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https://www.readbyqxmd.com/read/28914683/primum-non-nocere-and-the-5-rights
#1
Gabriele Popp, Dick Clarke, Stephen Rothstein
Overutilization of hyperbaric oxygen therapy (HBOT) is commonplace and primarily associated with outpatient wound care. While the number of hospitals providing HBOT is at an all-time high, the number of those willing to treat patients in immediate need is at an all-time low. Huge areas of the country, including major population areas, are now completely devoid of 24/7 HBOT availability and inpatient access. Purchasers of healthcare, including the Centers for Medicare and Medicaid Services, have become increasingly concerned to the point that several strategies have been introduced to constructively deal with this issue...
October 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28913536/isoreticular-expansion-of-polymofs-achieves-high-surface-area-materials
#2
Giulia E M Schukraft, Sergio Ayala, Benjamin L Dick, Seth M Cohen
The concept of isoreticular chemistry has become a core principle in metal-organic framework (MOF) materials. Isoreticular chemistry has shown that organic ligands of different sizes, but with a common geometry/symmetry can be used to generate MOFs of related topologies, but with expanded pore sizes and volumes. In this report, polymer-MOF hybrid materials (polyMOFs) with a UiO (UiO = University of Oslo) architecture are shown to adhere to the principle of isoreticular expansion, generating polyMOFs with large surface areas and enhanced stability...
September 15, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28910595/a-method-for-evaluating-physical-activity-programs-in-schools
#3
Cheryl Kelly, Dick Carpenter, Elizabeth Tucker, Carmen Luna, John Donovan, Timothy K Behrens
Providing opportunities for students to be physically active during the school day leads to increased academic performance, better focus, and fewer behavioral problems. As schools begin to incorporate more physical activity programming into the school day, evaluators need methods to measure how much physical activity students are being offered through this programming. Because classroom-based physical activity is often offered in 3-minute to 5-minute bouts at various times of the day, depending on the teachers' time to incorporate it, it is a challenge to evaluate this activity...
September 14, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28902174/distribution-of-non-persistent-endocrine-disruptors-in-two-different-regions-of-the-human-brain
#4
Thomas P van der Meer, Francisco Artacho-Cordón, Dick F Swaab, Dicky Struik, Konstantinos C Makris, Bruce H R Wolffenbuttel, Hanne Frederiksen, Jana V van Vliet-Ostaptchouk
Non-persistent endocrine disrupting chemicals (npEDCs) can affect multiple organs and systems in the body. Whether npEDCs can accumulate in the human brain is largely unknown. The major aim of this pilot study was to examine the presence of environmental phenols and parabens in two distinct brain regions: the hypothalamus and white-matter tissue. In addition, a potential association between these npEDCs concentrations and obesity was investigated. Post-mortem brain material was obtained from 24 individuals, made up of 12 obese and 12 normal-weight subjects (defined as body mass index (BMI) > 30 and BMI < 25 kg/m², respectively)...
September 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28899916/gd1a-overcomes-inhibition-of-myelination-by-fibronectin-via-activation-of-protein-kinase-a-implications-for-multiple-sclerosis
#5
Jing Qin, Arend H Sikkema, Kristine van der Bij, Jenny C de Jonge, Karin Klappe, Vera Nies, Johan W Jonker, Jan Willem Kok, Dick Hoekstra, Wia Baron
Remyelination failure by oligodendrocytes contributes to the functional impairment that characterizes the demyelinating disease multiple sclerosis (MS). Since incomplete remyelination will irreversibly damage axonal connections, treatments effectively promoting remyelination are pivotal in halting disease progression. Our previous findings suggest that fibronectin aggregates, as an environmental factor, contribute to remyelination failure by perturbing oligodendrocyte progenitor cell (OPC) maturation. Here, we aim at elucidating whether exogenously added gangliosides, i...
September 12, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28899140/exploring-freud-s-resistance-to-the-oceanic-feeling
#6
Sarah Ackerman
This paper takes up Romain Rolland's description of a nearly universal "oceanic feeling" and considers Freud's avowed disinterest in this concept. Herman Melville elaborates and expands the concept of the oceanic in the text of Moby Dick, juxtaposing Ishmael's oceanic reverie while up high on the masthead with Ahab's focused determination to destroy Moby Dick. Melville's extension of the concept recasts the oceanic as an aspect of Freud's recommendations about the necessary conditions for psychoanalytic process, inviting a comparison of going to sea with going into analysis...
February 2017: Journal of the American Psychoanalytic Association
https://www.readbyqxmd.com/read/28893623/cyp17a1-inhibitor-abiraterone-an-anti-prostate-cancer-drug-also-inhibits-the-21-hydroxylase-activity-of-cyp21a2
#7
Jana Malikova, Simone Brixius-Anderko, Sameer S Udhane, Shaheena Parween, Bernhard Dick, Rita Bernhardt, Amit V Pandey
Abiraterone is an inhibitor of CYP17A1 which is used for the treatment of castration resistant prostate cancer. Abiraterone is known to inhibit several drug metabolizing cytochrome P450 enzymes including CYP1A2, CYP2D6, CYP2C8, CYP2C9, CYP2C19, CYP3A4 and CYP3A5, but its effects on steroid metabolizing P450 enzymes are not clear. In preliminary results, we had observed inhibition of CYP21A2 by 1μM abiraterone. Here we are reporting the effect of abiraterone on activities of CYP21A2 in human adrenal cells as well as with purified recombinant CYP21A2...
September 8, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28892162/when-does-it-pay-off-to-prime-for-defense-a-modeling-analysis
#8
Jacob C Douma, Peter J Vermeulen, Erik H Poelman, Marcel Dicke, Niels P R Anten
Plants can prepare for future herbivore attack through a process called priming. Primed plants respond more strongly and/or faster to insect attack succeeding the priming event than nonprimed plants, while the energetic costs of priming are relatively low. To better understand the evolution of priming, we developed a simulation model, partly parameterized for Brassica nigra plants, to explore how the fitness benefits of priming change when plants are grown in different biotic environments. Model simulations showed that herbivore dynamics (arrival probability, arrival time, and feeding rate) affect the optimal duration, the optimal investment and the fitness benefits of priming...
September 11, 2017: New Phytologist
https://www.readbyqxmd.com/read/28892090/probing-the-roles-of-sumoylation-in-cancer-cell-biology-by-using-a-selective-sae-inhibitor
#9
Xingyue He, Jessica Riceberg, Teresa Soucy, Erik Koenig, James Minissale, Melissa Gallery, Hugues Bernard, Xiaofeng Yang, Hua Liao, Claudia Rabino, Pooja Shah, Kristina Xega, Zhong-Hua Yan, Mike Sintchak, John Bradley, He Xu, Matt Duffey, Dylan England, Hirotake Mizutani, Zhigen Hu, Jianping Guo, Ryan Chau, Lawrence R Dick, James E Brownell, John Newcomb, Steve Langston, Eric S Lightcap, Neil Bence, Sai M Pulukuri
Small ubiquitin-like modifier (SUMO) family proteins regulate target-protein functions by post-translational modification. However, a potent and selective inhibitor targeting the SUMO pathway has been lacking. Here we describe ML-792, a mechanism-based SUMO-activating enzyme (SAE) inhibitor with nanomolar potency in cellular assays. ML-792 selectively blocks SAE enzyme activity and total SUMOylation, thus decreasing cancer cell proliferation. Moreover, we found that induction of the MYC oncogene increased the ML-792-mediated viability effect in cancer cells, thus indicating a potential application of SAE inhibitors in treating MYC-amplified tumors...
September 11, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28891562/quantitative-surface-enhanced-raman-spectroscopy-of-single-bases-in-oligodeoxynucleotides
#10
S Dick, S E J Bell
To address the question of whether the SERS signals of ss-DNA are simply combinations of the signals from the individual bases that comprise the sequence, SERS spectra of unmodified ss-DNA sequences were obtained using a hydroxylamine-reduced Ag colloid aggregated with MgSO4. Initially, synthetic oligodeoxynucleotides with systematic structural variations were used to investigate the effect of adding single nucleobases to the 3' terminus of 10-mer and 20-mer sequences. It was found that the resulting SERS difference spectra could be used to identify the added nucleobases since they closely matched reference spectra of the same nucleobase...
September 11, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28890935/ski-178-a-multitargeted-inhibitor-of-sphingosine-kinase-and-microtubule-dynamics-demonstrating-therapeutic-efficacy-in-acute-myeloid-leukemia-models
#11
Jeremy A Hengst, Taryn E Dick, Arati Sharma, Kenichiro Doi, Shailaja Hegde, Su-Fern Tan, Laura M Geffert, Todd E Fox, Arun K Sharma, Dhimant Desai, Shantu Amin, Mark Kester, Thomas P Loughran, Robert F Paulson, David F Claxton, Hong-Gang Wang, Jong K Yun
AIM: To further characterize the selectivity, mechanism-of-action and therapeutic efficacy of the novel small molecule inhibitor, SKI-178. METHODS: Using the state-of-the-art Cellular Thermal Shift Assay (CETSA) technique to detect "direct target engagement" of proteins intact cells, in vitro and in vivo assays, pharmacological assays and multiple mouse models of acute myeloid leukemia (AML). RESULTS: Herein, we demonstrate that SKI-178 directly target engages both Sphingosine Kinase 1 and 2...
July 2017: Cancer Translational Medicine
https://www.readbyqxmd.com/read/28890222/identifying-subsets-of-patients-with-single-level-degenerative-disc-disease-for-lumbar-fusion-the-value-of-prognostic-tests-in-surgical-decision-making
#12
Victor E Staartjes, Pieter-Paul A Vergroesen, Dick J Zeilstra, Marc L Schröder
BACKGROUND CONTEXT: Fusion surgery for degenerative disc disease (DDD) has become a standard of care, albeit not without controversy. Outcomes are inconsistent and a superiority over conservative treatment is debatable. Proper patient selection is key to clinical success, and a comprehensive understanding of prognostic tests does not currently exist. PURPOSE: To investigate the value of prognostic tests and sociodemographic factors in predicting outcomes following lumbar fusion surgery for DDD...
September 7, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28887115/blau-syndrome-associated-uveitis-preliminary-results-from-an-international-prospective-interventional-case-series
#13
Inge L Sarens, Ingele Casteels, Jordi Anton, Brigitte Bader-Meunier, Philippe Brissaud, Gaelle Chédeville, Rolando Cimaz, Andrew D Dick, Graciella Espada, Jorge Fernandez-Martin, Catherine M Guly, Eric Hachulla, Miroslav Harjacek, Raju Khubchandani, Friederike Mackensen, Rosa Merino, Consuelo Modesto, Antonio Naranjo, Sheila Oliveira-Knupp, Seza Özen, Christine Pajot, Athimalaipet V Ramanan, Ricardo Russo, Gordana Susic, Akaluck Thatayatikom, Caroline Thomée, Sebastiaan Vastert, John Bertin, Juan I Arostegui, Carlos D Rose, Carine H Wouters
PURPOSE: Provide baseline and preliminary follow-up results in a 5-year longitudinal study of Blau syndrome DESIGN: Multicenter, prospective interventional case series METHODS: Baseline data from 50 patients from 25 centers worldwide, and follow-up data for patients followed 1, 2 or 3 years at the end of study enrolment. Ophthalmic data were collected at baseline and yearly visits by means of a standardized collection form. RESULTS: Median age at onset of eye disease was 60 months and duration of eye disease at baseline 145 months...
September 5, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28885423/early-second-trimester-fetal-growth-restriction-and-adverse-perinatal-outcomes
#14
Lorene A Temming, Jeffrey M Dicke, Molly J Stout, Roxane M Rampersad, George A Macones, Methodius G Tuuli, Alison G Cahill
OBJECTIVE: To estimate the risk of adverse perinatal outcomes among women with isolated fetal growth restriction from 17 to 22 weeks of gestation. METHODS: This was a retrospective cohort study of all singleton, nonanomalous pregnancies undergoing ultrasonography to assess fetal anatomy between 17 and 22 weeks of gestation at a single center from 2010 to 2014. After excluding patients with fetal structural malformations, chromosomal abnormalities, or identified infectious etiologies, we compared perinatal outcomes between pregnancies with and without fetal growth restriction, defined as estimated fetal weight less than the 10th percentile for gestational age...
September 5, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28885046/cerebellar-contributions-to-language-in-typical-and-atypical-development-a-review
#15
Carolina Vias, Anthony Steven Dick
In this review, we present the growing literature suggesting, from a variety of angles, that the cerebellum contributes to higher-order cognitive functions, rather than simply sensorimotor functions, and more specifically to language and its development. The cerebellum's association with language function is determined by the specific cortico-cerebellar connectivity to the right cerebellum from the left cortical hemisphere. The findings we review suggest that the cerebellum plays an important role as part of a broader language network, and also implies that the cerebellum may be a potential new therapeutic target to treat speech and language deficits, especially during development...
September 8, 2017: Developmental Neuropsychology
https://www.readbyqxmd.com/read/28884613/frequency-of-adverse-event-monitoring-in-ambulatory-patients-on-amiodarone-or-dofetilide
#16
Joshua P Rickard, Jenna Negrelli, Jeffery L Olson, Travis Dick
BACKGROUND: Published studies state that adherence to regular laboratory assessments for anti-arrhythmic drugs is as low as 20%. Monitoring adherence is important as other studies have shown that up to 93% of patients on amiodarone experience an adverse drug event leading to a potentially lethal event. OBJECTIVE: To determine whether patients prescribed amiodarone or dofetilide are being monitored according to package labeling and guideline recommendations for adverse events...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28884363/surgical-considerations-when-reporting-mri-studies-of-soft-tissue-sarcoma-of-the-limbs
#17
REVIEW
Marcela De La Hoz Polo, Elizabeth Dick, Rej Bhumbra, Rob Pollock, Ranbir Sandhu, Asif Saifuddin
Soft tissue sarcomas (STS) are rare tumours that require prompt diagnosis and treatment at a specialist centre. Magnetic resonance imaging (MRI) has become the modality of choice for identification, characterisation, biopsy planning and staging of soft tissue masses. MRI enables both the operating surgeon and patient to be optimally prepared prior to surgery for the likelihood of margin-negative resection and to anticipate possible sacrifice of adjacent structures and consequent loss of function. The aim of this review is to aid the radiologist in performing and reporting MRI studies of soft tissue sarcomas, with particular reference to the requirements of the surgical oncologist...
September 7, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28881617/germline-whole-exome-sequencing-and-large-scale-replication-identifies-fancm-as-a-likely-high-grade-serous-ovarian-cancer-susceptibility-gene
#18
Ed Dicks, Honglin Song, Susan J Ramus, Elke Van Oudenhove, Jonathan P Tyrer, Maria P Intermaggio, Siddhartha Kar, Patricia Harrington, David D Bowtell, Aocs Study Group, Mine S Cicek, Julie M Cunningham, Brooke L Fridley, Jennifer Alsop, Mercedes Jimenez-Linan, Anna Piskorz, Teodora Goranova, Emma Kent, Nadeem Siddiqui, James Paul, Robin Crawford, Samantha Poblete, Shashi Lele, Lara Sucheston-Campbell, Kirsten B Moysich, Weiva Sieh, Valerie McGuire, Jenny Lester, Kunle Odunsi, Alice S Whittemore, Natalia Bogdanova, Matthias Dürst, Peter Hillemanns, Beth Y Karlan, Aleksandra Gentry-Maharaj, Usha Menon, Marc Tischkowitz, Douglas Levine, James D Brenton, Thilo Dörk, Ellen L Goode, Simon A Gayther, D P Paul Pharoah
We analyzed whole exome sequencing data in germline DNA from 412 high grade serous ovarian cancer (HGSOC) cases from The Cancer Genome Atlas Project and identified 5,517 genes harboring a predicted deleterious germline coding mutation in at least one HGSOC case. Gene-set enrichment analysis showed enrichment for genes involved in DNA repair (p = 1.8×10(-3)). Twelve DNA repair genes - APEX1, APLF, ATX, EME1, FANCL, FANCM, MAD2L2, PARP2, PARP3, POLN, RAD54L and SMUG1 - were prioritized for targeted sequencing in up to 3,107 HGSOC cases, 1,491 cases of other epithelial ovarian cancer (EOC) subtypes and 3,368 unaffected controls of European origin...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880041/less-stable-tautomers-form-stronger-hydrogen-bonds-the-case-of-water-complexes
#19
Shmuel Zilberg, Bernhard Dick
Hydrogen bonding in cyclic complexes of water with tautomeric pairs of molecules M(0) and M(1) is calculated to be stronger by more than 25% for the less stable tautomer M(1) in all cases where the energy gap between the two tautomers is large (ΔE(M(0) - M(1)) > 10 kcal mol(-1)). This is accompanied by a large red-shift (>200 cm(-1)) of the N-H/O-H stretch frequency in the complexes involving M(1). Large barriers for double proton transfer in both directions should permit an experimental verification...
September 7, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28878627/optic-nerve-degeneration-after-retinal-ischemia-reperfusion-in-a-rodent-model
#20
Marina Renner, Gesa Stute, Mohammad Alzureiqi, Jacqueline Reinhard, Susanne Wiemann, Heiko Schmid, Andreas Faissner, H Burkhard Dick, Stephanie C Joachim
Retinal ischemia is a common pathomechanism in many ocular disorders such as age-related macular degeneration (AMD), diabetic retinopathy, glaucoma or retinal vascular occlusion. Several studies demonstrated that ischemia/reperfusion (I/R) leads to morphological and functional changes of different retinal cell types. However, little is known about the ischemic effects on the optic nerve. The goal of this study was to evaluate these effects. Ischemia was induced by raising the intraocular pressure (IOP) in one eye of rats to 140 mmHg for 1 h followed by natural reperfusion...
2017: Frontiers in Cellular Neuroscience
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