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https://www.readbyqxmd.com/read/28738521/ginkgo-biloba-exocarp-extracts-induces-autophagy-in-lewis-lung-cancer-cells-involving-ampk-mtor-p70s6k-signaling-pathway
#1
Chenjie Cao, Dongdong Han, Ya Su, Yu Ge, Huasheng Chen, Aihua Xu
OBJECTIVES: Ginkgo biloba L. is called a living fossil plant, and could be used for the treatment of cancer thousands of years ago in China. The extracts prepared from the Ginkgo biloba exocarp (Ginkgo biloba exocarp extracts, GBEE) has a significant anti-cancer effect. Autophagy plays an important role in the occurrence and development of cancer as programmed cell death (PCD) type II. Thus it would be interesting to study the effects and mechanisms of GBEE inducing autophagy in Lewis lung cancer (LLC) cells...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738411/polygenic-risk-for-hypertriglyceridemia-can-mimic-a-major-monogenic-mutation
#2
Priska Stahel, Changting Xiao, Robert A Hegele, Gary F Lewis
No abstract text is available yet for this article.
July 25, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28737903/transition-metal-functionalization-of-p4-using-a-diarylgermylene-anchor
#3
Cameron M E Graham, Charles L B Macdonald, Philip P Power, Zachary D Brown, Paul J Ragogna
The manipulation of white phosphorus (P4) has been a long-standing challenge for chemists. While the holy grail remains at finding a method to catalytically activate and functionalize P4 to yield new organophosphorus compounds, fundamental research lies in developing procedures to control the reactivity of elemental phosphorus. In this work, Lewis acidic transition metal moieties M(CO)5 (M = Cr, Mo, W) and AuCl react with P4 derivatized with a low valent germanium compound. For both M(CO)5 and AuCl, bis-functionalized products can be formed; however the monosubstituted derivatives are found to be more stable, and the decomposition can be monitored by (31)P{(1)H} NMR spectroscopy...
July 24, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28737813/the-synthesis-of-cuymnzal1-zox-mixed-oxide-as-a-low-temperature-nh3-scr-catalyst-with-enhanced-catalytic-performance
#4
Qinghua Yan, Sining Chen, Lei Qiu, Yanshan Gao, Dermot O'Hare, Qiang Wang
A new type of low-temperature selective catalytic reduction (SCR) catalyst, CuyMnzAl1-zOx, derived from layered double hydroxides is presented in this contribution. By tuning the Cu/Mn/Al ratio, the optimal catalyst Cu2Mn0.5Al0.5Ox resulted in a NOx conversion of 91.2% at 150 °C, which is much higher than that of all other control catalysts, Cu2AlOx (71.1%), Cu-Mn/γ-Al2O3 (65.23%), and Mn/γ-Al2O3 (59.32%). All samples were characterized in detail using various physico-chemical techniques including XRD, BET, FTIR, TEM, H2-TPR, NH3-TPD, and XPS analyses, and the results revealed that the superior catalytic performance of the Cu2Mn0...
July 24, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28737804/modulation-of-in-out-and-out-out-conformations-in-x-x-x-phosphatranes-by-lewis-acids
#5
Goar Sánchez-Sanz, Cristina Trujillo, Ibon Alkorta, José Elguero
A theoretical study of [X.X'.X'']phosphatrane:Lewis acid complexes has been carried out in order to analyze how the in:out and out:out conformations can be modulated by the interaction with Lewis acids (LA). It has been found that in:out structures are more stable in larger systems i.e. in [4.4.3]:LA and [4.4.4]:LA than in [3.3.3]:LA and [4.3.3]:LA. The results obtained for the relative energies in conjunction with electron density properties showed that upon complexation, in:out conformers become more stable with the increasing acidity of the corresponding Lewis acid...
July 24, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28737507/leukotrienes-and-sex-strange-bedfellows
#6
Lewis J Smith
Leukotrienes are proinflammatory lipid mediators that have been shown to be upregulated in several diseases, including asthma, aspirin-exacerbated respiratory disease (AERD), inflammatory bowel disease, and acute respiratory distress syndrome. Leukotrienes have been explored as therapeutic targets for these diseases and others; however, leukotriene inhibitors have had limited success in the clinic. There are noted differences in the incidence of leukotriene-mediated diseases in males and females, but sex as a factor in the response to leukotriene inhibitors has not been fully explored...
July 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28736648/the-utility-of-positron-emission-tomography-computed-tomography-in-target-delineation-for-stereotactic-body-radiotherapy-for-liver-metastasis-from-primary-gastric-cancer-an-illustrative-case-report-and-literature-review
#7
Gary D Lewis, Stephen B Chiang, E Brian Butler, Bin S Teh
The liver is a common site for metastatic disease for many cancers. Radiation therapy is one means of treatment for liver metastases, especially for patients unable to undergo surgery or ineligible for systemic chemotherapy. In particular, stereotactic body radiotherapy (SBRT) has become an important option in the treatment of metastatic disease in the liver. SBRT delivers ablative doses of radiation in relatively few fractions. As such, precise and clear imaging plays an important role in maximizing disease control while minimizing normal tissue toxicity...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28736188/asparaginase-associated-pancreatitis-in-childhood-acute-lymphoblastic-leukaemia-an-observational-ponte-di-legno-toxicity-working-group-study
#8
Benjamin O Wolthers, Thomas L Frandsen, André Baruchel, Andishe Attarbaschi, Shlomit Barzilai, Antonella Colombini, Gabriele Escherich, Kathrine Grell, Hiroto Inaba, Gábor Kovacs, Der-Cherng Liang, Marion Mateos, Veerle Mondelaers, Anja Möricke, Tomasz Ociepa, Sujith Samarasinghe, Lewis B Silverman, Inge M van der Sluis, Martin Stanulla, Lynda M Vrooman, Michihiro Yano, Ester Zapotocka, Kjeld Schmiegelow
BACKGROUND: Survival for childhood acute lymphoblastic leukaemia surpasses 90% with contemporary therapy; however, patients remain burdened by the severe toxic effects of treatment, including asparaginase-associated pancreatitis. To investigate the risk of complications and risk of re-exposing patients with asparaginase-associated pancreatitis to asparaginase, 18 acute lymphoblastic leukaemia trial groups merged data for this observational study. METHODS: Patient files from 26 trials run by 18 trial groups were reviewed on children (aged 1·0-17·9 years) diagnosed with t(9;22)-negative acute lymphoblastic leukaemia between June 1, 1996, and Jan 1, 2016, who within 50 days of asparaginase exposure developed asparaginase-associated pancreatitis...
July 20, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28736090/never-say-never-identification-of-acute-pulmonary-embolism-on-non-contrast-computed-tomography-imaging
#9
Christopher Thom, Nathan Lewis
No abstract text is available yet for this article.
July 15, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28736027/suppression-of-delayed-xenograft-rejection-by-resveratrol-in-a-hamster-to-rat-cardiac-transplantation-model
#10
Y Lian, C Gao, Y Wu, J Xia, Y Leng, Y Liu, M Zhu, J Chen, Z Qi
BACKGROUND: Delayed xenograft rejection (DXR) is an insurmountable barrier for xenotransplantation. Previous studies reported that hamster hearts transplanted into rats undergo DXR and stop functioning after the cessation of immunosuppression. Herein, we investigated the effects of resveratrol on preventing DXR in a hamster-to-rat vascularized cardiac xenograft model. METHODS: Hamster hearts were engrafted into Lewis rat recipients. Recipient rats received a graft acceptance-inducing treatment of leflunomide and FK506 for 2 weeks to prevent acute xenograft rejection (AXR)...
July 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28735965/safety-profile-and-immunologic-responses-of-a-novel-vaccine-against-shigella-sonnei-administered-intramuscularly-intradermally-and-intranasally-results-from-two-parallel-randomized-phase-1-clinical-studies-in-healthy-adult-volunteers-in-europe
#11
Odile Launay, David J M Lewis, Alessandra Anemona, Pierre Loulergue, Jo Leahy, Antonella Silvia Sciré, Anaïs Maugard, Elisa Marchetti, Stefano Zancan, Zhiming Huo, Simona Rondini, Rachid Marhaba, Oretta Finco, Laura B Martin, Jochen Auerbach, Daniel Cohen, Allan Saul, Christiane Gerke, Audino Podda
BACKGROUND: Approximately 164,000 deaths yearly are due to shigellosis, primarily in developing countries. Thus, a safe and affordable Shigella vaccine is an important public health priority. The GSK Vaccines Institute for Global Health (GVGH) developed a candidate Shigella sonnei vaccine (1790GAHB) using the Generalized Modules for Membrane Antigens (GMMA) technology. The paper reports results of 1790GAHB Phase 1 studies in healthy European adults. METHODS: To evaluate the safety and immunogenicity profiles of 1790GAHB, we performed two parallel, phase 1, observer-blind, randomized, placebo-controlled, dose escalation studies in France ("study 1") and the United Kingdom ("study 2") between February 2014 and April 2015 (ClinicalTrials...
July 15, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28735771/toxicosurveillance-in-the-us-opioid-epidemic
#12
Scott N Lucyk, Lewis S Nelson
No abstract text is available yet for this article.
June 24, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28735603/the-utility-of-single-item-readiness-screeners-in-middle-school
#13
Crystal G Lewis, Keith C Herman, Francis L Huang, Melissa Stormont, Caroline Grossman, Colleen Eddy, Wendy M Reinke
This study examined the benefit of utilizing one-item academic and one-item behavior readiness teacher-rated screeners at the beginning of the school year to predict end-of-school year outcomes for middle school students. The Middle School Academic and Behavior Readiness (M-ABR) screeners were developed to provide an efficient and effective way to assess readiness in students. Participants included 889 students in 62 middle school classrooms in an urban Missouri school district. Concurrent validity with the M-ABR items and other indicators of readiness in the fall were evaluated using Pearson product-moment correlation coefficients, with the academic readiness item having medium to strong correlations with other baseline academic indicators (r=±0...
October 2017: Journal of School Psychology
https://www.readbyqxmd.com/read/28735291/subclinical-atherosclerosis-cardiac-and-kidney-function-heart-failure-and-dementia-in-the-very-elderly
#14
Lewis H Kuller, Oscar L Lopez, John S Gottdiener, Dalane W Kitzman, James T Becker, Yuefang Chang, Anne B Newman
BACKGROUND: Heart failure (HF) and dementia are major causes of disability and death among older individuals. Risk factors and biomarkers of HF may be determinants of dementia in the elderly. We evaluated the relationship between biomarkers of cardiovascular disease and HF and risk of dementia and death. Three hypotheses were tested: (1) higher levels of high-sensitivity cardiac troponin T, N-terminal of prohormone brain natriuretic peptide, and cystatin C predict risk of death, cardiovascular disease, HF, and dementia; (2) higher levels of cardiovascular disease biomarkers are associated with increased risk of HF and then secondary increased risk of dementia; and (3) risk of dementia is lower among participants with a combination of lower coronary artery calcium, atherosclerosis, and lower high-sensitivity cardiac troponin T (myocardial injury)...
July 22, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28734699/an-update-on-the-genetics-of-dementia-with-lewy-bodies
#15
REVIEW
Leonie J M Vergouw, Inger van Steenoven, Wilma D J van de Berg, Charlotte E Teunissen, John C van Swieten, Vincenzo Bonifati, Afina W Lemstra, Frank Jan de Jong
The genetic architecture of dementia with Lewy bodies (DLB) is increasingly taking shape. Initially, genetic research focused mainly on linkage and candidate gene studies in small series of DLB patients. More recently, association and exome sequencing studies in larger groups have been conducted, and have shown that several variants in GBA and the APOE ε4 allele are important genetic risk factors for DLB. However, genetic research in DLB is still in its infancy. So far, many genetic studies have been biased and performed in clinically and pathologically heterogeneous populations...
July 13, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28734065/fdg-pet-dopamine-transporter-spect-and-olfaction-combining-biomarkers-in-rem-sleep-behavior-disorder
#16
Sanne K Meles, David Vadasz, Remco J Renken, Elisabeth Sittig-Wiegand, Geert Mayer, Candan Depboylu, Kathrin Reetz, Sebastiaan Overeem, Angelique Pijpers, Fransje E Reesink, Teus van Laar, Lisette Heinen, Laura K Teune, Helmut Höffken, Marcus Luster, Karl Kesper, Sofie M Adriaanse, Jan Booij, Klaus L Leenders, Wolfgang H Oertel
BACKGROUND: Idiopathic REM sleep behavior disorder is a prodromal stage of Parkinson's disease and dementia with Lewy bodies. Hyposmia, reduced dopamine transporter binding, and expression of the brain metabolic PD-related pattern were each associated with increased risk of conversion to PD. The objective of this study was to study the relationship between the PD-related pattern, dopamine transporter binding, and olfaction in idiopathic REM sleep behavior disorder. METHODS: In this cross-sectional study, 21 idiopathic REM sleep behavior disorder subjects underwent (18) F-fluorodeoxyglucose PET, dopamine transporter imaging, and olfactory testing...
July 22, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28734043/enabling-reduction-of-low-grade-inflammation-in-seniors-pilot-study-concept-rationale-and-design
#17
Todd M Manini, Stephen D Anton, Daniel P Beavers, Jane A Cauley, Mark A Espeland, Roger A Fielding, Stephen B Kritchevsky, Christiaan Leeuwenburgh, Kristina H Lewis, Christine Liu, Mary M McDermott, Michael E Miller, Russell P Tracy, Jeremy D Walston, Barbara Radziszewska, Jane Lu, Cindy Stowe, Samuel Wu, Anne B Newman, Walter T Ambrosius, Marco Pahor
OBJECTIVES: To test two interventions to reduce interleukin (IL)-6 levels, an indicator of low-grade chronic inflammation and an independent risk factor for impaired mobility and slow walking speed in older adults. DESIGN: The ENabling Reduction of low-Grade Inflammation in SEniors (ENRGISE) Pilot Study was a multicenter, double-blind, placebo-controlled randomized pilot trial of two interventions to reduce IL-6 levels. SETTING: Five university-based research centers...
July 22, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28734014/improving-postmortem-testing-for-perinatal-death-from-the-parents-perspective
#18
Lindsey J Wimmer, Claire Storey, Robert Silver
Parents experiencing the death of a baby through stillbirth, neonatal death, or other perinatal losses are required to make several decisions while under a great deal of emotional distress. One such decision is whether or not to pursue testing that could provide more information about their baby's death. Lewis and colleagues state that postmortem testing is the most valuable tool available to learn about cause of death and implications for future health and pregnancies. This article is protected by copyright...
July 22, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28733988/non-planar-n-cyclo-1-8-carbazolylenes-n-3-4-6-and-3-cyclo-1-8-carbazolylenyl-b-p-po-siph-complexes
#19
Koji Yamamoto, Palash Pandit, Shuhei Higashibayashi
A new family of non-planar heterocyclic molecules consisting of carbazoles was created. A bowl-shaped cyclodimer, a flake-shaped cyclotrimer, a double-decker-ring-shaped cyclotetramer and a cyclohexamer were synthesized by Ni(0)-mediated one-shot cyclo-oligomerization of 1,8-dibromocarbazole, and were named [n]cyclo-1,8-carbazolylenes (n = 3,4,6). [3]Cyclo-1,8-carbazolylene was found to act as a trivalent tridentate ligand for heteroatoms (B, P, Si), giving flake-shaped complexes. The boron derivative acted as a Lewis acid, and the tetra-coordinated complexes showed an unprecedented red-shift of absorption and emission spectra by the coordination...
July 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28733881/a-dft-study-of-hydrogen-and-methane-activation-by-b-c6f5-3-p-t-bu-3-and-al-c6f5-3-p-t-bu-3-frustrated-lewis-pairs
#20
Nery Villegas-Escobar, Alejandro Toro-Labbé, Marcos Becerra, Misael Real-Enriquez, Jose R Mora, Luis Rincon
This contribution presents a computational study aimed at understanding factors affecting barriers associated with the activation of the H-H bond in molecular hydrogen and the H-CH3 bond in methane mediated by intermolecular Frustrated Lewis Pairs (FLPs). The classical phosphine P(t-Bu)3 Lewis base in conjunction with two Lewis acids, B(C6F5)3 and Al(C6F5)3, were used as representative models of intermolecular FLPs. DFT calculations were performed using the dispersion corrected ωB97x-D functional, including toluene as a solvent through the PCM-SMD implicit solvent scheme...
August 2017: Journal of Molecular Modeling
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