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https://www.readbyqxmd.com/read/29151076/modulation-of-the-endocannabinoid-system-by-the-fatty-acid-amide-hydrolase-monoacylglycerol-and-diacylglycerol-lipase-inhibitors-as-an-attractive-target-for-secretory-diarrhoea-therapy
#1
A Wasilewski, A Misicka, M Sacharczuk, J Fichna
Secretory diarrhoea is a leading cause of mortality and morbidity worldwide. Our aim was to characterize the effect of inhibition of selected enzymes involved in the synthesis or degradation of endocannabinoids on electrolyte equilibrium in the mouse colonic tissue. The aim of this study was to evaluate the effects of PF-3845, JZL-184 and RHC-80267, as inhibitors of fatty acid amide hydrolase (FAAH), monoacylglycerol (MAGL) and diacylglycerol lipase (DAGL), respectively on epithelial ion transport in isolated mouse colon stimulated by forskolin (FSK), veratridine (VER) and bethanechol (BET)...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29150138/new-hybrid-adsorbent-based-on-porphyrin-functionalized-silica-for-heavy-metals-removal-synthesis-characterization-isotherms-kinetics-and-thermodynamics-studies
#2
Smaail Radi, Chahrazad El Abiad, Nuno M M Moura, Maria A F Faustino, M Graça P M S Neves
The pollution of water resources due to the disposal of toxic heavy metals has been a growing global concern for the last decades. For this purpose, the search for effective and economic material based adsorbents is required, due to the efficiency of the process. In this work, a novel inorganic-organic hybrid material based on silica chemically modified with a porphyrin (SiNTPP), with a high metal removal efficiency, was developed. The new material was characterized using a set of suitable techniques such as (13)C NMR of the solid state, elemental analysis, FTIR, nitrogen adsorption-desorption isotherm, BET surface area, BJH pore sizes and scanning electron microscopy (SEM)...
November 7, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29149693/near-infrared-spectroscopy-based-monitoring-of-extraction-processes-of-raw-material-with-the-help-of-dynamic-predictive%C3%A2-modeling
#3
Haixia Wang, Tongchuan Suo, Xiaolin Wu, Yue Zhang, Chunhua Wang, Heshui Yu, Zheng Li
The control of batch-to-batch quality variations remains a challenging task for pharmaceutical industries, e.g., traditional Chinese medicine (TCM) manufacturing. One difficult problem is to produce pharmaceutical products with consistent quality from raw material of large quality variations. In this paper, an integrated methodology combining the near infrared spectroscopy (NIRS) and dynamic predictive modeling is developed for the monitoring and control of the batch extraction process of licorice. With the spectra data in hand, the initial state of the process is firstly estimated with a state-space model to construct a process monitoring strategy for the early detection of variations induced by the initial process inputs such as raw materials...
November 10, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29149598/harnessing-bet-inhibitor-sensitivity-reveals-amigo2-as-a-melanoma-survival-gene
#4
Barbara Fontanals-Cirera, Dan Hasson, Chiara Vardabasso, Raffaella Di Micco, Praveen Agrawal, Asif Chowdhury, Madeleine Gantz, Ana de Pablos-Aragoneses, Ari Morgenstern, Pamela Wu, Dan Filipescu, David Valle-Garcia, Farbod Darvishian, Jae-Seok Roe, Michael A Davies, Christopher R Vakoc, Eva Hernando, Emily Bernstein
Bromodomain and extraterminal domain inhibitors (BETi) represent promising therapeutic agents for metastatic melanoma, yet their mechanism of action remains unclear. Here we interrogated the transcriptional effects of BETi and identified AMIGO2, a transmembrane molecule, as a BET target gene essential for melanoma cell survival. AMIGO2 is upregulated in melanoma cells and tissues compared to human melanocytes and nevi, and AMIGO2 silencing in melanoma cells induces G1/S arrest followed by apoptosis. We identified the pseudokinase PTK7 as an AMIGO2 interactor whose function is regulated by AMIGO2...
November 16, 2017: Molecular Cell
https://www.readbyqxmd.com/read/29148599/hierarchical-porous-phenolic-resin-and-its-supported-pd-catalyst-for-suzuki-miyaura-reactions-in-water-medium
#5
Gaoyang Deng, Zhonggang Wang
The motivation of this work is to build micro and mesopores within phenolic resins to extend their applications to the heterogeneous catalysis field. For this purpose, porous hyper-cross-linked phenolic resin (PFN-P) with Brunauer-Emmett-Teller (BET) surface area of 775 m(2) g(-1) is synthesized through one-step polycondensation from tri(4-formylphenyl)phosphine and 2,5-dihydroxy-1,4-benzoquinone, which simultaneously contains abundant hydroxyl and triphenylphosphine moieties in the network. The resultant palladium-coordinated Pd@PFN-P possesses hierarchical porous structure with pore sizes ranging from 1...
November 17, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29144291/effective-adsorption-of-nitroaromatics-at-the-low-concentration-by-a-newly-synthesized-hypercrosslinked-resin
#6
Chuanhong Wang, Chao Xu, Weizhi Sun, Fusheng Liu, Shitao Yu, Mo Xian
In the present study, a series of hypercrosslinked resins (CH series) was prepared in systematically designed conditions for the adsorption of nitroaromatics from aqueous solution. The newly synthesized CH-10 possesses a Brunauer-Emmett-Teller (BET) surface area up to 1,329.3 m(2)/g which is larger than that of the widely used hypercrosslinked resin H-103 and it exhibits great advantage over H-103 when subjected to nitrobenzene at low concentrations. The adsorption capacity of CH-10 for nitrobenzene is 1.4 times as much as that of H-103 at the concentration of 100 mg/L...
November 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29143737/validation-of-elisa-methods-for%C3%A2-quantification-of-the-major-birch-allergen-bet-v-1-bsp090
#7
S Kaul, J Zimmer, O Dehus, A Constanzo, A DaasConstanzo, K-H Buchheit, J Asturias, M C Arilla, D Barber, A Bertocchi, B Brunetto, J A Carnes, M Chapman, G Chaudemanche, J Dayan-Kenigsberg, S Döring, F Führer, M T Gallego, P Iacovacci, K M Hanschmann, T Holzhauser, M Hrabina, A Ledesma, P Moingeon, E Nony, C Pini, G Plunkett, M Raulf, G Reese, E Sandberg, I Sander, B Smith, D Strecker, C Valerio, R van Ree, B Weber, S Vieths
To date, the potency of allergen products in Europe is expressed in manufacturer-specific units relative to a product-specific in-house reference. Consequently, cross-product comparability of allergen products from different manufacturers with respect to strength and efficacy is impossible. The Biological Standardisation Programme (BSP) project BSP090 addresses this issue via the establishment of reference standards in conjunction with ELISA methods for the quantification of major allergens in allergen products...
2017: Pharmeuropa Bio & Scientific Notes
https://www.readbyqxmd.com/read/29143576/a-nationwide-study-of-health-related-quality-of-life-stress-pain-or-discomfort-and-the-use-of-medicine-among-problem-gamblers
#8
Ola Ekholm, Michael Davidsen, Christina Viskum Lytken Larsen, Knud Juel
AIM: The aim of this study was to investigate the associations between problem gambling and health-related quality of life, stress, pain or discomfort and the use of analgesics and sleeping pills. METHODS: Data derives from the Danish Health and Morbidity Survey 2010. The survey was based on a random sample of 25,000 adult Danes (response rate: 61%), and data were collected via a self-administered questionnaire. The Lie/Bet Questionnaire was used as the screening instrument for problem gambling...
November 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/29143263/enhanced-stabilization-of-pb-zn-and-cd-in-contaminated-soils-using-oxalic-acid-activated-phosphate-rocks
#9
Zhuo Zhang, Guanlin Guo, Mei Wang, Jia Zhang, Zhixin Wang, Fasheng Li, Honghan Chen
Phosphate amendments, especially phosphate rock (PR), are one of the most commonly used materials to stabilize heavy metals in contaminated soils. However, most of PR reserve consists of low-grade ore, which limits the efficiency of PR for stabilizing heavy metals. This study was to enhance the stabilization of heavy metals through improving the available phosphorous (P) release of PR by oxalic acid activation. Raw PR and activated PR (APR) were characterized by scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS), X-ray powder diffraction (XRD), Brunauer-Emmett-Teller (BET) surface analysis, and laser diffraction to determine the changes of structure and composition of APR...
November 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29143098/cervicofacial-and-mediastinal-emphysema-after-balloon-eustachian-tuboplasty-bet-a-retrospective-multicenter-analysis
#10
Theodoros Skevas, Carsten V Dalchow, Sara Euteneuer, Holger Sudhoff, Götz Lehnerdt
PURPOSE: Balloon Eustachian tuboplasty (BET) is a new treatment modality addressing chronic obstructive dysfunction of the Eustachian tube (ET). So far, BET has been deemed a safe procedure under general anesthesia with only minor adverse effects. However, individual cases of postoperative emphysema have been reported. In the present retrospective multicenter analysis we determined the incidence rate of this potentially life threatening complication after BET. METHODS: In total we collected data from 3,670 BET procedures performed on 2,272 patients in four tertiary care ENT departments...
November 15, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29142067/jq1-induces-dna-damage-and-apoptosis-and-inhibits-tumor-growth-in-a-patient-derived-xenograft-model-of-cholangiocarcinoma
#11
Patrick L Garcia, Aubrey L Miller, Tracy L Gamblin, Leona N Council, John D Christein, J Pablo Arnoletti, Marty J Heslin, Sushanth Reddy, Joseph H Richardson, Xiangqin Cui, Robert C A M van Waardenburg, James E Bradner, Eddy S Yang, Karina J Yoon
Cholangiocarcinoma (CCA) is a fatal disease with a five-year survival of <30%. For a majority of patients chemotherapy is the only therapeutic option, and virtually all patients relapse. Gemcitabine is the frontline agent for treatment of CCA. Patients treated with gemcitabine monotherapy survive ~8 months. Combining this agent with cisplatin increases survival by ~3 months, but neither regimen produces durable remissions. The molecular etiology of this disease is poorly understood. To facilitate molecular characterization and development of effective therapies for CCA, we established a panel of patient-derived xenograft (PDX) models of CCA...
November 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29139493/novel-fullerene-based-porous-materials-constructed-by-a-solvent-knitting-strategy
#12
Chengxin Zhang, Shaolei Wang, Bien Tan
Here we choose a dihydronaphthyl-functionalized C60 fullerene as a building block and utilize a novel solvent knitting strategy based on Friedel-Crafts alkylation reaction to construct two kinds of novel porous materials by using dichloromethane (DCM) and 1,2-dichloroethane (DCE) as solvents and external crosslinkers. The resulting porous materials show relatively high apparent BET surface areas and gas uptake abilities.
November 15, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29139478/trigger-happy-resident-memory-cd4-t-cells-inhabit-the-human-lungs
#13
A E Oja, B Piet, C Helbig, R Stark, D van der Zwan, H Blaauwgeers, E B M Remmerswaal, D Amsen, R E Jonkers, P D Moerland, M A Nolte, R A W van Lier, P Hombrink
Resident memory T cells (TRM) reside in the lung epithelium and mediate protective immunity against respiratory pathogens. Although lung CD8(+) TRM have been extensively characterized, the properties of CD4(+) TRM remain unclear. Here we determined the transcriptional signature of CD4(+) TRM, identified by the expression of CD103, retrieved from human lung resection material. Various tissue homing molecules were specifically upregulated on CD4(+) TRM, whereas expression of tissue egress and lymph node homing molecules were low...
November 15, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29139476/detection-of-hiv-1-specific-gastrointestinal-tissue-resident-cd8-t-cells-in-chronic-infection
#14
Brenna E Kiniry, Shengbin Li, Anupama Ganesh, Peter W Hunt, Ma Somsouk, Pamela J Skinner, Steven G Deeks, Barbara L Shacklett
Tissue-resident memory (TRM) CD8(+) T-cells are non-recirculating, long-lived cells housed in tissues that can confer protection against mucosal pathogens. Human immunodeficiency virus-1 (HIV-1) is a mucosal pathogen and the gastrointestinal tract is an important site of viral pathogenesis and transmission. Thus, CD8(+) TRM cells may be an important effector subset for controlling HIV-1 in mucosal tissues. This study sought to determine the abundance, phenotype, and functionality of CD8(+) TRM cells in the context of chronic HIV-1 infection...
November 15, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29138867/effect-of-xanthohumol-on-th1-th2-balance-in-a-breast-cancer-mouse-model
#15
Wenchao Zhang, Yanlong Pan, Panhong Gou, Cheng Zhou, Lianqing Ma, Qiming Liu, Yuping Du, Jinbo Yang, Qin Wang
Xanthohumol (XN), a prenylflavonoid found in the hop plant, Humulus lupulus, exhibits a variety of biological activities. Numerous studies have reported that XN inhibits the growth of many types of cancer cells, but the effects of XN on tumor immunity have not yet been studied. We explored the effect of XN on Th1/Th2 balance and the underlying mechanism based on a BALB/c-4T1 breast cancer mouse model. The results showed that XN significantly slowed down tumor growth and inhibited expression of antitumor proliferation protein Ki-67 as well as breast cancer-specific marker cancer antigen 15-3 (CA15-3)...
November 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29137797/fabrication-of-g-c3n4-nio-heterostructured-nanocomposite-modified-glassy-carbon-electrode-for-quercetin-biosensor
#16
S Selvarajan, A Suganthi, M Rajarajan
Herein, we report a one-pot synthesis of structurally uniform and electrochemically active graphitic carbon nitride/nickel oxide (g-C3N4/NiO) nanocomposite and an investigation on the electrocatalytic oxidation of quercetin (QR). The synthesized g-C3N4/NiO nanocomposite has uniform surface distribution, which was characterized with scanning electron microscopy (SEM). Moreover, the composition of synthesized g-C3N4/NiO nanocomposite was characterized by UV-vis-spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR spectra), BET, SEM and HRTEM...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137795/cerium-substituted-magnetite-fabrication-characterization-and-sonocatalytic-activity-assessment
#17
Alireza Khataee, Ramin Hassandoost, Shima Rahim Pouran
The present paper reports the sonocatalytic activity of cerium-substituted-magnetite for removal of oxytetracycline (OTC). The catalyst was prepared through a chemical route (co-precipitation, Fe3-xCexO4) and a mechanical procedure (CeO2/Fe3O4). Subsequently, the physico-chemical characteristics of both samples were determined using XRD, BET, SEM, EDX, TEM, Dot-mapping, FT-IR, DRS, and VSM analysis and compared to pristine magnetite and ceria. Afterwards, the effects of various operational conditions were assessed on sonocatalytic performance of Fe2...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137788/ultrasonic-assisted-manufacturing-of-new-hydrogel-nanocomposite-biosorbent-containing-calcium-carbonate-nanoparticles-and-tragacanth-gum-for-removal-of-heavy-metal
#18
Shadpour Mallakpour, Amir Abdolmaleki, Farbod Tabesh
This article reports the first incorporation of calcium carbonate nanoparticles (CC NPs) into tragacanth gum (TG) to prepare a new hydrogel nanocomposite (HNC) system using a green, safe, and eco-friendly method, ultrasound irradiation as an efficient biosorbent of heavy metal ions from wastewater. Morphological studies revealed that the surface of obtained HNCs is rough, homogeneous, and porous-like due to the embedding of CC NPs as well as sonication in comparison to the neat TG which has a smooth surface...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137781/preparation-of-novel-ceo2-biochar-nanocomposite-for-sonocatalytic-degradation-of-a-textile-dye
#19
Alireza Khataee, Peyman Gholami, Dimitrios Kalderis, Eleni Pachatouridou, Michalis Konsolakis
The sonocatalytic performance of CeO2 nanoparticles synthesized by a hydrothermal method (CeO2-H) and CeO2@biochar (CeO2-H@BC) nanocomposite, were evaluated for the degradation of Reactive Red 84 (RR84) under ultrasonic irradiation. For comparison purposes the corresponding performance of bare biochar (BC) and commercial CeO2 (CeO2-C) samples were also assessed. A complementary characterization study, involving scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Transmission electron microscopy (TEM), dynamic light scattering (DLS), X-ray diffraction (XRD), N2 adsorption at -196°C (Brunauer-Emmett-Teller (BET) method) and Fourier transform infrared spectroscopy (FT-IR) was undertaken to gain insight into the structure-performance relationships...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137751/enhanced-sonocatalytic-degradation-of-organic-dyes-from-aqueous-solutions-by-novel-synthesis-of-mesoporous-fe3o4-graphene-zno-sio2-nanocomposites
#20
Yonrapach Areerob, Ju Yong Cho, Won Kweon Jang, Won-Chun Oh
Fe3O4-graphene/ZnO@mesoporous-SiO2 (MGZ@SiO2) nanocomposites was synthesized via a simple one pot hydrothermal method. The as-obtained samples were investigated using various techniques, as follows: scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and specific surface area (BET) vibrating sample magnetometer (VSM), among others. The sonocatalytic activities of the catalysts were tested according to the oxidation for the removal of methylene blue (MB), methyl orange (MO), and rhodamine B (RhB) under ultrasonic irradiation...
March 2018: Ultrasonics Sonochemistry
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