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https://www.readbyqxmd.com/read/28645120/acute-abdomen-secondary-to-ruptured-epithelial-ovarian-cancer-during-pregnancy-the-relevance-of-teamwork
#1
Carlos Manuel Ortiz-Mendoza, Sandra Adriana Vera-Vázquez, Manuel Gómez-Rodríguez, José Luis López-Gómez, Leticia Bornstein-Quevedo
Acute abdomen secondary to epithelial ovarian cancer rupture during pregnancy is a rare event. Our aim is to present how the work of a coordinated multidisciplinary team in a case of ruptured epithelial ovarian cancer during pregnancy is feasible to obtain the best results possible. A 34-year-old woman during the 37th week of her first gestation presented with an acute abdomen. During laparotomy, a ruptured 16.5-cm left ovarian tumor was detected; the tumor was extirpated and sent to pathologic evaluation. In the meantime, a Kerr cesarean section was performed, and a healthy female neonate was born...
June 23, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28644991/glimpses-into-the-blind-spot-social-interaction-and-autism
#2
REVIEW
Kristen Bottema-Beutel
A primary feature of autism spectrum disorder (ASD) is marked difficulty in social interactions. Despite the centrality of social interaction differences to the clinical presentation of ASD, only a small portion of research in this field characterizes interaction in everyday social contexts. This theoretical paper reviews the growing corpus of interactional research on ASD, including discourse analysis (DA) and conversation analysis (CA) approaches. DA and CA are micro-analytic methods aimed at understanding the organizational structure of, and actions pursued within, social encounters...
June 16, 2017: Journal of Communication Disorders
https://www.readbyqxmd.com/read/28644877/patient-experienced-burden-of-treatment-in-patients-with-multimorbidity-a-systematic-review-of-qualitative-data
#3
Michael Rosbach, John Sahl Andersen
OBJECTIVE: To synthesize existing qualitative literature on patient-experienced burden of treatment in multimorbid patients. METHODS: A literature search identified available qualitative studies on the topic of burden of treatment in multimorbidity and meta-ethnography was applied as method. The authors' original findings were preserved, but also synthesized to new interpretations to investigate the concept of the burden of treatment using the Cumulative Complexity Model...
2017: PloS One
https://www.readbyqxmd.com/read/28644630/expanding-the-therapeutic-potential-of-the-iron-chelator-deferasirox-in-the-development-of-aqueous-stable-ti-iv-anticancer-complexes
#4
Sergio A Loza-Rosas, Alexandra M Vázquez-Salgado, Kennett I Rivero, Lenny J Negrón, Yamixa Delgado, Josué A Benjamín-Rivera, Angel L Vázquez-Maldonado, Timothy B Parks, Charlene Munet-Colón, Arthur D Tinoco
The recent X-ray structure of titanium(IV)-bound human serum transferrin (STf) exhibiting citrate as a synergistic anion reveals a difference in Ti(IV) coordination versus iron(III), the metal endogenously delivered by the protein to cells. This finding enriches our bioinspired drug design strategy for Ti(IV)-based anticancer therapeutics, which applies a family of Fe(III) chelators termed chemical transferrin mimetic (cTfm) ligands to inhibit Fe bioavailability in cancer cells. Deferasirox, a drug used for iron overload disease, is a cTfm ligand that models STf coordination to Fe(III), favoring Fe(III) binding versus Ti(IV)...
June 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28644555/a-self-assembled-trigonal-prismatic-molecular-vessel-for-catalytic-dehydration-reactions-in-water
#5
Partha Sarathi Mukherjee, Paramita Das, Atul Kumar, Prodip Howlader
A water-soluble Pd6 trigonal prism (A) was synthesized by two-component coordination-driven self-assembly of a Pd(II) 90° acceptor with a tetraimidazole donor. As the walls of the prism are constructed by three conjugated aromatic building blocks, the confined pocket of the prism is hydrophobic. In addition to the hydrophobic cavity, large product egress windows make A an ideal molecular vessel to catalyze otherwise challenging pseudo multicomponent dehydration reactions in its confined nanospace in aqueous medium...
June 23, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28644502/au3-%C3%AE-3-s-0e-elementary-block-new-insights-into-ligated-gold-clusters-with-%C3%AE-3-sulfido-motifs
#6
Wen Wu Xu, Xiao Cheng Zeng, Yi Gao
An understanding of the structural stability and formation mechanism of ligated gold nanoclusters with triply coordinated μ3-sulfido (μ3-S) motifs is important not only for gold chemistry but also for the design of more effective catalysts or drug carriers for various applications. In this article, a new elementary block Au3(μ3-S) with zero valence electrons [referred to as Au3(μ3-S)(0e)] has been identified, which describes all crystallized ligated gold clusters with μ3-S motifs, in conjunction with the previously reported Au3(2e) and Au4(2e) elementary blocks, in a grand unified model (GUM)...
June 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28644489/dehydrogenation-of-cyclic-amines-by-a-coordinatively-unsaturated-cp-ir-iii-phosphoramidate-complex
#7
Marcus W Drover, Laurel L Schafer, Jennifer A Love
The reaction of a Cp*Ir(iii) phosphoramidate complex with secondary amines gives amine, imine-bound Cp*Ir(iii) hydride complexes resulting from amine dehydrogenation. These well-characterized species could serve as models of relevant intermediates that have been proposed in catalytic amine dehydrogenation using related N,O-chelated Cp*Ir(iii) pyridonate complexes.
June 23, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28644468/observation-of-electron-transfer-mediated-decay-in-aqueous-solution
#8
Isaak Unger, Robert Seidel, Stephan Thürmer, Marvin N Pohl, Emad F Aziz, Lorenz S Cederbaum, Eva Muchová, Petr Slavíček, Bernd Winter, Nikolai V Kryzhevoi
Photoionization is at the heart of X-ray photoelectron spectroscopy (XPS), which gives access to important information on a sample's local chemical environment. Local and non-local electronic decay after photoionization-in which the refilling of core holes results in electron emission from either the initially ionized species or a neighbour, respectively-have been well studied. However, electron-transfer-mediated decay (ETMD), which involves the refilling of a core hole by an electron from a neighbouring species, has not yet been observed in condensed phase...
July 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28644441/micrornas-143-and-145-induce-epithelial-to-mesenchymal-transition-and-modulate-the-expression-of-junction-proteins
#9
Lidia Avalle, Danny Incarnato, Aurora Savino, Marta Gai, Francesca Marino, Sara Pensa, Isaia Barbieri, Michael B Stadler, Paolo Provero, Salvatore Oliviero, Valeria Poli
Transforming growth factor (TGF)-β is one of the major inducers of epithelial to mesenchymal transition (EMT), a crucial program that has a critical role in promoting carcinoma's metastasis formation. MicroRNAs-143 and -145, which are both TGF-β direct transcriptional targets, are essential for the differentiation of vascular smooth muscle cells (VSMC) during embryogenesis, a TGF-β-dependent process reminiscent of EMT. Their role in adult tissues is however less well defined and even ambiguous, as their expression was correlated both positively and negatively with tumor progression...
June 23, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28644369/european-society-for-pediatric-gastroenterology-hepatology-and-nutrition-s-educational-offer-and-the-training-syllabus
#10
Marco Maglione, Daniela Finizio, Gabor Veres, Tudor Lucian Pop, Grazia Isabella Continisio, Alexandra Papadopoulou, Alfredo Guarino
The basic knowledge necessary for a European pediatric gastroenterologist/hepatologist/nutritionist (PGHN) is set-out in the Training Syllabus (TS) of the European Society for Pediatric Gastroenterology, Hepatology, and Nutrition (ESPGHAN).We retrospectively compared the topics covered in ESPGHAN's training events between 2013 and 2016 with the basic knowledge TS items.Thirty-six initiatives including e-learning were identified. Twelve (33%) courses focused on gastroenterology, 9 (25%) on hepatology, and 10 (28%) on nutrition...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644337/committee-opinion-no-705-mental-health-disorders-in-adolescents
#11
(no author information available yet)
Mental health disorders in adolescence are a significant problem, relatively common, and amenable to treatment or intervention. Obstetrician-gynecologists who see adolescent patients are highly likely to see adolescents and young women who have one or more mental health disorders. Some of these disorders may interfere with a patient's ability to understand or articulate her health concerns and appropriately adhere to recommended treatment. Some disorders or their treatments will affect the hypothalamic-pituitary-gonadal axis, causing anovulatory cycles and various menstrual disturbances...
July 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28644330/committee-opinion-no-705-summary-mental-health-disorders-in-adolescents
#12
(no author information available yet)
Mental health disorders in adolescence are a significant problem, relatively common, and amenable to treatment or intervention. Obstetrician-gynecologists who see adolescent patients are highly likely to see adolescents and young women who have one or more mental health disorders. Some of these disorders may interfere with a patient's ability to understand or articulate her health concerns and appropriately adhere to recommended treatment. Some disorders or their treatments will affect the hypothalamic-pituitary-gonadal axis, causing anovulatory cycles and various menstrual disturbances...
July 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28644300/breathlessness-in-the-primary-care-setting
#13
Noel Baxter
PURPOSE OF REVIEW: Breathlessness is a high-volume problem with 10% of adults experiencing the symptom daily placing a heavy burden on the health and wider economy. As it worsens, they enter the specialist and hospital-based symptom services where costs quickly escalate and people may find themselves in a place not of their choosing. For many, their care will be delivered by a disease or organ specialist and can find themselves passing between physicians without coordination for symptom support...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28644034/predicting-the-oxygen-binding-properties-of-platinum-nanoparticle-ensembles-by-combining-high-precision-electron-microscopy-dft
#14
Jolyon Aarons, Lewys Jones, Aakash Varambhia, Katherine E MacArthur, Dogan Ozkaya, Misbah Sarwar, Chris-Kriton Skylaris, Peter D Nellist
Many studies of heterogeneous catalysis, both experimental and computational, make use of idealised structures such as extended surfaces or regular polyhedral nanoparticles. This simplification neglects the morphological diversity in real commercial oxygen reduction reaction (ORR) catalysts used in fuel-cell cathodes. Here we introduce an approach that combines 3D nanoparticle structures obtained from high-throughput high-precision electron microscopy with density functional theory. Discrepancies between experimental observations and cuboctahedral/truncated-octahedral particles are revealed and discussed using a range of widely used descriptors, such as electron-density, d-band centres and generalised coordination numbers...
June 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28644017/spectrally-undiscerned-isomers-might-lead-to-erroneous-determination-of-water-exchange-rates-of-paracest-eu-iii-agents
#15
Nevenka Cakić, Ben Tickner, Moritz Zaiss, David Esteban-Gómez, Carlos Platas-Iglesias, Goran Angelovski
We report a detailed study of the solution structure and water exchange rate of a Eu(III) complex with the cyclen-based ligand L(1), containing (S)-2-(2-acetamido)-3-(4-(trifluoromethyl)phenyl)propanoate pendant arms at positions 1 and 7 of the cyclen ring and acetylglycinate pendants at positions 4 and 10. The EuL(1) complex was characterized by a combination of NMR and luminescence spectroscopy and density functional theory (DFT) calculations. The chemical exchange saturation transfer (CEST) spectra obtained at different temperatures and saturation powers present a CEST signal attributed to the coordinated water molecule...
June 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28644016/color-tunable-and-white-light-luminescence-in-lanthanide-dicyanoaurate-coordination-polymers
#16
Ryan J Roberts, Debbie Le, Daniel B Leznoff
The new lanthanide-dicyanoaurate coordination polymers [(n)Bu4N]2[Ln(NO3)4Au(CN)2] (Ln = Sm, Dy) and Sm[Au(CN)2]3·3H2O were prepared and structurally characterized and their luminescence spectra described. The emissions of solid-solutions of [(n)Bu4N]2[Ln(NO3)4Au(CN)2] (Ln = Ce, Sm, Eu, Tb, and Dy) were explored with an emphasis on their capacity for luminescent color tuning and white-light emission via the selection of composition, excitation wavelength, and temperature. Specifically, the binary solid-solutions [(n)Bu4N]2[Ce0...
June 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28643905/diverse-contribution-of-col2a1-expressing-cells-to-the-craniofacial-skeletal-cell-lineages
#17
N Sakagami, W Ono, N Ono
OBJECTIVES: Craniofacial skeletal development requires deliberate coordination of two distinct mechanisms of endochondral and intramembranous ossification. Col2a1-expressing cells encompass growth-associated skeletal progenitors in endochondral bones of the limb. The objective of this study was to determine the contribution of Col2a1-expressing cells to the craniofacial skeletal cell lineages. We hypothesize that Col2a1-expressing progenitors significantly contribute to various modes of ossification associated with the craniofacial development...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643874/2-6-bis-diazaboryl-pyridine-a-superbasic-sterically-demanding-pyridine-ligand
#18
Tobias Böttcher, Daniel Himmel, Jan Schröder
Herein we present a convenient one-pot route to a sterically demanding superbasic pyridine. Functionalization of the 2,6-positions with the highly sigma-donating boryl-groups shifts the calculated gas phase basicity of the pyridine's nitrogen atom to 1012 kJ mol-1, which outperforms the 'proton sponge' 1,8-bis(dimethylamino)naphthalene (996 kJ mol-1). The diazaboryl groups are oriented orthogonal to the pyridine ring and do not block the N-position, resembling the geometry of commonly used N-heterocyclic carbenes...
June 23, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28643773/a-cdc42-rhoa-regulatory-circuit-downstream-of-glycoprotein-ib-guides-transendothelial-platelet-biogenesis
#19
Sebastian Dütting, Frederique Gaits-Iacovoni, David Stegner, Michael Popp, Adrien Antkowiak, Judith M M van Eeuwijk, Paquita Nurden, Simon Stritt, Tobias Heib, Katja Aurbach, Oguzhan Angay, Deya Cherpokova, Niels Heinz, Ayesha A Baig, Maximilian G Gorelashvili, Frank Gerner, Katrin G Heinze, Jerry Ware, Georg Krohne, Zaverio M Ruggeri, Alan T Nurden, Harald Schulze, Ute Modlich, Irina Pleines, Cord Brakebusch, Bernhard Nieswandt
Blood platelets are produced by large bone marrow (BM) precursor cells, megakaryocytes (MKs), which extend cytoplasmic protrusions (proplatelets) into BM sinusoids. The molecular cues that control MK polarization towards sinusoids and limit transendothelial crossing to proplatelets remain unknown. Here, we show that the small GTPases Cdc42 and RhoA act as a regulatory circuit downstream of the MK-specific mechanoreceptor GPIb to coordinate polarized transendothelial platelet biogenesis. Functional deficiency of either GPIb or Cdc42 impairs transendothelial proplatelet formation...
June 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28643577/an-assessment-of-advance-relatives-approach-for-brain-death-organ-donation
#20
Carine Michaut, Antoine Baumann, Hélène Gregoire, Corinne Laviale, Gérard Audibert, Xavier Ducrocq
BACKGROUND: Advance announcement of forthcoming brain death has developed to enable intensivists and organ procurement organisation coordinators to more appropriately, and separately from each other, explain to relatives brain death and the subsequent post-mortem organ donation opportunity. Research aim: The aim was to assess how potentially involved healthcare professionals perceived ethical issues surrounding the strategy of advance approach. RESEARCH DESIGN: A multi-centre opinion survey using an anonymous self-administered questionnaire was conducted in the six-member hospitals of the publicly funded East of France regional organ and tissue procurement network called 'Prélor'...
January 1, 2017: Nursing Ethics
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