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https://www.readbyqxmd.com/read/28097927/assessment-and-comparison-of-three-high-aluminum-fly-ash-utilization-scenarios-in-inner-mongolia-china-using-an-eco-efficiency-indicator
#1
Shuo Yang, Ling Lin, Shao Peng Li, Qiang Li, Xiu Teng Wang, Liang Sun
Utilization of fly ash is of great importance in China in the context of resource and environmental crises. Different fly ash utilization processes are proposed, and some have been practically applied. However, none of these fly ash utilization pathways has been evaluated comprehensively by integrating both environmental and economic perspectives. In this study, three high-aluminum fly ash utilization methods in Mongolia were assessed and compared based on the concept of eco-efficiency. The environmental assessment was conducted in accordance with life-cycle assessment principles, and a monetization-weighting approach was applied to obtain social willingness-to-pay as a reflection of environmental impact...
January 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28097324/molecular-based-recursive-partitioning-analysis-model-for-glioblastoma-in-the-temozolomide-era-a-correlative-analysis-based-on-nrg-oncology-rtog-0525
#2
Erica Hlavin Bell, Stephanie L Pugh, Joseph P McElroy, Mark R Gilbert, Minesh Mehta, Alexander C Klimowicz, Anthony Magliocco, Markus Bredel, Pierre Robe, Anca-L Grosu, Roger Stupp, Walter Curran, Aline P Becker, Andrea L Salavaggione, Jill S Barnholtz-Sloan, Kenneth Aldape, Deborah T Blumenthal, Paul D Brown, Jon Glass, Luis Souhami, R Jeffrey Lee, David Brachman, John Flickinger, Minhee Won, Arnab Chakravarti
Importance: There is a need for a more refined, molecularly based classification model for glioblastoma (GBM) in the temozolomide era. Objective: To refine the existing clinically based recursive partitioning analysis (RPA) model by incorporating molecular variables. Design, Setting, and Participants: NRG Oncology RTOG 0525 specimens (n = 452) were analyzed for protein biomarkers representing key pathways in GBM by a quantitative molecular microscopy-based approach with semiquantitative immunohistochemical validation...
January 12, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28096695/hysterosalpingo-foam-sonography-patient-selection-and-perspectives
#3
REVIEW
Hemashree Rajesh, Serene Liqing Lim, Su Ling Yu
We present an overview of the common types of tubal patency tests, with a focus on hysterosalpingo-foam sonography (HyFoSy). Current evidence suggests that HyFoSy is an accurate alternative to X-ray hysterosalpingography (HSG) for outpatient tubal evaluation in women who are at low risk for tubal disease. It may be superior to saline hysterosalpingo-contrast sonography (HyCoSy) in excluding tubal occlusion. A hyperechogenic medium may enhance contrast visualization and enable clearer delineation of tubal anatomy...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28094016/a-single-cell-roadmap-of-lineage-bifurcation-in-human-esc-models-of-embryonic-brain-development
#4
Zizhen Yao, John K Mich, Sherman Ku, Vilas Menon, Anne-Rachel Krostag, Refugio A Martinez, Leon Furchtgott, Heather Mulholland, Susan Bort, Margaret A Fuqua, Ben W Gregor, Rebecca D Hodge, Anu Jayabalu, Ryan C May, Samuel Melton, Angelique M Nelson, N Kiet Ngo, Nadiya V Shapovalova, Soraya I Shehata, Michael W Smith, Leah J Tait, Carol L Thompson, Elliot R Thomsen, Chaoyang Ye, Ian A Glass, Ajamete Kaykas, Shuyuan Yao, John W Phillips, Joshua S Grimley, Boaz P Levi, Yanling Wang, Sharad Ramanathan
During human brain development, multiple signaling pathways generate diverse cell types with varied regional identities. Here, we integrate single-cell RNA sequencing and clonal analyses to reveal lineage trees and molecular signals underlying early forebrain and mid/hindbrain cell differentiation from human embryonic stem cells (hESCs). Clustering single-cell transcriptomic data identified 41 distinct populations of progenitor, neuronal, and non-neural cells across our differentiation time course. Comparisons with primary mouse and human gene expression data demonstrated rostral and caudal progenitor and neuronal identities from early brain development...
January 5, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28092941/21st-century-cell-culture-for-21st-century-toxicology
#5
David Pamies, Thomas Hartung
There is no good science in bad models. Cell culture is especially prone to artifacts. A number of novel cell culture technologies have become more broadly available in the 21st century, which allow overcoming limitations of traditional culture and are more physiologically relevant. These include the use of stem-cell derived human cells, cocultures of different cell types, scaffolds and extracellular matrices, perfusion platforms (such as microfluidics), 3D culture, organ-on-chip technologies, tissue architecture, and organ functionality...
January 17, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28092373/chronic-signaling-via-the-metabolic-checkpoint-kinase-mtorc1-induces-macrophage-granuloma-formation-and-marks-sarcoidosis-progression
#6
Monika Linke, Ha Thi Thanh Pham, Karl Katholnig, Thomas Schnöller, Anne Miller, Florian Demel, Birgit Schütz, Margit Rosner, Boris Kovacic, Nyamdelger Sukhbaatar, Birgit Niederreiter, Stephan Blüml, Peter Kuess, Veronika Sexl, Mathias Müller, Mario Mikula, Wolfram Weckwerth, Arvand Haschemi, Martin Susani, Markus Hengstschläger, Michael J Gambello, Thomas Weichhart
The aggregation of hypertrophic macrophages constitutes the basis of all granulomatous diseases, such as tuberculosis or sarcoidosis, and is decisive for disease pathogenesis. However, macrophage-intrinsic pathways driving granuloma initiation and maintenance remain elusive. We found that activation of the metabolic checkpoint kinase mTORC1 in macrophages by deletion of the gene encoding tuberous sclerosis 2 (Tsc2) was sufficient to induce hypertrophy and proliferation, resulting in excessive granuloma formation in vivo...
January 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28088582/ripk1-protects-hepatocytes-from-kupffer-cells-mediated-tnf-induced-apoptosis-in-mouse-models-of-pamp-induced-hepatitis
#7
Aveline Filliol, Claire Piquet-Pellorce, Céline Raguénès-Nicol, Sarah Dion, Muhammad Farooq, Catherine Lucas-Clerc, Peter Vandenabeele, Mathieu J M Bertrand, Jacques Le Seyec, Michel Samson
BACKGROUND & AIMS: The severity of liver diseases is exacerbated by the death of hepatocytes, which can be induced by the sensing of Pathogen Associated Molecular Patterns (PAMPs) derived from the gut microbiota. The molecular mechanisms regulating these cell death pathways are poorly documented. In this study, we investigated the role of the Receptor Interacting Protein Kinase 1 (RIPK1), a protein known to regulate cell fate decisions, in the death of hepatocytes using two in vivo models of PAMP-induced hepatitis...
January 11, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28087371/use-of-the-heart-pathway-with-high-sensitivity-cardiac-troponins-a-secondary-analysis
#8
Simon A Mahler, Jason P Stopyra, Fred S Apple, Robert F Riley, Gregory B Russell, Brian C Hiestand, James W Hoekstra, Cedric W Lefebvre, Bret A Nicks, David M Cline, Kim L Askew, David M Herrington, Gregory L Burke, Chadwick D Miller
OBJECTIVES: The HEART Pathway combines a decision aid and serial contemporary cardiac troponin I (cTnI) measures to achieve >99% sensitivity for major adverse cardiac events (MACE) at 30days and early discharge rates >20%. However, the impact of integrating high-sensitivity troponin (hs-cTn) measures into the HEART Pathway has yet to be determined. In this analysis we compare test characteristics of the HEART Pathway using hs-cTnI, hs-cTnT, or cTnI. DESIGN &METHODS: A secondary analysis of participants enrolled in the HEART Pathway RCT was conducted...
January 10, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28086826/offering-patients-therapy-options-in-unplanned-start-options-implementation-of-an-educational-program-is-feasible-and-effective
#9
Anna Machowska, Mark Dominik Alscher, Satyanarayana Reddy Vanga, Michael Koch, Michael Aarup, Abdul Rashid Qureshi, Bengt Lindholm, Peter Rutherford
BACKGROUND: Patients with unplanned dialysis start (UPS) have worse clinical outcomes than non-UPS patients, and receive peritoneal dialysis (PD) less frequently. In the OPTiONS study of UPS patients, an educational programme (UPS-EP) aiming at improving care of UPS patients by facilitating care pathways and enabling informed choice of dialysis modality was implemented. We here report on impact of UPS-EP on modality choice and clinical outcomes in UPS patients. METHODS: This non-interventional, prospective, multi-center, observational study included 270 UPS patients from 26 centers in 6 European countries (Austria, Germany, Denmark, France, United Kingdom and Sweden) who prior to inclusion presented acutely, or were being followed by nephrologists but required urgent dialysis commencement by an acutely placed CVC or PD catheter...
January 13, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28079113/congenital-hearing-loss
#10
Anna M H Korver, Richard J H Smith, Guy Van Camp, Mark R Schleiss, Maria A K Bitner-Glindzicz, Lawrence R Lustig, Shin-Ichi Usami, An N Boudewyns
Congenital hearing loss (hearing loss that is present at birth) is one of the most prevalent chronic conditions in children. In the majority of developed countries, neonatal hearing screening programmes enable early detection; early intervention will prevent delays in speech and language development and has long-lasting beneficial effects on social and emotional development and quality of life. A diagnosis of hearing loss is usually followed by a search for an underlying aetiology. Congenital hearing loss might be attributed to environmental and prenatal factors, which prevail in low-income settings; congenital infections, particularly cytomegalovirus infection, are also a common risk factor for hearing loss...
January 12, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28077788/androgen-receptor-splice-variants-and-prostate-cancer-from-bench-to-bedside
#11
REVIEW
Kristine M Wadosky, Shahriar Koochekpour
Therapeutic interventions for advanced prostate cancer (PCa) center on inhibiting androgen receptor (AR) and downstream signaling pathways. Resistance to androgen deprivation therapy and/or AR antagonists is inevitable and molecular mechanisms driving castration-resistant PCa (CR-PCa) primarily involve alterations in AR expression and activity. Detailed molecular biology work over the past decade, discussed at length in this review article, has revealed several AR transcripts that result from alternative splicing...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28073446/harmful-algal-bloom-forecast-system-for-sw-ireland-part-i-description-and-validation-of-an-operational-forecasting-model
#12
Tomasz Dabrowski, Kieran Lyons, Glenn Nolan, Alan Berry, Caroline Cusack, Joe Silke
A 3D primitive equation coastal ocean model for southwest Ireland, called the Bantry Bay model, was developed and implemented operationally. Validated model outputs have multiple uses. One of the incentives to develop the model was to explore the possible transport pathways that carry harmful algae blooms (HAB) into Bantry Bay. The model is nested offline in a regional North East Atlantic operational model. Surface forcing is taken from the half-degree Global Forecasting System, available at three-hourly intervals...
March 2016: Harmful Algae
https://www.readbyqxmd.com/read/28068474/chemoselective-hydrodehalogenation-of-organic-halides-utilizing-two-dimensional-anionic-electrons-of-inorganic-electride-ca2n-%C3%A2-e
#13
Ye Ji Kim, Sun Min Kim, Chunghyeon Yu, Youngmin You, Eun Jin Cho, Jung Woon Yang, Sung Wng Kim
Halogenated organic compounds (HOCs) are important man-made chemicals widely used in chemical industry, biology and pharmacology; however, the persistence and inertness of organic halides cause human health problems and considerable environmental pollution. Thus, the elimination of halogen atoms from organic halides has been considered a central task in synthetic chemistry. In dehalogenation reactions, the inorganic bases remove halogen atoms, forming leaving groups and carbanions. Though the stable formation of free carbanion is the most decisive factor in determining the pathway and efficiency of reactions, the importance of carbanion stability in dehalogenation has long been overlooked...
January 9, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28068319/fbxo32-suppresses-breast-cancer-tumorigenesis-through-targeting-klf4-to-proteasomal-degradation
#14
H Zhou, Y Liu, R Zhu, F Ding, Y Wan, Y Li, Z Liu
Krüppel-like factor 4 (KLF4, GKLF) is a zinc-finger transcription factor involved in a large variety of cellular processes, including apoptosis, cell cycle progression, as well as stem cell renewal. KLF4 is critical for cell fate decision and has an ambivalent role in tumorigenesis. Emerging data keep reminding us that KLF4 dysregulation either facilitates or impedes tumor progression, making it important to clarify the regulating network of KLF4. Like most transcription factors, KLF4 has a rather short half-life within the cell and its turnover must be carefully orchestrated by ubiquitination and ubiquitin-proteasome system...
January 9, 2017: Oncogene
https://www.readbyqxmd.com/read/28067773/a-systems-biological-view-of-life-and-death-decision-with-respect-to-endoplasmic-reticulum-stress-the-role-of-perk-pathway
#15
Margita Márton, Anita Kurucz, Beáta Lizák, Éva Margittai, Gábor Bánhegyi, Orsolya Kapuy
Accumulation of misfolded/unfolded proteins in the endoplasmic reticulum (ER) leads to the activation of three branches (Protein kinase (RNA)-like endoplasmic reticulum kinase [PERK], Inositol requiring protein 1 [IRE-1] and Activating trascription factor 6 [ATF6], respectively) of unfolded protein response (UPR). The primary role of UPR is to try to drive back the system to the former or a new homeostatic state by self-eating dependent autophagy, while excessive level of ER stress results in apoptotic cell death...
January 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28065797/characterising-the-developmental-profile-of-hesc-derived-medium-spiny-neuron-progenitors-and-assessing-mature-neuron-function-using-a-crispr-generated-human-darpp-32-wt-egfp-amp-reporter-line
#16
C P J Hunt, C W Pouton, J M Haynes
In the developing ventral telencephalon, cells of the lateral ganglionic eminence (LGE) give rise to all medium spiny neurons (MSNs). This development occurs in response to a highly orchestrated series of morphogenetic stimuli that pattern the resultant neurons as they develop. Striatal MSNs are characterised by expression of dopamine receptors, dopamine-and cyclic AMP-regulated phosphoprotein (DARPP32) and the neurotransmitter GABA. In this study, we demonstrate that fine tuning WNT and SHH signaling early in human embryonic stem cell differentiation can induce a subpallial progenitor molecular profile...
January 5, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28063810/2017-acc-expert-consensus-decision-pathway-for-transcatheter-aortic-valve-replacement-in-the-management-of-adults-with-aortic-stenosis-a-report-of-the-american-college-of-cardiology-task-force-on-clinical-expert-consensus-documents
#17
Catherine M Otto, Dharam J Kumbhani, Karen P Alexander, John H Calhoon, Milind Y Desai, Sanjay Kaul, James C Lee, Carlos E Ruiz, Christina M Vassileva
No abstract text is available yet for this article.
December 21, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28063342/linking-genomic-responses-of-gonads-with-reproductive-impairment-in-marine-medaka-oryzias-melastigma-exposed-chronically-to-the-chemopreventive-and-antifouling-agent-3-3-diindolylmethane-dim
#18
Lianguo Chen, Doris W T Au, Chenyan Hu, Weipeng Zhang, Bingsheng Zhou, Lin Cai, John P Giesy, Pei-Yuan Qian
3,3'-Diindolylmethane (DIM) has been promoted as an effective chemopreventive and antifouling additive. However, the concurrent risks or side effects of DIM are not fully understood, especially on tissues responsive to estrogen. Therefore, this study employed marine medaka (Oryzias melastigma) as a test model to evaluate relative safety and explore mechanisms of toxic action of DIM on development and function of gonad after chronic (28days) aqueous exposure to relatively low doses (0μg/L or 8.5μg/L). Integration of comprehensive toxicogenomic analysis at the transcriptome and proteome levels with apical endpoints, such as production of eggs and swimming performance of larvae, elucidated the molecular linkage in gonad from bottom up along the reproductive adverse outcome pathway...
December 30, 2016: Aquatic Toxicology
https://www.readbyqxmd.com/read/28062603/combining-qualitative-and-quantitative-operational-research-methods-to-inform-quality-improvement-in-pathways-that-span-multiple-settings
#19
Sonya Crowe, Katherine Brown, Jenifer Tregay, Jo Wray, Rachel Knowles, Deborah A Ridout, Catherine Bull, Martin Utley
BACKGROUND: Improving integration and continuity of care across sectors within resource constraints is a priority in many health systems. Qualitative operational research methods of problem structuring have been used to address quality improvement in services involving multiple sectors but not in combination with quantitative operational research methods that enable targeting of interventions according to patient risk. We aimed to combine these methods to augment and inform an improvement initiative concerning infants with congenital heart disease (CHD) whose complex care pathway spans multiple sectors...
January 6, 2017: BMJ Quality & Safety
https://www.readbyqxmd.com/read/28061477/autocrine-vegf-signaling-promotes-cell-proliferation-through-a-plc-dependent-pathway-and-modulates-apatinib-treatment-efficacy-in-gastric-cancer
#20
Yi Lin, Ertao Zhai, Bing Liao, Lixia Xu, Xinhua Zhang, Sui Peng, Yulong He, Shirong Cai, Zhirong Zeng, Minhu Chen
BACKGROUND: Tumor cells produce vascular endothelial growth factor (VEGF) which interact with the membrane or cytoplasmic VEGF receptors (VEGFRs) to promote cell growth in an angiogenesis-independent fashion. Apatinib, a highly selective VEGFR2 inhibitor, is the only effective drug for patients with terminal gastric cancer (GC) who have no other chemotherapeutic options. However, its treatment efficacy is still controversy and the mechanism behind remains undetermined. In this study, we aimed to investigate the role of autocrine VEGF signaling in the growth of gastric cancer cells and the efficacy of Apatinib treatment...
January 3, 2017: Oncotarget
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