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https://www.readbyqxmd.com/read/29793213/end-stage-renal-disease-models-in-the-americas-optimizing-resources-to-achieve-better-health-outcomes
#1
Ramiro E Gilardino, Eduardo González-Pier, Claudia Brabata
End-stage renal disease, the last and most severe stage of chronic kidney disease, represents a major and rising concern for countries in Latin America, driven in large part by aging populations and the near-epidemic rises in diabetes, obesity, and hypertension. This places a great clinical, economic, and social burden on the region's health systems. During the ISPOR 6th Latin America Conference held in Sao Paulo, Brazil, in September 2017, an educational forum debated on value-based decision making in the treatment of end-stage renal disease in Latin America...
May 21, 2018: Value in Health Regional Issues
https://www.readbyqxmd.com/read/29793201/positive-effects-of-an-oil-adjuvant-on-efficacy-dissipation-and-safety-of-pyrimethanil-and-boscalid-on-greenhouse-strawberry
#2
Zhiwei Wang, Xinquan Wang, Tao Cang, Xueping Zhao, Shenggan Wu, Peipei Qi, Xiangyun Wang, Xiahong Xu, Qiang Wang
Methylated vegetable oil adjuvants can enhance initial deposition and decrease the required dosages of pesticides sprayed on plants, so an oil adjuvant mixed with fungicides were used to prevent and control gray mold in greenhouse strawberry. As the persistence and dietary exposure risks from fungicides on strawberries after using adjuvants have not been assessed, the efficacy, dissipation and safety of pyrimethanil and boscalid in the presence and absence of a methylated vegetable oil adjuvant were evaluated...
May 21, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29793131/tlr2-4-ligand-amplified-liver-inflammation-promotes-initiation-of-autoimmune-hepatitis-due-to-sustained-il-6-il-12-il-4-il-25-expression
#3
Gang Chi, Xin-Xia Feng, Ying-Xia Ru, Ting Xiong, Yuan Gao, Han Wang, Zhen-Long Luo, Ran Mo, Fang Guo, Yong-Pei He, Gui-Mei Zhang, De-An Tian, Zuo-Hua Feng
Autoimmune hepatitis (AIH), a serious autoimmune liver disease, can be a lifelong illness, leading to fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). So far the mechanisms for disease initiation are largely unknown. Here we report that the amplified non-AIH liver inflammation could promote the initiation of AIH due to the sustained increase of IL-6, IL-12, IL-4, and IL-25 in the liver. The liver injury resulting from virus (adenovirus) or chemicals (CCl4 ) could induce an amplified (stronger/long-lasting) hepatic inflammation by releasing the ligands for TLR2/TLR4...
May 21, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29793050/small-scale-managed-marine-areas-over-time-developments-and-challenges-in-a-local-fijian-reef-fishery
#4
Elodie Fache, Annette Breckwoldt
This paper investigates the Locally Managed Marine Area (LMMA) approach through looking at developments and challenges of community-based marine resource management over time, with a particular focus on Fiji in the South Pacific region. A diachronic perspective, based on two multi-method empirical studies, is used to exemplify the social complexities of the implementation of this LMMA approach in a specific island setting. This perspective connects local stakeholders' establishment and management of a LMMA covering their entire customary fishing rights area (iqoliqoli) with the national context articulated around the Fiji Locally Managed Marine Area (FLMMA) network, as well as with regional networking and international conservation dynamics...
May 21, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29792963/extraction-characterization-and-biological-activity-of-sulfated-polysaccharides-from-seaweed-dictyopteris-divaricata
#5
Yinxin Cui, Xin Liu, Shufang Li, Limin Hao, Juan Du, DaHai Gao, Qiaozhen Kang, Jike Lu
Dictyopteris divaricata is a kind of important brown algae with many biological activities. It has been receiving more and more attention, yet there are rarely studies done on its polysaccharides. In this study, the optimum extraction and biological activity of seaweed polysaccharides from Dictyopteris divaricata (DDSP) were investigated. Response surface methodology (RSM), based on a three-level, three-variable Box-Behnken design (BBD), was employed to obtain the best possible combinations for maximum polysaccharides yield...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792956/development-of-photo-modified-starch-kefiran-tio-2-bio-nanocomposite-as-an-environmentally-friendly-food-packaging-material
#6
Vahid Goudarzi, Iman Shahabi-Ghahfarrokhi
This paper reports on an experiment in which starch/kefiran/TiO2 (SKT)-based bio-nanocomposite films were developed and modified by photo-chemical reaction. In so doing, film-forming solutions were exposed to ultraviolet A (UV-A) for different times (1, 6, and 12 h). The obtained results indicated that increasing UV-A exposure time brought about an increase (≈14.9%) in the tensile strength of bio-nanocomposites. However, elongation at break and Young's modulus of irradiated film specimen decreased (≈32%, ≈12%, respectively) by increasing UV-A exposure time, and the moisture-sensitive parameters of specimen decreased using UV-A irradiation...
May 21, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29792911/prolonged-drug-release-properties-for-orodispersible-films-by-combining-hot-melt-extrusion-and-solvent-casting-methods
#7
Isabell Speer, Maren Preis, Jörg Breitkreutz
Orodispersible films (ODFs) are an advantageous dosage form to accomplish patient convenience and compliance in oral drug delivery. They provide a number of special application features, such as the ease of administration without water and suitability for patients with swallowing problems. However, this promising dosage form has been limited to immediate release formulations so far. The aim of this study was to develop a thin film produced by solvent casting, which is rapidly disintegrating when placed in the mouth, but which provides prolonged drug release characteristics by incorporating drug-loaded matrix particles (MPs)...
May 21, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29792888/oral-vitamin-a-coupled-valsartan-nanomedicine-high-hepatic-stellate-cell-receptors-accessibility-and-prolonged-enterohepatic-residence
#8
Nesrine S El-Mezayen, Wessam F El-Hadidy, Wessam M El-Refaie, Thanaa I Shalaby, Mahmoud M Khattab, Aiman S El-Khatib
So far, liver fibrosis still has no clinically-approved treatment. The loss of stored vitamin-A (VA ) in hepatic stellate cells (HSCs), the main regulators to hepatic fibrosis, can be applied as a mechanism for their targeting. Valsartan is a good candidate for this approach; it is a marketed oral-therapy with inverse- and partial-agonistic activity to the over-expressed angiotensin-II type1 receptor (AT1R) and depleted nuclear peroxisome proliferator-activated receptor-gamma (PPAR-γ), respectively, in activated HSCs...
May 21, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29792887/auditory-priming-improves-neural-synchronization-in-auditory-motor-entrainment
#9
Jewel E Crasta, Michael H Thaut, Charles W Anderson, Patricia L Davies, William J Gavin
Neurophysiological research has shown that auditory and motor systems interact during movement to rhythmic auditory stimuli through a process called entrainment. This study explores the neural oscillations underlying auditory-motor entrainment using electroencephalography. Forty young adults were randomly assigned to one of two control conditions, an auditory-only condition or a motor-only condition, prior to a rhythmic auditory-motor synchronization condition (referred to as combined condition). Participants assigned to the auditory-only condition (auditory-first group) listened to 400 trials of auditory stimuli presented every 800ms, while those in the motor-only condition (motor-first group) were asked to tap rhythmically every 800ms without any external stimuli...
May 21, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29792828/recurrence-of-pericardial-mesothelioma-affecting-the-myocardium-after-pericardial-resection
#10
María Rodríguez, Hari R Mallidi, Annacarolina da Silva, Raphael Bueno
Primary pericardial mesothelioma represents less than 1% of all malignant mesotheliomas1 . These tumors are very rare, difficult to diagnose and with poor response to stablished treatments. Common clinical presentations include constrictive symptoms, cardiac tamponade and cardiac failure. Surgery can be curative in early stages and localized tumors and pericardiectomy and chemotherapy are often used as palliative approaches. Herein we present a case of a 54 years old female who has so far survived 4 years after a primary resection of a pericardial mesothelioma, and was referred with myocardial and aorto- pulmonary window recurrences for further treatment...
May 21, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29792799/in-vivo-evaluation-of-reduction-responsive-alendronate-hyaluronan-curcumin-polymer-drug-conjugates-for-targeted-therapy-of-bone-metastatic-breast-cancer
#11
Kaili Wang, Chunjing Guo, Xue Dong, Yueming Yu, Bingjie Wang, Wanhui Liu, Daquan Chen
Many cancers such as human breast cancer and lung cancer easily metastasize to bones, leading to the formation of secondary tumors in advanced stage. Based on the CD44-targeted effect of oHA and bone-targeted effect of ALN, we prepared a reduction-responsive, CD44 receptor-targeting and bone-targeting nano-micelle, called CUR-loaded ALN-oHA-S-S-CUR micelles. In this study, we aimed to evaluate the antitumor activity and bone-targeting ability of CUR-loaded ALN-oHA-S-S-CUR micelles. The in vivo experiment results showed that a larger number of micelles was gathered in the bone metastatic tumor tissue and reduced the bone destruction...
May 24, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29792796/nano-lc-nsi-ms-refines-lipidomics-by-enhancing-lipid-coverage-measurement-sensitivity-and-linear-dynamic-range
#12
Niklas Danne-Rasche, Cristina Coman, Robert Ahrends
Nano-liquid chromatography (nLC) - nano-electrospray (NSI) is one of the cornerstones of mass spectrometry based bioanalytics. Nevertheless, the application of nLC is not prevailing lipid analyses so far. In this study, we established a reproducible nLC separation for global lipidomics and describe the merits of using such a miniaturized system for lipid analyses. In order to enable comprehensive lipid analyses that is not restricted to specific lipid classes, we particularly optimized sample preparation conditions and reversed phase separation parameters...
May 24, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29792762/genetic-profiling-in-acute-myeloid-leukemia-a-path-to-predicting-treatment-outcome
#13
Giuseppe Visani, Federica Loscocco, Alessandro Isidori, Pier Paolo Piccaluga
Despite substantial progresses in acute myeloid leukemia (AML) diagnosis and treatment, at least half of patient will eventually die for the disease. In the last decades, the use of genetic and genomic approaches allowed the identification of patients with higher risk of recurrence after and/or resistance to CHT. However, though many novel drugs have been proposed and tested, only little clinical improvements have been made concerning the treatment of the so called 'high risk' patients. Areas covered: In this article, the authors, based on their own experience and the most updated literature, review the basic knowledge of AML prognostication and treatment prediction developed throughout genetic and genomic profiling, and focus on the use of gene expression profiling as a promising predictive tool...
May 24, 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/29792740/colloid-adenocarcinoma-of-the-lung-ct-and-pet-ct-findings-in-seven-patients
#14
Han Kyul Kim, Joungho Han, Teri J Franks, Kyung Soo Lee, Tae Jung Kim, Joon Young Choi, Jaeil Zo
OBJECTIVE: We aimed to assess CT and 18 F-FDG PET/CT findings of colloid adenocarcinoma of the lung in seven patients. MATERIALS AND METHODS: From 2010 to 2017, seven patients with surgically proven colloid adenocarcinoma of the lung were identified. CT (both enhanced and unenhanced) and PET/CT findings were analyzed, and the imaging features were compared with histopathologic reports. Clinical and demographic features were also analyzed. RESULTS: In all cases except one, tumors showed low attenuation on unenhanced CT scans, ranging in attenuation from -16...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792732/phosphatidylinositol-3-kinase-%C3%AE-and-%C3%AE-isoforms-play-key-roles-in-metastasis-of-prostate-cancer-du145-cells
#15
Zhe Zhang, Jie Liu, Yingying Wang, Xiao Tan, Wennan Zhao, Xiaoxue Xing, Yuling Qiu, Ran Wang, Meihua Jin, Guanwei Fan, Ping Zhang, Yuxu Zhong, Dexin Kong
Metastasis is the main cause of the lethality of prostate cancer. Class I phosphatidylinositol 3-kinases (PI3Ks), which contain 4 isoforms, α, β, δ, and γ, are known to play important roles in cell growth, migration, invasion, and so on. However, the respective role of each PI3K isoform in cancer cell migration and invasion remains unknown. In a study that aimed to elucidate the respective role of the 4 PI3K isoforms, we investigated the change in migratory and invasive ability of DU145 cells after treatment with each PI3K isoform-specific inhibitor...
May 24, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29792718/fixation-of-biomaterial-to-metallic-stent-and-fixation-of-stents-after-circular-endoscopic-dissection-in-the-esophagus-on-an-animal-model
#16
R Dolezel, B Walterová, S Juhas, O Ryska, J Juhásová, Z Vacková, J Krajciova, J Král, J Martínek
INTRODUCTION: Complete circular endoscopic (submucosal) resection (CER) performed using the endoscopic submucosal dissection (ESD) technique is burdened with a high incidence of post-operative strictures in the esophagus. The most effective method of preventing them is not known so far; one of the possible methods is to prevent these strictures directly at the site of their formation by covering the defect with a stent. The aim of the study was to find a way to fix a selected biomaterial to a stent, and subsequently, to fix the stent at the CER site to prevent esophageal strictures in an animal model...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29792716/options-to-improve-the-quality-of-kidney-grafts-from-expanded-criteria-donors-experimental-study
#17
J Molacek, V Opatrný, V Treska, R Matejka, O Hes
INTRODUCTION: There is a worldwide discrepancy between the number of donors and the number of organs needed for transplantation, leading to certain expansion of criteria, resulting in acceptance of donor organs. This means that organs with worse parenchymal qualities may be harvested for transplantation. One possibility, how to ameliorate the quality of these organs, is to change the concept of their preservation during cold ischemia or even after sudden circulatory arrest, prior to the collection of the organ itself...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29792640/-serial-cases-of-troubleshooting-of-neuviz-ct
#18
Jiansheng Zhong
The article describes the specifi c examples of fault maintenance of the Neusoft NeuViz series CT, so as toprovide some maintenance references for coleagues.
September 2017: Zhongguo Yi Liao Qi Xie za Zhi, Chinese Journal of Medical Instrumentation
https://www.readbyqxmd.com/read/29792509/modulation-of-excitability-in-the-temporoparietal-junction-relieves-virtual-reality-sickness
#19
Naoyuki Takeuchi, Takayuki Mori, Yoshimi Suzukamo, Shin-Ichi Izumi
Virtual reality (VR) immersion often provokes subjective discomfort and postural instability, so called VR sickness. The neural mechanism of VR sickness is speculated to be related to visual-vestibular information mismatch and/or postural instability. However, the approaches proposed to relieve VR sickness through modulation of brain activity are poorly understood. Using transcranial direct current stimulation (tDCS), we aimed to investigate whether VR sickness could be relieved by the modulation of cortical excitability in the temporoparietal junction (TPJ), which is known to be involved in processing of both vestibular and visual information...
May 24, 2018: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29792494/fostering-youth-self-efficacy-to-address-transgender-and-racial-diversity-issues-the-role-of-gay-straight-alliances
#20
Eddie S K Chong, V Paul Poteat, Hirokazu Yoshikawa, Jerel P Calzo
Gay-Straight Alliances (GSAs) aspire to empower youth to address multiple systems of oppression, including those affecting transgender and racial/ethnic minority youth, yet there is little indication of factors contributing to youths' self-efficacy to do so. We examined individual and group factors predicting self-efficacy to address transgender and racial issues among 295 youth in 33 high school GSAs. Multilevel results indicated that level of GSA engagement, individual and collective involvement in transgender- and race-specific discussions, and in some cases intergroup friendships were associated with each form of self-efficacy...
May 24, 2018: School Psychology Quarterly
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