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https://www.readbyqxmd.com/read/28102932/antileukemic-action-of-novel-diamine-pt-ii-halogenido-complexes-comparison-of-the-representative-novel-pt-ii-with-corresponding-pt-iv-complex
#1
Sonja Misirlić Denčić, Jelena Poljarević, Andjelka M Isakovic, Ivanka Marković, Tibor J Sabo, Sanja Grgurić-Šipka
This study presents the synthesis, characterization and antitumor action of five new Pt(II) halogenido, chlorido and iodido, complexes with edda type of ligands. (S,S)-ethylendiamine-N,N'-di-2-(3-cyclohexyl)propanoic acid dihydrochloride and its methyl, ethyl and n-propyl esters, were prepared according to the previously reported procedure. All investigated complexes were characterized by IR, ESI-MS, ((1) H, (13) C and HMBC) NMR spectroscopy and elemental analysis. Their cytotoxic action was investigated in four human tumor cell lines: promyelocytic (HL-60) and lymphocytic (REH) leukemia, glioma (U251) and lung carcinoma (H460)...
January 19, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28101575/identification-of-potential-targets-for-differentiation-in-human-leukemia-cells-induced-by-diallyl-disulfide
#2
Hui Ling, Jie He, Hui Tan, Lan Yi, Fang Liu, Xiaoxia Ji, Youhua Wu, Haobin Hu, Xi Zeng, Xiaohong Ai, Hao Jiang, Qi Su
Diallyl disulfide (DADS) is a primary component of garlic, which has chemopreventive potential. We previously found that moderate doses (15-120 µM) of DADS induced apoptosis and G2/M phase cell cycle arrest. In this study, we observed the effect of low doses (8 µM) of DADS on human leukemia HL-60 cells. We found that DADS could inhibit proliferation, migration and invasion in HL-60 cells, and arrested cells at G0/G1 stage. Then, cell differentiation was displayed by morphologic observation, NBT reduction activity and CD11b evaluation of cytometric flow...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101574/nek2-serves-as-a-prognostic-biomarker-for-hepatocellular-carcinoma
#3
Gang Li, Yanping Zhong, Qingrong Shen, Yi Zhou, Xiaofang Deng, Cuiping Li, Jiagui Chen, Ying Zhou, Min He
Never in mitosis gene A (NIMA)-related kinase 2 (NEK2) is a microtubule-associated protein that regulates spindle assembly in human cells and is overexpressed in various malignancies. However, the role of NEK2 in hepatocellular carcinoma (HCC) remains undetermined. We performed RNA-seq of the HCC cell line SMMC-7721 and the normal liver cell line HL-7702 using the Ion Proton System. NEK2 expression was detected using quantitative reverse transcription polymerase chain reaction in two cell lines and 5 matched HCC and adjacent non-tumorous liver tissues...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101410/modulation-of-cardiomyocyte-activity-using-pulsed-laser-irradiated-gold-nanoparticles
#4
Lara Gentemann, Stefan Kalies, Michelle Coffee, Heiko Meyer, Tammo Ripken, Alexander Heisterkamp, Robert Zweigerdt, Dag Heinemann
Can photothermal gold nanoparticle mediated laser manipulation be applied to induce cardiac contraction? Based on our previous work, we present a novel concept of cell stimulation. A 532 nm picosecond laser was employed to heat gold nanoparticles on cardiomyocytes. This leads to calcium oscillations in the HL-1 cardiomyocyte cell line. As calcium is connected to the contractility, we aimed to alter the contraction rate of native and stem cell derived cardiomyocytes. A contraction rate increase was particularly observed in calcium containing buffer with neonatal rat cardiomyocytes...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28097534/successful-treatment-with-low-dose-nivolumab-in-refractory-hodgkin-lymphoma-after-allogeneic-stem-cell-transplantation
#5
Makoto Onizuka, Minoru Kojima, Keiko Matsui, Shinichiro Machida, Masako Toyosaki, Yasuyuki Aoyama, Hidetsugu Kawai, Jun Amaki, Ryujiro Hara, Akifumi Ichiki, Yoshiaki Ogawa, Hiroshi Kawada, Naoya Nakamura, Kiyoshi Ando
Previous studies have reported that an antibody that blocks programmed cell death 1 (PD-1) has therapeutic activity in patients with refractory/relapsed Hodgkin lymphoma (HL). However, the safety and efficacy of these agents in the post-allogeneic stem cell transplantation (allo-SCT) setting are not well known. Here, we describe a patient who was diagnosed as classical HL and treated with five regimens of chemotherapies with autologous SCT. Complete remission (CR) was not achieved following this initial treatment, so we performed allo-SCT from an HLA-matched sibling donor...
January 17, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28092826/synthesis-ph-dependent-photometric-and-electrochemical-investigation-redox-mechanism-and-biological-applications-of-novel-schiff-base-and-its-metallic-derivatives
#6
Abdur Rauf, Afzal Shah, Abdul Aziz Khan, Aamir Hassan Shah, Rashda Abbasi, Irfan Zia Qureshi, Saqib Ali
A novel Schiff base, 1-((2, 4-dimethylphenylimino)methyl)naphthalen-2-ol abbreviated as (HL) and its four metallic complexes were synthesized and confirmed by (1)H and (13)C NMR, FTIR, TGA and UV-Visible spectroscopy. Schiff base was also characterized by X-ray analysis. The photometric and electrochemical responses of all the synthesized compounds were investigated in a wide pH range. Structures of the compounds were optimized computationally for the evaluation of different physico-chemical parameters. On the basis of electrochemical results the redox mechanistic pathways of the compounds were proposed...
January 9, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28092347/haploidentical-transplantation-with-post-infusion-cyclophosphamide-in-advanced-hodgkin-lymphoma
#7
L Castagna, S Bramanti, R Devillier, B Sarina, R Crocchiolo, S Furst, J E Cheikh, A Granata, C Faucher, S Harbi, L Morabito, J Mariotti, S Puvinathan, P J Weiller, C Chabannon, D Mokart, C Carlo-Stella, R Bouabdallah, A Santoro, D Blaise
We investigated the use of haploidentical hematopoietic stem cell transplantation (haplo-HSCT) in the treatment of advanced Hodgkin lymphoma (HL). Sixty-two consecutive HL patients underwent haplo-HSCT. Unmanipulated stem cells and post-transplant cyclophosphamide were given to all patients as GVHD prophylaxis. At 100 days, the cumulative incidence of grades 2-3 and grades 3-4 acute GVHD was 23% and 4%, respectively. The chronic GVHD (cGVHD) cumulative incidence was 16%, with one patient experiencing severe cGVHD...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28091655/probing-the-magnetic-relaxation-and-magnetic-moment-arrangement-in-a-series-of-dy4-squares
#8
Jianfeng Wu, Shuang-Yan Lin, Si Shen, Xiao-Lei Li, Lang Zhao, Li Zhang, Jinkui Tang
Three μ4-O bridged Dy4 squares, {[Dy4(μ4-O)(HL(1))4(H2O)4]2(NO3)3(OH)}·2H2O·2CH3OH (1), [Dy4(μ4-O)(HL(2))4(SCN)2]·2H2O·4CH3OH (2) and [Dy4(μ4-O)(H2L(3))2(SCN)2]·6H2O (3) were assembled by using a Schiff base ligand and its dimerized and reduced congener, respectively. These complexes share a similar μ4-O bridged Dy4 core, while, both the coordination geometry and metal-ligand interactions are slightly changed upon the modulation of the ligands, resulting in distinct single-molecular magnetic (SMM) and single-molecular toroic (SMT) properties...
January 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28091652/a-novel-3-d-photoluminescent-cuprous-chloride-polymer-based-on-bifunctional-imidazolate-tetrazolate-bridges
#9
Qiuling Tang, Jian Zhou, Filipe A Almeida Paz, Lianshe Fu, Hong Xiao, Qi Zhou, Ju Li
A novel 3-D cuprous chloride polymer [CuCl(μ5-L)]n (1, HL = 1-tetrazole-4-imidazole-benzene) has been hydrothermally synthesized and structurally characterized. 1 displays a 3-D network with a bimodal fsc-3,5-Cmce-2 topological type constructed by the linkages of rare [CuCl](+) cations and L(-) ligands. The photoluminescence properties and density functional theory calculations of 1 have also been studied.
January 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28089217/the-impact-of-inadequate-health-literacy-on-patient-satisfaction-healthcare-utilization-and-expenditures-among-older-adults
#10
Stephanie MacLeod, Shirley Musich, Stephen Gulyas, Yan Cheng, Rifky Tkatch, Diane Cempellin, Gandhi R Bhattarai, Kevin Hawkins, Charlotte S Yeh
Inadequate health literacy (HL) is associated with impaired healthcare choices leading to poor quality-of-care. Our primary purpose was to estimate the prevalence of inadequate HL among two populations of AARP(®) Medicare Supplement insureds: sicker and healthier populations; to identify characteristics of inadequate HL; and to describe the impact on patient satisfaction, preventive services, healthcare utilization, and expenditures. Surveys were mailed to insureds in 10 states. Multivariate regression models were used to identify characteristics and adjust outcomes...
January 11, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28088972/-critical-roles-of-matrix-metalloproteinases-secreted-by-leukemic-cells-in-the-pathogenesis-of-central-nervous-system-leukemia
#11
S R Feng, Z X Chen, J N Cen, H J Shen, Y Y Wang, L Yao
Objective: To observe the effects of matrix metalloproteinases (MMP)-2 and MMP-9 secreted by leukemic cells on tight junction proteins ZO-1, claudin-5 and occluding and the permeability of the blood-brain barrier (BBB) and explore the mechanisms of MMP-2 and MMP-9 in leukemic cell infiltration of the central nervous system (CNS). Methods: The mRNA expressions of MMP-2 and MMP-9 in leukemic cell lines SHI-1, HL-60 and U937 were detected by quantitative RT-PCR. The MMP inhibitor GM6001 was used to inhibit the secretion of MMP-2 and MMP-9...
December 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28088863/detection-of-multi-configurational-states-of-hydrogen-passivated-silicene-nano-clusters
#12
Ricardo Pablo-Pedro, Hector Lopez-Rios, Serguei Fomine, Mildred S Dresselhaus
Utilizing density functional theory (DFT) and a complete active space self-consistent field (CASSCF) approach, we study the electronic properties of rectangle silicene nano clusters with hydrogen passivated edges denoted by H-SiNRs(nz,na), with nz and na representing the zigzag and armchair directions, respectively. The results show that in the nz direction, the H-SiNRs prefer to be in a singlet (S=0) ground state for nz > na. However, a transition from a singlet to a triplet (S=1) ground state is revealed for na> nz...
January 16, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28088309/-new-therapy-outlooks-in-hodgkin-lymphoma
#13
REVIEW
Cédric Rossi, René-Olivier Casasnovas
Classical Hodgkin lymphoma (HL) is a curable disease in 80% of advanced and 90% of localized stages. An improvement of the HL curability is still possible with the emergence of first-line therapy with a better balance between efficacy and toxicity and early identification patients with high risk of failure requiring specific treatment. 18FDG PET-CT gained a major role in the baseline staging and response assessment to HL treatment. The prognostic value of early PET-CT allowed to develop PET-CT guided therapies able to optimize the balance between efficacy and toxicity including the modulation of the chemotherapy intensity or the omission of radiotherapy for some localized diseases...
January 11, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28087464/mitochondrial-reactive-oxygen-species-regulate-fungal-protease-induced-inflammatory-responses
#14
Yun Hee Kim, Seung-Hyo Lee
Epidemiological studies have shown that fungal infections are a main cause of respiratory tract diseases, such as asthma, bronchopneumonia, intoxication, and invasive fungal disease. Fungi such as Aspergillus and Candida species have become increasingly important pathogens as the global climate changes. Accordingly, in this study, we evaluated the toxicological potential of Aspergillus protease in the lower respiratory tract. Exposure of Aspergillus protease to A549 cells induced upregulation of tumor necrosis factor (TNF)-α, monocyte chemoattractant protein (MCP)-1, and intercellular adhesion molecule (ICAM)-1 mRNAs and increased production of interleukin (IL)-8 and MCP-1 protein through enhanced mitochondrial reactive oxygen species (ROS) generation and activation of mitogen-activated protein kinase (MAPK) and activator protein (AP)-1...
January 10, 2017: Toxicology
https://www.readbyqxmd.com/read/28087093/audiologic-and-radiologic-findings-in-cochlear-hypoplasia
#15
Betul Cicek Cinar, Merve Ozbal Batuk, Emel Tahir, Gonca Sennaroglu, Levent Sennaroglu
OBJECTIVE: The aim of the current study is to evaluate audiologic and radiologic findings of cochlear hypoplasia which is a subgroup of inner ear malformations. METHODS: This study was a prospective clinical study and based on voluntary participation from cases with cochlear hypoplasia diagnosis. The study was conducted at Hacettepe University, Department of Otolaryngology, Head and Neck Surgery and Department of Audiology. Subjects were selected from an inner ear malformations database...
January 10, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28079580/a-predictive-model-for-extended-postanesthesia-care-unit-length-of-stay-in-outpatient-surgeries
#16
Rodney A Gabriel, Ruth S Waterman, Jihoon Kim, Lucila Ohno-Machado
BACKGROUND: A predictive model that can identify patients who are at an increased risk for prolonged postanesthesia care unit (PACU) stay could help optimize resource utilization and case sequencing. Although previous studies identified some predictors, there is not a model that only utilizes various patients demographic and comorbidities, that are already known preoperatively, and that may affect PACU length of stay for outpatient procedures requiring the care of an anesthesiologist...
January 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28078186/soluble-receptor-for-advanced-glycation-end-products-improves-stromal-cell-derived-factor-1-activity-in-model-diabetic-environments
#17
Melissa Przyborowski Olekson, Renea A Faulknor, Henry C Hsia, Ann Marie Schmidt, François Berthiaume
Objective: In diabetes, hyperglycemia causes the accumulation of advanced glycation end products (AGEs) that trigger reactive oxygen species (ROS) generation through binding the receptor for AGEs (RAGE). Because exogenous growth factors have had little success in enhancing chronic wound healing, we investigated whether hyperglycemia-induced AGEs interfere with cellular responses to extracellular signals. We used stromal cell-derived factor-1 (SDF-1), an angiogenic chemokine also known to promote stem cell recruitment in skin wounds...
December 1, 2016: Advances in Wound Care
https://www.readbyqxmd.com/read/28075225/plants-contain-small-families-of-upf0016-proteins-including-the-photosynthesis-affected-mutant71-transporter
#18
Natalie Hoecker, Dario Leister, Anja Schneider
PHOTOSYNTHESIS AFFECTED MUTANT71 (PAM71) is an integral thylakoid membrane protein that functions in manganese uptake into the lumen. Manganese is needed in the thylakoid lumen to build up the inorganic Mn4CaO5 cluster, the catalytic center for water oxidation, and is hence indispensable for oxygen evolution. A recent study revealed that PAM71 is well conserved in plants and shares homology to GCR1 DEPENDENT TRANSLATION FACTOR1 (GDT1) and TRANSMEMBRANE PROTEIN 165 (TMEM165) in Saccharomyces cerevisiae and Homo sapiens, respectively...
January 11, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28074665/diterpenoid-alkaloids-from-the-root-of-aconitum-sinchiangense-w-t-wang-with-their-antitumor-and-antibacterial-activities
#19
Xiaoxia Liang, Lan Chen, Lei Song, Wenbo Fei, Min He, Changliang He, Zhongqiong Yin
A phytochemical study of the root barks of Aconitum sinchiangense W. T. Wang, a traditional Chinese herb medicine, led to the isolation of 15 diterpenoid alkaloids, including one new C19-diterpenoid alkaloid, sinchiangensine A (1), whose structure was determined by spectral methods including 2D NMR. Additionally, sinchiangensine A and its known analogue 3 were first reported as potential antitumor and antibacterial diterpenoid alkaloids, which showed significant antitumor activities against tumour cells (HL-60, A-549, SMCC-7721, MCF-7 and SW480), with IC50 comparable to cisplatin, and significant antibacterial activities against Staphylococcus aureus ATCC-25923 with MIC value of 0...
January 11, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28070581/structural-and-magnetic-properties-of-semiquinonate-based-al-iii-and-ga-iii-complexes
#20
Chinmoy Das, Pragya Shukla, Lorenzo Sorace, Maheswaran Shanmugam
The reaction of anhydrous MCl3 (M = Al(iii) or Ga(iii)) with one-electron-reduced 3,5-di-tert-butyl-1,2-ortho-benzoquinone (using metallic sodium) led us to isolate two distinct metal complexes of Al(iii) and Ga(iii), which were structurally and magnetically characterized. Complex 1 crystallized in the monoclinic P21/n space group, whereas 2 crystallized in the triclinic P1[combining macron] space group. Interestingly, whereas the Al(iii) derivative was obtained as a dimer with the molecular formula [Al2(μ-HL(-))2(L˙(-))4] (1) (where L˙(-) is a semiquinonate radical and HL(-) is a monoanionic catecholate ligand), the Ga(iii) derivative crystallized as [Ga(L˙(-))3] (2), which is a polymorph of a previously reported complex...
January 10, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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