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https://www.readbyqxmd.com/read/29342447/design-synthesis-and-anticancer-studies-of-novel-aminobenzazolyl-pyrimidines-as-tyrosine-kinase-inhibitors
#1
Rupesh Chikhale, Sonali Thorat, Rajan Kumar Choudhary, Nikhil Gadewal, Pramod Khedekar
Abnormal signalling from the Protein tyrosine kinases (PTKs) like receptor tyrosine kinases and intracellular tyrosine kinases can lead to diseases such as cancer especially non-small cell lung cancer, chronic myeloid leukaemia and gastrointestinal stromal tumours. Various Protein tyrosine kinase inhibitors are available but face poor bioavailability, severe toxicities and recent cases of drug-resistant cancers prompts for development of better drug molecules. In this study we report the design and development of a novel Protein Tyrosine Kinase (PTK) inhibitor on the basis of pharmacophore modelling...
January 4, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29342445/case-report-of-an-uncommon-case-of-drain-site-hernia-after-colorectal-surgery
#2
M Manigrasso, P Anoldo, F Milone, G D De Palma, M Milone
BACKGROUND: trocar site herniation is a rare but potentially serious complication of laparoscopic surgery. Data about drain site hernia after laparoscopic surgery is scarce and anecdotal. CASE PRESENTATION: we report an uncommon case of drain site hernia in a man undergone laparoscopic left colectomy for a colonic adenocarcinoma who developed small bowel herniation in a 10 mm port site, in which a 24 FR drain was inserted leaving a real free space of 2 mm. DISCUSSION: laparoscopic approach has gained widespread acceptance in each surgical fields because of the perceived better postoperative outcomes in terms of less pain, faster recovery, and lower risk of incisional hernia...
January 9, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29342438/vitreoretinal-complications-and-outcomes-in-92-eyes-undergoing-surgery-for-modified-osteo-odonto-keratoprosthesis-a-10-year-review
#3
Pukhraj Rishi, Ekta Rishi, Vishvesh Agarwal, Sridevi Nair, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal
PURPOSE: To analyze vitreoretinal (VR) complications and treatment outcomes in eyes undergoing modified osteo-odonto-keratoprosthesis (OOKP) surgery. DESIGN: Retrospective case series. PARTICIPANTS: All patients who underwent modified OOKP (mOOKP) surgery at a tertiary eye-care center from March 2003 to February 2013 were included. METHODS: Medical records were reviewed for relevant medical history, best-corrected visual acuity (BCVA), slit-lamp examination, ultrasound scan, oral examination findings, and VR complications...
January 13, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29342432/pharmacists-scope-of-practice-in-travel-health-a-review-of-state-laws-and-regulations
#4
Keri Hurley-Kim, Rebecca Snead, Karl M Hess
OBJECTIVES: The primary objective of this study was to assess pharmacists' authority to provide travel health services in each state and Washington, DC. Secondary objectives were to determine the need for collaborative practice agreements (CPAs), protocols, or prescriptions for this type of pharmacy practice and to identify jurisdictions where pharmacists are able to practice as travel health providers independent of CPAs or individual physician protocols. METHODS: An online survey was developed to assess pharmacists' authority to administer travel immunizations, furnish travel-related medications, and order travel-related laboratory tests...
January 13, 2018: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29342427/reconstructive-aortic-valve-surgery-in-the-elderly-techniques-and-outcomes
#5
Paul P Urbanski, Atanas Jankulovski, Kiril Doldurov, Xiaochun Zhan, Ayman Sodah, Michael Zacher, Anno Diegeler
OBJECTIVES: The aim of the study was to evaluate operative techniques and long-term results after aortic valve or root repair in patients aged 75 years or more. METHODS: Between November 2002 and January 2016, a total of 815 patients underwent aortic valve or root repair. Among them were 100 patients aged 75 years or more (mean, 78 ± 3; range, 75-88 years), including 17 patients operated on an emergency basis because of acute aortic dissection. None/trivial, mild, moderate, and severe insufficiency grades were presented in 9, 23, 27, and 41 patients, respectively...
December 19, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29342409/development-and-characterization-of-an-allergoid-of-cat-dander-for-immunotherapy
#6
J P Sola, Y Pedreño, A Cerezo, M Peñalver-Mellado
BACKGROUND: Allergy to cats is a frequent cause of sensitization to indoor allergens and currently there are few alternatives to specific immunotherapy with cat native extracts. The objective is to develop and characterize a new allergoid to increase the tools available for use in clinical practice. METHODS: The allergoid cat dander extract (ACD) was developed from a native cat dander extract (NCD) by modification with glutaraldehyde, and the optimal process control was determined by SDS-PAGE, DOT BLOT and determination of free amine groups...
January 13, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29342398/adaptive-structure-concept-factorization-for-multiview-clustering
#7
Kun Zhan, Jinhui Shi, Jing Wang, Haibo Wang, Yuange Xie
Most existing multiview clustering methods require that graph matrices in different views are computed beforehand and that each graph is obtained independently. However, this requirement ignores the correlation between multiple views. In this letter, we tackle the problem of multiview clustering by jointly optimizing the graph matrix to make full use of the data correlation between views. With the interview correlation, a concept factorization-based multiview clustering method is developed for data integration, and the adaptive method correlates the affinity weights of all views...
January 17, 2018: Neural Computation
https://www.readbyqxmd.com/read/29342371/global-regional-and-country-level-economic-impacts-of-dental-diseases-in-2015
#8
A J Righolt, M Jevdjevic, W Marcenes, S Listl
Up-to-date information about the economic impact of dental diseases is essential for health care decision makers when seeking to make rational use of available resources. The purpose of this study was to provide up-to-date estimates for dental expenditures (direct costs) and productivity losses (indirect costs) due to dental diseases on the global, regional, and country level. Direct costs of dental diseases were estimated using a previously established systematic approach; indirect costs were estimated using an approach developed by the World Health Organization Commission on Macroeconomics and Health and factoring in 2015 values for gross domestic product and disability-adjusted life years from the Global Burden of Disease Study...
January 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29342370/fgf8-signaling-alters-the-osteogenic-cell-fate-in-the-hard-palate
#9
J Xu, Z Huang, W Wang, X Tan, H Li, Y Zhang, W Tian, T Hu, Y P Chen
Fibroblast growth factor (FGF) signaling has been implicated in the regulation of osteogenesis in both intramembranous and endochondral ossifications. In the developing palate, the anterior bony palate forms by direct differentiation of cranial neural crest (CNC)-derived mesenchymal cells, but the signals that regulate the osteogenic cell fate in the developing palate remain unclear. In the present study, we investigated the potential role of FGF signaling in osteogenic fate determination of the palatal mesenchymal cells...
January 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29342367/cystic-fibrosis-pulmonary-guidelines-use-of-cftr-modulator-therapy-in-patients-with-cystic-fibrosis
#10
Clement L Ren, Rebecca L Morgan, Christopher Oermann, Helaine E Resnick, Cynthia Brady, Annette Campbell, Richard DeNagel, Margaret Guill, Jeffrey Hoag, Andrew Lipton, Thomas Newton, Stacy Peters, Donna Beth Willey-Courand, Edward T Naureckas
BACKGROUND: CFTR modulators are a new class of medications that target the underlying defect in in cystic fibrosis (CF). Ivacaftor (IVA) and IVA combined with lumacaftor (IVA/LUM) have been approved by the FDA for use in CF patients. However, the FDA label for these medications encompasses patient groups that were not studied as part of the drug approval process. CF clinicians, patients, and their families have recognized a need for recommendations to guide the use of these medications...
January 17, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29342366/evaluation-of-the-get-active-questionnaire-in-community-dwelling-older-adults
#11
Andrea F M Petrella, Dawn P Gill, Robert J Petrella
BACKGROUND: Physical activity screening prior to starting a physical activity program is important to identify if there are any underlying health conditions. However, many older adults do not complete such assessments prior to beginning their physical activity program. This project compared the Canadian Society for Exercise Physiology's newly developed Get Active Questionnaire (GAQ) to a standardized exercise stress test in terms of screening out versus screening in false positive GAQ tests...
January 17, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29342362/stereospecific-syntheses-of-enaminonitriles-and-%C3%AE-enaminoesters-via-domino-ring-opening-cyclization-droc-of-activated-cyclopropanes-with-pronucleophilic-malononitriles
#12
Amrita Saha, Aditya Bhattacharyya, Ranadeep Talukdar, Manas K Ghorai
Two novel synthetic protocols for the syntheses of highly functionalized five-membered carbocyclic enaminonitriles and β-enaminoesters have been developed via domino ring-opening cyclization (DROC) and DROC/decarboxylative tautomerization of activated cyclopropanes with malononitrile pronucleophiles, respectively. Both of the efficient strategies (yield up to 93%) have been generalized with various donor-acceptor and acceptor cyclopropanes as well as with malononitrile derivatives. The stereospecific variants of the two SN2-type DROC strategies have also been developed by employing enantiopure donor-acceptor (DA) cyclopropanes to synthesize the corresponding nonracemic products with excellent stereoselectivities (dr up to >99:1, ee up to >99%)...
January 17, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29342359/semiconducting-photothermal-nanoagonist-for-remote-controlled-specific-cancer-therapy
#13
Xu Zhen, Chen Xie, Yuyan Jiang, Xiangzhao Ai, Bengang Xing, Kanyi Pu
Nanomedicines have shown success in cancer therapy, but the pharmacological actions of most nanomedicine are often nonspecific to cancer cells because of utilization of the therapeutic agents that induce cell apoptosis from inner organelles. We herein report the development of semiconducting photothermal nanoagonists that can remotely and specifically initiate the apoptosis of cancer cells from cell membrane. The organic nanoagonists comprise semiconducting polymer nanoparticles (SPNs) and capsaicin (Cap) as the photothermally-responsive nanocarrier and the agonist for activation of transient receptor potential cation channel subfamily V member 1 (TRPV1), respectively...
January 17, 2018: Nano Letters
https://www.readbyqxmd.com/read/29342357/diffusion-controlled-epitaxy-of-large-area-coalesced-wse2-monolayers-on-sapphire
#14
Xiaotian Zhang, Tanushree H Choudhury, Mikhail Chubarov, Yu Xiang, Bhakti Jariwala, Fu Zhang, Nasim Alem, Gwo-Ching Wang, Joshua A Robinson, Joan M Redwing
A multi-step diffusion-mediated process was developed to control the nucleation density, size and lateral growth rate of WSe2 domains on c-plane sapphire for the epitaxial growth of large area monolayer films by gas source chemical vapor deposition (CVD). The process consists of an initial nucleation step followed by an annealing period in H2Se to promote surface diffusion of tungsten-containing species to form oriented WSe2 islands with uniform size and controlled density. The growth conditions were then adjusted to suppress further nucleation and laterally grow the WSe2 islands to form a fully coalesced monolayer film in less than one hour...
January 17, 2018: Nano Letters
https://www.readbyqxmd.com/read/29342329/when-the-gold-standard-is-not-always-golden-the-value-of-invasive-hemodynamic-assessment-to-overcome-the-pitfalls-of-echocardiography-in-challenging-cases-of-mitral-stenosis
#15
Yenal Harper, Salem A Salem, Shadwan Alsafwah, Santhosh Koshy, Nadish Garg
Mitral stenosis is a uncommon valvular lesion in the developed countries. Noninvasive evaluation is the first-line modality for assessment of mitral stenosis, however the noninvasive methods may have limitations in certain cases. Invasive hemodynamics can be used as adjunct tool for assessment of mitral stenosis in such difficult cases. Mitral valve using three-dimensional planimetry is a promising technique for assessment of mitral stenosis.
January 2018: Echocardiography
https://www.readbyqxmd.com/read/29342317/osteoblast-like-mc3t3-e1-cells-prefer-glycolysis-for-atp-production-but-adipocyte-like-3t3-l1-cells-prefer-oxidative-phosphorylation
#16
Anyonya R Guntur, Akos A Gerencser, Phuong T Le, Victoria E DeMambro, Sheila A Bornstein, Shona A Mookerjee, David E Maridas, David E Clemmons, Martin D Brand, Clifford J Rosen
Mesenchymal stromal cells (MSCs) are early progenitors that can differentiate into osteoblasts, chondrocytes and adipocytes. We hypothesized that osteoblasts and adipocytes utilize distinct bioenergetic pathways during MSC differentiation. To test this hypothesis, we compared the bioenergetic profiles of pre-osteoblast MC3T3-E1 cells and calvarial osteoblasts with pre-adipocyte 3T3L1 cells, before and after differentiation. Differentiated MC3T3-E1 osteoblasts met ATP demand mainly by glycolysis with minimal reserve glycolytic capacity, whereas non-differentiated cells generated ATP through oxidative phosphorylation...
January 17, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29342313/collagen-xii-myopathy-with-rectus-femoris-atrophy-and-collagen-xii-retention-in-fibroblasts
#17
Nanna Witting, Thomas Krag, Ulla Werlauff, Morten Duno, Sofie Thuroe Oestergaard, Julia Rebecka Dahlqvist, John Vissing
INTRODUCTION: Mutation in the collagen XII gene (COL12A1) was recently reported to induce Bethlem myopathy. We describe a family affected by collagen XII-related myopathy in 3 generations. METHODS: Systematic interview, clinical examination, skin biopsies and MRI muscle. RESULTS: The phenotype was characterized by neonatal hypotonia, contractures and delayed motor development followed by resolution of contractures and a motor performance limited by reduced endurance...
January 17, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29342312/maladaptive-repetitive-thought-as-a-transdiagnostic-phenomenon-and-treatment-target-an-integrative-review
#18
REVIEW
Deanna M Kaplan, Roman Palitsky, Angela L Carey, Tracy E Crane, Cody M Havens, Michael R Medrano, Samantha J Reznik, David A Sbarra, Mary-Frances O'Connor
OBJECTIVE: Maladaptive repetitive thought (RT), the frequent and repetitive revisiting of thoughts or internal experiences, is associated with a range of psychopathological processes and disorders. We present a synthesis of prior research on maladaptive RT and develop a framework for elucidating and distinguishing between five forms of maladaptive RT. METHOD: In addition to the previously studied maladaptive RT (worry, rumination, and obsession), this framework is used to identify two additional forms of maladaptive RT (yearning and interoceptive RT)...
January 17, 2018: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/29342309/prognostic-power-of-a-tumor-differentiation-gene-signature-for-bladder-urothelial-carcinomas
#19
Qianxing Mo, Fotis Nikolos, Fengju Chen, Zoe Tramel, Yu-Cheng Lee, Kazukuni Hayashi, Jing Xiao, Jianjun Shen, Keith Syson Chan
Background: Muscle-invasive bladder cancers (MIBCs) cause approximately 150 000 deaths per year worldwide. Survival for MIBC patients is heterogeneous, with no clinically validated molecular markers that predict clinical outcome. Non-MIBCs (NMIBCs) generally have favorable outcome; however, a portion progress to MIBC. Hence, development of a prognostic tool that can guide decision-making is crucial for improving clinical management of bladder urothelial carcinomas. Methods: Tumor grade is defined by pathologic evaluation of tumor cell differentiation, and it often associates with clinical outcome...
January 12, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29342307/using-phylogenomic-data-to-explore-the-effects-of-relaxed-clocks-and-calibration-strategies-on-divergence-time-estimation-primates-as-a-test-case
#20
Mario Dos Reis, Gregg F Gunnell, José Barba-Montoya, Alex Wilkins, Ziheng Yang, Anne D Yoder
Primates have long been a test case for the development of phylogenetic methods for divergence time estimation. Despite a large number of studies, however, the timing of origination of crown Primates relative to the K-Pg boundary and the timing of diversification of the main crown groups remain controversial. Here we analysed a dataset of 372 taxa (367 Primates and 5 outgroups, 3.4 million aligned base pairs) that includes nine primate genomes. We systematically explore the effect of different interpretations of fossil calibrations and molecular clock models on primate divergence time estimates...
January 12, 2018: Systematic Biology
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