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https://www.readbyqxmd.com/read/27911270/saha-and-or-mg132-reverse-the-aggressive-phenotypes-of-glioma-cells-an-in-vitro-and-vivo-study
#1
Xue-Feng Yang, Zhi-Juan Zhao, Jia-Jie Liu, Xiang-Hong Yang, Yang Gao, Shuang Zhao, Shuai Shi, Ke-Qiang Huang, Hua-Chuan Zheng
To elucidate the anti-tumor effects and molecular mechanisms of SAHA (a histone deacetylase inhibitor) and MG132 (a proteasome inhibitor) on the aggressive phenotypes of glioma cells, we treated U87 and U251 cells with SAHA or/and MG132, and detected phenotypes' assays with phenotype-related molecules examined. It was found that SAHA or/and MG132 treatment suppressed proliferation in both concentration- and time-dependent manners, inhibited energy metabolism, migration, invasion and lamellipodia formation, and induced G2 arrest and apoptosis in the glioma cells...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27910969/the-intramolecular-h-bonding-effect-on-the-growth-and-stability-of-schiff-base-surface-covalent-organic-frameworks
#2
Yi-Ping Mo, Xuan-He Liu, Bing Sun, Hui-Juan Yan, Dong Wang, Li-Jun Wan
The introduction of intramolecular H-bonding by adding -OH functionalities adjacent to the Schiff base centers is considered to be a useful strategy to enhance the stability and crystallinity of bulk covalent organic frameworks (COFs). However, the influence of intramolecular H-bonding on the synthesis of surface COFs (SCOFs) have been barely explored. Herein, SCOFs based on the Schiff-base reaction between 1,3,5-tris(4-aminophenyl)benzene (TAPB) and terephthalaldehydes with symmetry or asymmetrically substituted hydroxyl functional groups are designed...
December 2, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27910710/management-of-a-pregnant-woman-with-thyrotropinoma-a-case-report-and-review-of-the-literature
#3
Carolina M Perdomo, Jorge A Árabe, Miguel Á Idoate, Juan C Galofré
INTRODUCTION: Pituitary disorders during pregnancy are uncommon. The approach should include a close follow-up in order to reduce maternal and fetal risks associated with physiological changes during pregnancy or treatment side effects. MATERIALS AND METHODS: We report a 21-year-old woman with a thyroid-stimulating hormone-secreting pituitary macroadenoma and positive antithyroid antibodies. She was initially treated using transsphenoidal pituitary surgery. The patient relapsed 17-month post-surgery...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27910161/mir-29a-regulates-vascular-neointimal-hyperplasia-by-targeting-yy1
#4
Yu Zhang, Yong Hui Li, Chao Liu, Chan-Juan Nie, Xin-Hua Zhang, Cui-Ying Zheng, Wen Jiang, Wei-Na Yin, Ming-Hui Ren, Yu-Xin Jin, Shu-Feng Liu, Bin Zheng, Jin-Kun Wen
OBJECTIVES: The formation of vascular neointima is mainly related to impairment of the vascular endothelial barrier and abnormal proliferation and migration of smooth muscle cells. The objective of this study was to investigate whether miR-29a exerts any promoting effect on the vascular neointimal hyperplasia and if so, its mechanism. MATERIALS AND METHODS: RT-qPCR was performed to determine expression of miR-29a in vascular smooth muscle cells (VSMC) and vascular neointimal hyperplasia...
December 2, 2016: Cell Proliferation
https://www.readbyqxmd.com/read/27910076/-2016-esc-position-paper-on-cancer-treatments-and-cardiovascular-toxicity-developed-under-the-auspices-of-the-esc-committee-for-practice-guidelines
#5
Jose Luis Zamorano, Patrizio Lancellotti, Daniel Rodriguez Muñoz, Victor Aboyans, Riccardo Asteggiano, Maurizio Galderisi, Gilbert Habib, Daniel J Lenihan, Gregory Y H Lip, Alexander R Lyon, Teresa Lopez Fernandez, Dania Mohty, Massimo F Piepoli, Juan Tamargo, Adam Torbicki, Thomas M Suter
No abstract text is available yet for this article.
2016: Kardiologia Polska
https://www.readbyqxmd.com/read/27909978/il-17a-produced-by-peritoneal-macrophages-promote-the-accumulation-and-function-of-granulocytic-myeloid-derived-suppressor-cells-in-the-development-of-colitis-associated-cancer
#6
Yue Zhang, Juan Wang, Wenxin Wang, Jie Tian, Kai Yin, Xinyi Tang, Jie Ma, Huaxi Xu, Shengjun Wang
It is widely acknowledged that a close relationship is between inflammation and colon cancer. Interleukin (IL)-17A and myeloid-derived suppressor cells (MDSCs) play an important role in the development of colitis-associated cancer (CAC). However, the precise changes of IL-17, MDSCs, and Th17 cells during the CAC progression have not been observed in the colorectal chronic inflammation-dependent tumor. In this study, we found the level of IL-17 was increased in pathogenic colon site during the early stage of CAC model...
December 1, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27909845/a-fluorescence-sensor-for-lead-ii-ions-determination-based-on-label-free-gold-nanoparticles-gnps-dnazyme-using-time-gated-mode-in-aqueous-solution
#7
Xiao-Yu Wang, Cheng-Gang Niu, Li-Juan Guo, Liu-Yin Hu, Sheng-Quan Wu, Guang-Ming Zeng, Fei Li
This paper describes a label-free 17E DNAzyme-based time-gated fluorescence sensor for Pb(2+) detection by unmodified gold nanoparticles (GNPs) and a terbium ternary complex. The fluorophore that used in this paper is a terbium ternary complex. Its signal can be measured in a time-gated manner which could eliminate most of the unspecific fluorescent background. It is well known that unfolded single-stranded DNA (ssDNA) could be adsorbed on GNPs while double-stranded DNA could not. The cleavage of the substrate by the 17E DNAzyme in the presence of Pb(2+) causes the release of ssDNA from the 17E-17S duplex to be absorbed onto GNPs, preventing the aggregation of GNPs and then leading to a fluorescence decrease of terbium ternary complex...
December 1, 2016: Journal of Fluorescence
https://www.readbyqxmd.com/read/27909491/idiopathic-vpc-distribution-of-foci-and-tips-of-ablation
#8
REVIEW
Jose C Pachon M Md PhD, Tasso J Lobo Md, Enrique I Pachon M Md, Tomas G Santillana P Md, Carlos Tc Pachon Md, Juan C Pachon M Md, Remy N Albornoz V Md, Juan C Zerpa A Md, Felipe A Ortencio Md
Idiopathic Ventricular Premature Contraction (VPC) is currently more routinely referred for electrophysiology evaluation. Usually it carries a good prognosis but, when symptomatic or suspected to produce ventricular dysfunction, will require treatment. Nowadays, RF ablation has great advantages over antiarrhythmic drugs. Classically the outflow tract (right or left), with the typical inferior axis with left (eventually right) bundle brunch block like ECG morphology, is considered the most frequent site of origin for idiopathic VPC, but with the widespread of EP procedures and advancement of technology making possible to map and ablate difficult locations, it is possible to see a growing and changing population referred for idiopathic VPC ablation, displaying that, almost any region of the heart may be source of this kind of arrhythmia that can be successfully treated...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909081/five-year-efficacy-and-safety-of-tocilizumab-monotherapy-in-patients-with-rheumatoid-arthritis-who-were-methotrexate-and-biologic-naive-or-free-of-methotrexate-for-6-months-the-ambition-study
#9
Graeme Jones, Thomas Wallace, Matthew J McIntosh, Laura Brockwell, Juan J Gómez-Reino, Anthony Sebba
OBJECTIVE: To report on the 5-year efficacy and safety results of the AMBITION (Actemra versus Methotrexate double-Blind Investigative Trial In mONotherapy) monotherapy study (ClinicalTrials.gov: NCT00109408, NCT00720798). METHODS: Patients with rheumatoid arthritis for whom biologics had not failed or who did not discontinue methotrexate because of lack of efficacy or tolerability were followed up for 5 years to assess the efficacy and serious adverse events (SAE) of tocilizumab (TCZ) monotherapy...
December 1, 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27908816/blunt-traumatic-occlusion-of-the-common-iliac-artery-repaired-with-segmental-excision-and-internal-iliac-artery-patch-angioplasty
#10
Abid C Mogannam, Robert F Cubas, Ivan M Gutierrez, Juan A Astudillo, Ahmed M Abou-Zamzam
Common iliac artery (CIA) occlusion as a result of blunt trauma is rare and seldom reported. This has been associated with pelvic fractures and other great vessel lesions. Management options include endovascular covered stent placement, open anatomic repair with autogenous conduit, or open extra-anatomic repair with prosthetic material. We report the case of a middle-aged male with a right CIA injury secondary to blunt trauma who underwent a successful repair using an internal iliac artery (IIA) patch for injury to a 2 cm segment of CIA with peritoneal contamination...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27908800/sauruchinenols-a-and-b-unprecedented-monocyclic-diterpenes-with-new-carbon-skeleton-from-the-aerial-parts-of-saururus-chinensis
#11
Xiu Gao, Juan He, Xing-De Wu, Li-Yan Peng, Li-Dong Shao, Yan Li, Xiao Cheng, Qin-Shi Zhao
Sauruchinenols A (1) and B (2), two novel monocyclic diterpenes with unique carbon skeleton, as well as two new structurally related diterpenes, sauruchinenols C (3) and D (4), were isolated from the aerial part of Saururus chinensis. Their structures were elucidated based on the analysis of spectroscopic data. A hypothetical biogenetic pathway for sauruchinenols A and B was proposed.
November 28, 2016: Fitoterapia
https://www.readbyqxmd.com/read/27908796/detection-of-novel-gii-17-norovirus-in-argentina-2015
#12
Juan I Degiuseppe, Karina A Gomes, María F Hadad, Gabriel I Parra, Juan A Stupka
During the winter of 2014-2015 a novel GII.17 norovirus strain emerged as a cause of large gastroenteritis outbreaks in Asia; displacing the long-term predominant strain, GII.4. Although sporadically detected, the emerging GII.17 virus was described in North America and Europe. In this study, we describe the presence of this novel strain in Argentina (South America), and provide new information on the genetic diversity of GII.17 noroviruses. Ten stool samples from individuals (1-88years old; median: 5years old) experiencing gastroenteritis symptoms from San Martín de los Andes, Argentina were tested for Norovirus using RT-PCR...
November 28, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27908757/synthesis-antioxidant-and-antichagasic-properties-of-a-selected-series-of-hydroxy-3-arylcoumarins
#13
Natalia Robledo-O'Ryan, Maria João Matos, Saleta Vazquez-Rodriguez, Lourdes Santana, Eugenio Uriarte, Mauricio Moncada-Basualto, Francisco Mura, Michel Lapier, Juan Diego Maya, Claudio Olea-Azar
Oxidative stress is involved in several parasitic diseases such as Chagas. Agents able to selectively modulate biochemical processes involved in the disease represent promising multifunctional agents for the delay or abolishment of the progression of this pathology. In the current work, differently substituted hydroxy-3-arylcoumarins are described, exerting both antioxidant and trypanocidal activity. Among the compounds synthesized, compound 8 showed the most interesting profile, presenting a moderate scavenging ability for peroxyl radicals (ORAC-FL=2...
November 19, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27908741/resolving-interspecific-relationships-within-evolutionarily-young-lineages-using-rna-seq-data-an-example-from-pedicularis-section-cyathophora-orobanchaceae
#14
Hong-Juan Wang, Wei-Tao Li, Ya-Nan Liu, Fu-Sheng Yang, Xiao-Quan Wang
Phylogenomics has shown great potential in resolving evolutionary relationships at different taxonomical levels. However, it remains controversial whether all orthologous genes under different selective pressures can be concatenated for phylogenomic reconstruction. Here we used sect. Cyathophora of Pedicularis, one of the most species-rich genera of angiosperms in the alpine and arctic regions of the Northern Hemisphere, as a model to investigate the efficiency of RNA-seq in resolving relationships of closely related congeneric species...
November 28, 2016: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/27908723/oxidation-inhibits-pth-receptor-signaling-and-trafficking
#15
Juan A Ardura, Verónica Alonso, Pedro Esbrit, Peter A Friedman
Reactive Oxygen Species (ROS) increase during aging, potentially affecting many tissues including brain, heart, and bone. ROS alter signaling pathways and constitute potential therapeutic targets to limit oxidative damaging effects in aging-associated diseases. Parathyroid hormone receptors (PTHR) are widely expressed and PTH is the only anabolic therapy for osteoporosis. The effects of oxidative stress on PTHR signaling and trafficking have not been elucidated. Here, we used Fluorescence Resonance Energy Transfer (FRET)-based cAMP, ERK, and calcium fluorescent biosensors to analyze the effects of ROS on PTHR signaling and trafficking by live-cell imaging...
November 28, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27908718/inhibitory-effect-of-sophora-subprosrate-polysaccharide-on-mitochondria-oxidative-stress-induced-by-pcv-2-infection-in-raw264-7-cells
#16
Zi-Jie Su, Jian Yang, Wen-Juan Luo, Ying-Yi Wei, Xue-Hong Shuai, Ting-Jun Hu
In the present study, the inhibitory effect of Sophora subprosrate polysaccharide (SSP) on PCV-2-induced mitochondrial respiratory burst in RAW264.7 cells was first investigated. The findings suggested that SOD activity and the anti-superoxide anion radical activity of the RAW264.7 cells were significantly decreased after PCV-2 infection, and MnSOD mRNA levels were significantly decreased, while NOX2 mRNA levels and protein expression were increased. Meanwhile, the O2(•-) levels and mitochondrial membrane potentials were significantly increased...
November 28, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27908689/pcsk9-genetic-variants-and-risk-of-type-2-diabetes-a-mendelian-randomisation-study
#17
Amand F Schmidt, Daniel I Swerdlow, Michael V Holmes, Riyaz S Patel, Zammy Fairhurst-Hunter, Donald M Lyall, Fernando Pires Hartwig, Bernardo Lessa Horta, Elina Hyppönen, Christine Power, Max Moldovan, Erik van Iperen, G Kees Hovingh, Ilja Demuth, Kristina Norman, Elisabeth Steinhagen-Thiessen, Juri Demuth, Lars Bertram, Tian Liu, Stefan Coassin, Johann Willeit, Stefan Kiechl, Karin Willeit, Dan Mason, John Wright, Richard Morris, Goya Wanamethee, Peter Whincup, Yoav Ben-Shlomo, Stela McLachlan, Jackie F Price, Mika Kivimaki, Catherine Welch, Adelaida Sanchez-Galvez, Pedro Marques-Vidal, Andrew Nicolaides, Andrie G Panayiotou, N Charlotte Onland-Moret, Yvonne T van der Schouw, Giuseppe Matullo, Giovanni Fiorito, Simonetta Guarrera, Carlotta Sacerdote, Nicholas J Wareham, Claudia Langenberg, Robert Scott, Jian'an Luan, Martin Bobak, Sofia Malyutina, Andrzej Pająk, Ruzena Kubinova, Abdonas Tamosiunas, Hynek Pikhart, Lise Lotte Nystrup Husemoen, Niels Grarup, Oluf Pedersen, Torben Hansen, Allan Linneberg, Kenneth Starup Simonsen, Jackie Cooper, Steve E Humphries, Murray Brilliant, Terrie Kitchner, Hakon Hakonarson, David S Carrell, Catherine A McCarty, H Lester Kirchner, Eric B Larson, David R Crosslin, Mariza de Andrade, Dan M Roden, Joshua C Denny, Cara Carty, Stephen Hancock, John Attia, Elizabeth Holliday, Martin O' Donnell, Salim Yusuf, Michael Chong, Guillaume Pare, Pim van der Harst, M Abdullah Said, Ruben N Eppinga, Niek Verweij, Harold Snieder, Tim Christen, Dennis O Mook-Kanamori, Stefan Gustafsson, Lars Lind, Erik Ingelsson, Raha Pazoki, Oscar Franco, Albert Hofman, Andre Uitterlinden, Abbas Dehghan, Alexander Teumer, Sebastian Baumeister, Marcus Dörr, Markus M Lerch, Uwe Völker, Henry Völzke, Joey Ward, Jill P Pell, Daniel J Smith, Tom Meade, Anke H Maitland-van der Zee, Ekaterina V Baranova, Robin Young, Ian Ford, Archie Campbell, Sandosh Padmanabhan, Michiel L Bots, Diederick E Grobbee, Philippe Froguel, Dorothée Thuillier, Beverley Balkau, Amélie Bonnefond, Bertrand Cariou, Melissa Smart, Yanchun Bao, Meena Kumari, Anubha Mahajan, Paul M Ridker, Daniel I Chasman, Alex P Reiner, Leslie A Lange, Marylyn D Ritchie, Folkert W Asselbergs, Juan-Pablo Casas, Brendan J Keating, David Preiss, Aroon D Hingorani, Naveed Sattar
BACKGROUND: Statin treatment and variants in the gene encoding HMG-CoA reductase are associated with reductions in both the concentration of LDL cholesterol and the risk of coronary heart disease, but also with modest hyperglycaemia, increased bodyweight, and modestly increased risk of type 2 diabetes, which in no way offsets their substantial benefits. We sought to investigate the associations of LDL cholesterol-lowering PCSK9 variants with type 2 diabetes and related biomarkers to gauge the likely effects of PCSK9 inhibitors on diabetes risk...
November 28, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27908629/evaluation-of-the-cytotoxicity-genotoxicity-and-mucus-permeation-capacity-of-several-surface-modified-poly-anhydride-nanoparticles-designed-for-oral-drug-delivery
#18
T Iglesias, A López de Cerain, Juan Manuel Irache, N Martín-Arbella, M Wilcox, J Pearson, A Azqueta
The main concerns with drugs designed for oral administration are their inactivation or degradation in the harsh conditions of the gastrointestinal tract, their poor solubility through the gastrointestinal mucus gel layer, the poor intestinal epithelium permeability that limits their absorption, and their toxicity. In this context, poly(anhydride) nanoparticles are capable of protecting the drug from the harsh environment, reduce the drug's toxicity and, by virtue of surface modification, to enhance or reduce their mucus permeability and the bioadhesion to specific target cells...
November 28, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27908409/evaluation-of-sulfur-isotopic-enrichment-of-urine-metabolites-for-the-differentiation-of-healthy-and-prostate-cancer-mice-after-the-administration-of-34-s-labelled-yeast
#19
Oscar Galilea San Blas, Fernando Moreno Sanz, Pilar Herrero Espílez, Rosa María Sainz Menéndez, Juan Carlos Mayo Barallo, Juan Manuel Marchante-Gayón, José Ignacio García Alonso
Sulfur isotopic enrichment of urine metabolites in healthy and prostate cancer mice using (34)S enriched yeast and High Performance Liquid Chromatography coupled to Multicollector Inductively Coupled Plasma Mass Spectrometry (HPLC-MC-ICP-MS) has been evaluated. A 30 weeks experiment (since the eleventh to the fortieth week of life) was carried out collecting the urine of three healthy mice and three transgenic mice with prostate cancer during 24h after a single oral administration of a (34)S enriched yeast slurry...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908349/truncating-flnc-mutations-are-associated-with-high-risk-dilated-and-arrhythmogenic-cardiomyopathies
#20
Martín F Ortiz-Genga, Sofía Cuenca, Matteo Dal Ferro, Esther Zorio, Ricardo Salgado-Aranda, Vicente Climent, Laura Padrón-Barthe, Iria Duro-Aguado, Juan Jiménez-Jáimez, Víctor M Hidalgo-Olivares, Enrique García-Campo, Chiara Lanzillo, M Paz Suárez-Mier, Hagith Yonath, Sonia Marcos-Alonso, Juan P Ochoa, José L Santomé, Diego García-Giustiniani, Jorge L Rodríguez-Garrido, Fernando Domínguez, Marco Merlo, Julián Palomino, María L Peña, Juan P Trujillo, Alicia Martín-Vila, Davide Stolfo, Pilar Molina, Enrique Lara-Pezzi, Francisco E Calvo-Iglesias, Eyal Nof, Leonardo Calò, Roberto Barriales-Villa, Juan R Gimeno-Blanes, Michael Arad, Pablo García-Pavía, Lorenzo Monserrat
BACKGROUND: Filamin C (encoded by the FLNC gene) is essential for sarcomere attachment to the plasmatic membrane. FLNC mutations have been associated with myofibrillar myopathies, and cardiac involvement has been reported in some carriers. Accordingly, since 2012, the authors have included FLNC in the genetic screening of patients with inherited cardiomyopathies and sudden death. OBJECTIVES: The aim of this study was to demonstrate the association between truncating mutations in FLNC and the development of high-risk dilated and arrhythmogenic cardiomyopathies...
December 6, 2016: Journal of the American College of Cardiology
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