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https://www.readbyqxmd.com/read/28324856/quantification-of-groundwater-recharge-in-urban-environments
#1
Isabel Tubau, Enric Vázquez-Suñé, Jesús Carrera, Cristina Valhondo, Rotman Criollo
Groundwater management in urban areas requires a detailed knowledge of the hydrogeological system as well as the adequate tools for predicting the amount of groundwater and water quality evolution. In that context, a key difference between urban and natural areas lies in recharge evaluation. A large number of studies have been published since the 1990s that evaluate recharge in urban areas, with no specific methodology. Most of these methods show that there are generally higher rates of recharge in urban settings than in natural settings...
March 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28297049/improvement-of-radiocephalic-fistula-maturation-rationale-and-design-of-the-liposomal-prednisolone-to-improve-hemodialysis-fistula-maturation-lipmat-study-a-randomized-controlled-trial
#2
Bram M Voorzaat, Jan van Schaik, Koen E A van der Bogt, Liffert Vogt, Laurens Huisman, Bas A Th F Gabreëls, Irene M van der Meer, Randolph G S van Eps, Daniël Eefting, Marcel C Weijmer, Han O Groeneveld, Roos C van Nieuwenhuizen, Henk Boom, Cornelis A Verburgh, Karien van der Putten, Joris I Rotmans
BACKGROUND: Non-maturation is a frequent complication of radiocephalic arteriovenous fistulas (RCAVF). In an animal model, liposomal prednisolone improved maturation of experimental fistulas. The Liposomal Prednisolone to Improve Hemodialysis Fistula Maturation (LIPMAT) study investigates if liposomal prednisolone improves RCAVF maturation. METHODS AND RESULTS: The LIPMAT study is an investigator-initiated, multicenter, double-blinded, placebo-controlled randomized controlled trial with 1:1 randomization to liposomal prednisolone or placebo...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28277277/immunoregulation-of-dendritic-cell-subsets-by-inhibitory-receptors-in-urothelial-cancer
#3
Mathieu F Chevalier, Perrine Bohner, Claire Pieraerts, Benoit Lhermitte, Jolanta Gourmaud, Antoine Nobile, Samuel Rotman, Valerie Cesson, Virginie Martin, Anne-Sophie Legris, Florence Dartiguenave, Dalila Gharbi, Laurence De Leval, Daniel E Speiser, Denise Nardelli-Haefliger, Patrice Jichlinski, Laurent Derré
Blockade of inhibitory receptors (IRs) overexpressed by T cells can activate antitumor immune responses, resulting in the most promising therapeutic approaches, particularly in bladder cancer, currently able to extend patient survival. Thanks to their ability to cross-present antigens to T cells, dendritic cells (DCs) are an immune cell population that plays a central role in the generation of effective antitumor T-cell responses. While IR function and expression have been investigated in T cells, very few data are available for DCs...
October 27, 2016: European Urology
https://www.readbyqxmd.com/read/28274997/what-if-prometheus-had-steatosis-potential-use-of-fgf19-to-promote-regeneration-of-the-fatty-liver
#4
Philip M Brown, Yaron Rotman
No abstract text is available yet for this article.
March 8, 2017: Gut
https://www.readbyqxmd.com/read/28253835/abdominal-aortic-calcification-on-a-plain-x-ray-and-the-relation-with-significant-coronary-artery-disease-in-asymptomatic-chronic-dialysis-patients
#5
M K de Bie, M S Buiten, J I Rotmans, M Hogenbirk, M J Schalij, T J Rabelink, J W Jukema
BACKGROUND: Coronary artery disease (CAD) is common in asymptomatic chronic dialysis patients and plays an important role in their poor survival. Early identification of these high-risk patients could improve treatment and reduce mortality. Abdominal aortic calcification (AAC) has previously been associated with CAD in autopsy studies. Since the AAC can be quantified easily using a lateral lumbar X-ray we hypothesized that the extent of AAC as assessed on a lateral lumbar X-ray might be predictive of the presence of significant CAD in dialysis patients...
March 2, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28231284/correction-tracking-career-outcomes-for-postdoctoral-scholars-a-call-to-action
#6
Elizabeth A Silva, Christine Des Jarlais, Bill Lindstaedt, Erik Rotman, Elizabeth S Watkins
[This corrects the article DOI: 10.1371/journal.pbio.1002458.].
February 2017: PLoS Biology
https://www.readbyqxmd.com/read/28205013/utilizing-the-foreign-body-response-to-grow-tissue-engineered-blood-vessels-in-vivo
#7
Wouter J Geelhoed, Lorenzo Moroni, Joris I Rotmans
It is well known that the number of patients requiring a vascular grafts for use as vessel replacement in cardiovascular diseases, or as vascular access site for hemodialysis is ever increasing. The development of tissue engineered blood vessels (TEBV's) is a promising method to meet this increasing demand vascular grafts, without having to rely on poorly performing synthetic options such as polytetrafluoroethylene (PTFE) or Dacron. The generation of in vivo TEBV's involves utilizing the host reaction to an implanted biomaterial for the generation of completely autologous tissues...
February 15, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28152575/liver-fat-accumulation-as-a-barometer-of-insulin-responsiveness-again-points-to-adipose-tissue-as-the-culprit
#8
EDITORIAL
Yaron Rotman, Brent A Neuschwander-Tetri
No abstract text is available yet for this article.
April 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28131618/taliglucerase-alfa-in-gaucher-disease-description-of-a-brazilian-experience
#9
R Cravo, V Rotman, P M N Oliveira, H G T Defendi, D A Conceição, J R Xavier, R Chertkoff, T G Noronha, M L S Maia
We evaluated retrospectively, efficacy and safety of taliglucerase alfa for Gaucher disease in a Brazilian population. Thirteen patients were included for efficacy analysis only one of them naïve to enzyme replacement therapy. All the parameters evaluated remained stable throughout treatment (mean duration 3,5years). Only three patients (out of 35) had to discontinue treatment due to a serious adverse event. In conclusion, treatment with taliglucerase alfa was found to be safe and efficient.
January 16, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28116653/classical-and-additional-antiphospholipid-antibodies-in-blood-samples-of-ischemic-stroke-patients-and-healthy-controls
#10
Narin-Nard Carmel-Neiderman, David Tanne, Idan Goren, Pnina Rotman-Pikielny, Yair Levy
Classical antiphospholipid antibodies (aPLa) are found in 6-25% of blood samples from stroke patients. The frequency of novel aPLa antibodies in blood samples of CVA patients is not known. Enzyme-linked immunosorbent assays (ELISA) were performed on blood samples from 209 CVA patients (170 samples were obtained during the acute phase and 39 samples were from patients with complete carotid stenosis) and compared to 54 healthy controls. Subjects were tested for the presence of the classical aPL antibodies anticardiolipin (aCL) and anti-beta2-glycoprotein (aβ2gI), in addition to antiphosphatidylethanolamine (aPE), anti-phosphatidylserine (aPS), and Annexin V...
January 23, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28116652/does-parvovirus-infection-have-a-role-in-systemic-lupus-erythematosus
#11
Tami Hod, Giselle Zandman-Goddard, Pnina Langevitz, Hagit Rudnic, Zehava Grossman, Pnina Rotman-Pikielny, Yair Levy
We sought to evaluate a possible link between parvovirus B19 infection and the clinical and laboratory expression of systemic lupus erythematosus (SLE). SLE patients were examined to evaluate their clinical status and disease activity. A complete Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) score was obtained for each patient. In addition, we determined the level of systemic involvement throughout the course of the disease. Blood levels of IgM and IgG antibodies to parvovirus B19, levels of anti-dsDNA, C3, and C4 were measured...
January 23, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28102512/anti-phospholipid-syndrome-associated-with-schizophrenia-description-of-five-patients-and-review-of-the-literature
#12
Pikman Regina, Rotman Pnina, Aiman Natur, Levy Yair
Anti-phospholipid syndrome is an autoimmune disorder characterized by anti-phospholipid antibodies, arterial and venous thrombosis, pregnancy morbidity, and various neurological manifestations including psychiatric disorders. Higher incidence of various autoimmune disorders was found in schizophrenia. In addition, an association between the presence of anti-phospholipid antibodies and schizophrenia or psychosis was previously described, mainly as case reports. Although initially believed to be a result of neuroleptic treatment, the reasons for this association remain obscure...
January 19, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28081186/mechanical-compression-effects-on-the-secretion-of-vwf-and-il-8-by-cultured-human-vein-endothelium
#13
Dar Weiss, Sharon Avraham, Ruth Guttlieb, Lee Gasner, Alina Lotman, Oren M Rotman, Shmuel Einav
Short peripheral catheters are ubiquitous in today's healthcare environment enabling effective delivery of fluids and medications directly into a patient's vasculature. However, complications related to their use, such as short peripheral catheter thrombophlebitis (SPCT), affect up to 80% of hospitalized patients. While indwelling within the vein, the catheters exert prolonged constant pressure upon the endothelium which can trigger inflammation processes. We have developed and studied an in-vitro model of cultured endothelial cells subjected to mechanical compression of modular self-designed weights, and explored their inflammatory response by quantification of two key biomarkers- vWF and IL-8...
2017: PloS One
https://www.readbyqxmd.com/read/28074540/complications-of-percutaneous-liver-biopsy-with-klatskin-needles-a-36-year-single-centre-experience
#14
V Takyar, O Etzion, T Heller, D E Kleiner, Y Rotman, M G Ghany, N Fryzek, V H Williams, E Rivera, S Auh, T J Liang, J H Hoofnagle, C Koh
BACKGROUND: Liver biopsy is the gold standard in evaluating liver diseases but is susceptible to complications. Safety data on aspiration needle biopsies remain limited. AIM: To evaluate the safety of percutaneous liver biopsy performed with Klatskin needle. METHODS: Clinical and biochemical data were retrospectively retrieved from sequential subjects who underwent liver biopsy with Klatskin needle from 1978 to 2015. Subjects with complications underwent thorough chart reviews for hospital course...
March 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28024838/special-issue-on-biofluid-mechanics-of-multitude-pathways-from-cellular-to-organ
#15
EDITORIAL
Shmuel Einav, Danny Bluestein, Oren M Rotman
No abstract text is available yet for this article.
January 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27989436/gene-architectures-that-minimize-cost-of-gene-expression
#16
Idan Frumkin, Dvir Schirman, Aviv Rotman, Fangfei Li, Liron Zahavi, Ernest Mordret, Omer Asraf, Song Wu, Sasha F Levy, Yitzhak Pilpel
Gene expression burdens cells by consuming resources and energy. While numerous studies have investigated regulation of expression level, little is known about gene design elements that govern expression costs. Here, we ask how cells minimize production costs while maintaining a given protein expression level and whether there are gene architectures that optimize this process. We measured fitness of ∼14,000 E. coli strains, each expressing a reporter gene with a unique 5' architecture. By comparing cost-effective and ineffective architectures, we found that cost per protein molecule could be minimized by lowering transcription levels, regulating translation speeds, and utilizing amino acids that are cheap to synthesize and that are less hydrophobic...
January 5, 2017: Molecular Cell
https://www.readbyqxmd.com/read/27869302/brain-function-is-linked-to-ldl-cholesterol-in-older-adults-with-cardiovascular-risk
#17
Liesel-Ann C Meusel, Nicole D Anderson, Matthew D Parrott, William Yuen, Ekaterina Tchistiakova, Bradley J MacIntosh, Sid Feldman, Carol E Greenwood
OBJECTIVES: To determine how cardiovascular risk is associated with working memory task performance and task-related suppression of default-mode network (DMN) activity in cognitively intact older adults. DESIGN: A cross-sectional functional magnetic resonance imaging study of older adults with cardiovascular risk factors. SETTING: Rotman Research Institute, Baycrest Health Sciences. PARTICIPANTS: Thirty older adults with cardiovascular risk factors...
November 21, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27866677/pressure-drop-and-arterial-compliance-two-arterial-parameters-in-one-measurement
#18
Oren M Rotman, Uri Zaretsky, Avraham Shitzer, Shmuel Einav
Coronary artery pressure-drop and distensibility (compliance) are two major, seemingly unrelated, parameters in the cardiovascular clinical setting, which are indicative of coronary arteries patency and atherosclerosis severity. While pressure drop is related to flow, and therefore serves as a functional indicator of a stenosis severity, the arterial distensibility is indicative of the arterial stiffness, and hence the arterial wall composition. In the present study, we hypothesized that local pressure drops are dependent on the arterial distensibility, and hence can provide information on both indices...
January 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27866674/quantitative-t2-mapping-for-detection-and-quantification-of-thrombophlebitis-in-a-rabbit-model
#19
Dar Weiss, Oren M Rotman, Shmuel Einav
Short peripheral catheter thrombophlebitis (SPCT), a sterile inflammation of the vein wall, is the most common complication associated with short peripheral catheters (SPCs) and affects up to 80% of hospitalized patients receiving IV therapy. Extensive research efforts have been devoted for improvement and optimization of the catheter material, but means for examination of any novel design are limited, inaccurate and require costly comprehensive pre-clinical and clinical trials. Therefore, there is a conclusive need for a reliable quantitative method for evaluation of SPCT, in particular for research purposes examining the thrombophlebitis-related symptoms of any novel catheter design...
January 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27860368/in-vitro-and-biomechanical-screening-of-polyethylene-glycol-and-poly-trimethylene-carbonate-block-copolymers-for-annulus-fibrosus-repair
#20
Rose G Long, Stijn G Rotman, Warren W Hom, Dylan J Assael, Dirk W Grijpma, James C Iatridis
Herniated intervertebral discs are a common cause of back and neck pain. There is an unmet clinical need to seal annulus fibrosus (AF) defects, since discectomy surgeries address acute pain but are complicated by reherniation and recurrent pain. Copolymers of polyethylene glycol with trimethylene carbonate (TMC) and hexamathylene diisocyanate end-groups were formulated as AF sealants since the hexamathylene diisocyanate form covalent bonds with native AF tissue. TMC adhesives were evaluated and optimized using the design criteria: stable size, strong adherence to AF tissue, high cytocompatibility, restoration of intervertebral disc biomechanics to intact levels following in situ repair, and low extrusion risk...
November 12, 2016: Journal of Tissue Engineering and Regenerative Medicine
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