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https://www.readbyqxmd.com/read/27915441/ovarian-metastasis-from-uveal-melanoma-with-mlh1-pms2-protein-loss-in-a-patient-with-germline-mlh1-mutated-lynch-syndrome-consequence-or-coincidence
#1
João Lobo, Carla Pinto, Micaela Freitas, Manuela Pinheiro, Rámon Vizcaino, Esther Oliva, Manuel R Teixeira, Carmen Jerónimo, Carla Bartosch
Currently, uveal melanoma is not considered within the Lynch syndrome tumor spectrum. However, there are studies suggesting a contribution of microsatellite instability in sporadic uveal melanoma tumorigenesis. We report a 45-year-old woman who was referred for genetic counseling due to a family history of Lynch syndrome caused by a MLH1 mutation. She originally underwent enucleation of the right eye secondary to a uveal spindle cell melanoma diagnosed at age 25. The tumor recurred 22 years later presenting as an ovarian metastasis and concurrently a microscopic endometrial endometrioid carcinoma, grade 1/3 was diagnosed...
December 3, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27915321/anti-vascular-endothelial-growth-factor-preparations-in-the-treatment-of-retinopathy-of-prematurity-balancing-risks-and-benefits
#2
Deepak Chawla, Brian A Darlow
NEED AND PURPOSE OF REVIEW: The standard of management of severe retinopathy of prematurity (ROP) is laser ablation of the peripheral retina. Intra-vitreal injection of anti- vascular endothelial growth factor antibodies has emerged as an alternative modality of treatment of ROP. The purpose of this review is to evaluate the current evidence on benefits and risks of using anti-VEGF antibodies for management of ROP. METHODS: PubMed and Cochrane Register of Clinical Trials were searched for studies evaluating role of anti-VEGF agents in ROP...
November 7, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27915301/assessing-the-risk-of-false-positive-serum-galactomannan-among-patients-receiving-piperacillin-tazobactam-for-febrile-neutropenia
#3
Hayati Demiraslan, M Altay Atalay, Esma Eren, Koray Demir, Leylagul Kaynar, A Nedret Koc, Mehmet Doganay
Galactomannan (GM) assay is commonly used as an early diagnostic tool for invasive fungal infection (IFI) in high-risk hematology patients. False positivity is frequently observed in GM with the use of piperacillin/tazobactam. The usage of generic drugs over the original brand has a significant cost advantage. The aim of this study was to assess the performance of GM test among patients receiving original and generic piperacillin/tazobactam formulations. The study included 85 adult patients; 62.4% were male with hematological malignancy currently receiving piperacillin/tazobactam...
December 2, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27915190/gunshot-residue-and-brakepads-compositional-and-morphological-considerations-for-forensic-casework
#4
William Tucker, Nick Lucas, Kelsey E Seyfang, K Paul Kirkbride, Rachel S Popelka-Filcoff
Previous research has raised the possibility that automotive brake pads can produce particles that are both compositionally and morphologically similar to gunshot residue (GSR). These studies, published in the early 2000s, coincided with the reduction or removal of unnecessary sources of lead from the automotive industry. The question therefore arises whether modern brake pads might still be a relevant source of 'GSR-like' particles. In the present study, a total of 75 brake pads taken from a range of cars currently on the road in Adelaide, South Australia, were collected from service centres...
November 23, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27915188/combined-cluster-and-discriminant-analysis-an-efficient-chemometric-approach-in-diesel-fuel-characterization
#5
Márton Novák, Dóra Palya, Zsolt Bodai, Zoltán Nyiri, Norbert Magyar, József Kovács, Zsuzsanna Eke
Combined cluster and discriminant analysis (CCDA) as a chemometric tool in compound specific isotope analysis of diesel fuels was studied. The stable carbon isotope ratios (δ(13)C) of n-alkanes in diesel fuel can be used to characterize or differentiate diesels originating from different sources. We investigated 25 diesel fuel samples representing 20 different brands. The samples were collected from 25 different service stations in 11 European countries over a 2 year period. The n-alkane fraction of diesel fuels was separated using solid-state urea clathrate formation combined with silica gel fractionation...
November 23, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27915139/impairment-of-fetal-hematopoietic-stem-cell-function-in-the-absence-of-fancd2
#6
Sakiko Suzuki, Ronny R Racine, Nathan A Manalo, Sharon B Cantor, Glen D Raffel
Fanconi Anemia (FA), results from mutations in genes necessary for DNA damage repair and often leads to progressive bone marrow failure. Although the exhaustion of the bone marrow leads to cytopenias in FA patients as they age, evidence from human FA and mouse model fetal livers suggests hematopoietic defects originate in utero which may lead to deficient seeding of the bone marrow. To address this possibility, we examined the consequences of loss of Fancd2, a central component of the FA pathway. Examination of E14...
November 30, 2016: Experimental Hematology
https://www.readbyqxmd.com/read/27915087/genetically-unrelated-multidrug-and-carbapenem-resistant-citrobacter-freundii-detected-in-outpatients-admitted-to-a-portuguese-hospital
#7
Cátia Santos, Elmano Ramalheira, Gabriela Da Silva, Sónia Mendo
OBJECTIVES: Non-clonal, carbapenem- and multidrug-resistant Citrobacter freundii isolates were collected from unrelated outpatients admitted to a Portuguese hospital emergency department. One patient lived in a nursing home and was never hospitalised, whereas the other patient was repeatedly hospitalised in this hospital. The aim of this study was to unveil the molecular mechanisms associated with the carbapenem resistance of these isolates and to assess its potential dissemination. METHODS: Isolate identification was performed by VITEK(®)2 and was confirmed by 16S rDNA sequencing...
November 15, 2016: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27915062/rosette-forming-glioneuronal-tumor-originating-from-the-spinal-cord-report-of-two-cases-and-literature-review
#8
Lian Duan, Yunkun Zhang, Weilun Fu, Sumin Geng
Rosette-forming glioneuronal tumor (RGNT) is a recently recognized and rarely encountered tumor occurring in the fourth ventricle. Histologically, it is composed by two distinct features: a glial component, resembling pilocytic astrocytoma, and a neurocytic component forming neurocytic rosettes and/or perivascular rosettes. The authors describe two extremely rare cases of RGNT arising from the spinal cord, which were misdiagnosed as ependymoma and astrocytoma preoperatively. Symptoms included dissociated sensory disturbance, episodic pain and fatigue, as well as motor disturbance, had been presented for two years and two months, respectively...
November 30, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27915030/the-effect-of-anionic-dicephalic-surfactants-on-fabrication-of-varied-core-nanocarriers-for-sustained-release-of-porphyrin-photosensitizers
#9
Urszula Bazylińska, Renata Frąckowiak, Zbigniew Brzózka, Kazimiera A Wilk
Double-headed anionic surfactants could provide a profound group of efficient stabilizers of new template-mediated nanocarriers for effective encapsulation and sustained release of highly hydrophobic photosensitizers, and therefore their improved therapeutic activity in photodynamic therapy (PDT) protocols. We have thus encapsulated porphyrin-origin dyes, i.e., verteporfin (VP) and meso-tetraphenylporphyrin (TPP) in different types of sodium alkyliminobisacetates, Cn(COONa)2-stabilized nanosystems including biocompatible poly(l-glutamic acid)/poly(l-lysine) - PGA/PLL, multilayer nanocapsules (NCs)...
November 19, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/27914981/complement-a-primer-for-the-coming-therapeutic-revolution
#10
REVIEW
Scott R Barnum
The complement system is an important part of the innate and adaptive immune systems. Originally characterized as a single serum component contributing to the killing of bacteria, we now know that there are close to sixty complement proteins, multiple activation pathways and a wide range of effector functions mediated by complement. The system plays a critical role in host defense against bacteria, viruses, fungi and other pathogens. However, inappropriate complement activation contributes to the pathophysiology of autoimmune diseases and many inflammatory syndromes...
November 30, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27914959/virulence-traits-and-different-nle-profiles-in-cattle-and-human-verotoxin-producing-escherichia-coli-o157-h7-strains-from-argentina
#11
Juliana González, Andrea Mariel Sanso, Jimena Soledad Cadona, Ana Victoria Bustamante
Verotoxin-producing E. coli (VTEC) O157:H7 is the dominant serotype isolated from patients with HUS and, Argentina has the highest rate of HUS in the world. Molecular typing had allowed to identify subpopulations related to the origin and virulence of O157:H7 strains. Our aim was to perform a genetic characterization of 43 O157:H7 strains isolated in Argentine mostly from cattle and humans in order to establish the potential public health risk. For it, we used a combination of molecular subtyping methods in order to identify clade 8_rhsA (C3468G), LSPA-6 and virulence profiles and, a cytotoxicity assay on Vero cell...
November 30, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27914952/independent-tonotopy-and-thalamocortical-projection-patterns-in-two-adjacent-parts-of-the-classical-primary-auditory-cortex-in-mice
#12
Hiroaki Tsukano, Masao Horie, Kuniyuki Takahashi, Ryuichi Hishida, Hirohide Takebayashi, Katsuei Shibuki
Amid recent amendment of delineation of a mouse auditory cortical map, a caudal auditory field, originally defined as the primary auditory cortex (AI), was divided into the AI and dorsomedial field (DM), based on distinct high frequency areas. A low frequency area was not previously established in the DM because responses to low frequency tones were weak in this area. This may lead to the misconception that the DM is an atypical region that lacks a low frequency band. In the current study, we confirmed that the DM has a low frequency area that is completely independent from the AI...
November 30, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27914883/validation-of-the-beck-hopelessness-scale-in-patients-with-suicide-risk
#13
German Eduardo Rueda-Jaimes, Vanessa Alexandra Castro-Rueda, Andrés Mauricio Rangel-Martínez-Villalba, Catalina Moreno-Quijano, Gustavo Adolfo Martinez-Salazar, Paul Anthony Camacho
INTRODUCTION: Only a few scales have been validated in Spanish for the assessment of suicide risk, and none of them have achieved predictive validity. OBJECTIVE: To determine the validity and reliability of the Beck Hopelessness Scale in patients with suicide risk attending the specialist clinic. METHODS: The Beck Hopelessness Scale, reasons for living inventory, and the suicide behaviour questionnaire were applied in patients with suicide risk attending the psychiatric clinic and the emergency department...
November 30, 2016: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/27914872/st-elevation-myocardial-infarction-in-anomalous-origin-of-right-coronary-artery-from-the-left-sinus-of-valsalva-and-interarterial-course
#14
Juan Caro-Codón, José Ruiz-Cantador, Ángel Sánchez-Recalde, Elena Refoyo-Salicio, Ana Elvira González García, José Luis López-Sendón
No abstract text is available yet for this article.
November 30, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/27914852/a-call-to-strengthen-the-global-strategy-against-schistosomiasis-and-soil-transmitted-helminthiasis-the-time-is-now
#15
REVIEW
Nathan C Lo, David G Addiss, Peter J Hotez, Charles H King, J Russell Stothard, Darin S Evans, Daniel G Colley, William Lin, Jean T Coulibaly, Amaya L Bustinduy, Giovanna Raso, Eran Bendavid, Isaac I Bogoch, Alan Fenwick, Lorenzo Savioli, David Molyneux, Jürg Utzinger, Jason R Andrews
In 2001, the World Health Assembly (WHA) passed the landmark WHA 54.19 resolution for global scale-up of mass administration of anthelmintic drugs for morbidity control of schistosomiasis and soil-transmitted helminthiasis, which affect more than 1·5 billion of the world's poorest people. Since then, more than a decade of research and experience has yielded crucial knowledge on the control and elimination of these helminthiases. However, the global strategy has remained largely unchanged since the original 2001 WHA resolution and associated WHO guidelines on preventive chemotherapy...
November 30, 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27914762/distribution-of-the-neuro-regulatory-peptide-galanin-in-the-human-eye
#16
Alexandra Kaser-Eichberger, Andrea Trost, Clemens Strohmaier, Barbara Bogner, Christian Runge, Daniela Bruckner, Bettina Hohberger, Anselm Jünemann, Barbara Kofler, Herbert A Reitsamer, Falk Schrödl
Galanin (GAL) is a neuro-regulatory peptide involved in many physiological and pathophysiological processes. While data of GAL origin/distribution in the human eye are rather fragmentary and since recently the presence of GAL-receptors in the normal human eye has been reported, we here systematically search for sources of ocular GAL in the human eye. Human eyes (n=14) were prepared for single- and double-immunohistochemistry of GAL and neurofilaments (NF). Cross- and flat-mount sections were achieved; confocal laser-scanning microscopy was used for documentation...
November 25, 2016: Neuropeptides
https://www.readbyqxmd.com/read/27914746/a-critical-appraisal-of-the-mild-axonal-peripheral-neuropathy-of-late-neurologic-lyme-disease
#17
REVIEW
Gary P Wormser, Franc Strle, Eugene D Shapiro, Raymond J Dattwyler, Paul G Auwaerter
In older studies, a chronic distal symmetric sensory neuropathy was reported as a relatively common manifestation of late Lyme disease in the United States. However, the original papers describing this entity had notable inconsistencies and certain inexplicable findings, such as reports that this condition developed in patients despite prior antibiotic treatment known to be highly effective for other manifestations of Lyme disease. More recent literature suggests that this entity is seen rarely, if at all. A chronic distal symmetric sensory neuropathy as a manifestation of late Lyme disease in North America should be regarded as controversial and in need of rigorous validation studies before acceptance as a documented clinical entity...
November 12, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27914745/localization-of-neurologic-lesions-in-ruminants
#18
REVIEW
Kevin E Washburn
As stated many times throughout this issue, localization of the origin of neurologic deficits in ruminants is paramount to successful diagnosis and prognosis. This article serves as a guide to answer 2 questions that should be asked when presented with a ruminant with neurologic dysfunction: Is the lesion rostral or caudal to the foramen magnum? and Does the animal have primary neurologic disease? The answers to these 2 broad questions begin the thought processes to more specifically describe the location and nature of the dysfunction...
November 30, 2016: Veterinary Clinics of North America. Food Animal Practice
https://www.readbyqxmd.com/read/27914720/improving-publication-quality-and-quantity-for%C3%A2-acute-care-authors-from-low-and-middle-income-settings
#19
Stevan R Bruijns, Megan Banner, Gabrielle A Jacquet
STUDY OBJECTIVE: Researchers from low- and middle-income countries have limited access to publishing and editing resources. This study describes a journal-initiated platform to improve publication quantity and quality in Sub-Saharan Africa emergency care research: Author Assist. METHODS: This is a descriptive report of a quality improvement project of referrals to the African Journal of Emergency Medicine's (AfJEM's) Author Assist program between January 2011 and December 2015...
November 30, 2016: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/27914689/efficacy-of-biologic-therapy-across-individual-juvenile-idiopathic-arthritis-subtypes-a-systematic-review
#20
REVIEW
Rebecca Davies, Danielle Gaynor, Kimme L Hyrich, Clare E Pain
OBJECTIVE: To determine the efficacy of differing biologic therapies amongst individual juvenile idiopathic arthritis (JIA) subtypes rather than JIA overall. METHODS: A systematic literature review was conducted between January 1975 and November 2014. Studies included were randomised controlled trials, controlled trials, non-randomised prospective studies or case-control studies. Subjects were required to have a diagnosis of JIA and were ≤20 years of age at study entry...
November 1, 2016: Seminars in Arthritis and Rheumatism
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