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https://www.readbyqxmd.com/read/28736556/ras-signaling-inhibitors-attenuate-disease-in-adjuvant-induced-arthritis-via-targeting-pathogenic-antigen-specific-th17-type-cells
#1
Morad Zayoud, Victoria Marcu-Malina, Einav Vax, Jasmine Jacob-Hirsch, Galit Elad-Sfadia, Iris Barshack, Yoel Kloog, Itamar Goldstein
The Ras family of GTPases plays an important role in signaling nodes downstream to T cell receptor and CD28 activation, potentially lowering the threshold for T-cell receptor activation by autoantigens. Somatic mutation in NRAS or KRAS may cause a rare autoimmune disorder coupled with abnormal expansion of lymphocytes. T cells from rheumatoid arthritis (RA) patients show excessive activation of Ras/MEK/ERK pathway. The small molecule farnesylthiosalicylic acid (FTS) interferes with the interaction between Ras GTPases and their prenyl-binding chaperones to inhibit proper plasma membrane localization...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28736111/metformin-therapy-reduces-the-risk-of-malignancy-after-heart-transplantation
#2
Yael Peled, Jacob Lavee, Eugenia Raichlin, Moshe Katz, Michael Arad, Yigal Kassif, Amir Peled, Elad Asher, Dan Elian, Yedael Har-Zahav, Nir Shlomo, Dov Freimark, Ilan Goldenberg, Robert Klempfner
BACKGROUND: Malignancy and diabetes mellitus (DM) cause significant morbidity and mortality after heart transplantation (HTx). Metformin, one of the most commonly used anti-diabetic drugs worldwide, has also been shown to exhibit anti-tumor activity. We therefore investigated the association between metformin therapy and malignancy after HTx. METHODS: The study population comprised 237 patients who underwent HTx between 1991 and 2016 and were prospectively followed-up...
June 23, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28731494/subthreshold-micropulse-laser-reduces-anti-vegf-injection-burden-in-patients-with-diabetic-macular-edema
#3
Elad Moisseiev, Sam Abbassi, Sumeer Thinda, Joseph Yoon, Glenn Yiu, Lawrence S Morse
PURPOSE: To evaluate the efficacy of micropulse laser in the early treatment of diabetic macular edema (DME) and its associated burden of anti-vascular endothelial growth factor (VEGF) injections. METHODS: This retrospective comparative study compared a group of 19 eyes with DME treated with micropulse laser to a matched control group of 19 eyes with DME treated with ranibizumab injections without micropulse laser. Recorded parameters included previous medical and ocular history, previous and subsequent ranibizumab injections administered for DME, visual acuity (VA), central macular thickness throughout the follow-up period, and the occurrence of any complications...
July 20, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28713026/cardiac-magnetic-resonance-imaging-to-guide-ventricular-tachycardia-ablation-are-we-there
#4
EDITORIAL
Elad Anter
No abstract text is available yet for this article.
July 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28710128/bcxyg1-a-secreted-xyloglucanase-from-botrytis-cinerea-induces-cell-death-and-triggers-plant-defense
#5
Wenjun Zhu, Mordechi Ronen, Yonatan Gur, Anna Minz-Dub, Gal Masrati, Nir Ben-Tal, Itai Sharon, Alon Savidor, Elad Eizner, Oliver Valerius, Gerhard Braus, Kyle Bowler, Maor Bar-Peled, Amir Sharon
In search of Botrytis cinerea cell death-inducing proteins, we found a xyloglucanase (BcXYG1), which induced strong necrosis and a resistance response in dicot plants. Expression of the BcXYG1 gene was strongly induced during the first 12 hours post inoculation, and analysis of disease dynamics using PathTrack{copyright, serif} showed that a B. cinerea strain over expressing BcXYG1 produced early local necrosis supporting a role of BcXYG1 as an early cell death-inducing factor. The xyloglucanase activity of BcXYG1 was not necessary for induction of necrosis and plant resistance, as a mutant of BcXYG1 lacking the xyloglucanase enzymatic activity retained both functions...
July 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28707362/left-atrial-pressure-and-predictors-of-survival-after-percutaneous-mitral-paravalvular-leak-closure
#6
Elad Maor, Claire E Raphael, Sidakpal S Panaich, Mohamad Alkhouli, Allison Cabalka, Donald J Hagler, Peter M Pollak, Guy S Reeder, Mackram F Eleid, Charanjit S Rihal
BACKGROUND: Data on the clinical utility of left atrial (LA) hemodynamic monitoring during percutaneous mitral interventions are limited. OBJECTIVES: To evaluate the association between intraprocedural LA pressures during percutaneous mitral paravalvular leak (PVL) closure and long term survival. METHODS: Patients who underwent mitral PVL repair with invasive LA pressure monitoring were divided at baseline to three tertiles based on their mean final LA pressure (<25%; 25-30%; >30% of mean systolic blood pressure)...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28706116/training-standards-in-neuroendovascular-surgery-program-accreditation-and-practitioner-certification
#7
REVIEW
Arthur L Day, Adnan H Siddiqui, Philip M Meyers, Tudor G Jovin, Colin P Derdeyn, Brian L Hoh, Howard Riina, Italo Linfante, Osama Zaidat, Aquilla Turk, Jay U Howington, J Mocco, Andrew J Ringer, Erol Veznedaroglu, Alexander A Khalessi, Elad I Levy, Henry Woo, Robert Harbaugh, Steven Giannotta
BACKGROUND AND PURPOSE: Neuroendovascular surgery is a medical subspecialty that uses minimally invasive catheter-based technology and radiological imaging to diagnose and treat diseases of the central nervous system, head, neck, spine, and their vasculature. To perform these procedures, the practitioner needs an extensive knowledge of the anatomy of the nervous system, vasculature, and pathological conditions that affect their physiology. A working knowledge of radiation biology and safety is essential...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28701982/negative-self-disclosure-on-the-web-the-role-of-guilt-relief
#8
Liat Levontin, Elad Yom-Tov
In this paper, we suggest people use anonymous online forums as platforms for self-disclosing actions they feel guilty about-such as transgressions and unethical behaviors-with the goal of achieving guilt relief through others' reactions. We support this proposition by analyzing field data extracted from Yahoo Answers, an online question-and-answer website. Our analysis shows the level of guilt relief an answer is expected to offer the "asker" (the self-disclosing person) is positively associated with the asker's likelihood of selecting that answer as the "best" response to the self-disclosure...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28692888/underlying-mechanisms-of-retained-placenta-evidence-from-a-population-based-cohort-study
#9
Shirley Greenbaum, Tamar Wainstock, Doron Dukler, Elad Leron, Offer Erez
OBJECTIVE: To determine risk factors for retained placenta, and to identify supporting epidemiologic evidence for the three previously-proposed mechanisms: (i) invasive placentation, (ii) placental hypo-perfusion, and (iii) inadequate uterine contractility. DESIGN: A retrospective population-based cohort study. SETTING AND POPULATION: Israeli population in the southern district. METHODS: Data were analyzed from a tertiary hospital database, between 1989 and 2014, using univariate tests and generalized estimating equation (GEE) multivariable models...
June 27, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28692174/effects-of-pyriproxifen-on-wild-populations-of-the-house-fly-musca-domestica-and-compatibility-with-its-principal-parasitoids
#10
Haim Biale, Christopher J Geden, Elad Chiel
BACKGROUND: The house fly, Musca domestica L., is an important pest of animal agriculture. Effective fly management requires integration of manure management, mass trapping, biological control, and selective insecticide use. Insecticidal control of house flies is difficult due to the rapidity of resistance development, yet the insect growth regulator pyriproxyfen (PPF) is one of few insecticides that may still be effective. Here, we tested the susceptibility of four wild house fly populations in the USA and in Israel to PPF, as well as the effect of PPF on house fly parasitoids of the genera Muscidifurax and Spalangia...
July 10, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28670274/differentially-severe-cognitive-effects-of-compromised-cerebral-blood-flow-in-aged-mice-association-with-myelin-degradation-and-microglia-activation
#11
Gilly Wolf, Amit Lotan, Tzuri Lifschytz, Hagar Ben-Ari, Tirzah Kreisel Merzel, Pavel Tatarskyy, Michael Valitzky, Ben Mernick, Elad Avidan, Nickolay Koroukhov, Bernard Lerer
Bilateral common carotid artery stenosis (BCAS) models the effects of compromised cerebral blood flow on brain structure and function in mice. We compared the effects of BCAS in aged (21 month) and young adult (3 month) female mice, anticipating a differentially more severe effect in the older mice. Four weeks after surgery there was a significant age by time by treatment interaction on the radial-arm water maze (RAWM; p = 0.014): on the first day of the test, latencies of old mice were longer compared to the latencies of young adult mice, independent of BCAS...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28636406/protective-effect-of-intravitreal-administration-of-exosomes-derived-from-mesenchymal-stem-cells-on-retinal-ischemia
#12
Elad Moisseiev, Johnathon D Anderson, Sharon Oltjen, Mayank Goswami, Robert J Zawadzki, Jan A Nolta, Susanna S Park
PURPOSE: Exosomes derived from human mesenchymal stem cells (hMSCs) cultured under hypoxic conditions contain proteins and growth factors that promote angiogenesis. This study investigated the effect of intravitreal administration of these exosomes on retinal ischemia using a murine model. METHODS: Oxygen-induced retinopathy (OIR) was induced by exposing one-week-old male C57BL/6J mice to 5 days of 75% hyperoxic conditioning, and returning to room air. After hyperoxic conditioning, the right eye of each mouse was injected intravitreally with 1 µl saline or exosomes derived from hMSCs and compared to control mice of the same age raised in room air without OIR injected intravitreally with saline...
June 21, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28636349/water-dynamics-from-the-surface-to-the-interior-of-a-supramolecular-nanostructure
#13
Julia H Ortony, Baofu Qiao, Christina J Newcomb, Timothy J Keller, Liam C Palmer, Elad Deiss-Yehiely, Monica Olvera de la Cruz, Songi Han, Samuel I Stupp
Water within and surrounding the structure of a biological system adopts context-specific dynamics that mediate virtually all of the events involved in the inner workings of a cell. These events range from protein folding and molecular recognition to the formation of hierarchical structures. Water dynamics are mediated by the chemistry and geometry of interfaces where water and biomolecules meet. Here we investigate experimentally and computationally the translational dynamics of vicinal water molecules within the volume of a supramolecular peptide nanofiber measuring 6...
June 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28632238/attitudes-among-nurses-toward-the-integration-of-complementary-medicine-into-supportive-cancer-care
#14
Eran Ben-Arye, Bella Shulman, Yael Eilon, Rachel Woitiz, Victoria Cherniak, Ilanit Shalom Sharabi, Osnat Sher, Hiba Reches, Yfat Katz, Michal Arad, Elad Schiff, Noah Samuels, Ofer Caspi, Shahar Lev-Ari, Moshe Frenkel, Abed Agbarya, Hana Admi
PURPOSE/OBJECTIVES: To explore the attitudes of nurses treating patients with cancer regarding the use of complementary and integrative medicine (CIM) therapies to reduce symptoms and improve quality of life (QOL). 
. DESIGN: Prospective and descriptive.
 
. SETTING: 12 hospital and community care settings in Israel. 
. SAMPLE: 973 nurses working in oncology and non-oncology departments.
. METHODS: A 26-item questionnaire was administered to a convenience sample of nurses treating patients with cancer...
July 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28630418/replacing-a-century-old-technique-modern-spectroscopy-can-supplant-gram-staining
#15
Shirly Berezin, Yaron Aviv, Hagit Aviv, Elad Goldberg, Yaakov R Tischler
Rapid and accurate Gram differentiation is paramount as the first step of pathogen identification and antibiotics administration. However, the current method requires additional reagents, is time-consuming, and is operator dependent. Here we show the principle of tip enhanced Raman spectroscopy (TERS) can differentiate between Gram negative and positive species, by detecting the changes in tip-enhancement in the Raman scattering from the bacteria's lipid-bilayer membrane, which specifically enhances Gram negative bacteria...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28626984/biologically-controlled-morphology-and-twinning-in-guanine-crystals
#16
Anna Hirsch, Benjamin A Palmer, Nadav Elad, Dvir Gur, Steve Weiner, Lia Addadi, Leeor Kronik, Leslie Leiserowitz
Guanine crystals are widely used in nature as components of multilayer reflectors. Guanine-based reflective systems found in the copepod cuticle and in the mirror of the scallop eye are unique in that the multilayered reflectors are tiled to form a contiguous packed array. In the copepod cuticle, hexagonal crystals are closely packed to produce brilliant colors. In the scallop eye, square crystals are tiled to obtain an image-forming reflecting mirror. The tiles are about 1 μm in size and 70 nm thick. According to analysis of their electron diffraction patterns, the hexagon and square tiles are not single crystals...
June 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28623174/sex-differences-in-the-management-and-5-year-outcome-of-young-patients-55y-with-acute-coronary-syndromes
#17
Avi Sabbag, Shlomi Matetzky, Avital Porter, Zaza Iakobishvili, Mady Moriel, Donna Zwas, Paul Fefer, Elad Asher, Roy Beigel, Shmuel Gottlieb, Ilan Goldenberg, Amit Segev
BACKGROUND: Young women are usually protected against coronary artery disease due to hormonal and risk-factor profile. Previous studies have suggested poorer outcome in women hospitalized with acute coronary syndrome as compared to men. However, when adjusted to age and other risk factors, this difference does not remain significant. We compared the risk-profile and outcome between young (≤55) women and men admitted with acute coronary syndrome. METHODS: We analyzed clinical characteristics, management strategies, and outcomes of men and women ≤55y enrolled in the biennial Acute Coronary Syndrome Israeli Surveys (ACSIS) between 2000 and 2013...
June 13, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28623173/outcomes-of-transcatheter-and-surgical-aortic-valve-replacement-in-patients-on-maintenance-dialysis
#18
Fahad Alqahtani, Sami Aljohani, Khaled Boobes, Elad Maor, Assem Sherieh, Charanjit S Rihal, David R Holmes, Mohamad Alkhouli
BACKGROUND: the introduction of transcatheter aortic valve replacement (TAVR) expanded definitive therapy of aortic stenosis to many high-risk patients, but it has not been fully evaluated in the dialysis population. OBJECTIVES: We aimed to evaluate the current trend and in-hospital outcome of Surgical aortic valve replacement (SAVR) and TAVR in the dialysis population. METHODS: Severe aortic stenosis patients on maintenance dialysis who underwent SAVR or TAVR in the Nationwide Inpatient Sample database (NIS) from January 1, 2005, through December 31, 2014, were included in our comparative analysis...
June 13, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28622373/a-versatile-and-low-cost-open-source-pipetting-robot-for-automation-of-toxicological-and-ecotoxicological-bioassays
#19
Sebastian Steffens, Leonie Nüßer, Thomas-Benjamin Seiler, Nadine Ruchter, Mark Schumann, Ricarda Döring, Catrina Cofalla, Avi Ostfeld, Elad Salomons, Holger Schüttrumpf, Henner Hollert, Markus Brinkmann
In the past decades, bioassays and whole-organism bioassay have become important tools not only in compliance testing of industrial chemicals and plant protection products, but also in the monitoring of environmental quality. With few exceptions, such test systems are discontinuous. They require exposure of the biological test material in small units, such as multiwell plates, during prolonged incubation periods, and do not allow online read-outs. It is mostly due to these shortcomings that applications in continuous monitoring of, e...
2017: PloS One
https://www.readbyqxmd.com/read/28612389/biochar-potential-in-intensive-cultivation-of-capsicum-anuum-l-sweet-pepper-crop-yield-and-plant-protection
#20
Abhay Kumar, Yigal Elad, Ludmila Tsechansky, Vikas Abrol, Beni Lew, Rivka Offenbach, Ellen R Graber
BACKGROUND: The influence of various biochars on crop yield and disease resistance of Capsicum anuum L. (sweet pepper) under modern, high-input, intensive net house cultivation was tested over the course of 2011 to 2014 in the Arava desert region of Israel. A pot experiment with Lactuca sativa L. (lettuce) grown in the absence of fertilizer employed the 3-year old field trial soils to determine if biochar treatments contributed to soil intrinsic fertility. RESULTS: Biochar amendments resulted in a significant increase in number and weight of pepper fruits over three years...
June 14, 2017: Journal of the Science of Food and Agriculture
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