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Anna King, Anna Brain, Kelsey Hanson, Justin Dittmann, James Vickers, Carmen Fernandez-Martos
Disruption of leptin signalling has been implicated as playing a role in the development of Alzheimer's disease (AD). Leptin has previously been shown to be affected by amyloid-beta (Aβ)-related signalling; however, pathways that link leptin to the disease pathogenesis have not been determined. To characterize the association between increasing age-dependent Aβ levels with leptin signalling and the vulnerable brain regions in AD, we assessed the mRNA and protein expression profile of leptin and leptin receptor (Ob-Rb) at 9 and 18-month-age in APP/PS1 mice...
March 15, 2018: Metabolic Brain Disease
Richard A Crosby, Leandro Mena, Rachel Vickers Smith
The aim of this study is to determine, among young Black men who have sex with men (YBMSM), the 12-month efficacy of a single-session, clinic-based intervention promoting condom use to enhance sexual pleasure (purpose 1) and the use of condoms from the start-to-finish of anal sex (purpose 2). A pre-test, post-test randomized controlled trial was conducted, using a 12-month period of follow-up observation, in STI clinics. Data from 394 YBMSM completing baseline and 12-month follow-up assessments were analyzed...
March 9, 2018: Health Education Research
Sherry L Grace, Jose R Medina-Inojosa, Randal J Thomas, Heather Krause, Kristin S Vickers-Douglas, Brian A Palmer, Francisco Lopez-Jimenez
BACKGROUND: To assess use of antidepressants by class in relation to cardiology practice recommendations, and the association of antidepressant use with the occurrence of major adverse cardiovascular events (MACE) including death. METHODS: This is a historical cohort study of all patients who completed cardiac rehabilitation (CR) between 2002 and 2012 in a major CR center. Participants completed the Patient Health Questionnaire (PHQ-9) at the start and end of the program...
March 13, 2018: Psychotherapy and Psychosomatics
Jeffrey W Brown, Arwa Badahdah, Micah Iticovici, Tim J Vickers, David M Alvarado, Eva J Helmerhorst, Frank G Oppenheim, Jason C Mills, Matthew A Ciorba, James M Fleckenstein, Esther Bullitt
Background: Diarrheal disease from enterotoxigenic Escherichia coli (ETEC) causes significant worldwide morbidity and mortality in young children residing in endemic countries and is the leading cause of traveler's diarrhea. As ETEC enters the body through the oral cavity and cotransits the digestive tract with salivary components, we hypothesized that the antimicrobial activity of salivary proteins might extend beyond the oropharynx into the proximal digestive tract. Results: Here, we show that the salivary peptide histatin-5 binds colonization factor antigen I pili, thereby blocking adhesion of ETEC to intestinal epithelial cells...
March 8, 2018: Journal of Infectious Diseases
Ting Bao, Wanqing Iris Zhi, Emily A Vertosick, Qing Susan Li, Janice DeRito, Andrew Vickers, Barrie R Cassileth, Jun J Mao, Kimberly J Van Zee
PURPOSE: Approximately 20% of breast cancer survivors develop breast cancer-related lymphedema (BCRL), and current therapies are limited. We compared acupuncture (AC) to usual care wait-list control (WL) for treatment of persistent BCRL. METHODS: Women with moderate BCRL lasting greater than six months were randomized to AC or WL. AC included twice weekly manual acupuncture over six weeks. We evaluated the difference in circumference and bioimpedance between affected and unaffected arms...
March 8, 2018: Breast Cancer Research and Treatment
O Sagsoz, M Yildiz, A S L Hojjat Ghahramanzadeh, A Alsaran
Objective: The purpose of this study was to examine the fracture strength and surface microhardness of computer-aided design/computer-aided manufacturing (CAD/CAM) materials in vitro. Materials and Methods: Mesial-occlusal-distal inlays were made from five different CAD/CAM materials (feldspathic ceramic, CEREC blocs; leucite-reinforced ceramic, IPS Empress CAD; resin nano ceramic, 3M ESPE Lava Ultimate; hybrid ceramic, VITA Enamic; and lithium disilicate ceramic, IPS e...
March 2018: Nigerian Journal of Clinical Practice
E Arat Maden, C Altun, G Guven Polat, F Basak
Aim: The aim of this study was to evaluate the effect of fluoride, Xylitol, Probiotic, and Whitening toothpastes on the permanent teeth enamel roughness and microhardness. Materials and Methods: One hundred and twenty teeth were randomly divided into 2 groups, each group having 60 samples. G1: The group in which enamel roughness was examined (n = 60). G2: The group in which enamel microhardness was examined (n = 60). Then, these groups were randomly divided into 4 groups among themselves (n = 15)...
March 2018: Nigerian Journal of Clinical Practice
Daniel D Sjoberg, Andrew J Vickers, Melissa Assel, Anders Dahlin, Bing Ying Poon, David Ulmert, Hans Lilja
BACKGROUND: Prostate-specific antigen (PSA) screening reduces prostate cancer deaths but leads to harm from overdiagnosis and overtreatment. OBJECTIVE: To determine the long-term risk of prostate cancer mortality using kallikrein blood markers measured at baseline in a large population of healthy men to identify men with low risk for prostate cancer death. DESIGN, SETTING, PARTICIPANTS: Study based on the Malmö Diet and Cancer cohort enrolling 11 506 unscreened men aged 45-73 yr during 1991-1996, providing cryopreserved blood at enrollment and followed without PSA screening to December 31, 2014...
March 5, 2018: European Urology
Shiyu Wang, Nickolas Allen, Timothy A Vickers, Alexey S Revenko, Hong Sun, Xue-Hai Liang, Stanley T Crooke
Chemically modified antisense oligonucleotides (ASOs) with phosphorothioate (PS) linkages have been extensively studied as research and therapeutic agents. PS-ASOs can enter the cell and trigger cleavage of complementary RNA by RNase H1 even in the absence of transfection reagent. A number of cell surface proteins have been identified that bind PS-ASOs and mediate their cellular uptake; however, the mechanisms that lead to productive internalization of PS-ASOs are not well understood. Here, we characterized the interaction between PS-ASOs and epidermal growth factor receptor (EGFR)...
March 5, 2018: Nucleic Acids Research
Christos Mikropoulos, Christina G Hutten Selkirk, Sibel Saya, Elizabeth Bancroft, Emily Vertosick, Tokhir Dadaev, Charles Brendler, Elizabeth Page, Alexander Dias, D Gareth Evans, Jeanette Rothwell, Lovise Maehle, Karol Axcrona, Kate Richardson, Diana Eccles, Thomas Jensen, Palle J Osther, Christi J van Asperen, Hans Vasen, Lambertus A Kiemeney, Janneke Ringelberg, Cezary Cybulski, Dominika Wokolorczyk, Rachel Hart, Wayne Glover, Jimmy Lam, Louise Taylor, Monica Salinas, Lidia Feliubadaló, Rogier Oldenburg, Ruben Cremers, Gerald Verhaegh, Wendy A van Zelst-Stams, Jan C Oosterwijk, Jackie Cook, Derek J Rosario, Saundra S Buys, Tom Conner, Susan Domchek, Jacquelyn Powers, Margreet G E M Ausems, Manuel R Teixeira, Sofia Maia, Louise Izatt, Rita Schmutzler, Kerstin Rhiem, William D Foulkes, Talia Boshari, Rosemarie Davidson, Marielle Ruijs, Apollonia T J M Helderman-van den Enden, Lesley Andrews, Lisa Walker, Katie Snape, Alex Henderson, Irene Jobson, Geoffrey J Lindeman, Annelie Liljegren, Marion Harris, Muriel A Adank, Judy Kirk, Amy Taylor, Rachel Susman, Rakefet Chen-Shtoyerman, Nicholas Pachter, Allan Spigelman, Lucy Side, Janez Zgajnar, Josefina Mora, Carole Brewer, Neus Gadea, Angela F Brady, David Gallagher, Theo van Os, Alan Donaldson, Vigdis Stefansdottir, Julian Barwell, Paul A James, Declan Murphy, Eitan Friedman, Nicola Nicolai, Lynn Greenhalgh, Elias Obeid, Vedang Murthy, Lucia Copakova, John McGrath, Soo-Hwang Teo, Sara Strom, Karin Kast, Daniel A Leongamornlert, Anthony Chamberlain, Jenny Pope, Anna C Newlin, Neil Aaronson, Audrey Ardern-Jones, Chris Bangma, Elena Castro, David Dearnaley, Jorunn Eyfjord, Alison Falconer, Christopher S Foster, Henrik Gronberg, Freddie C Hamdy, Oskar Johannsson, Vincent Khoo, Jan Lubinski, Eli Marie Grindedal, Joanne McKinley, Kylie Shackleton, Anita V Mitra, Clare Moynihan, Gad Rennert, Mohnish Suri, Karen Tricker, Sue Moss, Zsofia Kote-Jarai, Andrew Vickers, Hans Lilja, Brian T Helfand, Rosalind A Eeles
This corrects the article DOI: 10.1038/bjc.2017.429.
March 6, 2018: British Journal of Cancer
Mariya Melnychuk, Cecilia Vindrola-Padros, Michael Aitchison, Caroline S Clarke, Naomi J Fulop, Claire Levermore, Satish B Maddineni, Caroline M Moore, Muntzer M Mughal, Catherine Perry, Kathy Pritchard-Jones, Angus I G Ramsay, David Shackley, Jonathan Vickers, Stephen Morris
BACKGROUND: The centralisation of specialist cancer surgical services across London Cancer and Greater Manchester Cancer, England, may significantly change how patients experience care. These centres are changing specialist surgical pathways for several cancers including prostate, bladder, kidney, and oesophago-gastric cancers, increasing the specialisation of centres and providing surgery in fewer hospitals. While there are potential benefits related to centralising services, changes of this kind are often controversial...
February 27, 2018: BMC Cancer
Tehmina Bharucha, Serena Vickers, Damien Ming, Sue J Lee, Audrey Dubot-Pérès, Xavier de Lamballerie, Paul N Newton
Background: Conventional descriptions of central nervous system (CNS) infections are variably categorized into clinical syndromes for patient investigation, management and research. Aetiologies of the most commonly recognized syndromes, encephalitis and meningitis, tend to be attributed predominantly to viruses and bacteria, respectively. Methods: A systematic review was performed of aetiological studies of CNS syndromes and data extracted on reported author specialities...
February 21, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
Bingyin Peng, Lars K Nielsen, Sotirios C Kampranis, Claudia E Vickers
Monoterpene production in Saccharomyces cerevisae requires the introduction of heterologous monoterpene synthases (MTSs). The endogenous farnesyl pyrosphosphate synthase (FPPS; Erg20p) competes with MTSs for the precursor geranyl pyrophosphate (GPP), which limits the production of monoterpenes. ERG20 is an essential gene that cannot be deleted and transcriptional down-regulation of ERG20 has failed to improve monoterpene production. Here, we investigated an N-degron-dependent protein degradation strategy to down-regulate Erg20p activity...
February 19, 2018: Metabolic Engineering
Amit Kumar, Wai Teng Yap, Soo Leong Foo, Teck Kheng Lee
The effects of the sterilization process have been studied on medical grade thermoplastic polyetheretherketone (PEEK). For a reusable medical device, material reliability is an important parameter to decide its lifetime, as it will be subjected to the continuous steam sterilization process. A spring nature, clip component was selected out of a newly designed medical device (patented) to perform this reliability study. This clip component was sterilized for a predetermined number of cycles (2, 4, 6, 8, 10, 20…100) at 121 °C for 30 min...
February 21, 2018: Bioengineering
Melissa J Assel, Axel Gerdtsson, Daniel L J Thorek, Sigrid V Carlsson, Johan Malm, Peter T Scardino, Andrew Vickers, Hans Lilja, David Ulmert
Objectives: To evaluate whether anthropometric parameters add to PSA measurements in middle-aged men for risk assessment of prostate cancer (PCa) diagnosis and death. Results: After adjusting for PSA, both BMI and weight were significantly associated with an increased risk of PCa death with the odds of a death corresponding to a 10 kg/m2 or 10 kg increase being 1.58 (95% CI 1.10, 2.28; p = 0.013) and 1.14 (95% CI 1.02, 1.26; p = 0.016) times greater, respectively...
January 19, 2018: Oncotarget
Benjamin L Schulz, Toan K Phung, Michele Bruschi, Agnieszka Janusz, Jeff Stewart, John Mehan, Peter Healy, Amanda S Nouwens, Glen P Fox, Claudia E Vickers
Modern beer production is a complex industrial process. However, some of its biochemical details remain unclear. Using mass spectrometry proteomics, we have performed a global untargeted analysis of the proteins present across time during nano-scale beer production. Samples included sweet wort produced by a high temperature infusion mash, hopped wort, and bright beer. This analysis identified over 200 unique proteins from barley and yeast, emphasizing the complexity of the process and product. We then used data independent SWATH-MS to quantitatively compare the relative abundance of these proteins throughout the process...
February 19, 2018: Journal of Proteome Research
Selwyn M Vickers
I have considered it a great pleasure and tremendous honor to serve as the 129th president of the Southern Surgical Association (SSA). I'd like to share with you the impact of critical partnerships in American surgery, which have gone beyond societal and cultural norms of the times to empower the SSA to be an example and model for America in today's challenging times.
February 13, 2018: Journal of the American College of Surgeons
Yong-Deok Im, Kwang-Suk Park, Kuk-Hyun Song
This study was carried out to evaluate the development of microstructures and mechanical properties on friction welded dissimilar materials with a light weight. For this work, Al6063 and Duralumin alloys with a shape of rod were selected as experimental materials, and friction welding was performed under conditions with a rotation speed of 2,000 RPM, a friction load of 12 kgf/cm2 and an upset force of 25 kgf/cm2, respectively. After welding, the microstructural analysis such as the grain boundary characteristic distributions and the formation of intermetallic compounds was analyzed by electron back-scattering diffraction method and transmission electron microscopy, respectively...
March 1, 2018: Journal of Nanoscience and Nanotechnology
Hongtao Liu, Zhixiong Li, Jianmei Wang, Chenxing Sheng, Wanli Liu
Sliding bearing maintenance is crucial for reducing the cost and extending the service life. An efficient and practical solution is to coat a restorative agent onto the worn/damaged bearings. Traditional pure-copper (Cu) coating results in a soft surface and poor abrasion resistance. To address this issue, this paper presents a nano-composite repairing coating method. A series of nano-Al/Cu coatings were prepared on the surface of 45 steel by composite electro-brush plating (EBP). Their micro-hardness was examined by a MHV-2000 Vickers hardness tester, and tribological properties by a UMT-2M Micro-friction tester, 3D profiler and SEM...
March 1, 2018: Journal of Nanoscience and Nanotechnology
Yong-Deok Im, Kwang-Suk Park, Kuk-Hyun Song
In this study, the microstructure and mechanical property of Al/Cu clad material fabricated by differential speed rolling at room temperature were evaluated. Al and Cu plates were prepared and mechanically cladded at a differential speed ratio of 2:1 between the upper and lower rolls. Post- heat-treatment was carried out after the mechanical cladding at 400 °C for 60 min to induce the formation of intermetallic compound layers at the bonded interface of Al/Cu. As a result, differential speed rolling afforded a soundly cladded interface without any defects such as voids and cracks...
March 1, 2018: Journal of Nanoscience and Nanotechnology
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