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https://www.readbyqxmd.com/read/28803818/a-homozygous-dpm3-mutation-in-a-patient-with-alpha-dystroglycan-related-limb-girdle-muscular-dystrophy
#1
P Y K Van den Bergh, Y Sznajer, V Van Parys, W van Tol, R A Wevers, D J Lefeber, L Xu, M Lek, D G MacArthur, K Johnson, L Phillips, A Töpf, V Straub
Defects of O-linked glycosylation of alpha-dystroglycan cause a wide spectrum of muscular dystrophies ranging from severe congenital muscular dystrophy associated with abnormal brain and eye development to mild limb girdle muscular dystrophy. We report a female patient who developed isolated pelvic girdle muscle weakness and wasting, which became symptomatic at age 42. Exome sequencing uncovered a homozygous c.131T > G (p.Leu44Pro) substitution in DPM3, encoding dolichol-P-mannose (DPM) synthase subunit 3, leading to a 50% reduction of enzymatic activity...
July 17, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28797176/living-with-chronic-headache-a-qualitative-study-exploring-goal-management-in-chronic-headache
#2
Yvette Ciere, Annemieke Visser, Bram Jacobs, Marielle Padberg, John Lebbink, Robbert Sanderman, Joke Fleer
OBJECTIVES: Effective goal management may potentially prevent or reduce disability in chronic pain. The aim of this study was to gain insight into the nature of goal management in the context of chronic headache (CH). METHODS: Interviews with 20 patients were conducted, coded, and analyzed using a combined data-driven and theory-driven approach. The dual process model (DPM) was used as a theoretical framework for this study. RESULTS: Participants used a combination of strategies to regain and maintain a balance between personal goals and resources available for goal pursuit...
August 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28741725/cell-derived-micro-environment-helps-dental-pulp-stem-cells-promote-dental-pulp-regeneration
#3
Xuexin Zhang, Hui Li, Jingjing Sun, Xiangyou Luo, Hefeng Yang, Li Xie, Bo Yang, Weihua Guo, Weidong Tian
OBJECTIVES: The function of the dental pulp is closely connected to the extracellular matrix (ECM) structure, and ECM has received significant attention due to its biological functions for regulating cells. As such, the interaction between the ECM niche and cells is worth exploring for potential clinical uses. MATERIALS AND METHODS: In this study, dental pulp stem cell (DPSC)-derived ECM (DPM) was prepared through cell culture and decellularization to function as the cell niche, and changes in DPSC behaviour and histological analysis of dental pulp tissue regeneration were evaluated following the DPM culture...
July 25, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28740850/the-role-of-dog-population-management-in-rabies-elimination-a-review-of-current-approaches-and-future-opportunities
#4
REVIEW
Louise H Taylor, Ryan M Wallace, Deepashree Balaram, Joann M Lindenmayer, Douglas C Eckery, Beryl Mutonono-Watkiss, Ellie Parravani, Louis H Nel
Free-roaming dogs and rabies transmission are integrally linked across many low-income countries, and large unmanaged dog populations can be daunting to rabies control program planners. Dog population management (DPM) is a multifaceted concept that aims to improve the health and well-being of free-roaming dogs, reduce problems they may cause, and may also aim to reduce dog population size. In theory, DPM can facilitate more effective rabies control. Community engagement focused on promoting responsible dog ownership and better veterinary care could improve the health of individual animals and dog vaccination coverage, thus reducing rabies transmission...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28677718/upper-limit-to-the-ultimate-achievable-emission-wavelength-in-near-ir-emitting-cyclometalated-iridium-complexes
#5
Marta Penconi, Marco Cazzaniga, Sagar Kesarkar, Patrizia R Mussini, Davide Ceresoli, Alberto Bossi
Iridium complexes bearing cyclometalated (C^N) ligands are the current emitters of choice for efficient phosphorescent organic light emitting diodes (OLEDs). Homoleptic iridium complexes Ir(C^N)3 and the analogous heteroleptic ones carrying a β-diketonate ancillary ligand (C^N)2Ir(O^O) often exhibit similar photophysical properties and device performances; the choice among them usually depends both on the yield/ease of the respective synthetic preparations as well as on the device fabrication methods (i.e...
August 9, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28676653/diffraction-phase-microscopy-imaging-and-multi-physics-modeling-of-the-nanoscale-thermal-expansion-of-a-suspended-resistor
#6
Xiaozhen Wang, Tianjian Lu, Xin Yu, Jian-Ming Jin, Lynford L Goddard
We studied the nanoscale thermal expansion of a suspended resistor both theoretically and experimentally and obtained consistent results. In the theoretical analysis, we used a three-dimensional coupled electrical-thermal-mechanical simulation and obtained the temperature and displacement field of the suspended resistor under a direct current (DC) input voltage. In the experiment, we recorded a sequence of images of the axial thermal expansion of the central bridge region of the suspended resistor at a rate of 1...
July 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28640236/a-decision-mixture-model-based-method-for-inshore-ship-detection-using-high-resolution-remote-sensing-images
#7
Fukun Bi, Jing Chen, Yin Zhuang, Mingming Bian, Qingjun Zhang
With the rapid development of optical remote sensing satellites, ship detection and identification based on large-scale remote sensing images has become a significant maritime research topic. Compared with traditional ocean-going vessel detection, inshore ship detection has received increasing attention in harbor dynamic surveillance and maritime management. However, because the harbor environment is complex, gray information and texture features between docked ships and their connected dock regions are indistinguishable, most of the popular detection methods are limited by their calculation efficiency and detection accuracy...
June 22, 2017: Sensors
https://www.readbyqxmd.com/read/28614441/prevalence-and-factors-associated-with-minor-psychiatric-disorders-in-hospital-housekeeping-workers
#8
Cintia da Silva Marconato, Ana Carolina de Souza Magnago, Tânia Solange Bosi de Souza Magnago, Graziele de Lima Dalmolin, Rafaela Andolhe, Juliana Petri Tavares
OBJECTIVE: Investigating the prevalence and factors associated with minor psychiatric disorders (MPDs) in Hospital housekeeping workers. METHOD: A cross-sectional study carried out in 2013 with workers from the cleaning service of a public university hospital in Rio Grande do Sul, Brazil. Data were collected through a form containing sociodemographic, occupational, habits and health variables. The Self-Reporting Questionnaire-20 was used in order to evaluate MPDs...
June 12, 2017: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28609786/gravimetric-measurements-of-filtering-facepiece-respirators-challenged-with-diesel-exhaust
#9
Swathi Satish, Jacob J Swanson, Kai Xiao, Andrew S Viner, David B Kittelson, David Y H Pui
Elevated concentrations of diesel exhaust have been linked to adverse health effects. Filtering facepiece respirators (FFRs) are widely used as a form of respiratory protection against diesel particulate matter (DPM) in occupational settings. Previous results (Penconek A, Drążyk P, Moskal A. (2013) Penetration of diesel exhaust particles through commercially available dust half masks. Ann Occup Hyg; 57: 360-73.) have suggested that common FFRs are less efficient than would be expected for this purpose based on their certification approvals...
June 13, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28511839/the-implication-of-the-osteolysis-threshold-and-interfacial-gaps-on-periprosthetic-osteolysis-in-cementless-total-hip-replacement
#10
Hamidreza Alidousti, Neil W Bressloff
Osteolysis around joint replacements may develop due to migration of wear particles from the joint space into gaps between the interface bone and the implant where they can accumulate in high concentrations to cause tissue damage. Osteolysis may appear in various postoperative times and morphological shapes which can be generalized into linear and focal. However, there are no clear explanations on the causes of such variations. Patients' degree of sensitivity to polyethylene particles (osteolysis thresholds), the local particle concentration and the access route provided by the interface gaps have been described as determining factors...
June 14, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28437870/assessing-the-likelihood-and-magnitude-of-a-population-health-benefit-following-the-market-introduction-of-a-modified-risk-tobacco-product-enhancements-to-the-dynamic-population-modeler-dpm-1
#11
Annette M Bachand, Sandra I Sulsky, Geoffrey M Curtin
Researchers and those responsible for evaluating and implementing policies intended to reduce population harm must assess the potential for both intended and unintended consequences associated with those policies. Such assessments should be based on the combined dimensions of magnitude, and thus likelihood, of shifts in exposure patterns needed to produce a population benefit or harm, and magnitude of the expected population benefit or harm. In response to this assessment need, we provide a conceptual description of the dynamic population modeler, DPM(+1), as well as illustrative analyses that estimate the effects on all-cause mortality, life expectancy, and quality of life-adjusted life expectancy if exposure patterns in the population shift from a higher risk product (e...
April 24, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28437852/a-diagnostic-microdosing-approach-to-investigate-platinum-sensitivity-in-non-small-cell-lung-cancer
#12
Si-Si Wang, Maike Zimmermann, Hongyong Zhang, Tzu-Yin Lin, Michael Malfatti, Kurt Haack, Kenneth W Turteltaub, George D Cimino, Ralph de Vere White, Chong-Xian Pan, Paul T Henderson
The platinum-based drugs cisplatin, carboplatin and oxaliplatin are often used for chemotherapy, but drug resistance is common. The prediction of resistance to these drugs via genomics is a challenging problem since hundreds of genes are involved. A possible alternative is to use mass spectrometry to determine the propensity for cells to form drug-DNA adducts-the pharmacodynamic drug-target complex for this class of drugs. The feasibility of predictive diagnostic microdosing was assessed in non-small cell lung cancer (NSCLC) cell culture and a pilot clinical trial...
August 1, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28425920/development-of-a-fast-monte-carlo-dose-calculation-system-for-online-adaptive-radiation-therapy-quality-assurance
#13
Yuhe Wang, Thomas R Mazur, Justin C Park, Deshan Yang, Sasa Mutic, H Harold Li
No abstract text is available yet for this article.
April 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28415388/targeted-delivery-of-docetaxel-via-pi-pi-stacking-stabilized-dendritic-polymeric-micelles-for-enhanced-therapy-of-liver-cancer
#14
Xiaolong Tang, Shuping Zhou, Xinrong Tao, Jian Wang, Fangyu Wang, Yong Liang
Delivery of taxane-based chemotherapeutics including Docetaxel (DTX) by conventional polymeric micelles still suffers from insufficient stability and rapid premature release during the circulation, which limits their targeting and anticancer efficiency. To conquer these challenges, we developed a novel DTX-loaded Pi-Pi stacking-stabilized dendritic polymeric micelle for targeted therapy of liver cancer. This dendritic polymeric micelle, referred to DPM-DTX-cRGD, was self-assembled from DTX and biodegradable dendritic block copolymers Poly(amidoamine)-poly(γ-benzyl-l-Glutamate)-b-polyethylene glycol-cRGD (PAM-PBLG-b-PEG-cRGD)...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28409073/facial-paralysis-and-hearing-loss-a-rare-manifestation-of-prostate-cancer-metastases
#15
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Muhammad R Raza, Nikhil Nalluri, Frank Forte
Dural prostate metastases (DPM) are a rare manifestation of metastatic prostate cancer seen in approximately one to six percent of cases. Presenting symptoms may include signs of elevated intracranial pressure, headache, altered mental status, or cranial nerve palsies. Hearing loss, sensory changes, dysarthria, and dysphagia are rare symptoms in DPM that were present in our patient. We present a case of a 58-year-old male with a known diagnosis of adenocarcinoma of the prostate presenting with symptoms of acute exacerbation of chronic obstructive pulmonary disease (COPD), sub-acute right-sided hearing loss, and right-sided facial paralysis...
March 3, 2017: Curēus
https://www.readbyqxmd.com/read/28400239/efficient-synthesis-of-a-multi-substituted-diphenylmethane-skeleton-as-a-steroid-mimetic
#16
Takashi Misawa, Katsuya Tanaka, Yosuke Demizu, Masaaki Kurihara
Steroids are important components of cell membranes and are involved in several physiological functions. A diphenylmethane (DPM) skeleton has recently been suggested to act as a mimetic of the steroid skeleton. However, difficulties are associated with efficiently introducing different substituents between two phenyl rings of the DPM skeleton, and, thus, further structural development based on the DPM skeleton has been limited. We herein developed an efficient synthetic method for introducing different substituents into two phenyl rings of the DPM skeleton...
March 24, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28400188/devascularized-parenchymal-mass-associated-with-partial-nephrectomy-predictive-factors-and-impact-on-functional-recovery
#17
Wen Dong, Jitao Wu, Chalairat Suk-Ouichai, Elvis Caraballo Antonio, Erick Remer, Jianbo Li, Joseph Zabell, Sudhir Isharwal, Steven C Campbell
PURPOSE: Parenchymal mass loss is the predominant factor associated with functional outcomes after partial nephrectomy. It is primarily due to an excised and/or a devascularized parenchymal mass. We evaluated the importance of excised and devascularized parenchymal masses relative to functional recovery after partial nephrectomy. MATERIALS AND METHODS: In 168 patients who underwent partial nephrectomy the necessary studies were done to determine excised and devascularized parenchymal masses, and evaluate parenchymal mass changes and functional loss of the operated kidney...
April 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28381304/evaluation-of-biosecurity-measures-to-prevent-indirect-transmission-of-porcine-epidemic-diarrhea-virus
#18
Yonghyan Kim, My Yang, Sagar M Goyal, Maxim C-J Cheeran, Montserrat Torremorell
BACKGROUND: The effectiveness of biosecurity methods to mitigate the transmission of porcine epidemic diarrhea virus (PEDV) via farm personnel or contaminated fomites is poorly understood. This study was undertaken to evaluate the effectiveness of biosecurity procedures directed at minimizing transmission via personnel following different biosecurity protocols using a controlled experimental setting. RESULTS: PEDV RNA was detected from rectal swabs of experimentally infected (INF) and sentinel pigs by real-time reverse transcription polymerase chain reaction (rRT-PCR)...
April 5, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28346827/effects-of-cerium-oxide-and-ferrocene-nanoparticles-addition-as-fuel-borne-catalysts-on-diesel-engine-particulate-emissions-environmental-and-health-implications
#19
Zhi-Hui Zhang, Rajasekhar Balasubramanian
This study systematically examined the potential impacts of doping CeO2 and Fe(C5H5)2 nanoparticles as fuel-borne catalysts (FBCs) to ultralow sulfur diesel (ULSD) fuel on the physical, chemical and toxicological characteristics of diesel particulate matter (DPM). The FBCs-doped fuels are effective in promoting soot oxidation and reducing the DPM mass emissions, but lead to a significant increase in the total particle counts due to the formation of self-nucleated metallic nanoparticles. Compared to undoped ULSD, the FBCs-doped fuels result in higher concentrations of particle-phase polycyclic aromatic hydrocarbons (PAHs) and n-alkanes, higher fractions of organic carbon (OC) and water-soluble organic carbon (WSOC) in particles, show slight alterations in soot nanostructure, reduce soot ignition temperature and activation energy...
April 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28258928/inhaled-dry-powder-mannitol-in-children-with-cystic-fibrosis-a-randomised-efficacy-and-safety-trial
#20
K De Boeck, E Haarman, J Hull, L C Lands, A Moeller, A Munck, J Riethmüller, H Tiddens, S Volpi, J Leadbetter, B Charlton, A Malfroot
INTRODUCTION: Inhaled mannitol has beneficial effects on lung function, mucociliary clearance, quality of life and sputum properties. This trial examined the efficacy of inhaled mannitol in children with cystic fibrosis (CF). METHODS: The efficacy of inhaled mannitol in children with CF aged 6-17years was assessed in a phase 2, randomised, placebo-controlled crossover study. Subjects were randomly assigned to mannitol 400mg every 12h or matching placebo for 8weeks, followed by an 8week washout and an 8week period with the alternate treatment...
May 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
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