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https://www.readbyqxmd.com/read/28937955/military-blast-injury-and-chronic-neurodegeneration-research-presentations-from-the-2015-international-state-of-the-science-meeting
#1
Denes Agoston, Peethambaran Arun, Patrick Bellgowan, Steven Broglio, Robert Cantu, David Cook, Uade Olaghere da Silva, Dara Dickstein, Gregory Elder, Elizabeth Fudge, Sam Gandy, Jessica Gill, John F Glenn, Raj K Gupta, Sidney Hinds, Stuart Hoffman, Theresa Lattimore, Alexander Lin, Kun Ping Lu, Joseph Maroon, David Okonkwo, Daniel Perl, Meghan Robinson, Charles Rosen, Douglas Smith
Blast-related traumatic brain injury (TBI) is a signature injury of recent military conflicts, leading to increased Department of Defense (DoD) interest in its potential long-term effects, such as chronic traumatic encephalopathy (CTE). The DoD Blast Injury Research Program Coordinating Office convened the 2015 International State-of-the-Science Meeting to discuss the existing evidence regarding a causal relationship between TBI and CTE. Over the course of the meeting, experts across government, academia, and the sports community presented cutting edge research on the unique pathological characteristics of blast-related TBI, blast-related neurodegenerative mechanisms, risk factors for CTE, potential biomarkers for CTE, and treatment strategies for chronic neurodegeneration...
September 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28926003/age-of-first-exposure-to-american-football-and-long-term-neuropsychiatric-and-cognitive-outcomes
#2
M L Alosco, A B Kasimis, J M Stamm, A S Chua, C M Baugh, D H Daneshvar, C A Robbins, M Mariani, J Hayden, S Conneely, R Au, A Torres, M D McClean, A C McKee, R C Cantu, J Mez, C J Nowinski, B M Martin, C E Chaisson, Y Tripodis, R A Stern
Previous research suggests that age of first exposure (AFE) to football before age 12 may have long-term clinical implications; however, this relationship has only been examined in small samples of former professional football players. We examined the association between AFE to football and behavior, mood and cognition in a large cohort of former amateur and professional football players. The sample included 214 former football players without other contact sport history. Participants completed the Brief Test of Adult Cognition by Telephone (BTACT), and self-reported measures of executive function and behavioral regulation (Behavior Rating Inventory of Executive Function-Adult Version Metacognition Index (MI), Behavioral Regulation Index (BRI)), depression (Center for Epidemiologic Studies Depression Scale (CES-D)) and apathy (Apathy Evaluation Scale (AES))...
September 19, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28918391/genetic-polymorphisms-associated-with-the-risk-of-concussion-in-1056-college-athletes-a-multicentre-prospective-cohort-study
#3
Thomas Roland Terrell, Ruth Abramson, Jeffery T Barth, Ellen Bennett, Robert C Cantu, Richard Sloane, Daniel T Laskowitz, David M Erlanger, Douglas McKeag, Gregory Nichols, Verle Valentine, Leslie Galloway
BACKGROUND/AIM: To evaluate the association of genetic polymorphisms APOE, APOE G-219T promoter, microtubule associated protein(MAPT)/tau exon 6 Ser(53)Pro, MAPT/tau Hist(47)Tyr, IL-6572 G/C and IL-6R(Asp)358(Ala) with the risk of concussion in college athletes. METHODS: A 23-centre prospective cohort study of 1056 college athletes with genotyping was completed between August 2003 and December 2012. All athletes completed baseline medical and concussion questionnaires, and post-concussion data were collected for athletes with a documented concussion...
September 16, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28899991/infographic-consensus-statement-on-concussion-in-sport
#4
EDITORIAL
Paul McCrory, Willem Meeuwisse, Jiri Dvorak, Mark Aubry, Julian Bailes, Steven Broglio, Robert C Cantu, David Cassidy, Ruben J Echemendia, Rudy J Castellani, Gavin A Davis, Richard Ellenbogen, Carolyn Emery, Lars Engebretsen, Nina Feddermann-Demont, Christopher C Giza, Kevin M Guskiewicz, Stanley Herring, Grant L Iverson, Karen M Johnston, James Kissick, Jeffrey Kutcher, John J Leddy, David Maddocks, Michael Makdissi, Geoff Manley, Michael McCrea, William P Meehan, Shinji Nagahiro, Jon Patricios, Margot Putukian, Kathryn J Schneider, Allen Sills, Charles H Tator, Michael Turner, Pieter E Vos
No abstract text is available yet for this article.
September 12, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28899637/predictors-of-emergency-department-discharge-following-pediatric-drowning
#5
Rebecca M Cantu, Christopher M Pruitt, Nichole Samuy, Chang L Wu
No abstract text is available yet for this article.
September 4, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28893220/the-added-value-of-musculoskeletal-ultrasound-to-clinical-evaluation-in-the-treatment-decision-of-rheumatoid-arthritis-outpatients-physician-experience-matters
#6
C Sifuentes-Cantú, I Contreras-Yáñez, L Saldarriaga, A C Lozada, M Gutiérrez, V Pascual-Ramos
BACKGROUND: Musculoskeletal ultrasound improves the accuracy of detecting the level of disease activity (DA) in RA patients, although its impact on the final treatment decision in a real clinical setting is uncertain. The objectives were to define the percentage of clinical scenarios from an ongoing cohort of RA outpatients in which the German Ultrasound Score on 7 joints (GUS-7) impacted the treatment and to explore if the impact differed between a senior rheumatologist (SR) vs. a trainee (TR)...
September 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28885975/kinesin-superfamily-protein-kif26b-links-wnt5a-ror-signaling-to-the-control-of-cell-and-tissue-behaviors-in-vertebrates
#7
Michael W Susman, Edith P Karuna, Ryan C Kunz, Taranjit S Gujral, Andrea V Cantú, Shannon S Choi, Brigette Y Jong, Kyoko Okada, Michael K Scales, Jennie Hum, Linda S Hu, Marc W Kirschner, Ryuichi Nishinakamura, Soichiro Yamada, Diana J Laird, Li-En Jao, Steven P Gygi, Michael E Greenberg, Hsin-Yi Henry Ho
Wnt5a-Ror signaling constitutes a developmental pathway crucial for embryonic tissue morphogenesis, reproduction and adult tissue regeneration, yet the molecular mechanisms by which the Wnt5a-Ror pathway mediates these processes are largely unknown. Using a proteomic screen, we identify the kinesin superfamily protein Kif26b as a downstream target of the Wnt5a-Ror pathway. Wnt5a-Ror, through a process independent of the canonical Wnt/β-catenin-dependent pathway, regulates the cellular stability of Kif26b by inducing its degradation via the ubiquitin-proteasome system...
September 8, 2017: ELife
https://www.readbyqxmd.com/read/28875215/stereodivergent-mannich-reaction-of-bis-trimethylsilyl-ketene-acetals-with-n-tert-butanesulfinyl-imines-by-lewis-acid-or-lewis-base-activation-a-one-pot-protocol-to-obtain-chiral-%C3%AE-amino-acids
#8
Margarita Cantú-Reyes, Isabel Alvarado-Beltrán, Ricardo Ballinas-Indilí, Cecilio Álvarez-Toledano, Marcos Hernández-Rodríguez
We report a one-pot synthesis of chiral β(2,2,3)-amino acids by the Mannich addition of bistrimethylsilyl ketene acetals to N-tert-butanesulfinyl imines followed by the removal of the chiral auxiliary. The synthesis and isolation of pure β-amino acid hydrochlorides were conducted under mild conditions, without strong bases and this method is operationally simple. The stereoselective reaction was promoted by two different activation methods that lead to different stereoisomers: (1) Lewis Acid (LA) catalysis with boron trifluoride diethyl etherate and (2) Lewis Base (LB) catalysis with tetrabutylammonium difluorotriphenylsilicate...
September 20, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28872353/quantitative-evidence-for-revising-the-definition-of-primary-graft-dysfunction-after-lung-transplant
#9
Edward Cantu, Joshua M Diamond, Yoshikazu Suzuki, Jared Lasky, Christian Schaufler, Brian Lim, Rupal Shah, Mary Porteous, David J Lederer, Steven M Kawut, Scott M Palmer, Laurie D Snyder, Matthew G Hartwig, Vibha N Lama, Sangeeta Bhorade, Christian Bermudez, Maria Crespo, John McDyer, Keith Wille, Jonathan Orens, Pali D Shah, Ann Weinacker, David Weill, David Wilkes, David Roe, Chadi Hage, Lorraine B Ware, Scarlett L Bellamy, Jason D Christie
RATIONALE: Primary graft dysfunction (PGD) is a form of acute lung injury that occurs after lung transplantation. The definition of PGD was standardized in 2005. Since that time, clinical practice has evolved and this definition is increasingly used as a primary endpoint for clinical trials; therefore, validation is warranted. OBJECTIVE: We sought to determine whether refinements to the 2005 consensus definition could further improve construct validity. METHODS: Data from the Lung Transplant Outcomes Group multi-centered cohort was used to compare variations to the PGD definition, including alternate oxygenation thresholds, inclusion of additional severity groups, and effects of procedure type and mechanical ventilation...
September 5, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28871828/eating-behaviors-and-emotional-distress-are-predicted-by-treatment-and-adverse-outcome-in-patients-with-type-2-diabetes
#10
Arnulfo González-Cantú, Leonor Mireles-Zavala, Anabel Rodríguez-Romo, Elizabeth Olavide-Aguilar, Natalia Eloisa De la Garza-Hernández, Maria Elena Romero-Ibarguengoitia
Depression and anxiety are hightly prevalent among patients with Type 2 Diabetes (T2D), however not commonly related to outcomes, treatment and comorbidities. Eating behaviors could also have an implication. To evaluate the relation between mood and eating behaviors with demographic, physical, treatment, biochemical profiles and chronic comorbidities in T2D we conducted this exploratory cross sectional study in a population from Mexico. Hospital Anxiety and Depression Scale and the Three Factor Eating Questionnaire Revised 21 (TFEQ-R21) were correlated with age, gender, blood pressure, treatment and comorbidities (nephropathy, neuropathy, retinopathy and cardiopathy)...
September 5, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28862944/exposure-to-violence-and-carotid-artery-intima-media-thickness-in-mexican-women
#11
Mario H Flores-Torres, Rebekka Lynch, Ruy Lopez-Ridaura, Elsa Yunes, Adriana Monge, Eduardo Ortiz-Panozo, Carlos Cantu-Brito, Arna Hauksdóttir, Unnur Valdimarsdóttir, Martín Lajous
BACKGROUND: Violence against women has become a global public health threat. Data on the potential impact of exposure to violence on cardiovascular disease are scarce. METHODS AND RESULTS: We evaluated the association between exposure to violence and subclinical cardiovascular disease in 634 disease-free women from the Mexican Teachers' Cohort who responded to violence-related items from the Life Stressor Checklist and underwent measures of carotid artery intima-media thickness in 2012 and 2013...
August 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28859022/embolic-stroke-of-undetermined-source-in-latin-america-a-review
#12
Carlos Cantú-Brito, Gisele Sampaio Silva, Sebastián F Ameriso
BACKGROUND: Stroke is a major health concern throughout Latin America. As elsewhere, no precise cause can be determined for a substantial portion of strokes. In 6 studies since 2010 in the region, 16% to 43% of ischemic strokes were identified as cryptogenic. The term embolic stroke of undetermined source (ESUS) has been proposed as more clinically useful and positively defined than the vague term cryptogenic. The epidemiology of ESUS in Latin America is largely unknown. REVIEW SUMMARY: This article aims to provide a description of the epidemiology of ESUS in Latin America and practical information regarding available diagnostic procedures and current guidelines...
September 2017: Neurologist
https://www.readbyqxmd.com/read/28842488/conserved-functional-consequences-of-disease-associated-mutations-in-the-slide-helix-of-kir6-1-and-kir6-2-subunits-of-the-atp-sensitive-potassium-channel
#13
Paige E Cooper, Conor McClenaghan, Xingyu Chen, Anna Stary-Weinzinger, Colin G Nichols
Cantu syndrome (CS) is a condition characterized by a range of anatomical defects, including cardiomegaly, hyper-flexibility of the joints, hypertrichosis, and craniofacial dysmorphology. CS is associated with multiple missense mutations in the genes encoding the regulatory SUR2 subunits of the ATP-sensitive K+ (KATP) channel, as well as two mutations (V65M and C176S) in the Kir6.1 (KCNJ8) subunit. Previous analysis of leucine and alanine substitutions at the Val-65 equivalent site (Val-64) in Kir6.2 indicated no major effects on channel function...
August 23, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28822344/on-the-behavior-of-certain-ink-aging-curves
#14
Antonio A Cantú
This work treats writing inks, particularly ballpoint pen inks. It reviews those ink aging methods that are based on the analysis (measurement) of ink solvents (e.g., 2-phenoxyethanol, which is the most common among ballpoint pen inks). Each method involves measurements that are components of an ink aging parameter associated with the method. Only mass independent parameters are considered. An ink solvent from an ink that is on an air-exposed substrate will evaporate at a decreasing rate and is never constant as the ink ages...
September 2017: Forensic Science International
https://www.readbyqxmd.com/read/28805348/levocarnitine-decreases-intradialytic-hypotension-episodes-a-randomized-controlled-trial
#15
Héctor Raúl Ibarra-Sifuentes, Ángel Del Cueto-Aguilera, Daniel Alberto Gallegos-Arguijo, Sergio Andres Castillo-Torres, Raymundo Vera-Pineda, Rolando Jacob Martínez-Granados, Alexandro Atilano-Díaz, Jesus Eduardo Cuellar-Monterrubio, Cesar Octaviano Pezina-Cantú, Edgar de Jesús Martínez-Guevara, Juan Francisco Ortiz-Treviño, Guillermo Rubén Delgado-García, José Guadalupe Martínez-Jiménez, Jesús Cruz-Valdez, Concepción Sánchez-Martínez
Intradialytic hypotension is common complication in stage 5 chronic kidney disease patients on hemodialysis. Incidence ranges from 15 to 30%. These patients have levocarnitine deficiency. A randomized, placebo-controlled quadruple-blinded trial was designed to demonstrate the levocarnitine efficiency on intradialytic hypotension prevention. Patients were randomized into four groups, to receive levocarnitine or placebo. During the intervention period, levocarnitine and placebo was administered 0 and 30 min before each hemodialysis session, respectively...
August 14, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28799676/morphology-visualization-of-irregular-shape-bacteria-by-electron-holography-and-tomography
#16
Eduardo Ortega, Jesús Cantu-Valle, Germán Plascencia-Villa, Sandra Vergara, Fernando Mendoza-Santoyo, Alejandra Londono-Calderon, Ulises Santiago, Arturo Ponce
In the current work, irregular morphology of Staphylococcus aureus bacteria has been visualized by phase retrieval employing off-axis electron holography (EH) and 3D reconstruction electron tomography using high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM). Bacteria interacting with gold nanoparticles (AuNP) acquired a shrunken or irregular shape due to air dehydration processing. STEM imaging shows the attachment of AuNP on the surface of cells and suggests an irregular 3D morphology of the specimen...
August 11, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28776045/whole-genome-sequencing-of-human-clinical-klebsiella-pneumoniae-isolates-reveals-misidentification-and-misunderstandings-of-klebsiella-pneumoniae-klebsiella-variicola-and-klebsiella-quasipneumoniae
#17
S Wesley Long, Sarah E Linson, Matthew Ojeda Saavedra, Concepcion Cantu, James J Davis, Thomas Brettin, Randall J Olsen
Klebsiella pneumoniae is a major threat to public health, causing significant morbidity and mortality worldwide. The emergence of highly drug-resistant strains is particularly concerning. There has been a recognition and division of Klebsiella pneumoniae into three distinct phylogenetic groups: Klebsiella pneumoniae, Klebsiella variicola, and Klebsiella quasipneumoniae. K. variicola and K. quasipneumoniae have often been described as opportunistic pathogens that have less virulence in humans than K. pneumoniae does...
July 2017: MSphere
https://www.readbyqxmd.com/read/28771141/risk-factors-and-molecular-mechanisms-associated-with-trimethoprim-sulfamethoxazole-resistance-in-stenotrophomonas-maltophilia-in-mexico
#18
Sandra Abril Herrera-Heredia, César Pezina-Cantú, Elvira Garza-González, Paola Bocanegra-Ibarias, Soraya Mendoza-Olazarán, Rayo Morfín-Otero, Adrián Camacho-Ortiz, Licet Villarreal-Treviño, Eduardo Rodríguez-Noriega, Laura Paláu-Davila, Héctor Jesús Maldonado-Garza, Samantha Flores-Treviño
PURPOSE: Stenotrophomonas maltophilia is a multidrug-resistant opportunistic pathogen causing an increasing number of nosocomial infections. Our aim was to evaluate the risk factors and mechanisms associated with trimethoprim-sulfamethoxazole (SXT) resistance in S. maltophilia infections in Mexico. METHODOLOGY: Clinical isolates and patients' demographic and clinical data were collected from February 2007 to August 2015 in two tertiary-care hospitals in Mexico. Antimicrobial susceptibility and analysis of sul and SmeABC and SmeDEF efflux pump overexpression were performed in all isolates...
August 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28754603/a-pilgrim-s-progress-seeking-meaning-in-primordial-germ-cell-migration
#19
Andrea V Cantú, Diana J Laird
Comparative studies of primordial germ cell (PGC) development across organisms in many phyla reveal surprising diversity in the route of migration, timing and underlying molecular mechanisms, suggesting that the process of migration itself is conserved. However, beyond the perfunctory transport of cellular precursors to their later arising home of the gonads, does PGC migration serve a function? Here we propose that the process of migration plays an additional role in quality control, by eliminating PGCs incapable of completing migration as well as through mechanisms that favor PGCs capable of responding appropriately to migration cues...
July 18, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28742910/clinicopathological-evaluation-of-chronic-traumatic-encephalopathy-in-players-of-american-football
#20
Jesse Mez, Daniel H Daneshvar, Patrick T Kiernan, Bobak Abdolmohammadi, Victor E Alvarez, Bertrand R Huber, Michael L Alosco, Todd M Solomon, Christopher J Nowinski, Lisa McHale, Kerry A Cormier, Caroline A Kubilus, Brett M Martin, Lauren Murphy, Christine M Baugh, Phillip H Montenigro, Christine E Chaisson, Yorghos Tripodis, Neil W Kowall, Jennifer Weuve, Michael D McClean, Robert C Cantu, Lee E Goldstein, Douglas I Katz, Robert A Stern, Thor D Stein, Ann C McKee
Importance: Players of American football may be at increased risk of long-term neurological conditions, particularly chronic traumatic encephalopathy (CTE). Objective: To determine the neuropathological and clinical features of deceased football players with CTE. Design, Setting, and Participants: Case series of 202 football players whose brains were donated for research. Neuropathological evaluations and retrospective telephone clinical assessments (including head trauma history) with informants were performed blinded...
July 25, 2017: JAMA: the Journal of the American Medical Association
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