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https://www.readbyqxmd.com/read/28414465/topical-intestinal-aminoimidazole-agonists-of-g-protein-coupled-bile-acid-receptor-1-promote-glucagon-like-peptide-1-secretion-and-improve-glucose-tolerance
#1
Manuel Lasalle, Vanessa Hoguet, Nathalie Hennuyer, Florence Leroux, Catherine Piveteau, Loic Belloy, Sophie Lestavel, Emmanuelle Vallez, Emilie Dorchies, Isabelle Duplan, Emmanuel Sevin, Maxime Culot, Fabien Gosselet, Rajaa Boulahjar, Adrien Herledan, Bart Staels, Benoit Deprez, Anne Tailleux, Julie Charton
The role of the G-Protein-coupled Bile Acid Receptor TGR5 in various organs, tissues and cell types, specifically in intestinal endocrine L-cells and brown adipose tissue, has made it a promising therapeutical target in several diseases, especially type-2 diabetes and metabolic syndrome. However, recent studies have shown deleterious on-target effects of systemic TGR5 agonists. To avoid these systemic effects while stimulating Glucagon Like Peptide-1 (GLP-1) secreting enteroendocrine L-cells, we have designed TGR5 agonists with low intestinal permeability...
April 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28412285/middle-east-respiratory-syndrome-coronavirus-vaccines-current-status-and-novel-approaches
#2
REVIEW
Nisreen Ma Okba, V Stalin Raj, Bart L Haagmans
Middle East respiratory syndrome coronavirus (MERS-CoV) is a cause of severe respiratory infection in humans, specifically the elderly and people with comorbidities. The re-emergence of lethal coronaviruses calls for international collaboration to produce coronavirus vaccines, which are still lacking to date. Ongoing efforts to develop MERS-CoV vaccines should consider the different target populations (dromedary camels and humans) and the correlates of protection. Extending on our current knowledge of MERS, vaccination of dromedary camels to induce mucosal immunity could be a promising approach to diminish MERS-CoV transmission to humans...
April 13, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28406555/international-guillain-barr%C3%A3-syndrome-outcome-study-igos-protocol-of-a-prospective-observational-cohort-study-on-clinical-and-biological-predictors-of-disease-course-and-outcome-in-guillain-barr%C3%A3-syndrome
#3
Bart C Jacobs, Bianca van den Berg, Christine Verboon, Govindsinh Chavada, David R Cornblath, Kenneth C Gorson, Thomas Harbo, Hans-Peter Hartung, Richard A C Hughes, Susumu Kusunoki, Pieter A van Doorn, Hugh J Willison
Guillain-Barré syndrome (GBS) is an acute polyradiculoneuropathy with a highly variable clinical presentation, course, and outcome. The factors that determine the clinical variation of GBS are poorly understood which complicates the care and treatment of individual patients. The protocol of the ongoing International GBS Outcome Study (IGOS), a prospective, observational, multi-centre cohort study that aims to identify the clinical and biological determinants and predictors of disease onset, subtype, course and outcome of GBS is presented here...
April 12, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/28388693/a-role-for-glycolipid-biosynthesis-in-severe-fever-with-thrombocytopenia-syndrome-virus-entry
#4
Mary Jane Drake, Benjamin Brennan, Kenneth Briley, Stephen M Bart, Eric Sherman, Agnieszka M Szemiel, Madeleine Minutillo, Frederic D Bushman, Paul Bates
A novel bunyavirus was recently found to cause severe febrile illness with high mortality in agricultural regions of China, Japan, and South Korea. This virus, named severe fever with thrombocytopenia syndrome virus (SFTSV), represents a new group within the Phlebovirus genus of the Bunyaviridae. Little is known about the viral entry requirements beyond showing dependence on dynamin and endosomal acidification. A haploid forward genetic screen was performed to identify host cell requirements for SFTSV entry...
April 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28384077/american-telemedicine-association-telestroke-guidelines
#5
Bart M Demaerschalk, Jill Berg, Brian W Chong, Hartmut Gross, Karin Nystrom, Opeolu Adeoye, Lee Schwamm, Lawrence Wechsler, Sallie Whitchurch
The following telestroke guidelines were developed to assist practitioners in providing assessment, diagnosis, management, and/or remote consultative support to patients exhibiting symptoms and signs consistent with an acute stroke syndrome, using telemedicine communication technologies. Although telestroke practices may include the more broad utilization of telemedicine across the entire continuum of stroke care, with some even consulting on all neurologic emergencies, this document focuses on the acute phase of stroke, including both pre- and in-hospital encounters for cerebrovascular neurological emergencies...
April 6, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28381876/genetic-origin-of-%C3%AE-0-thalassemia-sea-deletion-in-southeast-asian-populations-and-application-to-accurate-prenatal-diagnosis-of-hb-bart-s-hydrops-fetalis-syndrome
#6
Wittaya Jomoui, Goonnapa Fucharoen, Kanokwan Sanchaisuriya, Patnaree Charoenwijitkul, Jitpanu Maneesarn, Xiangmin Xu, Supan Fucharoen
α(0)-thalassemia of SEA deletion (-(SEA)) is common among Southeast Asian and Chinese. Using haplotype and phylogenetic analyses, we examined the origin of this defect in Southeast Asian populations. Study was done on both normal and α(0)-thalassemia alleles in 3 ethnic groups including 96 Thai, 52 Laotian and 21 Cambodian. Five SNPs encompassing the (-(SEA)) including (rs3760053 T>G), (rs1211375 A>C), (rs3918352 A>G), (rs1203974 A>G) and (rs11248914 C>T) were examined using high-resolution melting assays...
April 6, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28380315/myeloablative-versus-reduced-intensity-hematopoietic-cell-transplantation-for-acute-myeloid-leukemia-and-myelodysplastic-syndromes
#7
Bart L Scott, Marcelo C Pasquini, Brent R Logan, Juan Wu, Steven M Devine, David L Porter, Richard T Maziarz, Erica D Warlick, Hugo F Fernandez, Edwin P Alyea, Mehdi Hamadani, Asad Bashey, Sergio Giralt, Nancy L Geller, Eric Leifer, Jennifer Le-Rademacher, Adam M Mendizabal, Mary M Horowitz, H Joachim Deeg, Mitchell E Horwitz
Purpose The optimal regimen intensity before allogeneic hematopoietic cell transplantation (HCT) is unknown. We hypothesized that lower treatment-related mortality (TRM) with reduced-intensity conditioning (RIC) would result in improved overall survival (OS) compared with myeloablative conditioning (MAC). To test this hypothesis, we performed a phase III randomized trial comparing MAC with RIC in patients with acute myeloid leukemia or myelodysplastic syndromes. Patients and Methods Patients age 18 to 65 years with HCT comorbidity index ≤ 4 and < 5% marrow myeloblasts pre-HCT were randomly assigned to receive MAC (n = 135) or RIC (n = 137) followed by HCT from HLA-matched related or unrelated donors...
April 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28375874/immune-reconstitution-inflammatory-syndrome-associated-with-toxoplasmic-encephalitis-in-hiv-infected-patients-a-multicenter-cohort-study
#8
Ward P H van Bilsen, Charlotte H S B van den Berg, Bart J A Rijnders, Kees Brinkman, Jan W Mulder, Luc B S Gelinck, Andy I M Hoepelman, Ferdinand W N M Wit, Diederik van de Beek, Jan M Prins
OBJECTIVES: To investigate the incidence and risk factors of immune reconstitution inflammatory syndrome (IRIS) associated with toxoplasmic encephalitis (TE) in patients starting cART. DESIGN: A historical multicenter cohort study. METHODS: We included all HIV-infected patients diagnosed with TE in six Dutch hospitals between 1996 and 2016. Diagnosis of TE-IRIS was made using predefined IRIS criteria. We distinguished paradoxical TE-IRIS (worsening of underlying treated infection) from unmasking TE-IRIS (unmasking of subclinical infection after start of cART)...
April 3, 2017: AIDS
https://www.readbyqxmd.com/read/28367854/development-of-allograft-cancer-after-lung-transplantation-a-case-report
#9
Esther I Schwarz, Bart Vrugt, Lars C Huber, Christian Murer, Mace M Schuurmans, Ilhan Inci, Christian Benden
INTRODUCTION: In contrast to skin cancer and lymphoproliferative disorders, de-novo lung allograft cancer is seldom reported after lung transplantation. CASE REPORT: A 19-year-old patient with severe pulmonary hypertension listed urgently for lung transplantation underwent successful bilateral lung transplant procedure receiving lungs from a 55-year-old donor with a smoking history of 30 pack years. After 3.5 years of lung transplantation, a locally advanced squamous cell carcinoma in the left lung allograft was diagnosed...
March 29, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28341588/targeted-next-generation-sequencing-of-51-genes-involved-in-primary-electrical-disease
#10
Dorien Proost, Johan Saenen, Geert Vandeweyer, Annelies Rotthier, Maaike Alaerts, Emeline M Van Craenenbroeck, Joachim Van Crombruggen, Geert Mortier, Wim Wuyts, Christiaan Vrints, Jurgen Del Favero, Bart Loeys, Lut Van Laer
Primary electrical disease (PED) is characterized by cardiac arrhythmias, which can lead to sudden cardiac death in the absence of detectable structural heart disease. PED encompasses a diversity of inherited syndromes, predominantly Brugada syndrome, early repolarization syndrome, long QT syndrome, short QT syndrome, arrhythmogenic right ventricular cardiomyopathy, and catecholaminergic polymorphic ventricular tachycardia. To overcome the diagnostic challenges imposed by the clinical and genetic heterogeneity of PED, we developed a targeted gene panel for next-generation sequencing of 51 PED genes...
March 21, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28285880/phenotypic-screening-identifies-modulators-of-amyloid-precursor-protein-processing-in-human-stem-cell-models-of-alzheimer-s-disease
#11
Philip W Brownjohn, James Smith, Erik Portelius, Lutgarde Serneels, Hlin Kvartsberg, Bart De Strooper, Kaj Blennow, Henrik Zetterberg, Frederick J Livesey
Human stem cell models have the potential to provide platforms for phenotypic screens to identify candidate treatments and cellular pathways involved in the pathogenesis of neurodegenerative disorders. Amyloid precursor protein (APP) processing and the accumulation of APP-derived amyloid β (Aβ) peptides are key processes in Alzheimer's disease (AD). We designed a phenotypic small-molecule screen to identify modulators of APP processing in trisomy 21/Down syndrome neurons, a complex genetic model of AD. We identified the avermectins, commonly used as anthelmintics, as compounds that increase the relative production of short Aβ peptides at the expense of longer, potentially more toxic peptides...
April 11, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28285055/the-role-of-routine-peritoneal-and-omental-biopsies-at-risk-reducing-salpingo-oophorectomy
#12
Heather Miller, Laura S Pipkin, Celestine Tung, Tracilyn R Hall, Ramya P Masand, Matthew L Anderson
STUDY OBJECTIVE: Assess the potential role of peritoneal and omental biopsies in women undergoing risk-reducing salpingo-oopherectomy (RRSO) for prophylactic management of hereditary breast/ovarian cancer syndromes (HBOC). DESIGN: Retrospective observational cohort DESIGN: Classification: II.1 SETTING: Academic gynecology practice PATIENTS: All women who underwent RRSO for a high risk BRCA1/2 mutation or deletion at a single institution between January, 2003 and June, 2016...
March 8, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28275598/bilateral-ocular-myositis-associated-with-whipple-s-disease
#13
Vivak Parkash, Hardeep Singh Mudhar, Bart E Wagner, Didier Raoult, Ruth Batty, Hubert Lepidi, John Burke, Paul Collini, Thushan de Silva
PURPOSE: To describe the clinical features of a Caucasian female patient with a history of treated gastrointestinal Whipple's disease (WD) who developed new-onset diplopia, with a description of the histopathological features of the extraocular muscle biopsies. METHODS: A previously fit 38-year-old Caucasian female presented with acute-onset diplopia after being on a sustained medication regime for biopsy-proven gastrointestinal WD. A magnetic resonance imaging scan of her orbits with gadolinium revealed diffuse enhancement of the bellies of the extraocular muscles bilaterally, particularly the medial rectus, superior rectus, and superior oblique muscles, consistent with an infiltrative myositis...
January 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28251358/diagnosis-of-guillain-barr%C3%A3-syndrome-in-children-and-validation-of-the-brighton-criteria
#14
Joyce Roodbol, Marie-Claire Y de Wit, Bianca van den Berg, Vivienne Kahlmann, Judith Drenthen, Coriene E Catsman-Berrevoets, Bart C Jacobs
To describe the key diagnostic features of pediatric Guillain-Barré syndrome (GBS) and validate the Brighton criteria. Retrospective cohort study of all children (<18 years) diagnosed with GBS between 1987 and 2013 at Sophia Children's Hospital, Erasmus MC, Rotterdam. Clinical information was collected and the sensitivity of the Brighton criteria was calculated. 67 children (35 boys) were included, with a median age of 5.0 years [interquartile range (IQR) 3.0-10.0 years]. Bilateral limb weakness was present at hospital admission in 93% of children, and at nadir in all patients...
March 1, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28243924/the-respiratory-pressure-abdominal-volume-curve-in-a-porcine-model
#15
Adrian Regli, Bart Leon De Keulenaer, Bhajan Singh, Lisen Emma Hockings, Bill Noffsinger, Peter Vernon van Heerden
BACKGROUND: Increasing intra-abdominal volume (IAV) can lead to intra-abdominal hypertension (IAH) or abdominal compartment syndrome. Both are associated with raised morbidity and mortality. IAH can increase airway pressures and impair ventilation. The relationship between increasing IAV and airway pressures is not known. We therefore assessed the effect of increasing IAV on airway and intra-abdominal pressures (IAP). METHODS: Seven pigs (41.4 +/-8.5 kg) received standardized anesthesia and mechanical ventilation...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28209655/mutational-analysis-in-serial-marrow-samples-during-azacitidine-treatment-in-patients-with-post-transplant-relapse-of-acute-myeloid-leukemia-or-myelodysplastic-syndromes
#16
Janghee Woo, Nicholas P Howard, Barry E Storer, Min Fang, Cecilia C Yeung, Bart L Scott, H Joachim Deeg
No abstract text is available yet for this article.
February 16, 2017: Haematologica
https://www.readbyqxmd.com/read/28169448/bold-perch-live-life-in-the-fast-lane
#17
Bart Adriaenssens
A schematic summary showing the links between behaviour and life-history observed by Nakayama, Rapp & Arlinghaus in wild Eurasion perch (Perca fluviatilis). [Colour figure can be viewed at wileyonlinelibrary.com]. In Focus: Nakayama, S., Rapp, T. & Arlinghaus, R. (2017) Fast-slow life history is correlated with individual differences in movements and prey selection in an aquatic predator in the wild. Journal of Animal Ecology, 86, 192-201. The pace-of-life syndrome hypothesis (POLS) suggests that individual behavioural variation co-evolves with life-history variation, causing individuals on a fast life-history trajectory to display more active or bold personalities than individuals following a slow trajectory...
March 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28169189/ovarian-stimulation-protocols-for-ivf-is-more-better-than-less
#18
REVIEW
Michael M Alper, Bart C Fauser
Conventional ovarian stimulation protocols for IVF are designed to achieve maximum oocyte yields. Conventional protocols, however, are associated with patient discomfort, increased risk of ovarian hyperstimulation syndrome and higher costs. In recent years, mild stimulation protocols have risen in popularity. These protocols typically use lower doses (≤150 IU/day), shorter duration of exogenous gonadotrophins, or both, compared with conventional protocols, with the goal of limiting the number of retrieved oocytes to less than eight...
January 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28102232/aetiology-and-management-of-hereditary-aortopathy
#19
REVIEW
Aline Verstraeten, Ilse Luyckx, Bart Loeys
Aortic aneurysms are a major health problem because they account for 1-2% of all deaths in the Western population. Although abdominal aortic aneurysms (AAAs) are more prevalent than thoracic aortic aneurysms (TAAs), TAAs have been more exhaustively studied over the past 2 decades because they have a higher heritability and affect younger individuals. Gene identification in both syndromic and nonsyndromic TAA is proceeding at a rapid pace and has already pinpointed >20 genes associated with familial TAA risk...
April 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28074147/cerebellar-ataxia-and-sensory-ganglionopathy-associated-with-light-chain-myeloma
#20
Panagiotis Zis, Dasappaiah Ganesh Rao, Bart E Wagner, Lucinda Nicholson-Goult, Nigel Hoggard, Marios Hadjivassiliou
BACKGROUND: Cerebellar ataxia with sensory ganglionopathy is a rare neurological combination that can occur in some hereditary ataxias including mitochondrial diseases and in gluten sensitivity. Individually each condition can be a classic paraneoplastic neurological syndrome. We report a patient with this combination who was diagnosed with light-chain myeloma ten years after initial presentation. CASE PRESENTATION: A 65-year-old Caucasian lady was referred to our Ataxia Clinic because of a 6-year history of progressive unsteadiness and a 2-year history of slurred speech...
2017: Cerebellum & Ataxias
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