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Meghan M McConnell, Sandra Monteiro, Molly M Pottruff, Alan Neville, Geoff R Norman, Kevin W Eva, Kulamakan Kulasegaram
PURPOSE: Training to become a physician is an emotionally laden experience. Research in cognitive psychology indicates that emotions can influence learning and performance, but the materials used in such research (e.g., word lists) rarely reflect the complexity of material presented in medical school. The present study examined whether emotions influence learning of basic science principles. METHOD: Fifty-five undergraduate psychology students were randomly assigned to write about positive, negative, or neutral life events for nine minutes...
November 2016: Academic Medicine: Journal of the Association of American Medical Colleges
Andreas Gollner, Dorothea Rudolph, Heribert Arnhof, Markus Bauer, Sophia Maria Blake, Guido Boehmelt, Xiao-Ling Cockcroft, Georg Dahmann, Peter Ettmayer, Thomas Gerstberger, Jale Karolyi-Oezguer, Dirk Kessler, Christiane Kofink, Juergen Ramharter, Jörg Rinnenthal, Alexander Savchenko, Renate Schnitzer, Harald Weinstabl, Ulrike Weyer-Czernilofsky, Tobias Wunberg, Darryl B McConnell
Scaffold modification based on Wang´s pioneering MDM2-p53 inhibitors led to novel, chemically stable spiro-oxindole compounds bearing a spiro[3H-indole-3,2´-pyrrolidin]-2(1H)-one scaffold that are not prone to epimerization as observed for the initial spiro[3H-indole-3,3´-pyrrolidin]-2(1H)-one scaffold. Further structure based optimization inspired by natural product architectures led to a complex fused ring system ideally suited to bind to the MDM2 protein and to interrupt its protein-protein interaction (PPI) with TP53...
October 24, 2016: Journal of Medicinal Chemistry
Bethany L Mundy-Bosse, Steven D Scoville, Li Chen, Kathleen McConnell, Hsiaoyin C Mao, Elshafa H Ahmed, Nicholas Zorko, Sophia Harvey, Jordan Cole, Xiaoli Zhang, Stefan Costinean, Carlo M Croce, Karilyn Larkin, John C Byrd, Sumithira Vasu, William Blum, Jianhua Yu, Aharon G Freud, Michael A Caligiuri
Natural killer (NK) cells can have potent antileukemic activity following haplo-mismatched, T cell-depleted stem cell transplantations for the treatment of acute myeloid leukemia (AML), but they are not successful in eradicating de novo AML. Here, we have used a mouse model of de novo AML to elucidate the mechanisms by which AML evades NK cell surveillance. NK cells in leukemic mice displayed a marked reduction in the cytolytic granules perforin and granzyme B. Further, as AML progressed, we noted the selective loss of an immature subset of NK cells in leukemic mice and in AML patients...
October 24, 2016: Journal of Clinical Investigation
Jessica M Andriolo, Richard J Rossi, Casey A McConnell, Baili I Connors, Kevin Trout, M K Hailer, Marisa L Pedulla, Jack L Skinner
The Centers for Disease Control and Prevention have estimated that each year, two million people in the United States become infected with antibiotic-resistant bacteria, of which, approximately 23 000 die as a direct result of these infections. Phage therapy, or the treatment of bacterial infection by specific, antagonistic viruses, provides one alternative to traditional antibiotics. Bacteriophages, or phages, are bacteriaspecific viruses that possess biological traits that allow for not only the removal of bacterial infection, but also the evasion of bacterial resistance which renders antibiotics ineffective...
October 19, 2016: IEEE Transactions on Nanobioscience
Samriddha Ray, Norika Chiba, Changfu Yao, Xiangrong Guan, Alicia M McConnell, Brian Brockway, Loretta Que, Jonathan L McQualter, Barry R Stripp
Recent studies have implicated keratin 5 (KRT5)(+) cells in repopulation of damaged lung tissue following severe H1N1 influenza virus infection. However, the origins of the cells repopulating the injured alveolar region remain controversial. We sought to determine the cellular dynamics of lung repair following influenza infection and define whether nascent KRT5(+) cells repopulating alveolar epithelium were derived from pre-existing alveolar or airway progenitor cells. We found that the wound-healing response begins with proliferation of SOX2(+) SCGB1A1(-) KRT5(-) progenitor cells in airways...
October 20, 2016: Stem Cell Reports
Tracey McConnell, Sam Porter
OBJECTIVE: Music therapy has experienced a rising demand as an adjunct therapy for symptom management among palliative care patients. We conducted a realist review of the literature to develop a greater understanding of how music therapy might benefit palliative care patients and the contextual mechanisms that promote or inhibit its successful implementation. METHOD: We searched electronic databases (CINAHL, Embase, Medline, and PsychINFO) for literature containing information on music therapy for palliative care...
October 24, 2016: Palliative & Supportive Care
Uma Mahadevan, Ryan A McConnell, Christina Chambers
The management of the pregnant patient with inflammatory bowel disease (IBD) is complicated by multiple providers, misinformation and a disease entity that, particularly when active, can adversely affect pregnancy outcomes. This paper seeks to frame the debate on medication safety in pregnancy and lactation using the Food and Drug Administration's new Pregnancy and Lactation Labeling Rule (PLLR) and the most up to date safety information to discuss the risks and benefits of using each class of IBD medication...
October 18, 2016: Gastroenterology
Michael McConnell, Rajendra Kumar, Behrang Amini, Patrick P Lin, Wei-Lien Wang
We present the case of an 83-year-old man who had painful swelling of right knee for 6 months. Radiographs showed a large intra-articular soft-tissue mass with small calcifications, whereas MRI detected a multilobulated intra-articular tumor with bone erosions at the distal femur. Histopathology of ultrasound-guided biopsy specimen of the synovial mass revealed it to be a poorly differentiated metastatic carcinoma. Abdominal computed tomography with intravenous contrast medium administration found a heterogeneously enhancing large right renal mass with calcifications, which was shown to be a renal cell carcinoma on histopathology...
October 20, 2016: Skeletal Radiology
Bonnie B McConnell
Drawing on ethnographic research with kanyeleng fertility society performers and health workers in The Gambia (2012-2013), this paper uses a social capital approach to analyze the relationship between musical performance and health communication. Health communication research has demonstrated the important role of social capital in mediating the impact of interventions. Music research has drawn attention to performance as a site in which social relationships and obligations are produced and negotiated. In this paper, I bring these two perspectives together in order to open up new ways of thinking about musical performance as a culturally appropriate strategy in health communication...
September 19, 2016: Social Science & Medicine
Emma Elison, Louise K Vigsnaes, Laura Rindom Krogsgaard, Julie Rasmussen, Nikolaj Sørensen, Bruce McConnell, Thierry Hennet, Morten O A Sommer, Peter Bytzer
The gut microbiota has been established as an important player influencing many aspects of human physiology. Breast milk, the first diet for an infant, contains human milk oligosaccharides (HMO) that shape the infant's gut microbiota by selectively stimulating the growth of specific bacteria, especially bifidobacteria. In addition to their bifidogenic activity, the ability of HMO to modulate immune function and the gut barrier makes them prime candidates to restore a beneficial microbiota in dysbiotic adults and provide health benefits...
October 2016: British Journal of Nutrition
Elizabeth A McConnell, Michelle Birkett, Brian Mustanski
PURPOSE: Lesbian, gay, bisexual, and transgender (LGBT) adolescents are at greater risk for mental health problems than their heterosexual peers, in part due to victimization. Social support, particularly from families, has been identified as an important promotive factor. However, little is known about how LGBT youth experience multiple forms of support or how early support predicts mental health across adolescence and into young adulthood. METHODS: In an analytic sample of 232 LGBT youth aged 16-20 years at baseline across 5...
October 1, 2016: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
Evan P McConnell, Robin M Queen
BACKGROUND: Functional recovery following total ankle arthroplasty (TAA) is assessed with patient-reported metrics, but physical performance tests may allow for a more accurate assessment of patient function. We quantified correlations between patient-reported measures and physical performance tests in patients after TAA to determine the usefulness of physical performance tests in post-TAA assessment. METHODS: In total, 140 patients with end-stage ankle osteoarthritis were assessed prior to TAA and again at 12 and 24 months postoperatively...
October 2, 2016: Foot & Ankle International
Cynthia Gobbi Alves Araújo, Christiane de Souza Guerino Macedo, Daiene Ferreira, Leonardo Shigaki, Rubens A da Silva
: The purpose of this study was to assess the effect of patellar taping on muscle activation of the knee and hip muscles in women with Patellofemoral Pain Syndrome during five proprioceptive exercises. Forty sedentary women with syndrome were randomly allocated in two groups: Patellar Taping (based in McConnell) and Placebo (vertical taping on patella without any stretching of lateral structures of the knee). Volunteers performed five proprioceptive exercises randomly: Swing apparatus, Mini-trampoline, Bosu balance ball, Anteroposterior sway on a rectangular board and Mediolateral sway on a rectangular board...
September 21, 2016: Journal of Electromyography and Kinesiology
Toshiro Kitagawa, Hisanori Kosuge, Masaki Uchida, Yasunori Iida, Ronald L Dalman, Trevor Douglas, Michael V McConnell
PURPOSE: To evaluate Arg-Gly-Asp (RGD)-conjugated human ferritin (HFn) iron oxide nanoparticles for in vivo magnetic resonance imaging (MRI) of vascular inflammation and angiogenesis in experimental carotid disease and abdominal aortic aneurysm (AAA). MATERIALS AND METHODS: HFn was genetically engineered to express the RGD peptide and Fe3 O4 nanoparticles were chemically synthesized inside the engineered HFn (RGD-HFn). Macrophage-rich left carotid lesions were induced by ligation in FVB mice made hyperlipidemic and diabetic (n = 14), with the contralateral right carotid serving as control...
September 30, 2016: Journal of Magnetic Resonance Imaging: JMRI
Colin D Bruzewicz, Robert McConnell, John Chiaverini, Jeremy M Sage
Two-dimensional arrays of trapped-ion qubits are attractive platforms for scalable quantum information processing. Sufficiently rapid reloading capable of sustaining a large array, however, remains a significant challenge. Here with the use of a continuous flux of pre-cooled neutral atoms from a remotely located source, we achieve fast loading of a single ion per site while maintaining long trap lifetimes and without disturbing the coherence of an ion quantum bit in an adjacent site. This demonstration satisfies all major criteria necessary for loading and reloading extensive two-dimensional arrays, as will be required for large-scale quantum information processing...
2016: Nature Communications
Jonathan S Harrison, Shellaine R Frazier, Dianne D McConnell, Senan John Yasar, Nataliya Melnyk, Gratian Salaru
Acquired coagulopathies are common; uncommonly, adsorption of coagulation factors from the circulation into the tissues by pathologic amyloid exceeds the body's ability to produce factor and results in acquired factor deficiency. When amyloidosis does cause a coagulopathy, it is most often acquired factor X deficiency, but there are rare reports of amyloidosis being associated with other acquired factor deficiencies. We investigated a case of a severe bleeding diathesis, the cause of which was combined acquired factor V deficiency and concomitant acquired von Willebrand syndrome...
September 24, 2016: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
P Mathen, Y McConnell, R Yeung, D Graham, H K Warkentin, B Warkentin, K Joseph, C M Doll
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Rebecca McConnell, Jasmine Y Zheng, Edmund H Chadd, Claire Kalpakjian
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Emily G Werth, Evan W McConnell, T S Karim Gilbert, Inmaculada Couso Lianez, Carlos A Perez, Cherrel K Manley, Lee M Graves, James G Umen, Leslie M Hicks
Identifying dynamic protein phosphorylation events is critical for understanding kinase/phosphatase regulated signaling pathways. To date, protein phosphorylation and kinase expression have been examined independently in photosynthetic organisms. Presented here is a method to study the global kinome and phosphoproteome in tandem in the model photosynthetic organism, the alga Chlamydomonas reinhardtii (Chlamydomonas), using mass spectrometry-based label-free proteomics. A dual enrichment strategy targets intact protein kinases via capture on immobilized multiplexed inhibitor beads (MIBs) with subsequent proteolytic digestion of unbound proteins and peptide-based phosphorylation enrichment...
September 27, 2016: Plant Journal: for Cell and Molecular Biology
Karen Low, Tazeen Ashraf, Natalie Canham, Jill Clayton-Smith, Charu Deshpande, Alan Donaldson, Richard Fisher, Frances Flinter, Nicola Foulds, Alan Fryer, Kate Gibson, Ian Hayes, Alison Hills, Susan Holder, Melita Irving, Shelagh Joss, Emma Kivuva, Kathryn Lachlan, Alex Magee, Vivienne McConnell, Meriel McEntagart, Kay Metcalfe, Tara Montgomery, Ruth Newbury-Ecob, Fiona Stewart, Peter Turnpenny, Julie Vogt, David Fitzpatrick, Maggie Williams, Sarah Smithson
KBG syndrome is characterized by short stature, distinctive facial features, and developmental/cognitive delay and is caused by mutations in ANKRD11, one of the ankyrin repeat-containing cofactors. We describe 32 KBG patients aged 2-47 years from 27 families ascertained via two pathways: targeted ANKRD11 sequencing (TS) in a group who had a clinical diagnosis of KBG and whole exome sequencing (ES) in a second group in whom the diagnosis was unknown. Speech delay and learning difficulties were almost universal and variable behavioral problems frequent...
November 2016: American Journal of Medical Genetics. Part A
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