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https://www.readbyqxmd.com/read/28351117/clinical-characteristics-of-patients-with-untreated-achalasia
#1
Han Ho Jeon, Jie-Hyun Kim, Young Hoon Youn, Hyojin Park, Jeffrey L Conklin
Background/Aims: Patients with untreated achalasia frequently complain of heartburn and regurgitation. The diagnosis of achalasia might be delayed because these symptoms are misinterpreted as gastroesophageal reflux. We aim to evaluate the clinical presentation, radiologic, and manometric findings in patient untreated achalasia. Methods: The records of patients diagnosed with primary achalasia between July 2004 and January 2012 at Gangnam Severance Hospital, Seoul, Korea were evaluated...
March 28, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28346442/identification-of-12-new-susceptibility-loci-for-different-histotypes-of-epithelial-ovarian-cancer
#2
Catherine M Phelan, Karoline B Kuchenbaecker, Jonathan P Tyrer, Siddhartha P Kar, Kate Lawrenson, Stacey J Winham, Joe Dennis, Ailith Pirie, Marjorie J Riggan, Ganna Chornokur, Madalene A Earp, Paulo C Lyra, Janet M Lee, Simon Coetzee, Jonathan Beesley, Lesley McGuffog, Penny Soucy, Ed Dicks, Andrew Lee, Daniel Barrowdale, Julie Lecarpentier, Goska Leslie, Cora M Aalfs, Katja K H Aben, Marcia Adams, Julian Adlard, Irene L Andrulis, Hoda Anton-Culver, Natalia Antonenkova, Gerasimos Aravantinos, Norbert Arnold, Banu K Arun, Brita Arver, Jacopo Azzollini, Judith Balmaña, Susana N Banerjee, Laure Barjhoux, Rosa B Barkardottir, Yukie Bean, Matthias W Beckmann, Alicia Beeghly-Fadiel, Javier Benitez, Marina Bermisheva, Marcus Q Bernardini, Michael J Birrer, Line Bjorge, Amanda Black, Kenneth Blankstein, Marinus J Blok, Clara Bodelon, Natalia Bogdanova, Anders Bojesen, Bernardo Bonanni, Åke Borg, Angela R Bradbury, James D Brenton, Carole Brewer, Louise Brinton, Per Broberg, Angela Brooks-Wilson, Fiona Bruinsma, Joan Brunet, Bruno Buecher, Ralf Butzow, Saundra S Buys, Trinidad Caldes, Maria A Caligo, Ian Campbell, Rikki Cannioto, Michael E Carney, Terence Cescon, Salina B Chan, Jenny Chang-Claude, Stephen Chanock, Xiao Qing Chen, Yoke-Eng Chiew, Jocelyne Chiquette, Wendy K Chung, Kathleen B M Claes, Thomas Conner, Linda S Cook, Jackie Cook, Daniel W Cramer, Julie M Cunningham, Aimee A D'Aloisio, Mary B Daly, Francesca Damiola, Sakaeva Dina Damirovna, Agnieszka Dansonka-Mieszkowska, Fanny Dao, Rosemarie Davidson, Anna DeFazio, Capucine Delnatte, Kimberly F Doheny, Orland Diez, Yuan Chun Ding, Jennifer Anne Doherty, Susan M Domchek, Cecilia M Dorfling, Thilo Dörk, Laure Dossus, Mercedes Duran, Matthias Dürst, Bernd Dworniczak, Diana Eccles, Todd Edwards, Ros Eeles, Ursula Eilber, Bent Ejlertsen, Arif B Ekici, Steve Ellis, Mingajeva Elvira, Kevin H Eng, Christoph Engel, D Gareth Evans, Peter A Fasching, Sarah Ferguson, Sandra Fert Ferrer, James M Flanagan, Zachary C Fogarty, Renée T Fortner, Florentia Fostira, William D Foulkes, George Fountzilas, Brooke L Fridley, Tara M Friebel, Eitan Friedman, Debra Frost, Patricia A Ganz, Judy Garber, María J García, Vanesa Garcia-Barberan, Andrea Gehrig, Aleksandra Gentry-Maharaj, Anne-Marie Gerdes, Graham G Giles, Rosalind Glasspool, Gord Glendon, Andrew K Godwin, David E Goldgar, Teodora Goranova, Martin Gore, Mark H Greene, Jacek Gronwald, Stephen Gruber, Eric Hahnen, Christopher A Haiman, Niclas Håkansson, Ute Hamann, Thomas V O Hansen, Patricia A Harrington, Holly R Harris, Jan Hauke, Alexander Hein, Alex Henderson, Michelle A T Hildebrandt, Peter Hillemanns, Shirley Hodgson, Claus K Høgdall, Estrid Høgdall, Frans B L Hogervorst, Helene Holland, Maartje J Hooning, Karen Hosking, Ruea-Yea Huang, Peter J Hulick, Jillian Hung, David J Hunter, David G Huntsman, Tomasz Huzarski, Evgeny N Imyanitov, Claudine Isaacs, Edwin S Iversen, Louise Izatt, Angel Izquierdo, Anna Jakubowska, Paul James, Ramunas Janavicius, Mats Jernetz, Allan Jensen, Uffe Birk Jensen, Esther M John, Sharon Johnatty, Michael E Jones, Päivi Kannisto, Beth Y Karlan, Anthony Karnezis, Karin Kast, Catherine J Kennedy, Elza Khusnutdinova, Lambertus A Kiemeney, Johanna I Kiiski, Sung-Won Kim, Susanne K Kjaer, Martin Köbel, Reidun K Kopperud, Torben A Kruse, Jolanta Kupryjanczyk, Ava Kwong, Yael Laitman, Diether Lambrechts, Nerea Larrañaga, Melissa C Larson, Conxi Lazaro, Nhu D Le, Loic Le Marchand, Jong Won Lee, Shashikant B Lele, Arto Leminen, Dominique Leroux, Jenny Lester, Fabienne Lesueur, Douglas A Levine, Dong Liang, Clemens Liebrich, Jenna Lilyquist, Loren Lipworth, Jolanta Lissowska, Karen H Lu, Jan Lubinński, Craig Luccarini, Lene Lundvall, Phuong L Mai, Gustavo Mendoza-Fandiño, Siranoush Manoukian, Leon F A G Massuger, Taymaa May, Sylvie Mazoyer, Jessica N McAlpine, Valerie McGuire, John R McLaughlin, Iain McNeish, Hanne Meijers-Heijboer, Alfons Meindl, Usha Menon, Arjen R Mensenkamp, Melissa A Merritt, Roger L Milne, Gillian Mitchell, Francesmary Modugno, Joanna Moes-Sosnowska, Melissa Moffitt, Marco Montagna, Kirsten B Moysich, Anna Marie Mulligan, Jacob Musinsky, Katherine L Nathanson, Lotte Nedergaard, Roberta B Ness, Susan L Neuhausen, Heli Nevanlinna, Dieter Niederacher, Robert L Nussbaum, Kunle Odunsi, Edith Olah, Olufunmilayo I Olopade, Håkan Olsson, Curtis Olswold, David M O'Malley, Kai-Ren Ong, N Charlotte Onland-Moret, Nicholas Orr, Sandra Orsulic, Ana Osorio, Domenico Palli, Laura Papi, Tjoung-Won Park-Simon, James Paul, Celeste L Pearce, Inge Søkilde Pedersen, Petra H M Peeters, Bernard Peissel, Ana Peixoto, Tanja Pejovic, Liisa M Pelttari, Jennifer B Permuth, Paolo Peterlongo, Lidia Pezzani, Georg Pfeiler, Kelly-Anne Phillips, Marion Piedmonte, Malcolm C Pike, Anna M Piskorz, Samantha R Poblete, Timea Pocza, Elizabeth M Poole, Bruce Poppe, Mary E Porteous, Fabienne Prieur, Darya Prokofyeva, Elizabeth Pugh, Miquel Angel Pujana, Pascal Pujol, Paolo Radice, Johanna Rantala, Christine Rappaport-Fuerhauser, Gad Rennert, Kerstin Rhiem, Patricia Rice, Andrea Richardson, Mark Robson, Gustavo C Rodriguez, Cristina Rodríguez-Antona, Jane Romm, Matti A Rookus, Mary Anne Rossing, Joseph H Rothstein, Anja Rudolph, Ingo B Runnebaum, Helga B Salvesen, Dale P Sandler, Minouk J Schoemaker, Leigha Senter, V Wendy Setiawan, Gianluca Severi, Priyanka Sharma, Tameka Shelford, Nadeem Siddiqui, Lucy E Side, Weiva Sieh, Christian F Singer, Hagay Sobol, Honglin Song, Melissa C Southey, Amanda B Spurdle, Zsofia Stadler, Doris Steinemann, Dominique Stoppa-Lyonnet, Lara E Sucheston-Campbell, Grzegorz Sukiennicki, Rebecca Sutphen, Christian Sutter, Anthony J Swerdlow, Csilla I Szabo, Lukasz Szafron, Yen Y Tan, Jack A Taylor, Muy-Kheng Tea, Manuel R Teixeira, Soo-Hwang Teo, Kathryn L Terry, Pamela J Thompson, Liv Cecilie Vestrheim Thomsen, Darcy L Thull, Laima Tihomirova, Anna V Tinker, Marc Tischkowitz, Silvia Tognazzo, Amanda Ewart Toland, Alicia Tone, Britton Trabert, Ruth C Travis, Antonia Trichopoulou, Nadine Tung, Shelley S Tworoger, Anne M van Altena, David Van Den Berg, Annemarie H van der Hout, Rob B van der Luijt, Mattias Van Heetvelde, Els Van Nieuwenhuysen, Elizabeth J van Rensburg, Adriaan Vanderstichele, Raymonda Varon-Mateeva, Ana Vega, Digna Velez Edwards, Ignace Vergote, Robert A Vierkant, Joseph Vijai, Athanassios Vratimos, Lisa Walker, Christine Walsh, Dorothea Wand, Shan Wang-Gohrke, Barbara Wappenschmidt, Penelope M Webb, Clarice R Weinberg, Jeffrey N Weitzel, Nicolas Wentzensen, Alice S Whittemore, Juul T Wijnen, Lynne R Wilkens, Alicja Wolk, Michelle Woo, Xifeng Wu, Anna H Wu, Hannah Yang, Drakoulis Yannoukakos, Argyrios Ziogas, Kristin K Zorn, Steven A Narod, Douglas F Easton, Christopher I Amos, Joellen M Schildkraut, Susan J Ramus, Laura Ottini, Marc T Goodman, Sue K Park, Linda E Kelemen, Harvey A Risch, Mads Thomassen, Kenneth Offit, Jacques Simard, Rita Katharina Schmutzler, Dennis Hazelett, Alvaro N Monteiro, Fergus J Couch, Andrew Berchuck, Georgia Chenevix-Trench, Ellen L Goode, Thomas A Sellers, Simon A Gayther, Antonis C Antoniou, Paul D P Pharoah
To identify common alleles associated with different histotypes of epithelial ovarian cancer (EOC), we pooled data from multiple genome-wide genotyping projects totaling 25,509 EOC cases and 40,941 controls. We identified nine new susceptibility loci for different EOC histotypes: six for serous EOC histotypes (3q28, 4q32.3, 8q21.11, 10q24.33, 18q11.2 and 22q12.1), two for mucinous EOC (3q22.3 and 9q31.1) and one for endometrioid EOC (5q12.3). We then performed meta-analysis on the results for high-grade serous ovarian cancer with the results from analysis of 31,448 BRCA1 and BRCA2 mutation carriers, including 3,887 mutation carriers with EOC...
March 27, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28344002/establishment-of-a-human-blood-brain-barrier-co-culture-model-mimicking-the-neurovascular-unit-using-induced-pluri-and-multipotent-stem-cells
#3
Antje Appelt-Menzel, Alevtina Cubukova, Katharina Günther, Frank Edenhofer, Jörg Piontek, Gerd Krause, Tanja Stüber, Heike Walles, Winfried Neuhaus, Marco Metzger
In vitro models of the human blood-brain barrier (BBB) are highly desirable for drug development. This study aims to analyze a set of ten different BBB culture models based on primary cells, human induced pluripotent stem cells (hiPSCs), and multipotent fetal neural stem cells (fNSCs). We systematically investigated the impact of astrocytes, pericytes, and NSCs on hiPSC-derived BBB endothelial cell function and gene expression. The quadruple culture models, based on these four cell types, achieved BBB characteristics including transendothelial electrical resistance (TEER) up to 2,500 Ω cm(2) and distinct upregulation of typical BBB genes...
March 22, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28343226/the-effect-of-ineffective-esophageal-motility-on-gastroesophageal-reflux-disease
#4
Shingo Kasamatsu, Tomoaki Matsumura, Yuki Ohta, Shinsaku Hamanaka, Hideaki Ishigami, Takashi Taida, Kenichiro Okimoto, Keiko Saito, Daisuke Maruoka, Tomoo Nakagawa, Tatsuro Katsuno, Mai Fujie, Atsuko Kikuchi, Makoto Arai
BACKGROUND/AIMS: Ineffective esophageal motility (IEM) is the most common gastrointestinal motility disorder. Studies have reported that IEM is related to gastroesophageal reflux disease (GERD). However, the relationship between IEM and GERD remains uncertain. This study aims to clarify this relationship retrospectively. METHODS: We analyzed 195 subjects who underwent high-resolution manometry between January 2011 and September 2016. Of these subjects, 72 had normal esophageal motility (NEM) and 26 had IEM...
March 25, 2017: Digestion
https://www.readbyqxmd.com/read/28341748/drug-induced-liver-injury-recent-advances-in-diagnosis-and-risk-assessment
#5
REVIEW
Gerd A Kullak-Ublick, Raul J Andrade, Michael Merz, Peter End, Andreas Benesic, Alexander L Gerbes, Guruprasad P Aithal
Idiosyncratic drug-induced liver injury (IDILI) is a rare but potentially severe adverse drug reaction that should be considered in patients who develop laboratory criteria for liver injury secondary to the administration of a potentially hepatotoxic drug. Although currently used liver parameters are sensitive in detecting DILI, they are neither specific nor able to predict the patient's subsequent clinical course. Genetic risk assessment is useful mainly due to its high negative predictive value, with several human leucocyte antigen alleles being associated with DILI...
March 23, 2017: Gut
https://www.readbyqxmd.com/read/28341457/thyroid-hormone-transport-across-l-type-amino-acid-transporters-what-can-molecular-modelling-tell-us
#6
Gerd Krause, Katrin Manuela Hinz
Thyroid hormones (THs) and their derivatives require transmembrane transporters (TTs) to mediate their translocation across the cell membrane. Among these TTs, the L-type amino acid transporters (LAT) not only transport amino acids (AAs) but also certain THs and their derivatives. This review summarizes available knowledge concerning structure function patterns of the TH transport by LAT1 and LAT2. For example, LAT2 imports 3,3'-T2 and T3, but not rT3 and T4. In contrast to amino acids, THs are not at all exported by LAT2...
March 21, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28340234/detection-of-severe-digital-vasculopathy-in-systemic-sclerosis-by-colour-doppler-sonography-is-associated-with-digital-ulcers
#7
Susanne Lüders, Stefanie Friedrich, Sarah Ohrndorf, Anne-Marie Glimm, Gerd-Rüdiger Burmester, Gabriela Riemekasten, Marina Backhaus
Objective.: Colour Doppler ultrasonography (CDUS) is very important in general vascular diagnostic procedures. Its role in determining the extent of vasculopathy in Systemic Sclerosis (SSc) needs further investigation. The aim of this study was to compare the presence of altered arteries with nailfold capillaroscopy and clinical signs of ischaemia, that is, digital ulcers or pitting scars (DU/PS). A feasible CDUS protocol is provided. Methods.: Two thousand five hundred and twenty-eight arteries of the fingers, palms and wrists from 79 SSc patients (32 arteries per patient) were examined using CDUS...
March 17, 2017: Rheumatology
https://www.readbyqxmd.com/read/28340182/novel-targets-and-future-strategies-for-acute-cardioprotection-position-paper-of-the-european-society-of-cardiology-working-group-on-cellular-biology-of-the-heart
#8
Derek J Hausenloy, David Garcia-Dorado, Hans Erik Bøtker, Sean M Davidson, James Downey, Felix B Engel, Robert Jennings, Sandrine Lecour, Jonathan Leor, Rosalinda Madonna, Michel Ovize, Cinzia Perrino, Fabrice Prunier, Rainer Schulz, Joost P G Sluijter, Linda W Van Laake, Jakob Vinten-Johansen, Derek M Yellon, Kirsti Ytrehus, Gerd Heusch, Péter Ferdinandy
Ischaemic heart disease and the heart failure that often results, remain the leading causes of death and disability in Europe and worldwide. As such, in order to prevent heart failure and improve clinical outcomes in patients presenting with an acute ST-segment elevation myocardial infarction and patients undergoing coronary artery bypass graft surgery, novel therapies are required to protect the heart against the detrimental effects of acute ischaemia/reperfusion injury. During the last three decades, a wide variety of ischaemic conditioning strategies and pharmacological treatments have been tested in the clinic - however, their translation from experimental to clinical studies for improving patient outcomes has been both challenging and disappointing...
March 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28337865/helicobacter-pylori-and-barrett%C3%A2-s-esophagus-a-protective-factor-or-a-real-cause
#9
G Tomasello, F Giordano, M Mazzola, R Jurjus, A Jurjus, P Damiani, S Nobile, F Carini, A Leone
Notwithstanding the definite aetiopathogenetic path of certain diseases, the relationship between Helicobacter pylori (H. pylori) and Barrett’s esophagus (BE), a condition that increases the risk for dysplasia and consequently adenocarcinoma of the distal esophagus and esophagogastric junction, remains uncertain. This paper reviews the current scientific literature with emphasis on the protective correlation between H. pylori infection and BE and demonstrates that a causal relationship has not been disproved with certainty...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337838/the-selective-metabotropic-glutamate-receptor-5-antagonist-mavoglurant-afq056-reduces-the-incidence-of-reflux-episodes-in-dogs-and-patients-with-moderate-to-severe-gastroesophageal-reflux-disease
#10
M-L Rouzade-Dominguez, N Pezous, O J David, R Tutuian, S Bruley des Varannes, J Tack, P Malfertheiner, H-D Allescher, M Ufer, A Rühl
BACKGROUND: Transient lower esophageal sphincter relaxations (TLESRs) induced by gastric distension are modulated by the metabotropic glutamate receptor 5 (mGluR5) that influences the vagal reflex loop. We therefore aimed to examine the effects of the selective mGluR5 antagonist mavoglurant (AFQ056) on the number of TLESRs in dogs and reflux episodes in patients with gastroesophageal reflux disease (GERD). METHODS: In a dog model, the number of meal-induced TLESRs was determined after intravenous (0...
March 23, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28337135/deficits-in-letter-speech-sound-associations-but-intact-visual-conflict-processing-in-dyslexia-results-from-a-novel-erp-paradigm
#11
Sarolta Bakos, Karin Landerl, Jürgen Bartling, Gerd Schulte-Körne, Kristina Moll
The reading and spelling deficits characteristic of developmental dyslexia (dyslexia) have been related to problems in phonological processing and in learning associations between letters and speech-sounds. Even when children with dyslexia have learned the letters and their corresponding speech sounds, letter-speech sound associations might still be less automatized compared to children with age-adequate literacy skills. In order to examine automaticity in letter-speech sound associations and to overcome some of the disadvantages associated with the frequently used visual-auditory oddball paradigm, we developed a novel electrophysiological letter-speech sound interference paradigm...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28336550/the-effect-of-intravenous-corticotropin-releasing-hormone-administration-on-esophageal-sensitivity-and-motility-in-health
#12
Charlotte Broers, Chloé Melchior, Lukas Van Oudenhove, Tim Vanuytsel, Brecht Van Houtte, Charlotte Scheerens, Nathalie Rommel, Jan F Tack, Ans Pauwels
BACKGROUND: Esophageal hypersensitivity is important in gastro-esophageal reflux disease (GERD) patients refractory to acid-suppressive therapy. Stress affects visceral sensitivity and exacerbates heartburn in GERD. Peripheral CRH is a key mediator of the gut stress response. We hypothesize that CRH increases esophageal sensitivity and alters esophageal motility in health. METHODS: Esophageal sensitivity to thermal, mechanical, electrical and chemical stimuli was assessed in 14 healthy subjects after placebo or CRH (100μg IV)...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28336546/barrett-s-metaplasia-develops-from-cellular-reprograming-of-esophageal-squamous-epithelium-due-to-gastroesophageal-reflux
#13
Carlos D Minacapelli, Manisha Bajpai, Xin Geng, Christina L Cheng, Abhishek A Chouthai, Rhonda F Souza, Stuart Jon Spechler, Kiron M Das
OBJECTIVE: Gastroesophageal reflux disease (GERD) clinically predisposes to columnar Barrett's metaplasia (BM) in the distal esophagus. We demonstrate evidence supporting cellular origin of BM from reprograming or trans-commitment of resident normal esophageal squamous (NES) epithelial cells in response to acid and bile exposure using an in vitro cell culture model. DESIGN: The hTERT-immortalized NES cell line, NES-B10T, was exposed 5 min/day to Acid and Bile (A+B) mixture for 30 weeks...
March 23, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28336088/trends-in-adhd-medication-use-in-children-and-adolescents-in-five-western-countries-2005-2012
#14
Christian J Bachmann, Linda P Wijlaars, Luuk J Kalverdijk, Mehmet Burcu, Gerd Glaeske, Catharina C M Schuiling-Veninga, Falk Hoffmann, Lise Aagaard, Julie M Zito
Over the last two decades, the use of ADHD medication in US youth has markedly increased. However, less is known about ADHD medication use among European children and adolescents. A repeated cross-sectional design was applied to national or regional data extracts from Denmark, Germany, the Netherlands, the United Kingdom (UK) and the United States (US) for calendar years 2005/2006-2012. The prevalence of ADHD medication use was assessed, stratified by age and sex. Furthermore, the most commonly prescribed ADHD medications were assessed...
March 20, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28334932/ribosome-dependent-vibrio-cholerae-mrnase-higb2-is-regulated-by-a-%C3%AE-strand-sliding-mechanism
#15
San Hadži, Abel Garcia-Pino, Sarah Haesaerts, Dukas Jurenas, Kenn Gerdes, Jurij Lah, Remy Loris
Toxin-antitoxin (TA) modules are small operons involved in bacterial stress response and persistence. higBA operons form a family of TA modules with an inverted gene organization and a toxin belonging to the RelE/ParE superfamily. Here, we present the crystal structures of chromosomally encoded Vibrio cholerae antitoxin (VcHigA2), toxin (VcHigB2) and their complex, which show significant differences in structure and mechanisms of function compared to the higBA module from plasmid Rts1, the defining member of the family...
February 28, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334851/the-modulatory-effect-of-adaptive-deep-brain-stimulation-on-beta-bursts-in-parkinson-s-disease
#16
Gerd Tinkhauser, Alek Pogosyan, Simon Little, Martijn Beudel, Damian M Herz, Huiling Tan, Peter Brown
Adaptive deep brain stimulation uses feedback about the state of neural circuits to control stimulation rather than delivering fixed stimulation all the time, as currently performed. In patients with Parkinson's disease, elevations in beta activity (13-35 Hz) in the subthalamic nucleus have been demonstrated to correlate with clinical impairment and have provided the basis for feedback control in trials of adaptive deep brain stimulation. These pilot studies have suggested that adaptive deep brain stimulation may potentially be more effective, efficient and selective than conventional deep brain stimulation, implying mechanistic differences between the two approaches...
February 13, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28332075/roux-en-y-gastric-bypass-following-nissen-fundoplication-higher-risk-same-reward
#17
Michael D Watson, J Hunter Mehaffey, Bruce D Schirmer, Peter T Hallowell
BACKGROUND: Roux-en-Y gastric bypass (RYGB) effectively treats obesity and gastroesophageal reflux disease (GERD). As more surgeons recommend RYGB to treat GERD in patients with obesity, there are concerns about this approach in patients with previous non-bariatric foregut surgery. This study aims to evaluate the effect of previous non-bariatric foregut surgery on subsequent RYGB. METHODS: Retrospective review of 2089 patients undergoing RYGB between January 1985 and June 2015 was conducted to identify all patients with previous non-bariatric foregut surgery...
March 22, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28331141/characteristics-and-outcomes-of-laparoscopic-surgery-in-patients-with-gastroesophageal-reflux-and-related-disease-a-single-center-experience
#18
Tsutomu Nomura, Katsuhiko Iwakiri, Takeshi Matsutani, Nobutoshi Hagiwara, Itsuo Fujita, Yoshiharu Nakamura, Yoshikazu Kanazawa, Hiroshi Makino, Noriyuki Kawami, Masao Miyashita, Eiji Uchida
BACKGROUND: Laparoscopic anti-reflux surgery (LARS) is generally the treatment of choice for patients with gastroesophageal reflux disease (GERD). This report describes our experiences in performing LARS on patients with GERD, and focuses retrospectively on the pathophysiology of individual patients and the current status of Japanese patients who have undergone LARS. We demonstrate that patients with non-erosive reflux disease resistant to proton pump inhibitors (PPI-resistant NERD) and high-risk giant hernia, whom we are sometimes hesitant to treat surgically, can be safely and successfully treated with LARS (depending on the pathophysiology of individual patients)...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28330621/synergic-functions-of-mirnas-determine-neuronal-fate-of-adult-neural-stem-cells
#19
Meritxell Pons-Espinal, Emanuela de Luca, Matteo Jacopo Marzi, Ruth Beckervordersandforth, Andrea Armirotti, Francesco Nicassio, Klaus Fabel, Gerd Kempermann, Davide De Pietri Tonelli
Adult neurogenesis requires the precise control of neuronal versus astrocyte lineage determination in neural stem cells. While microRNAs (miRNAs) are critically involved in this step during development, their actions in adult hippocampal neural stem cells (aNSCs) has been unclear. As entry point to address that question we chose DICER, an endoribonuclease essential for miRNA biogenesis and other RNAi-related processes. By specific ablation of Dicer in aNSCs in vivo and in vitro, we demonstrate that miRNAs are required for the generation of new neurons, but not astrocytes, in the adult murine hippocampus...
March 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28330535/-advantages-and-disadvantages-of-direct-to-consumer-genetic-tests
#20
Camilla Worm Christiansen, Anne-Marie Axø Gerdes
Direct-to-consumer genetic tests are sold over the internet to consumers all over the world - including Denmark. No regulation of these tests has been introduced neither in Denmark nor in Europe, even though they have been on the market since 2007. Such tests have several advantages, but indeed also a long list of potential disadvantages, which are most often ignored, and among these is insufficient training of general practitioners in performing the necessary counselling but also the risk of increased expenses to unnecessary follow-up consultations...
March 13, 2017: Ugeskrift for Laeger
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