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https://www.readbyqxmd.com/read/28817678/family-based-exome-wide-association-study-of-childhood-acute-lymphoblastic-leukemia-among-hispanics-confirms-role-of-arid5b-in-susceptibility
#1
Natalie P Archer, Virginia Perez-Andreu, Ulrik Stoltze, Michael E Scheurer, Anna V Wilkinson, Ting-Nien Lin, Maoxiang Qian, Charnise Goodings, Michael D Swartz, Nalini Ranjit, Karen R Rabin, Erin C Peckham-Gregory, Sharon E Plon, Pedro A de Alarcon, Ryan C Zabriskie, Federico Antillon-Klussmann, Cesar R Najera, Jun J Yang, Philip J Lupo
We conducted an exome-wide association study of childhood acute lymphoblastic leukemia (ALL) among Hispanics to confirm and identify novel variants associated with disease risk in this population. We used a case-parent trio study design; unlike more commonly used case-control studies, this study design is ideal for avoiding issues with population stratification bias among this at-risk ethnic group. Using 710 individuals from 323 Guatemalan and US Hispanic families, two inherited SNPs in ARID5B reached genome-wide level significance: rs10821936, RR = 2...
2017: PloS One
https://www.readbyqxmd.com/read/28816442/characterization-of-primary-organic-aerosol-from-domestic-wood-peat-and-coal-burning-in-ireland
#2
Chunshui Lin, Darius Ceburnis, Stig Michael Hellebust, Paul Buckley, John Charles Wenger, Francesco Canonaco, Andre S H Prevot, Ru-Jin Huang, Colin O'Dowd, Jurgita Ovadnevaite
An Aerosol Chemical Speciation Monitor (ACSM) was deployed to study the primary non-refractory submicron particulate matter emissions from burning of commercially available solid fuels (peat, coal, and wood) typically used in European domestic fuel stoves. Organic mass spectra (MS) from burning wood, peat, and coal were characterized and inter-compared for factor analysis against ambient data. The reference profiles characterized in this study were used to estimate the contribution of solid fuel sources, along with oil combustion, to ambient pollution in Galway, Ireland using the multilinear engine (ME-2)...
August 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28814543/loss-of-dual-leucine-zipper-kinase-signaling-is-protective-in-animal-models-of-neurodegenerative-disease
#3
Claire E Le Pichon, William J Meilandt, Sara Dominguez, Hilda Solanoy, Han Lin, Hai Ngu, Alvin Gogineni, Arundhati Sengupta Ghosh, Zhiyu Jiang, Seung-Hye Lee, Janice Maloney, Vineela D Gandham, Christine D Pozniak, Bei Wang, Sebum Lee, Michael Siu, Snahel Patel, Zora Modrusan, Xingrong Liu, York Rudhard, Miriam Baca, Amy Gustafson, Josh Kaminker, Richard A D Carano, Eric J Huang, Oded Foreman, Robby Weimer, Kimberly Scearce-Levie, Joseph W Lewcock
Hallmarks of chronic neurodegenerative disease include progressive synaptic loss and neuronal cell death, yet the cellular pathways that underlie these processes remain largely undefined. We provide evidence that dual leucine zipper kinase (DLK) is an essential regulator of the progressive neurodegeneration that occurs in amyotrophic lateral sclerosis and Alzheimer's disease. We demonstrate that DLK/c-Jun N-terminal kinase signaling was increased in mouse models and human patients with these disorders and that genetic deletion of DLK protected against axon degeneration, neuronal loss, and functional decline in vivo...
August 16, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28814488/association-of-cardiovascular-disease-risk-factors-with-coronary-artery-calcium-volume-versus-density
#4
Isac C Thomas, Brandon Shiau, Julie O Denenberg, Robyn L McClelland, Philip Greenland, Ian H de Boer, Bryan R Kestenbaum, Gen-Min Lin, Michael Daniels, Nketi I Forbang, Dena E Rifkin, Jan Hughes-Austin, Matthew A Allison, J Jeffrey Carr, Joachim H Ix, Michael H Criqui
OBJECTIVES: Recently, the density score of coronary artery calcium (CAC) has been shown to be associated with a lower risk of cardiovascular disease (CVD) events at any level of CAC volume. Whether risk factors for CAC volume and CAC density are similar or distinct is unknown. We sought to evaluate the associations of CVD risk factors with CAC volume and CAC density scores. METHODS: Baseline measurements from 6814 participants free of clinical CVD were collected for the Multi-Ethnic Study of Atherosclerosis...
August 16, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28813679/the-tumor-suppressor-p53-limits-ferroptosis-by-blocking-dpp4-activity
#5
Yangchun Xie, Shan Zhu, Xinxin Song, Xiaofang Sun, Yong Fan, Jinbao Liu, Meizuo Zhong, Hua Yuan, Lin Zhang, Timothy R Billiar, Michael T Lotze, Herbert J Zeh, Rui Kang, Guido Kroemer, Daolin Tang
Ferroptosis is a form of regulated cell death that may facilitate the selective elimination of tumor cells. The tumor suppressor p53 (TP53) has been demonstrated to promote ferroptosis via a transcription-dependent mechanism. Here, we show that TP53 limits erastin-induced ferroptosis by blocking dipeptidyl-peptidase-4 (DPP4) activity in a transcription-independent manner. Loss of TP53 prevents nuclear accumulation of DPP4 and thus facilitates plasma-membrane-associated DPP4-dependent lipid peroxidation, which finally results in ferroptosis...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28809532/transient-and-local-expression-of-chemokine-and-immune-checkpoint-traps-to-treat-pancreatic-cancer
#6
Lei Miao, Jingjing Li, Qi Liu, Richard Feng, Manisit Das, C Michael Lin, Tyler J Goodwin, Oleksandra Dorosheva, Rihe Liu, Leaf Huang
Pancreatic tumor is known to be resistant to immunotherapy due to the extensive immune suppressive tumor microenvironment (TME). We hypothesized that CXCL12 and PD-L1 are two key molecules controlling the immunosuppressive TME. Fusion proteins, called traps, designed to bind with these two molecules with high affinity (Kd = 4.1 nM and 0.22 nM, respectively) were manufactured and tested for specific binding with the targets. Plasmid DNA encoding for each trap was formulated in nanoparticles and injected IV to mice bearing orthotopic pancreatic cancer...
August 15, 2017: ACS Nano
https://www.readbyqxmd.com/read/28806302/surgery-for-primary-hyperparathyroidism-adherence-to-consensus-guidelines-in-an-academic-health-system
#7
Eric J Kuo, Mostafa A Al-Alusi, Lin Du, Albert Shieh, Masha J Livhits, Angela M Leung, Michael W Yeh
OBJECTIVE: To determine the extent to which consensus guidelines for surgery in patients with primary hyperparathyroidism (PHPT) are followed within an academic health system. BACKGROUND: Previous studies have shown that adherence to consensus guidelines in community practice is low. METHODS: Adults with biochemically confirmed PHPT who received primary care within an academic health system were identified from 2005 to 2015. Multivariable logistic regression was used to analyze predictors of parathyroidectomy (PTx)...
August 11, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28805880/vacuum-filling-of-complex-microchannels-with-liquid-metal
#8
Yiliang Lin, Olivia Gordon, M Rashed Khan, Neyanel Vasquez, Jan Genzer, Michael D Dickey
This paper describes the utilization of vacuum to fill complex microchannels with liquid metal. Microchannels filled with liquid metal are useful as conductors for soft and stretchable electronics, as well as for microfluidic components such as electrodes, antennas, pumps, or heaters. Liquid metals are often injected manually into the inlet of a microchannel using a syringe. Injection can only occur if displaced air in the channels has a pathway to escape, which is usually accomplished using outlets. The positive pressure (relative to atmosphere) needed to inject fluids can also cause leaks or delamination of the channels during injection...
August 14, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28804683/erratum-leucine-nicotinic-acid-synergy-stimulates-ampk-sirt1-signaling-and-regulates-lipid-metabolism-and-lifespan-in-caenorhabditis-elegans-and-hyperlipidemia-and-atherosclerosis-in-mice
#9
Antje Bruckbauer, Jheelam Banerjee, Qiang Cao, Xin Cui, Jia Jing, Lin Zha, Fenfen Li, Bingzhong Xue, Hang Shi, Michael B Zemel
[This corrects the article on p. 33 in vol. 7, PMID: 28533928.].
2017: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/28803850/association-of-exposure-to-manganese-and-iron-with-striatal-and-thalamic-gaba-and-other-neurometabolites-neuroimaging-results-from-the-weldox-ii-study
#10
Swaantje Casjens, Urike Dydak, Shalmali Dharmadhikari, Anne Lotz, Martin Lehnert, Clara Quetscher, Christoph Stewig, Benjamin Glaubitz, Tobias Schmidt-Wilcke, David Edmondson, Chien-Lin Yeh, Tobias Weiss, Christoph van Thriel, Lennard Herrmann, Siegfried Muhlack, Dirk Woitalla, Michael Aschner, Thomas Brüning, Beate Pesch
OBJECTIVE: Magnetic resonance spectroscopy (MRS) is a non-invasive method to quantify neurometabolite concentrations in the brain. Within the framework of the WELDOX II study, we investigated the association of exposure to manganese (Mn) and iron (Fe) with γ-aminobutyric acid (GABA) and other neurometabolites in the striatum and thalamus of 154 men. MATERIAL AND METHODS: GABA-edited and short echo-time MRS at 3T was used to assess brain levels of GABA, glutamate, total creatine (tCr) and other neurometabolites...
August 10, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28801592/dietary-arginine-affects-the-insulin-signaling-pathway-glucose-metabolism-and-lipogenesis-in-juvenile-blunt-snout-bream-megalobrama-amblycephala
#11
Hualiang Liang, Habte-Michael Habte-Tsion, Xianping Ge, Mingchun Ren, Jun Xie, Linghong Miao, Qunlan Zhou, Yan Lin, Wenjing Pan
This study evaluated the mechanisms governing insulin resistance, glucose metabolism and lipogenesis in juvenile fish fed with graded levels of dietary arginine. The results showed that, compared with the control group (0.87%), 2.31% dietary arginine level resulted in the upregulation of the relative gene expression of IRS-1, PI3K and Akt in the insulin signaling pathway, while 2.70% dietary arginine level led to inhibition of these genes. 1.62% dietary arginine level upregulated glycolysis by increasing GK mRNA level; 2...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798061/exposure-to-air-pollution-and-tobacco-smoking-and-their-combined-effects-on-depression-in-six-low-and-middle-income-countries
#12
Hualiang Lin, Yanfei Guo, Paul Kowal, Collins O Airhihenbuwa, Qian Di, Yang Zheng, Xing Zhao, Michael G Vaughn, Steven Howard, Mario Schootman, Aaron Salinas-Rodriguez, Alfred E Yawson, Perianayagam Arokiasamy, Betty Soledad Manrique-Espinoza, Richard B Biritwum, Stephen P Rule, Nadia Minicuci, Nirmala Naidoo, Somnath Chatterji, Zhengmin Min Qian, Wenjun Ma, Fan Wu
BackgroundLittle is known about the joint mental health effects of air pollution and tobacco smoking in low- and middle-income countries.AimsTo investigate the effects of exposure to ambient fine particulate matter pollution (PM2.5) and smoking and their combined (interactive) effects on depression.MethodMultilevel logistic regression analysis of baseline data of a prospective cohort study (n=4l785). The 3-year average concentrations of PM2.5 were estimated using US National Aeronautics and Space Administration satellite data, and depression was diagnosed using a standardised questionnaire...
August 10, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28795562/axially-bound-ruthenium-phthalocyanine-monolayers-on-indium-tin-oxide-structure-energetics-and-charge-transfer-properties
#13
Ramanan Ehamparam, Luis E Oquendo, Michael W Liao, Ambjorn Karl Brynnel, Kai-Lin Ou, Neal R Armstrong, Dominic V McGrath, S Scott Saavedra
The efficiency of charge collection at the organic/transparent conducting oxide (TCO) interface in organic photovoltaic (OPV) devices affects overall device efficiency. Modifying the TCO with an electrochemically active molecule may enhance OPV efficiency by providing a charge-transfer pathway between the electrode and the organic active layer, and may also mitigate surface recombination. The synthesis and characterization of phosphonic acid-ruthenium phthalocyanine (RuPcPA) monolayer films on indium tin oxide (ITO), designed to facilitate charge harvesting at ITO electrodes, is presented in this work...
August 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28793854/complete-plastome-sequencing-of-both-living-species-of-circaeasteraceae-ranunculales-reveals-unusual-rearrangements-and-the-loss-of-the-ndh-gene-family
#14
Yanxia Sun, Michael J Moore, Nan Lin, Kole F Adelalu, Aiping Meng, Shuguang Jian, Linsen Yang, Jianqiang Li, Hengchang Wang
BACKGROUND: Among the 13 families of early-diverging eudicots, only Circaeasteraceae (Ranunculales), which consists of the two monotypic genera Circaeaster and Kingdonia, lacks a published complete plastome sequence. In addition, the phylogenetic position of Circaeasteraceae as sister to Lardizabalaceae has only been weakly or moderately supported in previous studies using smaller data sets. Moreover, previous plastome studies have documented a number of novel structural rearrangements among early-divergent eudicots...
August 9, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28793248/replicable-expansion-and-differentiation-of-neural-precursors-from-adult-canine-skin
#15
Thomas Duncan, Aileen Lowe, Kuldip Sidhu, Perminder Sachdev, Trevor Lewis, Ruby C Y Lin, Vladimir Sytnyk, Michael Valenzuela
Repopulation of brain circuits by neural precursors is a potential therapeutic strategy for neurodegenerative disorders; however, choice of cell is critical. Previously, we introduced a two-step culture system that generates a high yield of neural precursors from small samples of adult canine skin. Here, we probe their gene and protein expression profiles in comparison with dermal fibroblasts and brain-derived neural stem cells and characterize their neuronal potential. To date, we have produced >50 skin-derived neural precursor (SKN) lines...
August 8, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28790189/microrna-mediated-disruption-of-dendritogenesis-during-a-critical-period-of-development-influences-cognitive-capacity-later-in-life
#16
Quan Lin, Ravikumar Ponnusamy, Jocelyn Widagdo, Jung A Choi, Weihong Ge, Christine Probst, Tyler Buckley, Mimi Lou, Timothy W Bredy, Michael S Fanselow, Keqiang Ye, Yi E Sun
The prenatal period of cortical development is important for the establishment of neural circuitry and functional connectivity of the brain; however, the molecular mechanisms underlying this process remain unclear. Here we report that disruption of the actin-cytoskeletal network in the developing mouse prefrontal cortex alters dendritic morphogenesis and synapse formation, leading to enhanced formation of fear-related memory in adulthood. These effects are mediated by a brain-enriched microRNA, miR-9, through its negative regulation of diaphanous homologous protein 1 (Diap1), a key organizer of the actin cytoskeletal assembly...
August 8, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28782193/resident-responses-to-after-hours-otolaryngology-patient-phone-calls-an-overlooked-aspect-of-residency-training
#17
Ashton E Lehmann, Elliott D Kozin, Rosh K V Sethi, Kevin Wong, Brian M Lin, Stacey T Gray, Michael J Cunningham
OBJECTIVES/HYPOTHESIS: Otolaryngology residents are often responsible for triaging after-hours patient calls. However, residents receive little training on this topic. Data are limited on the clinical content, reporting, and management of otolaryngology patient calls. This study aimed to characterize the patient concerns residents handle by phone and their subsequent management and reporting. STUDY DESIGN: Retrospective review. METHODS: Five hundred consecutive after-hours patient calls in a tertiary pediatric hospital were reviewed...
August 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28777223/ocular-gossypiboma-ultrasound-b-scan-assessment-of-retained-surgical-sponge-after-ahmed-valve-surgery-a-case-report
#18
Kelly Babic, Christine Siguan-Bell, Michael Hee, Shan C Lin
PURPOSE OF THE STUDY: To present the first documented case of an ocular gossypiboma (retained foreign body) of a mitomycin-C-soaked sponge confirmed echographically using diagnostic ultrasound B-scan after Ahmed valve surgery. PATIENTS AND METHODS: A patient who underwent phacoemulsification with Ahmed valve implantation surgery had a retained Weck-Cels sponge soaked with mitomycin-C. With the use of ocular ultrasound B-scan, the retained sponge was localized and a second procedure was performed to explant it...
August 2, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28777093/expression-and-crystallographic-studies-of-the-d1d2-domains-of-c4-4a-a-homologous-protein-to-the-urokinase-receptor
#19
Shanli Chen, Lin Lin, Cai Yuan, Henrik Gårdsvoll, Mette C Kriegbaum, Michael Ploug, Mingdong Huang
C4.4A is a glycosylphosphatidylinositol-anchored membrane protein comprised of two LU domains (Ly6/uPAR-like domains) and an extensively O-glycosylated C-terminal Ser/Thr/Pro-rich region. C4.4A is a novel biomarker for squamous epithelial differentiation. Its expression is dysregulated under various pathological conditions and it is a robust biomarker for poor prognosis in various malignant conditions such as pulmonary adenocarcinoma. To facilitate crystallization, the two LU domains were excised from intact C4...
August 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/28772229/mkit-a-cell-migration-assay-based-on-microfluidic-device-and-smartphone
#20
Ke Yang, Jiandong Wu, Hagit Peretz-Soroka, Ling Zhu, Zhigang Li, Yaoshuo Sang, Jolly Hipolito, Michael Zhang, Susy Santos, Craig Hillier, Ricardo Lobato de Faria, Yong Liu, Francis Lin
Mobile sensing based on the integration of microfluidic device and smartphone, so-called MS(2) technology, has enabled many applications over recent years, and continues to stimulate growing interest in both research communities and industries. In particular, it has been envisioned that MS(2) technology can be developed for various cell functional assays to enable basic research and clinical applications. Toward this direction, in this paper, we describe the development of a MS(2)-based cell functional assay for testing cell migration (the Mkit)...
July 27, 2017: Biosensors & Bioelectronics
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