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https://www.readbyqxmd.com/read/28437768/glomeromycota-communities-survive-extreme-levels-of-metal-toxicity-in-an-orphan-mining-site
#1
I Sánchez-Castro, V Gianinazzi-Pearson, J C Cleyet-Marel, E Baudoin, D van Tuinen
Abandoned tailing basins and waste heaps of orphan mining sites are of great concern since extreme metal contamination makes soil improper for any human activity and is a permanent threat for nearby surroundings. Although spontaneous revegetation can occur, the process is slow or unsuccessful and rhizostabilisation strategies to reduce dispersal of contaminated dust represent an option to rehabilitate such sites. This requires selection of plants tolerant to such conditions, and optimization of their fitness and growth...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437767/building-integrated-agriculture-a-first-assessment-of-aerobiological-air-quality-in-rooftop-greenhouses-i-rtgs
#2
Mireia Ercilla-Montserrat, Rebeca Izquierdo, Jordina Belmonte, Juan Ignacio Montero, Pere Muñoz, Concepción De Linares, Joan Rieradevall
Building-integrated rooftop greenhouse (i-RTG) agriculture has intensified in recent years, due to the growing interest in the development of new agricultural spaces and in the promotion of food self-sufficiency in urban areas. This paper provides a first assessment of the indoor dynamics of bioaerosols in an i-RTG, with the aim of evaluating biological air quality in a tomato greenhouse near Barcelona. It evaluates the greenhouse workers' exposure to airborne pollen and fungal spores in order to prevent allergy problems associated with occupational tasks...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437614/engineering-highly-interconnected-neuronal-networks-on-nanowire-scaffolds
#3
Vini Gautam, Shagufta Naureen, Naeem Shahid, Qian Gao, Yi Wang, David R Nisbet, Chennupati Jagadish, Vincent R Daria
Identifying the specific role of physical guidance cues in the growth of neurons is crucial for understanding the fundamental biology of brain development and for designing scaffolds for tissue engineering. Here, we investigate the structural significance of nanoscale topographies as physical cues for neurite outgrowth and circuit formation by growing neurons on semiconductor nanowires. We monitored neurite growth using optical and scanning electron microscopy, and evaluated the spontaneous neuronal network activity using functional calcium imaging...
April 24, 2017: Nano Letters
https://www.readbyqxmd.com/read/28437580/differential-gene-expression-in-narrow-and-broad-headed-european-glass-eels-anguilla-anguilla-points-to-a-transcriptomic-link-of-head-shape-dimorphism-with-growth-rate-and-chemotaxis
#4
J De Meyer, G E Maes, R P Dirks, D Adriaens
One of the major challenges in evolutionary biology is to understand the mechanisms underlying morphological dimorphism and plasticity, including the genomic basis of traits and links to ecology. At the yellow eel stage of the European eel (Anguilla anguilla), two morphotypes are found: broad- and narrow-heads. This dimorphism has been linked to dietary differences, with broad-heads feeding on harder, larger prey than narrow-heads. However, recent research showed that both morphotypes could be distinguished at the glass eel stage, the non-feeding predecessor of the yellow eel stage, implying that non-dietary factors play a role in the development of this head shape dimorphism...
April 24, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28437546/root-cause-analysis-and-actions-for-the-prevention-of-medical-errors-quality-improvement-and-resident-education
#5
Ryan Charles, Brandon Hood, Joseph M DeRosier, John W Gosbee, James P Bagian, Ying Li, Michelle S Caird, J Sybil Biermann, Mark E Hake
The quality of care delivered by orthopedic surgeons continues to grow in importance. Multiple orthopedic programs, organizations, and committees have been created to measure the quality of surgical care and reduce the incidence of medical adverse events. Structured root cause analysis and actions (RCA2) has become an area of interest. If performed thoroughly, RCA2 has been shown to reduce surgical errors across many subspecialties. The Accreditation Council for Graduate Medical Education has a new mandate for programs to involve residents in quality improvement processes...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28437353/evaluation-of-the-modern-luque-trolley-construct-for-the-treatment-of-early-onset-scoliosis-using-a-gliding-implant-in-an-immature-animal-model
#6
Jean A Ouellet, Catherine E Ferland, Karina Klein, Guillaume Racloz, Karina Klein, Henning Richter, Thomas Steffen, Brigitte von Rechenberg
STUDY DESIGN: This was an experimental animal study. OBJECTIVE: To determine biological compatibility, stability, and growth potential of the Trolley Gliding Vehicle (TGV) used in a novel surgical technique for guided spinal growth. SUMMARY OF BACKGROUND DATA: Current treatments for early-onset scoliosis maintaining spinal growth consist of posteriorly based spinal constructs requiring repetitive lengthening. Such interventions have a high rate of complications...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437284/a-retrospective-study-on-mycophenolic-acid-drug-interactions-effect-of-prednisone-sirolimus-and-tacrolimus-with-mpa
#7
Ana Catalina Alvarez-Elías, Elisa Catherine Yoo, Ekaterina Kirilova Todorova, Ram Nivas Singh, Guido Filler
Mycophenolic acid (MPA), the active compound of mycophenolate mofetil (MMF), is widely used as an antirejection drug following renal transplantation. There is growing evidence supporting the notion that there is substantial variability in the intra- and inter-patient exposure to MPA. Drug interactions involving MPA with tacrolimus, steroids, and sirolimus have been understudied. The objective of this study was to determine the relationship between MPA, steroids, tacrolimus, and sirolimus. MPA trough concentrations from 37 pediatric renal transplant recipients (mean age 7...
April 6, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28437208/considerations-for-quality-improvement-in-radiation-oncology-therapy-for-patients-with-uncomplicated-painful-bone-metastases
#8
Anne M Walling, Phillip J Beron, Tania Kaprealian, Patrick A Kupelian, Neil S Wenger, Susan A McCloskey, Christopher R King, Michael Steinberg
BACKGROUND: There is an increasing need for evidence-based efficiency in providing a growing amount of cancer care. One example of a quality gap is the use of multiple-fraction palliative radiation for patients with advanced cancer who have uncomplicated bone metastases; evidence suggests similar pain outcomes for treatment regimens with a lower burden of treatments. METHODS: During the first phase of quality improvement work, we used RAND/UCLA appropriateness methodology to understand how radiation oncologists at one academic medical center rate the appropriateness of different treatment regimens for painful uncomplicated bone metastases...
February 23, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28437187/synergy-between-choroid-plexus-epithelial-cells-conditioned-medium-and-knockout-serum-replacement-converts-human-adipose-derived-stem-cells-to-dopamine-secreting-neurons
#9
Mahdi Eskandarian Boroujeni, Mossa Gardaneh, Mehrnoosh Hasan Shahriari, Abbas Aliaghaei, Sanaz Hasani
Human adipose-derived stem cells (hADSCs) have great capacity to differentiate into mesodermal origins as well as non-mesodermal lineages including neural cells. This valuable feature paves the way for the therapeutic application of hADSCs for neurodegenerative maladies such as Parkinson's disease (PD). We tested the capacity of Choroid Plexus epithelial cells-conditioned medium (CPEC-CM) alone or cocktailed with knock-out serum (KS) to induce dopaminergic differentiation of hADSCs. To this end, hADSCs from lipoaspirate were phenotypically characterized and shown to maintain mesodermal multipotency so selected media easily differentiated them into osteoblasts, chondrocytes and adipocytes...
March 2, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28437179/mechanically-oriented-3d-collagen-hydrogel-for-directing-neurite-growth
#10
Merav Antman-Passig, Shahar Levy, Chaim Gartenberg, Hadas Schori, Orit Shefi
Recent studies in the field of neuro-tissue engineering have demonstrated the promising effects of aligned contact guidance cue scaffolds of enhancement and direction of neuronal growth. In-vivo, neurons grow and develop neurites in a complex 3-Dimensional (3D) extra cellular matrix (ECM) surrounding. Studies have utilized hydrogel scaffolds derived from ECM molecules to better simulate natural growth. While many efforts have been made to control neuronal growth on 2D surfaces, the development of 3D scaffolds with an elaborate oriented topography to direct neuronal growth still remains a challenge...
February 21, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28437147/comparison-of-two-types-of-meditation-on-patients-psychosocial-responses-during-radiation-therapy-for-head-and-neck-cancer
#11
Gisela Boxleitner, Shelley Jolie, Dana Shaffer, Nicholas Pasacreta, Mei Bai, Ruth McCorkle
OBJECTIVES: Radiation treatment for head and neck cancer introduces adaptive demands and subjects patients to significant and unique psychosocial challenges. There is growing evidence that meditation is useful in lessening anxiety and depression in cancer patients. This study compared the effects of two types of meditation training on the psychological responses of patients with head and neck cancer during radiation therapy. DESIGN: Randomized clinical trial. SETTING: Smilow Cancer Hospital at Yale New Haven...
February 17, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28437136/enumeration-of-ancestral-configurations-for-matching-gene-trees-and-species-trees
#12
Filippo Disanto, Noah A Rosenberg
Given a gene tree and a species tree, ancestral configurations represent the combinatorially distinct sets of gene lineages that can reach a given node of the species tree. They have been introduced as a data structure for use in the recursive computation of the conditional probability under the multispecies coalescent model of a gene tree topology given a species tree, the cost of this computation being affected by the number of ancestral configurations of the gene tree in the species tree. For matching gene trees and species trees, we obtain enumerative results on ancestral configurations...
April 24, 2017: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/28437122/childhood-family-characteristics-and-prescription-drug-misuse-in-a-national-sample-of-latino-adults
#13
Ellen L Vaughan, Mary Waldron, Marcel A de Dios, James Richter, Miguel Ángel Cano
Prescription drug misuse is a growing public health concern and has been understudied in Latino populations. The current study tests the relationships between childhood and family characteristics and prescriptions drug misuse among adult Latinos. A subsample of 8,308 Latinos from the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) were examined. Logistic regression analyses tested associations between parental alcoholism, parental divorce before age 18, and parental death before age 18 and prescription drug misuse and prescription drug use disorder...
April 24, 2017: Psychology of Addictive Behaviors: Journal of the Society of Psychologists in Addictive Behaviors
https://www.readbyqxmd.com/read/28437067/in-situ-synthesis-of-tungsten-doped-sno2-and-graphene-nanocomposites-for-high-performance-anode-materials-of-lithium-ion-batteries
#14
Shuai Wang, Liyi Shi, Guorong Chen, Chaoqun Ba, Zhuyi Wang, Jiefang Zhu, Yin Zhao, Meihong Zhang, Shuai Yuan
The composite of tungsten-doped SnO2 and reduced graphene oxide was synthesized through a simple one-pot hydrothermal method. According to the structural characterization of the composite, tungsten ions were doped in the unit cells of tin dioxide rather than simply attaching to the surface. Tungsten-doped SnO2 was in-situ growing on the surface of graphene sheet to form a three-dimension conductive network which enhanced the electron transportation and lithium ion diffusion effectively, as well as the issues of SnO2 agglomeration and volume expansion could be avoided because the tungsten-doped SnO2 nanoparticles were homogeneously distributed on graphene sheet...
April 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28436999/clinical-practice-guidelines-on-the-evidence-based-use-of-integrative-therapies-during-and-after-breast-cancer-treatment
#15
REVIEW
Heather Greenlee, Melissa J DuPont-Reyes, Lynda G Balneaves, Linda E Carlson, Misha R Cohen, Gary Deng, Jillian A Johnson, Matthew Mumber, Dugald Seely, Suzanna M Zick, Lindsay M Boyce, Debu Tripathy
Answer questions and earn CME/CNE Patients with breast cancer commonly use complementary and integrative therapies as supportive care during cancer treatment and to manage treatment-related side effects. However, evidence supporting the use of such therapies in the oncology setting is limited. This report provides updated clinical practice guidelines from the Society for Integrative Oncology on the use of integrative therapies for specific clinical indications during and after breast cancer treatment, including anxiety/stress, depression/mood disorders, fatigue, quality of life/physical functioning, chemotherapy-induced nausea and vomiting, lymphedema, chemotherapy-induced peripheral neuropathy, pain, and sleep disturbance...
April 24, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28436967/microtubule-minus-end-regulation-at-spindle-poles-by-an-aspm-katanin-complex
#16
Kai Jiang, Lenka Rezabkova, Shasha Hua, Qingyang Liu, Guido Capitani, A F Maarten Altelaar, Albert J R Heck, Richard A Kammerer, Michel O Steinmetz, Anna Akhmanova
ASPM (known as Asp in fly and ASPM-1 in worm) is a microcephaly-associated protein family that regulates spindle architecture, but the underlying mechanism is poorly understood. Here, we show that ASPM forms a complex with another protein linked to microcephaly, the microtubule-severing ATPase katanin. ASPM and katanin localize to spindle poles in a mutually dependent manner and regulate spindle flux. X-ray crystallography revealed that the heterodimer formed by the N- and C-terminal domains of the katanin subunits p60 and p80, respectively, binds conserved motifs in ASPM...
April 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28436930/a-framework-for-ethical-decision-making-in-the-rehabilitation-of-patients-with-anosognosia
#17
Anna Rita Egbert
Currently, the number of patients diagnosed with impaired self-awareness of their own deficits after brain injury-anosognosia-is increasing. One reason is a growing understanding of this multifaceted phenomenon. Another is the development and accessibility of alternative measurements that allow more detailed diagnoses. Anosognosia can adversely affect successful rehabilitation, as often patients lack confidence in the need for treatment. Planning such treatment can become a complex process full of ethical dilemmas...
2017: Journal of Clinical Ethics
https://www.readbyqxmd.com/read/28436897/tensor-factorized-neural-networks
#18
Jen-Tzung Chien, Yi-Ting Bao
The growing interests in multiway data analysis and deep learning have drawn tensor factorization (TF) and neural network (NN) as the crucial topics. Conventionally, the NN model is estimated from a set of one-way observations. Such a vectorized NN is not generalized for learning the representation from multiway observations. The classification performance using vectorized NN is constrained, because the temporal or spatial information in neighboring ways is disregarded. More parameters are required to learn the complicated data structure...
April 17, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28436760/diabetes-management-by-probiotics-current-knowledge-and-future-pespective
#19
Aziz Homayouni-Rad, Ahmad-Reza Soroush, Leila Khalili, Leila Norouzi-Panahi, Zahra Kasaie, Hanieh-Sadat Ejtahed
Diabetes mellitus, a multifactorial disorder, is related to the intestinal microbiota via numerous molecular mechanisms. The vast increase in the prevalence of diabetes and its associated complications requires a natural and safe solution. There is a growing evidence of gut microbiota effi ciency in improving insulin resistance, impaired insulin secretion, and metabolic complications in diabetic patients. Probiotics are defi ned as live microorganisms that, when ingested in adequate amounts, exert health benefi ts to the host...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28436694/acculturation-level-and-caregiver-outcomes-from-a-randomized-intervention-trial-to-enhance-caregivers-health-evidence-from-reach-ii
#20
Oanh L Meyer, Xiaoyan Lucia Liu, Daniel Tancredi, A Susana Ramirez, Richard Schulz, Ladson Hinton
OBJECTIVE: Latinos comprise a growing segment of the caregiver population and vary widely in acculturation, yet little is known regarding how acculturation might affect caregiver stress or intervention outcomes. This study examined the relationship between acculturation and burden, bother, and depression in Latino dementia caregivers at baseline and following an intervention. METHODS: This was a secondary data analysis of 211 Latino caregivers of older adults with dementia from Resources for Enhancing Alzheimer's Caregiver Health (REACH) II, a multisite randomized trial of caregiver interventions...
April 24, 2017: Aging & Mental Health
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