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https://www.readbyqxmd.com/read/27919998/high-risk-of-tumor-lysis-syndrome-in-symptomatic-patients-with-multiple-myeloma-with-renal-dysfunction-treated-with-bortezomib
#1
Kana Oiwa, Mihoko Morita, Shinji Kishi, Miyuki Okura, Toshiki Tasaki, Yasufumi Matsuda, Katsunori Tai, Naoko Hosono, Takanori Ueda, Takahiro Yamauchi
BACKGROUND/AIM: Tumor lysis syndrome (TLS) is a life-threatening complication associated with cancer chemotherapy. We retrospectively evaluated the risk of developing TLS in patients with symptomatic multiple myeloma undergoing chemotherapy. PATIENTS AND METHODS: Sixty-four patients (median age=71 years, range=48-87 years, 35 males/29 females) who were treated at our Institution between April 2006 and December 2015 were evaluated. RESULTS: A total of 124 chemotherapy courses were administered, of which 63 courses were bortezomib-based regimens and 34 courses were immunomodulatory drug (IMiD)-based regimens...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27918026/infrared-dynamics-study-of-thermally-treated-perfluoroimide-acid-proton-exchange-membranes
#2
L Puskar, E Ritter, U Schade, M Yandrasits, S J Hamrock, M Schaberg, E F Aziz
The temperature induced dehydration process of the 3M Brand perfluoroimide acid (PFIA), an advanced proton exchange membrane for fuel cells, was studied by in situ infrared spectroscopy to understand proton transport processes under conditions of low hydration levels. A comprehensive assignment of the vibrational bands of PFIA in the mid infrared region is provided. Investigation of the kinetics in conjunction with 2D correlation spectroscopy methods revealed the sequential process of the hydration and dehydration in a conclusive model...
December 5, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27916902/synthesis-and-biological-evaluation-of-novel-aromatic-imide-polyamine-conjugates
#3
Ming Li, Yuxia Wang, Jianying Zhang, Songqiang Xie, Chaojie Wang, Yingliang Wu
Three types of conjugates in which aromatic imide scaffolds were coupled to diverse amine/polyamine motifs were synthesized, and their antitumor activities were evaluated in vitro and in vivo. Results showed that the conjugate 11e of 1,8-naphthilimide with spermine had pronounced effects on inhibiting tumor cell proliferation and inducing tumor cell apoptosis via ROS-mediated mitochondrial pathway. The in vivo assays on three H22 tumor transplant models revealed that compound 11e exerted potent ability in preventing lung cancer metastasis and extending lifespan...
November 30, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27908097/molecular-dynamics-analysis-of-the-effect-of-electronic-polarization-on-the-structure-and-single-particle-dynamics-of-mixtures-of-ionic-liquids-and-lithium-salts
#4
Volker Lesch, Hadrián Montes-Campos, Trinidad Méndez-Morales, Luis Javier Gallego, Andreas Heuer, Christian Schröder, Luis M Varela
We report a molecular dynamics study on the effect of electronic polarization on the structure and single-particle dynamics of mixtures of the aprotic ionic liquid 1-ethyl-3-methylimidazolium bis-(trifluoromethylsulfonyl)-imide ([EMIM][TFSI]) doped with a lithium salt with the same anion at 298 K and 1 bar. In particular, we analyze the effect of electron density fluctuations on radial distribution functions, velocity autocorrelation functions, cage correlation functions, mean-squared displacements, and vibrational densities of states, comparing the predictions of the quantum-chemistry-based Atomistic Polarizable Potential for Liquids, Electrolytes, & Polymers (APPLE&P) with those of its nonpolarizable version and those of the standard non-polarizable Optimized Potentials for Liquid Simulations-All Atom (OPLS-AA)...
November 28, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/27905602/achieving-enhanced-ionic-mobility-in-nanoporous-silica-by-controlled-surface-interactions
#5
Mounesha Nagendrachar Garaga, Luis Aguilera, Negin Yaghini, Aleksandar Matic, Michael Persson, Anna Martinelli
We report a strategy to enhance the ionic mobility in an emerging class of gels, based on robust nanoporous silica micro-particles, by chemical functionalization of the silica surface. Two very different ionic liquids are used to fill the nano-pores of silica at varying pore filling factors, namely one aprotic imidazolium based (1-methyl-3-hexylimidazolium bis(trifluoromethanesulfonyl)imide, C6C1ImTFSI), and one protic ammonium based (diethylmethylammonium methanesulfonate, DEMAOMs) ionic liquid. Both these ionic liquids display higher ionic mobility when confined in functionalized silica as compared to untreated silica nano-pores, an improvement that is more pronounced at low pore filling factors (i...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27905590/direct-measurements-of-ionic-liquid-layering-at-a-single-mica-liquid-interface-and-in-nano-films-between-two-mica-liquid-interfaces
#6
Lucy R Griffin, Kathryn L Browning, Stuart M Clarke, Alexander M Smith, Susan Perkin, M W A Skoda, Sarah E Norman
The layering of ionic liquids close to flat, charged interfaces has been identified previously through theoretical and some experimental measurements. Here we present evidence for oscillations in ion density ('layering') in a long chain ionic liquid (1-decyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide) near the interface with mica using two complementary approaches. Neutron reflection at the ionic liquid-mica interface is used to detect structure at a single interface, and surface force balance (SFB) measurements carried out with the same ionic liquid reveal oscillatory density in the liquid confined between two mica sheets...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27904139/interphase-fluorescence-in-situ-hybridization-ifish-in-untreated-al-amyloidosis-has-an-independent-prognostic-impact-by-abnormality-type-and-treatment-category
#7
E Muchtar, A Dispenzieri, S K Kumar, R P Ketterling, D Dingli, M Q Lacy, F K Buadi, S R Hayman, P Kapoor, N Leung, R Chakraborty, W Gonsalves, R Warsame, T V Kourelis, S Russell, J A Lust, Y Lin, R S Go, S Zeldenrust, R A Kyle, S V Rajkumar, M A Gertz
The significance of interphase fluorescence in-situ hybridization (iFISH) by regimen type was assessed in 692 AL amyloidosis patients with iFISH at diagnosis. First line treatment was categorized as stem cell transplant and three non-transplant regimens. The most common abnormality was t(11;14) (49% of patients) followed by monosomy 13/del(13q) (36%) and trisomies (26%). A lower rate of very good partial response (VGPR) or better was observed in patients with t(11;14) treated with bortezomib-based (52 vs 77%; P=0...
December 1, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27890933/preclinical-activity-of-cpi-0610-a-novel-small-molecule-bromodomain-and-extra-terminal-protein-inhibitor-in-the-therapy-of-multiple-myeloma
#8
K T Siu, J Ramachandran, A J Yee, H Eda, L Santo, C Panaroni, J A Mertz, R J Sims, M R Cooper, N Raje
Inhibition of the bromodomain and extra-terminal (BET) proteins is a promising therapeutic strategy for various hematologic cancers. Previous studies suggest that BET inhibitors constrain tumor cell proliferation and survival mainly through suppression of MYC transcription and activity. However, suppression of the transcription of additional genes also contributes to the anti-tumor activity of BET inhibitors but is less well understood. Here we examined the therapeutic potential of CPI-0610, a potent BET inhibitor currently undergoing Phase I clinical testing, in multiple myeloma (MM)...
November 28, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27888768/multiple-myeloma-treatment-at-relapse-after-autologous-stem-cell-transplantation-a-practical-analysis
#9
REVIEW
F Malard, J L Harousseau, M Mohty
Over the past decade, significant advances have been made in the field of multiple myeloma. Introduction of the so-called novel agents, proteasome inhibitors (PI) and immunomodulatory drugs (IMiD), and improved supportive care have resulted in significantly better outcome. Standard first line treatment in fit patients include PI and IMiD based induction, high dose melphalan with autologous hematopoietic stem cell transplantation (ASCT) and consolidation/maintenance. However, despite these progresses MM remains incurable for the majority of patients and most patients will relapse...
November 15, 2016: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/27886307/a-simple-guiding-principle-for-the-temperature-dependence-of-the-solubility-of-light-gases-in-imidazolium-based-ionic-liquids-derived-from-molecular-simulations
#10
Daniela Kerlé, Majid Namayandeh Jorabchi, Ralf Ludwig, Sebastian Wohlrab, Dietmar Paschek
We have determined the temperature dependence of the solvation behavior of a large collection of important light gases in imidazolium-based ionic liquids with the help of extensive molecular dynamics simulations. The motivation of our study is to unravel common features of the temperature dependent solvation under well controlled conditions, and to provide a guidance for cases, where experimental data from different sources disagree significantly. The solubility of molecular hydrogen, oxygen, nitrogen, methane, krypton, argon, neon and carbon dioxide in the imidazolium based ionic liquids of type 1-n-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([Cnmim][NTf2]) with varying alkyl side chain lengths n = 2, 4, 6, 8 is computed for a temperature range between 300 K and 500 K at 1 bar...
November 25, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27886281/green-and-highly-efficient-synthesis-of-perylene-and-naphthalene-bisimides-in-nothing-but-water
#11
Bettina Baumgartner, Anastasiya Svirkova, Johannes Bintinger, Christian Hametner, Martina Marchetti-Deschmann, Miriam M Unterlass
High-purity, symmetrically substituted perylene and naphthalene bisimides were obtained by hydrothermal condensation of monoamines with the corresponding bisanhydride. The hydrothermal imidization proceeds quantitatively, without the need for organic solvents, catalysts or excess of the amines.
November 25, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27886001/strategy-for-the-hemocompatibility-testing-of-microparticles
#12
S Braune, S Basu, K Kratz, J Bäckemo Johansson, M Reinthaler, A Lendlein, F Jung
Polymer-based microparticles are applied as non-thrombogenic or thrombogenic materials in a wide variety of intra- or extra-corporeal medical devices. As demanded by the regulatory agencies, the hemocompatibility of these blood contacting biomaterials has to be evaluated in vitro to ensure that the particle systems appropriately fulfill the envisioned function without causing undesired events such as thrombosis or inflammation. Currently described in vitro assays for hemocompatibility testing of particles comprise tests with different single cell types (e...
November 23, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27879147/pre-transplantation-novel-agent-induction-predicts-progression-free-survival-for-patients-with-immunoglobulin-light-chain-amyloidosis-undergoing-high-dose-melphalan-and-autologous-stem-cell-transplantation
#13
Andrew J Cowan, Zandra K Klippel, Philip A Stevenson, Teresa S Hyun, Sherilyn Tuazon, Pamela S Becker, Damian J Green, Leona A Holmberg, David G Coffey, Ajay K Gopal, Edward N Libby
INTRODUCTION: High-dose melphalan and autologous stem cell transplantation (HDM/SCT) is an effective treatment modality for immunoglobulin light-chain (AL) amyloidosis; however, its application remains restricted to patients with good performance status and limited organ involvement. In recent years, the paradigm for AL amyloidosis has changed with the introduction of novel agents such as immunomodulatory drugs (IMiDs) and proteasome inhibitors (PIs). We hypothesized that use of novel agent induction regimens has improved outcomes for patients with AL amyloidosis undergoing HDM/SCT at our center...
December 2016: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/27879062/preparation-of-heteroaromatic-aryl-iodonium-imides-as-i-n-bond-containing-hypervalent-iodine
#14
Kazuma Ishida, Hideo Togo, Katsuhiko Moriyama
Hypervalent iodine(III) compounds containing iodine-nitrogen bonds are very attractive amination reagents in organic synthesis. Heteroaromatic (aryl)iodonium imides containing a iodine-nitrogen bond and a hypervalent iodine(III) atom were prepared from heteroarenes, bis(sulfon)imides and (diacetoxyiodo)arenes under mild conditions. These compounds were stable under air and in organic solvents, and could be easily purified by precipitation. X-ray crystal structure analysis indicated that the structure of N-pivaloyl indolyl(phenyl)iodonium bis(tosyl)imides and N-pivaloyl indolyl(2-butoxyphenyl)iodonium bis(tosyl)imides was a dimer with a T-shaped geometry at the iodine atom linked to an indole group and a bis(tosyl)imide by a monomer unit...
November 23, 2016: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/27877902/grafting-the-surface-of-carbon-nanotubes-and-carbon-black-with-the-chemical-properties-of-hyperbranched-polyamines
#15
Francisco Morales-Lara, María Domingo-García, Rafael López-Garzón, María Luz Godino-Salido, Antonio Peñas-Sanjuán, F Javier López-Garzón, Manuel Pérez-Mendoza, Manuel Melguizo
Controlling the chemistry on the surface of new carbon materials is a key factor to widen the range of their applicability. In this paper we show a grafting methodology of polyalkylamines to the surface of carbon nanomaterials, in particular, carbon nanotubes and a carbon black. The aim of this work is to reach large degrees of covalent functionalization with hyperbranched polyethyleneimines (HBPEIs) and to efficiently preserve the strong chelating properties of the HBPEIs when they are fixed to the surface of these carbon materials...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27876460/imo-8400-a-toll-like-receptor-7-8-and-9-antagonist-demonstrates-clinical-activity-in-a-phase-2a-randomized-placebo-controlled-trial-in-patients-with-moderate-to-severe-plaque-psoriasis
#16
Deepak M W Balak, Martijn B A van Doorn, Robert D Arbeit, Rianne Rijneveld, Erica Klaassen, Tim Sullivan, Julie Brevard, H Bing Thio, Errol P Prens, J Koos Burggraaf, Robert Rissmann
BACKGROUND: Aberrant toll-like receptors (TLRs) 7, 8, and 9 activation by self-nucleic acids is implicated in immune-mediated inflammatory diseases (IMIDs) such as psoriasis. In preclinical IMID models, blocking TLR-activation reduced disease severity. IMO-8400 is a first-in-class, oligonucleotide-based antagonist of TLRs 7, 8, and 9. We evaluated the short-term safety and proof-of-concept for efficacy of IMO-8400 in a first-in-patient phase 2 trial. METHODS: Forty-six psoriasis patients were randomly assigned to IMO-8400 in four dose levels or placebo for 12weeks...
November 19, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27867671/retreatment-with-bendamustine-bortezomib-dexamethasone-in-a-patient-with-relapsed-refractory-multiple-myeloma
#17
Claudio Cerchione, Davide Nappi, Maria Di Perna, Irene Zacheo, Anna Emanuele Pareto, Marco Picardi, Lucio Catalano, Fabrizio Pane
The clinical management of relapsed/refractory multiple myeloma and the correct choice of the most suitable therapy in heavily pretreated and fragile patients are tough clinical issues for clinicians. In advanced phases of disease, the choice of available therapies becomes very poor, and the retreatment with previously adopted and effective therapy, although unpredictable, could be an effective option. In this report, we describe the clinical history of a patient, previously treated with 9 lines of therapy, refractory to bortezomib and IMIDs, for whom the retreatment with bendamustine resulted in a stable disease with good quality of life...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27864111/secondary-metabolites-from-tetracera-potatoria-stem-bark-with-anti-mycobacterial-activity
#18
McY Fomogne-Fodjo, D T Ndinteh, D K Olivier, P Kempgens, S van Vuuren, Rwm Krause
ETHNOPHARMACOLOGICAL RELEVANCE: Tetracera potatoria Afzel.Exg.Don (Dilleniaceae) is a medicinal plant used traditionally in Africa for the treatment of tuberculosis related ailments and respiratory infections. The antibacterial activity of the medium polar extracts of T. potatoria leaves and stem bark was recently reported against Mycobacterium smegmatis (MIC 25µg/mL) and M. aurum (65µg/mL), two fast-growing Mycobacterium strains used as model micro-organisms for the more pathogenic strain Mycobacterium tuberculosis (Fomodje-Fodjo et al...
November 15, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27862878/suppression-of-aluminum-current-collector-dissolution-by-protective-ceramic-coatings-for-better-high-voltage-battery-performance
#19
Andreas Heckmann, Manuel Krott, Benjamin Streipert, Sven Uhlenbruck, Martin Winter, Tobias Placke
Batteries based on cathode materials that operate at high cathode potentials, such as LiNi0.5Mn1.5O4 (LNMO) in lithium ion batteries or graphitic carbons in dual-ion batteries suffer from anodic dissolution of the aluminum (Al) current collector in organic solvent-based electrolytes based on imide salts, such as lithium bis(trifluoromethanesulfonyl) imide (LiTFSI). In this work, we developed a protective surface modification for the Al current collector by ceramic coatings of chromium nitride (CrxN) and studied the anodic Al dissolution behavior...
November 14, 2016: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/27862546/branched-1-2-3-triazolium-functionalized-polyacetylene-with-enhanced-conductivity
#20
Jianhua Wu, Cuifang Wang, Dandan Zhou, Xiaojuan Liao, Meiran Xie, Ruyi Sun
Metathesis cyclopolymerization of mono- or bissubstituted 1,6-heptadiynes is undergone to generate the ionic polyacetylenes (iPAs) with branched 1,2,3-ttriazolium pendants, which possess relatively high intrinsic ionic conductivities of 1.4 × 10(-5) -2.1 × 10(-5) S cm(-1) at 30 °C. The doping treatment with lithium bis(trifluoromethanesulfonyl)imide endows iPAs with enhanced ionic conductivities of 2.5 × 10(-5) -4.3 × 10(-5) S cm(-1) . Further doping with iodine, iPAs show ionic and electronic dual conductivities of 4...
November 15, 2016: Macromolecular Rapid Communications
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