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https://www.readbyqxmd.com/read/29232671/predicting-trajectories-of-functional-decline-in-60-to-70-year-old-people
#1
Nini H Jonkman, Vieri Del Panta, Trynke Hoekstra, Marco Colpo, Natasja M van Schoor, Stefania Bandinelli, Luca Cattelani, Jorunn L Helbostad, Beatrix Vereijken, Mirjam Pijnappels, Andrea B Maier
BACKGROUND: Early identification of people at risk of functional decline is essential for delivering targeted preventive interventions. OBJECTIVE: The aim of this study is to identify and predict trajectories of functional decline over 9 years in males and females aged 60-70 years. METHODS: We included 403 community-dwelling participants from the InCHIANTI study and 395 from the LASA study aged 60-70 years at baseline, of whom the majority reported no functional decline at baseline (median 0, interquartile range 0-1)...
December 13, 2017: Gerontology
https://www.readbyqxmd.com/read/29232577/attachment-and-motivational-systems-relevance-of-sensitivity-to-punishment-for-eating-disorder-psychopathology
#2
Alessio Maria Monteleone, Valentina Cardi, Umberto Volpe, Giovanna Fico, Valeria Ruzzi, Francesca Pellegrino, Giovanni Castellini, Palmiero Monteleone, Mario Maj
An altered balance of reward and inhibition systems may explain Eating Disorder (ED) behaviors and could be related to difficulties in socio-emotional processing. According to attachment theory, early interaction with caregivers affects the ability to regulate emotion in adult interpersonal situation. The aim of our study was to investigate if insecure attachment may be related to ED symptomatology through changes in reward and inhibition systems. Seventy-eight people affected by EDs and 45 healthy controls (HC) filled in the Attachment Style Questionnaire (ASQ), the Behavioral Inhibition System-Behavioral Activation System Scale (BIS-BAS) and the Eating Disorders Inventory-2 (EDI-2) questionnaire...
December 5, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29231189/the-liver-frailty-index-improves-mortality-prediction-of-the-subjective-clinician-assessment-in-patients-with-cirrhosis
#3
Jennifer C Lai, Kenneth E Covinsky, Charles E McCulloch, Sandy Feng
OBJECTIVES: Frailty, a critical determinant of health outcomes, is most commonly assessed in patients with cirrhosis by general clinician assessment that is limited by its subjectivity. We aimed to compare the objective Liver Frailty Index (LFI), consisting of three performance-based tests (grip, chair stands, balance), with a subjective hepatologist assessment. METHODS: Outpatients with cirrhosis awaiting liver transplantation (LT) underwent: (1) objective measurement using the LFI and (2) subjective clinician assessment...
December 12, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/29230909/histatins-wound-healing-and-cell-migration
#4
Pedro Torres, Martín Castro, Montserrat Reyes, Vicente A Torres
Wounds in the oral mucosa heal faster and more efficiently than those in the skin, although the mechanisms underlying these differences are not completely clear. In the last 10 years, a group of salivary peptides, the histatins, have gained attention on behalf of their ability to improve several phases of the wound healing process. In addition to their roles as antimicrobial agents and in enamel maintenance, histatins elicit other biological effects, namely by promoting the migration of different cell types contained in the oral mucosa and in non-oral tissues...
December 12, 2017: Oral Diseases
https://www.readbyqxmd.com/read/29230170/the-dancing-brain-structural-and-functional-signatures-of-expert-dance-training
#5
Agnieszka Z Burzynska, Karolina Finc, Brittany K Taylor, Anya M Knecht, Arthur F Kramer
Dance - as a ritual, therapy, and leisure activity - has been known for thousands of years. Today, dance is increasingly used as therapy for cognitive and neurological disorders such as dementia and Parkinson's disease. Surprisingly, the effects of dance training on the healthy young brain are not well understood despite the necessity of such information for planning successful clinical interventions. Therefore, this study examined actively performing, expert-level trained college students as a model of long-term exposure to dance training...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29229581/balancing-cellular-redox-metabolism-in-microbial-electrosynthesis-and-electro-fermentation-a-chance-for-metabolic-engineering
#6
REVIEW
Frauke Kracke, Bin Lai, Shiqin Yu, Jens O Krömer
More and more microbes are discovered that are capable of extracellular electron transfer, a process in which they use external electrodes as electron donors or acceptors for metabolic reactions. This feature can be used to overcome cellular redox limitations and thus optimising microbial production. The technologies, termed microbial electrosynthesis and electro-fermentation, have the potential to open novel bio-electro production platforms from sustainable energy and carbon sources. However, the performance of reported systems is currently limited by low electron transport rates between microbes and electrodes and our limited ability for targeted engineering of these systems due to remaining knowledge gaps about the underlying fundamental processes...
December 8, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/29229554/the-effect-of-complex-acoustic-environment-during-early-development-on-the-responses-of-auditory-cortex-neurons-in-rats
#7
Kateryna Pysanenko, Zbyněk Bureš, Jiří Lindovský, Josef Syka
Acoustical environment plays an important role during the maturation of the auditory system. It has been shown that the sensory inputs to the developing centres influence the development of the structure of projections, neuronal responsiveness, excitatory-inhibitory balance, or tonotopical arrangement, throughout the auditory pathway. Our previous study (Bures et al., 2014) showed that rats reared in a complex acoustic environment (spectrally and temporally modulated sound reinforced by an active behavioural paradigm with a positive feedback) exhibit permanently improved response characteristics of the inferior colliculus (IC) neurons...
December 8, 2017: Neuroscience
https://www.readbyqxmd.com/read/29226700/retrospective-correction-of-physiological-noise-impact-on-sensitivity-specificity-and-reproducibility-of-resting-state-functional-connectivity-in-a-reading-network-model
#8
Venkatagiri Krishnamurthy, Lisa C Krishnamurthy, Dina M Schwam, Ashley Ealey, Jaemin Shin, Daphne Greenberg, Robin D Morris
It is well accepted that physiological noise (PN) obscures the detection of neural fluctuations in resting-state functional connectivity (rsFC) MRI. However, a clear consensus for an optimal PN correction (PNC) methodology and how it can impact the rsFC signal characteristics is still lacking. In this study, we probe the impact of three PNC methods: RETROICOR: (Glover, et al. 2000), ANATICOR: (Jo, et al. 2010), and RVTMBPM: (Bianciardi, et al. 2009). Using a reading network model, we systematically explore the effects of PNC optimization on sensitivity, specificity, and reproducibility of rsFC signals...
December 10, 2017: Brain Connectivity
https://www.readbyqxmd.com/read/29225852/physical-rehabilitation-modulates-micrornas-involved-in-multiple-sclerosis-a-case-report
#9
Annamaria Vallelunga, Carmine Berlingieri, Marco Ragusa, Michele Purrello, Maria Rosaria Stabile, Maria Consiglia Calabrese, Julio Cesar Morales-Medina, Beniamino Palmieri, Tommaso Iannitti
This study shows that neuromuscular taping improves gait, balance, pain and ability to walk and conduct daily activities in a multiple sclerosis patient. It is the first study to identify a panel of miRNAs modulated throughout rehabilitation using neuromuscular taping in a multiple sclerosis patient.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29224996/cost-effectiveness-of-the-non-laboratory-based-framingham-algorithm-in-primary-prevention-of-cardiovascular-disease-a-simulated-analysis-of-a-cohort-of-african-american-adults
#10
Jacob K Kariuki, Philimon Gona, Suzanne G Leveille, Eileen M Stuart-Shor, Laura L Hayman, Jerry Cromwell
The non-lab Framingham algorithm, which substitute body mass index for lipids in the laboratory based (lab-based) Framingham algorithm, has been validated among African Americans (AAs). However, its cost-effectiveness and economic tradeoffs have not been evaluated. This study examines the incremental cost-effectiveness ratio (ICER) of two cardiovascular disease (CVD) prevention programs guided by the non-lab versus lab-based Framingham algorithm. We simulated the World Health Organization CVD prevention guidelines on a cohort of 2690 AA participants in the Atherosclerosis Risk in Communities (ARIC) cohort...
December 7, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/29223816/cortex-and-hippocampus-dna-epigenetic-response-to-a-long-term-arsenic-exposure-via-drinking-water
#11
Xiaoyan Du, Meiping Tian, Xiaoxue Wang, Jie Zhang, Qingyu Huang, Liangpo Liu, Heqing Shen
The neurotoxicity of arsenic is a serious health problem, especially for children. DNA epigenetic change may be an important pathogenic mechanism, but the molecular pathway remains obscure. In this study, the weaned male Sprague-Dawly (SD) rats were treated with arsenic trioxide via drinking water for 6 months, simulating real developmental exposure situation of children. Arsenic exposure impaired the cognitive abilities, and altered the expression of neuronal activity-regulated genes. Total arsenic concentrations of cortex and hippocampus tissues were significantly increased in a dose-dependent manner...
December 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29221471/in-home-versus-hospital-preoperative-balance-and-proprioceptive-training-in-patients-undergoing-tkr-rationale-design-and-method-of-a-randomized-controlled-trial
#12
José-María Blasco, Celedonia Igual-Camacho, Sergio Roig-Casasús
BACKGROUND: Severe knee osteoarthritis, as well as the surgical procedure of total knee replacement that aims to reduce its symptoms, cause great deterioration on the proprioceptive system. Taking this fact into account, and considering that balance abilities positively influence the capacity to perform basic functional tasks, this trial aims to find the short and mid-term effects of a preoperative balance and proprioceptive training when conducted by patients undergoing total knee replacement...
December 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29221460/goldenpics-a-golden-gate-derived-modular-cloning-system-for-applied-synthetic-biology-in-the-yeast-pichia-pastoris
#13
Roland Prielhofer, Juan J Barrero, Stefanie Steuer, Thomas Gassler, Richard Zahrl, Kristin Baumann, Michael Sauer, Diethard Mattanovich, Brigitte Gasser, Hans Marx
BACKGROUND: State-of-the-art strain engineering techniques for the host Pichia pastoris (syn. Komagataella spp.) include overexpression of homologous and heterologous genes, and deletion of host genes. For metabolic and cell engineering purposes the simultaneous overexpression of more than one gene would often be required. Very recently, Golden Gate based libraries were adapted to optimize single expression cassettes for recombinant proteins in P. pastoris. However, an efficient toolbox allowing the overexpression of multiple genes at once was not available for P...
December 8, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29221181/analysis-of-ctcl-cell-lines-reveals-important-differences-between-mycosis-fungoides-s%C3%A3-zary-syndrome-vs-htlv-1-leukemic-cell-lines
#14
Elena Netchiporouk, Jennifer Gantchev, Matthew Tsang, Philippe Thibault, Andrew K Watters, John-Douglas Matthew Hughes, Feras M Ghazawi, Anders Woetmann, Niels Ødum, Denis Sasseville, Ivan V Litvinov
HTLV-1 is estimated to affect ~20 million people worldwide and in ~5% of carriers it produces Adult T-Cell Leukemia/Lymphoma (ATLL), which can often masquerade and present with classic erythematous pruritic patches and plaques that are typically seen in Mycosis Fungoides (MF) and Sézary Syndrome (SS), the most recognized variants of Cutaneous T-Cell Lymphomas (CTCL). For many years the role of HTLV-1 in the pathogenesis of MF/SS has been hotly debated. In this study we analyzed CTCL vs. HTLV-1+ leukemic cells...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220054/experimental-and-theoretical-studies-on-the-nlo-properties-of-two-quaternary-non-centrosymmetric-chalcogenides-baag2ges4-and-baag2sns4
#15
Hong Chen, Pei-Fei Liu, Bing-Xuan Li, Hua Lin, Li-Ming Wu, Xin-Tao Wu
New middle and far-infrared (MFIR) nonlinear optical (NLO) chalcogenides have been receiving increasing attention for their great importance in military and civil fields. In addition, the current challenge in the efforts for identifying a promising MFIR NLO material lies in achieving simultaneously large second-harmonic generation (SHG) intensity and high laser-induced damage threshold (LIDT) in the same material. In this study, two quaternary non-centrosymmetric (NCS) sulfides, BaAg2GeS4 (1) and BaAg2SnS4 (2), were synthesized from a high-temperature solid-state reaction using BaCl2 flux in evacuated closed silica tubes...
December 8, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29216598/sympathetic-nervous-system-activity-measured-by-skin-conductance-quantifies-the-challenge-of-walking-adaptability-tasks-after-stroke
#16
David J Clark, Sudeshna A Chatterjee, Theresa E McGuirk, Eric C Porges, Emily J Fox, Chitralakshmi K Balasubramanian
BACKGROUND: Walking adaptability tasks are challenging for people with motor impairments. The construct of perceived challenge is typically measured by self-report assessments, which are susceptible to subjective measurement error. The development of an objective physiologically-based measure of challenge may help to improve the ability to assess this important aspect of mobility function. The objective of this study to investigate the use of sympathetic nervous system (SNS) activity measured by skin conductance to gauge the physiological stress response to challenging walking adaptability tasks in people post-stroke...
December 1, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29216267/altered-postural-sway-following-fatiguing-foot-muscle-exercises
#17
Keiji Koyama, Junichiro Yamauchi
This study investigated the acute effects of fatiguing foot muscle exercises on the maximum muscle strength of the foot and postural control ability. Eighteen healthy young individuals performed fatiguing foot muscle strength exercises, and their toe flexor and ankle plantar flexor strength and postural control ability were measured before and after the exercises. Postural control ability was evaluated using the path of the center of pressure (COP) during three balance tasks: double-leg standing with eyes open; double-leg standing with eyes closed; and single-leg standing with eyes open...
2017: PloS One
https://www.readbyqxmd.com/read/29215729/crosstalk-between-adipose-stem-cells-and-tendon-cells-reveals-a-temporal-regulation-of-tenogenesis-by-matrix-deposition-and-remodeling
#18
Raquel Costa-Almeida, Isabel Calejo, Rui L Reis, Manuela E Gomes
Tendon injuries constitute an unmet clinical challenge owing to the limited intrinsic regenerative ability of this tissue. Cell-based therapies aim at improving tendon healing through the delicate orchestration of tissue rebuilding and regain of function. Hence, human adipose-derived stem cells (hASCs) have been proposed as a promising cell source for boosting tendon regeneration. In this work, we investigated the influence of hASCs on native human tendon-derived cells (hTDCs) through the establishment of a direct contact co-culture system...
December 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29215261/an-interface-equilibria-triggered-time-dependent-diffusion-model-of-the-boundary-potential-and-its-application-for-the-numerical-simulation-of-the-ion-selective-electrode-response-in-real-systems
#19
Vladimir V Egorov, Andrei D Novakovskii, Elena A Zdrachek
A simple dynamic model of the phase boundary potential of ion-selective electrodes is presented. The model is based on the calculations of the concentration profiles of the components in membrane and sample solution phases by means of finite difference method. The fundamental idea behind the discussed model is that the concentration gradients in membrane and sample solution phases determine only the diffusion of the components inside corresponding phases, but not the transfer across the interface. The transfer of the components across the interface at any instant of time is determined by the corresponding local interphase equilibria...
December 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29214232/hybrid-protein-glycosaminoglycan-hydrogels-promote-chondrogenic-stem-cell-differentiation
#20
Vladimíra Moulisová, Sara Poveda-Reyes, Esther Sanmartín-Masiá, Luis Quintanilla-Sierra, Manuel Salmerón-Sánchez, Gloria Gallego Ferrer
Gelatin-hyaluronic acid (Gel-HA) hybrid hydrogels have been proposed as matrices for tissue engineering because of their ability to mimic the architecture of the extracellular matrix. Our aim was to explore whether tyramine conjugates of Gel and HA, producing injectable hydrogels, are able to induce a particular phenotype of encapsulated human mesenchymal stem cells without the need for growth factors. While pure Gel allowed good cell adhesion without remarkable differentiation and pure HA triggered chondrogenic differentiation without cell spreading, the hybrids, especially those rich in HA, promoted chondrogenic differentiation as well as cell proliferation and adhesion...
November 30, 2017: ACS Omega
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