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https://www.readbyqxmd.com/read/29668079/co-culture-of-adipose-derived-stem-cells-and-chondrocytes-on-three-dimensionally-printed-bioscaffolds-for-craniofacial-cartilage-engineering
#1
Robert J Morrison, Hassan B Nasser, Khaled N Kashlan, David A Zopf, Derek J Milner, Colleen L Flanangan, Matthew B Wheeler, Glenn E Green, Scott J Hollister
OBJECTIVES/HYPOTHESIS: Reconstruction of craniofacial cartilagenous defects are among the most challenging surgical procedures in facial plastic surgery. Bioengineered craniofacial cartilage holds immense potential to surpass current reconstructive options, but limitations to clinical translation exist. We endeavored to determine the viability of utilizing adipose-derived stem cell-chondrocyte co-culture and three-dimensional (3D) printing to produce 3D bioscaffolds for cartilage tissue engineering...
April 18, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29668038/photodynamic-therapy-induces-antifibrotic-alterations-in-primary-human-vocal-fold-fibroblasts
#2
Chi Zhang, Jiajia Wang, Adriana Chou, Ting Gong, Erin E Devine, Jack J Jiang
OBJECTIVES/HYPOTHESIS: Photodynamic therapy (PDT) is a promising treatment modality for laryngeal dysplasia, early-stage carcinoma, and papilloma, and was reported to have the ability to preserve laryngeal function and voice quality without clinical fibrotic response. We aimed to investigate the mechanism behind the antifibrotic effects of PDT on primary human vocal fold fibroblasts (VFFs) in vitro. STUDY DESIGN: In vitro analysis from one human donor. METHODS: Cell viability of VFFs in response to varying doses of PDT was investigated by the Cell Counting Kit-8 method...
April 18, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29667914/inactivation-of-map3k7-in-foxd1-expressing-cells-results-in-loss-of-mesangial-pdgfr%C3%AE-and-juvenile-kidney-scarring
#3
Michele J Karolak, Justin A Guay, Leif Oxburgh
Transforming growth factor beta (TGFβ) plays a central role in renal scarring, controlling extracellular matrix deposition by interstitial cells and mesangial cells. TGFβ signals through Smad and mitogen activated protein kinase (MAPK) pathways. To understand the role of MAPK in interstitial and mesangial cells, we genetically inactivated TGFβ-activated kinase 1 (Map3k7) using Foxd1+/cre. Embryonic kidney development was unperturbed in mutants, but spontaneous scarring of the kidney ensued during the first postnatal week, with retention of embryonic nephrogenic rests and accumulation of collagen IV in the mesangium...
April 18, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29667913/ubiquitin-c-terminal-hydrolase-l1-deletion-is-associated-with-urinary-%C3%AE-klotho-deficiency-and-perturbed-phosphate-homeostasis
#4
Naomi C Boisvert, Chet E Holterman, Alexey Gutsol, Josee Coulombe, Wanling Pan, R Todd Alexander, Douglas A Gray, Chris R Kennedy
Loss of ubiquitin C-terminal hydrolase L1 (UCHL1), a deubiquitinating enzyme required for neuronal function, led to hyperphosphatemia accompanied by phosphaturia in mice, while calcium homeostasis remained intact. We therefore investigated the mechanisms underlying the phosphate imbalance in Uchl1-/- mice. Interestingly, phosphaturia was not a result of lower renal brush border membrane sodium-phosphate cotransporter expression as sodium-phosphate cotransporter 2a and 2c expression levels were similar to wild type levels...
April 18, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29667764/rrm2-promotes-the-progression-of-human-glioblastoma
#5
Chao Li, Jingfang Zheng, Si Chen, Bin Huang, Guosheng Li, Zichao Feng, Jiwei Wang, Shujun Xu
Glioblastoma pathogenesis is related to multiple processes that affected by dozens of regulatory factors, but the potential underlying factors regulating glioblastoma progression remains unclear. The goal of this research was to determine how the ribonucleotide reductase M2 subunit (RRM2) influenced proliferation, invasion, migration, and apoptosis of human glioblastoma cells. The level of proliferation of human glioblastoma cells was measured through CCK8, colony formation assay and immunofluorescence stains...
April 18, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29667748/accumulation-and-sublethal-effects-of-triclosan-and-its-transformation-product-methyl-triclosan-in-the-earthworm-eisenia-andrei-exposed-to-environmental-concentrations-in-an-artificial-soil
#6
Fanny Chevillot, Mélanie Guyot, Mélanie Desrosiers, Nicole Cadoret, Éloïse Veilleux, Hubert Cabana, Jean-Philippe Bellenger
Municipal biosolids are increasingly used as a low-cost fertilizer in agricultural soil. Biosolids are contaminated by low concentrations (ng g-1 dw range) of a large variety of organic contaminants, such as triclosan (TCS). The effect of exposure to low concentrations of organic contaminants on soil biota remains largely undocumented. We evaluated the sublethal effects of TCS on the earthworm Eisenia andrei using an artificial soil amended with a nominal concentration of TCS of 50 ng g-1 dry weight soil...
April 18, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29667712/trajectories-of-alcohol-consumption-in-u-s-military-veterans-results-from-the-national-health-and-resilience-in-veterans-study
#7
Brian S Fuehrlein, Lorig K Kachadourian, Elizabeth K DeVylder, Louis A Trevisan, Marc N Potenza, John H Krystal, Steven M Southwick, Robert H Pietrzak
BACKGROUND AND OBJECTIVES: While alcohol use disorder is prevalent in U.S. veterans, little is known about the nature and determinants of predominant trajectories of alcohol consumption in this population. The objective of the current study was to identify predominant trajectories of alcohol consumption over a 4-year period, and baseline determinants of these trajectories in veterans. METHODS: Data were analyzed from the National Health and Resilience in Veteran Study, which surveyed a nationally representative sample of 3,157 veterans (Wave 1)...
April 18, 2018: American Journal on Addictions
https://www.readbyqxmd.com/read/29667585/recent-developments-in-the-diagnosis-and-therapy-of-well-differentiated-neuroendocrine-tumours
#8
J Hofland, R A Feelders, T Brabander, G J H Franssen, W W de Herder
Well-differentiated neuroendocrine tumours (NETs) of the digestive tract are being increasingly detected, which is partly explained by the increased use of endoscopic and cross-sectional imaging as well as improved recognition at histopathological evaluation. After the discovery of this relatively indolent type of epithelial malignancy over 100 years ago, their sporadic occurrence and divergent biological behaviour at multiple primary sites have hampered dedicated studies into NET pathogenesis and testing of drug efficacy in well-designed clinical trials...
April 2018: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/29667328/insights-into-the-regulation-of-cbf-cold-signaling-in-plants
#9
REVIEW
Jingyan Liu, Yiting Shi, Shuhua Yang
Cold temperatures, a major abiotic stress, threaten the growth and development of plants worldwide. To cope with this adverse environmental cue, plants from temperate climates have evolved an array of sophisticated mechanisms to acclimate to cold periods, increasing their ability to tolerate freezing stress. Over the last decade, significant progress has been made in determining the molecular mechanisms underpinning cold acclimation following the identification of several pivotal components, including candidates for cold sensors, protein kinases, and transcription factors...
April 18, 2018: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/29667298/distinct-chromatin-structures-at-the-monoamine-oxidase-a-maoa-promoter-correlate-with-allele-specific-expression-in-sh-sy5y-cells
#10
M Manca, V Pessoa, P Myers, A Pickles, J Hill, H Sharp, C Murgatroyd, V J Bubb, J P Quinn
Monoamine oxidase-A (MAOA) metabolises monoamines and is implicated in the pathophysiology of psychiatric disorders. A polymorphic repetitive DNA domain, termed the uVNTR (upstream variable number tandem repeat), located at the promoter of the MAOA gene is a risk factor for many of these disorders. MAOA is on the X chromosome suggesting gender could play a role in regulation. We analysed MAOA regulation in the human female cell line, SH-SY5Y, which is polymorphic for the uVNTR. This heterozygosity allowed us to correlate allele specific gene expression with allele specific transcription factor binding and epigenetic marks for MAOA...
April 18, 2018: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29667176/pre-diagnostic-blood-immune-markers-incidence-and-progression-of-b-cell-lymphoma-and-multiple-myeloma-univariate-and-functionally-informed-multivariate-analyses
#11
Roel Vermeulen, Fatemeh Saberi Hosnijeh, Barbara Bodinier, Lützen Portengen, Benoît Liquet, Javiera Garrido-Manriquez, Henk Lokhorst, Ingvar A Bergdahl, Soterios A Kyrtopoulos, Ann-Sofie Johansson, Panagiotis Georgiadis, Beatrice Melin, Domenico Palli, Vittorio Krogh, Salvatore Panico, Carlotta Sacerdote, Rosario Tumino, Paolo Vineis, Raphaële Castagné, Marc Chadeau-Hyam
Recent prospective studies have shown that dysregulation of the immune system may precede the development of B-cell lymphomas (BCL) in immunocompetent individuals. However, to date, the studies were restricted to a few immune markers, which were considered separately. Using a nested case-control study within two European prospective cohorts, we measured plasma levels of 28 immune markers in samples collected a median of 6 years prior to diagnosis (range, 2.01-15.97) in 268 incident cases of BCL (including multiple myeloma) and matched controls...
April 18, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29667150/topical-application-of-omega-3-omega-6-and-omega-9-rich-oil-emulsions-for-cutaneous-wound-healing-in-rats
#12
Wan Maznah Wan Ishak, Haliza Katas, Ng Pei Yuen, Maizaton Atmadini Abdullah, Mohd Hanif Zulfakar
Wound healing is a physiological event that generates reconstitution and restoration of granulation tissue that ends with scar formation. As omega fatty acids are part of membrane phospholipids and participate in the inflammatory response, we investigated the effects of omega-3, omega-6, and omega-9 fatty acids in the form of oils on wound healing. Linseed (LO), evening primrose (EPO), and olive oils (OO) rich in omega-3, omega-6, and omega-9 fatty acids were formulated into emulsions and were topically applied on rats with excision wounds...
April 17, 2018: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/29667116/intraoperative-pancreatic-cancer-detection-using-tumor-specific-multimodality-molecular-imaging
#13
Willemieke S Tummers, Sarah E Miller, Nutte T Teraphongphom, Adam Gomez, Idan Steinberg, David M Huland, Steve Hong, Sri-Rajasekhar Kothapalli, Alifia Hasan, Robert Ertsey, Bert A Bonsing, Alexander L Vahrmeijer, Rutger-Jan Swijnenburg, Teri A Longacre, George A Fisher, Sanjiv S Gambhir, George A Poultsides, Eben L Rosenthal
BACKGROUND: Operative management of pancreatic ductal adenocarcinoma (PDAC) is complicated by several key decisions during the procedure. Identification of metastatic disease at the outset and, when none is found, complete (R0) resection of primary tumor are key to optimizing clinical outcomes. The use of tumor-targeted molecular imaging, based on photoacoustic and fluorescence optical imaging, can provide crucial information to the surgeon. The first-in-human use of multimodality molecular imaging for intraoperative detection of pancreatic cancer is reported using cetuximab-IRDye800, a near-infrared fluorescent agent that binds to epidermal growth factor receptor...
April 17, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29667106/chronic-fertilization-of-37-years-alters-the-phylogenetic-structure-of-soil-arbuscular-mycorrhizal-fungi-in-chinese-mollisols
#14
Mingchao Ma, Marc Ongena, Qingfeng Wang, Dawei Guan, Fengming Cao, Xin Jiang, Jun Li
Arbuscular mycorrhizal fungi (AMF) play vital roles in sustaining soil productivity and plant communities. However, adaption and differentiation of AMF in response to commonly used fertilization remain poorly understood. In this study, we showed that the AMF community composition was primarily driven by soil physiochemical changes associated with chronic inorganic and organic fertilization of 37 years in Mollisols. High-throughput sequencing indicated that inorganic fertilizer negatively affected AMF diversity and richness, implying a reduction of mutualism in plant-AMF symbiosis; however, a reverse trend was observed for the application of inorganic fertilizer combined with manure...
April 17, 2018: AMB Express
https://www.readbyqxmd.com/read/29667065/single-site-laparoscopy-and-robotic-surgery-in-pediatric-urology
#15
REVIEW
Diana K Bowen, Jason P Van Batavia, Arun K Srinivasan
PURPOSE OF REVIEW: In this review, we summarize research that has evaluated the role of laparoendoscopic single-site (LESS) and robotic surgery in pediatric urology, highlighting new and/or controversial ideas. RECENT FINDINGS: The newest research developments over the last several years are studies that address generalizability of these techniques, ideal patient factors, extrapolation to more complex surgeries, and comparative studies to more traditional techniques to define the associated costs and benefits, as well as patient-centered outcomes...
April 17, 2018: Current Urology Reports
https://www.readbyqxmd.com/read/29667063/allocating-on-coal-consumption-and-co-2-emission-from-fair-and-efficient-perspective-empirical-analysis-on-provincial-panel-data-of-china
#16
Bang-Jun Wang, Jia-Lu Zhao, Yan-Fang Wu, Chao-Qun Zhu, Yin-Nan He, Yi-Xi Wei
This paper considers a problem of how to allocate resource effectively and equitably among provinces. To address the problem, a total factor resource input-oriented data envelopment analysis (DEA) model is used to evaluate the energy and environmental efficiency for 30 provinces in China during 2009-2013 in this paper. Based on the evaluation results, from efficient and fair perspective, a revised DEA-based resource allocation model is established. It is worth pointing out that the model takes the input orientation and output orientation into account at the same time and can be used to allocate coal consumption and carbon emission by 2020 for 30 provinces in China...
April 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29667005/the-bmp-2-mutant-l51p-a-bmp-receptor-ia-binding-deficient-inhibitor-of-noggin
#17
REVIEW
Hany Mohamed Khattab, Satoshi Kubota, Masaharu Takigawa, Takuo Kuboki, Walter Sebald
The antagonist-specific regulation in tissue engineering constitutes important attempts to achieve an improved and rapid bone regeneration by controlling the natural biological response of the natural body growth factors. L51P is molecularly engineered bone morphogentic protein-2 (BMP-2) variant with a substitution of the 51st leucine with a proline residue. L51P is deficient in BMP receptor binding, but maintains its structure and affinity for inhibitory proteins such as noggin, chordin, and gremlin. These modifications convert the BMP-2 variant L51P into a receptor-inactive inhibitor of BMP antagonists...
April 17, 2018: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29666970/histopathological-and-molecular-predictors-of-growth-patterns-and-recurrence-in-craniopharyngiomas-a-systematic-review
#18
REVIEW
Josephine R Coury, Brittany N Davis, Christoforos P Koumas, Giovanna S Manzano, Amir R Dehdashti
Craniopharyngiomas (CPs) are rare, benign tumors derived from Rathke's pouch, known for their high recurrence rates and associated morbidity and mortality. Despite significant investigation on risk factors for recurrence, a lack of consensus persists. Recent research suggests that specific histopathological and molecular characteristics are prognostic for disease progression. In this systematic review, we analyzed and consolidated key features of CPs that contribute to increased recurrence rates. This systematic review was performed in accordance with PRISMA guidelines...
April 17, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29666957/conditioned-medium-from-umbilical-cord-mesenchymal-stem-cells-improves-nasal-mucosa-damage-by-radiation
#19
Hong-Gang Duan, Fang Ji, Chun-Quan Zheng, Jing Li, Jing Wang
OBJECTIVES: To explore therapeutic effects of conditioned medium from human umbilical cord mesenchymal stem cells (hUC-MSCs) on nasal mucosa radiation damage both in vivo and in vitro. RESULTS: The mucus cilia clearance time (7 and 30 days), degree of mucosal edema (7, 30, 90 and 180 days), cilia coverage (180 days) of concentrated conditioned medium group improved compared with radiotherapy control group. The proliferation and migration abilities of irradiated and non-irradiated nasal epithelial cells significantly increased after culture in bronchial epithelial cell growth medium (BEGM) containing 10% conditioned medium of hUC-MSCs compared to cells cultured in BEGM alone...
April 17, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29666896/calpain-inhibition-attenuates-bleomycin-induced-pulmonary-fibrosis-via-switching-the-development-of-epithelial-mesenchymal-transition
#20
Yuan Liu, Bing Liu, Gu-Qin Zhang, Jing-Feng Zou, Meng-Lin Zou, Zhen-Shun Cheng
Calpains are intracellular calcium-dependent cysteine proteases, which cleave several substrates proteins, have been proven to play important roles in lung fibrosis. The aim of this study was to investigate the effects of calpain on bleomycin (BLM)-induced pulmonary fibrosis. A lung fibrosis mice model was established successfully by intraperitoneal injection of bleomycin. Calpeptin, a highly selective inhibitor of calpain activation, was administered three times weekly after bleomycin injection. Histological examination was used to assess the fibrosis...
April 18, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
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