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https://www.readbyqxmd.com/read/28446274/-efficacy-of-idarubicin-based-stratified-therapy-for-acute-promyelocytic-leukemia
#1
Wei Guan, Wen-Jun Li, Lan Yang, Yu Jing, Li Yu
OBJECTIVE: To investigate the remission rate of all-transretinoic acid (ATRA) combined with arsenics acid(ATO) on acute promyelocytic leukemia, and the efficacy and safety of sequential consolidation therapy with idarubicin, all-trans retinoic acid and arsenic trioxide/compound Huangdai tablet. METHODS: Between January 2011 and January 2016 years 22 patients with newly diagnosed acute promyelocytic leukemia who received ATRA combined with ATO till complete remission in our hospital were retrospectively analyzed...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28435738/crystal-structure-of-2-2-2-azanidyl-benzyl-idene-amino-benzyl-idene-amino-4-chloro-phenol-ato-nickel-ii
#2
Fumiya Kobayashi, Atsushi Koga, Ryo Ohtani, Shinya Hayami, Masaaki Nakamura
The title complex, [Ni(C20H14ClN3O)], with an asymmetrically chloride-appended Schiff base ligand has been synthesized and structurally characterized at 100 K. In the compound, the central nickel(II) ion has a square-planar coordination geometry with N3O donors of the π-conjugated tetra-dentate Schiff base ligand. In the crystal, the complexes are connected into an inversion dimer via an Ni⋯Ni inter-action [3.1753 (5) Å] and a pair of π-π inter-actions [centroid-centroid distance = 3.8416 (16) Å]...
April 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28435727/crystal-structure-of-bis-1-10-phenanthroline-%C3%AE%C2%BA-2-n-n-1-3-thia-zole-2-thiol-ato-%C3%AE%C2%BA-2-s-2-n-nickel-ii-hexa-fluorido-phosphate-1-4-dioxane-sesquisolvate
#3
Keisuke Kai, Tomohiko Hamaguchi, Isao Ando
The title salt, [Ni(C3H2NS2)(C12H8N2)2]PF6·1.5C4H8O2, was the unexpected product on making an attempt to prepare an [Ni(2-mercapto-thia-zol-ate)(1,10-phenanthroline)](+) complex by reaction of [NiCl2(1,10-phen-an-throline)] with 2-mercapto-thia-zolate. In the resulting complex, the 2-mercapto-thia-zolate anion acts as a chelating ligand, which coordinates to the Ni(II) ion with the thia-zolyl N and thiol-ate S atoms. In the crystal, π-π stacking inter-actions between the coordinating 1,10-phenanthroline mol-ecules of adjacent complexes result in a zigzag chain running parallel to the c axis...
April 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28435702/synthesis-and-crystal-structure-of-bis-%C3%AE-2-methyl-benzene-thiol-ato-%C3%AE%C2%BA-2-s-s-bis-meth-yl-2-methyl-benzene-thiol-ato-%C3%AE%C2%BAs-indium-iii
#4
Glen G Briand, Andreas Decken, Courtney M Dickie, Gregory MacNeil
The dinuclear title compound, [In2(CH3)2(C7H7S)4] or [Me(2-MeC6H4S)In-μ-(2-MeC6H4S)2InMe(2-MeC6H4S)], was prepared from the 1:2 reaction of Me3In and 2-MeC6H4SH in toluene. Its crystal structure exhibits a four-membered In2S2 ring core via bridging (2-MeC6H4S) groups. The dimeric units are further associated into a one-dimensional polymeric structure extending parallel to the a axis via inter-molecular In⋯S contacts. The In atoms are then in distorted trigonal-bipyramidal CS4 bonding environments.
April 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28427227/high-dose-ascorbate-and-arsenic-trioxide-selectively-kill-acute-myeloid-leukemia-and-acute-promyelocytic-leukemia-blasts-in-vitro
#5
Nélida I Noguera, Elvira Pelosi, Daniela F Angelini, Maria Liliana Piredda, Gisella Guerrera, Eleonora Piras, Luca Battistini, Lauretta Massai, Anna Berardi, Gianfranco Catalano, Laura Cicconi, Germana Castelli, Agnese D'Angiò, Luca Pasquini, Grazia Graziani, Giuseppe Fioritoni, Maria Teresa Voso, Domenico Mastrangelo, Ugo Testa, Francesco Lo-Coco
The use of high-dose ascorbate (ASC) for the treatment of human cancer has been attempted several decades ago and has been recently revived by several in vitro and in vivo studies in solid tumors. We tested the cytotoxic effects of ASC, alone or in combination with arsenic trioxide (ATO) in acute myeloid leukemia (AML) and acute promyelocytic leukemia (APL). Leukemic cell lines and primary blasts from AML and APL patients were treated with graded concentrations of ASC, alone or in association with standard concentration (1 μM) of ATO...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425042/arsenic-trioxide-induced-rhabdomyolysis-a-rare-but-severe-side-effect-in-an-apl-patient-a-case-report
#6
Haiyan He, Ran An, Jian Hou, Weijun Fu
Arsenic trioxide (ATO), a component of the traditional Chinese medicine arsenic sublimate, promotes apoptosis and induces leukemic cell differentiation. Combined with all-trans-retinotic acid (ATRA), ATO has become the first-line induction therapy in treating acute promyelocytic leukemia (APL). The most common side effects of ATO include hepatotoxicity, gastrointestinal symptoms, water-sodium retention, and nervous system damage. In this report, we present a rare side effect, rhabdomyolysis, in a 68-year-old female APL patient who was treated with ATO...
April 19, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28424283/simian-immunodeficiency-virus-targeting-of-cxcr3-cd4-t-cells-in-secondary-lymphoid-organs-is-associated-with-robust-cxcl10-expression-in-monocyte-macrophage-subsets
#7
Masayuki Fujino, Hirotaka Sato, Tomotaka Okamura, Akihiko Uda, Satoshi Takeda, Nursarat Ahmed, Shigeyuki Shichino, Teiichiro Shiino, Yohei Saito, Satoru Watanabe, Chie Sugimoto, Marcelo Kuroda, Manabu Ato, Yoshiyuki Nagai, Shuji Izumo, Kouji Matsushima, Masaaki Miyazawa, Aftab A Ansari, Francois Villinger, Kazuyasu Mori
Glycosylation of Env defines pathogenic properties of SIV. We previously demonstrated that pathogenic SIVmac239 and live-attenuated, quintuple deglycosylated Env mutant (Δ5G) target CD4(+) T cells residing in different tissues during acute infection. SIVmac239 and Δ5G preferentially infected distinct CD4(+) T cells in secondary lymphoid organs (SLOs) and within the lamina propria of the small intestine, respectively (C. Sugimoto et al., J Virol 86:9323-9336, 2012). Herein, we studied the host responses relevant to SIV targeting of CXCR3(+)CCR5(+) CD4(+) T cells in SLOs...
April 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28423141/intimate-partner-violence-and-incidence-of-common-mental-disorder
#8
Marcela Franklin Salvador de Mendonça, Ana Bernarda Ludermir
OBJECTIVE: To investigate the association of intimate partner violence against women reported in the last 12 months and seven years with the incidence of common mental disorders. METHODS: A prospective cohort study with 390 women from 18 to 49 years, registered in the Family Health Program of the city of Recife, State of Pernambuco; from July 2013 to December 2014. The Self Reporting Questionnaire-20 (SRQ-20) assessed mental health. Intimate partner violence consists of concrete acts of psychological, physical or sexual violence that the partner inflicts on the woman...
April 10, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28423138/intimate-partner-violence-and-maternal-educational-practice
#9
Josianne Maria Mattos da Silva, Marília de Carvalho Lima, Ana Bernarda Ludermir
OBJECTIVE: The objective of this study is to analyze the association between intimate partner violence against women and maternal educational practice directed to children at the beginning of formal education. METHODS: This is a cross-sectional study, carried out between 2013 and 2014, with 631 mother/child pairs, registered in the Family Health Strategy of the Health District II of the city of Recife, State of Pernambuco, Brazil. It integrates a prospective cohort study designed to investigate the consequences of exposure to intimate partner violence in relation to the child who was born between 2005 and 2006...
April 10, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28412367/deciphering-antigen-responding-antibody-repertoires-by-using-next-generation-sequencing-and-confirming-them-through-antibody-gene-synthesis
#10
Naoko Kono, Lin Sun, Hiroyuki Toh, Takeyuki Shimizu, Hanbing Xue, Osamu Numata, Manabu Ato, Kazuo Ohnishi, Shigeyuki Itamura
Vast diversity and high specificity of antigen recognition by antibodies are hallmarks of the acquired immune system. Although the molecular mechanisms that yield the extremely large antibody repertoires are precisely understood, comprehensive description of the global antibody repertoire generated in individual bodies has been hindered by the lack of powerful measures. To obtain holistic understanding of the antibody-repertoire space, we used next-generation sequencing (NGS) to analyze the deep profiles of naive and antigen-responding repertoires of the IgM, IgG1, and IgG2c classes formed in individual mice...
April 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28404891/hmgb1-promotes-differentiation-syndrome-by-inducing-hyperinflammation-via-mek-erk-signaling-in-acute-promyelocytic-leukemia-cells
#11
Lanlan Tang, Wenwen Chai, Fanghua Ye, Yan Yu, Lizhi Cao, Minghua Yang, Min Xie, Liangchun Yang
Differentiation therapy based on all-trans-retinoic acid (ATRA) and arsenic trioxide (ATO) for the treatment of acute promyelocytic leukemia (APL) is complicated by the development of differentiation syndrome (DS), which can be fatal. We examined the role of HMGB1 (high-mobility group box 1) in DS using both in vitro and in vivo models. HMGB1 and the pro-inflammatory cytokines IL-1β and TNF-α were gradually released from NB4 and HL-60 cells treated with ATRA and/or ATO. Similarly, higher serum HMGB1 levels positively correlated with the clinical status of DS patients...
February 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402145/the-effect-of-ph-buffer-capacity-and-ionic-strength-on-quetiapine-fumarate-release-from-matrix-tablets-prepared-using-two-different-polymeric-blends
#12
Rania Hamed, Reem AlJanabi, Suhair Sunoqrot, Aiman Abbas
The objective of this study was to investigate the effect of the different physiological parameters of the gastrointestinal (GI) fluid (pH, buffer capacity, and ionic strength) on the in vitro release of the weakly basic BCS class II drug quetiapine fumarate (QF) from two once-a-day matrix tablet formulations (F1 and F2) developed as potential generic equivalents to Seroquel(®) XR. F1 tablets were prepared using blends of high and low viscosity grades of hydroxypropyl methylcellulose (HPMC K4M and K100LV, respectively), while F2 tablets were prepared from HPMC K4M and PEGylated glyceryl behenate (Compritol(®) HD5 ATO)...
April 12, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28400285/development-and-evaluation-of-a-cedrol-loaded-nanostructured-lipid-carrier-system-for-in-vitro-and-in-vivo-susceptibilities-of-wild-and-drug-resistant-leishmania-donovani-amastigotes
#13
Nabanita Kar, Shreyasi Chakraborty, Asit Kumar De, Santanu Ghosh, Tanmoy Bera
Leishmaniasis is an epidemic in various countries, and the parasite Leishmania donovani is developing resistance against available drugs. In the present study the antileishmanial action of cedrol was evaluated in vitro and in vivo. Activity potentiation was achieved via nanostructured lipid carrier (NLC) complexation of cedrol. Cedrol-loaded NLC was prepared through the hot-melting emulsification-ultrasonication method. The cedrol- NLC prepared did not require the use of any organic solvents. The characterization of NLC-C1 and NLC-C2 revealed that particle size was 46...
April 8, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28391263/salvianolic-acid-a-protects-h9c2-cells-from-arsenic-trioxide-induced-injury-via-inhibition-of-the-mapk-signaling-pathway
#14
Jing-Yi Zhang, Gui-Bo Sun, Yun Luo, Min Wang, Wei Wang, Yu-Yang Du, Ying-Li Yu, Xiao-Bo Sun
BACKGROUND/AIMS: This study aimed to investigate whether Salvianolic acid A (Sal A) conferred cardiac protection against Arsenic trioxide (ATO)-induced cardiotoxicity in H9c2 cells by inhibiting MAPK pathways activation. METHODS: H9c2 cardiac cells were exposed to 10 µM ATO for 24 h to induce cytotoxicity. The cells were pretreated with Sal A for 4 h before exposure to ATO. Cell viability was determined utilizing the MTT assay. The percentage of apoptosis was measured by a FITC-Annexin V/PI apoptosis kit for flow cytometry...
April 7, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28370630/long-term-follow-up-of-patients-with-multiple-myeloma-treated-with-total-body-irradiation-melphalan-conditioning
#15
Reinhold Munker, Ali Baghian, Yordanka Koleva, Patricia Andrews, Gunita S Matharoo, Ato E Wright, Nakhle Saba, Roy Weiner, Hanah Safah
BACKGROUND AND OBJECTIVES: Since a study published in 2002 showed a survival advantage of melphalan-only conditioning for stem cell transplantation (HSCT) over melphalan-total body irradiation (mel-TBI) in patients with multiple myeloma (MM), most centers abandoned mel-TBI. Mel-TBI causes more early toxicity and is more complicated to administer, but we speculated it may result in longer term survival with radiation as an independent treatment modality. Therefore, we analyzed the long-term outcome of patients with MM who received mel-TBI as part of conditioning at our center...
March 31, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28369151/type-1-diabetes-developing-the-first-risk-estimation-model-for-predicting-silent-myocardial-ischemia-the-potential-role-of-insulin-resistance
#16
Gemma Llauradó, Albert Cano, Cristina Hernández, Montserrat González-Sastre, Ato-Antonio Rodríguez, Jordi Puntí, Eugenio Berlanga, Lara Albert, Rafael Simó, Joan Vendrell, José-Miguel González Clemente
OBJECTIVES: The aim of the study was to develop a novel risk estimation model for predicting silent myocardial ischemia (SMI) in patients with type 1 diabetes (T1DM) and no clinical cardiovascular disease, evaluating the potential role of insulin resistance in such a model. Additionally, the accuracy of this model was compared with currently available models for predicting clinical coronary artery disease (CAD) in general and diabetic populations. RESEARCH, DESIGN AND METHODS: Patients with T1DM (35-65years, >10-year duration) and no clinical cardiovascular disease were consecutively evaluated for: 1) clinical and anthropometric data (including classical cardiovascular risk factors), 2) insulin sensitivity (estimate of glucose disposal rate (eGDR)), and 3) SMI diagnosed by stress myocardial perfusion gated SPECTs...
2017: PloS One
https://www.readbyqxmd.com/read/28369043/generation-of-mature-t-cells-from-human-hematopoietic-stem-and-progenitor-cells-in-artificial-thymic-organoids
#17
Christopher S Seet, Chongbin He, Michael T Bethune, Suwen Li, Brent Chick, Eric H Gschweng, Yuhua Zhu, Kenneth Kim, Donald B Kohn, David Baltimore, Gay M Crooks, Amélie Montel-Hagen
Studies of human T cell development require robust model systems that recapitulate the full span of thymopoiesis, from hematopoietic stem and progenitor cells (HSPCs) through to mature T cells. Existing in vitro models induce T cell commitment from human HSPCs; however, differentiation into mature CD3(+)TCR-αβ(+) single-positive CD8(+) or CD4(+) cells is limited. We describe here a serum-free, artificial thymic organoid (ATO) system that supports efficient and reproducible in vitro differentiation and positive selection of conventional human T cells from all sources of HSPCs...
May 2017: Nature Methods
https://www.readbyqxmd.com/read/28363503/the-impact-of-the-fabrication-method-on-the-three-dimensional-accuracy-of-an-implant-surgery-template
#18
Ragai-Edward Matta, Bastian Bergauer, Werner Adler, Manfred Wichmann, Hans-Joachim Nickenig
PURPOSE: The use of a surgical template is a well-established method in advanced implantology. In addition to conventional fabrication, computer-aided design and computer-aided manufacturing (CAD/CAM) work-flow provides an opportunity to engineer implant drilling templates via a three-dimensional printer. In order to transfer the virtual planning to the oral situation, a highly accurate surgical guide is needed. The aim of this study was to evaluate the impact of the fabrication method on the three-dimensional accuracy...
February 20, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28346840/fabrication-and-evaluation-of-phytomenadione-as-a-nanostructure-lipid-carrier-for-enhancement-of-bioavailability
#19
Bader Mubarak Aljaeid, Khaled Mohamed Hosny
Owing to its limited aqueous solubility, Phytomenadione (vitamin K) undergoes a low bioavailability (50%) with a large inter-individual variability after oral administration. Therefore, the aim of this work was to incorporate vitamine K into nanostructure lipid carrier systems to improve its aqueous solubility and bioavailability. Phytomenadione was used as a liquid lipid, Precirol ATO5, and Compritol ATO were used as solid lipids, Labrasol and Cremophore EL as water soluble surfactants, Capryol 90 and Lauroglycol as lipid soluble surfactants...
March 27, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28343272/effect-of-atra-and-ato-on-the-expression-of-tissue-factor-in-nb4-acute-promyelocytic-leukemia-cells-and-regulatory-function-of-the-inflammatory-cytokines-tnf-and-il-1%C3%AE
#20
Sylvie Dunoyer-Geindre, Anne-Sophie Rivier-Cordey, Olga Tsopra, Thomas Lecompte, Egbert K O Kruithof
The characteristic hemorrhages of acute promyelocytic leukemia (APL) are caused in part by the high expression of tissue factor (TF) on leukemic cells, which also produce TNF and IL-1β, proinflammatory cytokines known to increase TF in various cell types. Exposure of NB4 cells, an APL cell line, to all-trans retinoic acid (ATRA) or arsenic trioxide (ATO) rapidly and strongly reduced TF mRNA. Both drugs also reduced TNF mRNA, but later, and moreover increased IL-1β mRNA. The effect on procoagulant activity of cells and microparticles, as measured with calibrated automated thrombography, was delayed and only partial at 24 h...
March 25, 2017: Annals of Hematology
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