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https://www.readbyqxmd.com/read/28921919/oral-glucose-lowering-with-linagliptin-and-metformin-compared-with-linagliptin-alone-as-initial-treatment-in-asian-patients-with-newly-diagnosed-type-2-diabetes-and-marked-hyperglycemia-subgroup-analysis-of-a-randomized-clinical-trial
#1
Ronald Cw Ma, Stefano Del Prato, Baptist Gallwitz, Vyankatesh K Shivane, Diane Lewis-D'Agostino, Zelie Bailes, Sanjay Patel, Jisoo Lee, Maximilian von Eynatten, Maximiliano Di Domenico, Stuart A Ross
AIMS/INTRODUCTION: Type 2 diabetes mellitus (T2DM) is an epidemic in Asia, yet clinical trials of glucose-lowering therapies often enrol predominantly Western populations. We explored the initial combination of metformin and linagliptin, a dipeptidyl peptidase-4 inhibitor, in newly diagnosed T2DM patients in Asia with marked hyperglycemia. MATERIALS AND METHODS: This was a post-hoc subgroup analysis of a multinational, parallel-group clinical trial in which 316 newly diagnosed T2DM patients with glycated hemoglobin A1c (HbA1c) 8...
September 16, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28904211/zonda-is-a-novel-early-component-of-the-autophagy-pathway-in-drosophila
#2
Mariana Melani, Ayelén Valko, Nuria M Romero, Milton O Aguilera, Julieta M Acevedo, Zambarlal Bhujabal, Joel Perez-Perri, Rocío V de la Riva-Carrasco, Maximiliano J Katz, Eleonora Sorianello, Cecilia D'Alessio, Gabor Juhász, Terje Johansen, María I Colombo, Pablo Wappner
Autophagy is an evolutionary conserved process by which eukaryotic cells undergo self-digestion of cytoplasmic components. Here we report that a novel Drosophila immunophilin, which we have named Zonda, is critically required for starvation-induced autophagy. We show that Zonda operates at early stages of the process, specifically for Vps34-mediated phosphatidylinositol 3-phosphate (PI3P) deposition. Zonda displays an even distribution under basal conditions, and soon after starvation nucleates in endoplasmic reticulum-associated foci that colocalize with omegasome markers...
September 13, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28903185/mixed-micelles-for-encapsulation-of-doxorubicin-with-enhanced-in-vitro-cytotoxicity-on-breast-and-ovarian-cancer-cell-lines-versus-doxil-%C3%A2
#3
Maximiliano Cagel, Ezequiel Bernabeu, Lorena Gonzalez, Eduardo Lagomarsino, Marcela Zubillaga, Marcela A Moretton, Diego A Chiappetta
Doxorubicin (DOX) is used as a "first-line" antineoplastic drug in ovarian and metastatic breast cancer. However, serious side effects, such as cardiotoxicity have been reported after DOX intravenous administration. Hence, we investigated different micelle-former biomaterials, as Soluplus(®), Pluronic F127, Tetronic T1107 and d-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) to develop a potential mixed micellar nanocarrier for DOX delivery. Since DOX hydrochloride is a poor candidate to be encapsulated inside the hydrophobic core of the mixed micelles, we assayed a hydrophobic complex between DOX and sodium deoxycholate (NaDC) as an excellent candidate to be encapsulated within polymeric micelles...
September 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28902236/should-my-composite-restorations-last-forever-why-are-they-failing
#4
Flávio Fernando Demarco, Kauê Collares, Marcos Britto Correa, Maximiliano Sergio Cenci, Rafael Ratto de Moraes, Niek Johannes Opdam
Composites resins have become the first choice for direct anterior and posterior restorations. The great popularity is related to their esthetic appearance and reduced need of sound tissue removal as compared with former treatments. Several studies have demonstrated that composite restorations may last long in clinical service. In this review we discuss the factors playing a role on the long-term longevity. Composite restorations have demonstrated a good clinical performance with annual failure rates varying from 1% to 3% in posterior teeth and 1% to 5% in anterior teeth...
August 28, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28877782/chemometric-assisted-spectrophotometric-method-for-the-simultaneous-quantitative-determination-of-ezetimibe-and-simvastatin-in-their-combined-dosage-forms
#5
Fernanda Heringer de Souza, Vítor Todeschini, Maximiliano da Silva Sangoi
The multivariate method, partial least-squares (PLS), was used as a calibration procedure for the simultaneousUV spectrophotometric determination of ezetimibe and simvastatin in their pharmaceutical forms. The method was developed and satisfactorily validated according to International Conference on Harmonization guidelines with respect to specificity, linearity, precision, accuracy, and robustness. In this study, the PLS algorithms are based on the absorption spectra of 25 different mixtures of drugs obtained by a multilevel factorial design...
September 6, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28864364/role-of-astrocyte-connexin-hemichannels-in-cortical-spreading-depression
#6
REVIEW
Maximiliano Rovegno, Juan C Sáez
Cortical spreading depression (CSD) is an intriguing phenomenon consisting of massive slow brain depolarizations that affects neurons and glial cells. It has been recognized since 1944, but its pathogenesis has only been uncovered during the last decade. Acute brain injuries can be further complicated by CSD in more than 50% of severe cases. This phenomenon is repetitive and produces a metabolic overload that increments secondary damage. Propagation of CSD is known to be linked to excitotoxicity, but the mechanisms associated with its initiation remain less understood...
August 29, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28858860/minimal-gap-size-and-dentin-wall-lesion-development-next-to-resin-composite-in-a-microcosm-biofilm-model
#7
Tamires T Maske, Nicolien K Kuper, Maximiliano S Cenci, Marie-Charlotte D N J M Huysmans
This in vitro study investigated the development of dentin wall lesions next to resin composite containing very small gap sizes using an in vitro biofilm model, and evaluated whether a relevant threshold for the gap size could be established. Microcosm biofilms were grown for 14 days within small interfacial gaps between dentin-resin composite discs under intermittent cariogenic challenge. The factor under study was gap size: samples were either restored with composite resin without adhesive procedure (no intentional gap; no bonding [NB] group) or with intentional gaps of 30, 60, or 90 µm, or with complete adhesive procedure (no gap; bonding [B] group)...
September 1, 2017: Caries Research
https://www.readbyqxmd.com/read/28853339/tdq-60-a-color-picture-naming-test-for-adults-and-elderly-people-validation-and-normalization-data
#8
Joël Macoir, Catherine Beaudoin, Josée Bluteau, Olivier Potvin, Maximiliano A Wilson
Word-finding difficulties are usually assessed with picture-naming tests. In this article, we present the TDQ-60, a new test designed to assess acquired lexical access deficits, taking into account semantics and psycholinguistic variables. The article includes three studies. Study 1 describes the development phase of the TDQ-60.  In study 2, healthy control participants and individuals with a diagnosis of the semantic variant of primary progressive aphasia were assessed to establish the convergent and discriminant validity of the TDQ-60...
August 30, 2017: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/28842996/use-of-pharyngeal-packs-in-functional-endoscopic-sinus-surgery-a-randomized-controlled-trial
#9
Ross Green, Neeraja Konuthula, Maximiliano Sobrero, Alok Saini, Arjun Parasher, Christopher Pool, Adam I Levine, Samuel DeMaria, Ryan Tufts, Satish Govindaraj, Alfred Marc Iloreta
OBJECTIVE: To determine if pharyngeal packs have an effect on postoperative pain and postoperative nausea and vomiting in functional endoscopic sinus surgery (FESS). STUDY DESIGN: Forty-six patients scheduled for routine endoscopic sinus surgery were recruited into this study. The patients were randomly allocated to have or to not have pharyngeal packing prior to surgery. METHODS: The placement of pharyngeal packs during FESS is controversial...
August 26, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28841124/the-epitrigeminal-approach-to-the-brainstem
#10
Georgios Andrea Zenonos, David Fernandes-Cabral, Maximiliano Nunez, Stefan Lieber, Juan Carlos Fernandez-Miranda, Robert Max Friedlander
OBJECTIVE Surgical approaches to the ventrolateral pons pose a significant challenge. In this report, the authors describe a safe entry zone to the brainstem located just above the trigeminal entry zone which they refer to as the "epitrigeminal entry zone." METHODS The approach is presented in the context of an illustrative case of a cavernous malformation and is compared with the other commonly described approaches to the ventrolateral pons. The anatomical nuances were analyzed in detail with the aid of surgical images and video, anatomical dissections, and high-definition fiber tractography (HDFT)...
August 25, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28836645/photodynamic-inactivation-of-microorganisms-sensitized-by-cationic-bodipy-derivatives-potentiated-by-potassium-iodide
#11
Eugenia Reynoso, Ezequiel D Quiroga, Maximiliano L Agazzi, María B Ballatore, Sonia G Bertolotti, Edgardo N Durantini
The photodynamic inactivation mediated by 1,3,5,7-tetramethyl-8-[4-(N,N,N-trimethylamino)phenyl]-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene 3 and 8-[4-(3-(N,N,N-trimethylamino)propoxy)phenyl]-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene 4 was investigated on Staphylococcus aureus, Escherichia coli and Candida albicans. In vitro experiments indicated that BODIPYs 3 and 4 were rapidly bound to microbial cells at short incubation periods. Also, fluorescence microscopy images showed green emission of BODIPYs bound to microbial cells...
August 24, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28830587/correlation-between-measures-of-perceptual-assessment-of-grb-and-contact-quotient-cq
#12
Rodrigo Maximiliano Jerez
OBJECTIVE: The aim of the present workis to correlate the perceptual parameters grade, roughness and breathiness of the GRB scale with the contact quotient (CQ) obtained by electroglotography. MATERIAL AND METHOD: 70 samples of normal and pathological voices were analyzed by means of auditory-perceptual analysis and electroglotography. The perceptual analysis was carried out by two expert judges depending on the parameters grade, roughness and breathiness. The CQ values were obtained through the VoceVista System Version 3...
August 19, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28814381/impact-of-a-tutored-theoretical-practical-training-to-develop-undergraduate-students-skills-for-the-detection-of-caries-lesions-study-protocol-for-a-multicenter-controlled-randomized-study
#13
Mariana Minatel Braga, Tathiane Larissa Lenzi, Fernanda Rosche Ferreira, Fausto Medeiros Mendes, Daniela Prócida Raggio, José Carlos Imparato, Marcelo Bonecker, Ana Carolina Magalhães, Linda Wang, Daniela Rios, Juliano Pelim Pessan, Cristiane Duque, Maria Augusta Bessa Rebelo, Ary Oliveira Alves Filho, Marina De Deus Moura Lima, Marcoeli Silva Moura, Alessandro Diogo De Carli, Mariane Emi Sanabe, Maximiliano Sergio Cenci, Elenara Ferreira Oliveira, Marcos Britto Correa, Rachel Oliveira Rocha, Julio Eduardo Zenkner, Pedroza Uribe Murisí, Stefania Martignon, Juan Sebastian Lara, Fatima Gabriela Aquino, Alfredo Carrillo, Chun Hung Chu, Chris Deery, David Ricketts, Paulo Melo, José Leopoldo Ferreira Antunes, Kim Rud Ekstrand
BACKGROUND: Tutored laboratorial activities could be a manner of improving the competency development of students. However, its impact over conventional theoretical classes has not yet been tested. Additionally, different university contexts could influence this issue and should be explored. OBJECTIVE: To assess the impact of a tutored theoretical-practical training for teaching undergraduate students to detect caries lesions as compared with theoretical teaching activities...
August 16, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28799821/a-review-of-palliative-and-hospice-care-in-the-context-of-islam-dying-with-faith-and-family
#14
Maximiliano Mendieta, Robert W Buckingham
BACKGROUND: By starting to understand Muslim culture, we can seek common ground with Islamic culture within the American experience and bridge opportunities for better palliative and hospice care here and in Middle Eastern countries. The United States, Canada, and Europe are education hubs for Middle Eastern students, creating an opportunity for the palliative and hospice care philosophy to gain access by proxy to populations of terminally ill patients who can benefit from end-of-life care...
August 11, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28799493/association-between-apo-b-levels-in-mothers-and-in-their-pre-school-age-offspring
#15
Valeria Hirschler, Maximiliano Maximiliano Martin, Karen Oestreicher, Claudia Molinari, Laura Boero, Walter Tetzlaff, Fernando Brites
OBJECTIVE: To determine the association between apo B levels in mothers and their pre-school offspring. METHODS: BMI, lipids, and apo B levels were obtained in mothers and their children in November 2015 in Buenos Aires. RESULTS: Eighty-four children (42M) aged 5.3±1.6 years and their mothers aged 33.8±7.2 years were examined. The prevalence of overweight was 39.2% (33) in mothers and 22.6%(19) in children, and the prevalence of obesity was 38...
August 11, 2017: Cardiovascular & Hematological Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28797690/stem-cells-distribution-cellular-proliferation-and-migration-in-the-adult-austrolebias-charrua-brain
#16
Maximiliano Torres-Pérez, Juan Carlos Rosillo, Ines Berrosteguieta, Silvia Olivera-Bravo, Gabriela Casanova, José Manuel García-Verdugo, Anabel Sonia Fernández
Our previous studies demonstrated that Austrolebias charrua annual fish is an excellent model to study adult brain cell proliferation and neurogenesis due to the presence of active and fast neurogenesis in several regions during its short lifespan. Our main goal was to identify and localize the cells that compose the neurogenic areas throughout the Austrolebias brain. To do this, we used two thymidine halogenated analogs to detect cell proliferation at different survival times: 5-chloro-2́-deoxyuridine (CldU) at 1 day and 5-iodo-2́-deoxyuridine (IdU) at 30 days...
August 7, 2017: Brain Research
https://www.readbyqxmd.com/read/28777026/letter-to-the-editor-rectus-capitis-lateralis-muscle-anatomical-relationships-in-posterior-and-anterior-approaches-to-the-jugular-foramen
#17
Sukhdeep S Jhawar, Maximiliano Nunez, Paolo Pacca, Daniel Seclen Voscoboinik, Huy Q Truong
No abstract text is available yet for this article.
August 4, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28776492/pinaverium-bromide-development-and-validation-of-spectrophotometric-methods-for-assay-and-dissolution-studies
#18
Danielly da Fonte Carvalho Martins, Lorena Coimbra Florindo, Anna Karolina Mouzer da Silva Machado, Vítor Todeschini, Maximiliano da Silva Sangoi
This study presents the development and validation of UV spectrophotometric methods for the determination of pinaverium bromide (PB) in tablet assay and dissolution studies. The methods were satisfactorily validated according to International Conference on Harmonization guidelines. The response was linear (r² > 0.99) in the concentration ranges of 2-14 μg/mL at 213 nm and 10-70 μg/mL at 243 nm. The LOD and LOQ were 0.39 and 1.31 μg/mL, respectively, at 213 nm. For the 243 nm method, the LOD and LOQ were 2...
August 4, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28764029/interaction-of-cinnamic-acid-and-methyl-cinnamate-with-bovine-serum-albumin-a-thermodynamic-approach
#19
Natália Moreira Nunes, Ana Flávia Coelho Pacheco, Álvaro Javier Patiño Agudelo, Luis Henrique Mendes da Silva, Maximiliano Soares Pinto, Maria do Carmo Hespanhol, Ana Clarissa Dos Santos Pires
Cinnamic acid (CA) and methyl cinnamate (MC) have attracted interest of researchers because of their broad therapeutic functions. Here, we investigated the interaction of CA and MC with bovine serum albumin (BSA) at pH 3.5, 5.0, and 7.4 using fluorescence spectroscopy, differential scanning nanocalorimetry, and measurements of interfacial tension, size, and zeta potential. BSA formed a complex with the ligands with stoichiometry of approximately 1.0. At pH 7.4, CA-BSA complex formation was entropically driven...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28759260/nocturnal-oximetry-based-evaluation-of-habitually-snoring-children
#20
Roberto Hornero, Leila Kheirandish-Gozal, Gonzalo C Gutiérrez-Tobal, Mona F Philby, María Luz Alonso-Álvarez, Daniel Álvarez, Ehab A Dayyat, Zhifei Xu, Yu-Shu Huang, Maximiliano Tamae Kakazu, Albert M Li, Annelies Van Eyck, Pablo E Brockmann, Zarmina Ehsan, Narong Simakajornboon, Athanasios G Kaditis, Fernando Vaquerizo-Villar, Andrea Crespo Sedano, Oscar Sans Capdevila, Magnus von Lukowicz, Joaquín Terán-Santos, Félix Del Campo, Christian F Poets, Rosario Ferreira, Katalina Bertran, Yamei Zhang, John Schuen, Stijn Verhulst, David Gozal
BACKGROUND: The vast majority of children around the world undergoing adenotonsillectomy for obstructive sleep apnea-hypopnea syndrome (OSA) are not objectively diagnosed with nocturnal polysomnography (NPSG) due to access availability and cost issues. Automated analysis of nocturnal oximetry (nSpO2), which is readily and globally available, could potentially provide a reliable and convenient diagnostic approach for pediatric OSA. METHODS: De-identified nSpO2 recordings from a total of 4,191 children originating from 13 pediatric sleep laboratories around the world were prospectively evaluated after developing and validating an automated neural network algorithm using an initial set of single-channel nSpO2 recordings from 589 patients referred for suspected OSA...
July 31, 2017: American Journal of Respiratory and Critical Care Medicine
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