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https://www.readbyqxmd.com/read/28812890/jaqpot-quattro-a-novel-computational-web-platform-for-modelling-and-analysis-in-nanoinformatics
#1
Charalampos Chomenidis, Georgios Drakakis, Georgia Tsiliki, Evangelia Anagnostopoulou, Angelos Valsamis, Philip Doganis, Pantelis Sopasakis, Haralambos Sarimveis
Engineered nanomaterials (ENMs) are increasingly infiltrating our lives due to their applications across multiple fields. However, ENM formulations may result in the modulation of pathways and mechanisms of toxic action that endanger human health and the environment. Alternative testing methods such as in silico approaches are becoming increasingly popular for assessing the safety of ENMs as they are cost- and time- effective. Additionally, computational approaches support the industrial safer-by-design challenge and the REACH legislation objective of reducing animal testing...
August 16, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28811541/effects-of-cations-on-the-behaviour-of-lipid-cubic-phases
#2
Christopher Brasnett, Georgia Longstaff, Laura Compton, Annela Seddon
Inverse bicontinuous cubic structures formed by lipids have been demonstrated in a wide variety of applications, from a host matrix for proteins for crystallisation, to templates for nanoscale structures. Recent work has focused on tuning their properties to realize such applications, often by manipulating the structure by introducing other lipids with different properties such as charge or packing. However, they are often prepared in the presence of solutions containing salt, counteracting the effects, for example, charged lipids, and fundamentally changing the structures obtained...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810432/reliability-and-validity-of-the-perceived-stress-scale-10-in-hispanic-americans-with-english-or-spanish-language-preference
#3
Sharon H Baik, Rina S Fox, Sarah D Mills, Scott C Roesch, Georgia Robins Sadler, Elizabeth A Klonoff, Vanessa L Malcarne
This study examined the psychometric properties of the Perceived Stress Scale-10 among 436 community-dwelling Hispanic Americans with English or Spanish language preference. Multigroup confirmatory factor analysis examined the factorial invariance of the Perceived Stress Scale-10 across language groups. Results supported a two-factor model (negative, positive) with equivalent response patterns and item intercepts but different factor covariances across languages. Internal consistency reliability of the Perceived Stress Scale-10 total and subscale scores was good in both language groups...
January 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810062/the-association-between-patient-attitudes-and-values-and-the-strength-of-consideration-for-contralateral-prophylactic-mastectomy-in-a-population-based-sample-of-breast-cancer-patients
#4
Sarah T Hawley, Kent A Griffith, Ann S Hamilton, Kevin C Ward, Monica Morrow, Nancy K Janz, Steven J Katz, Reshma Jagsi
BACKGROUND: Little is known about how the individual decision styles and values of breast cancer patients at the time of treatment decision making are associated with the consideration of different treatment options and specifically with the consideration of contralateral prophylactic mastectomy (CPM). METHODS: Newly diagnosed patients with early-stage breast cancer who were treated in 2013-2014 were identified through the Surveillance, Epidemiology, and End Results registries of Los Angeles and Georgia and were surveyed approximately 7 months after surgery (n = 2578; response rate, 71%)...
August 15, 2017: Cancer
https://www.readbyqxmd.com/read/28807732/diagnostic-capability-of-peripapillary-3d-retinal-nerve-fiber-layer-volume-for-glaucoma-using-optical-coherence-tomography-volume-scans
#5
Ziad Khoueir, Firas Jassim, Linda Yi-Chieh Poon, Edem Tsikata, Geulah S Ben-David, Yingna Liu, Eric Shieh, Ramon Lee, Rong Guo, Georgia Papadogeorgou, Boy Braaf, Huseyin Simavli, Christian Que, Benjamin J Vakoc, Brett E Bouma, Johannes de Boer, Teresa C Chen
PURPOSE: To determine the diagnostic capability of peripapillary 3-dimensional (3D) retinal nerve fiber layer (RNFL) volume measurements from spectral domain optical coherence tomography (OCT) volume scans for open angle glaucoma (OAG). DESIGN: Assessment of diagnostic accuracy. METHODS: Setting: Academic clinical setting. STUDY POPULATION: 180 patients (113 OAG and 67 normal subjects). OBSERVATION PROCEDURES: One eye per subject was included...
August 11, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28803888/cancer-risk-in-hiv-infected-people-in-the-usa-from-1996-to-2012-a-population-based-registry-linkage-study
#6
Raúl U Hernández-Ramírez, Meredith S Shiels, Robert Dubrow, Eric A Engels
BACKGROUND: Monitoring cancer risk among HIV-infected people in the modern antiretroviral therapy (ART) era is essential given their elevated risk for many cancers and prolonged survival with immunosuppression, ART exposure, and ageing. We aimed to examine cancer risk in HIV-infected people in the USA as compared with that in the general population. METHODS: We did a registry-linkage study with data from population-based HIV and cancer registries in the USA (the HIV/AIDS Cancer Match Study)...
August 10, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28802542/the-impact-of-intravenous-alteplase-on-long-term-patient-survival-the-georgia-coverdell-acute-stroke-registry-s-experience
#7
Moges S Ido, Michael R Frankel, Ike S Okosun, Richard B Rothenberg
INTRODUCTION: Intravenous alteplase reduces disability and improves functionality among acute ischemic stroke patients. Two decades after its approval, only a small fraction of patients get the treatment, and demonstrating its impact on mortality may make a strong case for its wider use. This study assessed the impact of thrombolytic treatment by alteplase on 1-year mortality and readmission among acute ischemic stroke patients. METHOD: The 2008-2013 Georgia Coverdell Acute Stroke Registry data were linked with the 2008-2013 hospital discharge and the 2008-2014 death data in Georgia...
July 31, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28801725/optimization-of-soluble-expression-and-purification-of-recombinant-human-rhinovirus-type-14-3c-protease-using-statistically-designed-experiments-isolation-and-characterization-of-the-enzyme
#8
Georgia Antoniou, Irineos Papakyriacou, Christos Papaneophytou
Human rhinovirus (HRV) 3C protease is widely used in recombinant protein production for various applications such as biochemical characterization and structural biology projects to separate recombinant fusion proteins from their affinity tags in order to prevent interference between these tags and the target proteins. Herein, we report the optimization of expression and purification conditions of glutathione S-transferase (GST)-tagged HRV 3C protease by statistically designed experiments. Soluble expression of GST-HRV 3C protease was initially optimized by response surface methodology (RSM), and a 5...
August 11, 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28799502/mitochondrial-dynamics-and-proteins-related-to-neurodegenerative-diseases
#9
Athanasios Alexiou, Bilal Nizami, Faez Iqbal Khan, Georgia Soursou, Charalampos Vairaktarakis, Stylianos Chatzichronis, Vasilis Tsiamis, Vasileios Manztavinos, Nagendra Sastry Yarla, Ghulam Md Ashraf
Disruptions in the regulation of mitochondrial dynamics and the occurrence of proteins misfolding lead to neuronal death, resulting in Age-related Dementia and Neurodegenerative diseases as well as Frailty. Functional, neurophysiologic and biochemical alterations within the mitochondrial populations can reveal deficits in brain energy metabolism resulting in Mild Cognitive Impairment, abnormal neural development, autonomic dysfunction and other mitochondrial disorders. Additionally, in cases of Alzheimer's disease or Parkinson's disease, a significant number of proteins seems to form unordered and problematic structures, leading through unknown mechanisms to pathological conditions...
August 10, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28797851/palliative-care-development-in-georgia
#10
Nina Kiknadze, Pati Dzotsenidze
Georgia has established the foundational measures for a national palliative care program-policy, education, drug availability, and implementation. Amendments to legislation needed to develop palliative care have been approved. Palliative care has been recognized as a subspecialty in oncology, critical care, internal medicine and surgery. The National Plan for Palliative Care for 2011-2016 was approved. Opioids, especially oral morphine, are available on a limited basis for patients at home but oral morphine is not available for patients in the hospital...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28797398/right-middle-lobe-collapse-and-pleural-effusion-in-an-18-year-old-man
#11
Joshua Patterson, David Graham, Alan George, Micah Will, Deena Sutter
An 18-year-old African American male subject presented to an acute care clinic with 3 days of productive cough, chills, pleuritic right chest pain, sore throat with hoarseness, congestion, and intermittent shortness of breath. He recently relocated to Texas from Georgia to undergo basic military training. He denied any other recent travel or contact with persons with pulmonary TB or other respiratory illnesses. His medical history was significant for glucose-6-phosphate dehydrogenase deficiency and sickle cell trait...
August 2017: Chest
https://www.readbyqxmd.com/read/28796689/partnering-of-public-academic-and-private-entities-to-reestablish-maternal-mortality-review-in-georgia
#12
Michael K Lindsay, David Goodman, Seema Csukas, Pat Cota, Tammy L Loucks, Jane E Ellis
The pregnancy-related mortality ratio in the United States has increased over the past 25 years. Georgia's pregnancy-related mortality ratio is among the highest in the United States. Confronted with this harsh reality, Georgia reestablished maternal mortality review as one strategy to address its high maternal mortality. To achieve a comprehensive process for review of maternal deaths involved securing the knowledge, resources, and support of physician experts, public health agencies and professional organizations as well as representatives in the state legislature...
August 4, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28796659/eosinophilic-cells-autoimplants-degree-of-cellular-proliferation-and-adenofibroma-pattern-are-important-histologic-findings-in-ovarian-borderline-tumors
#13
Georgia Karpathiou, Melany Venet, Celine Chauleur, Fressia Honeyman, Francois Casteillo, Michel Peoc'h
Ovarian borderline tumors can show histologic features, such as different degrees of cellular proliferation, eosinophilic cells, autoimplants, and adenofibromatous architecture, the importance of which is not known. The aim of the study was to describe these features and correlate them with clinical characteristics. Eighty-three ovarian borderline tumors were studied for the aforementioned features. These were correlated with clinicopathologic features. Epithelial proliferation was associated with the T stage in serous tumors (P=0...
September 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28795831/problem-solving-therapy-for-suicide-prevention-in-veterans-with-moderate-to-severe-traumatic-brain-injury
#14
Sean M Barnes, Lindsey L Monteith, Georgia R Gerard, Adam S Hoffberg, Beeta Y Homaifar, Lisa A Brenner
OBJECTIVE: Develop and test the acceptability and feasibility of Problem-Solving Therapy for Suicide Prevention (PST-SP), a group intervention aimed at improving problem solving and preventing suicide, among Veterans with hopelessness and moderate-to-severe traumatic brain injury (TBI). RESEARCH METHOD: Following treatment development, 16 U.S. Veterans with moderate-to-severe TBI and a Beck Hopelessness Scale score ≥4 participated in an acceptability and feasibility pilot study of PST-SP at a Veterans Affairs Medical Center...
August 10, 2017: Rehabilitation Psychology
https://www.readbyqxmd.com/read/28794027/hiv-dna-adenovirus-multiclade-envelope-vaccine-induces-gp41-antibody-immunodominance-in-rhesus-macaques
#15
Qifeng Han, Wilton B Williams, Kevin O Saunders, Kelly E Seaton, Kevin J Wiehe, Nathan Vandergrift, Tarra Von Holle, Ashley M Trama, Robert J Parks, Kan Luo, Thaddeus C Gurley, Thomas B Kepler, Dawn J Marshall, David C Montefiori, Laura L Sutherland, Munir S Alam, John F Whitesides, Cindy Bowman, Sallie R Permar, Barney S Graham, John R Mascola, Patrick C Seed, Koen K A Van Rompay, Georgia D Tomaras, Michael A Moody, Barton F Haynes
Dominant antibody responses in vaccinees who received the multiclade (A, B and C) envelope (Env) DNA/rAd5 vaccine studied in the HIV-1 vaccine trials network (HVTN) efficacy trial 505 (HVTN 505), targeted Env gp41 and cross-reacted with microbial antigens. In this study, we asked if the DNA/rAd5 vaccine induced a similar antibody response in rhesus macaques (RMs) that are commonly used as an animal model for human HIV-1 infections and for testing candidate HIV-1 vaccines. We also asked if gp41 immunodominance could be avoided by immunization of neonatal RMs during the early stages of microbial colonization...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28792283/reasons-for-marijuana-and-tobacco-co-use-among-young-adults-a-mixed-methods-scale-development-study
#16
Carla J Berg, Jackelyn Payne, Lisa Henriksen, Patricia Cavazos-Rehg, Betelihem Getachew, Gillian L Schauer, Regine Haardörfer
BACKGROUND: Marijuana-tobacco co-use has increased recently, particularly in young adults. OBJECTIVES: We conducted a mixed-methods study to: (1) examine reasons for co-use; and (2) develop a scale assessing reasons for co-use among participants in a longitudinal cohort study of 3,418 students aged 18-25 from 7 Georgia colleges and universities. METHODS: Phone-based semi-structured interviews were conducted in Summer 2015 among 46 current (past 30-day, n = 26) or lifetime (n = 20) marijuana users...
August 9, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28792230/exercise-capacity-and-haemodynamic-response-among-12-327-individuals-with-cardio-metabolic-risk-factors-undergoing-treadmill-exercise
#17
Christina Chrysohoou, John Skoumas, Georgios Georgiopoulos, Catherine Liontou, Georgia Vogiatzi, Konstantinos Tsioufis, Stamatios Lerakis, Dimitrios Soulis, Christos Pitsavos, Dimitris Tousoulis
Aims Haemodynamic parameters during and after exercise test seem to have a role in predicting cardiovascular events. We sought to evaluate the potential different responses in exercise capacity, heart rate and blood pressure levels in relation to major cardiovascular disease risk factors, among individuals undergoing exercise tolerance testing. Methods and results Consecutive individuals ( N = 12,327), aged 55 ± 11.8 years, underwent exercise tolerance testing, using the Bruce protocol. Obese participants showed higher values of peak systolic and diastolic blood pressure ( p < 0...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28791805/ecological-factors-influencing-the-beneficial-endosymbionts-of-the-hemlock-woolly-adelgid-hemiptera-adelgidae
#18
Angela M Mech, Sherilyn J Harper, Nathan P Havill, Carol D von Dohlen, Gaelen R Burke
Bacterial endosymbionts of sap-sucking insects provide their host with a number of beneficial qualities, including the supply of nutrition, defense against parasitoids, and protection from heat stress. Damage to these bacterial associates can therefore have a negative impact on the fitness of their insect host. We evaluated observational and experimental factors regarding the non-native hemlock woolly adelgid (Adelges tsugae Annand) (Hemiptera: Adelgidae) to help understand the roles of its three recently identified symbionts, including under heat stress conditions...
August 9, 2017: Insect Science
https://www.readbyqxmd.com/read/28791174/locomotor-performance-of-cane-toads-differs-between-native-range-and-invasive-populations
#19
Georgia Kosmala, Keith Christian, Gregory Brown, Richard Shine
Invasive species provide a robust opportunity to evaluate how animals deal with novel environmental challenges. Shifts in locomotor performance-and thus the ability to disperse-(and especially, the degree to which it is constrained by thermal and hydric extremes) are of special importance, because they might affect the rate that an invader can spread. We studied cane toads (Rhinella marina) across a broad geographical range: two populations within the species' native range in Brazil, two invasive populations on the island of Hawai'i and eight invasive populations encompassing the eastern, western and southern limits of the toad invasion in Australia...
July 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28790544/factors-associated-with-hemodialysis-machine-dependency
#20
Maria Polikandrioti, Ioannis Koutelekos, Georgia Gerogianni, Spyridoula Stefanidou, Vasilis Kyriakopoulos, Eirini Floraki, Fotoula Babatsikou
INTRODUCTION: Hemodialysis is one of major stresses in patients' daily lives since there is no other path for life maintenance but to accept the machine and its' related rules. PURPOSE: of this study was to explore factors associated with dependency on dialysis machine as reported by the patients. MATERIAL AND METHODS: The sample of the study included 250 patients undergoing hemodialysis. For data collection a questionnaire specially designed for the needs of the research was used...
April 2017: Medical Archives
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