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https://www.readbyqxmd.com/read/28230362/oxidation-of-%C3%AE-ketoamides-the-synthesis-of-vicinal-tricarbonyl-amides
#1
Yueyang Liu, Zhiguo Zhang, Yameng Wan, Guisheng Zhang, Zhonglian Li, Jingjing Bi, Nana Ma, Tong-Xin Liu, Qingfeng Liu
A facile and direct oxidative reaction for the synthesis of vicinal tricarbonyl amides (VTAs) in moderate to excellent yields (53%-88%) was developed starting from readily available β-ketoamides in the presence of phenyliodine(III) bis(trifluoroacetate) (PIFA). The resulting products possess significant synthetic potential, making this approach a valuable addition to the traditional methods already available for the preparation of these molecules.
February 23, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28228178/the-state-of-emergency-medical-services-ems-systems-in-africa
#2
Nee-Kofi Mould-Millman, Julia M Dixon, Nana Sefa, Arthur Yancey, Bonaventure G Hollong, Mohamed Hagahmed, Adit A Ginde, Lee A Wallis
: Introduction Little is known about the existence, distribution, and characteristics of Emergency Medical Services (EMS) systems in Africa, or the corresponding epidemiology of prehospital illness and injury. METHODS: A survey was conducted between 2013 and 2014 by distributing a detailed EMS system questionnaire to experts in paper and electronic versions. The questionnaire ascertained EMS systems' jurisdiction, operations, finance, clinical care, resources, and regulatory environment...
February 23, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28225614/synthesis-of-quinoidal-fused-oligosiloles-by-rhodium-catalyzed-stitching-reaction-and-theoretical-investigation-of-their-properties
#3
Ryo Shintani, Nana Misawa, Tomohiro Tsuda, Ryo Iino, Mikiya Fujii, Koichi Yamashita, Kyoko Nozaki
New quinoidal fused oligosiloles containing even-number silole units have been synthesized by a rhodium-catalyzed stitching reaction. By employing [RhCl(tfb)]2 as the catalyst, the stitching efficiency was significantly improved, and up to six siloles could be fused in a quinoidal form. Through the systematic comparison of Si1-Si6' in their physical properties, the unique trend in their LUMO levels has been confirmed, which become higher with longer pi-conjugation. To understand the origin of this unusual trend, theoretical calculations have also been carried out using various model compounds, and the results indicated that the terminal indenylidene (cyclopentadienylidene) moieties in Si1-Si6 (Si1a-Si6a) are primarily responsible for this phenomenon through their frontier orbital correlations with the HOMO of the central polyene unit, which becomes higher with longer conjugation...
February 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28224564/increased-glucocorticoid-receptor-expression-in-sepsis-is-related-to-heat-shock-proteins-cytokines-and-cortisol-and-is-associated-with-increased-mortality
#4
Konstantinos Vardas, Stavroula Ilia, Amalia Sertedaki, Evangelia Charmandari, Efrossini Briassouli, Dimitris Goukos, Kleovoulos Apostolou, Katerina Psarra, Efthimia Botoula, Stylianos Tsagarakis, Eleni Magira, Christina Routsi, Constantine A Stratakis, Serafim Nanas, George Briassoulis
BACKGROUND: The purposes of this study are to examine if the human glucocorticoid receptor (hGR) isoform-α mRNA and hGR protein expressions are deficient in the acute phase of sepsis (S) compared to systemic inflammatory response syndrome (SIRS) and healthy subjects (H) and to evaluate if the hGRα and hGR alterations are associated with cortisol changes and if they are related to (1) extracellular and intracellular heat shock proteins (HSP) 72 and 90α; (2) ACTH, prolactin, and interleukins (ILs); and (3) outcome...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28224463/liraglutide-versus-lixisenatide-long-term-cost-effectiveness-of-glp-1-receptor-agonist-therapy-for-the-treatment-of-type-2-diabetes-in-spain
#5
Pedro Mezquita-Raya, Antonio Ramírez de Arellano, Nana Kragh, Gabriela Vega-Hernandez, Johannes Pöhlmann, William J Valentine, Barnaby Hunt
INTRODUCTION: Glucagon-like peptide-1 (GLP-1) receptor agonists are used successfully in the treatment of patients with type 2 diabetes as they are associated with low hypoglycemia rates, weight loss and improved glycemic control. This study compared, in the Spanish setting, the cost-effectiveness of liraglutide 1.8 mg versus lixisenatide 20 μg, both GLP-1 receptor agonists, for patients with type 2 diabetes who had not achieved glycemic control targets on metformin monotherapy. METHODS: The IMS CORE Diabetes Model was used to project clinical outcomes and costs, expressed in 2015 Euros, over patient lifetimes...
February 21, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28224144/facile-synthesis-of-3d-porous-co3v2o8-nanoroses-and-2d-nico2v2o8-nanoplates-for-high-performance-supercapacitors-and-their-electrocatalytic-oxygen-evolution-reaction-properties
#6
Jingchao Zhang, Baiqing Yuan, Shufang Cui, Nana Zhang, Jingjing Wei, Xiao Wang, Daojun Zhang, Renchun Zhang, Qisheng Huo
Binary metal oxides have recently attracted extensive attention from researchers in the energy storage and conversion field due to their high energy densities and multiple oxidation states. Novel 3D Co3V2O8 porous rose-like structures and 2D NiCo2V2O8 nanoplates were facilely synthesized via a solvothermal method, and the morphologies, Ni/Co ratios, and surface area of these samples can be easily tuned in the same procedure. The as-prepared Co3V2O8 porous rose-like structure exhibited good electrocatalytic oxygen evolution performance with excellent activity and stability...
February 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28224032/prevalence-of-intestinal-parasites-in-referred-individuals-to-the-medical-centers-of-tonekabon-city-mazandaran-province
#7
Samira Shahdoust, Maryam Niyyati, Ali Haghighi, Eznoallah Azargashb, Mohammad Reza Khataminejad
AIM: The aim of the present study was to determine the prevalence of intestinal parasites and their relation with socio-demographic data in referred individuals to the medical centers in Tonekabon, Mazandaran province, 2015. BACKGROUND: Due to the climatic and ecological conditions in Mazandaran province, determination of the status of intestinal parasites among referred individuals to the medical centers of Tonekabon city can help researchers and healthcare services to prevent and/or control of parasitic infection in this region...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28222754/exploring-stakeholders-perceptions-of-a-task-shifting-strategy-for-hypertension-control-in-ghana-a-qualitative-study
#8
Juliet Iwelunmor, Joyce Gyamfi, Jacob Plange-Rhule, Sarah Blackstone, Nana Kofi Quakyi, Michael Ntim, Ferdinand Zizi, Kwasi Yeboah-Awudzi, Alexis Nang-Belfubah, Gbenga Ogedegbe
BACKGROUND: The purpose of this study was to explore stakeholders' perception of an on-going evidence-based task-shifting strategy for hypertension (TASSH) in 32 community health centers and district hospitals in Ghana. METHODS: Using focus group discussions and in-depth interviews, qualitative data were obtained from 81 key stakeholders including patients, nurses, and site directors of participating community health centers involved in the TASSH trial. Qualitative data were analyzed using open and axial coding techniques...
February 21, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28222192/blastocystis-subtyping-and-its-association-with-intestinal-parasites-in-children-from-different-geographical-regions-of-colombia
#9
Juan David Ramírez, Carolina Flórez, Mario Olivera, María Consuelo Bernal, Julio Cesar Giraldo
Blastocystis is a common enteric protist colonizing probably more than 1 billion people with a large variety of non-human hosts. Remarkable genetic diversity has been observed, leading to the subdivision of the genus into multiple subtypes (ST), some of which are exclusively found in non-human hosts. The aim of this study was to determine the distribution of Blastocystis STs/18S alleles in symptomatic (abdominal pain, anal pruritus, diarrhea, headache, nauseas and/or vomit) and asymptomatic children from nine geographical regions of Colombia...
2017: PloS One
https://www.readbyqxmd.com/read/28219994/coinfection-with-hymenolepis-nana-hymenolepis-diminuta-giardia-intestinalis-and-human-immunodeficiency-virus-a-case-report-with-complex-immunologic-interactions
#10
Gladymar Pérez-Chacón, Leonor A Pocaterra, Elsy Rojas, Aurora Hernán, Juan Carlos Jiménez, Luz Núñez
We describe the case of a 43-year-old human immunodeficiency virus-infected man receiving combined antiretroviral therapy and coinfected with Hymenolepis nana, Hymenolepis diminuta, and Giardia intestinalis, presenting as chronic diarrhea and critical weight loss. Immunological aspects of these interactions are reviewed.
February 20, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28218742/mirna-expression-profiles-reveal-the-involvement-of-mir-26a-mir-548l-and-mir-34a-in-hepatocellular-carcinoma-progression-through-regulation-of-st3gal5
#11
Hongjiao Cai, Huimin Zhou, Yuan Miao, Nana Li, Lifen Zhao, Li Jia
MicroRNAs (miRNAs) have key roles in comprehensive physiological and pathological processes by targeting specific genes through translational repression. Identification of miRNAs related to metastasis enables us to obtain better insight into cancer development. In the current study, we investigated the miRNA expressional profiles in the highly invasive human hepatocellular carcinoma cell line MHCC97-H and MHCC97-L with lower metastatic potential using miRNA microarrays. By quantitative real-time PCR, we confirmed the results of miRNA experiments...
February 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28218391/mapk3-1-participates-in-the-activation-of-primordial-follicles-through-mtorc1-kitl-signaling
#12
Yu Zhao, Yu Zhang, Jia Li, Nana Zheng, Xiaoting Xu, Jing Yang, Guoliang Xia, Meijia Zhang
The majority of ovarian primordial follicles are preserved in a dormant state to maintain the female reproductive lifespan, and only a few primordial follicles are activated to enter the growing follicle pool in each wave. Recent studies have shown that primordial follicular activation depends on mammalian target of rapamycin complex 1 (mTORC1)-KIT ligand (KITL) signaling in pre-granulosa cells and its receptor (KIT)-phosphoinositol 3 kinase (PI3K) signaling in oocytes. However, the upstream regulator of mTORC1 signaling is unclear...
February 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28212885/epinephrine-promotes-cox-2-dependent-immune-suppression-in-myeloid-cells-and-cancer-tissues
#13
Ravikumar Muthuswamy, Nana J Okada, Frank J Jenkins, Kandace McGuire, Priscilla F McAuliffe, Herbert J Zeh, David L Bartlett, Callen Wallace, Simon Watkins, Jill D Henning, Dana H Bovbjerg, Pawel Kalinski
Activation of the sympathetic nervous system (e.g., due to stress) has been implicated in cancer progression and recurrence, but its cancer-promoting effects have been variable between different studies. Here, we report that although catecholamines, mediators of systemic sympathetic activity, display only weak immunosuppressive impact on their own, their combination with inflammatory signals leads to the induction of COX-2 and multiple COX-2-dependent suppressive factors in human myeloid cells and cancer tissues...
February 14, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28210495/reproducibility-of-pulmonary-blood-flow-measurements-by-phase-contrast-mri-using-different-1-5-t-mr-scanners-at-two-institutions
#14
Rin Iraha, Nanae Tsuchiya, Tsuneo Yamashiro, Tae Iwasawa, Sadayuki Murayama
BACKGROUND: Magnetic resonance imaging (MRI) can be beneficial for diagnosis of disease by offering quantitative information. However, reproducibility can be a major problem when there is a numerical threshold in multi-institution, multi-vendor situations. PURPOSE: To measure pulmonary blood flow with phase-contrast (PC) imaging using two different MR scanners (1.5 T) at different institutions in the same participants and to examine the reproducibility of the measurements...
January 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28210256/transcriptomic-analysis-of-the-innate-antiviral-immune-response-in-porcine-intestinal-epithelial-cells-influence-of-immunobiotic-lactobacilli
#15
Leonardo Albarracin, Hisakazu Kobayashi, Hikaru Iida, Nana Sato, Tomonori Nochi, Hisashi Aso, Susana Salva, Susana Alvarez, Haruki Kitazawa, Julio Villena
Lactobacillus rhamnosus CRL1505 and Lactobacillus plantarum CRL1506 are immunobiotic strains able to increase protection against viral intestinal infections as demonstrated in animal models and humans. To gain insight into the host-immunobiotic interaction, the transcriptomic response of porcine intestinal epithelial (PIE) cells to the challenge with viral molecular associated pattern poly(I:C) and the changes in the transcriptomic profile induced by the immunobiotics strains CRL1505 and CRL1506 were investigated in this work...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28207785/dna-methylation-of-the-fthl17-5-upstream-region-regulates-differential-fthl17-expression-in-lung-cancer-cells-and-germline-stem-cells
#16
Nana Aoki, Kentaro Mochizuki, Yasuhisa Matsui
The Ferritin heavy polypeptide-like 17 (Fthl17) gene is a member of the cancer/testis antigen gene family, and is preferentially expressed in cancer cells and in testis. Although DNA methylation has been linked to the regulation of human FTHL17 gene expression, detailed epigenetic regulation of its expression has not been investigated. To address this, we assessed the epigenetic regulation of murine Fthl17 gene expression in cancer cells and germ cells. Fthl17 was more highly expressed in testis, a murine lung cancer cell line, KLN205, and in germline stem cells (GSCs) than in normal lung tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28207563/indocyanine-green-lymphography-for-lymphedema-screening-following-breast-cancer-treatment
#17
Takumi Yamamoto, Nana Yamamoto, Ryohei Ishiura
No abstract text is available yet for this article.
February 14, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28203408/determinants-of-prolonged-intensive-care-unit-stay-in-patients-after-cardiac-surgery-a-prospective-observational-study
#18
Theodore Kapadohos, Epameinondas Angelopoulos, Ioannis Vasileiadis, Serafeim Nanas, Anastasia Kotanidou, Andreas Karabinis, Katerina Marathias, Christina Routsi
BACKGROUND: Prolonged intensive care unit (ICU) stay of patients after cardiac surgery has a major impact on overall cost and resource utilization. The aim of this study was to identify perioperative factors which prolong stay in ICU. METHODS: All adult patients from a single, specialized cardiac center who were admitted to the ICU after cardiac surgery during a 2-month period were included. Demographic and clinical characteristics, comorbidities, preoperative use of drugs, intraoperative variables, and postoperative course were recorded...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28203197/a-case-of-syphilitic-uveitis-in-which-vitreous-surgery-was-useful-for-the-diagnosis-and-treatment
#19
Takatoshi Kobayashi, Chihiro Katsumura, Hiromi Shoda, Nanae Takai, Sayako Takeda, Takako Okamoto, Koichi Maruyama, Rei Tada, Kensuke Tajiri, Teruyo Kida, Tsunehiko Ikeda
PURPOSE: To report a case of atypical syphilitic uveitis complicated with retinal vasculitis, proliferative retinopathy, and vitreous hemorrhage in which vitreous surgery was useful for the diagnosis and treatment. CASE REPORT: A 38-year-old female was referred to our hospital after noticing visual disturbance in her right eye. Fundoscopy examination of that eye revealed retinal phlebitis accompanied by retinal hemorrhage and soft exudate, and remarkable exudative changes in the retinal vessels from the upper arcade to the macula region...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28196122/detrimental-elavl-1-hur-dependent-gsk3%C3%AE-mrna-stabilization-impairs-resolution-in-acute-respiratory-distress-syndrome
#20
Olivia Hoffman, Nana Burns, István Vadász, Holger K Eltzschig, Michael G Edwards, Christine U Vohwinkel
A hallmark of acute respiratory distress syndrome (ARDS) is accumulation of protein-rich edema in the distal airspaces and its removal is critical for patient survival. Previous studies have shown a detrimental role of Glycogen Synthase Kinase (GSK) 3β during ARDS via inhibition of alveolar epithelial protein transport. We hypothesized that post-transcriptional regulation of GSK3β could play a functional role in ARDS resolution. To address this hypothesis, we performed an in silico analysis to identify regulatory genes whose expression correlation to GSK3β messenger RNA utilizing two lung cancer cell line array datasets...
2017: PloS One
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