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https://www.readbyqxmd.com/read/28911126/diabetes-in-the-cape-coast-metropolis-of-ghana-an-assessment-of-risk-factors-nutritional-practices-and-lifestyle-changes
#1
Worlanyo E Gato, Samuel Acquah, Bettye A Apenteng, Samuel T Opoku, Blessed K Boakye
Background: Despite the significant increase in the incidence of diabetes in Ghana, research in this area has been lagging. The purpose of the study was to assess the risk factors associated with diabetes in the Cape Coast metropolis of Ghana, and to describe nutritional practices and efforts toward lifestyle change. Methods: A convenient sample of 482 adults from the Cape Coast metropolis was surveyed using a self-reported questionnaire. The survey collected information on the demographic, socioeconomic characteristics, health status and routine nutritional practices of respondents...
September 1, 2017: International Health
https://www.readbyqxmd.com/read/28881701/pd1-signal-transduction-pathways-in-t-cells
#2
REVIEW
Hugo Arasanz, Maria Gato-Cañas, Miren Zuazo, Maria Ibañez-Vea, Karine Breckpot, Grazyna Kochan, David Escors
The use of immune checkpoint inhibitors for the treatment of cancer is revolutionizing oncology. Amongst these therapeutic agents, antibodies that block PD-L1/PD1 interactions between cancer cells and T cells are demonstrating high efficacies and low toxicities. Despite all the recent advances, very little is yet known on the molecular intracellular signaling pathways regulated by either PD-L1 or PD1. Here we review the current knowledge on PD1-dependent intracellular signaling pathways, and the consequences of disrupting PD1 signal transduction...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28834746/pdl1-signals-through-conserved-sequence-motifs-to-overcome-interferon-mediated-cytotoxicity
#3
Maria Gato-Cañas, Miren Zuazo, Hugo Arasanz, Maria Ibañez-Vea, Laura Lorenzo, Gonzalo Fernandez-Hinojal, Ruth Vera, Cristian Smerdou, Eva Martisova, Imanol Arozarena, Claudia Wellbrock, Diana Llopiz, Marta Ruiz, Pablo Sarobe, Karine Breckpot, Grazyna Kochan, David Escors
PDL1 blockade produces remarkable clinical responses, thought to occur by T cell reactivation through prevention of PDL1-PD1 T cell inhibitory interactions. Here, we find that PDL1 cell-intrinsic signaling protects cancer cells from interferon (IFN) cytotoxicity and accelerates tumor progression. PDL1 inhibited IFN signal transduction through a conserved class of sequence motifs that mediate crosstalk with IFN signaling. Abrogation of PDL1 expression or antibody-mediated PDL1 blockade strongly sensitized cancer cells to IFN cytotoxicity through a STAT3/caspase-7-dependent pathway...
August 22, 2017: Cell Reports
https://www.readbyqxmd.com/read/28827961/uncaria-tomentosa-willd-ex-schult-dc-rubiaceae-sensitizes-thp-1-cells-to-radiation-induced-cell-death
#4
Lisa Allen, Alison Buckner, Carly A Buckner, Pablo Cano, Robert M Lafrenie
BACKGROUND: Uncaria tomentosa (Willd. ex Schult.) DC (Rubiaceae), known as Cat's Claw or Uña de gato, is a traditionally used medicinal plant native to Peru. Some studies have shown that U. tomentosa can act as an antiapoptotic agent and enhance DNA repair in chemotherapy-treated cells although others have shown that U. tomentosa enhanced apoptosis. OBJECTIVE: To determine if treatment with U. tomentosa can significantly enhance cell death in THP-1 cells exposed to ionizing radiation...
July 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28821460/long-term-effects-of-hydrogen-sulfide-on-the-anabolic-catabolic-balance-of-articular-cartilage-in%C3%A2-vitro
#5
Á Vela-Anero, T Hermida-Gómez, L Gato-Calvo, C Vaamonde-García, S Díaz-Prado, R Meijide-Faílde, F J Blanco, E F Burguera
Healthy cartilage maintenance relies on an equilibrium among the anabolic and catabolic processes in chondrocytes. With the onset of osteoarthritis (OA), increased interleukin (IL)-1β levels induce an inhibition of the synthesis of extracellular matrix (ECM) proteins, as well as an increase in proteases. This eventually leads to a predominance of the catabolic phenotype and the progressive loss of articular cartilage. Hydrogen sulfide (H2S) is a small gaseous molecule recognized as the third endogenous gasotransmitter...
August 15, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28724450/variation-in-species-composition-and-infection-rates-of-anopheles-mosquitoes-at-different-altitudinal-transects-and-the-risk-of-malaria-in-the-highland-of-dirashe-woreda-south-ethiopia
#6
Taye Yohannes Daygena, Fekadu Massebo, Bernt Lindtjørn
BACKGROUND: The transmission of malaria is heterogeneous, and varies due to altitude. The information on whether the transmission of malaria is indigenous or imported to highland areas is scarce. Therefore, this study aimed to assess the species composition and infection rates of Anopheles at different altitudinal transects, and the risk of malaria if any in the highland of Dirashe Woreda, South Ethiopia. METHODS: This study was conducted in Gato (low altitude; average elevation of 1273 m), Onota (mid-altitude; average elevation of 1707 m) and Layignaw-Arguba (high altitude; average elevation of 2337 m) from August 2015 to April 2016...
July 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28687116/is-it-useful-to-calculate-minimal-erythema-dose-before-narrowband-uv-b-phototherapy
#7
M T Rodríguez-Granados, A Estany-Gestal, M Pousa-Martínez, J Labandeira, R Gato Otero, V Fernández-Redondo
INTRODUCTION AND OBJECTIVES: The starting dose for narrowband UV-B phototherapy is determined by a patient's skin phototype or minimal erythema dose (MED). Calculation of MED identifies patients with unsuspected photosensitivity. The aim of this study was to investigate the influence of factors such as concomitant use of photosensitizing agents, diagnosis, and combination with acitretin in patients with psoriasis on the frequency and severity of adverse effects in patients with a low MED to narrowband UV-B phototherapy...
July 4, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28634041/a-machine-learning-algorithm-toward-color-analysis-for-chronic-liver-disease-classification-employing-ultrasound-shear-wave-elastography
#8
Ilias Gatos, Stavros Tsantis, Stavros Spiliopoulos, Dimitris Karnabatidis, Ioannis Theotokas, Pavlos Zoumpoulis, Thanasis Loupas, John D Hazle, George C Kagadis
The purpose of the present study was to employ a computer-aided diagnosis system that classifies chronic liver disease (CLD) using ultrasound shear wave elastography (SWE) imaging, with a stiffness value-clustering and machine-learning algorithm. A clinical data set of 126 patients (56 healthy controls, 70 with CLD) was analyzed. First, an RGB-to-stiffness inverse mapping technique was employed. A five-cluster segmentation was then performed associating corresponding different-color regions with certain stiffness value ranges acquired from the SWE manufacturer-provided color bar...
June 17, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28555507/performance-measurement-and-target-setting-in-california-s-safety-net-health-systems
#9
Shirin Hemmat, Dean Schillinger, Courtney Lyles, Sara Ackerman, Gato Gourley, Eric Vittinghoff, Margaret Handley, Urmimala Sarkar
Health policies encourage implementing quality measurement with performance targets. The 2010-2015 California Medicaid waiver mandated quality measurement and reporting. In 2013, California safety net hospitals participating in the waiver set a voluntary performance target (the 90th percentile for Medicare preferred provider organization plans) for mammography screening and cholesterol control in diabetes. They did not reach the target, and the difference-in-differences analysis suggested that there was no difference for mammography ( P = ...
May 1, 2017: American Journal of Medical Quality: the Official Journal of the American College of Medical Quality
https://www.readbyqxmd.com/read/28536672/response-to-bile-salts-in-clinical-strains-of-acinetobacter-baumannii-lacking-the-adeabc-efflux-pump-virulence-associated-with-quorum-sensing
#10
Maria López, Lucia Blasco, Eva Gato, Astrid Perez, Laura Fernández-Garcia, Luis Martínez-Martinez, Felipe Fernández-Cuenca, Jesús Rodríguez-Baño, Alvaro Pascual, German Bou, Maria Tomás
Introduction:Acinetobacter baumannii is an opportunistic nosocomial pathogen associated with multiple infections. This pathogen usually colonizes (first stage of microbial infection) host tissues that are in contact with the external environment. As one of the sites of entry in human hosts is the gastrointestinal tract, the pathogen must be capable of tolerating bile salts. However, studies analyzing the molecular characteristics involved in the response to bile salts in clinical strains of A. baumannii are scarce...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28522261/-pulmonary-hamartoma-as-an-example-of-solitary-pulmonary-nodule
#11
M Tejero-Mas, C Gato-Núñez, N Rivera-Jiménez, F Buitrago-Ramírez, A Palmerín-Donoso
No abstract text is available yet for this article.
May 15, 2017: Semergen
https://www.readbyqxmd.com/read/28475054/unsupervised-word-spotting-in-historical-handwritten-document-images-using-document-oriented-local-features
#12
Konstantinos Zagoris, Ioannis Pratikakis, Basilis Gatos
Word spotting strategies employed in historical handwritten documents face many challenges due to variation in the writing style and intense degradation. In this paper, a new method that permits effective word spotting in handwritten documents is presented that it relies upon document-oriented local features which take into account information around representative keypoints as well a matching process that incorporates spatial context in a local proximity search without using any training data. Experimental results on four historical handwritten datasets for two different scenarios (segmentation-based and segmentation-free) using standard evaluation measures show the improved performance achieved by the proposed methodology...
May 3, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28472772/pd1-signal-transduction-pathways-in-t-cells
#13
REVIEW
Hugo Arasanz, Maria Gato-Cañas, Miren Zuazo, Maria Ibañez-Vea, Karine Breckpot, Grazyna Kochan, David Escors
The use of immune checkpoint inhibitors for the treatment of cancer is revolutionizing oncology. Amongst these therapeutic agents, antibodies that block PD-L1/PD1 interactions between cancer cells and T cells are demonstrating high efficacies and low toxicities. Despite all the recent advances, very little is yet known on the molecular intracellular signaling pathways regulated by either PD-L1 or PD1. Here we review the current knowledge on PD1-dependent intracellular signaling pathways, and the consequences of disrupting PD1 signal transduction...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28449126/results-of-the-answer-trial-using-the-pulserider-for-the-treatment-of-broad-necked-bifurcation-aneurysms
#14
Alejandro M Spiotta, Colin P Derdeyn, Satoshi Tateshima, Jay Mocco, R Webster Crowley, Kenneth C Liu, Lee Jensen, Koji Ebersole, Alan Reeves, Demetrius K Lopes, Ricardo A Hanel, Eric Sauvageau, Gary Duckwiler, Adnan Siddiqui, Elad Levy, Ajit Puri, Lee Pride, Roberta Novakovic, M Imran Chaudry, Raymond D Turner, Aquilla S Turk
BACKGROUND: The safety and probable benefit of the PulseRider (Pulsar Vascular, Los Gatos, California) for the treatment of broad-necked, bifurcation aneurysms was studied in the context of the prospective, nonrandomized, single arm clinical trial-the Adjunctive Neurovascular Support of Wide-neck aneurysm Embolization and Reconstruction (ANSWER) Trial. OBJECTIVE: To present the results of the United States cases employing the PulseRider device as part of the ANSWER clinical trial...
July 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28432822/focal-liver-lesions-segmentation-and-classification-in-nonenhanced-t2-weighted-mri
#15
Ilias Gatos, Stavros Tsantis, Maria Karamesini, Stavros Spiliopoulos, Dimitris Karnabatidis, John D Hazle, George C Kagadis
PURPOSE: To automatically segment and classify focal liver lesions (FLLs) on nonenhanced T2-weighted magnetic resonance imaging (MRI) scans using a computer-aided diagnosis (CAD) algorithm. METHODS: 71 FLLs (30 benign lesions, 19 hepatocellular carcinomas, and 22 metastases) on T2-weighted MRI scans were delineated by the proposed CAD scheme. The FLL segmentation procedure involved wavelet multiscale analysis to extract accurate edge information and mean intensity values for consecutive edges computed using horizontal and vertical analysis that were fed into the subsequent fuzzy C-means algorithm for final FLL border extraction...
April 22, 2017: Medical Physics
https://www.readbyqxmd.com/read/28340229/meaningful-use-in-the-safety-net-a-rapid-ethnography-of-patient-portal-implementation-at-five-community-health-centers-in-california
#16
Sara L Ackerman, Urmimala Sarkar, Lina Tieu, Margaret A Handley, Dean Schillinger, Kenneth Hahn, Mekhala Hoskote, Gato Gourley, Courtney Lyles
Objective: US health care institutions are implementing secure websites (patient portals) to achieve federal Meaningful Use (MU) certification. We sought to understand efforts to implement portals in "safety net" health care systems that provide services for low-income populations. Materials and Methods: Our rapid ethnography involved visits at 4 California safety net health systems and in-depth interviews at a fifth. Visits included interviews with clinicians and executives ( n  = 12), informal focus groups with front-line staff ( n  = 35), observations of patient portal sign-up procedures and clinic work, review of marketing materials and portal use data, and a brief survey ( n  = 45)...
September 1, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28288826/evaluation-of-acute-and-subacute-toxicity-of-hydroethanolic-extract-of-dolichandra-unguis-cati-l-leaves-in-rats
#17
Juliana Calil Brondani, Fernanda Ziegler Reginato, Evelyne da Silva Brum, Marina de Souza Vencato, Cibele Lima Lhamas, Carine Viana, Maria Izabel Ugalde Marques da Rocha, Liliane de Freitas Bauermann, Melânia Palermo Manfron
ETHNOPHARMACOLOGICAL RELEVANCE: Dolichandra unguis-cati L. is a native climbing plant of Brazil, popularly known as "unha de gato". It has been traditionally used mainly as an antipyretic, anti-inflammatory and anti-tumor agent, yet little toxicological information is found in the literature. AIM OF THE STUDY: To identify the chemical composition of the hydroethanolic extract obtained from the leaves of Dolichandra uniguis-cati and to evaluate the acute and subacute toxicity in male and female rats, in order to assess the safety profile of this plant...
April 18, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28283906/dual-effect-of-chloramphenicol-peptides-on-ribosome-inhibition
#18
Anthony Bougas, Ioannis A Vlachogiannis, Dimitrios Gatos, Stefan Arenz, George P Dinos
Chloramphenicol peptides were recently established as useful tools for probing nascent polypeptide chain interaction with the ribosome, either biochemically, or structurally. Here, we present a new 10mer chloramphenicol peptide, which exerts a dual inhibition effect on the ribosome function affecting two distinct areas of the ribosome, namely the peptidyl transferase center and the polypeptide exit tunnel. According to our data, the chloramphenicol peptide bound on the chloramphenicol binding site inhibits the formation of both acetyl-phenylalanine-puromycin and acetyl-lysine-puromycin, showing, however, a decreased peptidyl transferase inhibition compared to chloramphenicol-mediated inhibition per se...
March 10, 2017: Amino Acids
https://www.readbyqxmd.com/read/28229833/portuguese-medical-students-knowledge-and-attitudes-towards-homosexuality
#19
Lucas Lopes, Jorge Gato, Manuel Esteves
INTRODUCTION: Lesbian, gay, bisexual and transgender people still face discrimination in healthcare environments and physicians often report lack of knowledge on this population's specific healthcare needs. In fact, recommendations have been put forward to include lesbian, gay, bisexual and transgender health in medical curricula. This study aimed to explore factors associated with medical students' knowledge and attitudes towards homosexuality in different years of the medical course...
November 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28216640/the-ubiquitin-ligase-cullin5-socs2-regulates-ndr1-stk38-stability-and-nf-%C3%AE%C2%BAb-transactivation
#20
Indranil Paul, Tanveer S Batth, Diego Iglesias-Gato, Amna Al-Araimi, Ibrahim Al-Haddabi, Amira Alkharusi, Gunnar Norstedt, Jesper V Olsen, Fahad Zadjali, Amilcar Flores-Morales
SOCS2 is a pleiotropic E3 ligase. Its deficiency is associated with gigantism and organismal lethality upon inflammatory challenge. However, mechanistic understanding of SOCS2 function is dismal due to our unawareness of its protein substrates. We performed a mass spectrometry based proteomic profiling upon SOCS2 depletion and yield quantitative data for ~4200 proteins. Through this screen we identify a novel target of SOCS2, the serine-threonine kinase NDR1. Over-expression of SOCS2 accelerates turnover, while its knockdown stabilizes, endogenous NDR1 protein...
February 20, 2017: Scientific Reports
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