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https://www.readbyqxmd.com/read/28920069/assessment-of-thermal-pain-sensation-in-rats-and-mice-using-the-hargreaves-test
#1
Menghon Cheah, James W Fawcett, Melissa R Andrews
The Hargreaves test is specifically designed to assess thermal pain sensation in rodents such as rats and mice. This test has been used in experiments involving pain sensitization or recovery of thermal pain response following neural injury and regeneration. We present here a step-by-step protocol highlighted with important notes to guide first-time users through the learning process. Additionally, we have also included representative data from a rat model of sensory denervation showing how the data can be analysed to obtain meaningful results...
August 20, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28920020/neonatal-perforated-appendicitis-attributed-to-localized-necrotizing-enterocolitis-of-the-appendix-a-review
#2
Andrew Tumen, Pranit N Chotai, John Matthew Williams, Adrianne Myers-Webb, Ramesh Krishnan, James W Eubanks Iii
Neonatal appendicitis is a rare clinical entity associated with remarkable morbidity and mortality. Appendicular perforation is common and the diagnosis is usually made intra-operatively. The causative etiology of neonatal perforated appendicitis (NPA) is a subject of debate and has not been elucidated. Although many etiologic theories exist, increasing evidence suggests a subset of NPA cases may represent a form of necrotizing enterocolitis (NEC) localized to the appendix. We herein present a review of the current literature to include cases of NPA attributed to localized NEC...
July 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28919261/top-down-inhibition-of-bmp-signaling-enables-robust-induction-of-hpscs-into-neural-crest-in-fully-defined-xeno-free-conditions
#3
James O S Hackland, Tom J R Frith, Oliver Thompson, Ana Marin Navarro, Martin I Garcia-Castro, Christian Unger, Peter W Andrews
Defects in neural crest development have been implicated in many human disorders, but information about human neural crest formation mostly depends on extrapolation from model organisms. Human pluripotent stem cells (hPSCs) can be differentiated into in vitro counterparts of the neural crest, and some of the signals known to induce neural crest formation in vivo are required during this process. However, the protocols in current use tend to produce variable results, and there is no consensus as to the precise signals required for optimal neural crest differentiation...
September 13, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28919200/predictors-of-enhanced-response-with-benralizumab-for-patients-with-severe-asthma-pooled-analysis-of-the-sirocco-and-calima-studies
#4
J Mark FitzGerald, Eugene R Bleecker, Andrew Menzies-Gow, James G Zangrilli, Ian Hirsch, Paul Metcalfe, Paul Newbold, Mitchell Goldman
BACKGROUND: Benralizumab is an anti-eosinophilic, anti-interleukin-5 receptor α monoclonal antibody that has been shown to significantly reduce asthma exacerbations and improve lung function for patients with severe, uncontrolled asthma. We further explored the efficacy of benralizumab for patients with different baseline blood eosinophil thresholds and exacerbation histories. METHODS: This study is a pooled analysis of the results from the randomised, double-blind, placebo-controlled SIROCCO (NCT01928771) and CALIMA (NCT01914757) phase 3 studies...
September 8, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28918207/the-association-between-cardiac-physiology-acquired-brain-injury-and-postnatal-brain-growth-in-critical-congenital-heart-disease
#5
Shabnam Peyvandi, Hosung Kim, Joanne Lau, A James Barkovich, Andrew Campbell, Steven Miller, Duan Xu, Patrick McQuillen
OBJECTIVE: To assess the trajectory of perioperative brain growth in relationship to cardiac diagnosis and acquired brain injuries. METHODS: This was a cohort study of term neonates with hypoplastic left heart syndrome (HLHS) and transposition of the great arteries (TGA). Subjects underwent magnetic resonance imaging of the brain pre- and postoperatively to determine the severity of brain injury and total and regional brain volumes by the use of automated morphometry...
August 24, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28916367/rucaparib-maintenance-treatment-for-recurrent-ovarian-carcinoma-after-response-to-platinum-therapy-ariel3-a-randomised-double-blind-placebo-controlled-phase-3-trial
#6
Robert L Coleman, Amit M Oza, Domenica Lorusso, Carol Aghajanian, Ana Oaknin, Andrew Dean, Nicoletta Colombo, Johanne I Weberpals, Andrew Clamp, Giovanni Scambia, Alexandra Leary, Robert W Holloway, Margarita Amenedo Gancedo, Peter C Fong, Jeffrey C Goh, David M O'Malley, Deborah K Armstrong, Jesus Garcia-Donas, Elizabeth M Swisher, Anne Floquet, Gottfried E Konecny, Iain A McNeish, Clare L Scott, Terri Cameron, Lara Maloney, Jeff Isaacson, Sandra Goble, Caroline Grace, Thomas C Harding, Mitch Raponi, James Sun, Kevin K Lin, Heidi Giordano, Jonathan A Ledermann
BACKGROUND: Rucaparib, a poly(ADP-ribose) polymerase inhibitor, has anticancer activity in recurrent ovarian carcinoma harbouring a BRCA mutation or high percentage of genome-wide loss of heterozygosity. In this trial we assessed rucaparib versus placebo after response to second-line or later platinum-based chemotherapy in patients with high-grade, recurrent, platinum-sensitive ovarian carcinoma. METHODS: In this randomised, double-blind, placebo-controlled, phase 3 trial, we recruited patients from 87 hospitals and cancer centres across 11 countries...
September 12, 2017: Lancet
https://www.readbyqxmd.com/read/28915353/detection-of-cuaupd-phase-boundaries-using-core-level-shifts
#7
Chunrong Yin, James B Miller, Petro Kondratyuk, Andrew J Gellman
A high throughput study has been conducted of the Cu 2p3/2, Au 4f7/2, and Pd 3d3/2 x-ray photoemission spectra obtained from a continuous distribution of CuxAuyPd1-x-y alloy samples prepared as a single composition spread alloy film (CSAF). All three elements exhibit shifts of their core level binding energies with respect to their pure states when diluted into the alloy. The Cu 2p3/2 core level shift (CLS) exhibits additional shifts over the composition ranges at which the CuxAuyPd1-x-y alloy transitions between FCC and B2 phases...
September 15, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28914343/image-guided-percutaneous-removal-of-ballistic-foreign-bodies-secondary-to-air-gun-injuries
#8
Jacob L Rothermund, Andrew J Rabe, Nicholas A Zumberge, James W Murakami, Patrick S Warren, Mark J Hogan
BACKGROUND: Ballistic injuries with retained foreign bodies from air guns is a relatively common problem, particularly in children and adolescents. If not removed in a timely fashion, the foreign bodies can result in complications, including pain and infection. Diagnostic methods to identify the presence of the foreign body run the entire gamut of radiology, particularly radiography, ultrasound (US) and computed tomography (CT). Removal of the foreign bodies can be performed by primary care, emergency, surgical, and radiologic clinicians, with or without imaging guidance...
September 15, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28914232/combined-rtms-and-virtual-reality-brain-computer-interface-training-for-motor-recovery-after-stroke
#9
Nessa N Johnson, James Carey, Bradley Edelman, Alexander Doud, Andrew Grande, Kamakshi Lakshminarayan, Bin He
OBJECTIVE: Combining repetitive transcranial magnetic stimulation (rTMS) with brain-computer interface (BCI) training can address motor impairment after stroke by down-regulating exaggerated inhibition from the contralesional hemisphere and encouraging ipsilesional activation. The objective was to evaluate the efficacy of combined rTMS+BCI, compared to sham rTMS+BCI, on motor recovery after stroke in subjects with lasting motor paresis. APPROACH: Three stroke subjects approximately one year post-stroke participated in three weeks of combined rTMS (real or sham) and BCI, followed by three weeks of BCI alone...
September 15, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28912647/accelerometery-and-heart-rate-responses-of-professional-fast-medium-bowlers-in-one-day-and-multi-day-cricket
#10
James A Johnstone, Gerwyn Hughes, Andrew C Mitchell, Paul A Ford, Tim Watson, Rob Duffield, Dan Gordon, Justin D Roberts, Andrew T Garrett
The physical demands of fast-medium bowling are increasingly being recognised, yet comparative exploration of the differing demands between competitive formats (i.e. one-day [OD] versus multi-day [MD] matches) remain minimal. The aim of this study was to describe in-match physiological profiles of professional fast-medium bowlers from England across different versions of competitive matches using a multivariable wearable monitoring device. Seven professional cricket fast-medium bowlers wore the Bioharness(TM) monitoring device during matches, over three seasons (>80 hours in-match)...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28912485/serial-millisecond-crystallography-for-routine-room-temperature-structure-determination-at-synchrotrons
#11
Tobias Weinert, Natacha Olieric, Robert Cheng, Steffen Brünle, Daniel James, Dmitry Ozerov, Dardan Gashi, Laura Vera, May Marsh, Kathrin Jaeger, Florian Dworkowski, Ezequiel Panepucci, Shibom Basu, Petr Skopintsev, Andrew S Doré, Tian Geng, Robert M Cooke, Mengning Liang, Andrea E Prota, Valerie Panneels, Przemyslaw Nogly, Ulrich Ermler, Gebhard Schertler, Michael Hennig, Michel O Steinmetz, Meitian Wang, Jörg Standfuss
Historically, room-temperature structure determination was succeeded by cryo-crystallography to mitigate radiation damage. Here, we demonstrate that serial millisecond crystallography at a synchrotron beamline equipped with high-viscosity injector and high frame-rate detector allows typical crystallographic experiments to be performed at room-temperature. Using a crystal scanning approach, we determine the high-resolution structure of the radiation sensitive molybdenum storage protein, demonstrate soaking of the drug colchicine into tubulin and native sulfur phasing of the human G protein-coupled adenosine receptor...
September 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28912378/systematic-mutagenesis-of-serine-hydroxymethyltransferase-reveals-essential-role-in-nematode-resistance
#12
Pramod K Kandoth, Shiming Liu, Elizabeth Prenger, Andrew Ludwig, Naoufal Lakhssassi, Robert Heinz, Zhou Zhou, Amanda Howland, Joshua Gunther, Samantha Eidson, Andi Dhroso, Peter Lafayette, Donna Tucker, Sarah Elizabeth Johnson, James Anderson, Alaa Alaswad, Silvia Cianzio, Wayne Allen Parrott, Dmitry Korkin, Khalid Meksem, Melissa G Mitchum
Rhg4 is a major genetic locus that contributes to soybean cyst nematode (SCN) resistance in the Peking-type resistance of soybean, which also requires the rhg1 gene. By map-based cloning and functional genomic approaches, we previously showed that the Rhg4 gene encodes a predicted cytosolic serine hydroxymethyltransferase (GmSHMT08); however, the novel gain of function of GmSHMT08 in SCN resistance remains to be characterized. Using a forward genetic screen, we identified an allelic series of GmSHMT08 mutants that shed new light on the mechanistic aspects of GmSHMT08-mediated resistance...
September 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28912365/d-dimer-in-african-americans-whole-genome-sequence-analysis-and-relationship-to-cardiovascular-disease-risk-in-the-jackson-heart-study
#13
Laura M Raffield, Neil A Zakai, Qing Duan, Cecelia Laurie, Joshua D Smith, Marguerite R Irvin, Margaret F Doyle, Rakhi P Naik, Ci Song, Ani W Manichaikul, Yongmei Liu, Peter Durda, Jerome I Rotter, Nancy S Jenny, Stephen S Rich, James G Wilson, Andrew D Johnson, Adolfo Correa, Yun Li, Deborah A Nickerson, Kenneth Rice, Ethan M Lange, Mary Cushman, Leslie A Lange, Alex P Reiner
OBJECTIVE: Plasma levels of the fibrinogen degradation product D-dimer are higher among African Americans (AAs) compared with those of European ancestry and higher among women compared with men. Among AAs, little is known of the genetic architecture of D-dimer or the relationship of D-dimer to incident cardiovascular disease. APPROACH AND RESULTS: We measured baseline D-dimer in 4163 AAs aged 21 to 93 years from the prospective JHS (Jackson Heart Study) cohort and assessed association with incident cardiovascular disease events...
September 14, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28906041/total-synthesis-of-skyllamycins-a-c
#14
Richard James Payne, Andrew Giltrap, Jake Haeckl, Kenji Kurita, Roger Linington
The skyllamycins are a family of highly functionalized non-ribosomal cyclic depsipeptide natural products which contain the extremely rare α OH-glycine functionality. Herein we report the first total synthesis of skyllamycins A-C, together with the biofilm inhibitory activity of the natural products. Linear peptide precursors for each natural product were prepared through an efficient solid-phase route incorporating a number of synthetic modified amino acids. A novel macrocyclization step between a C-terminal amide and a N-terminal glyoxylamide moiety served as a key transformation to install the unique α OH-glycine unit and generate the natural products in the final step of the synthesis...
September 14, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28905471/novel-assessment-tool-to-detect-breathing-pattern-disorder-in-patients-with-refractory-asthma
#15
Sarah Todd, Emil S Walsted, Lizzie Grillo, Rebecca Livingston, Andrew Menzies-Gow, James H Hull
BACKGROUND AND OBJECTIVE: Breathing pattern disorder (BPD) can co-exist with and mimic asthma, acting to amplify symptoms and confound assessment of disease control, resulting in inappropriate treatment escalation. The aim of this research was to report the utility of a novel breathing pattern assessment tool (BPAT) to detect BPD in treatment-refractory asthma. METHODS: As a component of a multidisciplinary assessment, adult patients referred with treatment-refractory asthma underwent respiratory physiotherapy assessment to diagnose BPD...
September 14, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28904748/the-complexity-of-mating-decisions-in-stalk-eyed-flies
#16
Nadine C Chapman, Penthai Siriwat, James Howie, Aaron Towlson, Lawrence Bellamy, Kevin Fowler, Andrew Pomiankowski
All too often, studies of sexual selection focus exclusively on the responses in one sex, on single traits, typically those that are exaggerated and strongly sexually dimorphic. They ignore a range of less obvious traits and behavior, in both sexes, involved in the interactions leading to mate choice. To remedy this imbalance, we analyze a textbook example of sexual selection in the stalk-eyed fly (Diasemopsis meigenii). We studied several traits in a novel, insightful, and efficient experimental design, examining 2,400 male-female pairs in a "round-robin" array, where each female was tested against multiple males and vice versa...
September 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28904006/the-crash-report-emergency-management-dilemmas-facing-acute-physicians-in-patients-with-pulmonary-arterial-hypertension
#17
Laura C Price, Konstantinos Dimopoulos, Philip Marino, Rafael Alonso-Gonzalez, Colm McCabe, Aleksander Kemnpy, Lorna Swan, Maria Boutsikou, Ahmed Al Zahrani, Gerry J Coghlan, Benjamin E Schreiber, Luke S Howard, Rachel Davies, Mark Toshner, Joanna Pepke-Zaba, Alistair C Church, Andrew Peacock, Paul A Corris, James L Lordan, Sean Gaine, Robin Condliffe, David G Kiely, Stephen John Wort
Treatment of acute emergencies in patients with pulmonary arterial hypertension (PAH) can be challenging. In the UK and Ireland, management of adult patients with PAH is centred in eight nationally designated pulmonary hypertension (PH) centres. However, many patients live far from these centres and physicians in local hospitals are often required to manage PAH emergencies. A committee of physicians from nationally designated PH centres identified the 'most common' emergency clinical scenarios encountered in patients with PAH...
September 12, 2017: Thorax
https://www.readbyqxmd.com/read/28903122/impact-of-ixekizumab-treatment-on-depressive-symptoms-and-systemic-inflammation-in-patients-with-moderate-to-severe-psoriasis-an-integrated-analysis-of-three-phase-3-clinical-studies
#18
Christopher E M Griffiths, Maurizio Fava, Andrew H Miller, James Russell, Susan G Ball, Wen Xu, Nayan Acharya, Mark Hyman Rapaport
BACKGROUND: Depression is a common comorbidity in psoriasis, and both conditions are associated with systemic inflammation. The efficacy of ixekizumab, a high-affinity monoclonal antibody that selectively targets interleukin (IL)-17A, was evaluated in patients with moderate-to-severe plaque psoriasis (psoriasis) and depressive symptoms that were at least moderately severe. METHODS: Data were integrated from 3 randomized, double-blind, controlled phase 3 trials. At baseline and week 12, depressive symptoms and inflammation were assessed by the 16-item Quick Inventory of Depressive Symptomology - Self-Report (QIDS-SR16) and by a high-sensitivity assay of serum C-reactive protein (hsCRP), respectively...
September 14, 2017: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/28902844/melioidosis-in-lower-provincial-cambodia-a-case-series-from-a-prospective-study-of-sepsis-in-takeo-province
#19
Kevin L Schully, Catherine M Berjohn, Angela M Prouty, Amitha Fitkariwala, Tin Som, Darith Sieng, Michael J Gregory, Andrew Vaughn, Sim Kheng, Vantha Te, Christopher A Duplessis, James V Lawler, Danielle V Clark
Melioidosis is a severe infectious disease caused by the gram-negative soil bacterium Burkholderia pseudomallei. Melioidosis is well known to be a major cause of morbidity and mortality in Southeast Asia, particularly in Thailand. However, melioidosis remains underreported in surrounding areas such as Cambodia. We report a case series of melioidosis in seven patients from Takeo Province, Cambodia. The patients, aged 24-65 years, were enrolled from May 2014 to May 2015 during a one year prospective study of sepsis at Takeo Provincial Hospital...
September 13, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28902780/is-multifocality-an-indicator-of-aggressive-behavior-in-small-bowel-neuroendocrine-tumors
#20
Allen B Choi, Jessica E Maxwell, Kendall J Keck, Andrew J Bellizzi, Joseph S Dillon, Thomas M OʼDorisio, James R Howe
OBJECTIVES: Many patients with small bowel neuroendocrine tumors (SBNETs) have multifocal tumors (MFTs), but the frequency of MFTs has varied widely across SBNET studies. It is also unclear whether patients with MFTs have more advanced disease or worse clinical course than do those with unifocal SBNETs. We set out to determine the frequency of multifocal and unifocal SBNETs and compare clinicopathologic factors, somatostatin receptor 2 expression, and survival. METHODS: Clinicopathologic variables from 179 patients with surgically managed SBNETs were collected...
October 2017: Pancreas
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