calcrl) and receptor activity-modifying protein 2 (RAMP2). Whether hyperoxia affects the pulmonary AM signaling pathway in neonatal mice and whether AM promotes lung angiogenesis in human infants are unknown...
April 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28438557/the-isozyme-selective-phosphodiesterase-4-inhibitor-abi-4-attenuates-the-effects-of-lipopolysaccharide-in-human-cells-and-rodent-models-of-peripheral-and-cns-inflammation
#6
Joseph R Hedde, Ashley N Hanks, Christopher J Schmidt, Zoë A Hughes
Inhibitors of phosphodiesterase-4 (PDE4) have been approved for the treatment of inflammatory disorders, but are associated with dose-limiting nausea and vomiting. These side effects are hypothesized to be mediated by inhibition of the PDE4D isozyme. Here we demonstrate the anti-inflammatory effects of the novel brain penetrant PDE4D-sparing PDE4 inhibitor, ABI-4. ABI-4 was a potent (EC50 ∼14 nM) inhibitor of lipopolysaccharide (LPS) induced TNF-α release from mouse microglia and human PBMCs. ABI-4 (0.32 mg/kg) blocked LPS-induced release of pro-inflammatory cytokines (TNF-α, IL-1β, IL-6) in blood and brain of mice...
April 21, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28438541/synthesis-structural-characterization-and-biological-activity-of-novel-knoevenagel-condensates-on-dld-1-human-colon-carcinoma
#7
Lucia Rišiaňová, Eva Fischer-Fodor, Jindra Valentová, Corina Tatomir, Nicoleta Corina Decea, Piroska Virag, Iveta Pechová, Ferdinand Devínsky, Natalia Miklašová
Biologically active Knoevenagel condensates (1-14) of diarylheptanoids: 1,7-bis(3-methoxy-4-hydroxyphenyl)hepta-1,7-diene-3,5-dione and 1,7-bis(3-ethoxy-4-hydroxyphenyl)hepta-1,7-diene-3,5-dione, were synthesized and structurally characterized. Compounds 1-14 exhibited cytotoxicity against colon carcinoma cells, and their antiproliferative effect was associated with a significant decrease of multidrug resistance proteins. One of the underlying mechanisms of these effects is the reduction of intracellular and extracellular SOD enzymes by compounds 1, 12 and 14, which render the tumor cells more vulnerable to oxidative stress...
April 13, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28437720/determination-of-a-novel-anticancer-ampk-activator-hernandezine-in-rat-plasma-and-tissues-with-a-validated-uhplc-ms-ms-method-application-to-pharmacokinetics-and-tissue-distribution-study
#8
Yang Song, Zhibin Wang, Baozhen Zhang, Yujia Zhang, Weipeng Zhang, Chunjuan Yang, Fanhao Meng, Xuesong Feng
Hernandezine, a novel anticancer AMPK activator, is a major active constituent of Thalictrum Ranunculaceae. A simple, specific and sensitive liquid chromatography tandem mass spectrometry (LC-MS/MS) method has been developed and validated for the quantification of hernandezine in rat plasma and tissues after intravenous administration. Sample preparation was carried out through a protein-precipitation extraction with acetonitrile using tetrandrine as internal standard (IS). The chromatographic separation was achieved by using an Agilent ZORBAX Eclipse Plus C18 column with a mobile phase of acetonitrile and water (containing 10mM ammonium acetate) in an isocratic elution way...
April 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28437656/a-gene-environment-interaction-analysis-of-plasma-selenium-with-prevalent-and-incident-diabetes-the-hortega-study
#9
Inmaculada Galan-Chilet, Maria Grau-Perez, Griselda De Marco, Eliseo Guallar, Juan Carlos Martin-Escudero, Alejandro Dominguez-Lucas, Isabel Gonzalez-Manzano, Raul Lopez-Izquierdo, Laisa Socorro Briongos-Figuero, Josep Redon, Felipe Javier Chaves, Maria Tellez-Plaza
BACKGROUND: Selenium and single-nucleotide-polymorphisms in selenoprotein genes have been associated to diabetes. However, the interaction of selenium with genetic variation in diabetes and oxidative stress-related genes has not been evaluated as a potential determinant of diabetes risk. METHODS: We evaluated the cross-sectional and prospective associations of plasma selenium concentrations with type 2 diabetes, and the interaction of selenium concentrations with genetic variation in candidate polymorphisms, in a representative sample of 1452 men and women aged 18-85 years from Spain...
April 14, 2017: Redox Biology
https://www.readbyqxmd.com/read/28437133/the-impact-of-the-centrifuge-characteristics-and-centrifugation-protocols-on-the-cells-growth-factors-and-fibrin-architecture-of-a-leukocyte-and-platelet-rich-fibrin-l-prf-clot-and-membrane
#10
David M Dohan Ehrenfest, Nelson R Pinto, Andrea Pereda, Paula Jiménez, Marco Del Corso, Byung-Soo Kang, Mauricio Nally, Nicole Lanata, Hom-Lay Wang, Marc Quirynen
L-PRF (leukocyte- and platelet-rich fibrin) is one of the four families of platelet concentrates for surgical use and is widely used in oral and maxillofacial regenerative therapies. The first objective of this article was to evaluate the mechanical vibrations appearing during centrifugation in four models of commercially available table-top centrifuges used to produce L-PRF and the impact of the centrifuge characteristics on the cell and fibrin architecture of a L-PRF clot and membrane. The second objective of this article was to evaluate how changing some parameters of the L-PRF protocol may influence its biological signature, independently from the characteristics of the centrifuge...
April 24, 2017: Platelets
https://www.readbyqxmd.com/read/28437072/the-single-disulfide-directed-%C3%AE-hairpin-fold-dynamics-stability-and-engineering
#11
Balasubramanyam Chittoor, Krishnarjuna Bankala, Rodrigo A W Morales, Christopher Andrew MacRaild, Maiada Sadek, Eleanor Ww Leung, Samuel Robinson, Michael Pennington, Raymond S Norton
Grafting bioactive peptide sequences onto small cysteine-rich scaffolds is a promising strategy to enhance their stability and value in novel peptide-based therapeutics. However, correctly folded disulfide-rich peptides can be challenging to produce by either recombinant or synthetic means. The single disulfide-directed β-hairpin (SDH) fold, first observed in contryphan-Vc1, provides a potential alternative to complex disulfide-rich scaffolds. We have undertaken recombinant production of full-length contryphan-Vc1 (rCon-Vc1[Z1Q]) and a truncated analog (rCon-Vc11-22[Z1Q]), analyzed the backbone dynamics of rCon-Vc1[Z1Q], and probed the conformational and proteolytic stability of these peptides to evaluate the potential of contryphan-Vc1 as a molecular scaffold...
April 24, 2017: Biochemistry
https://www.readbyqxmd.com/read/28436939/an-inflammatory-bowel-disease-risk-variant-in-inava-decreases-pattern-recognition-receptor-induced-outcomes
#12
Jie Yan, Matija Hedl, Clara Abraham
Inflammatory bowel disease (IBD) is characterized by dysregulation in both cytokines and responses to intestinal microbes, and proper regulation of pattern recognition receptor (PRR) signaling is critical for intestinal immune homeostasis. Altered functions for the IBD risk locus containing rs7554511, which encompasses the C1orf106 gene (recently named INAVA), and roles for the protein encoded by the INAVA gene are unknown. Here, we investigated the role of INAVA and INAVA genotype in regulating PRR-initiated outcomes in primary human cells...
April 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28436343/implications-of-feed-concentrate-reduction-in-organic-grassland-based-dairy-systems-a-long-term-on-farm-study
#13
F Leiber, I K Schenk, A Maeschli, S Ivemeyer, J O Zeitz, S Moakes, P Klocke, P Staehli, C Notz, M Walkenhorst
In response to increasing efforts for reducing concentrate inputs to organic dairy production in grassland-rich areas of Europe, a long-term study was conducted, which assessed the impacts of concentrate reductions on cows' performance, health, fertility and average herd age. In total, 42 Swiss commercial organic dairy cattle farms were monitored over 6 years ('Y0', 2008/09 until 'Y5', 2013/14). In comparison with overall data of Swiss herdbooks (including conventional and organic farms), the herds involved in the project had lower milk yields, similar milk solids, shorter calving intervals and higher average lactation numbers...
April 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28435656/white-tailed-deer-browse-on-an-invasive-shrub-with-extended-leaf-phenology-meets-assumptions-of-an-apparent-competition-hypothesis
#14
Kylie L Martinod, David L Gorchov
It has been hypothesized that invasive plant species with extended leaf phenology (ELP) elevate generalist herbivore populations, increasing herbivory on native plants (apparent competition). This hypothesis assumes that consumption of the invasive is associated with periods of ELP, the invasive is a major component of the herbivore's diet, and that it is more nutritious than native plants during periods of ELP. We tested these assumptions by estimating the proportion of the white-tailed deer diet comprised of Lonicera maackii, an invasive shrub with ELP, quantifying the seasonal pattern of deer browse on this invasive shrub, and comparing its nutritional quality to leafless woody stems...
March 2017: AoB Plants
https://www.readbyqxmd.com/read/28435144/effects-of-stanniocalcin-1-on-glucose-flux-in-rat-brown-adipose-tissue
#15
Aline G Cozer, Márcia Trapp, Tiago L Martins, Luciano Stürmer De Fraga, Claudia Vieira Marques, Jorge Felipe A Model, Vanessa Schein, Luiz Carlos Kucharski, Roselis S M Da Silva
The present work assesses in vitro the role of human Stanniocalcin 1 (hSTC-1) in (14)C-glucose metabolism in brown adipose tissue (BAT) from fed rat. In the fed state, hSTC-1 decreases the incorporation of (14)C from glucose into lipids in the rat BAT. The data support the hypothesis that the capacity of the glycerol-3-phosphate (G3P)-generating pathway (glycolysis) from glucose is regulated by hSTC-1, decreasing the adequate supply of G3P needed for fatty acid esterification and triacylglycerol (TG) storage in BAT...
April 20, 2017: Biochimie
https://www.readbyqxmd.com/read/28435048/morella-serrata-lam-killick-stabilizes-biomembrane-and-rejuvenates-sexual-competence-in-male-wistar-rats
#16
S Sabiu, Aot Ashafa
ETHNOPHARMACOLOGICAL RELEVANCE: Morella serrata L. is an indigenous medicinal plant to South and southern Africa with folkloric applications as aphrodisiac, laxative, antimicrobial, anti-inflammatory, analgesic, anti-hypertensive, antitussive and antidiabetic agent. AIM OF THE STUDY: This study evaluated the membrane stabilization and aphrodisiac potentials of its aqueous root extract in male Wistar rats. MATERIALS AND METHODS: While the membrane stabilization of the extract was investigated against bovine erythrocytes (BE), the male rats for the aphrodisiac study were randomized into five groups with animals in group 1 given sterile placebo and served as control...
April 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28434814/novel-protein-biomarkers-associated-with-coronary-artery-disease-in-statin-treated-patients-with-familial-hypercholesterolemia
#17
Sven Bos, Michael Phillips, Gerald F Watts, Adrie J M Verhoeven, Eric J G Sijbrands, Natalie C Ward
BACKGROUND: Familial hypercholesterolemia (FH) is the most common and serious monogenic disorder of lipid metabolism. The incidence of coronary artery disease (CAD) varies among both treated and untreated FH patients. OBJECTIVE: The aim of the study was to utilize proteomics to identify novel protein biomarkers that differentiate genetically confirmed heterozygous patients with FH at high CAD risk from those at low CAD risk. METHODS: Sixty genetically confirmed FH patients were recruited and stratified into (1) asymptomatic FH with low atherosclerotic burden (FH, n = 20); (2) asymptomatic FH with high atherosclerotic burden (FH + Ca, n = 20); and (3) FH with previously confirmed symptomatic CAD (FH + CAD, n = 20)...
April 4, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28434761/improvement-in-nutritional-status-in-patients-with-chronic-kidney-disease-4-by-a-nutrition-education-program-with-no-impact-on-renal-function-and-determined-by-male-sex
#18
Almudena Pérez-Torres, Elena González Garcia, Helena Garcia-Llana, Gloria Del Peso, Ana María López-Sobaler, Rafael Selgas
OBJECTIVE: Protein-energy wasting (PEW) is associated with increased morbidity and mortality and a rapid deterioration of kidney function in patients with chronic kidney disease (CKD). However, there is little information regarding the effect of nutrition intervention. The aims of this study were to evaluate the efficacy and safety of a nutrition education program (NEP) in patients with nondialysis dependent CKD (NDD-CKD), based on the diagnostic criteria for PEW proposed by the International Society of Renal Nutrition and Metabolism...
April 20, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28433724/whole-genome-de-novo-sequencing-of-wood-rot-fungus-fomitopsis-palustris-atcc62978-with-both-a-cellulolytic-and-ligninolytic-enzyme-system
#19
Chang-Young Hong, Su-Yeon Lee, Sun-Hwa Ryu, Myungkil Kim
Fomitopsis palustris is a model brown rot fungus causing destructive wood decay based on the cellulase system. Endoglucanase secreted by F. palustris hydrolyzes cellulose in both the crystalline and amorphous form. In this study, whole-genome sequencing was conducted to identify genes related to F. palustris cellulose degradation and their functions. We determined the 43-Mb complete draft genome of F. palustris (ATCC 62978), comprising 14,592 predicted gene models. Gene annotation provided crucial information about the location and function of protein-encoding genes...
April 19, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28433569/vitamin-d-binding-protein-rs7041-polymorphism-and-high-residual-platelet-reactivity-in-patients-receiving-dual-antiplatelet-therapy-with-clopidogrel-or-ticagrelor
#20
Monica Verdoia, Veronica Daffara, Patrizia Pergolini, Roberta Rolla, Paolo Marino, Giorgio Bellomo, Alessandro Carriero, Giuseppe De Luca
BACKGROUND: Vitamin D deficiency represents a major health problem in general population, especially for its association with cardiovascular disorders and thrombotic risk, even in patients on dual antiplatelet therapy (DAPT). Vitamin D Binding Protein (VDBP) is the main transporter of vitamin D in the bloodstream and genetic polymorphisms of this protein have been shown to account for a significant variability of vitamin D levels and its systemic effects. Contrasting data have linked the rs7041 T→G substitution with cardiovascular disease...
April 19, 2017: Vascular Pharmacology
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