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https://www.readbyqxmd.com/read/28636238/segmental-domain-selective-perdeuteration-and-small-angle-neutron-scattering-for-structural-analysis-of-multi-domain-proteins
#1
Miriam Sonntag, Pravin Jagtap, Bernd Simon, Marie-Sousai Appavou, Arie Geerlof, Ralf Stehle, Frank Gabel, Janosch Hennig, Michael Sattler
Multi-domain proteins play critical roles in fine-tuning essential processes in cellular signaling and gene regulation. Typically, multiple globular domains that are connected by flexible linkers undergo dynamic re-arrangements upon binding to protein, DNA or RNA ligands. RNA binding proteins (RBPs) represent an important class of multi-domain proteins, which regulate gene expression by recognizing linear or structured RNA sequence motifs. Here, we employ segmental perdeuteration of the three RNA recognition motif (RRM) domains in the RBP TIA-1 using Sortase A-mediated protein ligation...
June 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28635984/anxiety-and-depression-associated-with-burden-in-caregivers-of-patients-with-brain-metastases
#2
Marlon G Saria, Natasia S Courchesne, Lorraine Evangelista, Joshua L Carter, Daniel A MacManus, Mary Kay Gorman, Adeline M Nyamathi, Linda R Phillips, David E Piccioni, Santosh Kesari, Sally L Maliski
PURPOSE/OBJECTIVES: To describe and examine the relationship between caregiver burden and the affective disorders anxiety and depression in caregivers of patients with brain metastases.
. DESIGN: Cross-sectional, descriptive, correlational.
. SETTING: Moores Cancer Center at the University of California, San Diego. 
. SAMPLE: 56 family caregivers of patients with brain metastases from solid tumors at other primary sites...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28634717/morphological-diversification-among-island-populations-of-intertidal-mites-acari-oribatida-fortuyniidae-from-the-gal%C3%A3-pagos-archipelago
#3
Tobias Pfingstl, Julia Baumann
The intertidal oribatid mite species Alismobates galapagoensis and Litoribates caelestis occur on the archipelago of Galápagos. To test for morphological variation between populations of different islands, a comprehensive morphometric study was performed. Four A. galapagoensis populations from the islands Bartolomé, Isabela, Santa Cruz and San Cristobal, as well as two L. caelestis populations from Bartolomé and Santa Cruz were investigated. The L. caelestis populations did not show any significant differences whereas the A...
June 20, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28634669/yttrium-90-y-90-resin-microsphere-therapy-for-patients-with-unresectable-hepatocellular-carcinoma-a-single-center-experience
#4
Semra İnce, Bülent Karaman, Engin Alagoz, Nuri Karadurmuş, Hüseyin Şan, Cemal Nuri Erçin, Nuri Arslan
BACKGROUND/AIM: Selective intraarterial radionuclide therapy (SIRT) with yttrium-90 (Y-90) resin microspheres presently has successful results in primary or metastatic inoperable liver tumors. This procedure, which is also known as radioembolisation, delivers high doses of radiation selectively to hepatic tumors while minimum healthy liver exposure. The aim of this study was to present our clinical experience of radiomicrosphere therapy for the treatment of patients with unresectable hepatocellular carcinoma (HCC)...
June 20, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28633895/synthesis-of-meon-neoglycosides-of-digoxigenin-with-6-deoxy-and-2-6-dideoxy-d-glucose-derivatives-and-their-anticancer-activity
#5
Dong-Dong Wang, Xiao-San Li, Yu-Zhou Bao, Jie Liu, Xiao-Kun Zhang, Xin-Sheng Yao, Xue-Long Sun, Jin-Shan Tang
Cardiac glycosides show anticancer activities and their deoxy-sugar chains are vital for their anticancer effects. In order to study the structure-activity relationship (SAR) of cardiac glycosides toward cancers and get more potent anticancer agents, a series of MeON-neoglycosides of digoxigenin was synthesized and evaluated. First, ten 6-deoxy- and 2,6-dideoxy-d-glucopyranosyl donors were synthesized starting from methyl α-d-glucopyranoside and 2-deoxy-d-glucose. Meanwhile, the digoxigenin was obtained by acidic hydrolysis of commercially available digoxin as glycosyl acceptor...
June 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28633670/preclinical-anti-myeloma-activity-of-edo-s101-a-new-bendamustine-derived-molecule-with-added-hdaci-activity-through-potent-dna-damage-induction-and-impairment-of-dna-repair
#6
Ana-Alicia López-Iglesias, Ana B Herrero, Marta Chesi, Laura San-Segundo, Lorena González-Méndez, Susana Hernández-García, Irena Misiewicz-Krzeminska, Dalia Quwaider, Montserrat Martín-Sánchez, Daniel Primo, Teresa Paíno, P Leif Bergsagel, Thomas Mehrling, Marcos González-Díaz, Jesús F San-Miguel, María-Victoria Mateos, Norma C Gutiérrez, Mercedes Garayoa, Enrique M Ocio
BACKGROUND: Despite recent advances in the treatment of multiple myeloma (MM), the prognosis of most patients remains poor, and resistance to traditional and new drugs frequently occurs. EDO-S101 is a novel therapeutic agent conceived as the fusion of a histone deacetylase inhibitor radical to bendamustine, with the aim of potentiating its alkylating activity. METHODS: The efficacy of EDO-S101 was evaluated in vitro, ex vivo and in vivo, alone, and in combination with standard anti-myeloma agents...
June 20, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28633356/ridesharing-and-motor-vehicle-crashes-in-four-u-s-cities-an-interrupted-time-series-analysis
#7
Christopher N Morrison, Sara F Jacoby, Beidi Dong, M Kit Delgado, Douglas J Wiebe
Uber, the world's largest ridesharing company, has reportedly provided over two billion journeys globally since operations began in 2010; however, the impact on motor vehicle crashes is unclear. Theoretically, ridesharing could reduce alcohol-involved crashes in locations where other modes of transportation are less attractive than driving one's own vehicle while alcohol-affected. We conducted interrupted time series analyses using weekly counts of injury crashes and the proportion that were alcohol-involved in four US cities (Las Vegas, NV; Portland, OR; Reno, NV; San Antonio, TX)...
June 14, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28632581/multicenter-retrospective-study-of-noncompressible-torso-hemorrhage-anatomic-locations-of-bleeding-and-comparison-of-endovascular-versus-open-approach
#8
Ronald Chang, Erin E Fox, Thomas J Greene, Brian J Eastridge, Ramyar Gilani, Kevin K Chung, Stacia M DeSantis, Joseph J DuBose, Jeffrey S Tomasek, Gerald R Fortuna, Valerie G Sams, S Rob Todd, Jeanette M Podbielski, Charles E Wade, John B Holcomb
BACKGROUND: Rational development of technology for rapid control of noncompressible torso hemorrhage (NCTH) requires detailed understanding of what is bleeding. Our objectives were to describe the anatomic location of truncal bleeding in patients presenting with NCTH and compare endovascular (ENDO) management versus open (OPEN) management. METHODS: This is a retrospective study of adult trauma patients with NCTH admitted to four urban Level I trauma centers in the Houston and San Antonio metropolitan areas in 2008 to 2012...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28632075/-is-marijuana-even-a-drug-a-qualitative-study-of-how-teens-view-marijuana-use-and-why-they-use-it
#9
Bettina Friese
This qualitative study examines how youth in the San Francisco Bay Area perceive marijuana and their motives for using or not using marijuana. Current regular users were more likely to perceive marijuana smoking as an enjoyable activity, comparable to a hobby or sport. Current occasional users commonly reported smoking marijuana when it was offered to them, on special occasions, and sometimes as a result of not wanting to be left out. Most former regular users reported quitting marijuana use due to getting into trouble, being ordered into drug treatment and/or being drug tested...
February 26, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28631478/drying-affects-the-fiber-network-in-low-molecular-weight-hydrogels
#10
Laura L E Mears, Emily R Draper, Ana M Castilla, Hao Su, Zhuola Zhuola, Bart Dietrich, Michael Nolan, Gregory N Smith, James Doutch, Sarah E Rogers, Riaz Akhtar, Honggang Cui, Dave J Adams
Low molecular weight gels are formed by the self-assembly of a suitable small molecule gelator into a three-dimensional network of fibrous structures. The gel properties are determined by the fiber structures, the number and type of cross-links and the distribution of the fibers and cross-links in space. Probing these structures and cross-links is difficult. Many reports rely on microscopy of dried gels (xerogels), where the solvent is removed prior to imaging. The assumption is made that this has little effect on the structures, but it is not clear that this assumption is always (or ever) valid...
June 20, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28631368/crispr-cas9-mediated-loss-of-fgf5-function-increases-wool-staple-length-in-sheep
#11
Wen-Rong Li, Chen-Xi Liu, Xue-Mei Zhang, Lei Chen, Xin-Rong Peng, San-Gang He, Jia-Peng Lin, Bin Han, Li-Qin Wang, Jun-Cheng Huang, Ming-Jun Liu
Fibroblast growth factor 5 (FGF5) regulates hair length in humans and a variety of other animals. To investigate whether FGF5 has similar effects in sheep, we used CRISPR/Cas9 to generate loss-of-function mutations with the FGF5 gene in Chinese Merino sheep. A total of 16 lambs were identified with genetic mutations within the targeting locus: 13 lambs had biallelic modifications and 3 lambs had monoallelic modifications. Characterization of the modifications revealed that 13 were frame shift mutations that led to premature termination; the other 3 were in-frame deletions...
June 20, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28630412/the-challenges-of-predicting-pesticide-exposure-of-honey-bees-at-landscape-level
#12
Noa Simon-Delso, Gilles San Martin, Etienne Bruneau, Christine Delcourt, Louis Hautier
To evaluate the risks of pesticides for pollinators, we must not only evaluate their toxicity but also understand how pollinators are exposed to these xenobiotics in the field. We focused on this last point and modeled honey bee exposure to pesticides at the landscape level. Pollen pellet samples (n = 60) from 40 Belgian apiaries were collected from late July to October 2011 and underwent palynological and pesticide residue analyses. Areas of various crops around each apiary were measured at 4 spatial scales...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629914/mortality-risk-prediction-in-scleroderma-related-interstitial-lung-disease-the-sadl-model
#13
Julie Morisset, Eric Vittinghoff, Brett M Elicker, Xiaowen Hu, Stephanie Le, Jay H Ryu, Kirk D Jones, Anna Haemel, Jeffrey A Golden, Francesco Boin, Brett Ley, Paul J Wolters, Talmadge E King, Harold R Collard, Joyce S Lee
RATIONALE: Interstitial lung disease (ILD) is an important cause of morbidity and mortality in scleroderma (Scl). Risk prediction and prognostication in Scl-ILD patients is challenging because of heterogeneity in the disease course. METHODS: We aimed to develop a clinical mortality risk prediction model for Scl-ILD. Patients with Scl-ILD were identified from two ongoing longitudinal cohorts: 135 patients at the University of California, San Francisco (UCSF, derivation cohort) and 90 patients at the Mayo Clinic (validation cohort)...
June 16, 2017: Chest
https://www.readbyqxmd.com/read/28629669/influence-of-the-mediterranean-diet-during-pregnancy-in-the-development-of-wheezing-and-eczema-in-infants-in-pamplona-spain
#14
N Alvarez Zallo, I Aguinaga-Ontoso, I Alvarez-Alvarez, B Marin-Fernandez, F Guillén-Grima, C Azcona-San Julián
BACKGROUND: This study examined the relationship between different food groups and the adherence to a Mediterranean diet during pregnancy and the risk of wheezing and eczema in children aged 12-15 months. METHODS: The study involves 1087 Spanish infants from the International Study of Wheezing in Infants (Estudio Internacional de Sibilancias en Lactantes, EISL). The study of the association of the different food consumption and Mediterranean diet with wheezing, recurrent wheezing and eczema was performed using different models of unconditional logistic regression to obtain adjusted prevalence odds ratios (OR) and 95% confidence intervals (95% CI)...
June 16, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28629384/involvement-of-the-glutamate-glutamine-cycle-and-glutamate-transporter-glt-1-in-antidepressant-like-effects-of-xiao-yao-san-on-chronically-stressed-mice
#15
Xiu-Fang Ding, Yue-Hua Li, Jia-Xu Chen, Long-Ji Sun, Hai-Yan Jiao, Xin-Xin Wang, Yan Zhou
BACKGROUND: Xiao Yao San (XYS) is an herbal prescription which is used in the treatment of depression for thousands of years from Song dynasty in China (960-1127 A.D.), and is the bestselling and most popular herb formula for treating major depression. This study aimed to assess the chronic antidepressant effects of XYS and fluoxetine in depressed mice induced by chronic unpredictable mild stress (CUMS) and its association with  alterations in glutamate/glutamine cycle and glutamate transporters...
June 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28629260/risk-of-dementia-in-adults-with-adhd-a-nationwide-population-based-cohort-study-in-taiwan
#16
Nian-Sheng Tzeng, Chi-Hsiang Chung, Fu-Huang Lin, Chin-Bin Yeh, San-Yuan Huang, Ru-Band Lu, Hsin-An Chang, Yu-Chen Kao, Hui-Wen Yeh, Wei-Shan Chiang, Yu-Ching Chou, Chang-Huei Tsao, Yung-Fu Wu, Wu-Chien Chien
OBJECTIVE: This study aimed to investigate the association between adults with ADHD and the risk of developing dementia. METHOD: Utilizing National Health Insurance Research Database of Taiwan, ADHD patients were identified and compared with age- and gender-matched controls (1:3). RESULTS: Of the study participants, 37 (5.48%) developed dementia compared with 81 (4.0%) in the control group. Cox proportional hazards regression analysis revealed that the study participants were more likely to develop dementia...
June 1, 2017: Journal of Attention Disorders
https://www.readbyqxmd.com/read/28628527/antiretroviral-prescription-and-viral-suppression-in-a-representative-sample-of-hiv-infected-persons-in-care-in-four-large-metropolitan-areas-of-the-united-states-medical-monitoring-project-2011-figure-dash-2013
#17
Amy Rock Wohl, Nanette Benbow, Judith Tejero, Christopher Johnson, Susan Scheer, Kathleen Brady, Alexandra Gagner, Alison Hughes, Michael Eberhart, Christine Mattson, Jacek Skarbinski
BACKGROUND: Comparisons of ART prescription and viral suppression among people in HIV care across U.S. metropolitan areas are limited. 2011-2013 Medical Monitoring Project data were used to describe and compare associations between socio-demographics and ART prescription and viral suppression for persons receiving HIV care. SETTING: Chicago, Los Angeles County (LAC), Philadelphia, and San Francisco in the United States. METHODS: Bivariate and multivariable methods were used...
June 15, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28628463/operational-research-during-the-ebola-emergency
#18
Gabriel Fitzpatrick, Tom Decroo, Bertrand Draguez, Rosa Crestani, Axelle Ronsse, Rafael Van den Bergh, Michel Van Herp
Operational research aims to identify interventions, strategies, or tools that can enhance the quality, effectiveness, or coverage of programs where the research is taking place. Médecins Sans Frontières admitted ≈5,200 patients with confirmed Ebola virus disease during the Ebola outbreak in West Africa and from the beginning nested operational research within its emergency response. This research covered critical areas, such as understanding how the virus spreads, clinical trials, community perceptions, challenges within Ebola treatment centers, and negative effects on non-Ebola healthcare...
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28628447/environmental-factors-as-key-determinants-for-visceral-leishmaniasis-in-solid-organ-transplant-recipients-madrid-spain
#19
Nerea Carrasco-Antón, Francisco López-Medrano, Mario Fernández-Ruiz, Eugenia Carrillo, Javier Moreno, Ana García-Reyne, Ana Pérez-Ayala, María Luisa Rodríguez-Ferrero, Carlos Lumbreras, Rafael San-Juan, Jorge Alvar, José María Aguado
During a visceral leishmaniasis outbreak in an area of Madrid, Spain, the incidence of disease among solid organ transplant recipients was 10.3% (7/68). Being a black person from sub-Saharan Africa, undergoing transplantation during the outbreak, and residing <1,000 m from the epidemic focus were risk factors for posttransplant visceral leishmaniasis.
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28628437/nontuberculous-mycobacteria-infections-at-a-provincial-reference-hospital-cambodia
#20
Maryline Bonnet, Kim Chamroeun San, Yati Pho, Chandara Sok, Jean-Philippe Dousset, William Brant, Northan Hurtado, Khun Kim Eam, Elisa Ardizzoni, Seiha Heng, Sylvain Godreuil, Wing-Wai Yew, Cathy Hewison
Prevalence of nontuberculous mycobacteria (NTM) disease is poorly documented in countries with high prevalence of tuberculosis (TB). We describe prevalence, risk factors, and TB program implications for NTM isolates and disease in Cambodia. A prospective cohort of 1,183 patients with presumptive TB underwent epidemiologic, clinical, radiologic, and microbiologic evaluation, including >12-months of follow-up for patients with NTM isolates. Prevalence of NTM isolates was 10.8% and of disease was 0.9%; 217 (18...
July 2017: Emerging Infectious Diseases
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