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https://www.readbyqxmd.com/read/28098843/perm-hypothesis-the-fundamental-machinery-able-to-elucidate-the-role-of-xenobiotics-and-hormesis-in-cell-survival-and-homeostasis
#1
REVIEW
Salvatore Chirumbolo, Geir Bjørklund
In this article the Proteasome, Endoplasmic Reticulum and Mitochondria (PERM) hypothesis is discussed. The complex machinery made by three homeostatic mechanisms involving the proteasome (P), endoplasmic reticulum (ER) and mitochondria (M) is addressed in order to elucidate the beneficial role of many xenobiotics, either trace metals or phytochemicals, which are spread in the human environment and in dietary habits, exerting their actions on the mechanisms underlying cell survival (apoptosis, cell cycle regulation, DNA repair and turnover, autophagy) and stress response...
January 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098841/compressed-sensing-techniques-applied-to-ultrasonic-imaging-of-cargo-containers
#2
Yuri Álvarez López, José Ángel Martínez Lorenzo
One of the key issues in the fight against the smuggling of goods has been the development of scanners for cargo inspection. X-ray-based radiographic system scanners are the most developed sensing modality. However, they are costly and use bulky sources that emit hazardous, ionizing radiation. Aiming to improve the probability of threat detection, an ultrasonic-based technique, capable of detecting the footprint of metallic containers or compartments concealed within the metallic structure of the inspected cargo, has been proposed...
January 15, 2017: Sensors
https://www.readbyqxmd.com/read/28098788/evaluation-of-potential-average-daily-doses-adds-of-pm2-5-for-homemakers-conducting-pan-frying-inside-ordinary-homes-under-four-ventilation-conditions
#3
Seonyeop Lee, Sol Yu, Sungroul Kim
Several studies reported that commercial barbecue restaurants likely contribute to the indoor emission of particulate matters with a diameter of 2.5 micrometers or less (PM2.5) while pan-frying meat. However, there is inadequate knowledge of exposure level to indoor PM2.5 in homes and the contribution of a typical indoor pan-frying event. We measured the indoor PM2.5 concentration and, using Monte-Carlo simulation, estimated potential average daily dose (ADD) of PM2.5 for homemakers pan-frying a piece of pork inside ordinary homes...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098737/increased-intraocular-pressure-is-a-risk-factor-for-unexplained-visual-loss-during-silicone-oil-endotamponade
#4
Marvin Marti, Richard Walton, Christian Böni, Sandrine A Zweifel, Marc Stahel, Daniel Barthelmes
PURPOSE: To identify the incidence rate and risk factors for unexplained visual loss associated with silicone oil endotamponade used during primary repair of macula-sparing rhegmatogenous retinal detachments. METHODS: This retrospective cohort study included patients undergoing pars plana vitrectomy for primary surgical repair of macula-sparing rhegmatogenous retinal detachments in whom silicone oil endotamponade was used. The primary outcome measure was the incidence rate of unexplained visual loss and identification of risk factors associated with vision loss...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098629/right-dose-right-now-customized-drug-dosing-in-the-critically-ill
#5
Jason A Roberts, Anand Kumar, Jeffrey Lipman
Drugs are key weapons that clinicians have to battle against the profound pathologies encountered in critically ill patients. Antibiotics in particular are commonly used and can improve patient outcomes dramatically. Despite this, there are strong opportunities for further reducing the persisting poor outcomes for infected critically ill patients. However, taking these next steps for improving patient care requires a new approach to antibiotic therapy. Giving the right dose is highly likely to increase the probability of clinical cure from infection and suppress the emergence of resistant pathogens...
February 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28098565/bio-engineering-tissue-and-v-a-c-therapy-a-new-method-for-the-treatment-of-extensive-necrotizing-infection-in-the-diabetic-foot
#6
Andrea Armenio, Daniela Anna Cutrignelli, Maria Luisa Nardulli, Giulio Maggio, Giuseppe Memeo, Valerio De Santis, Giuseppe Giudice, Cosmo Maurizio Ressa
AIM: The aim of the study is to compare the standard care for progressive necrotizing infection in diabetic foot with a treatment protocol based on the association between autologous fibroblast grafts and vacuum-assisted closure therapy (V.A.C.). MATERIAL OF STUDY: A retrospective matched Case-Control study was carried out on 20 patients with diabetic foot infection, 10 treated with the standard care and 10 with our new protocol. Inclusion criteria were: acute diabetic foot necrosis (Wagner III and IV), ulcer size (30 to 80 cm2), tendon and bone exposure...
December 6, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28098410/juror-decision-making-in-death-penalty-sentencing-when-presented-with-defendant-s-history-of-child-abuse-or-neglect
#7
Lisa L Bell Holleran, Tyler J Vaughan, Donna M Vandiver
Previous studies have found aggravating, mitigating, and null effects of defendant histories of abuse and neglect on punishment preferences in capital sentencing. Perceiving these defendants as more dangerous, jurors may be more likely to favor the death penalty when such evidence is presented. This is counter to the intuition that abuse or neglect reduces culpability, and therefore mitigates the severity of punishment. We investigated the effect of defendant childhood physical abuse, sexual abuse, or neglect on the probability of a prospective juror preferring the death penalty in an between-subject experimental design...
January 18, 2017: Behavioral Sciences & the Law
https://www.readbyqxmd.com/read/28098288/ag-au-bimetallic-nanoclusters-formed-from-a-homogeneous-gas-phase-a-new-thermodynamic-expression-confirmed-by-molecular-dynamics-simulation
#8
H Akbarzadeh, A N Shamkhali, E Mehrjouei
In this work, two probabilistic and thermodynamic limits for formation of a bimetallic nanocluster from a homogeneous gas phase were obtained in order to investigate the related phenomena using molecular dynamics simulation. Therefore, by application of some simple assumptions from thermodynamics and statistical mechanics, a new expression for composition of the nanocluster was derived which depends only on the initial conditions of the system and one adjustable parameter. This expression can be easily fitted to the results of molecular dynamics and can be used as a measure of the thermodynamic contribution in the cluster formation process...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28098227/adolescents-display-distinctive-tolerance-to-ambiguity-and-to-uncertainty-during-risky-decision-making
#9
Wouter van den Bos, Ralph Hertwig
Although actuarial data indicate that risk-taking behavior peaks in adolescence, laboratory evidence for this developmental spike remains scarce. One possible explanation for this incongruity is that in the real world adolescents often have only vague information about the potential consequences of their behavior and the likelihoods of those consequences, whereas in the lab these are often clearly stated. How do adolescents behave under such more realistic conditions of ambiguity and uncertainty? We asked 105 participants aged from 8 to 22 years to make three types of choices: (1) choices between options whose possible outcomes and probabilities were fully described (choices under risk); (2) choices between options whose possible outcomes were described but whose probability information was incomplete (choices under ambiguity), and (3) choices between unknown options whose possible outcomes and probabilities could be explored (choices under uncertainty)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098135/-outbreak-of-whooping-cough-in-2016-%C3%A3-cija-seville-spain
#10
Miguel Porras-Povedano, Ana Roldán-Garrido, Virginia Santacruz-Hamer
OBJECTIVE: Whooping cough is a global public health problem, is a highly contagious disease, and despite universal vaccination increased incidence is observed. The aim of this study was to describe the investigation of a population outbreak. METHODS: A descriptive study of a population outbreak of whooping cough between February and June 2016 in Ecija (Seville). Case and outbreak definitions was taken of Whooping Cough Monitoring Protocol. Information was collected from Health History, Epidemiological Monitoring System and Laboratory...
January 18, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/28098059/laparoscopic-ileocecal-resection-in-acute-and-chronic-presentations-of-crohn-s-disease-a-single-center-experience
#11
G Cocorullo, R Tutino, N Falco, G Salamone, T Fontana, L Licari, G Gulotta
INTRODUCTION: The terminal ileum is the most involved tract in Crohn's disease. The obstruction in this location is the most frequent complication. Acute or chronic presentations can occur. Surgery finds a role in the management of chronic strictures and in acute clinical presentations with complications not improving with conservative therapy. PATIENTS AND METHODS: We investigate the outcome of patients with obstruction of the ileo-cecal bowel tract laparoscopically managed...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28098017/this-new-year-could-match-2016-for-exciting-nursing-developments
#12
Dame Janet Finch
As this is my first nurse leader column of 2017, I wish everyone a happy new year, although it probably seems a distant memory now.
January 18, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28097956/biohydrogen-production-from-used-diapers-evaluation-of-effect-of-temperature-and-substrate-conditioning
#13
P X Sotelo-Navarro, H M Poggi-Varaldo, S J Turpin-Marion, A Vázquez-Morillas, M Beltrán-Villavicencio, R M Espinosa-Valdemar
This research assessed the viability to use disposable diapers as a substrate for the production of biohydrogen, a valuable clean-energy source. The important content of cellulose of disposable diapers indicates that this waste could be an attractive substrate for biofuel production. Two incubation temperatures (35 °C and 55 °C) and three diaper conditioning methods (whole diapers with faeces, urine, and plastics, WD; diapers without plastic components, with urine and faeces, DWP; diapers with urine but without faeces and plastic, MSD) were tested in batch bioreactors...
January 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28097919/performance-of-methods-for-estimating-the-effect-of-covariates-on-group-membership-probabilities-in-group-based-trajectory-models
#14
Christopher E Davies, Lynne C Giles, Gary Fv Glonek
One purpose of a longitudinal study is to gain insight of how characteristics at earlier points in time can impact on subsequent outcomes. Typically, the outcome variable varies over time and the data for each individual can be used to form a discrete path of measurements, that is a trajectory. Group-based trajectory modelling methods seek to identify subgroups of individuals within a population with trajectories that are more similar to each other than to trajectories in distinct groups. An approach to modelling the influence of covariates measured at earlier time points in the group-based setting is to consider models wherein these covariates affect the group membership probabilities...
January 1, 2017: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/28097852/laryngotracheal-edema-due-to-thermal-injury-a-complication-after-thyroidectomy-in-children
#15
Pinar Kendigelen, Ayse C Tutuncu, Gulruh Ashyralyyeva, Senol Emreb, Seval Urkmez, Tughan Utkua, Guner Kaya
Postoperative respiratory insufficiency is a serious complication of total thyroidectomies which can be multifactorial, especially in children. We report two siblings who had undergone thyroidectomy with subsequent respiratory distress. Electrothermal bipolar and harmonic scalpel were used during thyroid dissections. Both patients had early postoperative respiratory problems. The older one suffered from mild respiratory distress for 24 hours and then he spontaneously recovered. The younger one was extubated but then she had serious stridor accompanied with abdominal and intercostal retractions...
February 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097843/colonization-and-infection-in-the-newborn-infant-does-chlorhexidine-play-a-role-in-infection-prevention
#16
Lizeth Ortegón, Marcela Puentes-Herrera, Ivohne F Corrales, Jorge A Cortés
Healthcare-associated infections are a major problem in newborn infants, considering their high morbidity, mortality, and long-term sequelae. In preterm infants, it has been shown that skin and gastrointestinal tract colonization undergoes variations compared to healthy term infants, and that preterm infants are more exposed to nosocomial microorganisms given their higher probability of being admitted to the neonatal intensive care unit where they are cared for. This document reviews normal colonization, the changes observed during hospitalization, prematurity, and the potential role of chlorhexidine in the prevention of resistant microorganism transmission, as well as its side effects in newborn infants admitted to the neonatal intensive care unit...
February 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097745/immature-core-protein-of-hepatitis-c-virus-induces-an-unfolded-protein-response-through-inhibition-of-erad-l-in-a-yeast-model-system
#17
Shota Takahashi, Naoko Sato, Junichi Kikuchi, Hideaki Kakinuma, Jun Okawa, Yukiko Masuyama, Singo Iwasa, Hayato Irokawa, Gi-Wook Hwang, Akira Naganuma, Michinori Kohara, Shusuke Kuge
The structural protein Core of hepatitis C virus (HCV), a cytosolic protein, induces endoplasmic reticulum (ER) stress and unfolded protein response (UPR) in hepatocytes, and is responsible for the pathogenesis of persistent HCV infection. Using yeast as a model system, we evaluated mechanisms underlying Core-induced interference of ER homeostasis and UPR, and found that UPR is induced by the immature Core (aa 1-191, Core191) but not by the mature Core (aa 1-177, Core177). Interestingly, Core191 inhibits both ERAD-L, a degradation system responsible for misfolded/unfolded proteins in the ER lumen, and ERAD-M, a degradation system responsible for proteins carrying a misfolded/unfolded region in the ER membrane...
January 18, 2017: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/28097642/adrenal-cyst-with-both-m%C3%A3-llerian-and-mesothelial-differentiation-a-clinicopathological-and-immunohistochemical-study-with-implications-for-histogenesis
#18
Łukasz Koperski, Benedykt Szczepankiewicz, Paweł Pihowicz, Łukasz Fus, Ewa Wolińska, Barbara Górnicka
True epithelial-lined cysts are rare forms of adrenal cystic lesions, the pathogenesis of which is still not fully understood. In this report we present a case of an adrenal cyst diagnosed incidentally on imaging in a 31-year-old, previously healthy, obese woman. Due to non-specific hormonal disorders and enlargement of the lesion, a right-sided laparoscopic adrenalectomy was performed. The cyst was lined predominantly by ciliated cuboidal-to-columnar, Müllerian-type epithelium, and focally by flat-to-cuboidal, mesothelium-like lining...
January 18, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28097638/regional-differences-in-the-prescription-of-biologics-for-psoriasis-in-sweden-a-register-based-study-of-4168-patients
#19
Paul S Calara, Rikard Althin, Katarina Steen Carlsson, Marcus Schmitt-Egenolf
BACKGROUND: Observational studies suggest an inequitable prescription of biologics in psoriasis care, which may be attributed to geographical differences in treatment access. Sweden regularly ranks high in international comparisons of equitable healthcare, and is, in connection with established national registries, an ideal country to investigate potential inequitable access. OBJECTIVE: The aim was to determine whether the opportunity for patients to receive biologics depends on where they receive care...
January 17, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28097602/dietary-supplementation-of-chromium-can-alleviate-negative-impacts-of-heat-stress-on-performance-carcass-yield-and-some-blood-hematology-and-chemistry-indices-of-growing-japanese-quail
#20
Mohamed Soliman El-Kholy, Mohamed Mohamed El-Hindawy, Mahmoud Alagawany, Mohamed Ezzat Abd El-Hack, Sabry Abd El-Gawad Abd El-Halim El-Sayed
The main objective of this work was to investigate the impact of dietary chromium supplementation on growth indices, carcass yield, and some hematological and biochemical blood parameters of growing Japanese quails subjected to heat stress. A total of 360 unsexed 2-week-old Japanese quail chicks were used in a 2 × 3 factorial arrangement that had two ambient temperatures (23 ± 2 and 33 ± 2 °C) and three dietary chromium (0.00, 500, and 1000 μg Cr/kg diet as chromium picolinate). For induction of heat stress, the room temperature was set at 33 ± 2 °C from 2 to 6 weeks of age...
January 17, 2017: Biological Trace Element Research
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