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María Muñoz-Amatriaín, Hamid Mirebrahim, Pei Xu, Steve I Wanamaker, MingCheng Luo, Hind Alhakami, Matthew Alpert, Ibrahim Atokple, Benoit Joseph Batieno, Ousmane Boukar, Serdar Bozdag, Ndiaga Cisse, Issa Drabo, Jeffrey D Ehlers, Andrew Farmer, Christian Fatokun, Yong Q Gu, Yi-Ning Guo, Bao-Lam Huynh, Scott A Jackson, Francis Kusi, Cynthia T Lawley, Mitchell R Lucas, Yaqin Ma, Michael P Timko, Jiajie Wu, Frank You, Philip A Roberts, Stefano Lonardi, Timothy J Close
Cowpea (Vigna unguiculata L. Walp.) is a legume crop that is resilient to hot and drought-prone climates, and a primary source of protein in sub-Saharan Africa and other parts of the developing world. However, genome resources for cowpea have lagged behind most other major crops. Here we describe foundational genome resources and their application to analysis of germplasm currently in use in West African breeding programs. Resources developed from the African cultivar IT97K-499-35 include a whole-genome shotgun (WGS) assembly, a bacterial artificial chromosome (BAC) physical map, and assembled sequences from 4,355 BACs...
October 24, 2016: Plant Journal: for Cell and Molecular Biology
Francis Vallières, Denis Girard D
The interleukin (IL)-21/IL-21 receptor (R) is a promising system to be exploited for the development of therapeutic strategies. Although the biological activities of IL-21 and its cell signaling events have been largely studied in immunocytes, its interaction with human monocytes and macrophages have been neglected. Previously, we reported that IL-21 enhances FcRγ-mediated phagocytosis in human monocytes and in human monocyte-derived macrophages (HMDM) and identified Syk as a novel molecular target of IL-21...
October 24, 2016: Clinical and Experimental Immunology
D Bragg, C Bradley, A El-Sharkawy, A Chowdhury, E Cox, S T Francis, D N Lobo
No abstract text is available yet for this article.
October 11, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Vivian L Bishay, Derek M Biederman, Thomas J Ward, Imramsjah Martijn J van der Bom, Rahul S Patel, Edward Kim, Francis S Nowakowski, Robert A Lookstein, Aaron M Fischman
OBJECTIVE: The transradial approach (TRA) has been shown to reduce the morbidity and mortality associated with arterial coronary interventions. Selective internal radiation therapy (SIRT) performed via the TRA can enhance patient comfort, compared with the traditional transfemoral approach (TFA), by allowing immediate ambulation and precluding potential complications associated with the TFA, such as closure device injury or retroperitoneal hematoma. We report our initial experience with and technique for using the TRA for SIRT...
November 2016: AJR. American Journal of Roentgenology
Wenzel M Hackeng, Elizabeth A Montgomery, Francis M Giardiello, Aatur D Singhi, Marija Debeljak, James R Eshleman, Michael Vieth, G Johan A Offerhaus, Laura D Wood, Lodewijk A A Brosens
BACKGROUND: Gastric pyloric gland adenomas (PGAs) are rare epithelial polyps that are more commonly found in autoimmune atrophic gastritis and familial adenomatous polyposis. Little is known about the morphology and genetics of PGAs in familial adenomatous polyposis. AIMS: PGAs in familial adenomatous polyposis are studied morphologically and genetically. Findings in FAP associated PGAs are compared to sporadic PGAs and related lesions such as oxyntic gland adenoma (OGA) to increase our understanding of these rare polyps...
October 21, 2016: Histopathology
Thitaphat Ngernsutivorakul, Cynthia M Cipolla, Colleen E Dugan, Shi Jin, Michael D Morris, Robert T Kennedy, Francis W L Esmonde-White
Fiber optics coupled to components such as lenses and mirrors have seen extensive use as probes for Raman and fluorescence measurements. Probes can be placed directly on or into a sample to allow for simplified and remote application of these optical techniques. The size and complexity of such probes however limits their application. We have used microfabrication in polydimethylsiloxane (PDMS) to create compact probes that are 0.5 mm thick by 1 mm wide. The miniature probes incorporate pre-aligned mirrors, lenses, and two fiber optic guides to allow separate input and output optical paths suitable for Raman and fluorescence spectroscopy measurements...
October 20, 2016: Analytical and Bioanalytical Chemistry
Ju H Kim, Ramesh Singh, Francis D Pagani, Shashank S Desai, Nicholas A Haglund, Shannon M Dunlay, Simon Maltais, Keith D Aaronson, John M Stulak, Mary E Davis, Christopher T Salerno, Jennifer A Cowger, Palak Shah
BACKGROUND: Limited data exist on outcomes in patients greater than 70 years of age supported with continuous flow left ventricular assist devices (LVAD). METHODS: Data on 1,149 continuous-flow LVAD recipients was queried from the Mechanical Circulatory Support Research Network. Groups were assigned based on age: ≥70 years ("older patients") and <70 years. The primary outcome was survival at one-year based on age grouping. RESULTS: Compared with younger patients, (54...
October 17, 2016: Journal of Cardiac Failure
Francis D O Ablan, B Logan Spaller, Kaitlyn I Abdo, Paulo F Almeida
Hundreds of cationic antimicrobial and cell-penetrating peptides (CPPs) form amphipathic α-helices when bound to lipid membranes. Here, we test two hypotheses for the differences in the ability of these peptides to translocate across membranes. The first, which we now call the hydrophobicity hypothesis, is that peptide translocation is determined by the Gibbs energy of insertion into the bilayer from the membrane interface. The second, which we call the charge-distribution hypothesis, is that translocation is determined by whether the distribution of cationic residues in the peptide can transiently stabilize a high-energy inserted intermediate by forming salt bridges to the phosphates of lipid headgroups...
October 18, 2016: Biophysical Journal
Dhyan Rajan, Julia B Greer, Miguel D Regueiro, Leonard Baidoo, David G Binion, Hans H Herfarth, Corey A Siegel, Douglas J Hartman, Francis A Farraye, Ioannis E Koutroubakis, Myron H Brand, Emmanuelle D Williams, Alka Goyal, Raymond K Cross
No abstract text is available yet for this article.
November 2016: Inflammatory Bowel Diseases
David M Turer, Kelly L Koch, Todd M Koelling, Audrey H Wu, Francis D Pagani, Jonathan W Haft
Centrifugal and axial flow left ventricular assist devices have different hydrodynamic properties that may impact the effectiveness of left ventricular unloading. We sought to determine if patients implanted with the HeartWare HVAD (HW) and HeartMate II (HMII) had a similar degree of hemodynamic support by comparing parameters measured using echocardiography and right heart catheterization. Using our prospectively collected database, we identified 268 patients implanted with the HMII and 93 with the HW. Demographic characteristics were similar between groups...
July 26, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Wilfred F Peter, Henrika Cw de Vet, Maarten Boers, Jaap Harlaar, Leo D Roorda, Rudolf W Poolman, Vanessa Ab Scholtes, Martijn Steultjens, Gordon J Hendry, Ewa M Roos, Francis Guillemin, Maria G Benedetti, Lorenzo Cavazzuti, Antonio Escobar, Hanne Dagfinrud, Caroline B Terwee
OBJECTIVE: The Animated Activity Questionnaire (AAQ) assesses activity limitations in patients with hip/knee osteoarthritis (HKOA), and consisting video animations of which patients choose the animation that best matches their own performance. The AAQ has shown good validity and reliability. This study aims to evaluate cross-cultural and construct validity of the AAQ. Methods Cross-cultural validity was assessed using ordinal logistic regression analysis to evaluate Differential Item Functioning (DIF) across 7 languages...
October 16, 2016: Arthritis Care & Research
Vikram Sood, Osman Alam, Vakhtang Tchantchaleishvili, Francis D Pagani, Keith D Aaronson, Jonathan Haft, David L Joyce, Lyle D Joyce, Richard C Daly, Simon Maltais, John M Stulak
BACKGROUND: Analyses of the HeartMate II left ventricular assist device are routinely performed after explant if returned to the manufacturer. Findings from manufacturer-reported pump analyses have not been correlated with pre-explant serum lactate dehydrogenase (LDH) values. METHODS: Between May 2004 and December 2014, 502 patients underwent primary HeartMate II implantation. Seventy pumps were explanted in 58 patients and returned to the manufacturer for pump analysis: 51 (73%) for suspected pump thrombosis, 12 (17%) for device-related infection, and 7 (13%) for percutaneous lead fracture...
October 12, 2016: Annals of Thoracic Surgery
Gregory Francis
Recent reform efforts in psychological science have led to a plethora of choices for scientists to analyze their data. A scientist making an inference about their data must now decide whether to report a p value, summarize the data with a standardized effect size and its confidence interval, report a Bayes Factor, or use other model comparison methods. To make good choices among these options, it is necessary for researchers to understand the characteristics of the various statistics used by the different analysis frameworks...
October 14, 2016: Behavior Research Methods
Francis Varaine, Lorenzo Guglielmetti, Helena Huerga, Maryline Bonnet, Nana Kiria, Joseph K Sitienei, Michael Rich, Carole D Mitnick
No abstract text is available yet for this article.
October 15, 2016: American Journal of Respiratory and Critical Care Medicine
Hailong Song, Yuan Lu, Zhe Qu, Valeri V Mossine, Matthew B Martin, Jie Hou, Jiankun Cui, Brenda A Peculis, Thomas P Mawhinney, Jianlin Cheng, C Michael Greenlief, Kevin Fritsche, Francis J Schmidt, Ronald B Walter, Dennis B Lubahn, Grace Y Sun, Zezong Gu
Aged garlic extract (AGE) is widely used as a dietary supplement on account of its protective effects against oxidative stress and inflammation. But less is known about specific molecular targets of AGE and its bioactive components, including N-α-(1-deoxy-D-fructos-1-yl)-L-arginine (FruArg). Our recent study showed that both AGE and FruArg significantly attenuate lipopolysaccharide (LPS)-induced neuroinflammatory responses in BV-2 microglial cells. This study aims to unveil effects of AGE and FruArg on gene expression regulation in LPS stimulated BV-2 cells...
October 13, 2016: Scientific Reports
Mark D DeBoer, Daniel R Cherñavvsky, Katarina Topchyan, Boris P Kovatchev, Gary L Francis, Marc D Breton
OBJECTIVE: To evaluate the safety and performance of using a heart rate (HR) monitor to inform an artificial pancreas (AP) system during exercise among adolescents with type 1 diabetes (T1D). MATERIALS AND METHODS: In a randomized, cross-over trial, adolescents with T1D age 13 - 18 years were enrolled to receive on separate days either the unmodified UVa AP (stdAP) or an AP system connected to a portable HR monitor (AP-HR) that triggered an exercise algorithm for blood glucose (BG) control...
October 13, 2016: Pediatric Diabetes
Daniele Muser, Pasquale Santangeli, Simon A Castro, Rajeev K Pathak, Jackson J Liang, Tatsuya Hayashi, Silvia Magnani, Fermin C Garcia, Mathew D Hutchinson, Gregory G Supple, David S Frankel, Michael P Riley, David Lin, Robert D Schaller, Sanjay Dixit, Erica S Zado, David J Callans, Francis E Marchlinski
BACKGROUND: Catheter ablation (CA) of ventricular tachycardia (VT) in patients with nonischemic dilated cardiomyopathy can be challenging because of the complexity of underlying substrates. We sought to determine the long-term outcomes of endocardial and adjuvant epicardial CA in nonischemic dilated cardiomyopathy. METHODS AND RESULTS: We examined 282 consecutive patients (aged 59±15 years, 80% males) with nonischemic dilated cardiomyopathy who underwent CA. Ablation was guided by activation/entrainment mapping for tolerated VT and pacemapping/targeting of abnormal electrograms for unmappable VT...
October 2016: Circulation. Arrhythmia and Electrophysiology
Xiao-Su Hu, Clayton A Fisher, Stephanie M Munz, Rebecca L Toback, Thiago D Nascimento, Emily L Bellile, Laura Rozek, Avraham Eisbruch, Francis P Worden, Theodora E Danciu, Alexandre F DaSilva
Patients with head and neck cancer often experience a significant decrease in their quality of life during chemoradiotherapy (CRT) due to treatment-related pain, which is frequently classified as severe. Transcranial direct current stimulation (tDCS) is a method of non-invasive brain stimulation that has been frequently used in experimental and clinical pain studies. In this pilot study, we investigated the clinical impact and central mechanisms of twenty primary motor cortex (M1) stimulation sessions with tDCS during 7 weeks of CRT for head and neck cancer...
2016: Frontiers in Human Neuroscience
Brian Helmuth, Francis Choi, Allison Matzelle, Jessica L Torossian, Scott L Morello, K A S Mislan, Lauren Yamane, Denise Strickland, P Lauren Szathmary, Sarah E Gilman, Alyson Tockstein, Thomas J Hilbish, Michael T Burrows, Anne Marie Power, Elizabeth Gosling, Nova Mieszkowska, Christopher D G Harley, Michael Nishizaki, Emily Carrington, Bruce Menge, Laura Petes, Melissa M Foley, Angela Johnson, Megan Poole, Mae M Noble, Erin L Richmond, Matt Robart, Jonathan Robinson, Jerod Sapp, Jackie Sones, Bernardo R Broitman, Mark W Denny, Katharine J Mach, Luke P Miller, Michael O'Donnell, Philip Ross, Gretchen E Hofmann, Mackenzie Zippay, Carol Blanchette, J A Macfarlan, Eugenio Carpizo-Ituarte, Benjamin Ruttenberg, Carlos E Peña Mejía, Christopher D McQuaid, Justin Lathlean, Cristián J Monaco, Katy R Nicastro, Gerardo Zardi
At a proximal level, the physiological impacts of global climate change on ectothermic organisms are manifest as changes in body temperatures. Especially for plants and animals exposed to direct solar radiation, body temperatures can be substantially different from air temperatures. We deployed biomimetic sensors that approximate the thermal characteristics of intertidal mussels at 71 sites worldwide, from 1998-present. Loggers recorded temperatures at 10-30 min intervals nearly continuously at multiple intertidal elevations...
October 11, 2016: Scientific Data
Paula L Croal, Ian D Driver, Susan T Francis, Penny A Gowland
The relationship between venous blood oxygenation and change in transverse relaxation rate (ΔR2(⁎)) plays a key role in calibrated BOLD fMRI. This relationship, defined by the parameter β, has previously been determined using theoretical simulations and experimental measures. However, these earlier studies have been confounded by the change in venous cerebral blood volume (CBV) in response to functional tasks. This study used a double-echo gradient echo EPI scheme in conjunction with a graded isocapnic hyperoxic sequence to assess quantitatively the relationship between the fractional venous blood oxygenation (1-Yv) and transverse relaxation rate of grey matter (ΔR2(⁎)GM), without inducing a change in vCBV...
October 5, 2016: NeuroImage
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