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https://www.readbyqxmd.com/read/29245185/contribution-of-crop-model-structure-parameters-and-climate-projections-to-uncertainty-in-climate-change-impact-assessments
#1
Fulu Tao, Reimund P Rötter, Taru Palosuo, C G H Díaz-Ambrona, M Inés Mínguez, Mikhail A Semenov, Kurt Christian Kersebaum, Claas Nendel, Xenia Specka, Holger Hoffmann, Frank Ewert, Anaelle Dambreville, Pierre Martre, Lucía Rodríguez, Margarita Ruiz-Ramos, Thomas Gaiser, Jukka G Höhn, Tapio Salo, Roberto Ferrise, Marco Bindi, Davide Cammarano, Alan H Schulman
Climate change impact assessments are plagued with uncertainties from many sources, such as climate projections or the inadequacies in structure and parameters of the impact model. Previous studies tried to account for the uncertainty from one or two of these. Here, we developed a triple-ensemble probabilistic assessment using seven crop models, multiple sets of model parameters, and eight contrasting climate projections together to comprehensively account for uncertainties from these three important sources...
December 15, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29245182/an-efficient-parallel-simulation-of-unsteady-blood-flows-in-patient-specific-pulmonary-artery
#2
Fande Kong, Vitaly Kheyfets, Ender Finol, Xiao-Chuan Cai
Simulation of blood flows in the pulmonary artery provides some insight into certain diseases by examining the relationship between some continuum metrics, e.g. the wall shear stress acting on the vascular endothelium, which responds to flow-induced mechanical forces by releasing vasodilators/constrictors. In [?kheyfets2015patient], V. Kheyfets studies numerically a patient-specific pulmonary circulation to show that decreasing wall shear stress is correlated with increasing pulmonary vascular impedance. In this paper, we develop a scalable parallel algorithm based on domain decomposition methods to investigate an unsteady model with patient specific pulsatile waveforms as the inlet boundary condition...
December 15, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29245181/revealing-a-new-mode-of-sensitization-induced-by-mechanical-circulatory-support-devices-impact-of-anti-at1-r-antibodies
#3
X Zhang, J Mirocha, T Aintablian, S Dimbil, J Moriguchi, F Arabia, J A Kobashigawa, N L Reinsmoen
BACKGROUND: Increased levels of angiotensin II type 1 receptor (AT1 R) antibody have been shown to be associated with allograft rejection. This study aims to determine the rate of development of antibody to AT1 R after Mechanical Circulatory Support Device (MCS) implantation, and if development of strong binding AT1 R antibodies is associated with survival. METHODS: 88 patients who had one MCS implantation were accessed based on serum availability. MCS in this cohort included pneumatic bilateral paracorporeal ventricular assist device, continuous flow left ventricular assist device, and total artificial heart...
December 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29245178/transcriptional-regulation-of-cd4-t-cell-differentiation-in-experimentally-induced-arthritis-and-rheumatoid-arthritis
#4
REVIEW
Yuya Kondo, Masahiro Yokosawa, Shunta Kaneko, Kotona Furuyama, Seiji Segawa, Hiroto Tsuboi, Isao Matsumoto, Takayuki Sumida
Rheumatoid arthritis (RA) is a chronic inflammatory disorder characterized by infiltration of the joint synovium by activated inflammatory cells. CD4+ T cells form a large proportion of the inflammatory cells invading the synovial tissue, and are involved in the RA pathological process. In general, CD4+ T cells differentiate into various T helper (Th) cell subsets and acquire the functional characterization to respond to specific pathogens, and also mediated some autoimmune disorders such as RA. Because the differentiation of Th cell subsets is determined by the expression of specific transcription factors in response to cytokine environment, these transcription factors is considered to have a role in pathology of RA...
December 15, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29245175/development-and-testing-of-a-hybrid-measure-of-muscle-strength-in-juvenile-dermatomyositis-for-use-in-routine-care
#5
Giulia Camilla Varnier, Silvia Rosina, Cristina Ferrari, Angela Pistorio, Alessandro Consolaro, Francesca Bovis, Sara Dalprà, Clarissa Pilkington, Susan Maillard, Adele Civino, Elena Tsitsami, Jaime de Inocencio, Marija Jelusic, Jelena Vojinovic, Graciela Espada, Balahan Makay, Maria Martha Katsicas, Polixeni Pratsidou-Gertsi, Dragana Lazarevic, Anand Prahalad Rao, Denise Pires Marafon, Nicolino Ruperto, Alberto Martini, Angelo Ravelli
OBJECTIVE: To develop and test a hybrid measure of muscle strength for juvenile dermatomyositis (JDM), which is based on the combination of the Manual Muscle Testing 8 (MMT8) and the Childhood Myositis Assessment Scale (CMAS), but is more comprehensive than the former and more feasible than the latter. METHODS: The hybrid MMT/CMAS (hMC) is composed of all 8 items of the MMT8 and 3 items of the CMAS: 1) time of head lift; 2) assessment of abdominal muscles; 3) floor rise...
December 15, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29245173/patient-perception-of-disease-related-symptoms-and-complications-in-relapsing-polychondritis
#6
Marcela A Ferrada, Peter C Grayson, Shubhasree Banerjee, Keith Sikora, Robert Colbert, Ninet Sinaii, James D Katz
OBJECTIVE: To assess patient-reported symptoms and burden of disease in relapsing polychondritis (RP). METHODS: Patients with RP completed a disease-specific online survey to identify symptoms attributed to illness. Patients were divided into subgroups based upon presence or absence of ear/nose, airway, or joint involvement. Pathway to diagnosis, treatment, and disease-related complications were assessed within each subgroup. RESULTS: Data from 304 respondents were included in this analysis...
December 15, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29245170/-consequences-of-a-failed-project-introduction-and-management-of-a-hospitalization-substituting-treatment-model
#7
Uwe Peters
This article is a report on a psychiatric project introducing services that substitute in-patient treatment and a new control and management system. The implementation of the project was a failure. Nevertheless, the project has made a contribution to further development of community-based psychiatry. Design, organization and course of the project are described and analyzed from the point of view of the communal actors involved. Effects going beyond the time course of the project have been taken into consideration...
December 15, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/29245156/selection-and-targeting-of-epcam-protein-by-ssdna-aptamer
#8
Walhan Alshaer, Nida Ababneh, Mamon Hatmal, Heba Izmirli, Moujab Choukeife, Alaa Shraim, Nour Sharar, Aya Abu-Shiekah, Fadwa Odeh, Abeer Al Bawab, Abdalla Awidi, Said Ismail
Aptamers are molecules that reveal highly complex and refined molecular recognition properties. These molecules are capable of binding with high affinity and selectivity to targets, ranging from small molecules to whole living cells. Several aptamers have been selected for targeting cellular proteins and they have also used in developing therapeutics and diagnostic strategies. Epithelial cell adhesion molecule (EpCAM) is considered as a cancer stem cell (CSC) biomarker and one of the most promising targets for aptamer selection against CSCs...
2017: PloS One
https://www.readbyqxmd.com/read/29245151/substantial-enhancement-of-anaerobic-pyridine-bio-mineralization-by-electrical-stimulation
#9
Xinbai Jiang, Jinyou Shen, Kaichun Xu, Dan Chen, Yang Mu, Xiuyun Sun, Weiqing Han, Jiansheng Li, Lianjun Wang
Due to highly recalcitrant and toxicological nature of pyridine, the conventional anaerobic bioprocess is often limited by low removal rate and poor process stability. In this study, an electricity-assisted anaerobic system was developed in order to enhance biodegradation of pyridine from wastewater. The results showed that the performance and stability of the anaerobic reactor was remarkably improved for pyridine biodegradation with the applied direct current of 0.3 mA, where the efficiencies of pyridine and total organic carbon removal as well as NH4+-N formation were as high as 100...
December 5, 2017: Water Research
https://www.readbyqxmd.com/read/29245149/organorelease-a-framework-for-modeling-the-release-of-organic-chemicals-from-the-use-and-post-use-of-consumer-products
#10
Mengya Tao, Dingsheng Li, Runsheng Song, Sangwon Suh, Arturo A Keller
Chemicals in consumer products have become the focus of recent regulatory developments including California's Safer Consumer Products Act. However, quantifying the amount of chemicals released during the use and post-use phases of consumer products is challenging, limiting the ability to understand their impacts. Here we present a comprehensive framework, OrganoRelease, for estimating the release of organic chemicals from the use and post-use of consumer products given limited information. First, a novel Chemical Functional Use Classifier estimates functional uses based on chemical structure...
December 12, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29245146/effects-of-elevated-o3-on-physiological-and-biochemical-responses-in-three-kinds-of-trees-native-to-subtropical-forest-in-china-during-non-growing-period
#11
Hao Yu, Jixin Cao, Zhan Chen, He Shang
Numerous studies have documented the negative effects of ozone (O3) on tree species in growing season, however, little is done in non-growing season. Three evergreen tree species, Phoebe bournei (Hemsl.) Yang (P. bournei), Machilus pauhoi Kanehira (M. pauhoi) and Taxus chinensis (Pilger) Rehd (T. chinensis), were exposed to non-filtered air, 100 nmol mol-1 O3 air (E1) and 150 nmol mol-1 O3 air (E2) in open-top chambers in subtropical China. In the entire period of experiment, O3 fumigation decreased net photosynthesis rate (Pn) through stomatal limitation during the transition period from growing to non-growing season (TGN), and through non-stomatal limitation during the period of non-growing season (NGS) in all species tested...
December 12, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29245143/functionalization-of-protein-crystals-with-metal-ions-complexes-and-nanoparticles
#12
REVIEW
Satoshi Abe, Basudev Maity, Takafumi Ueno
Self-assembled proteins have specific functions in biology. With inspiration provided by natural protein systems, several artificial protein assemblies have been constructed via site-specific mutations or metal coordination, which have important applications in catalysis, material and bio-supramolecular chemistry. Similar to natural protein assemblies, protein crystals have been recognized as protein assemblies formed of densely-packed monomeric proteins. Protein crystals can be functionalized with metal ions, metal complexes or nanoparticles via soaking, co-crystallization, creating new metal binding sites by site-specific mutations...
December 12, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/29245140/school-readiness-of-maltreated-children-associations-of-timing-type-and-chronicity-of-maltreatment
#13
Megan F Bell, Donna M Bayliss, Rebecca Glauert, Jeneva L Ohan
Children who have been maltreated during early childhood may experience a difficult transition into fulltime schooling, due to maladaptive development of the skills and abilities that are important for positive school adaptation. An understanding of how different dimensions of maltreatment relate to children's school readiness is important for informing appropriate supports for maltreated children. In this study, the Australian Early Development Census scores of 19,203 children were linked to information on child maltreatment allegations (substantiated and unsubstantiated), including the type of alleged maltreatment, the timing of the allegation (infancy-toddlerhood or preschool), and the total number of allegations (chronicity)...
December 11, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/29245134/phosphorus-recovery-and-reuse-by-pyrolysis-applications-for-agriculture-and-environment
#14
REVIEW
Daquan Sun, Lauren Hale, Gourango Kar, Raju Soolanayakanahally, Sina Adl
Phosphorus ore extraction for soil fertilization supports the demand of modern agriculture, but extractable resource limitations, due to scarcity, impose a P reuse and recycling research agenda. Here we propose to integrate biochar production (pyrogenic carbon) with municipal and agricultural waste management systems, to recover and reuse phosphorous that would otherwise be lost from the ecological food web. A meta-analysis and available data on total P in biochar indicated that P-enriched feedstocks include animal manure, human excreta, and plant-biomass collected from P-polluted sites...
December 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/29245129/a-novel-approach-of-modeling-continuous-dark-hydrogen-fermentation
#15
Maria Alexandropoulou, Georgia Antonopoulou, Gerasimos Lyberatos
In this study a novel modeling approach for describing fermentative hydrogen production in a continuous stirred tank reactor (CSTR) was developed, using the Aquasim modeling platform. This model accounts for the key metabolic reactions taking place in a fermentative hydrogen producing reactor, using fixed stoichiometry but different reaction rates. Biomass yields are determined based on bioenergetics. The model is capable of describing very well the variation in the distribution of metabolic products for a wide range of hydraulic retention times (HRT)...
December 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29245123/the-gdnf-family-a-role-in-cancer
#16
REVIEW
Graeme C Fielder, Teresa Wen-Shan Yang, Mahalakshmi Razdan, Yan Li, Jun Lu, Jo K Perry, Peter E Lobie, Dong-Xu Liu
The glial cell line-derived neurotrophic factor (GDNF) family of ligands (GFLs) comprising of GDNF, neurturin, artemin, and persephin plays an important role in the development and maintenance of the central and peripheral nervous system, renal morphogenesis, and spermatogenesis. Here we review our current understanding of GFL biology, and supported by recent progress in the area, we examine their emerging role in endocrine-related and other non-hormone-dependent solid neoplasms. The ability of GFLs to elicit actions that resemble those perturbed in an oncogenic phenotype, alongside mounting evidence of GFL involvement in tumor progression, presents novel opportunities for therapeutic intervention...
December 12, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29245122/reduction-of-cancer-cell-viability-by-synergistic-combination-of-photodynamic-treatment-with-the-inhibition-of-the-id-protein-family
#17
Cornelia Roschger, Thomas Verwanger, Barbara Krammer, Chiara Cabrele
The inhibitor of DNA binding and cell differentiation (Id) proteins are dominant negative regulators of the helix-loop-helix transcription factor family and play a key role during development as well as in vascular disorders and cancer. In fact, impairing the Id-protein activity in cancer cells reduces cell growth and even chemoresistance. Recently, we have shown that a synthetic Id-protein ligand (1Y) consisting of a cyclic nonapeptide can reduce the viability of the two breast cancer cell lines MCF-7 and T47D and of the bladder cancer cells T24 to about 50% at concentrations ≥100μM...
December 5, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29245119/dceus-based-focal-parametric-perfusion-imaging-of-microvessel-with-single-pixel-resolution-and-high-contrast
#18
Diya Wang, Mengnan Xiao, Hong Hu, Yu Zhang, Zhe Su, Shanshan Xu, Yujin Zong, Mingxi Wan
This study aimed to develop a focal microvascular contrast-enhanced ultrasonic parametric perfusion imaging (PPI) scheme to overcome the tradeoff between the resolution, contrast, and accuracy of focal PPI in the tumor. Its resolution was limited by the low signal-to-clutter ratio (SCR) of time-intensity-curves (TICs) induced by multiple limitations, which deteriorated the accuracy and contrast of focal PPI. The scheme was verified by the in-vivo perfusion experiments. Single-pixel TICs were first extracted to ensure PPI with the highest resolution...
December 2, 2017: Ultrasonics
https://www.readbyqxmd.com/read/29245116/human-lung-epithelial-cells-a549-epithelial-mesenchymal-transition-induced-by-pva-collagen-nanofiber
#19
Xiuchun Li, Shanshan Yan, Jing Dai, Yi Lu, Yiqun Wang, Man Sun, Jinkang Gong, Yuan Yao
Epithelial-mesenchymal transition (EMT) is a process by which epithelial cells lose their cell-cell contact to become mesenchymal stem cells, which is important on development and embryogenesis, wound healing, and cancer metastasis. This research aims to investigate the effect of topological cue as modulating factor on the EMT by tuning the diameter of electrospinning nanofiber. The cell-nanofiber interaction between human lung epithelial cell A549 and electrospinning nanofibers composed of polyvinyl alcohol (PVA) and type I collagen were investigated...
December 11, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29245114/subacromial-impingement-syndrome-an-electromyographic-study-of-shoulder-girdle-muscle-fatigue
#20
Omid Alizadehkhaiyat, Margaret M Roebuck, Ahmed T Makki, Simon P Frostick
Muscle fatigue affecting glenohumeral and/or scapular muscles is suggested as one of the contributing factors to the development of subacromial impingement syndrome (SAIS). Nonetheless, the fatigability of shoulder girdle muscles in association with the pathomechanics of SAIS has not been reported. This study aimed to measure and compare fatigue progression within the shoulder girdle musculature of patients and healthy controls. 75 participants including 39 patients (20 females; 19 males) and 36 healthy controls (15 females; 21 males) participated in the study...
December 7, 2017: Journal of Electromyography and Kinesiology
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