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https://www.readbyqxmd.com/read/28639712/the-effect-of-childcare-activities-on-cognitive-status-and-depression-in-older-adults-gender-differences-in-a-4-4-year-longitudinal-study
#1
Caterina Trevisan, Maria Valentina Pamio, Chiara Curreri, Stefania Maggi, Giovannella Baggio, Sabina Zambon, Leonardo Sartori, Egle Perissinotto, Gaetano Crepaldi, Enzo Manzato, Giuseppe Sergi
OBJECTIVES: Although involvement in childcare activities seems to promote better physical and mental health in older adults, its impact on cognitive status and depression has not yet been fully elucidated. We aimed to analyze the association between engagement in childcare activities and cognitive and psychological status over a 4.4-year period in community-dwelling older adults. METHODS: Two thousand one hundred four subjects older than 65 years without severe cognitive impairment at baseline were categorized according to the frequency of their involvement in childcare activities (everyday, occasionally, never)...
June 22, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28633908/dynamics-of-the-cell-division-orientation-of-granule-cell-precursors-during-cerebellar-development
#2
Satoshi Miyashita, Toma Adachi, Mariko Yamashita, Takayuki Sota, Mikio Hoshino
The cerebellar granule cell (GC) system provides a good model for studying neuronal development. In the external granule layer (EGL), granule cell precursors (GCPs) rapidly and continuously divide to produce numerous GCs as well as GCPs. In some brain regions, the orientation of cell division affects daughter cell fate, thus the direction of GCP division is related to whether it produces a GCP or a GC. Therefore, we tried to characterize the orientation of GCP division from embryonic to postnatal stages and to identify an environmental cue that regulates the orientation...
June 17, 2017: Mechanisms of Development
https://www.readbyqxmd.com/read/28629908/use-of-underarm-cosmetic-products-in-relation-to-risk-of-breast-cancer-a-case-control-study
#3
Caroline Linhart, Heribert Talasz, Evi M Morandi, Christopher Exley, Herbert H Lindner, Susanne Taucher, Daniel Egle, Michael Hubalek, Nicole Concin, Hanno Ulmer
BACKGROUND: Previous studies on breast cancer (BC), underarm cosmetic products (UCP) and aluminum salts have shown conflicting results. We conducted a 1:1 age-matched case-control study to investigate the risk for BC in relation to self-reported UCP application. METHODS: Self-reported history of UCP use was compared between 209 female BC patients (cases) and 209 healthy controls. Aluminum concentration in breast tissue was measured in 100 cases and 52 controls. Multivariable conditional logistic regression analysis was performed to estimate odds ratios (ORs) with 95% confidence intervals (CIs), adjusting for established BC risk factors...
June 6, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28626619/african-penguins-follow-the-gaze-direction-of-conspecifics
#4
Christian Nawroth, Egle Trincas, Livio Favaro
Gaze following is widespread among animals. However, the corresponding ultimate functions may vary substantially. Thus, it is important to study previously understudied (or less studied) species to develop a better understanding of the ecological contexts that foster certain cognitive traits. Penguins (Family Spheniscidae), despite their wide interspecies ecological variation, have previously not been considered for cross-species comparisons. Penguin behaviour and communication have been investigated over the last decades, but less is known on how groups are structured, social hierarchies are established, and coordination for hunting and predator avoidance may occur...
2017: PeerJ
https://www.readbyqxmd.com/read/28622389/-foraging-for-a-place-to-lay-eggs-a-genetic-link-between-foraging-behaviour-and-oviposition-preferences
#5
Murray W McConnell, Mark J Fitzpatrick
Gravid female arthropods in search of egg-laying substrates embark on foraging-like forays: they survey the environment assessing multiple patches, tasting each with their tarsi and proboscis, and then, if interested, they deposit an egg (or eggs). In fruit flies, Drosophila melanogaster, allelic variation in the foraging gene (for) underlies the rover/sitter foraging behaviour polymorphism. Rover flies (forR) are more active foragers (both within and between food patches) compared to sitters (fors). In nematodes, Caenorhabditis elegans, a mutation in egl-4, the ortholog of for, leads to aberrations in egg laying...
2017: PloS One
https://www.readbyqxmd.com/read/28620125/mutational-re-modeling-of-di-aspartyl-intramembrane-proteases-uncoupling-physiologically-relevant-activities-from-those-associated-with-alzheimer-s-disease
#6
Anastasia P Grigorenko, Youri K Moliaka, Olga V Plotnikova, Alexander Smirnov, Vera A Nikishina, Andrey Y Goltsov, Fedor Gusev, Tatiana V Andreeva, Omar Nelson, Ilya Bezprozvanny, Evgeny I Rogaev
The intramembrane proteolytic activities of presenilins (PSEN1/PS1 and PSEN2/PS2) underlie production of β-amyloid, the key process in Alzheimer's disease (AD). Dysregulation of presenilin-mediated signaling is linked to cancers. Inhibition of the γ-cleavage activities of PSENs that produce Aβ, but not the ε-like cleavage activity that release physiologically essential transcription activators, is a potential approach for the development of rational therapies for AD. In order to identify whether different activities of PSEN1 can be dissociated, we designed multiple mutations in the evolutionary conserved sites of PSEN1...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28619013/mlst-genotypes-of-campylobacter-jejuni-isolated-from-broiler-products-dairy-cattle-and-human-campylobacteriosis-cases-in-lithuania
#7
Sigita Ramonaite, Egle Tamuleviciene, Thomas Alter, Neringa Kasnauskyte, Mindaugas Malakauskas
BACKGROUND: Campylobacter (C.) jejuni is the leading cause of human campylobacteriosis worldwide. We performed a molecular epidemiological study to investigate the genetic relationship among C. jejuni strains isolated from human diarrhoeal patients, broiler products and dairy cattle in Lithuania. METHODS: The C. jejuni isolates from human clinical cases, dairy cattle and broiler products were genotyped using multilocus sequence typing (MLST). Allele numbers for each housekeeping gene, sequence type (ST), and clonal complex (CC) were assigned by submitting the DNA sequences to the C...
June 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28617266/sustainable-public-health-systems-for-rare-diseases
#8
Rita Maria Ferrelli, Amalia Egle Gentile, Marta De Santis, Domenica Taruscio
INTRODUCTION: In the framework of the Joint Action for Rare Diseases (RD-ACTION), a specific task was defined to identify mechanisms influencing sustainability, equity and resilience of health systems for rare diseases (RDs). METHOD: Literature narrative review on health systems sustainability and resilience for RDs. Years: 2000-2015. Databases: PubMed, Scopus, EBSCOHost, EMBAL, PASCAL, EMBASE, STN International and GoogleScholar. ANALYSIS: interpretive synthesis concept and thematic analysis (Dixon-Wood, et al...
April 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28601919/cerebellar-exposure-to-cell-free-hemoglobin-following-preterm-intraventricular-hemorrhage-causal-in-cerebellar-damage
#9
Alex Adusei Agyemang, Kristbjörg Sveinsdóttir, Suvi Vallius, Snjolaug Sveinsdóttir, Matteo Bruschettini, Olga Romantsik, Ann Hellström, Lois E H Smith, Lennart Ohlsson, Bo Holmqvist, Magnus Gram, David Ley
Decreased cerebellar volume is associated with intraventricular hemorrhage (IVH) in very preterm infants and may be a principal component in neurodevelopmental impairment. Cerebellar deposition of blood products from the subarachnoid space has been suggested as a causal mechanism in cerebellar underdevelopment following IVH. Using the preterm rabbit pup IVH model, we evaluated the effects of IVH induced at E29 (3 days prior to term) on cerebellar development at term-equivalent postnatal day 0 (P0), term-equivalent postnatal day 2 (P2), and term-equivalent postnatal day 5 (P5)...
June 10, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28596069/validation-of-the-effect-questionnaire-for-competence-based-clinical-teaching-in-residency-training-in-lithuania
#10
Eglė Vaižgėlienė, Žilvinas Padaiga, Daiva Rastenytė, Algimantas Tamelis, Kęstutis Petrikonis, Rima Kregždytė, Cornelia Fluit
BACKGROUND AND AIM: In 2013, all residency programs at the Lithuanian University of Health Sciences were renewed into a competency-based medical education curriculum. To assess the quality of clinical teaching in residency training, we chose the EFFECT (evaluation and feedback for effective clinical teaching) questionnaire designed and validated at the Radboud University Medical Centre in the Netherlands. The aim of this study was to validate the EFFECT questionnaire for quality assessment of clinical teaching in residency training...
May 26, 2017: Medicina
https://www.readbyqxmd.com/read/28595894/arterial-function-parameters-in-patients-with-metabolic-syndrome-and-severe-hypertriglyceridemia
#11
Egidija Rinkūnienė, Eglė Butkutė, Roma Puronaitė, Žaneta Petrulionienė, Vilma Dženkevičiūtė, Vytautas Kasiulevičius, Aleksandras Laucevičius
BACKGROUND: Hypertriglyceridemia (hTG) is 1 of the dyslipidemia manifestations in patients with metabolic syndrome (MetS). However, for several decades, the role of hTG in cardiovascular risk was not well established. OBJECTIVE: The aim of this study was to assess the parameters of the vascular structure and function in patients with MetS and different degree of hTG. METHODS: Patients (aged 40-65 years) with MetS were divided into 3 groups by triglyceride (TG) levels according to National Cholesterol Education Program Adult Treatment Panel III Guidelines: severe hTG (TG ≥ 500 mg/dL), moderate hTG (TG 200-499 mg/dL), and a control (TG < 150 mg/dL) groups...
May 4, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28594953/non-invasive-genetics-outperforms-morphological-methods-in-faecal-dietary-analysis-revealing-wild-boar-as-a-considerable-conservation-concern-for-ground-nesting-birds
#12
Ragne Oja, Egle Soe, Harri Valdmann, Urmas Saarma
Capercaillie (Tetrao urogallus) and other grouse species represent conservation concerns across Europe due to their negative abundance trends. In addition to habitat deterioration, predation is considered a major factor contributing to population declines. While the role of generalist predators on grouse predation is relatively well known, the impact of the omnivorous wild boar has remained elusive. We hypothesize that wild boar is an important predator of ground-nesting birds, but has been neglected as a bird predator because traditional morphological methods underestimate the proportion of birds in wild boar diet...
2017: PloS One
https://www.readbyqxmd.com/read/28591592/recombinant-thermo-alkali-stable-endoglucanase-of-myceliopthora-thermophila-bja-rmt-egl-biochemical-characteristics-and-applicability-in-enzymatic-saccharification-of-agro-residues
#13
Priya Phadtare, Swati Joshi, T Satyanarayana
Codon adaptation index (CAI) of a 1263bp long endoglucanase encoding gene from the thermophilic mould Myceliopthora thermophile BJA has been improved from 0.44 to 0.76 by in vitro gene synthesis. The codon optimized endoglucanase gene (Mt-egl) has been constitutively expressed in Pichia pastoris under the regulation of GAP promoter. Recombinant endoglucanase (rMt-egl), purified by size exclusion chromatography, has been confirmed to be a monomeric protein of ∼47kDa. rMt-egl is optimally active at pH 10 and 50°C, displaying stability in broad pH and temperature ranges, with a t1/2 of 60 and 15min at 90 and 100°C, respectively...
June 4, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28582735/carbon-dioxide-methane-and-nitrous-oxide-fluxes-from-a-fire-chronosequence-in-subarctic-boreal-forests-of-canada
#14
Egle Köster, Kajar Köster, Frank Berninger, Heidi Aaltonen, Xuan Zhou, Jukka Pumpanen
Forest fires are one of the most important natural disturbances in boreal forests, and their occurrence and severity are expected to increase as a result of climate warming. A combination of factors induced by fire leads to a thawing of the near-surface permafrost layer in subarctic boreal forest. Earlier studies reported that an increase in the active layer thickness results in higher carbon dioxide (CO2) and methane (CH4) emissions. We studied changes in CO2, CH4 and nitrous oxide (N2O) fluxes in this study, and the significance of several environmental factors that influence the greenhouse gas (GHG) fluxes at three forest sites that last had fires in 2012, 1990 and 1969, and we compared these to a control area that had no fire for at least 100years...
June 2, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28559442/cxcl12%C3%AE-sdf-1-from-perisynaptic-schwann-cells-promotes-regeneration-of-injured-motor-axon%C3%A2-terminals
#15
Samuele Negro, Francesca Lessi, Elisa Duregotti, Paolo Aretini, Marco La Ferla, Sara Franceschi, Michele Menicagli, Elisanna Bergamin, Egle Radice, Marcus Thelen, Aram Megighian, Marco Pirazzini, Chiara M Mazzanti, Michela Rigoni, Cesare Montecucco
The neuromuscular junction has retained through evolution the capacity to regenerate after damage, but little is known on the inter-cellular signals involved in its functional recovery from trauma, autoimmune attacks, or neurotoxins. We report here that CXCL12α, also abbreviated as stromal-derived factor-1 (SDF-1), is produced specifically by perisynaptic Schwann cells following motor axon terminal degeneration induced by α-latrotoxin. CXCL12α acts via binding to the neuronal CXCR4 receptor. A CXCL12α-neutralizing antibody or a specific CXCR4 inhibitor strongly delays recovery from motor neuron degeneration in vivo Recombinant CXCL12α in vivo accelerates neurotransmission rescue upon damage and very effectively stimulates the axon growth of spinal cord motor neurons in vitro These findings indicate that the CXCL12α-CXCR4 axis plays an important role in the regeneration of the neuromuscular junction after motor axon injury...
May 30, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28549945/validity-of-the-rheumatoid-arthritis-impact-of-disease-raid-score-and-definition-of-cut-off-points-for-disease-activity-states-in-a-population-based-european-cohort-of-patients-with-rheumatoid-arthritis
#16
Fausto Salaffi, Marco Di Carlo, Jelena Vojinovic, Angela Tincani, Alberto Sulli, Stefano Soldano, Laura Andreoli, Francesca Dall'Ara, Ruxandra Ionescu, Katarina Simić Pašalić, Ineta Balčune, Iván Ferraz-Amaro, Malgorzata Tlustochowicz, Irena Butrimienė, Egle Punceviciene, Natalia Toroptsova, Simeon Grazio, Jadranka Morović-Vergles, Pavol Masaryk, Kati Otsa, Miguel Bernardes, Vladimira Boyadzhieva, Maurizio Cutolo
OBJECTIVES: To assess the validity of the Rheumatoid Arthritis Impact of Disease (RAID) for measuring disease activity of rheumatoid arthritis (RA), and to determine cut-off values for defining the disease activity states. METHODS: 622 RA patients from an European database have been included. Cross-validation was based on assessment of convergent and discriminant validity. Optimal cut-offs were determined against external criteria by calculating the respective 25(th) and 75(th) percentiles mean values of RAID...
May 23, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28541019/amyloidosis-and-device-therapy-an-open-debate
#17
Eluisa LA Franca, Egle Corrado, Giuseppe Inga, Gianfranco Ciaramitaro, Salvatore Novo, Giuseppe Coppola
No abstract text is available yet for this article.
May 24, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28539870/a-select-subset-of-electron-transport-chain-genes-associated-with-optic-atrophy-link-mitochondria-to-axon-regeneration-in-caenorhabditis-elegans
#18
Wendy M Knowlton, Thomas Hubert, Zilu Wu, Andrew D Chisholm, Yishi Jin
The role of mitochondria within injured neurons is an area of active interest since these organelles are vital for the production of cellular energy in the form of ATP. Using mechanosensory neurons of the nematode Caenorhabditis elegans to test regeneration after neuronal injury in vivo, we surveyed genes related to mitochondrial function for effects on axon regrowth after laser axotomy. Genes involved in mitochondrial transport, calcium uptake, mitophagy, or fission and fusion were largely dispensable for axon regrowth, with the exception of eat-3/Opa1...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28535394/red-blood-cell-alloimmunization-in-184-patients-with-myeloid-neoplasms-treated-with-azacitidine-a-retrospective-single-center-experience
#19
M Leisch, L Weiss, N Lindlbauer, C Jungbauer, A Egle, E Rohde, R Greil, C Grabmer, L Pleyer
Alloimmunization to Red Blood Cell (RBC) antigens frequently occurs in patients with myeloid neoplasms (AML, MDS and CMML) and potentially poses the patient at risk for delayed hemolytic transfusion reactions and limited supply of compatible RBC-units. However, there is comparatively little data on transfusion associated characteristics in this patient cohort. We therefore retrospectively analyzed transfusion requirements and clinical outcomes of 184 patients with myloid neoplasms treated with azacitidine at the Paracelsus Medical University Salzburg, which were included in the Austrian Registry of Hypomethylating Agents...
May 9, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28512198/novel-role-of-rac-mid1-signaling-in-medial-cerebellar-development
#20
Takashi Nakamura, Takehiko Ueyama, Yuzuru Ninoyu, Hirofumi Sakaguchi, Narantsog Choijookhuu, Yoshitaka Hishikawa, Hiroshi Kiyonari, Masaaki Kohta, Mizuho Sakahara, Ivan de Curtis, Eiji Kohmura, Yasuo Hisa, Atsu Aiba, Naoaki Saito
Rac signaling impacts a relatively large number of downstream targets; however, few studies have established an association between Rac pathways and pathological conditions. In the present study, we generated mice with double knockout of Rac1 and Rac3 (Atoh1-Cre;Rac1(flox/flox);Rac3(-/-) ) in cerebellar granule neurons (CGNs). We observed impaired tangential migration at E16.5, as well as numerous apoptotic CGNs at the deepest layer of the external granule layer (EGL) in the medial cerebellum of Atoh1-Cre;Rac1(flox/flox);Rac3(-/-) mice at P8...
May 15, 2017: Development
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