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https://www.readbyqxmd.com/read/27915478/targeting-the-phosphatidylinositol-3-kinase-pathway-in-gastric-cancer-can-omics-improve-outcomes
#1
REVIEW
Phu Tran, Cham Nguyen, Samuel J Klempner
Phosphatidylinositol-3-kinase (PI3K) pathway signaling is an established oncogenic signal transduction pathway implicated in multiple malignancies. Therapeutic targeting of PI3K pathway components has improved outcomes in chronic lymphocytic leukemia, kidney cancer, breast cancer, and neuroendocrine tumors. Gastric cancers harbor some of the highest rates of oncogenic alterations in PI3K but attempts to translate this genomic observation have met with limited clinical success and novel approaches are needed...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915413/resource-partitioning-by-evergreen-and-deciduous-species-in-a-tropical-dry-forest
#2
Juan C Álvarez-Yépiz, Alberto Búrquez, Angelina Martínez-Yrízar, Mark Teece, Enrico A Yépez, Martin Dovciak
Niche differentiation can lead to coexistence of plant species by partitioning limiting resources. Light partitioning promotes niche differentiation in tropical humid forests, but it is unclear how niche partitioning occurs in tropical dry forests where both light and soil resources can be limiting. We studied the adult niche of four dominant evergreen (cycad, palm) and drought-deciduous (legume, oak) species co-occurring along environmental gradients. We analyzed light intensity and soil fertility effects on key functional traits related to plant carbon and water economy, how these traits determine species' functional strategies, and how these strategies relate to relative species abundance and spatial patterns...
December 3, 2016: Oecologia
https://www.readbyqxmd.com/read/27915369/at-line-validation-of-a-process-analytical-technology-approach-for-quality-control-of-melamine-urea-formaldehyde-resin-in-composite-wood-panel-production-using-near-infrared-spectroscopy
#3
Roger Meder, Wolfgang Stahl, Paul Warburton, Sam Woolley, Scott Earnshaw, Klaus Haselhofer, Ken van Langenberg, Nick Ebdon, Roger Mulder
The reactivity of melamine-urea-formaldehyde resins is of key importance in the manufacture of engineered wood products such as medium density fibreboard (MDF) and other wood composite products. Often the MDF manufacturing plant has little available information on the resin reactivity other than details of the resin specification at the time of batch manufacture, which often occurs off-site at a third-party resin plant. Often too, fresh resin on delivery at the MDF plant is mixed with variable volume of aged resin in storage tanks, thereby rendering any specification of the fresh resin batch obsolete...
December 3, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27915340/2q33-1q34-deletion-in-a-girl-with-brain-anomalies-and-anorectal-malformation
#4
Luisa Ronzoni, Antonio Novelli, Giulia Brisighelli, Angela Peron, Fabio Triulzi, Vera Bianchi, Ernesto Leva, Maria F Bedeschi
2q33 deletions are considered to constitute a distinct clinical entity (Glass syndrome or 2q33 microdeletion syndrome) with a characteristic phenotype. Most patients have moderate to severe developmental delay, speech delay, a particular behavioural phenotype, feeding problems, growth restriction, a typical facial appearance, thin and sparse hair, tooth abnormalities, and skeletal anomalies. Here, we report on a patient with a 2q33.1q34 deletion spanning 8.3 Mb of genomic DNA. Although her clinical features are very reminiscent of the 2q33 microdeletion syndrome, she also presented with brain and anorectal malformations...
December 3, 2016: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/27915329/acute-kidney-injury-risk-assessment-and-the-nephrology-rapid-response-team
#5
Lilia Maria Rizo-Topete, Mitchell H Rosner, Claudio Ronco
Acute kidney Injury (AKI) is a serious medical condition affecting more than 10 million people around the world annually and resulting in poor outcomes. It has been suggested that late recognition of the syndrome may lead to delayed interventions with increased morbidity and mortality. Early diagnosis and timely therapeutic strategies may be the cornerstone of future improvement in outcomes. The purpose of this article is to provide a practical model to identify patients at high risk for AKI in different environments, with the goal to prevent AKI...
December 3, 2016: Blood Purification
https://www.readbyqxmd.com/read/27915321/anti-vascular-endothelial-growth-factor-preparations-in-the-treatment-of-retinopathy-of-prematurity-balancing-risks-and-benefits
#6
Deepak Chawla, Brian A Darlow
NEED AND PURPOSE OF REVIEW: The standard of management of severe retinopathy of prematurity (ROP) is laser ablation of the peripheral retina. Intra-vitreal injection of anti- vascular endothelial growth factor antibodies has emerged as an alternative modality of treatment of ROP. The purpose of this review is to evaluate the current evidence on benefits and risks of using anti-VEGF antibodies for management of ROP. METHODS: PubMed and Cochrane Register of Clinical Trials were searched for studies evaluating role of anti-VEGF agents in ROP...
November 7, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27915314/programs-for-detecting-and-treating-retinopathy-of-prematurity-role-of-the-neonatal-team
#7
Sudhanshu Grover, Deeksha Katoch, Mangat R Dogra, Praveen Kumar
High quality perinatal-neonatal care can prevent severe Retinopathy of Prematurity (ROP) in most cases. Preterm infants who do develop retinopathy can also have good visual outcomes if screening and treatment are done timely. National Neonatology Forum published clinical practice guidelines for timely screening and treatment of ROP in neonatal care units in the country in 2010. It is also listed as one of the condition under Rashtriya Bal Swasthya Karyakram for early identification and early intervention, and is currently a focus area under the National Program for Control of Blindness...
November 7, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27915225/development-of-a-novel-virtual-reality-gait-intervention
#8
Anna E Boone, Matthew H Foreman, Jack R Engsberg
INTRODUCTION: Improving gait speed and kinematics can be a time consuming and tiresome process. We hypothesize that incorporating virtual reality videogame play into variable improvement goals will improve levels of enjoyment and motivation and lead to improved gait performance. PURPOSE: To develop a feasible, engaging, VR gait intervention for improving gait variables. METHODS: Completing this investigation involved four steps: 1) identify gait variables that could be manipulated to improve gait speed and kinematics using the Microsoft Kinect and free software, 2) identify free internet videogames that could successfully manipulate the chosen gait variables, 3) experimentally evaluate the ability of the videogames and software to manipulate the gait variables, and 4) evaluate the enjoyment and motivation from a small sample of persons without disability...
November 14, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27915166/-i-can-t-accept-that-feeling-relationships-between-interoceptive-awareness-mindfulness-and-eating-disorder-symptoms-in-females-with-and-at-risk-of-an-eating-disorder
#9
Paul Lattimore, Bethan R Mead, Leanne Irwin, Lorna Grice, Ruth Carson, Peter Malinowski
Mindfulness based therapies (MBTs) for eating disorders show potential benefit for outcomes yet evidence is scarce regarding the mechanisms by which they influence remission from symptoms. One way that mindfulness approaches create positive outcomes is through enhancement of emotion regulation skills. Maladaptive emotion regulation is a key psychological feature of all eating disorders. The aim of the current study was to identify facets of emotion regulation involved in the relationship between mindfulness and maladaptive eating behaviours...
November 16, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27915153/room-temperature-structure-of-human-igg4-fc-from-crystals-analysed-in-situ
#10
Anna M Davies, Theo Rispens, Pleuni Ooijevaar-de Heer, Rob C Aalberse, Brian J Sutton
The Fc region of IgG antibodies (Cγ2 and Cγ3 domains) is responsible for effector functions such as antibody-dependent cell-mediated cytotoxicity and phagocytosis, through engagement with Fcγ receptors, although the ability to elicit these functions differs between the four human IgG subclasses. A key determinant of Fcγ receptor interactions is the FG loop in the Cγ2 domain. High resolution cryogenic IgG4-Fc crystal structures have revealed a unique conformation for this loop, which could contribute to the particular biological properties of this subclass...
December 1, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27915149/trans-and-paracellular-calcium-transport-along-the-small-and-large-intestine-in-horses
#11
M R Wilkens, L Marholt, N Eigendorf, A S Muscher-Banse, K Feige, B Schröder, G Breves, A Cehak
Intestinal calcium absorption plays a key role in the maintenance of calcium homeostasis and may either occur by paracellular or transcellular mechanisms. The horse has some unique peculiarities in calcium homeostasis compared to other species including a high absorptive capacity for calcium in the intestine, high plasma calcium concentrations, high renal excretion, and low plasma concentrations of vitamin D metabolites. So far, knowledge about the underlying mechanisms and the regulation of intestinal calcium absorption is still limited concerning this species...
November 30, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/27915139/impairment-of-fetal-hematopoietic-stem-cell-function-in-the-absence-of-fancd2
#12
Sakiko Suzuki, Ronny R Racine, Nathan A Manalo, Sharon B Cantor, Glen D Raffel
Fanconi Anemia (FA), results from mutations in genes necessary for DNA damage repair and often leads to progressive bone marrow failure. Although the exhaustion of the bone marrow leads to cytopenias in FA patients as they age, evidence from human FA and mouse model fetal livers suggests hematopoietic defects originate in utero which may lead to deficient seeding of the bone marrow. To address this possibility, we examined the consequences of loss of Fancd2, a central component of the FA pathway. Examination of E14...
November 30, 2016: Experimental Hematology
https://www.readbyqxmd.com/read/27915131/the-efficacy-and-safety-comparison-between-tenofovir-and-entecavir-in-treatment-of-chronic-hepatitis-b-and-hbv-related-cirrhosis-a-systematic-review-and-meta-analysis
#13
Ying Han, Ajuan Zeng, Huiyu Liao, Yanmin Liu, Yuhan Chen, Huiguo Ding
BACKGROUND: The purpose of this study was to assess the efficacy and safety between tenofovir and entecavir in the treatment of CHB and HBV related cirrhosis through Meta-analysis. Methods The electronic databases of PubMed, the Cochrane Library, Nature, CNKI and WanFang data were searched. The key words were: ("tenofovir", "entecavir") and ("Chronic Hepatitis B" or "CHB") and "Liver cirrhosis". Heterogeneity and report bias were analyzed. RESULTS: There was significant difference of ALT norm level in the short-term period of 3months (RR=1...
December 1, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27915121/predicting-individual-brain-functional-connectivity-using-a-bayesian-hierarchical-model
#14
Tian Dai, Ying Guo
Network-oriented analysis of functional magnetic resonance imaging (fMRI), especially resting-state fMRI, has revealed important association between abnormal connectivity and brain disorders such as schizophrenia, major depression and Alzheimer's disease. Imaging-based brain connectivity measures have become a useful tool for investigating the pathophysiology, progression and treatment response of psychiatric disorders and neurodegenerative diseases. Recent studies have started to explore the possibility of using functional neuroimaging to help predict disease progression and guide treatment selection for individual patients...
November 30, 2016: NeuroImage
https://www.readbyqxmd.com/read/27915117/from-intentions-to-actions-neural-oscillations-encode-motor-processes-through-phase-amplitude-and-phase-amplitude-coupling
#15
Etienne Combrisson, Marcela Perrone-Bertolotti, Juan Lp Soto, Golnoush Alamian, Philippe Kahane, Jean-Philippe Lachaux, Aymeric Guillot, Karim Jerbi
Goal-directed motor behavior is associated with changes in patterns of rhythmic neuronal activity across widely distributed brain areas. In particular, movement initiation and execution are mediated by patterns of synchronization and desynchronization that occur concurrently across distinct frequency bands and across multiple motor cortical areas. To date, motor-related local oscillatory modulations have been predominantly examined by quantifying increases or suppressions in spectral power. However, beyond signal power, spectral properties such as phase and phase-amplitude coupling (PAC) have also been shown to carry information with regards to the oscillatory dynamics underlying motor processes...
November 30, 2016: NeuroImage
https://www.readbyqxmd.com/read/27915100/synergistic-effect-of-biogenic-fe-3-coupled-to-s%C3%A2-oxidation-on-simultaneous-bioleaching-of-cu-co-zn-and-as-from-hazardous-pyrite-ash-waste
#16
Sandeep Panda, Ata Akcil, Srabani Mishra, Ceren Erust
Pyrite ash, a waste by-product formed during roasting of pyrite ores, is a good source of valuable metals. The waste is associated with several environmental issues due to its dumping in sea and/or land filling. Although several other management practices are available for its utilization, the waste still awaits and calls for an eco-friendly biotechnological application for metal recovery. In the present study, chemolithotrophic meso-acidophilic iron and sulphur oxidisers were evaluated for the first time towards simultaneous mutli-metal recovery from pyrite ash...
November 19, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27915093/discoidin-domain-receptor-1-kinase-activity-is-required-for-regulating-collagen-iv-synthesis
#17
Corina M Borza, Yan Su, Truc-Linh Tran, Ling Yu, Nick Steyns, Kayla J Temple, Marcin J Skwark, Jens Meiler, Craig W Lindsley, Brennan R Hicks, Birgit Leitinger, Roy Zent, Ambra Pozzi
Discoidin domain receptor 1 (DDR1) is a receptor tyrosine kinase that binds to and is activated by collagens. DDR1 expression increases following kidney injury and accumulating evidence suggests that it contributes to the progression of injury. To this end, deletion of DDR1 is beneficial in ameliorating kidney injury induced by angiotensin infusion, unilateral ureteral obstruction, or nephrotoxic nephritis. Most of the beneficial effects observed in the DDR1-null mice are attributed to reduced inflammatory cell infiltration to the site of injury, suggesting that DDR1 plays a pro-inflammatory effect...
November 30, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/27915092/acupuncture-ameliorates-inflammatory-response-in-a-chronic-unpredictable-stress-rat-model-of-depression
#18
Jun Lu, Run-Hui Shao, Shu-Ying Jin, Li Hu, Ya Tu, Jian-You Guo
Depression is one of the most common psychiatric disorders. Chronic inflammatory response has been viewed as a key factor in depression. Acupuncture in Chinese medicine has been shown to be an effective treatment for depression. In the present study, we investigated the mechanism underlying antidepressant effect of acupuncture. The rats were subjected to chronic unpredictable mild stress (CUMS) for 28days to induce depressive-like behaviors. Acupuncture treatment was applied once every other day during the 28-day stress period...
November 30, 2016: Brain Research Bulletin
https://www.readbyqxmd.com/read/27915088/exploring-awareness-and-help-seeking-intentions-for-testicular-symptoms-among-heterosexual-gay-and-bisexual-men-in-ireland-a-qualitative-descriptive-study
#19
Mohamad M Saab, Margaret Landers, Josephine Hegarty
BACKGROUND: The incidence of malignant and benign testicular disorders among young men is on the rise. Evidence from three reviews suggest that men's knowledge of these disorders is lacking and their help-seeking intention for testicular symptoms is suboptimal. Qualitative studies have addressed men's awareness of testicular cancer, with none exploring their awareness of non-malignant diseases such as epididymitis, testicular torsion, and varicocele and none including sexual minorities...
November 28, 2016: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/27915041/garlic-active-constituent-s-allyl-cysteine-protects-against-lipopolysaccharide-induced-cognitive-deficits-in-the-rat-possible-involved-mechanisms
#20
Mahboubeh Zarezadeh, Tourandokht Baluchnejadmojarad, Zahra Kiasalari, Siamak Afshin-Majd, Mehrdad Roghani
Neuroinflammation is known as a risk factor for cognitive deficit and dementia and its incidence increased with aging. S-allyl cysteine (SAC) is the active and main component of aged garlic extract with anti-inflammatory, neuroprotective, and nootropic potential. In this study, the protective effect of SAC against lipopolysaccharide (LPS)-induced cognitive deficit in the rat was investigated. For induction of learning and memory impairment and neuroinflammation, LPS was intraperitoneally injected at a dose of 167 μg/kg for 7 days and SAC was administered p...
November 30, 2016: European Journal of Pharmacology
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