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https://www.readbyqxmd.com/read/29161783/cancer-treatment-and-management-for-elderly-patients-80-years-of-age-or-older-with-malignant-solid-tumors
#1
Mao Matsubayashi, Fumihiro Oshita, Natsuki Kawata, Takafumi Yanagibashi, Satoshi Tanaka, Yoshiteru Hao, Yuichi Kurakami, Keisuke Iwabuchi, Yohsuke Kunishi, Mitsuyasu Ohta, Yuki Nakamura, Kohichiro Yoshie
We retrospectively analyzed the backgrounds, treatment and nursing care for 96 patients aged 80 years or more with malignant tumors. Twenty of them were hospitalized on an emergency basis. Sixty patients were male and 36 were female, with a median age of 83 years (range: 80-94 years). Twenty-seven had a PS of 3 or 4, and 41 were rated as not independent based on analysis of autonomy at hospitalization. Forty-seven patients had clinical stage III or IV malignancies. The proportions of patients with disease complications were 33...
November 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29161685/intergenotype-recombination-among-new-norovirus-gii-4-variants-in-the-complete-genome
#2
Jinfeng Xu, Tingjun Liu, Hua Wang, Hongxing Shen
GII.4 noroviruses (NoVs) are a major cause of acute gastroenteritis in humans. A new variant of GII.4, the Sydney variant, has recently become more prevalent on a global scale. Intragenotype recombinations are widespread within the pandemic NoV GII.4 lineage, and are likely to be important forces driving the evolution and emergence of novel GII.4 viruses. In this study, we sought to examine the role that intergenotype recombination has played in the emergence of GII.4 Sydney 2012 variants. The results show that the GII...
November 22, 2017: Intervirology
https://www.readbyqxmd.com/read/29161677/nanotechnology-based-recent-approaches-for-sensing-and-remediation-of-pesticides
#3
REVIEW
Deepak Rawtani, Nitasha Khatri, Sanjiv Tyagi, Gaurav Pandey
Pesticides are meant to control and destroy the pests and weeds. They are classified into different categories on the basis their origin and type of pest they target. Chemical pesticides such as insecticides, herbicides and fungicides are commonly used in agricultural fields. However, the excessive use of these agrochemicals have adverse effects on environment such as reduced population of insect pollinators, threat to endangered species and habitat of birds. Upon consumption; chemical pesticides also cause various health issues such as skin, eye and nervous system related problems and cancer upon prolonged exposure...
November 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29161600/monitoring-wastewater-for-assessing-community-health-sewage-chemical-information-mining-scim
#4
Christian G Daughton
Timely assessment of the aggregate health of small-area human populations is essential for guiding the optimal investment of resources needed for preventing, avoiding, controlling, or mitigating human exposure risks, as well as for maintaining or promoting health. Seeking those interventions yielding the greatest benefit with respect to the allocation of resources is critical for making progress toward community sustainability, reducing health disparities, promoting social justice, and maintaining or improving collective health and well-being...
November 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29161594/clathrin-assembly-defines-the-onset-and-geometry-of-cortical-patterning
#5
Yang Yang, Ding Xiong, Anne Pipathsouk, Orion D Weiner, Min Wu
Assembly of the endocytic machinery is a constitutively active process that is important for the organization of the plasma membrane, signal transduction, and membrane trafficking. Existing research has focused on the stochastic nature of endocytosis. Here, we report the emergence of the collective dynamics of endocytic proteins as periodic traveling waves on the cell surface. Coordinated clathrin assembly provides the earliest spatial cue for cortical waves and sets the direction of propagation. Surprisingly, the onset of clathrin waves, but not individual endocytic events, requires feedback from downstream factors, including FBP17, Cdc42, and N-WASP...
November 20, 2017: Developmental Cell
https://www.readbyqxmd.com/read/29161582/the-role-of-emotional-clarity-and-distress-tolerance-in-deliberate-self-harm-in-a-sample-of-trauma-exposed-inpatient-adolescents-at-risk-for-suicide
#6
Andres G Viana, Emma C Woodward, Elizabeth M Raines, Abigail E Hanna, Michael J Zvolensky
OBJECTIVE: The purpose of this study was to examine distress tolerance as a moderator of the relationship between emotional clarity and deliberate self-harm (DSH) in a diverse sample of trauma-exposed adolescents in acute psychiatric care at high risk of suicidal behavior. It was hypothesized that distress tolerance would emerge as a significant moderator, such that the association between emotional clarity and DSH would be significant among youth with high, but not low, distress tolerance...
October 28, 2017: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29161558/electrical-synapses-new-rules-for-assembling-an-old-structure-asymmetrically
#7
James I Nagy, John E Rash
Electrical synapses are emerging as complex structures, consisting of gap junction-forming connexin proteins and also multiple scaffolding and regulatory protein components, which were assumed to be symmetrically organized across these synapses; however, new findings reveal their synaptic asymmetry.
November 20, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/29161531/pulmonary-safety-and-tolerability-of-inhaled-levodopa-cvt-301-administered-to-patients-with-parkinson-s-disease
#8
Peter A LeWitt, Rajesh Pahwa, Alexander Sedkov, Ann Corbin, Richard Batycky, Harald Murck
BACKGROUND: CVT-301, an inhaled levodopa (LD) formulation, is under development for relief of OFF periods in Parkinson's disease (PD). Previously, we reported that CVT-301 improved OFF symptoms relative to placebo. In this study, we evaluate pulmonary function in patients treated with a single dose of CVT-301 or placebo for 3 hours, or received multiple doses/day for 4 weeks. METHODS: As part of two phase 2 studies, pulmonary safety and tolerability of CVT-301 were evaluated in PD patients experiencing motor fluctuations (≥2 hours OFF/day), Hoehn and Yahr stage 1-3, and forced expiratory volume in 1 second/forced vital capacity ratio ≥75% of predicted (in ON state)...
November 21, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/29161522/development-of-a-measure-to-assess-parent-perceptions-of-barriers-to-child-weight-management
#9
Katherine E Darling, Amy F Sato, Manfred van Dulmen, Christopher Flessner, Geoffrey Putt
BACKGROUND: Families face many barriers related to creating or maintaining a healthy lifestyle, which likely contributes to the prevalence of childhood obesity in the United States; however, no measure currently exists to examine these barriers. This study developed a quantitative measure of parents' perceptions of barriers to family healthy lifestyle. METHODS: Parents of children between the ages of 7-17 were recruited using Amazon Mturk (n = 812). Exploratory and confirmatory factor analyses and preliminary convergent validity analyses were conducted...
November 21, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/29161495/essential-oils-and-their-components-as-an-alternative-in-the-control-of-mosquito-vectors-of-disease
#10
Sergio Andrade Ochoa, Luvia E Sánchez-Torres, Guadalupe Virginia Nevárez-Moorillón, Alejandro D Camacho, Benjamín Nogueda-Torres
More than half of the human population is exposed to mosquito-borne infections. Climate change and the emergence of strains resistant to traditionally used insecticides have motivated the search of new agents for mosquito population control. Essential oils have been effective repellents and larvicidal agents.The aim of this work was to review research studies conducted in recent years on the larvicidal activity of essential oils and their components against Aedes, Anopheles and Culex mosquitoes, as well as the latest reports about their possible mechanism of action...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161479/-laboratory-susceptibility-tests-of-aedes-aegypti-and-culex-quinquefasciatus-larvae-to-the-entomopathogenic-nematode-heterorhabditis-bacteriophora
#11
Carolina Ulvedal, Marìa Alejandra Bertolotti, Susana Raquel Cagnolo, Walter Ricardo Almirón
INTRODUCTION: Aedes aegypti is the vector of dengue, yellow fever, Zika and Chikungunya viruses, and Culex quinquefasciatus is the vector of St. Louis and West Nile encephalitis viruses. OBJECTIVE: To evaluate infectivity of Heterorhabditis bacteriophora N4 in C. quinquefasciatus and A. aegypti larvae under laboratory conditions. MATERIALS AND METHODS: Thirty second-instar larvae of the two mosquito species were exposed each to different doses (0:1, 1:1, 5:1, 15:1, 100:1, 500:1, 750:1 and 1,500:1) of nematode infective juveniles...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29161457/the-soluble-guanylate-cyclase-cyg12-is-required-for-the-acclimation-to-hypoxia-and-trophic-regimes-in-chlamydomonas-reinhardtii
#12
Melis Düner, Jan Lambertz, Carolin Mügge, Anja Hemschemeier
Oxygenic phototrophs frequently encounter environmental conditions that result in intracellular energy crises. Growth of the unicellular green alga Chlamydomonas reinhardtii in hypoxia in the light depends on acclimatory responses of which the induction of photosynthetic cyclic electron flow is essential. The microalga cannot grow in the absence of molecular oxygen (O2 ) in the dark, although it possesses an elaborate fermentation metabolism. Not much is known about how the microalga senses and signals the lack of O2 or about its survival strategies during energy crises...
November 21, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29161455/responding-to-concerning-posts-on-social-media-insights-and-solutions-from-american-indian-and-alaska-native-youth
#13
Jesse Gritton, Stephanie Craig Rushing, David Stephens, Thomas Ghost Dog, Bradley Kerr, Megan A Moreno
PURPOSE: This study aimed to understand American Indian and Alaska Native (AI/AN) adolescents' perspectives on concerning social media posts, including those expressing suicidal intent. METHODS: A purposive sample of AI/AN youth were recruited; trained facilitators conducted focus groups. Participants discussed experiences viewing concerning posts on social media. Qualitative analysis used the constant comparative method. RESULTS: A total of 32 AI/AN youth ages 14-22 participated...
2017: American Indian and Alaska Native Mental Health Research: the Journal of the National Center
https://www.readbyqxmd.com/read/29161451/combat-ptsd-and-smoking-trajectory-in-a-cohort-of-male-australian-army-vietnam-veterans
#14
Brian I O'Toole, Robyn Kirk, Renée Bittoun, Stanley V Catts
Background: Whether trauma exposure itself or consequent posttraumatic stress disorder (PTSD) is primarily responsible for smoking and failure to quit remains unclear. Methods: A cohort of male Australian Vietnam veterans (N = 388) was interviewed twice, 22 and 36 years after their return to Australia using standardized psychiatric diagnostic and health interviews and assessment of combat exposure. The smoking trajectory over time revealed a spectrum of outcomes (never smoked, early quitters, late quitters, continuing smokers)...
November 17, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29161447/dna-polymerase-beta-participates-in-dna-end-joining
#15
Sreerupa Ray, Gregory Breuer, Michelle DeVeaux, Daniel Zelterman, Ranjit Bindra, Joann B Sweasy
DNA double strand breaks (DSBs) are one of the most deleterious lesions and if left unrepaired, they lead to cell death, genomic instability and carcinogenesis. Cells combat DSBs by two pathways: homologous recombination (HR) and non-homologous end-joining (NHEJ), wherein the two DNA ends are re-joined. Recently a back-up NHEJ pathway has been reported and is referred to as alternative NHEJ (aNHEJ), which joins ends but results in deletions and insertions. NHEJ requires processing enzymes including nucleases and polymerases, although the roles of these enzymes are poorly understood...
November 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29161442/origin-and-evolution-of-the-bartonella-gene-transfer-agent
#16
Daniel Tamarit, Minna-Maria Neuvonen, Philipp Engel, Lionel Guy, Siv G E Andersson
Gene transfer agents (GTAs) are domesticated bacteriophages that have evolved into molecular machines for the transfer of bacterial DNA. Despite their widespread nature and their biological implications, the mechanisms and selective forces that drive the emergence of GTAs are still poorly understood. Two GTAs have been identified in the Alphaproteobacteria: the RcGTA, which is widely distributed in a broad range of species; and the BaGTA, which has a restricted host range that includes vector-borne intracellular bacteria of the genus Bartonella...
November 17, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29161397/abdominal-aortic-aneurysm-repair-in-the-united-kingdom-an-exemplar-for-the-role-of-anaesthetists-in-perioperative-medicine
#17
S J Howell
The past two decades have seen an increasing recognition that the delivery of safe surgery with low complication rates and good long-term outcomes is a team endeavour embracing the whole patient care pathway. The key role of the anaesthetist in managing the patient through the surgical process is widely understood and has driven the emergence of perioperative medicine. In parallel with these developments there has been a sea change in the organisation of the care of patients presenting for elective abdominal aortic aneurysm (AAA) repair...
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29161394/managing-anaesthetic-provision-for-global-disasters
#18
R M Craven
The numbers of people affected by large-scale disasters has increased in recent decades. Disasters produce a huge burden of surgical morbidity at a time when the affected country is least able to respond. For this reason an international disaster response is often required. For many years this disaster response was not coordinated. The response consisted of what was available not what was needed and standards of care varied widely producing a healthcare lottery for the affected population. In recent years the World Health organisation has initiated the Emergency Medical Team programme to coordinate the response to disasters and set minimum standards for responding teams...
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29161390/thiopental-to-desflurane-an-anaesthetic-journey-where-are-we-going-next
#19
J R Sneyd
Development targets in anaesthetic pharmacology have evolved from minimizing harm caused by unwanted effects through an era in which rapid onset and offset of drug effect were prioritised. Today's anaesthetists have access to a library of effective drugs whose characteristics offer controllable hypnosis, analgesia and paralysis with manageable off-target effects. The availability of these agents at generic prices inhibits commercial interest and this is reflected in the limited number of current anaesthetic drug development projects...
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29161368/management-of-cardiac-tamponade-in-catheter-ablation-of-atrial-fibrillation-single-centre-15%C3%A2-year-experience-on-5222-procedures
#20
Rikuta Hamaya, Shinsuke Miyazaki, Hiroshi Taniguchi, Shigeki Kusa, Hiroaki Nakamura, Hitoshi Hachiya, Takatsugu Kajiyama, Tomonori Watanabe, Miyako Igarashi, Kenzo Hirao, Yoshito Iesaka
Aims: Cardiac tamponade during atrial fibrillation (AF) ablation is infrequent but potentially fatal. This study aimed to retrospectively investigate the incidence, management, and outcomes of tamponade in large patient series. Methods and results: The study analysed 5222 AF ablation procedures in 3483 patients between 2002 and 2016 under a heparin-bridge anticoagulation protocol. Cardiac tamponade occurred in 51 procedures/patients, and the incidence was 0...
November 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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