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https://www.readbyqxmd.com/read/28916119/safety-and-efficacy-of-glycerol-phenylbutyrate-for-management-of-urea-cycle-disorders-in-patients-aged-2months-to-2years
#1
Susan A Berry, Nicola Longo, George A Diaz, Shawn E McCandless, Wendy E Smith, Cary O Harding, Roberto Zori, Can Ficicioglu, Uta Lichter-Konecki, Beth Robinson, Jerry Vockley
INTRODUCTION: Glycerol phenylbutyrate (GPB) is approved in the US for the management of patients 2months of age and older with urea cycle disorders (UCDs) that cannot be managed with protein restriction and/or amino acid supplementation alone. Limited data exist on the use of nitrogen conjugation agents in very young patients. METHODS: Seventeen patients (15 previously on other nitrogen scavengers) with all types of UCDs aged 2months to 2years were switched to, or started, GPB...
September 8, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28902474/electrospun-nanofibrous-meshes-cultured-with-wharton-s-jelly-stem-cell-an-alternative-for-cartilage-regeneration-without-the-need-of-growth-factors
#2
Marta Alves da Silva, Albino Martins, Ana R Costa-Pinto, Nélson Monteiro, Susana Faria, Rui L Reis, Nuno M Neves
Many efforts are being directed worldwide to the treatment of OA-focal lesions. The majority of those efforts comprise either the refinement of surgical techniques or combinations of biomaterials with various autologous cells. Herein, we tested electrospun polycaprolactone (PCL) nanofibrous meshes for cartilage tissue engineering. For that, articular chondrocytes (hACs) isolated from human osteoarthritic joints and Wharton's Jelly Stem Cells (hWJSCs) were cultured on electrospun nanofiber meshes, without adding external growth factors...
September 13, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28900709/pretransplant-intra-arterial-liver-directed-therapy-does-not-increase-the-risk-of-hepatic-arterial-complications-in-liver-transplantation-a-single-center-10-year-experience
#3
Joseph R Kallini, Ahmed Gabr, Rehan Ali, Nadine Abouchaleh, Ahsun Riaz, Talia Baker, Laura Kulik, Juan Caicedo, Riad Salem, Robert J Lewandowski
PURPOSE: To investigate the association between pretransplant intra-arterial liver-directed therapy (IAT) for hepatocellular carcinoma (HCC) and hepatic arterial complications (HAC) in orthotopic liver transplantation (OLT) [namely hepatic artery thrombosis (HAT) and/or the need for hepatic arterial conduit]. METHODS: A total of 175 HCC patients (mean age: 60 years) underwent IAT with either transarterial chemoembolization or yttrium-90 (90Y) transarterial radioembolization prior to OLT between 2003 and 2013...
September 12, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28892708/combustion-characteristics-and-retention-emission-of-selenium-during-co-firing-of-torrefied-biomass-and-its-blends-with-high-ash-coal
#4
Habib Ullah, Guijian Liu, Balal Yousaf, Muhammad Ubaid Ali, Qumber Abbas, Chuncai Zhou
The combustion characteristics, kinetic analysis and selenium retention-emission behavior during co-combustion of high ash coal (HAC) with pine wood (PW) biomass and torrefied pine wood (TPW) were investigated through a combination of thermogravimetric analysis (TGA) and laboratory-based circulating fluidized bed combustion experiment. Improved ignition behavior and thermal reactivity of HAC were observed through the addition of a suitable proportion of biomass and torrefied. During combustion of blends, higher values of relative enrichment factors in fly ash revealed the maximum content of condensing volatile selenium on fly ash particles, and depleted level in bottom ash...
August 24, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28881051/heli-aza-cene-a-helical-molecular-tweezer-with-tunable-intra-and-inter-molecular-charge-transfer
#5
Aasheesh Srivastava, Rajesh Kumar, Shrivats Semwal, Joyanta Choudhury
Non-planar fluorophores offer unique avenues of intra- and inter-molecular energy transfer not be available in their planar counterparts. We have rationally designed a molecular tweezer based on the pyridine-2,6-dicarboxamide framework having two structurally similar arms with extended -surface. We have termed this molecular tweezer as Heli(aza)cene (HAC) due to its spontaneous adoption of helical conformation stabilized by the amide and imine moieties present in it. In the helical conformation, the two arms of HAC are twisted unequally...
September 7, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28875425/initiating-human-articular-chondrocyte-re-differentiation-in-a-3d-system-after-2d-expansion
#6
Abhijith K Kudva, Frank P Luyten, Jennifer Patterson
Cartilage damage affects a large population via acute and chronic injury and disease. Since native cartilage does not self-renew, cartilage tissue engineering has gained traction as a potential treatment. However, a limiting factor is that the primary cell type in cartilage, the articular chondrocyte, tends to de-differentiate when grown on 2D surfaces for in vitro expansion. Thus, 3D systems are being developed and used to counter this loss of chondrogenic capabilities. We hypothesize that a 3D matrix that can be remodeled may be more supportive of the chondrogenic phenotype of encapsulated articular chondrocytes than a 2D surface and may allow for the re-differentiation of chondrocytes after 2D expansion...
September 5, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28865186/hyaluronic-acid-hydroxyapatite-nanocomposite-hydrogels-for-enhanced-biophysical-and-biological-performance-in-a-dermal-matrix
#7
Seol-Ha Jeong, Yingfang Fan, Kwang-Hee Cheon, Jaeuk Baek, Sukwha Kim, Hyoun-Ee Kim
A hyaluronic acid (HAc) - hydroxyapatite (HAp) nanocomposite (HAc-nanoHAp) hydrogel was fabricated through an in situ precipitation process for mechanical and biological enhancement as a soft tissue augmentation product. In this study, these composite hydrogel fillers were analyzed from three different perspectives and compared with pure HAc hydrogel for soft tissue augmentation application: 1) rheological behaviors, 2) in vivo lateral diffusion under mouse skin, and 3) wrinkle improvement in a photo-aged mouse model...
September 2, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28838299/peculiarities-of-feline-hyperadrenocorticism-update-on-diagnosis-and-treatment
#8
Lara A Boland, Vanessa R Barrs
Practical relevance: Hyperadrenocorticism (HAC) is a relatively uncommon endocrinopathy of older cats, with a mean age at diagnosis of 10 years. In addition to pituitary-dependent and adrenal-dependent hypercortisolism, clinical signs of HAC can result from adrenal sex steroid-producing tumours. Clinical challenges: While HAC in cats has many similarities to canine HAC, there are key differences in presentation, diagnosis and response to therapy. Most, but not all, cats with HAC have concurrent diabetes mellitus, which is often insulin resistant...
September 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28821083/vapor-sensing-with-color-tunable-multilayered-coatings-of-cellulose-nanocrystals
#9
Yu Zhao, Guizhi Gao, Dagang Liu, Donglin Tian, Yinyan Zhu, Yu Chang
Colloidal cellulose nanocrystals were LBL deposited to form firmly-stacked optical coatings in which the nanorods regulated their head-to-tail association and aligned in the axial-centrifuged direction. The periodically transition from blue to orange of reflected colors was tunable via deposition layer adjustment. While the sensing coating was exposed to vapors of NH3(.)H2O, H2O, HCl and HAc, respectively, the color variation in the response process was irreversible at room temperature and highly dependent on vapor diffusion and chemical interface interaction...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28814576/children-s-hospitals-solutions-for-patient-safety-collaborative-impact-on-hospital-acquired-harm
#10
Anne Lyren, Richard J Brilli, Karen Zieker, Miguel Marino, Stephen Muething, Paul J Sharek
OBJECTIVES: To determine if an improvement collaborative of 33 children's hospitals focused on reliable best practice implementation and culture of safety improvements can reduce hospital-acquired conditions (HACs) and serious safety events (SSEs). METHODS: A 3-year prospective cohort study design with a 12-month historical control population was completed by the Children's Hospitals' Solutions for Patient Safety collaborative. Identification and dissemination of best practices related to 9 HACs and SSE reduction focused on key process and culture of safety improvements...
September 2017: Pediatrics
https://www.readbyqxmd.com/read/28808475/yacon-smallanthus-sonchifolius-leaf-extract-attenuates-hyperglycemia-and-skeletal-muscle-oxidative-stress-and-inflammation-in-diabetic-rats
#11
Klinsmann Carolo Dos Santos, Bianca Guerra Bueno, Luana Ferreira Pereira, Fabiane Valentini Francisqueti, Mariana Gobbo Braz, Lahis Fernandes Bincoleto, Lilian Xavier da Silva, Ana Lúcia A Ferreira, Ana Cláudia de Melo Stevanato Nakamune, C-Y Oliver Chen, Jeffrey B Blumberg, Camila Renata Corrêa
The effects of hydroethanolic extract of Yacon leaves (HEYL) on antioxidant, glycemic, and inflammatory biomarkers were tested in diabetic rats. Outcome parameters included glucose, insulin, interleukin-6 (IL-6), and hydrophilic antioxidant capacity (HAC) in serum and IL-6, HAC, malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) in soleus. The rats (10/group) were divided as follows: C, controls; C + Y, HEYL treated; DM, diabetic controls; and DM + Y, diabetic rats treated with HEYL...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28805361/medicare-program-hospital-inpatient-prospective-payment-systems-for-acute-care-hospitals-and-the-long-term-care-hospital-prospective-payment-system-and-policy-changes-and-fiscal-year-2018-rates-quality-reporting-requirements-for-specific-providers-medicare
#12
(no author information available yet)
We are revising the Medicare hospital inpatient prospective payment systems (IPPS) for operating and capital-related costs of acute care hospitals to implement changes arising from our continuing experience with these systems for FY 2018. Some of these changes implement certain statutory provisions contained in the Pathway for Sustainable Growth Rate (SGR) Reform Act of 2013, the Improving Medicare Post-Acute Care Transformation Act of 2014, the Medicare Access and CHIP Reauthorization Act of 2015, the 21st Century Cures Act, and other legislation...
August 14, 2017: Federal Register
https://www.readbyqxmd.com/read/28799737/method-to-assemble-genomic-dna-fragments-or-genes-on-human-artificial-chromosome-with-regulated-kinetochore-using-a-multi-integrase-system
#13
Nicholas C O Lee, Jung-Hyun Kim, Nikolai S Petrov, Hee-Sheung Lee, Hiroshi Masumoto, William C Earnshaw, Vladimir Larionov, Natalay Kouprina
The production of cells capable of carrying multiple transgenes to Mb-size genomic loci has multiple applications in biomedicine and biotechnology. In order to achieve this goal, three key steps are required: (i) cloning of large genomic segments; (ii) insertion of multiple DNA blocks at a precise location and (iii) the capability to eliminate the assembled region from cells. In this study, we designed the iterative integration system (IIS) that utilizes recombinases Cre, ΦC31 and ΦBT1, and combined it with a human artificial chromosome (HAC) possessing a regulated kinetochore (alphoid(tetO)-HAC)...
August 24, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28796976/-hfeprotein-impact-on-iron-metabolism
#14
Barbara Kaczorowska-Hać, Jan Jacek Kaczor
Hereditary hemochromatosis type 1 is an autosomal recessive disorder caused by HFE gene mutations, which is an iron homeostasis metabolism controlling co-factor. Adults with male predomination present with clinical symptoms derived by iron overload in organs. The phenotype expression is individual with an influence of individual and environmental factors. Despite the fact that HFE variants are widespread, its impact still remains unknown. The article reviews the literature considering the role of HFE gene mutations regarding its impact in children...
2017: Developmental Period Medicine
https://www.readbyqxmd.com/read/28772845/hydrogen-assisted-cracking-in-pearlitic-steel-rods-the-role-of-residual-stresses-generated-by-fatigue-precracking
#15
Jesús Toribio, Leticia Aguado, Miguel Lorenzo, Viktor Kharin
Stress corrosion cracking (SCC) of metals is an issue of major concern in engineering since this phenomenon causes many catastrophic failures of structural components in aggressive environments. SCC is even more harmful under cathodic conditions promoting the phenomenon known as hydrogen assisted cracking (HAC), hydrogen assisted fracture (HAF) or hydrogen embrittlement (HE). A common way to assess the susceptibility of a given material to HAC, HAF or HE is to subject a cracked rod to a constant extension rate tension (CERT) test until it fractures in this harsh environment...
May 2, 2017: Materials
https://www.readbyqxmd.com/read/28767448/selective-cytotoxicity-of-vanadium-complexes-on-human-pancreatic-ductal-adenocarcinoma-cell-line-by-inducing-necroptosis-apoptosis-and-mitotic-catastrophe-process
#16
Szymon Kowalski, Stanisław Hać, Dariusz Wyrzykowski, Agata Zauszkiewicz-Pawlak, Iwona Inkielewicz-Stępniak
The pancreatic cancer is the fourth leading cause of cancer-related death and characterized by one of the lowest five-year survival rate. The current therapeutic options are demonstrating minimal effectiveness, therefore studies on new potential anticancer compounds, with non-significant side effects are highly desirable. Recently, it was demonstrated that vanadium compounds, in particular organic derivatives, exhibit anticancer properties against different type of tumor as well as favorable biodistribution from a pancreatic cancer treatment perspective...
July 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28759861/concurrent-hyperadrenocorticism-and-diabetes-mellitus-in-dogs
#17
D D Miceli, O P Pignataro, V A Castillo
Hyperadrenocorticism (HAC) and diabetes mellitus (DM) are two diseases that can occur concurrently in dogs. The objective of this study was to evaluate the coexistence of HAC and DM, and the risk factors involved that could contribute to the development of DM in dogs with HAC. A total of 235 dogs with HAC were studied and, according to their fasting glycemia, they were divided into three groups: <5.6mmol/L, between 5.6 and 10.08mmol/L and >10.08mmol/L. The following parameters were evaluated: age, gender, cause of HAC, body condition, glycemia, total cholesterol, triglycerides, urinary cortisol:creatinin ratio (UCCR) and survival time...
July 25, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28753418/comparison-of-cadmium-absorption-translocation-subcellular-distribution-and-chemical-forms-between-two-radish-cultivars-raphanus-sativus-l
#18
Juan Xin, Xiaohu Zhao, Qiling Tan, Xuecheng Sun, Chengxiao Hu
Cadmium (Cd) absorption and accumulation vary greatly not only among plant species but also among cultivars within the same species. In order to better understand the mechanisms of Cd absorption, transportation and distribution, we examined the differences of Cd absorption, translocation, subcellular distribution and chemical forms between L19, a Cd-tolerant genotype, and H4, a Cd-sensitive genotype, using kinetic analysis and soil culture experiment. Kinetic assays showed that the different Cd concentrations between the two cultivars might be ascribed to root absorption and translocation from root to shoot...
July 25, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28752579/osteoarthritic-human-chondrocytes-proliferate-in-3d-co-culture-with-mesenchymal-stem-cells-in-suspension-bioreactors
#19
Madiha Khurshid, Aillette Mulet-Sierra, Adetola Adesida, Arindom Sen
Osteoarthritis (OA) is a painful disease, characterized by progressive surface erosion of articular cartilage. The use of human articular chondrocytes (hACs) sourced from OA patients has been proposed as a potential therapy for cartilage repair, but this approach is limited by the lack of scalable methods to produce clinically relevant quantities of cartilage-generating cells. Previous studies in static culture have shown that hACs co-cultured with human mesenchymal stem cells (hMSCs) as 3D pellets can upregulate proliferation and generate neocartilage with enhanced functional matrix formation relative to that produced from either cell type alone...
July 28, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28740501/hac1-and-haf1-histone-acetyltransferases-have-different-roles-in-uv-b-responses-in-arabidopsis
#20
Julieta P Fina, Fiorella Masotti, Sebastián P Rius, Franco Crevacuore, Paula Casati
Arabidopsis has 12 histone acetyltransferases grouped in four families: the GNAT/HAG, the MYST/HAM, the p300/CBP/HAC and the TAFII250/HAF families. We previously showed that ham1 and ham2 mutants accumulated higher damaged DNA after UV-B exposure than WT plants. In contrast, hag3 RNA interference transgenic plants showed less DNA damage and lower inhibition of plant growth by UV-B, and increased levels of UV-B-absorbing compounds. These results demonstrated that HAM1, HAM2, and HAG3 participate in UV-B-induced DNA damage repair and signaling...
2017: Frontiers in Plant Science
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