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https://www.readbyqxmd.com/read/28722020/a-critical-role-of-gas6-axl-signal-in-allergic-airway-responses-during-rsv-vaccine-enhanced-disease
#1
Takehiko Shibata, Manabu Ato
Respiratory syncytial virus (RSV) is a common virus that causes lower respiratory infections across a wide range of ages. A licensed RSV vaccine is not available because vaccination with formalin-inactivated RSV (FI-RSV) and the subsequent RSV infection cause not only insufficient induction of neutralizing antibodies but also severe allergic airway responses, termed FI-RSV vaccine enhanced disease (FI-RSV VED). However, the underlying mechanism has not been identified, although a Th2-biased immune response is known to be a hallmark of this disease...
July 19, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28711674/hplc-hg-afs-determination-of-arsenic-species-in-acute-promyelocytic-leukemia-apl-plasma-and-blood-cells
#2
Meihua Guo, Wenjing Wang, Xin Hai, Jin Zhou
Arsenic trioxide (ATO) has been successfully used in the treatment of acute promyelocytic leukemia (APL). To clarify the arsenic species in APL patients, high performance liquid chromatography-hydride generation-atomic fluorescence spectrometry (HPLC-HG-AFS) and HG-AFS methods were developed and validated to quantify the plasma concentrations of inorganic arsenic (As(III) and As(V)) and methylated metabolites (MMA and DMA), and the total amounts of arsenic in blood cells and plasma. Blood cells and plasma were digested with mixtures of HNO3H2O2 and analyzed by HG-AFS...
July 6, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28705021/atorvastatin-loaded-micelles-with-bone-targeted-ligand-for-the-treatment-of-osteoporosis
#3
Yonghui Xie, Xueying Tan, Jian Huang, Hongwei Huang, Ping Zou, Jingbo Hu
Osteoporosis is a common bone disorder where the declined bone mass is far more than normal physiological status and usually associated with enhanced fracture risk, reduced bone strength and even deteriorated quality of life. Recent studies showed that statins could exert beneficial effects on bones via promoting osteoblastic activity mediated by increased expression of bone morphogenetic protein 2 and also by suppressing osteoclast proliferation. In this study, we developed atorvastatin-loaded tetracycline-poly (ethylene glycol)-poly(lactic-co-glycolic acid) (TC-PEG-PLGA/ATO) micelles for the targeted treatment of osteoporosis...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28686804/smart-human-serum-albumin-as2o3-nanodrug-with-self-amplified-folate-receptor-targeting-ability-for-chronic-myeloid-leukemia-treatment
#4
Yongbo Peng, Zilong Zhao, Teng Liu, Xiong Li, Xiaoxiao Hu, Xiaoping Wei, Xiaobing Zhang, Weihong Tan
Arsenic trioxide (ATO, As2O3) is currently used to treat acute promyelocytic leukemia. However, expanding its use to include high-dose treatment of other cancers is severely hampered by serious side effects on healthy organs. To address these limitations, we loaded ATO onto folate (FA)-labeled human serum albumin (HSA) pretreated with glutathione (GSH) based on the low pH- and GSH-sensitive arsenic-sulfur bond, and we termed the resulting smart nanodrug as FA-HSA-ATO. FA-HSA-ATO could specifically recognize folate receptor-β-positive chronic myeloid leukemia (CML) cells, resulting in more intracellular accumulation of ATO...
July 7, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28684087/anti-arthritic-potential-of-marine-macroalgae-turbinaria-ornata-in-complete-freund-s-adjuvant-induced-rats
#5
S Ananthi, V Gayathri, R Malarvizhi, Meenakshi Bhardwaj, Hannah R Vasanthi
T. ornata a macroalgae rich in bioactive molecules possess various biological activities. Herein, the aim of the study is to evaluate the aqueous extract and the sulphated polysaccharide isolated from T. ornata for its anti-arthritic potential in Complete Freund's Adjuvant (CFA) induced arthritis in rats. Anti-arthritic potential of aqueous T. ornata (ATO) and T. ornata sulphated polysaccharide (TSP) was evidenced by the significant reduction in paw volume and arthritic score. Inflammatory and antioxidant markers were found to be restored in the drug treated groups which was found to be in line with dexamethasone a standard anti-inflammatory drug...
July 3, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28679299/arsenic-trioxide-decreases-the-amount-and-inhibits-the-function-of-regulatory-t-cells-which-may-contribute-to-its-efficacy-in-the-treatment-of-acute-promyelocytic-leukemia
#6
Wen Xu, Xiaoxia Li, Lina Quan, Jiying Yao, Guannan Mu, Jingjie Guo, Yitong Wang
Arsenic trioxide (ATO) exhibits substantial clinical efficacy in the treatment of acute promyelocytic leukemia (APL). Here, we investigated whether ATO exerts its efficacy by affecting regulatory T (Treg) cells. We determined whether ATO treatment influenced the amount and function of purified Treg cells. We also examined the effect of ATO treatment on Treg cells from APL patients. ATO treatment induced apoptosis in purified Treg cells and dampened the inhibition of effector T (Teff) cells proliferation and the secretion of cytokine by Treg cells...
July 6, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28676657/stability-limits-of-tin-based-electrocatalyst-supports
#7
Simon Geiger, Olga Kasian, Andrea M Mingers, Karl J J Mayrhofer, Serhiy Cherevko
Tin-based oxides are attractive catalyst support materials considered for application in fuel cells and electrolysers. If properly doped, these oxides are relatively good conductors, assuring that ohmic drop in real applications is minimal. Corrosion of dopants, however, will lead to severe performance deterioration. The present work aims to investigate the potential dependent dissolution rates of indium tin oxide (ITO), fluorine doped tin oxide (FTO) and antimony doped tin oxide (ATO) in the broad potential window ranging from -0...
July 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28670885/anti-vascular-endothelial-growth-factor-effects-of-sorafenib-and-arsenic-trioxide-in-acute-myeloid-leukemia-cell-lines
#8
Atousa Haghi, Saeed Mohammadi, Masoumeh Heshmati, Ardeshir Ghavamzadeh, Mohsen Nikbakht
Acute myeloid leukemia (AML), is a clonal disorder caused by acquired somatic mutations and chromosomal rearrangements. According to some evidence, progression of hematolymphoid malignancies depends on the induction of new blood vessel formation under the influence of acute leukemia. Various factors are produced by cancer cells under hypoxic conditions to increase vascular formation. Among these, vascular endothelial growth factor (VEGF) plays a crucial role. Cytotoxicity and anticancer effects of arsenic trioxide (ATO) have been reported in many cancers...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28665115/boosting-photocatalytic-performance-of-inactive-rutile-tio2-nanorods-under-solar-light-irradiation-synergistic-effect-of-acid-treatment-and-metal-oxide-co-catalysts
#9
Love Kumar Dhandole, Mahadeo A Mahadik, Su-Gyeong Kim, Hee-Suk Chung, Young-Seok Seo, Min Cho, Jung Ho Ryu, Jum Suk Jang
In the present work, we accomplish the boosting of photocatalytic performance by the synergistic effect of acid treatment and transition metal oxide co-catalysts on molten salt rutile TiO2 nanorods. FT-IR and XPS (oxygen deconvolution) results confirmed that the amount of hydroxyl groups increased on the surface of rutile TiO2 nanorods (TO-NRs) after acid treatment. HR-TEM analysis revealed fine dispersion of metal oxide on the surface of acid treated TiO2 nanorods (ATO-NRs). The photocatalytic activities of as-prepared (TO-NRs), acid treated (ATO-NRs), metal oxide loaded (MTO-NRs), and both acid treated and metal oxide loaded (MATO-NRs) nanorods were compared based on the rate kinetics and dye degradation efficiencies...
July 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28661720/adaptive-b-cell-responses-to-influenza-virus-infection-in-the-lung
#10
Yoshimasa Takahashi, Taishi Onodera, Yu Adachi, Manabu Ato
Adaptive B cell response is a key arm of protective immunity against influenza viruses. Owing to the acutely infectious and cytopathic nature of these viruses, efficient containment of viral spread relies on the prompt provision of protective antibodies to the site of virus infection, the respiratory tract (RT). To accelerate the protective antibody response, B cell responses can be ectopically induced, maintained, and reactivated in the lungs after primary and secondary infection, thereby providing an anatomical advantage in supplying neutralizing antibodies against reinfecting viruses with faster kinetics...
July 2017: Viral Immunology
https://www.readbyqxmd.com/read/28655105/-sensitivity-of-alternative-spliceosomes-of-l-type-pml-rar%C3%AE-fusion-gene-to-ato
#11
F Xue, Y H Tan, F G Ren, Y F Zhang, X H Chen, Z F Xu, J M Chang, J Xu, F Gao, J Li, B Yin, H X Liu, H W Wang
No abstract text is available yet for this article.
June 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28655097/-efficacy-of-combination-of-atra-ato-and-anthracyclines-induction-therapy-in-patients-with-acute-promyelocytic-leukemia
#12
R J Ma, Z M Zhu, X L Yuan, L Jiang, S W Yang, J Yang, J M Guo, L Zhang, P C Lei, Z Wang, Y Z Zang, Y Q Chen, T B Wang, D Kong, K Sun, Y Zhang
Objective: To explore the efficacies of regimens of three-drug induction therapy (ATRA+ATO+anthracyclines) versus two-drug induction therapy (ATRA+ATO) in patients with acute promyelocytic leukemia (APL). Methods: Of 184 patients diagnosed with APL from January 2009 to March 2016, 58 patients underwent three-drug induction therapy, while the rest were treated with two-drug induction therapy. Three-drug induction therapy was of ATRA (20 mg·m(-2)·d(-1), d(1-28)) + ATO (0.16 mg·kg(-1)·d(-1), d(1-28)) + Idarubicin (8 mg·m(-2)·d(-1), d(3-5)) /daunorubicin (40 mg·m(-2)·d(-1), d(3-5)) , while two-drug induction therapy ATRA+ATO with the same doses and methods as above...
June 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28653333/investigating-real-world-clopidogrel-pharmacogenetics-in-stroke-using-a-bioresource-linked-to-electronic-medical-records
#13
Aleksi Tornio, Rob Flynn, Steve Morant, Elena Velten, Colin N A Palmer, Thomas M MacDonald, Alex S F Doney
Clopidogrel efficacy is influenced by genetic variation of CYP2C19, however few studies have considered stroke patients. We used electronic medical records (EMR) linked to a bioresource to examine real-world implications of clopidogrel pharmacogenetics in stroke. Patients hospitalized for any arterial thrombo-occlusive event (ATO) who subsequently redeemed clopidogrel prescriptions in the community were entered into the study (n=651). During 24 months follow-up the primary endpoint of recurrent ATO or death occurred in 299 (46%) patients...
June 27, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28641620/-role-of-microparticles-derived-from-acute-promyelocytic-leukemia-cells-in-coagulopathy
#14
Ying-Mei Zhang, Bo Chen, Long-Yue Wu, Jin-Xiao Hou, Jin-Yue Fu
OBJECTIVE: To evaluate the role of microparticle (MP) derived from acute promyelocytic leukemia (APL) cells and tissue factor (TF) carried by the MP in hypercoagulable state, and the effect of treatment with cytotoxic chemotherapy/differentiating agents on procoagulant activity (PCA) of these MP. METHODS: Bone marrow mononuclear cells (BMMNC) were extracted from 5 APL patients and 5 sex- and age- matched patients with iron deficiency anemia as controls. The cells were cultured in vitro for 48 h, then MP-rich culture medium and MP-free culture medium were harvested and MP was further obtained from certain volume of MP-rich culture medium...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28638641/secondary-bonding-in-di-methyl-bis-morpholine-4-carbodi-thio-ato-%C3%AE%C2%BA-2-s-s-tin-iv-crystal-structure-and-hirshfeld-surface-analysis
#15
Nordiyana Binti Zaldi, Rusnah Syahila Duali Hussen, See Mun Lee, Nathan R Halcovitch, Mukesh M Jotani, Edward R T Tiekink
The title compound, [Sn(CH3)2(C5H8NOS2)2], has the Sn(IV) atom bound by two methyl groups which lie over the weaker Sn-S bonds formed by two asymmetrically chelating di-thio-carbamate ligands so that the coordination geometry is skew-trapezoidal bipyramidal. The most prominent feature of the mol-ecular packing are secondary Sn⋯S inter-actions [Sn⋯S = 3.5654 (7) Å] that lead to centrosymmetric dimers. These are connected into a three-dimensional architecture via methyl-ene-C-H⋯S and methyl-C-H⋯O(morpholino) inter-actions...
June 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28638639/crystal-structure-of-a-heterometallic-coordination-polymer-poly-di-aqua-bis-%C3%AE-7-benzene-1-3-5-tri-carboxyl-ato-dicalcium-ii-copper-ii
#16
Feng Zhang, Bing-Guang Zhang
In the title complex, [Ca2Cu(C9H3O6)2(H2O)2] n , the Ca(II) and Cu(II) cations are bridged by the benzene-1,3,5-tri-carboxyl-ate anions (BTC(3-)) to form the coordination polymer, in which each BTC(3-) anion bridges two Cu(II) and five Ca(II) cations with a μ7 coordination mode. The Cu(II) cation, located at an inversion centre, is in a nearly square-planar geometry defined by four O atoms from four bridging BTC(3-) anions, while the Ca(II) cation is in a distorted octa-hedral geometry defined by five O atoms from bridging BTC(3-) anions and one water mol-ecule...
June 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28637474/arsenic-trioxide-inhibits-ebv-reactivation-and-promotes-cell-death-in-ebv-positive-lymphoma-cells
#17
Qinyan Yin, Mark Sides, Christopher H Parsons, Erik K Flemington, Joseph A Lasky
BACKGROUND: Epstein-Barr Virus (EBV) is associated with hematopoietic malignancies, such as Burkitt's lymphoma, post-transplantation lymphoproliferative disorder, and diffuse large B-cell lymphoma. The current approach for EBV-associated lymphoma involves chemotherapy to eradicate cancer cells, however, normal cells may be injured and organ dysfunction may occur with currently employed regimens. This research is focused on employing arsenic trioxide (ATO) as EBV-specific cancer therapy takes advantage of the fact the EBV resides within the malignant cells...
June 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28634802/alkaline-treated-sawdust-as-an-effective-material-for-cationic-dye-removal-from-textile-effluents-under-dynamic-conditions-breakthrough-curve-prediction-and-mechanism-exploration
#18
Ahmed Amine Azzaz, Salah Jellali, Rahma Souissi, Karim Ergaieg, Latifa Bousselmi
This paper deals with the methylene blue molecule (MB) removal from synthetic and real textile wastewaters by alkali-treated orange tree sawdust (ATOS) under different dynamic conditions. Experimental results showed that MB removal efficiencies by ATOS increased when increasing initial dye concentrations and bed depths but decreased with the increase of the applied flow rates with a maximum adsorption capacity of about 110 mg g(-1). Moreover, various empirical models were applied to predict the experimental breakthrough curves (BTCs) and to determine the characteristic adsorption parameters...
June 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28612524/-effect-of-cell-autophagy-on-the-apoptosis-of-hepatocellular-carcinoma-cells-induced-by-arsenic-trioxide
#19
Yang Li, Shi-Yan Gu, Zun-Zhen Zhang
OBJECTIVES: To determine the effect of autophagy on the apoptosis of hepatocellular carcinoma cells induced by arsenic trioxide (ATO). METHODS: Hepatocellular carcinoma HepG2 cells were exposed to ATO. The cell viability was detected by MTT after adjustments for autophagy agonist (Rap) and autophagy inhibitor (3-MA). The autophagosome was observed under electronic microscope. The autophagy related proteins (LC3 and Beclin1) were detected by immunofluorescence. The cell apoptosis was measured by flow cytometry...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28604581/vascular-tos-creating-a-protocol-and-sticking-to-it
#20
REVIEW
Meena Archie, David Rigberg
Thoracic Outlet Syndrome (TOS) describes a set of disorders that arise from compression of the neurovascular structures that exit the thorax and enter the upper extremity. This can present as one of three subtypes: neurogenic, venous, or arterial. The objective of this section is to outline our current practice at a single, high-volume institution for venous and arterial TOS. VTOS: Patients who present within two weeks of acute deep vein thrombosis (DVT) are treated with anticoagulation, venography, and thrombolysis...
June 10, 2017: Diagnostics
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