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https://www.readbyqxmd.com/read/28087884/the-role-of-immunoglobulin-prophylaxis-for-prevention-of-cytomegalovirus-infection-in-pediatric-hematopoietic-stem-cell-transplantation-recipients
#1
Gal Goldstein, Tal Frenkel Rutenberg, Sarina Levy Mendelovich, Daphna Hutt, Michal Teperberg Oikawa, Amos Toren, Bella Bielorai
BACKGROUND: Following cessation of intravenous immunoglobulin (IVIg) administration for allogeneic hematopoietic stem cell transplantation (HSCT) recipients at our unit, we observed a sharp decline in the incidence of cytomegalovirus (CMV) infection. PROCEDURE: We conducted a retrospective study of the role of IVIg in the prevention of CMV infection in children and young adults who underwent HSCT from matched related donor. RESULTS: We included 109 patients (IVIg+/IVIg- ratio 82/27)...
January 14, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28087490/longitudinal-multiple-sclerosis-lesion-segmentation-resource-challenge
#2
Aaron Carass, Snehashis Roy, Amod Jog, Jennifer L Cuzzocreo, Elizabeth Magrath, Adrian Gherman, Julia Button, James Nguyen, Ferran Prados, Carole H Sudre, Manuel Jorge Cardoso, Niamh Cawley, Olga Ciccarelli, Claudia A M Wheeler-Kingshott, Sébastien Ourselin, Laurence Catanese, Hrishikesh Deshpande, Pierre Maurel, Olivier Commowick, Christian Barillot, Xavier Tomas-Fernandez, Simon K Warfield, Suthirth Vaidya, Abhijith Chunduru, Ramanathan Muthuganapathy, Ganapathy Krishnamurthi, Andrew Jesson, Tal Arbel, Oskar Maier, Heinz Handels, Leonardo O Iheme, Devrim Unay, Saurabh Jain, Diana M Sima, Dirk Smeets, Mohsen Ghafoorian, Bram Platel, Ariel Birenbaum, Hayit Greenspan, Pierre-Louis Bazin, Peter A Calabresi, Ciprian M Crainiceanu, Lotta M Ellingsen, Daniel S Reich, Jerry L Prince, Dzung L Pham
In conjunction with the ISBI 2015 conference, we organized a longitudinal lesion segmentation challenge providing training and test data to registered participants. The training data consisted of five subjects with a mean of 4.4 time-points, and test data of fourteen subjects with a mean of 4.4 time-points. All 82 data sets had the white matter lesions associated with multiple sclerosis delineated by two human expert raters. Eleven teams submitted results using state-of-the-art lesion segmentation algorithms to the challenge, with ten teams presenting their results at the conference...
January 10, 2017: NeuroImage
https://www.readbyqxmd.com/read/28081023/a-case-study-of-hemochromatosis-and-conflicting-point-shear-wave-measurements-in-the-assessment-of-liver-fibrosis
#3
Tal Cohen, Richard G Barr
There are multiple factors that affect the shear wave speed in the assessment of liver stiffness. In this case report, we present a case of hemochromatosis that has elevated liver stiffness suggestive of significant fibrosis or cirrhosis; however on liver biopsy, no fibrosis was identified. This article will discuss the possibility that liver iron deposition may affect SWE measurements of the liver, leading to inaccurate assessment of liver fibrosis. In these cases, a liver biopsy may be required for accurate liver assessment...
January 9, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28076786/porphyromonas-gingivalis-promotes-unrestrained-type-i-interferon-production-by-dysregulating-tam-signaling-via-myd88-degradation
#4
Gabriel Mizraji, Maria Nassar, Hadas Segev, Hafiz Sharawi, Luba Eli-Berchoer, Tal Capucha, Tsipora Nir, Yaara Tabib, Avraham Maimon, Shira Dishon, Lior Shapira, Gabriel Nussbaum, Asaf Wilensky, Avi-Hai Hovav
Whereas type I interferons (IFNs-I) were proposed to be elevated in human periodontitis, their role in the disease remains elusive. Using a bacterial-induced model of murine periodontitis, we revealed a prolonged elevation in IFN-I expression. This was due to the downregulation of TAM signaling, a major negative regulator of IFN-I. Further examination revealed that the expression of certain TAM components was reduced as a result of prolonged degradation of MYD88 by the infection. As a result of such prolonged IFN-I production, innate immunological functions of the gingiva were disrupted, and CD4(+) T cells were constitutively primed by dendritic cells, leading to elevated RANKL expression and, subsequently, alveolar bone loss (ABL)...
January 10, 2017: Cell Reports
https://www.readbyqxmd.com/read/28072770/an-optical-probe-of-synaptic-plasticity
#5
Tal Laviv, Ryohei Yasuda
No abstract text is available yet for this article.
January 10, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28071339/life-sciences-r-d-technology-highlights
#6
Tal Murthy, Xiaole Mao
No abstract text is available yet for this article.
February 2016: Journal of Laboratory Automation
https://www.readbyqxmd.com/read/28071220/life-sciences-discovery-and-technology-highlights
#7
Xiaole Mao, Tal Murthy
No abstract text is available yet for this article.
April 2016: Journal of Laboratory Automation
https://www.readbyqxmd.com/read/28069708/ubiquitylation-dependent-oligomerization-regulates-activity-of-nedd4-ligases
#8
Ilan Attali, William Sam Tobelaim, Avinash Persaud, Khatereh Motamedchaboki, Kobi J Simpson-Lavy, Bayan Mashahreh, Olga Levin-Kravets, Tal Keren-Kaplan, Inbar Pilzer, Martin Kupiec, Reuven Wiener, Dieter A Wolf, Daniela Rotin, Gali Prag
Ubiquitylation controls protein function and degradation. Therefore, ubiquitin ligases need to be tightly controlled. We discovered an evolutionarily conserved allosteric restraint mechanism for Nedd4 ligases and demonstrated its function with diverse substrates: the yeast soluble proteins Rpn10 and Rvs167, and the human receptor tyrosine kinase FGFR1 and cardiac IKS potassium channel. We found that a potential trimerization interface is structurally blocked by the HECT domain α1-helix, which further undergoes ubiquitylation on a conserved lysine residue...
January 9, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28069640/sequence-variation-in-ppp1r13l-results-in-a-novel-form-of-cardio-cutaneous-syndrome
#9
Tzipora C Falik-Zaccai, Yiftah Barsheshet, Hanna Mandel, Meital Segev, Avraham Lorber, Shachaf Gelberg, Limor Kalfon, Shani Ben Haroush, Adel Shalata, Liat Gelernter-Yaniv, Sarah Chaim, Dorith Raviv Shay, Morad Khayat, Michal Werbner, Inbar Levi, Yishay Shoval, Galit Tal, Stavit Shalev, Eli Reuveni, Emily Avitan-Hersh, Eugene Vlodavsky, Liat Appl-Sarid, Dorit Goldsher, Reuven Bergman, Zvi Segal, Ora Bitterman-Deutsch, Orly Avni
Dilated cardiomyopathy (DCM) is a life-threatening disorder whose genetic basis is heterogeneous and mostly unknown. Five Arab Christian infants, aged 4-30 months from four families, were diagnosed with DCM associated with mild skin, teeth, and hair abnormalities. All passed away before age 3. A homozygous sequence variation creating a premature stop codon at PPP1R13L encoding the iASPP protein was identified in three infants and in the mother of the other two. Patients' fibroblasts and PPP1R13L-knocked down human fibroblasts presented higher expression levels of pro-inflammatory cytokine genes in response to lipopolysaccharide, as well as Ppp1r13l-knocked down murine cardiomyocytes and hearts of Ppp1r13l-deficient mice...
January 9, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28067630/novel-swine-model-of-ricin-induced-acute-respiratory-distress-syndrome
#10
Shahaf Katalan, Reut Falach, Amir Rosner, Michael Goldvaser, Tal Brosh-Nissimov, Ayana Dvir, Avi Mizrachi, Orr Goren, Barak Cohen, Yoav Gal, Anita Sapoznikov, Sharon Ehrlich, Tamar Sabo, Chanoch Kronman
Pulmonary exposure to the plant toxin ricin, leads to respiratory insufficiency and death. To date, in-depth study of the functional disorders ensuing pulmonary intoxication, a prerequisite for establishing a clinically-relevant therapeutic protocol, is hampered by the lack of an appropriate animal model. To this end, we set up the pig, as a large animal model for the comprehensive study of the multifarious clinical manifestations of pulmonary ricinosis.Here we report for the first time, the monitoring of barometric whole body plethysmography for pulmonary function tests in non-anesthetized ricin-intoxicated pigs...
January 6, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28063574/interventions-et-techniques-de-diagnostic-pr%C3%A3-natal-visant-l-obtention-d-un-pr%C3%A3-l%C3%A3-vement-f%C3%A5-tal-%C3%A3-des-fins-diagnostiques-risques-et-avantages-pour-la-m%C3%A3-re-et-le-f%C3%A5-tus
#11
R Douglas Wilson, Alain Gagnon, François Audibert, Carla Campagnolo, June Carroll
OBJECTIF: Offrir aux fournisseurs de soins de maternité et à leurs patientes des lignes directrices factuelles contemporaines en ce qui concerne les services de counseling traitant des risques et des avantages maternels propres à la tenue des interventions diagnostiques prénatales orientées par échographie (et/ou des techniques permettant l'établissement d'un diagnostic génétique) nécessaires dans les cas où il a été établi pendant la période prénatale que la grossesse serait exposée à des risques, ainsi qu'en ce qui concerne la prise de décisions subséquentes quant à la prise en charge de la grossesse (questions abordant des aspects tels que le niveau du fournisseur de soins obstétricaux, la surveillance prénatale, le lieu où devraient se dérouler les soins et l'accouchement, et la décision de poursuivre ou d'interrompre la grossesse)...
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28063551/d%C3%A3-claration-de-principe-commune-sogc-car-sur-l-utilisation-non-m%C3%A3-dicale-de-l-%C3%A3-chographie-f%C3%A5-tal
#12
Shia Salem, Kenneth Lim, Michiel C Van den Hof
No abstract text is available yet for this article.
December 2016: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28062479/loss-of-macrophage-wnt-secretion-improves-remodeling-and-function-after-myocardial-infarction-in-mice
#13
Dahlia Palevski, La-Paz Levin-Kotler, David Kain, Nili Naftali-Shani, Natalie Landa, Tammy Ben-Mordechai, Tal Konfino, Radka Holbova, Natali Molotski, Rina Rosin-Arbesfeld, Richard A Lang, Jonathan Leor
BACKGROUND: Macrophages and Wnt proteins (Wnts) are independently involved in cardiac development, response to cardiac injury, and repair. However, the role of macrophage-derived Wnts in the healing and repair of myocardial infarction (MI) is unknown. We sought to determine the role of macrophage Wnts in infarct repair. METHODS AND RESULTS: We show that the Wnt pathway is activated after MI in mice. Furthermore, we demonstrate that isolated infarct macrophages express distinct Wnt pathway components and are a source of noncanonical Wnts after MI...
January 6, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28060602/patient-violence-toward-psychiatric-health-care-workers-in-israel-as-viewed-through-incident-reports
#14
Tal Drori, Hava Guetta, Merav Ben Natan, Yaakov Polakevich
BACKGROUND: Rates of violence perpetrated by patients toward health care workers are known to be higher in psychiatry than in other fields. Objective standardized reports of violent incidents may clarify this phenomenon. OBJECTIVE: The purpose of this study was to assess the characteristics of patient violence, as evident from objective reports. STUDY DESIGN: In this retrospective chart review study, conducted at a large mental health hospital in Israel between 2013 and 2015, reports of violent incidents perpetrated by people diagnosed with mental health problems against health care workers of the hospital were reviewed...
January 1, 2017: Journal of the American Psychiatric Nurses Association
https://www.readbyqxmd.com/read/28055177/effect-of-genomic-integration-location-on-heterologous-protein-expression-and-metabolic-engineering-in-e-coli
#15
Jacob A Englaender, John Andrew Jones, Brady F Cress, Thomas E Kuhlman, Robert J Linhardt, Mattheos A G Koffas
Chromosomal integration offers a selection-free alternative to DNA plasmids for expression of foreign proteins and metabolic pathways. Episomal plasmid DNA is convenient but has drawbacks including increased metabolic burden and the requirement for selection in the form of antibiotics. E. coli has long been used for the expression of foreign proteins and for the production of valuable metabolites by expression of complete metabolic pathways. The gene encoding the fluorescent reporter protein mCherry was integrated into four genomic loci on the E...
January 5, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28053326/scanning-the-horizon-towards-transparent-and-reproducible-neuroimaging-research
#16
Russell A Poldrack, Chris I Baker, Joke Durnez, Krzysztof J Gorgolewski, Paul M Matthews, Marcus R Munafò, Thomas E Nichols, Jean-Baptiste Poline, Edward Vul, Tal Yarkoni
Functional neuroimaging techniques have transformed our ability to probe the neurobiological basis of behaviour and are increasingly being applied by the wider neuroscience community. However, concerns have recently been raised that the conclusions that are drawn from some human neuroimaging studies are either spurious or not generalizable. Problems such as low statistical power, flexibility in data analysis, software errors and a lack of direct replication apply to many fields, but perhaps particularly to functional MRI...
January 5, 2017: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/28049839/gas6-is-a-key-homeostatic-immunological-regulator-of-host-commensal-interactions-in-the-oral-mucosa
#17
Maria Nassar, Yaara Tabib, Tal Capucha, Gabriel Mizraji, Tsipora Nir, Meirav Pevsner-Fischer, Gili Zilberman-Schapira, Oded Heyman, Gabriel Nussbaum, Herve Bercovier, Asaf Wilensky, Eran Elinav, Tal Burstyn-Cohen, Avi-Hai Hovav
The oral epithelium contributes to innate immunity and oral mucosal homeostasis, which is critical for preventing local inflammation and the associated adverse systemic conditions. Nevertheless, the mechanisms by which the oral epithelium maintains homeostasis are poorly understood. Here, we studied the role of growth arrest specific 6 (GAS6), a ligand of the TYRO3-AXL-MERTK (TAM) receptor family, in regulating oral mucosal homeostasis. Expression of GAS6 was restricted to the outer layers of the oral epithelium...
January 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28041879/mapping-whole-transcriptome-splicing-in-mouse-hematopoietic-stem-cells
#18
Oron Goldstein, Karin Meyer, Yariv Greenshpan, Nir Bujanover, Mili Feigin, Hadas Ner-Gaon, Tal Shay, Roi Gazit
Hematopoietic stem cells (HSCs) are rare cells that generate all the various types of blood and immune cells. High-quality transcriptome data have enabled the identification of significant genes for HSCs. However, most genes are expressed in various forms by alternative splicing (AS), extending transcriptome complexity. Here, we delineate AS to determine which isoforms are expressed in mouse HSCs. Our analysis of microarray and RNA-sequencing data includes differential expression of splicing factors that may regulate AS, and a complete map of splicing isoforms...
January 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28039937/quantitative-evaluation-of-the-effects-of-urinary-stone-composition-and-size-on-color-doppler-twinkling-artifact-a-phantom-study
#19
Mengmeng Shang, Xiao Sun, Qing Liu, Jie Li, Dandan Shi, Song Ning, Lin Cheng
OBJECTIVES: The present study was conducted to quantitatively evaluate the influence of urinary stone composition and size on color Doppler twinkling artifact. METHODS: Calcium oxalate monohydrate (COM), apatite, L-cystine, and uric acid (UA) stone phantoms with 10 different sizes were prepared artificially and embedded in the renal sinus of porcine kidneys in vitro. Color Doppler ultrasound scanning was performed on the phantoms and TA pictures were recorded. The length of the twinkling artifact (TAL) and width of twinkling artifact (TAW) were measured...
December 31, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28039936/detectability-of-hygroscopic-clips-used-in-breast-cancer-surgery
#20
Moshe Carmon, Oded Olsha, David Gekhtman, Irena Nikitin, Yamin Cohen, Michael Messing, Natali Lioubashevsky, Ribhi Abu Dalo, Tal Hadar, Eliahu Golomb
Sonographically detectable clips were introduced over the last decade. We retrospectively studied the rate and duration of sonographically detectable clip detectability in patients with breast cancer who had sonographically detectable clips inserted over a 2-year period. Nine of 26 patients had neoadjuvant chemotherapy, with all clips remaining detectable 140 to 187 days after insertion. Six of the 9 had intraoperative sonographic localization, with 1 reoperation (17%). Eleven additional patients with nonpalpable tumors and sonographically detectable clips had intraoperative sonographic localization with 1 reoperation (9%)...
December 31, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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