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https://www.readbyqxmd.com/read/27933714/development-of-chemical-tools-to-monitor-and-control-isoaspartyl-peptide-methyltransferase-activity
#1
Yusuke Kimura, Toru Komatsu, Kouichi Yanagi, Kenjiro Hanaoka, Tasuku Ueno, Takuya Terai, Hirotatsu Kojima, Takayoshi Okabe, Tetsuo Nagano, Yasuteru Urano
We have established a coupled assay system targeting protein l-isoaspartyl methyltransferase (PIMT), a key enzyme in the metabolism of isoaspartyl peptides and proteins. The system utilizes a fluorogenic peptide probe containing an isoaspartyl residue at the P1' position of the caspase-3 recognition sequence. Following PIMT-catalyzed methyl transfer reaction, the methylated probe is specifically cleaved by caspase-3 to give fluorescence activation. High-throughput screening of our chemical library with this assay system identified PIMT inhibitors that may be useful as leads in the design of chemical probes for controlling PIMT activity...
December 9, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27933672/single-neuron-activity-and-theta-modulation-in-the-posterior-parietal-cortex-in-a-visuospatial-attention-task
#2
Fang-Chi Yang, T K Jacobson, R D Burwell
The posterior parietal cortex (PPC) is implicated in directing and maintaining visual attention to locations in space. We hypothesized that the PPC also engages other cognitive processes in the transformation of behaviorally relevant visual inputs into appropriate actions, for example, monitoring of multiple locations, selection of responses to locations in space, and monitoring the outcome of response selections. We recorded single cells and local field potentials in the rat PPC during performance on a novel visuospatial attention (VSA) task that requires visually monitoring locations in space in order to make appropriate stimulus-guided locomotor responses...
December 9, 2016: Hippocampus
https://www.readbyqxmd.com/read/27933572/relation-between-the-stability-of-dental-implants-and-two-biological-markers-during-the-healing-period-a-prospective-clinical-study
#3
Choknapa Tirachaimongkol, Peraphan Pothacharoen, Peter A Reichart, Pathawee Khongkhunthian
OBJECTIVES: The purposes of this study were to examine the correlation between the stability of dental implants and bone formation markers during the healing period and to monitor the stability of dental implants using the resonance frequency analysis (RFA) method. The null hypothesis of the study is no correlation between the stability of dental implant and bone formation markers. METHODS: The study is a prospective clinical study during the 3-month healing period of implant...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27933553/spontaneous-honeybee-behaviour-is-altered-by-persistent-organic-pollutants
#4
Jade Drummond, Sally M Williamson, Ann E Fitchett, Geraldine A Wright, Sarah J Judge
The effect of environmental pollutants on honeybee behaviour has focused mainly on currently used pesticides. However, honeybees are also exposed to persistent organic pollutants (POPs). The aim of this laboratory based study was to determine if exposure to sublethal field-relevant concentrations of POPs altered the spontaneous behaviour of foraging-age worker honeybees. Honeybees (Apis mellifera) were orally exposed to either a sublethal concentration of the polychlorinated biphenyl (PCB) mixture Aroclor 1254 (100 ng/ml), the organochlorine insecticide lindane (2...
December 8, 2016: Ecotoxicology
https://www.readbyqxmd.com/read/27933473/high-percentage-of-ibd-patients-with-indefinite-fecal-calprotectin-levels-additional-value-of-a-combination-score
#5
Alexander G L Bodelier, Daisy Jonkers, Tim van den Heuvel, Evelien de Boer, Wim Hameeteman, Ad A M Masclee, Marie J Pierik
BACKGROUND AND AIM: Monitoring mucosal inflammation in inflammatory bowel disease (IBD) is of major importance to prevent complications and improve long-term disease outcome. The correlation of clinical activity indices with endoscopic disease activity is, however, moderate. Fecal calprotectin (FC) is a better predictor of mucosal inflammation, but values between 100 and 250 µg/g are difficult to interpret in clinical practice. We aimed to evaluate the occurrence of indefinite FC levels in a real-life IBD cohort and study the additional value of a combination of biochemical markers and clinical activity indices...
December 8, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27933450/effects-of-exercise-intervention-in-breast-cancer-patients-is-mobile-health-mhealth-with-pedometer-more-effective-than-conventional-program-using-brochure
#6
Kyeong Eun Uhm, Ji Sung Yoo, Seung Hyun Chung, Jong Doo Lee, Ilkyun Lee, Joong Il Kim, Se Kyung Lee, Seok Jin Nam, Yong Hyun Park, Ji Youl Lee, Ji Hye Hwang
PURPOSE: To investigate and compare the effects of mobile health (mHealth) and pedometer with conventional exercise program using a brochure on physical function and quality of life (QOL). METHODS: The study was a prospective, quasi-randomized multicenter trial where 356 patients whose cancer treatment had been terminated were enrolled. All patients were instructed to perform a 12-week regimen of aerobic and resistance exercise. The mHealth group received a pedometer and a newly developed smartphone application to provide information and monitor the prescribed exercises...
December 8, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27933416/positron-emission-tomography-in-amyotrophic-lateral-sclerosis-towards-targeting-of-molecular-pathological-hallmarks
#7
Stefanie M A Willekens, Donatienne Van Weehaeghe, Philip Van Damme, Koen Van Laere
During the past decades, extensive efforts have been made to expand the knowledge of amyotrophic lateral sclerosis (ALS). However, clinical translation of this research, in terms of earlier diagnosis and improved therapy, remains challenging. Since more than 30% of motor neurons are lost when symptoms become clinically apparent, techniques allowing non-invasive, in vivo detection of motor neuron degeneration are needed in the early, pre-symptomatic disease stage. Furthermore, it has become apparent that non-motor signs play an important role in the disease and there is an overlap with cognitive disorders, such as frontotemporal dementia (FTD)...
December 8, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27933390/-de-escalation-of-therapy-in-anca-associated-vasculitides
#8
REVIEW
S Schinke, G Riemekasten, P Lamprecht
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV) require a differentiated therapeutic approach depending on the degree of organ dysfunction and disease activity. In organ dysfunction and life-threatening AAV cyclophosphamide and rituximab are recommended for the induction of remission. For remission induction with a lack of organ dysfunction and non-life-threatening AAV, methotrexate or mycophenolate mofetil are recommended. For remission maintenance therapy azathioprine or methotrexate are used...
December 8, 2016: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/27933331/characterization-of-arsenic-biotransformation-by-a-typical-bryophyte-physcomitrella-patens
#9
Xixiang Yin, Lihong Wang, Yifei Liu, Tenglong Jiang, Jianwei Gao
Arsenic (As) is a ubiquitous environmental toxin that has created catastrophic human health and environmental problems around world. Physcomitrella patens is a potential model plant for the study of environmental monitoring, which exists in all kinds of ecosystems. In this study, arsenic metabolism was investigated by this moss. When supplied with different levels of arsenate (50, 100, 200 µmol/L) for a 4-week period, the total arsenic concentrations were up to 231.4-565.4 mg/kg DW in this moss. Arsenite concentration increased with increasing external arsenate concentrations, the proportion was up to 25...
December 8, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27933206/improving-inflammatory-arthritis-management-through-tighter-monitoring-of-patients-and-the-use-of-innovative-electronic-tools
#10
REVIEW
Piet van Riel, Rieke Alten, Bernard Combe, Diana Abdulganieva, Paola Bousquet, Molly Courtenay, Cinzia Curiale, Antonio Gómez-Centeno, Glenn Haugeberg, Burkhard Leeb, Kari Puolakka, Angelo Ravelli, Bernhard Rintelen, Piercarlo Sarzi-Puttini
Treating to target by monitoring disease activity and adjusting therapy to attain remission or low disease activity has been shown to lead to improved outcomes in chronic rheumatic diseases such as rheumatoid arthritis and spondyloarthritis. Patient-reported outcomes, used in conjunction with clinical measures, add an important perspective of disease activity as perceived by the patient. Several validated PROs are available for inflammatory arthritis, and advances in electronic patient monitoring tools are helping patients with chronic diseases to self-monitor and assess their symptoms and health...
2016: RMD Open
https://www.readbyqxmd.com/read/27933065/current-challenges-and-limitations-in-antibody-based-detection-of-citrullinated-histones
#11
Indira Neeli, Marko Radic
Studies on NETosis demand reliable and convenient markers to monitor the progress of this form of cell death. Because a determining step in the release of nuclear chromatin NETs requires the conversion of arginine residues to citrulline residues in histones by peptidylarginine deiminase, citrullinated histones can provide such a marker. Here, we evaluate antibody reagents for the detection of citrulline residues in histones and observe alarming differences between commercial antisera and mouse and rabbit monoclonal antibodies in their ability to detect their nominal target residues...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27932921/digging-for-historical-data-on-the-occurrence-of-benthic-macrofaunal-species-in-the-southeastern-mediterranean
#12
Irini Tsikopoulou, Aglaia Legaki, Panagiotis D Dimitriou, Evangelia Avramidou, Nicolas Bailly, Stamatina Nikolopoulou
BACKGROUND: The benthic macrofaunal biodiversity of the southeastern Mediterranean is considerably understudied compared to other Mediterranean regions. Monitoring biodiversity in this area is crucial as this region is particularly susceptible to biological invasions and temperature alteration. Historical biodiversity data could provide a useful baseline for monitoring potential changes and provide informarion to support a better understanding of the possible effects of anthropogenic activities on marine benthic communities...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27932909/cigesmed-for-divers-establishing-a-citizen-science-initiative-for-the-mapping-and-monitoring-of-coralligenous-assemblages-in-the-mediterranean-sea
#13
Vasilis Gerovasileiou, Thanos Dailianis, Emmanouela Panteri, Nikitas Michalakis, Giulia Gatti, Maria Sini, Charalampos Dimitriadis, Yiannis Issaris, Maria Salomidi, Irene Filiopoulou, Alper Doğan, Laure Thierry de Ville d'Avray, Romain David, Melih Ertan Ҫinar, Drosos Koutsoubas, Jean-Pierre Féral, Christos Arvanitidis
BACKGROUND: Over the last decade, inventorying and monitoring of marine biodiversity has significantly benefited from the active engagement of volunteers. Although several Citizen Science projects concern tropical reef ecosystems worldwide, none of the existing initiatives has yet specifically focused on their Mediterranean equivalents. Mediterranean coralline reefs, known as "coralligenous", are bioherms primarily built by calcifying rhodophytes on hard substrates under dim-light conditions; they are considered hotspots of biodiversity and are extremely popular among divers due to their complex structure, conspicuous biological wealth and high aesthetic value...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27932873/coherence-between-self-reported-and-objectively-measured-physical-activity-in-patients-with-chronic-obstructive-lung-disease-a-systematic-review
#14
REVIEW
Mimi Thyregod, Uffe Bodtger
The beneficial effects of physical activity (PA) in patients with COPD, as well as the methods of their assessment, are well known and described. As objective measures of PA, such as the use of motion sensors, video recordings, exercise capacity testing, and indirect calorimetry, are not easily obtained in the daily clinical life, the reliability of the more accessible self-reported measurements of PA is important. In this review, we systematically identified original studies involving COPD patients and at least one parameter of self-reported and objective exercise testing, and analyzed every article for coherence between the objectively and self-reported measured PA...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27932549/proteolytic-degradation-of-heat-shock-protein-a2-occurs-in-response-to-oxidative-stress-in-male-germ-cells-of-the-mouse
#15
Elizabeth G Bromfield, R John Aitken, Eileen A McLaughlin, Brett Nixon
STUDY QUESTION: Does oxidative stress compromise the protein expression of heat shock protein A2 (HSPA2) in the developing germ cells of the mouse testis? SUMMARY ANSWER: Oxidative stress leads to the modification of HSPA2 by the lipid aldehyde 4-hydroxynonenal (4HNE) and initiates its degradation via the ubiquitin-proteasome system. WHAT IS KNOWN ALREADY: Previous work has revealed a deficiency in HSPA2 protein expression within the spermatozoa of infertile men that have failed fertilization in a clinical setting...
December 8, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27932408/early-responses-of-human-periodontal-ligament-fibroblasts-to-cyclic-and-static-mechanical-stretching
#16
Adamantia Papadopoulou, Anna Iliadi, Theodore Eliades, Dimitris Kletsas
OBJECTIVE: To compare the mechanotransduction caused by cyclic and static mechanical strains in human periodontal ligament fibroblasts (hPDLFs) cultured under identical conditions. MATERIALS AND METHODS: hPDLFs, originating from the same donors, were exposed either to cyclic or to static tensile strain using specially designed devices and under identical culture conditions. Activation of all members of mitogen-activated protein kinases (MAPKs) was monitored by western immunoblot analysis...
December 8, 2016: European Journal of Orthodontics
https://www.readbyqxmd.com/read/27932212/atmospheric-deposition-of-particles-at-a-sensitive-alpine-lake-size-segregated-daily-and-annual-fluxes-from-passive-sampling-techniques
#17
Anna Y-C Tai, L-W Antony Chen, Xiaoliang Wang, Judith C Chow, John G Watson
Lake Tahoe, a North American alpine lake long appreciated for its clear water and geographic setting, has experienced a trend of declining water clarity due to increasing nutrient and particle inputs. Contributions from atmospheric deposition of particulate matter (PM) could be important, yet they are inadequately quantified. This study established a yearlong deposition monitoring network in the northern Lake Tahoe Basin. Dry deposition was quantified on surrogate surfaces while wet deposition was based on particles suspended in precipitation at 24-hour resolution...
December 5, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27931958/imaging-in-the-diagnosis-and-management-of-peripheral-psoriatic-arthritis-the-clinical-utility-of-magnetic-resonance-imaging-and-ultrasonography
#18
REVIEW
Mikkel Østergaard, Lihi Eder, Sara Nysom Christiansen, Gurjit S Kaeley
Psoriatic arthritis (PsA) is an inflammatory joint disease characterised by the presence of arthritis and often enthesitis and/or spondylitis in patients with psoriasis. However, it presents a wide range of disease manifestations in various patterns. Imaging is an important part of management of PsA, and is used for multiple reasons including establishing/confirming a diagnosis of inflammatory joint disease, determining the extent of disease, monitoring activity and damage, assessing therapeutic efficacy, and identifying complications of disease or treatment, in the setting of clinical practice or clinical studies...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27931935/behaviour-of-european-badgers-and-non-target-species-towards-candidate-baits-for-oral-delivery-of-a-tuberculosis-vaccine
#19
Andrew Robertson, Richard J Delahay, Robbie A McDonald, Paul Aylett, Ray Henderson, Sonya Gowtage, Mark A Chambers, Stephen P Carter
In the UK and the Republic of Ireland, the European badger (Meles meles) is a maintenance host for Mycobacterium bovis, and may transmit the infection to cattle causing bovine tuberculosis (TB). Vaccination of badgers using an injectable Bacillus Calmette-Guerin (BCG) vaccine is undertaken in some areas of the UK with the intention of interrupting this transmission, and vaccination research is underway in Ireland. An oral badger TB vaccine is also under development. We investigated the behaviour of badgers and non-target wildlife species towards three candidate baits being considered for delivering BCG to badgers orally...
December 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27931900/dimensions-of-schizophrenia-and-their-time-course-of-response-to-a-second-generation-antipsychotic-olanzapine-a-clinical-study
#20
Badari Birur, Jagadisha Thirthalli, N Janakiramaiah, Richard C Shelton, Bangalore N Gangadhar
BACKGROUND: The pattern of symptom response to second generation antipsychotics (SGAs) has not been studied extensively. Understanding the time course of symptom response would help to rationally monitor patient progress. OBJECTIVE: To determine the short-term differential time course of response of symptom dimensions of first episode schizophrenia viz., negative, positive symptoms and 5 factors of anergia, thought disturbance, activation, paranoid-belligerence and depression to treatment with SGA olanzapine...
December 2016: Asian Journal of Psychiatry
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