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https://www.readbyqxmd.com/read/29156779/selecting-lncrnas-in-gastric-cancer-cells-for-directed-therapy-with-bioactive-peptides-and-chemotherapy-drugs
#1
Wenyan Han, Rui Xiao, Chuanling Zhang, Qimuge Suyila, Xian Li, Xiulan Su
Selecting lncRNAs for directed therapy with bioactive peptides and chemotherapy drugs may be an effective approach to treating gastric cancer (GC). We show genome-scale identification and characterization of differentially expressed lncRNAs in GC cells treated with a novel anti-cancer bioactive peptide (ACBP) and the chemotherapy drug oxaliplatin (ASLB). A total of 17,897 lncRNAs were identified through pairwise comparison, including 2,074 novel lncRNAs. Of those, 1,386 lncRNAs were differentially expressed (over 1...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156684/a-prenatal-interruption-of-disc1-function-in-the-brain-exhibits-a-lasting-impact-on-adult-behaviors-brain-metabolism-and-interneuron-development
#2
Dazhi Deng, Chongdong Jian, Ling Lei, Yijing Zhou, Colleen McSweeney, Fengping Dong, Yilun Shen, Donghua Zou, Yonggang Wang, Yuan Wu, Limin Zhang, Yingwei Mao
Mental illnesses like schizophrenia (SCZ) and major depression disorder (MDD) are devastating brain disorders. The SCZ risk gene, disrupted in schizophrenia 1 (DISC1), has been associated with neuropsychiatric conditions. However, little is known regarding the long-lasting impacts on brain metabolism and behavioral outcomes from genetic insults on fetal NPCs during early life. We have established a new mouse model that specifically interrupts DISC1 functions in NPCs in vivo by a dominant-negative DISC1 (DN-DISC1) with a precise temporal and spatial regulation...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156644/akt1-stimulates-homologous-recombination-repair-of-dna-double-strand-breaks-in-a-rad51-dependent-manner
#3
Katharina Mueck, Simone Rebholz, Mozhgan Dehghan Harati, H Peter Rodemann, Mahmoud Toulany
Akt1 is known to promote non-homologous end-joining (NHEJ)-mediated DNA double-strand break (DSB) repair by stimulation of DNA-PKcs. In the present study, we investigated the effect of Akt1 on homologous recombination (HR)-dependent repair of radiation-induced DSBs in non-small cell lung cancer (NSCLC) cells A549 and H460. Akt1-knockdown (Akt1-KD) significantly reduced Rad51 protein level, Rad51 foci formation and its colocalization with γH2AX foci after irradiation. Moreover, Akt1-KD decreased clonogenicity after treatment with Mitomycin C and HR repair, as tested by an HR-reporter assay...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156629/reconstruction-of-craniomaxillofacial-bone-defects-using-tissue-engineering-strategies-with-injectable-and-non-injectable-scaffolds
#4
REVIEW
Bipin Gaihre, Suren Uswatta, Ambalangodage C Jayasuriya
Engineering craniofacial bone tissues is challenging due to their complex structures. Current standard autografts and allografts have many drawbacks for craniofacial bone tissue reconstruction; including donor site morbidity and the ability to reinstate the aesthetic characteristics of the host tissue. To overcome these problems; tissue engineering and regenerative medicine strategies have been developed as a potential way to reconstruct damaged bone tissue. Different types of new biomaterials; including natural polymers; synthetic polymers and bioceramics; have emerged to treat these damaged craniofacial bone tissues in the form of injectable and non-injectable scaffolds; which are examined in this review...
November 20, 2017: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29156566/cgas-sting-pathway-in-cancer-jekyll-and-hyde-story-of-cancer-immune-response
#5
REVIEW
Debojit Bose
The last two decades have witnessed enormous growth in the field of cancer immunity. Mechanistic insights of cancer immunoediting have not only enhanced our understanding but also paved the way to target and/or harness the innate immune system to combat cancer, called cancer immunotherapy. Cyclic GMP-AMP synthase (cGAS)/Stimulator of interferon genes(STING) pathway has recently emerged as nodal player in cancer immunity and is currently being explored as potential therapeutic target. Although therapeutic activation of this pathway has shown promising anti-tumor effects in vivo, evidence also indicates the role of this pathway in inflammation mediated carcinogenesis...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156545/ultrasonographic-evaluation-of-botulinum-toxin-injection-site-for-the-medial-approach-to-tibialis-posterior-muscle-in-chronic-stroke-patients-with-spastic-equinovarus-foot-an-observational-study
#6
Alessandro Picelli, Alessio Baricich, Elena Chemello, Nicola Smania, Carlo Cisari, Marialuisa Gandolfi, Nicoletta Cinone, Maurizio Ranieri, Andrea Santamato
The tibialis posterior muscle is a frequent target for injection of botulinum toxin during the management of spastic equinovarus foot in adults with post-stroke spasticity. Although it is deep-seated, the needle insertion into the tibialis posterior muscle is usually performed using anatomical landmarks and safety information obtained from healthy subjects and cadavers. Our aim was to evaluate the botulinum toxin injection site for the medial approach to the tibialis posterior muscle in chronic stroke patients with spastic equinovarus foot...
November 18, 2017: Toxins
https://www.readbyqxmd.com/read/29156543/efficiency-of-true-green-light-emitting-diodes-non-uniformity-and-temperature-effects
#7
Ilya E Titkov, Sergey Yu Karpov, Amit Yadav, Denis Mamedov, Vera L Zerova, Edik Rafailov
External quantum efficiency of industrial-grade green InGaN light-emitting diodes (LEDs) has been measured in a wide range of operating currents at various temperatures from 13 K to 300 K. Unlike blue LEDs, the efficiency as a function of current is found to have a multi-peak character, which could not be fitted by a simple ABC-model. This observation correlated with splitting of LED emission spectra into two peaks at certain currents. The characterization data are interpreted in terms of non-uniformity of the LED active region, which is tentatively attributed to extended defects like V-pits...
November 18, 2017: Materials
https://www.readbyqxmd.com/read/29156465/-pseudophacic-additive-lenses
#8
Fritz H Hengerer, Ina Conrad-Hengerer
Implantation of artificial intraocular lenses (IOL) after cataract removal today represents the standard of care in the field of anterior segment surgery. In refractive lens exchange cases the natural lens is replaced by an IOL to correct different types of refractive situations. In the majority of the operations the refractive result is satisfying with only few deviations from target refraction.But daily practice reveals some outliers from the intended corrections with the need for further refractive enhancements, respectively...
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29156443/ensuring-quality-pharmacokinetic-analyses-in-antimicrobial-drug-development-programs
#9
REVIEW
Elizabeth A Lakota, Justin C Bader, Christopher M Rubino
Pharmacokinetic studies and analyses can be expensive, time consuming, and labor intensive. However, it is crucial to understand that much of what happens in antimicrobial drug development, such as dose-selection and clinical study design, can be optimized with a strong understanding of the underlying pharmacokinetics of an agent. In this way, pharmacokinetics forms the bedrock of a pharmacometric approach to antimicrobial development. Thus, pharmacokinetic analyses must be considered an integral part of a drug's development strategy and studies must be planned and designed accordingly...
November 17, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29156435/more-than-a-to-b-understanding-and-managing-visitor-spatial-behaviour-in-urban-forests-using-public-participation-gis
#10
Silviya Korpilo, Tarmo Virtanen, Tiina Saukkonen, Susanna Lehvävirta
Planning and management needs up-to-date, easily-obtainable and accurate information on the spatial and social aspects of visitor behaviour in order to balance human use and impacts, and protection of natural resources in public parks. We used a web-based public participation GIS (PPGIS) approach to gather citizen data on visitor behaviour in Helsinki's Central Park in order to aid collaborative spatial decision-making. The study combined smartphone GPS tracking, route drawing and a questionnaire to examine differences between user groups in their use of formal trails, off-trail behaviour and the motivations that affect it...
November 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29156311/impacts-from-urban-water-systems-on-receiving-waters-how-to-account-for-severe-wet-weather-events-in-lca
#11
Eva Risch, Johnny Gasperi, Marie-Christine Gromaire, Ghassan Chebbo, Sam Azimi, Vincent Rocher, Philippe Roux, Ralph K Rosenbaum, Carole Sinfort
Sewage systems are a vital part of the urban infrastructure in most cities. They provide drainage, which protects public health, prevents the flooding of property and protects the water environment around urban areas. On some occasions sewers will overflow into the water environment during heavy rain potentially causing unacceptable impacts from releases of untreated sewage into the environment. In typical Life Cycle Assessment (LCA) studies of urban wastewater systems (UWS), average dry-weather conditions are modelled while wet-weather flows from UWS, presenting a high temporal variability, are not currently accounted for...
October 23, 2017: Water Research
https://www.readbyqxmd.com/read/29156283/opportunities-and-challenges-of-applications-of-satellite-derived-sun-induced-fluorescence-at-relatively-high-spatial-resolution
#12
Xinchen Lu, Xiao Cheng, Xianglan Li, Jianwu Tang
Estimating gross primary production (GPP) regionally and globally remains challenging despite its primary role in driving ecosystem productivity and carbon cycling. Recently, satellite-derived sun-induced fluorescence (SIF) provides an alternative approach to investigate GPP from space. However, our ability to apply SIF to estimating GPP at large scales is still lacking, primarily because the SIF-GPP relationships at various spatial and temporal scales are not fully understood. The coarse spatial representativeness (around 0...
November 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29156233/trans-cervical-resection-of-a-separate-substernal-goitre
#13
Henry To, Antara Karmakar, Stephen Farrell, Steve Manolas
INTRODUCTION: A separate substernal goitre which is not continuous with the main cervical thyroid proves a unique challenge for resection. A trans-cervical approach is preferred but may be hazardous due to the possibility of ectopic thyroid tissue with alternate blood supply. PRESENTATION OF CASE: A 72year old female who had a previous left hemithyroidectomy presents with a symptomatic central substernal thyroid mass. Following radiological work-up, the separate goitre was carefully removed via a trans-cervical approach and avoidance of sternotomy...
November 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29156206/cytokine-release-syndrome-who-is-at-risk-and-how-to-treat
#14
REVIEW
Noelle Frey
T-cell engaging therapies such as blinatumomab and anti-CD19 chimeric antigen receptor (CAR) T cells have revolutionized our approach to patients with relapsed and refractory acute lymphoblastic leukemia (ALL). However, the immune activation responsible for high remission rates is also responsible for the unique treatment-related toxicity of cytokine release syndrome (CRS). The clinical signs of CRS include fever, hemodynamic instability, and capillary leak, which correlate with T-cell activation and elevated cytokine levels...
December 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29156180/the-role-of-behavioral-medicine-in-the-treatment-of-obesity-in-primary-care
#15
REVIEW
Scott Kahan, Dawn K Wilson, Allison M Sweeney
Behavioral medicine provides a framework for supporting patients to achieve changes in target health behaviors, such as dietary and physical activity changes. Behavioral medicine fits alongside traditional medical treatments, can minimize the need for more intensive medical treatments, improves outcomes of these treatments, and improves adherence to medication prescriptions or postsurgical recommendations. This article provides an overview of behavioral medicine counseling for obesity in primary care, rooted in the "5 As" approach to health behavior change, and the basic outline of behavioral skills interventions in which health care providers use self-regulatory and behavioral strategies to improve health-related behaviors among patients with obesity...
January 2018: Medical Clinics of North America
https://www.readbyqxmd.com/read/29156145/fractional-flow-reserve-estimated-at-coronary-ct-angiography-in-intermediate-lesions-comparison-of-diagnostic-accuracy-of-different-methods-to-determine-coronary-flow-distribution
#16
Satoru Kishi, Andreas A Giannopoulos, Anji Tang, Nahoko Kato, Yiannis S Chatzizisis, Carole Dennie, Yu Horiuchi, Kengo Tanabe, João A C Lima, Frank J Rybicki, Dimitris Mitsouras
Purpose To compare the diagnostic accuracy of different computed tomographic (CT) fractional flow reserve (FFR) algorithms for vessels with intermediate stenosis. Materials and Methods This cross-sectional HIPAA-compliant and human research committee-approved study applied a four-step CT FFR algorithm in 61 patients (mean age, 69 years ± 10; age range, 29-89 years) with a lesion of intermediate-diameter stenosis (25%-69%) at CT angiography who underwent FFR measurement within 90 days. The per-lesion diagnostic performance of CT FFR was tested for three different approaches to estimate blood flow distribution for CT FFR calculation...
November 20, 2017: Radiology
https://www.readbyqxmd.com/read/29156140/automated-training-of-reaxff-reactive-force-fields-for-energetics-of-enzymatic-reactions
#17
Tomáš Trnka, Igor Tvaroska, Jaroslav Koca
Computational studies of the reaction mechanisms of various enzymes are nowadays based almost exclusively on hybrid QM/MM models. Unfortunately, the success of this approach strongly depends on the selection of the QM region, and computational cost is a crucial limiting factor. An interesting alternative is offered by empirical reactive molecular force fields, especially the ReaxFF potential developed by van Duin and co-workers. However, even though an initial parameterization of ReaxFF for biomolecules already exists, it does not provide the desired level of accuracy...
November 20, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/29156137/biologically-consistent-annotation-of-metabolomics-data
#18
Nicholas Alden, Smitha Krishnan, Vladimir Porokhin, Ravali Raju, Kyle McElearney, Alan Gilbert, Kyongbum Lee
Annotation of metabolites remains a major challenge in liquid chromatography-mass spectrometry (LC-MS) based untargeted metabolomics. The current gold standard for metabolite identification is to match the detected feature with an authentic standard analyzed on the same equipment and using the same method as the experimental samples. However, there are substantial practical challenges in applying this approach to large datasets. One widely used annotation approach is to search spectral libraries in reference databases for matching metabolites; however, this approach is limited by the incomplete coverage of these libraries...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29156112/using-leadership-competencies-to-develop-talents-into-strengths
#19
Corey Seemiller
This chapter describes how to use a leadership competency approach to help students develop their five signature themes from the Clifton StrengthsFinder assessment into strengths.
December 2017: New Directions for Student Leadership
https://www.readbyqxmd.com/read/29156013/a-novel-strategy-to-initiate-a-peroral-endoscopic-myotomy-program
#20
J Matthew Reinersman, Dennis A Wigle, Christopher J Gostout, Louis M Wong Kee Song, Shanda H Blackmon
OBJECTIVES: The standard of care for achalasia remains laparoscopic Heller myotomy with partial fundoplication. Peroral endoscopic myotomy (POEM) has been introduced as an alternative, but safety and long-term comparative efficacy are not yet established. We report our experience in developing a POEM program using a novel hybrid approach. METHODS: We developed a hybrid approach to POEM with a POEM followed by laparoscopic evaluation, extension of the myotomy, if necessary, and partial fundoplication...
October 1, 2017: European Journal of Cardio-thoracic Surgery
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