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https://www.readbyqxmd.com/read/28542100/global-spinal-alignment-in-patients-with-cervical-spondylotic-myelopathy
#1
Go Yoshida, Abdulmajeed Alzakri, Vincent Pointillart, Louis Boissiere, Ibrahim Obeid, Yukihiro Matsuyama, Jean Marc Vital, Olivier Gille
STUDY DESIGN: Prospective radiographic analysis of cervical spondylotic myelopathy (CSM) OBJECTIVE.: To clarify the pathophysiology of CSM, and use the characteristic of global spinal alignment for determining the surgical strategy. SUMMARY OF BACKGROUND DATA: Radiographic evaluation of CSM, in general, comprises cervical magnetic resonance imaging (MRI) and regional cervical radiography, which cannot distinguish between cervical hyperlodorsis with spinopelvic compensation and cervical lordorsis with normal global alignment...
May 24, 2017: Spine
https://www.readbyqxmd.com/read/28537129/perioperative-outcomes-of-thoracic-outlet-syndrome-surgical-repair-in-a-nationally-validated-database
#2
Besma Nejim, Husain N Alshaikh, Isibor Arhuidese, Tammam Obeid, Ying Wei Lum, Joseph Canner, Satinderjit S Locham, Mahmoud Malas
We evaluated the occurrence of thoracic outlet syndrome (TOS) and 30-day postoperative outcomes. Patients undergoing cervical/first rib resection surgery were identified in the American College of Surgeons National Surgical Quality Improvement Program database (2005-2013). Thoracic outlet syndrome types were then examined. Propensity score matching was performed to account for potential confounders; 1180 patients were explored during the study period, 1007 (85.3%) were of the neurogenic TOS (NTOS), 32 (2.7%) patients had arterial TOS (ATOS), and 141 (12...
July 2017: Angiology
https://www.readbyqxmd.com/read/28513591/zinc-is-a-potent-and-specific-inhibitor-of-ifn-%C3%AE-3-signalling
#3
Scott A Read, Kate S O'Connor, Vijay Suppiah, Chantelle L E Ahlenstiel, Stephanie Obeid, Kristina M Cook, Anthony Cunningham, Mark W Douglas, Philip J Hogg, David Booth, Jacob George, Golo Ahlenstiel
Lambda interferons (IFNL, IFN-λ) are pro-inflammatory cytokines important in acute and chronic viral infection. Single-nucleotide polymorphisms rs12979860 and rs8099917 within the IFNL gene locus predict hepatitis C virus (HCV) clearance, as well as inflammation and fibrosis progression in viral and non-viral liver disease. The underlying mechanism, however, is not defined. Here we show that the rs12979860 CC genotype correlates with increased hepatic metallothionein expression through increased systemic zinc levels...
May 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28501656/perioperative-outcomes-of-open-versus-endovascular-repair-for-ruptured-thoracoabdominal-aneurysms
#4
Satinderjit S Locham, Joshua C Grimm, Isibor J Arhuidese, Besma Nejim, Tammam Obeid, James H Black, Mahmoud B Malas
OBJECTIVES: Open aneurysm repair (OAR) remains the gold standard for treating ruptured thoracoabdominal-aortic-aneurysms (TAAA). The aim of our study is to compare the 30-day post-operative outcomes among patients with ruptured TAAA undergoing OAR versus endovascular aneurysm repair. METHODS: Using the NSQIP database (2006-2015), we identified patients who underwent OAR and endovascular repair for a ruptured TAAA. Postoperative outcomes of interest included: mortality, renal failure, stroke, and cardiopulmonary complications...
May 10, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28490444/inhibiting-glucosylceramide-synthase-exacerbates-cisplatin-induced-acute-kidney-injury
#5
Tess V Dupre, Mark A Doll, Parag P Shah, Cierra N Sharp, Deanna Siow, Judit Megyesi, James Shayman, Alicja Bielwska, Jacek Bielawski, Levi J Beverly, Maria Hernandez-Corbacho, Christopher J Clarke, Ashley J Snider, Rick G Schnellmann, Lina M Obeid, Yusuf A Hannun, Leah J Siskind
Acute kidney injury (AKI), resulting from chemotherapeutic agents such as cisplatin, remains an obstacle in the treatment of cancer. Cisplatin-induced AKI involves apoptotic and necrotic cell death, pathways regulated by sphingolipids such as ceramide and glucosylceramide. Results from this study indicate that C57BL/6J mice treated with cisplatin had increased ceramide and hexosylceramide levels in the renal cortex 72 h following cisplatin treatment. Pre-treatment of mice with inhibitors of acid sphingomyelinase and de novo ceramide synthesis (amitriptyline and myriocin, respectively) prevented accumulation of ceramides and hexosylceramide in the renal cortex and protected from cisplatin-induced AKI...
May 10, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28484932/islamic-religious-leaders-in-israel-as-social-agents-for-change-on-health-related-issues
#6
Michal Cohen-Dar, Samira Obeid
Islamic religious leaders (IRLs) have the potential to influence health education, health promotion, and positive health outcomes among their own communities. This study aims to examine the role and effectiveness of Arab Muslim religious leaders, in Israel, as social agents for change on health-related issues, focusing on reduction in infant mortality, prematurity, and congenital malformations attributed to consanguineous marriage. A self-administrated questionnaire was distributed to 127 IRLs, in 2012, to gain insights into practice, attitudes, and perceptions of IRLs toward their role as social agents for change on health-related issues...
May 8, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28473472/ubiquitination-of-nuclear-receptors
#7
REVIEW
Jimmy El Hokayem, Celeste Amadei, Jean-Pierre Obeid, Zafar Nawaz
Nuclear receptors (NRs) are cellular proteins, which upon ligand activation, act to exert regulatory control over transcription and subsequent expression. Organized via systemic classification into seven subfamilies, NRs partake in modulating a vast expanse of physiological functions essential for maintenance of life. NRs display particular characteristics towards ubiquitination, the process of addition of specific ubiquitin tags at appropriate locations. Orchestrated through groups of enzymes harboring a diverse array of specialized structural components, the ubiquitination process emphatically alters the fate or downstream effects of NRs...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28454778/decision-analysis-to-identify-the-ideal-treatment-for-adult-spinal-deformity-what-is-the-impact-of-complications-on-treatment-outcomes
#8
Emre Acaroglu, Umit Ozgur Guler, Aysun Cetinyurek-Yavuz, Selcen Yuksel, Yasemin Yavuz, Selim Ayhan, Montse Domingo-Sabat, Ferran Pellise, Ahmet Alanay, Francesco S Perez Grueso, Frank Kleinstück, Ibrahim Obeid
OBJECTIVE: The aim of this study was to analyze the impact of treatment complications on outcomes in adult spinal deformity (ASD) using a decision analysis (DA) model. METHODS: The study included 535 ASD patients (371 with non-surgical (NS) and 164 with surgical (S) treatment) from an international multicentre database of ASD patients. DA was structured in two main steps; 1) Baseline analysis (Assessing the probabilities of outcomes, Assessing the values of preference -utilities-, Combining information on probability and utility and assigning the quality adjusted life expectancy (QALE) for each treatment) and 2) Sensitivity analysis...
April 25, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28447203/the-effectiveness-of-daily-supplementation-with-400-or-800%C3%A2-%C3%A2%C2%B5g-day-folate-in-reaching-protective-red-blood-folate-concentrations-in-non-pregnant-women-a-randomized-trial
#9
Rima Obeid, Christiane Schön, Manfred Wilhelm, Klaus Pietrzik, Stefan Pilz
PURPOSE: Folate required to achieve desirable red blood cell (RBC) folate concentrations within 4-8 weeks pre-pregnancy is not known. We studied the effect of supplementation with 400 or 800 µg/day folate in achieving RBC-folate ≥906 nmol/L. METHODS: Non-pregnant women were randomized to receive multinutrient supplements containing 400 µg/day (n = 100) or 800 µg/day (n = 101) folate [folic acid and (6S)-5-CH3-H4folate-Ca (1:1)]. The changes of folate biomarkers were studied after 4 and 8 weeks in the 198 women who returned at least for visit 2...
April 26, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28441388/a-population-based-approach-for-implementing-change-from-opt-out-to-opt-in-research-permissions
#10
Elizabeth A Marshall, Jim C Oates, Azza Shoaibi, Jihad S Obeid, Melissa L Habrat, Robert W Warren, Kathleen T Brady, Leslie A Lenert
Due to recently proposed changes in the Common Rule regarding the collection of research preferences, there is an increased need for efficient methods to document opt-in research preferences at a population level. Previously, our institution developed an opt-out paper-based workflow that could not be utilized for research in a scalable fashion. This project was designed to demonstrate the feasibility of implementing an electronic health record (EHR)-based active opt-in research preferences program. The first phase of implementation required creating and disseminating a patient questionnaire through the EHR portal to populate discreet fields within the EHR indicating patients' preferences for future research study contact (contact) and their willingness to allow anonymised use of excess tissue and fluid specimens (biobank)...
2017: PloS One
https://www.readbyqxmd.com/read/28437244/second-transcatheter-closure-for-residual-shunt-following-percutaneous-closure-of-patent-foramen-ovale
#11
Njomeza Susuri, Slayman Obeid, Mirjam Ulmi, George Cm Siontis, Andreas Wahl, Stephan Windecker, Fabian Nietlispach, Bernhard Meier, Fabien Praz
AIMS: Residual shunt following percutaneous patent foramen ovale (PFO) closure has been described in up to 49% of the patients and is associated with recurrent cerebrovascular events. Our aim was to evaluate the safety, feasibility, and mid-term outcomes of transcatheter residual shunt closure. METHODS AND RESULTS: From 1994 to July 2016, 2679 patients underwent transcatheter PFO closure for treatment of presumed paradoxical embolism at our institution. Among them, 100 patients (3...
April 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28418452/multigene-panel-testing-and-breast-cancer-risk-is-it-time-to-scale-down
#12
Elias I Obeid, Michael J Hall, Mary B Daly
No abstract text is available yet for this article.
April 13, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28414327/a-novel-antibody-against-cancer-stem-cell-biomarker-dclk1-s-is-potentially-useful-for-assessing-colon-cancer-risk-after-screening-colonoscopy
#13
Shubhashish Sarkar, Vsevolod L Popov, Malaney R O'Connell, Heather L Stevenson, Brian S Lee, Robert A Obeid, Gurinder K Luthra, Pomila Singh
DCLK1 expression is critically required for maintaining growth of human colon cancer cells (hCCCs). Human colorectal tumors (CRCs) and hCCCs express a novel short isoform of DCLK1 (DCLK1-S; isoform 2) from β-promoter of hDCLK1 gene, while normal colons express long isoform (DCLK1-L; isoform 1) from 5'(α)-promoter, suggesting that DCLK1-S, and not DCLK1-L, marks cancer stem cells (CSCs). Even though DCLK1-S differs from DCLK1-L by only six amino acids, we succeeded in generating a monospecific DCLK1-S-Antibody (PS41014), which does not cross-react with DCLK1-L, and specifically detects CSCs...
April 17, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28410828/early-onset-symptomatic-neuropathy-in-a-child-with-type-1-diabetes-mellitus
#14
Obeid Mohammad Shafi, Muzamil Latief
Diabetic neuropathy (DN) is a major complication of Type 1 Diabetes Mellitus (T1DM). It is usually subclinical in childhood, but can cause significant impairment with its progression through to adulthood. Current guidelines vary in their recommendation regarding screening for DN in children with T1DM, with some advocating starting screening 5 years after the diagnosis of T1DM. Clinical assessment comprising of history and neurological examination is the most commonly used method for screening, though Nerve Conduction Studies (NCS) provide better sensitivity in picking up early subclinical diabetic neuropathy...
April 5, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28409192/can-local-radiotherapy-and-il-12-synergise-to-overcome-the-immunosuppressive-tumor-microenvironment-and-allow-in-situ-tumor-vaccination
#15
Gaël Deplanque, Keyvan Shabafrouz, Michel Obeid
The abscopal effect, which is the spontaneous regression of tumors or metastases outside the radiation field, occurs rarely in cancer patients. Interestingly, radiotherapy (RT) triggers an immunogenic cell death (ICD) that is able to generate tumor-specific cytotoxic CD8(+) T cells that are efficient in killing cancer cells. The key question is: why is this "abscopal effect" so uncommon in cancer patients treated with RT? Most probably, the main reason may be related to the highly immunosuppressive tumor microenvironment of well-established tumors that constantly antagonizes the anti-tumor immune responses triggered by RT...
April 13, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28387780/-oligo-aromatic-species-with-one-or-two-conjugated-si-double-bond-length-as-m-dash-si-bonds-near-ir-emission-of-anthracenyl-bridged-tetrasiladiene
#16
Naim M Obeid, Lukas Klemmer, Daniel Maus, Michael Zimmer, Jonathan Jeck, Iulia Bejan, Andrew J P White, Volker Huch, Gregor Jung, David Scheschkewitz
A series of aryl disilenes Tip2Si[double bond, length as m-dash]Si(Tip)Ar (2a-c) and para-arylene bridged tetrasiladienes, Tip2Si[double bond, length as m-dash]Si(Tip)-LU-Si(Tip)[double bond, length as m-dash]SiTip2 (3a-d) are synthesized by the transfer of the Tip2Si[double bond, length as m-dash]SiTip unit to aryl halides and dihalides by nucleophilic disilenides Tip2Si[double bond, length as m-dash]SiTipLi (Tip = 2,4,6-iPr3C6H2, Ar = aryl substituent, LU = para-arylene linking unit). The scope of the nucleophilic Si[double bond, length as m-dash]Si transfer reaction is demonstrated to also include substrates of considerable steric bulk such as mesityl or duryl halides Ar-X (Ar = Mes = 2,4,6-Me3C6H2; Ar = Dur = 2,3,5,6-Me4C6H, X = Br or I)...
April 7, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28379892/evaluation-of-arterial-stiffness-by-finger-toe-pulse-wave-velocity-optimization-of-signal-processing-and-clinical-validation
#17
Hasan Obeid, Hakim Khettab, Louise Marais, Magid Hallab, Stéphane Laurent, Pierre Boutouyrie
BACKGROUND: Carotid-femoral pulse wave velocity (PWV) (cf-PWV) is the gold standard for measuring aortic stiffness. Finger-toe PWV (ft-PWV) is a simpler noninvasive method for measuring arterial stiffness. Although the validity of the method has been previously assessed, its accuracy can be improved. ft-PWV is determined on the basis of a patented height chart for the distance and the pulse transit time (PTT) between the finger and the toe pulpar arteries signals (ft-PTT). METHOD: The objective of the first study, performed in 66 patients, was to compare different algorithms (intersecting tangents, maximum of the second derivative, 10% threshold and cross-correlation) for determining the foot of the arterial pulse wave, thus the ft-PTT...
April 4, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28377281/novel-sphingosine-kinase-1-inhibitor-lcl351-reduces-immune-responses-in-murine-dss-induced-colitis
#18
Michael J Pulkoski-Gross, Joachim D Uys, K Alexa Orr-Gandy, Nicolas Coant, Agnieszka B Bialkowska, Zdzislaw M Szulc, Aiping Bai, Alicja Bielawska, Danyelle M Townsend, Yusuf A Hannun, Lina M Obeid, Ashley J Snider
Sphingosine-1-phosphate (S1P) is a biologically active sphingolipid metabolite which has been implicated in many diseases including cancer and inflammatory diseases. Recently, sphingosine kinase 1 (SK1), one of the isozymes which generates S1P, has been implicated in the development and progression of inflammatory bowel disease (IBD). Based on our previous work, we set out to determine the efficacy of a novel SK1 selective inhibitor, LCL351, in a murine model of IBD. LCL351 selectively inhibits SK1 both in vitro and in cells...
May 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28361369/lack-of-improvement-in-health-related-quality-of-life-hrqol-scores-6%C3%A2-months-after-surgery-for-adult-spinal-deformity-asd-predicts-high-revision-rate-in-the-second-postoperative-year
#19
Anouar Bourghli, Louis Boissiere, Daniel Larrieu, Jean-Marc Vital, Caglar Yilgor, Ferran Pellisé, Ahmet Alanay, Emre Acaroglu, Francisco-Javier Perez-Grueso, Franck Kleinstück, Ibrahim Obeid
PURPOSE: ASD is assessed radiologically with the spinopelvic parameters and clinically with HRQOL scores. The revision rate after ASD surgery is high and usually occurs during the first or second postoperative year. The aim of this study is to find clinical or radiological factors that could predict revision surgery in the second postoperative year. MATERIALS AND METHODS: Inclusion criterion: ASD patients operated on by instrumented posterior fusion with more than 2 years follow-up were enrolled prospectively...
March 30, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28350553/impact-of-allogeneic-hematopoietic-stem-cell-transplantation-on-the-hiv-reservoir-and-immune-response-in-three-hiv-infected-individuals
#20
K K Koelsch, T A Rasmussen, W J Hey-Nguyen, C Pearson, Y Xu, M Bailey, K H Marks, S C Sasson, M S Taylor, R Tantau, S Obeid, B Milner, C O Morrissey, A N Pinto, K Suzuki, M P Busch, S M Keating, P Kaiser, S Yukl, J K Wong, B M Hiener, S Palmer, J Zaunders, J J Post, D J Chan, S Avery, S T Milliken, A D Kelleher, S R Lewin, D A Cooper
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (HSCT) can lead to significant changes to the HIV reservoir and HIV immune responses, indicating that further characterisation of HIV infected patients undergoing HSCT is warranted. METHODS: We studied three patients who underwent HSCT after either reduced intensity conditioning or myeloablative conditioning regimen. We measured HIV antigens and antibodies (Ag/Ab), HIV specific CD4+ T cell responses, HIV RNA and DNA in plasma, peripheral blood mononuclear cells (PBMCs), isolated CD4+ T cells from peripheral blood and lymph node cells...
March 24, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
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