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https://www.readbyqxmd.com/read/29151256/melatonin-and-metformin-diminish-oxidative-stress-in-heart-tissue-in-a-rat-model-of-high-fat-diet-and-mammary-carcinogenesis
#1
Natalia Kurhaluk, Bianka Bojkova, Marek Radkowski, Olga V Zaitseva, Svitlana Kyriienko, Urszula Demkow, Pawel J Winklewski
The aim of this study was to determine the effects of long-term administration of the oral antidiabetic metformin or the pineal hormone melatonin, and a combination thereof, in preventing oxidative stress in the heart tissue of female Sprague-Dawley rats with mammary tumors induced by N-methyl-N-nitrosourea (NMU) (50 mg/kg) given on the 42nd postnatal day. Metformin and melatonin were administered 12 days before and 16 weeks after the carcinogen. During the experiment, all animals were fed a high fat diet (10% total fat, 2...
November 19, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29151224/the-potential-role-of-the-osteopontin-osteocalcin-osteoprotegerin-triad-in-the-pathogenesis-of-prediabetes-in-humans
#2
Giuseppe Daniele, Deidre Winnier, Andrea Mari, Jan Bruder, Marcel Fourcaudot, Zuo Pengou, Andrea Hansis-Diarte, Christopher Jenkinson, Devjit Tripathy, Franco Folli
AIMS: To examine the relationship between hormones involved in bone remodeling and glucose metabolism alterations in prediabetes. METHODS: Individuals (n = 43) with NGT (BMI = 31.1 ± 1.1 kg/m(2)) and individuals (n = 79) with impaired glucose regulation (IGR) (BMI = 31.9 ± 1.2 kg/m(2)) including subjects with IFG, IGT, and IFG-IGT underwent OGTT and DXA. Osteopontin (OPN), osteocalcin (OCN), osteoprotegerin (OPG), and PTH levels were measured at fasting...
November 18, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/29151187/spatial-distributions-of-hexachlorobutadiene-in-agricultural-soils-from-the-yangtze-river-delta-region-of-china
#3
Jianteng Sun, Lili Pan, Yu Zhan, Lizhong Zhu
Hexachlorobutadiene (HCBD) is one of the persistent organic pollutants (POPs) listed by the Stockholm Convention and poses potential risks to human health and ecosystems. To reveal the regional-scale pollution status of HCBD in agricultural soils from fast-developing areas, an extensive investigation was conducted in the core Yangtze River Delta (YRD), China. The detectable concentrations of HCBD in 241 soil samples ranged from 0.07 to 8.47 ng g(-1) dry weight, with an average value of 0.32 ng g(-1) and a detection rate of 59...
November 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29151182/electrical-cardioversion-of-patients-with-implanted-pacemaker-or-cardioverter-defibrillator-results-of-a-survey-of-german-centers-and-systematic-review-of-the-literature
#4
J Lüker, A Sultan, T Plenge, J van den Bruck, C-H Heeger, S Meyer, K Mischke, R R Tilz, D Vollmann, G Nölker, B Schäffer, S Willems, D Steven
AIMS: A relevant number of patients presenting for electrical cardioversion carry a pacemaker (PM) or ICD. Case reports suggest a potential hazard of external cardioversion/defibrillation. The incidence of shock related device complications is unknown. No guidelines or recommendations by international medical societies for a cardioversion protocol of cardiovascular implantable electronic device (CIED) patients exist. We conducted a nationwide survey to gather real-world clinical data on the current clinical approach towards these patients during electrical cardioversion and to estimate the incidence of shock-related complications...
November 18, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29151142/mr-imaging-perfusion-and-diffusion-analysis-to-assess-preoperative-short-course-radiotherapy-response-in-locally-advanced-rectal-cancer-standardized-index-of-shape-by-dce-mri-and-intravoxel-incoherent-motion-derived-parameters-by-dw-mri
#5
Antonella Petrillo, Roberta Fusco, Vincenza Granata, Sergio Venanzio Setola, Mario Sansone, Daniela Rega, Paolo Delrio, Francesco Bianco, Giovanni Maria Romano, Fabiana Tatangelo, Antonio Avallone, Biagio Pecori
Our aim is to assess preoperative Short Course Radiotherapy (SCR) tumor response in locally advanced rectal cancer (LARC) through Standardized Index of Shape (SIS) by DCE-MRI, apparent diffusion coefficient (ADC) and intravoxel incoherent motion-derived parameters by DW-MRI. 35 patients with LARC underwent MR scan before and after SCR followed by delayed surgery, retrospectively, were enrolled. SIS, ADC, tissue diffusion (D t), pseudodiffusion (D p), and perfusion fraction (f) were extracted by MRI for each patient before and after SCR...
November 18, 2017: Medical Oncology
https://www.readbyqxmd.com/read/29151138/optical-coherence-tomography-guided-percutaneous-coronary-intervention-compared-with-other-imaging-guidance-a-meta-analysis
#6
Kayode O Kuku, Emmanuel Ekanem, Viana Azizi, Gebremedhin Melaku, Anh Bui, Yael F Meirovich, Aaphtaab Dheendsa, Solomon Beyene, Alexandre Hideo-Kajita, Michael J Lipinski, Ron Waksman, Hector M Garcia-Garcia
The use of optical coherence tomography (OCT) in PCI guidance is limited perhaps by the lack of adequately powered studies which compare its efficacy and outcomes to the other more popular imaging modalities. We therefore performed a meta-analysis to compare clinical outcomes following OCT-guided PCI with the other imaging modalities in two separate comparisons. We abstracted data from randomized control trials and observational comparative studies focusing on OCT versus either angiography- or IVUS-guided PCI outcomes identified following a systematic search (April 2006 and May 2017)...
November 18, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29151059/genome-wide-association-study-of-telomere-length-among-south-asians-identifies-a-second-rtel1-association-signal
#7
Dayana A Delgado, Chenan Zhang, Lin S Chen, Jianjun Gao, Shantanu Roy, Justin Shinkle, Mekala Sabarinathan, Maria Argos, Lin Tong, Alauddin Ahmed, Tariqul Islam, Muhammad Rakibuz-Zaman, Golam Sarwar, Hasan Shahriar, Mahfuzar Rahman, Mohammad Yunus, Farzana Jasmine, Muhammad G Kibriya, Habibul Ahsan, Brandon L Pierce
BACKGROUND: Leucocyte telomere length (TL) is a potential biomarker of ageing and risk for age-related disease. Leucocyte TL is heritable and shows substantial differences by race/ethnicity. Recent genome-wide association studies (GWAS) report ~10 loci harbouring SNPs associated with leucocyte TL, but these studies focus primarily on populations of European ancestry. OBJECTIVE: This study aims to enhance our understanding of genetic determinants of TL across populations...
November 18, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29151055/exploring-the-effects-of-transfers-and-readmissions-on-trends-in-population-counts-of-hospital-admissions-for-coronary-heart-disease-a-western-australian-data-linkage-study
#8
Derrick Lopez, Lee Nedkoff, Matthew Knuiman, Michael S T Hobbs, Thomas G Briffa, David B Preen, Joseph Hung, John Beilby, Sushma Mathur, Anna Reynolds, Frank M Sanfilippo
OBJECTIVES: To develop a method for categorising coronary heart disease (CHD) subtype in linked data accounting for different CHD diagnoses across records, and to compare hospital admission numbers and ratios of unlinked versus linked data for each CHD subtype over time, and across age groups and sex. DESIGN: Cohort study. DATA SOURCE: Person-linked hospital administrative data covering all admissions for CHD in Western Australia from 1988 to 2013...
November 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/29151052/prevalence-of-health-services-usage-and-associated-factors-in-the-amazon-region-of-brazil-a-population-based-cross-sectional-study
#9
Maria Elizete A Araujo, Marcus T Silva, Tais F Galvao, Mauricio G Pereira
OBJECTIVES: To estimate the prevalence of healthcare use and associated factors in the Manaus metropolitan region and to describe the reasons for lack of access. DESIGN: Cross-sectional population-based study. SETTING: A survey conducted between May and August of 2015 in eight cities from Manaus metropolitan region, Amazonas, Brazil. PARTICIPANTS: 4001 adults ≥18 years of age. PRIMARY OUTCOMES MEASURES: Physician visits, dentist visits and hospitalisations in the last 12 months were the primary outcomes...
November 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/29151051/subclinical-propionibacterium-acnes-infection-estimation-in-the-intervertebral-disc-spine-id-protocol-for-a-prospective-cohort
#10
Nelson Astur, Delio E Martins, Marcelo Wajchenberg, Mario Ferretti, Fernando G Menezes, Andre M Doi, Laercio A Rosemberg, Durval C B Santos, Alexandre S Iutaka, Luciano M R Rodrigues, Marines D V Martino, Jorge R Pagura, Eduardo N Kihara Filho, Mario Lenza
INTRODUCTION: Low back pain and vertebral endplate abnormalities are common conditions within the population. Subclinical infection caused by indolent pathogens can potentially lead to these findings, with differentiation between them notably challenging from a clinical perspective. Progressive infection of the intervertebral disc has been extensively associated with increasing low back pain, with Propionibacterium acnes specifically implicated with in relation to sciatica. The main purpose of this study is to identify if the presence of an infective pathogen within the intervertebral disc is primary or is a result of intraoperative contamination, and whether this correlates to low back pain...
November 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/29151027/plasma-nitrate-and-incidence-of-cardiovascular-disease-and-all-cause-mortality-in-the-community-the-framingham-offspring-study
#11
Renke Maas, Vanessa Xanthakis, Thomas Göen, Johannes Müller, Edzard Schwedhelm, Rainer H Böger, Ramachandran Vasan
BACKGROUND: Nitrate is a dietary component as well as an endogenously formed metabolite and source of the signaling molecule nitric oxide. Harmful as well as beneficial effects of nitrate have been advocated. Data regarding the prognostic relevance of plasma nitrate are limited. The aim of this study was to evaluate the prospective association of plasma nitrate with cardiovascular disease (CVD) and all-cause mortality. METHODS AND RESULTS: We assayed plasma nitrate in 2855 Framingham Offspring Study participants (mean age 59 years, 54% women) by gas chromatography-mass spectrometry and evaluated its association with all-cause mortality and incident CVD...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29151023/quadriceps-force-and-anterior-tibial-force-occur-obviously-later-than-vertical-ground-reaction-force-a-simulation-study
#12
Ryo Ueno, Tomoya Ishida, Masanori Yamanaka, Shohei Taniguchi, Ryohei Ikuta, Mina Samukawa, Hiroshi Saito, Harukazu Tohyama
BACKGROUND: Although it is well known that quadriceps force generates anterior tibial force, it has been unclear whether quadriceps force causes great anterior tibial force during the early phase of a landing task. The purpose of the present study was to examine whether the quadriceps force induced great anterior tibial force during the early phase of a landing task. METHODS: Fourteen young, healthy, female subjects performed a single-leg landing task. Muscle force and anterior tibial force were estimated from motion capture data and synchronized force data from the force plate...
November 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29151019/bcrocsurface-an-r-package-for-correcting-verification-bias-in-estimation-of-the-roc-surface-and-its-volume-for-continuous-diagnostic-tests
#13
Khanh To Duc
BACKGROUND: Receiver operating characteristic (ROC) surface analysis is usually employed to assess the accuracy of a medical diagnostic test when there are three ordered disease status (e.g. non-diseased, intermediate, diseased). In practice, verification bias can occur due to missingness of the true disease status and can lead to a distorted conclusion on diagnostic accuracy. In such situations, bias-corrected inference tools are required. RESULTS: This paper introduce an R package, named bcROCsurface, which provides utility functions for verification bias-corrected ROC surface analysis...
November 18, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29150985/general-illness-and-psychological-factors-in-patients-with-chronic-nasal-symptoms
#14
Naveed Kara, Alexander C Yao, Julia Newton, Vincent Deary, James O'Hara, Janet A Wilson
OBJECTIVES: Only a minority of patients referred to specialists with sinonasal symptoms have clear evidence of chronic rhinosinusitis. This study aims to estimate the prevalence of and associations between (i) general illness factors (fatigue, autonomic dysfunction) and (ii) psychological factors (anxiety, depression, somatisation, personality traits) in patients presenting with sinonasal symptoms. DESIGN: The following validated questionnaires were administered to patients: the Sino-Nasal Outcome Test-22 (SNOT-22) to identify symptom burden, Composite Autonomic Symptom Score-31 (COMPASS-31) measuring autonomic function, Chalder fatigue questionnaire, Patient Health Questionnaire-15 (PHQ-15) addressing somatisation symptoms, Hospital Anxiety and Depression Scale (HADS), and the International Personality Item Pool-50 (IPIP-50)...
November 18, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29150980/adjuvant-radiotherapy-in-sinonasal-mucosal-melanoma-a-retrospective-analysis
#15
Coosje J I Caspers, Emilie A C Dronkers, Dominiek Monserez, Marjan H Wieringa, Robert J Baatenburg de Jong, Jose A U Hardillo
OBJECTIVES: Evaluation of outcome after curative treatment for sinonasal mucosal melanoma, focused on the effect of adjuvant radiotherapy on recurrence and survival. DESIGN: Retrospective chart analysis. SETTING: Tertiary referral hospital. PARTICIPANTS: 51 patients with primary sinonasal mucosal melanoma who underwent surgical resection with curative intention between 1980 and 2016 at Erasmus Medical Center Rotterdam...
November 18, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29150977/the-cellular-composition-and-glia-neuron-ratio-in-the-spinal-cord-of-a-human-and-a-non-human-primate-comparison-with-other-species-and-brain-regions
#16
Jami Bahney, Christopher S von Bartheld
The cellular composition of brains shows largely conserved, gradual evolutionary trends between species. In the primate spinal cord, however, the glia-neuron ratio was reported to be greatly increased over that in the rodent spinal cord. Here, we re-examined the cellular composition of the spinal cord of one human and one non-human primate species by employing two different counting methods, the isotropic fractionator and stereology. We also determined whether segmental differences in cellular composition, possibly reflecting increased fine motor control of the upper extremities, may explain a sharply increased glia-neuron ratio in primates...
November 18, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29150900/genetic-overlap-between-epilepsy-and-schizophrenia-evidence-from-cross-phenotype-analysis-in-hong-kong-chinese-population
#17
Hongsheng Gui, Miaoxin Li, Pak C Sham, Larry Baum, Patrick Kwan, Stacey S Cherny
Epilepsy and schizophrenia are common and typical neurological or mental illness respectively, and sometimes they comorbid in the same patients, however the underlying genetic relationship between the two brain diseases is still not fully understood. To investigate the possible genetic contribution to their comorbidity, we performed polygenic risk score (PRS) analyses and genetic correlation estimation so as to identify the overall genetic overlap between the two diseases. The global schizophrenia PRS is strongly associated with schizophrenia phenotype in Hong Kong population (odds ratio = 1...
November 17, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/29150886/ruxolitinib-associated-infections-a-systematic-review-and-meta-analysis
#18
Federico Lussana, Marco Cattaneo, Alessandro Rambaldi, Alessandro Squizzato
Ruxolitinib exerts immunosuppressive activity that may increase the risk of infectious complications. We performed a systematic review of the literature with the aim of estimating the risk of infections in patients treated with ruxolitinib. Studies were identified by electronic search of MEDLINE and EMBASE database. Differences in the incidence of infectious events between ruxolitinib and comparison groups were expressed as odds ratios (ORs) and 95% confidence intervals (95% CI). Five phase III randomized clinical trials (RCTs) (3 phase IIIa with their extended phase and 2 phase IIIb), 6 phase IV studies and 28 case reports were included in this systematic review...
November 18, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29150875/treatment-of-acquired-thrombotic-thrombocytopenic-purpura-in-the-u-s-remains-heterogeneous-current-and-future-points-of-clinical-equipoise
#19
Marshall A Mazepa, Jay S Raval, Mark E Brecher, Yara A Park
BACKGROUND: The purpose of this survey was to describe current practices in the U.S. for treatment of acquired Thrombotic Thrombocytopenic Purpura (TTP), compare these with prior U.S. and current Canadian practices, and identify areas of clinical equipoise. STUDY DESIGN AND METHODS: A research team member administered the survey by telephone. Questions included an estimate of the annual patient volume treated, apheresis and medical therapy practices for acquired TTP...
November 18, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/29150866/the-minimum-test-battery-to-screen-for-binocular-vision-anomalies-report-3-of-the-band-study
#20
Jameel Rizwana Hussaindeen, Archayeeta Rakshit, Neeraj Kumar Singh, Meenakshi Swaminathan, Ronnie George, Suman Kapur, Mitchell Scheiman, Krishna Kumar Ramani
PURPOSE: This study aims to report the minimum test battery needed to screen non-strabismic binocular vision anomalies (NSBVAs) in a community set-up. When large numbers are to be screened we aim to identify the most useful test battery when there is no opportunity for a more comprehensive and time-consuming clinical examination. METHODS: The prevalence estimates and normative data for binocular vision parameters were estimated from the Binocular Vision Anomalies and Normative Data (BAND) study, following which cut-off estimates and receiver operating characteristic curves to identify the minimum test battery have been plotted...
November 18, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
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