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https://www.readbyqxmd.com/read/29452098/features-of-chronic-obstructive-pulmonary-disease-as-predictors-of-lung-cancer
#1
Laurie L Carr, Sean Jacobson, David A Lynch, Marilyn G Foreman, Eric L Flenaugh, Craig P Hersh, Frank C Sciurba, David O Wilson, Jessica C Sieren, Patrick Mulhall, Victor Kim, C Matthew Kinsey, Russell P Bowler
BACKGROUND: Lung cancer is a leading cause of death and hospitalization for patients with chronic obstructive lung disease, (COPD); a detailed understanding of which clinical features of COPD increase risk is needed. METHODS: To identify clinical and imaging features of smokers, with and without COPD, that are associated with an increased risk of lung cancer, we performed a nested case-control study of COPDGene subjects with and without lung cancer, age 45-80, who smoked at least 10-pack years...
February 13, 2018: Chest
https://www.readbyqxmd.com/read/29451599/first-case-report-of-atypical-disseminated-cutaneous-leishmaniasis-in-an-opium-abuser-in-iran
#2
Seyed Ahmad Hashemi, Alireza Badirzadeh, Sadaf Sabzevari, Ali Nouri, Mohammad Seyyedin
Leishmaniasis is a worldwide tropical infectious disease caused by different species of intracellular protozoa parasites of the genus Leishmania . Herein, we report a 78-year-old man with unusual diffuse cutaneous leishmaniasis (DCL) who had a history of opium abuse and chronic obstructive pulmonary disease (COPD). He had multiple papular, crusted and severely ulcerated lesions extended to his arm and chest. Direct smears and skin punch biopsy of the lesions were suggestive of leishmaniasis. Parasite DNA was amplified from ulcers, and identified as Leishmania major by PCR-RFLP, confirmed by sequencing analyses...
2018: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29451525/-chronic-pancreatitis-new-definition-and-perspectives
#3
Maria Cristina Conti Bellocchi, Nicolò De Pretis, Antonio Amodio, Alessandro Zerbi, Luca Frulloni
Chronic pancreatitis has been considered over the past years as a single disease, alcohol-induced and different from acute pancreatitis, in terms of etiology and prognosis. Actually, the introduction of a new concept of chronic pancreatitis, now considered as a fibroinflammatory process caused by multiple factors (toxic-metabolic, genetic, immunologic, obstructive), allow to better understand the pathogenesis of this complex disease. Furthermore, the discover of peculiar forms of chronic pancreatitis (autoimmune, paraduodenal, associated to gene mutations), different in term of clinical aspects, findings at imaging, prognosis and therapy, radically changed the concept of the disease...
January 2018: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/29451070/confounders-other-than-comorbidity-explain-survival-differences-in-danish-and-swedish-ovarian-cancer-patients-a-comparative-cohort-study
#4
Mette Calundann Noer, Pia Leandersson, Torbjørn Paulsen, Susanne Rosthøj, Sofie Leisby Antonsen, Christer Borgfeldt, Claus Høgdall
OBJECTIVE: Danish ovarian cancer (OC) patients have previously been found to have worse prognosis than Swedish patients, and comorbidity has been suggested as a possible explanation for this survival difference. We aimed to investigate the prognostic impact of comorbidity in surgically treated OC patients in Denmark and Sweden. METHODS: This comparative cohort study was based on data from 3118 surgically treated OC patients diagnosed in 2012-2015. The Swedish subcohort (n = 1472) was identified through the Swedish National Quality Register of Gynecological Surgery, whereas the Danish subcohort (n = 1646) originated from the Danish Gynecological Cancer Database...
February 16, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29450824/solid-state-13-c-15-n-nmr-resonance-assignment-of-hepatitis-b-virus-core-protein
#5
Lauriane Lecoq, Shishan Wang, Thomas Wiegand, Stéphane Bressanelli, Michael Nassal, Beat H Meier, Anja Böckmann
Each year, nearly 900,000 deaths are due to serious liver diseases caused by chronic hepatitis B virus infection. The viral particle is composed of an outer envelope and an inner icosahedral nucleocapsid formed by multiple dimers of a ~ 20 kDa self-assembling core protein (Cp). Here we report the solid-state 13 C and 15 N resonance assignments of the assembly domain, Cp149, of the core protein in its capsid form. A secondary chemical shift analysis of the 140 visible residues suggests an overall alpha-helical three-dimensional fold matching that derived for Cp149 from the X-ray crystallography of the capsid, and from solution-state NMR of the Cp149 dimer...
February 16, 2018: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/29450696/neuroprotective-effects-of-melatonin-on-experimental-allergic-encephalomyelitis-mice-via-anti-oxidative-stress-activity
#6
Ting Long, Yuan Yang, Ling Peng, Zuoxiao Li
Multiple sclerosis (MS) is a chronic auto-inflammatory disease of the central nervous system (CNS) and hard to heal. This study aimed to investigate the effect of melatonin on mice with experimental autoimmune encephalomyelitis (EAE), a widely used MS model, and its potential mechanism underlying the action of MT on anti-oxidative stress. Female C57BL/6 mice were injected with MOG35-55 peptide to set up the EAE model, and for detection of the effect of melatonin (10 mg/kg i.p.) on the development and progression of EAE...
February 15, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29450576/immunopet-imaging-of-cd38-in-murine-lymphoma-models-using-89-zr-labeled-daratumumab
#7
Lei Kang, Dawei Jiang, Christopher G England, Todd E Barnhart, Bo Yu, Zachary T Rosenkrans, Rongfu Wang, Jonathan W Engle, Xiaojie Xu, Peng Huang, Weibo Cai
PURPOSE: CD38 is considered a potential biomarker for multiple myeloma (MM) and has shown a strong link with chronic lymphocytic leukemia due to high and uniform expression on plasma cells. In vivo evaluation of CD38 expression may provide useful information about lesion detection and prognosis of treatment in MM. In this study, immunoPET imaging with 89 Zr-labeled daratumumab was used for differentiation of CD38 expression in murine lymphoma models to provide a potential non-invasive method for monitoring CD38 in the clinic...
February 15, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29450403/iris-juvenile-xanthogranuloma-in-an-infant-spontaneous-hyphema-and-secondary-glaucoma
#8
Anca Pantalon, Tudor Ștefănache, Mihai Danciu, Sabina Zurac, Dorin Chiseliță
Juvenile xanthogranuloma (JXG) is a benign histiocytic skin disorder mainly encountered during infancy and childhood. Although with multiple potential localizations, less than 1% of the cases exhibit ocular manifestations. Some of these might lead to serious complications, specifically, secondary glaucoma that can result in severe and blinding eye disease. The aim of the present case report was to demonstrate typical clinical features, emphasize the difficulties attributed when managing these patients and literature review...
July 2017: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29450214/-mycobacterium-abscessus-complex-infections-a-retrospective-cohort-study
#9
Maroun Sfeir, Marissa Walsh, Rossana Rosa, Laura Aragon, Sze Yan Liu, Timothy Cleary, Marylee Worley, Corey Frederick, Lilian M Abbo
Background: Infections caused by Mycobacterium abscessus group strains are usually resistant to multiple antimicrobials and challenging to treat worldwide. We describe the risk factors, treatment, and clinical outcomes of patients in 2 large academic medical centers in the United States. Methods: A retrospective cohort study of hospitalized adults with a positive culture for M. abscessus in Miami, Florida (January 1, 2011, to December 31, 2014). Demographics, comorbidities, the source of infection, antimicrobial susceptibilities, and clinical outcomes were analyzed...
February 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29449144/a-dynamic-graph-cuts-method-with-integrated-multiple-feature-maps-for-segmenting-kidneys-in-2d-ultrasound-images
#10
Qiang Zheng, Steven Warner, Gregory Tasian, Yong Fan
RATIONALE AND OBJECTIVES: Automatic segmentation of kidneys in ultrasound (US) images remains a challenging task because of high speckle noise, low contrast, and large appearance variations of kidneys in US images. Because texture features may improve the US image segmentation performance, we propose a novel graph cuts method to segment kidney in US images by integrating image intensity information and texture feature maps. MATERIALS AND METHODS: We develop a new graph cuts-based method to segment kidney US images by integrating original image intensity information and texture feature maps extracted using Gabor filters...
February 12, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29449058/-epidemiology-of-lower-extremity-artery-disease
#11
Victor Aboyans, Marie-Antoinette Sevestre, Ileana Désormais, Philippe Lacroix, Gerry Fowkes, Michael H Criqui
It is estimated that more than 200 million individuals are affected by lower extremity artery disease (LEAD) worldwide. This prevalence has increased between 2000 and 2010 by 25%, especially in low/middle income countries. In France, about one million people are affected by this condition. Almost two-thirds of patients with LEAD are asymptomatic. This explains the interest of the measurement of the ankle-brachial index (ABI), an objective and harmless diagnostic tool. An ABI≤0.90 is considered as diagnostic for LEAD...
February 12, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29448957/brain-region-specific-enhancement-of-remyelination-and-prevention-of-demyelination-by-the-csf1r-kinase-inhibitor-blz945
#12
Nicolau Beckmann, Elisa Giorgetti, Anna Neuhaus, Stefan Zurbruegg, Nathalie Accart, Paul Smith, Julien Perdoux, Ludovic Perrot, Mark Nash, Sandrine Desrayaud, Peter Wipfli, Wilfried Frieauff, Derya R Shimshek
Multiple sclerosis (MS) is a chronic inflammatory disease affecting the central nervous system (CNS). While multiple effective immunomodulatory therapies for MS exist today, they lack the scope of promoting CNS repair, in particular remyelination. Microglia play a pivotal role in regulating myelination processes, and the colony-stimulating factor 1 (CSF-1) pathway is a key regulator for microglia differentiation and survival. Here, we investigated the effects of the CSF-1 receptor kinase inhibitor, BLZ945, on central myelination processes in the 5-week murine cuprizone model by non-invasive and longitudinal magnetic resonance imaging (MRI) and histology...
February 15, 2018: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/29448103/fgf-21-deficiency-slows-gastric-emptying-and-reduces-initial-blood-alcohol-concentration-in-mice-exposed-to-acute-alcohol-in-fasting-state
#13
Guicheng Wu, Yanlong Liu, Yunhuan Liu, Lihua Zhang, Haiyang Zhao, Liming Liu, Cuiqing Zhao, Wenke Feng
Excess alcohol consumption can lead to alcoholic liver disease. Fibroblast growth factor 21 (FGF21) is a metabolic regulator with multiple physiologic functions. Previous study demonstrated that FGF21 deficiency exacerbated alcohol-induced liver injury and exogenous FGF21 administration protected liver from chronic alcohol-induced injury. In this study, we aimed to explore the role of FGF21 in alcohol metabolism in mice. FGF21 knockout (KO) mice and the wild time (WT) control mice were divided into two groups and fasted for 24 h followed by a bonus of alcohol treatment at a dose of 5 g/kg body weight via gavage...
February 12, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29448007/dysfunction-of-cd3-cd16-cd56-dim-and-cd3-cd16-cd56-bright-nk-cell-subsets-in-rr-ms-patients
#14
Ilhan Tahrali, Umut Can Kucuksezer, Ayse Altintas, Ugur Uygunoglu, Nilgun Akdeniz, Esin Aktas Cetin, Gunnur Deniz
Multiple sclerosis (MS), is a chronic inflammatory disease of central nervous system with unclear etiology. Relapsing-remitting (RR)-MS is the most frequent subtype of disease. Natural Killer (NK) cells have roles in cytotoxicity and immune regulation by cytokine secretions, with uncertain contribution to MS pathogenesis. This study aimed to explore contribution of NK cells to MS pathogenesis. Percentages of CD3 - CD16 + CD56 + total NK cells, CD3 - CD16 + CD56 dim and CD3 - CD16 - CD56 bright NK cell subsets, NK cytotoxicity and intracellular IFN-γ, IL-10 and IL-22 levels were investigated in patients with RR-MS and clinically isolated syndrome (CIS) as well as healthy subjects...
February 12, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29448006/plasma-triglycerides-as-a-risk-factor-for-chronic-kidney-disease-in-type-2-diabetes-mellitus-evidence-from-the-northeastern-of-thailand
#15
Sojib Bin Zaman, Mohd Anisul Karim, Naznin Hossain, Gulam Muhammed Al Kibria, Sheikh Mohammed Shariful Islam
AIMS: To investigate the observational association between plasma triglyceride and CKD in patients with T2DM. METHODS: A hospital-based retrospective registry was used to obtain data of 3748 T2DM patients from May 2016 to October 2016. Anthropometric measurements and biochemical reports of T2DM patients with CKD were obtained by data extraction of medical records. CKD was defined according to the estimated glomerular filtration rate (eGFR <60mL/min/1.73 m 2 )...
February 12, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29447958/serelaxin-as-a-novel-therapeutic-opposing-fibrosis-and-contraction-in-lung-diseases
#16
REVIEW
Maggie Lam, Simon G Royce, Chrishan S Samuel, Jane E Bourke
The most common therapies for asthma and other chronic lung diseases are anti-inflammatory agents and bronchodilators. While these drugs oppose disease symptoms, they do not reverse established structural changes in the airways and their therapeutic efficacy is reduced with increasing disease severity. The peptide hormone, relaxin, is a Relaxin Family Peptide Receptor 1 (RXFP1) receptor agonist with unique combined effects in the lung that differentiates it from these existing therapies. Relaxin has previously been reported to have cardioprotective effects in acute heart failure as well anti-fibrotic actions in several organs...
February 12, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29447854/risk-factors-associated-complications-for-postoperative-urinary-retention-after-lumbar-surgery-for-lumbar-spinal-stenosis
#17
Joshua L Golubovsky, Haariss Ilyas, Jinxiao Chen, Joseph E Tanenbaum, Thomas E Mroz, Michael P Steinmetz
BACKGROUND CONTEXT: Postoperative Urinary Retention (POUR) is a very common post-operative complication of all surgeries (5 - 70%) that may lead to complications such as urinary tract infection (UTI), bladder over-distention, autonomic dysregulation, and increased postoperative length of stay (LOS). Within the field of spine surgery, the reported incidence of POUR is highly variable (5.6 - 38%). Lack of clear stratification of surgical level, spinal pathology, and inadequate sample size is a major limitation of available studies concerning POUR following spine surgery that may lead to inconsistency in the incidence of POUR and the ability to model its occurrence and consequences...
February 12, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29447231/preparedness-of-lower-level-health-facilities-and-the-associated-factors-for-the-outpatient-primary-care-of-hypertension-evidence-from-tanzanian-national-survey
#18
Deogratius Bintabara, Bonaventura C T Mpondo
INTRODUCTION: Sub-Saharan Africa is experiencing a rapid rise in the burden of non-communicable diseases in both urban and rural areas. Data on health system preparedness to manage hypertension and other non-communicable diseases remains scarce. This study aimed to assess the preparedness of lower-level health facilities for outpatient primary care of hypertension in Tanzania. METHODS: This study used data from the 2014-2015 Tanzania Service Provision Assessment survey...
2018: PloS One
https://www.readbyqxmd.com/read/29446739/role-of-complement-properdin-in-renal-ischemia-reperfusion-injury
#19
Zinah Zwaini, Houyong Dai, Cordula Stover, Bin Yang
Renal ischemia-reperfusion injury (IRI) is one of the main causes of acute kidney injury (AKI), and may lead to chronic kidney disease. The high mortality rate of AKI has not changed in the last 5 decades due to non-recognition, nephrotoxin exposure, delayed diagnosis and lack of specific intervention. Complement activation plays important roles in IRI-induced AKI because of its association with immunity, inflammation, cell death and tissue repair. Nevertheless, the role of complement properdin, the sole positive regulator of the alternative pathway, in IRI-induced AKI has not been well defined...
February 13, 2018: Current Gene Therapy
https://www.readbyqxmd.com/read/29445837/alkaline-phosphatases-in-the-complex-chronic-kidney-disease-mineral-and-bone-disorders
#20
Jordi Bover, Pablo Ureña, Armando Aguilar, Sandro Mazzaferro, Silvia Benito, Víctor López-Báez, Alejandra Ramos, Iara daSilva, Mario Cozzolino
Alkaline phosphatases (APs) remove the phosphate (dephosphorylation) needed in multiple metabolic processes (from many molecules such as proteins, nucleotides, or pyrophosphate). Therefore, APs are important for bone mineralization but paradoxically they can also be deleterious for other processes, such as vascular calcification and the increasingly known cross-talk between bone and vessels. A proper balance between beneficial and harmful activities is further complicated in the context of chronic kidney disease (CKD)...
February 14, 2018: Calcified Tissue International
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