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https://www.readbyqxmd.com/read/28927262/autophagy-is-pro-senescence-when-seen-in-close-up-but-anti-senescence-in-long-shot
#1
Yoojin Kwon, Ji Wook Kim, Jo Ae Jeoung, Mi-Sung Kim, Chanhee Kang
When mammalian cells and animals face a variety of internal or external stresses, they need to make homeostatic changes so as to cope with various stresses. To this end, mammalian cells are equipped with two critical stress responses, autophagy and cellular senescence. Autophagy and cellular senescence share a number of stimuli including telomere shortening, DNA damage, oncogenic stress and oxidative stress, suggesting their intimate relationship. Autophagy is originally thought to suppress cellular senescence by removing damaged macromolecules or organelles, yet recent studies also indicated that autophagy promotes cellular senescence by facilitating the synthesis of senescence-associated secretory proteins...
September 20, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28926994/the-metabolic-response-to-stress-and-infection-in-critically-ill-children-the-opportunity-of-an-individualized-approach
#2
REVIEW
Valentina De Cosmi, Gregorio Paolo Milani, Alessandra Mazzocchi, Veronica D'Oria, Marco Silano, Edoardo Calderini, Carlo Agostoni
The metabolic response to stress and infection is closely related to the corresponding requirements of energy and nutrients. On a general level, the response is driven by a complex endocrine network and related to the nature and severity of the insult. On an individual level, the effects of nutritional interventions are highly variable and a possible source of complications. This narrative review aims to discuss the metabolic changes in critically-ill children and the potential of developing personalized nutritional interventions...
September 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28926720/recent-advances-in-proteomic-profiling-of-pancreatic-ductal-adenocarcinoma-and-the-road-ahead
#3
Hyunsoo Kim, Joonho Park, Joseph I Wang, Youngsoo Kim
Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest cancers worldwide. However, there remain many unmet clinical needs, from diagnosis to treatment strategies. The inherent complexity of the molecular characteristics of PDAC has made it difficult to meet these challenges, rendering proteomic profiling of PDAC a critical area of research. Area covered: In this review, we present recent advances in mass spectrometry (MS) and its current application in proteomic studies on PDAC. In addition, we discuss future directions for research that can efficiently incorporate current MS-based technologies that address key issues of PDAC proteomics...
September 19, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28926617/hidden-biodiversity-in-entomological-collections-the-overlooked-co-occurrence-of-dipteran-and-hymenopteran-ant-parasitoids-in-stored-biological-material
#4
Gabriela Pérez-Lachaud, Jean-Paul Lachaud
Biological collections around the world are the repository of biodiversity on Earth; they also hold a large quantity of unsorted, unidentified, or misidentified material and can house behavioral information on species that are difficult to access or no longer available to science. Among the unsorted, alcohol-preserved material stored in the Formicidae Collection of the 'El Colegio de la Frontera Sur' Research Center (Chetumal, Mexico), we found nine colonies of the ponerine ant Neoponera villosa, that had been collected in bromeliads at Calakmul (Campeche, Mexico) in 1999...
2017: PloS One
https://www.readbyqxmd.com/read/28926192/testing-of-a-bioactive-moldable-bone-graft-substitute-in-an-infected-critically-sized-segmental-defect-model
#5
Matt E Brown, Yuan Zou, Rebecca Peyyala, Sarandeep S Huja, Larry L Cunningham, Todd A Milbrandt, Thomas D Dziubla, David A Puleo
Large infected bone defects, often resulting from high energy traumas, are difficult to treat due to their variability in complexity and location. Standard treatment for infected bone defects begins with a protocol that includes a series of debridements in conjunction with an extended course of systemic antibiotics. Only after the infection has been eliminated will repair of the defect commence, typically with implantation of autologous bone. To address some of the shortcomings of the standard treatment methods, such as serial procedures, limited grafting material, and the need for a second surgical site for autologous bone, a sequential, dual drug-releasing, moldable, calcium sulfate-based bone graft substitute was developed previously...
September 19, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28926013/insights-for-the-assessment-of-the-economic-impact-of-endemic-diseases-specific-adaptation-of-economic-frameworks-using-the-case-of-bovine-viral-diarrhoea
#6
A W Stott, G J Gunn
Generic frameworks for the economic analysis of farm animal disease are now well established. The paper, therefore, uses bovine viral diarrhoea (BVD) as an example to explore how these frameworks need to be adapted to fit the characteristics of a particular disease and the specific objectives of the analysis. In the case of BVD, given the relative strength of tests available to correctly identify virus-positive animals, thus enabling them to be culled, the emphasis has been on cost-benefit analysis of regional and national certification/eradication schemes...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28926007/economics-for-assisting-policy-makers-to-take-decisions-about-new-and-endemic-diseases
#7
T E Carpenter
Animal health policy-makers are frequently faced with making decisions concerning the control and exclusion of diseases in livestock and wildlife populations. Economics is one of the tools they have to aid their decision-making. It can enable them to make objective decisions based on the expected costs and benefits of their policy. In addition, economics can help them determine both the distribution impact and the indirect impact of their decisions. However, economics is only one of many tools available to policy-makers, who also need to consider non-economic outcomes in their decision-making process...
April 2017: Revue Scientifique et Technique
https://www.readbyqxmd.com/read/28925948/a-direct-coarray-interpolation-approach-for-direction-finding
#8
Tao Chen, Muran Guo, Limin Guo
Sparse arrays have gained considerable attention in recent years because they can resolve more sources than the number of sensors. The coprime array can resolve O ( M N ) sources with only O ( M + N ) sensors, and is a popular sparse array structure due to its closed-form expressions for array configuration and the reduction of the mutual coupling effect. However, because of the existence of holes in its coarray, the performance of subspace-based direction of arrival (DOA) estimation algorithms such as MUSIC and ESPRIT is limited...
September 19, 2017: Sensors
https://www.readbyqxmd.com/read/28925884/prevention-and-treatment-for-chemotherapy-induced-peripheral-neuropathy-therapies-based-on-cipn-mechanisms
#9
Lang-Yue Hu, Wen-Li Mi, Gen-Cheng Wu, Yan-Qing Wang, Qi-Liang Mao-Ying
BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) is a progressive, enduring, and often irreversible adverse effect of many antineoplastic agents, among which sensory abnormities are common and the most suffering issues. The pathogenesis of CIPN has not been completely understood, and strategies for CIPN prevention and treatment are still open problems for medicine. OBJECTIVES: The objective of this paper is to review the mechanism-based therapies against sensory abnormities in CIPN...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28925855/to-share-or-not-to-share-a-cross-sectional-study-on-health-information-sharing-and-its-determinants-among-chinese-rural-chronic-patients
#10
Hang Fu, Dong Dong, Da Feng, Zhifei He, Shangfeng Tang, Qian Fu, Zhanchun Feng
To examine the determinants of the health information sharing among rural Chinese chronic patients. Two large population-based surveys in rural China were carried out from July 2011 to April 2012. Data used in this study were second hand and sorted out from the two previous databases. A binary logistic regression analysis was employed to discover the impact of demographic characteristics, level of health literacy, and other factors on respondents' health information sharing behavior. Among the total 1,324 participants, 63...
September 19, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28925813/what-patients-think-about-choice-in-healthcare-a-study-on-primary-care-services-in-finland
#11
Anna-Mari Aalto, Marko Elovainio, Liina-Kaisa Tynkkynen, Eeva Reissell, Tuulikki Vehko, Miisa Chydenius, Timo Sinervo
BACKGROUND: The ongoing Finnish health and social service reform will expand choice by opening the market for competition between public and private service providers. This study examined the attitudes of primary care patients towards choice and which patient-related factors are associated with these attitudes. METHODS: A sample of attenders during one week in health centres of 12 big cities and municipal consortiums (including seven outsourced local units) and in primary care units of one private company providing outsourced services for municipalities (aged 18-95, n=8128) was used...
September 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28925391/ezh2-contributes-to-the-response-to-parp-inhibitors-through-its-parp-mediated-poly-adp-ribosylation-in-breast-cancer
#12
H Yamaguchi, Y Du, K Nakai, M Ding, S-S Chang, J L Hsu, J Yao, Y Wei, L Nie, S Jiao, W-C Chang, C-H Chen, Y Yu, G N Hortobagyi, M-C Hung
Inhibitors against poly (ADP-ribose) polymerase (PARP) are promising targeted agents currently used to treat BRCA-mutant ovarian cancer and are in clinical trials for other cancer types, including BRCA-mutant breast cancer. To enhance the clinical response to PARP inhibitors (PARPis), understanding the mechanisms underlying PARPi sensitivity is urgently needed. Here, we show enhancer of zeste homolog 2 (EZH2), an enzyme that catalyzes H3 lysine trimethylation and associates with oncogenic function, contributes to PARPi sensitivity in breast cancer cells...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28925103/autoimmune-diseases-involving-skin-and-intestinal-mucosa-are-more-frequent-in-adolescents-and-young-adults-suffering-from-atopic-dermatitis
#13
REVIEW
Francesca Cipriani, Alice Marzatico, Giampaolo Ricci
Evidence has emerged about the relationship between atopic dermatitis (AD) and autoimmune diseases, but the underlying mechanism of this association is complex and still unclear. Recent epidemiological data from the published work suggest a positive correlation. The aim of this review is to analyze the frequency of co-occurrence of AD and autoimmune diseases. Our systematic review included 22 articles from PubMed describing the reciprocal association between AD and autoimmune diseases. Although not all the studies achieved statistically significant results, patients suffering from autoimmune diseases involving skin and intestinal mucosa, such as vitiligo, alopecia areata, celiac disease and inflammatory bowel diseases, showed a higher risk to have AD as comorbidity...
September 19, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28925092/the-ontogeny-of-developmental-buffering-in-lizard-head-shape
#14
Marko M Lazić, Dennis Rödder, Antigoni Kaliontzopoulou
Canalization and developmental stability (DS) are important organismal properties involved in determining the level of phenotypic variation. Ontogenetic patterns of phenotypic variance components can shed light on the mechanistic basis of developmental buffering (DB). Here, we analyze how individual FA and among-individual variation in head shape change in ontogenetic series of three lizard species raised in laboratory. The degree of asymmetry increased slightly with size, suggesting that developmental mechanisms hypothesized to correct for deviations either do not exist, or that their efficiency is truncated with increasing size...
September 19, 2017: Evolution & Development
https://www.readbyqxmd.com/read/28924747/effectiveness-of-intensive-primary-care-interventions-a-systematic-review
#15
Samuel T Edwards, Kim Peterson, Brian Chan, Johanna Anderson, Mark Helfand
BACKGROUND: Multicomponent, interdisciplinary intensive primary care programs target complex patients with the goal of preventing hospitalizations, but programs vary, and their effectiveness is not clear. In this study, we systematically reviewed the impact of intensive primary care programs on all-cause mortality, hospitalization, and emergency department use. METHODS: We searched PubMed, CINAHL, the Cochrane Central Register of Controlled Trials, and the Cochrane Database of Reviews of Effects from inception to March 2017...
September 18, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28924665/fully-automated-targeted-confocal-and-single-molecule-localization-microscopy
#16
Jan Philipp Eberle, Walter Muranyi, Holger Erfle, Manuel Gunkel
Single-molecule localization microscopy (SMLM) enables imaging of biological structures in the nanometre range. Long measurement times are the consequence of this kind of microscopy due to the need of acquiring thousands of images. We built a setup that automatically detects target structures using confocal microscopy and images them with SMLM. Utilizing the Konstanz Information Miner (KNIME), we were able to connect a confocal microscope with an SMLM unit for targeted screening. In this process, we developed KNIME plugins to communicate with the microscope components and combined them to a workflow...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28924657/diffraction-unlimited-fluorescence-imaging-with-an-easysted-retrofitted-confocal-microscope
#17
André Klauss, Carsten Hille
The easySTED technology provides the means to retrofit a confocal microscope to a diffraction-unlimited stimulated emission depletion (STED) microscope.Although commercial STED systems are available today, for many users of confocal laser scanning microscopes the option of retrofitting their confocal system to a STED system ready for diffraction-unlimited imaging may present an attractive option. The easySTED principle allowing for a joint beam path of excitation and depletion light promises some advantages concerning technical complexity and alignment effort for such an STED upgrade...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28924343/glaucoma-surgery-in-scleromalacia-using-endoscopic-cyclophotocoagulation-where-conventional-filtration-surgery-or-angle-procedures-are-contraindicated
#18
Ian As Rodrigues, Dan Lindfield, Miles R Stanford, Saurabh Goyal
AIM: To describe the surgical management of glaucoma in a patient with severe scleromalacia, and secondary angle closure. INTRODUCTION: The management of glaucoma with coexisting scleromalacia plus secondary angle closure is challenging as most commonly performed incisional glaucoma surgery as well as minimally invasive glaucoma surgery (MIGS), which targets the drainage angle are all contraindicated. CASE REPORT: Medically refractory glaucoma in a 60-year-old male with a 30-year history of granulomatosis with polyangiitis resulting in extensive severe scleromalacia, cicatricial lower lid retraction with significant conjunctival exposure, and widespread synechial angle closure from chronic anterior uveitis was managed with combined phacoemulsification cataract surgery, and endoscopic cyclophotocoagulation (ECP)...
May 2017: Journal of Current Glaucoma Practice
https://www.readbyqxmd.com/read/28924245/understanding-the-factors-affecting-self-management-of-copd-from-the-perspectives-of-healthcare-practitioners-a-qualitative-study
#19
Oladapo J Ogunbayo, Sian Russell, James J Newham, Karen Heslop-Marshall, Paul Netts, Barbara Hanratty, Eileen Kaner
Self-management is recognised as an essential criteria for the provision of high quality care for chronic obstructive pulmonary disease (COPD). The management of COPD is usually delivered by a wide range of healthcare practitioners. This study aimed to understand the factors affecting self-management of COPD from the perspectives of the different multidisciplinary healthcare teams involved in COPD care. Semi-structured interviews were conducted with participants from primary care, specialist respiratory and pulmonary rehabilitation (PR) teams...
September 18, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28924015/no-mediates-nitrite-sensing-and-adaptation-and-triggers-a-remodeling-of-lipids
#20
Lina J Dolch, Josselin Lupette, Guillaume Tourcier, Mariette Bedhomme, Séverine Collin, Leonardo Magneschi, Melissa Conte, Khawla Seddiki, Christelle Richard, Erwan Corre, Laurent Fourage, Frédéric Laeuffer, Robert Richards, Michael Reith, Fabrice Rébeillé, Juliette Jouhet, Patrick McGinn, Eric Marechal
Nitric oxide (NO) is an intermediate of the nitrogen cycle, an industrial pollutant and a marker of climate change. NO also acts as a gaseous transmitter in a variety of biological processes. The impact of environmental NO needs to be addressed. In diatoms, a dominant phylum in phytoplankton, NO was reported to mediate programmed cell death (PCD) in response to diatom derived polyunsaturated aldehydes. Here, using the Phaeodactylum Pt1 strain, 2E,4E-decadienal supplied in the micromolar concentration range led to a non-specific cell toxicity...
September 18, 2017: Plant Physiology
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