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Monica Raina, Amber M Bates, Carol L Fischer, Ann Progulske-Fox, Taher Abbasi, Shireen Vali, Kim A Brogden
BACKGROUND: Matrix metalloproteinases (MMPs) are zinc- or calcium-dependent proteinases involved in normal maintenance of extracellular matrix. When elevated, they contribute to the tissue destruction seen in periodontal disease. Recently, we found that human beta defensin 3 (HBD3), a cationic antimicrobial peptide, alters chemokine and proinflammatory cytokine responses in human myeloid dendritic cells exposed to Porphyromonas gingivalis hemagglutinin B (HagB). In this study, the hypotheses that HagB induces MMP production in dendritic cells and that HBD3 mixed with HagB prior to treatment alters HagB-induced MMP profiles were tested...
March 2018: Journal of Periodontology
Carol Kelly, James D Chalmers, Iain Crossingham, Nicola Relph, Lambert M Felix, David J Evans, Stephen J Milan, Sally Spencer
BACKGROUND: Bronchiectasis is a chronic respiratory disease characterised by abnormal and irreversible dilatation and distortion of the smaller airways. Bacterial colonisation of the damaged airways leads to chronic cough and sputum production, often with breathlessness and further structural damage to the airways. Long-term macrolide antibiotic therapy may suppress bacterial infection and reduce inflammation, leading to fewer exacerbations, fewer symptoms, improved lung function, and improved quality of life...
March 15, 2018: Cochrane Database of Systematic Reviews
Vonn Walter, Xiaoying Yin, Matthew D Wilkerson, Christopher R Cabanski, Ni Zhao, Ying Du, Mei Kim Ang, Michele C Hayward, Ashley H Salazar, Katherine A Hoadley, Karen Fritchie, Charles J Sailey, Mark C Weissler, William W Shockley, Adam M Zanation, Trevor Hackman, Leigh B Thorne, William D Funkhouser, Kenneth L Muldrew, Andrew F Olshan, Scott H Randell, Fred A Wright, Carol G Shores, D Neil Hayes
[This corrects the article DOI: 10.1371/journal.pone.0056823.].
2018: PloS One
Eleni M Rettig, Carole Fakhry, Russell K Hales, Flora Kisuule, Harry Quon, Ana P Kiess, Linda X Yin, Yuehan Zhang, Amanda L Blackford, M Bradley Drummond, Christine G Gourin, Wayne M Koch, David W Eisele, Gypsyamber D'Souza
BACKGROUND: Smoking among patients with cancer is associated with poor outcomes, however, smoking cessation interventions have had limited success. METHODS: This randomized controlled trial compared a novel smoking cessation intervention ("intervention") with enhanced usual care ("control"). Participants were smokers with head and neck or thoracic malignancies undergoing radiation. Controls received brief counseling. Intervention participants received intensive counseling, pharmacotherapy, text-messaging, and financial incentives...
March 15, 2018: Head & Neck
Hanna Ferløv Schwensen, Carol Kan, Janet Treasure, Niels Høiby, Magnus Sjögren
PURPOSE: Anorexia nervosa (AN) is a poorly understood and often chronic condition. Deviations in the gut microbiota have been reported to influence the gut-brain axis in other disorders. Therefore, if present in AN, it may impact on symptoms and illness progression. A review of the gut microbiota studies in AN is presented. METHOD: A literature search on PubMed yielded 27 articles; 14 were selected and based on relevance, 9 articles were included. The findings were interpreted in the larger context of preclinical research and clinical observations...
March 14, 2018: Eating and Weight Disorders: EWD
Carol Cremin, Sarah Howard, Lyly Le, Aly Karsan, David F Schaeffer, Daniel Renouf, Kasmintan A Schrader
Background: Approximately 5% to 10% of pancreatic ductal adenocarcinoma (PDAC) has a hereditary basis. In most of these defined hereditary cancer syndromes, PDAC is not the predominant cancer type. Traditional criteria for publicly funded genetic testing typically require the presence of a set combination of the predominant syndrome-associated cancer types in the family history.We report the identification of a CDKN2A pathogenic variant in a PDAC-prone family without the cutaneous features of multiple moles or melanoma that are characteristic of the Familial Atypical Multiple Mole Melanoma (FAMMM) Syndrome identified in a universal testing algorithm for inherited mutations in pancreatic cancer patients...
2018: Hereditary Cancer in Clinical Practice
Redhouane Abdellaoui, Pierre Foulquié, Nathalie Texier, Carole Faviez, Anita Burgun, Stéphane Schück
BACKGROUND: Medication nonadherence is a major impediment to the management of many health conditions. A better understanding of the factors underlying noncompliance to treatment may help health professionals to address it. Patients use peer-to-peer virtual communities and social media to share their experiences regarding their treatments and diseases. Using topic models makes it possible to model themes present in a collection of posts, thus to identify cases of noncompliance. OBJECTIVE: The aim of this study was to detect messages describing patients' noncompliant behaviors associated with a drug of interest...
March 14, 2018: Journal of Medical Internet Research
Duy Vu Tran, Carol S North
OBJECTIVE: The purpose of this study was to investigate potential association between psychopathology and subjective evaluation of the experience of debriefing in disaster-exposed rescue and recovery workers. METHODS: Structured diagnostic interviews for DSM-III-R psychiatric disorders were conducted with 166 firefighters who served as rescue and recovery workers for the 1995 Oklahoma City bombing, who categorized their satisfaction with the debriefing on 4 levels...
March 15, 2018: Disaster Medicine and Public Health Preparedness
Vanessa Koehlé-Divo, Carole Cossu-Leguille, Sandrine Pain-Devin, Cécile Simonin, Carole Bertrand, Bénédicte Sohm, Catherine Mouneyrac, Simon Devin, Laure Giambérini
The rapid development of nanotechnology and the increased use of nanomaterials in products used in everyday life have raised the question of the potential release of nanoparticles into the aquatic environment. Their fate and effects in natural ecosystems are not currently well understood but harmful effects of nanoparticles have been demonstrated at low concentrations on some freshwater and marine species. Cerium dioxide nanoparticles (CeO2 NPs) are produced in large quantities and used in products in many different fields, such as automotives or optics...
February 27, 2018: Aquatic Toxicology
Jessica MacLean, Tamara MacDonald, Carol Digout, Nadine Smith, Krista Rigby, Ketan Kulkarni
BACKGROUND: Central venous catheter (CVC) dysfunction is a common complication among pediatric cancer patients. Tissue plasminogen activator (tPA) is administered to resolve CVC dysfunction. The present study was designed to determine risk factors associated with requirement of tPA for CVC dysfunction and to assess the clinical impact of CVC dysfunction in terms of CVC loss and venous thrombotic events (VTE). PROCEDURE: Case records of all pediatric patients with cancer from the Maritimes, Canada were reviewed following ethics approval...
March 14, 2018: Pediatric Blood & Cancer
Boris A Zakharov, Adam A L Michalchuk, Carole A Morrison, Elena V Boldyreva
The thermosalient effect (crystal jumping on heating) attracts much attention as both an intriguing academic phenomenon and in relation to its potential for the development of molecular actuators but its mechanism remains unclear. 1,2,4,5-Tetrabromobenzene (TBB) is one of the most extensively studied thermosalient compounds that has been shown previously to undergo a phase transition on heating, accompanied by crystal jumping and cracking. The difference in the crystal structures and intermolecular interaction energies of the low- and high-temperature phases is, however, too small to account for the large stress that arises over the course of the transformation...
March 14, 2018: Physical Chemistry Chemical Physics: PCCP
Carole Therasse, Isabelle Fusier, Anne-Laure Cordonnier, Florence Bérard, Olivier Parent de Curzon, François Bocquet, Pascal Paubel
AIM: Erythropoiesis-stimulating agents (ESAs) are particularly used to treat dialysis patients suffering from anemia due to renal failure. Since March 2014, ESAs have no longer been funded on top-of-diagnosis-related groups (DRGs) in French hospitals and are funded via DRGs. There are two ways to fund dialysis in French hospitals: the 'DRG for dialysis in session' and the 'off-dialysis DRG', which is not a DRG and consists in a supplement tariff specific to dialysis for patients hospitalized for another main reason than dialysis...
March 14, 2018: Journal of Comparative Effectiveness Research
Linda X Yin, Gypsyamber D'Souza, William H Westra, Steven J Wang, Annemieke van Zante, Yuehan Zhang, Eleni M Rettig, William R Ryan, Patrick K Ha, Alicia Wentz, Wayne Koch, David W Eisele, Carole Fakhry
OBJECTIVES/HYPOTHESIS: Human papillomavirus (HPV)-positive and HPV-negative oropharyngeal squamous cell carcinoma (OPSCC) are distinct disease entities. Prognostic factors specific to each entity have not been adequately explored. Goals for this study were: 1) to determine whether HPV-positive and HPV-negative OPSCCs have distinct prognostic factors, and 2) to explore the prognostic significance of sex and race in OPSCC after HPV stratification STUDY DESIGN: Retrospective case series...
March 14, 2018: Laryngoscope
Carole Sourbier, Pei-Jyun Liao, Christopher J Ricketts, Darmood Wei, Youfeng Yang, Sarah M Baranes, Benjamin K Gibbs, Lernik Ohanjanian, L Spencer Krane, Bradley T Scroggins, J Keith Killian, Ming-Hui Wei, Toshiki Kijima, Paul S Meltzer, Deborah E Citrin, Len Neckers, Cathy D Vocke, W Marston Linehan
Papillary renal cell carcinomas (PRCC) are a histologically and genetically heterogeneous group of tumors that represent 15-20% of all kidney neoplasms and may require diverse therapeutic approaches. Alteration of the NF2 tumor suppressor gene, encoding a key regulator of the Hippo signaling pathway, is observed in 22.5% of PRCC. The Hippo signaling pathway controls cell proliferation by regulating the transcriptional activity of Yes-Associated Protein, YAP1. Loss of NF2 results in aberrant YAP1 activation...
February 13, 2018: Oncotarget
Ming Zhao, Hongxiang Zhang, Hong Yan, Lu Qiu, Carol C Baskin
Since seed reserves can influence seed germination, the quantitative and qualitative differences in seed reserves may relate to the germination characteristics of species. The purpose of our study was to evaluate the correlation between germination and seed reserves, as well as their mobilization during germination of six grassland species ( Chloris virgata , Kochia scoparia , Lespedeza hedysaroides , Astragalus adsurgens , Leonurus artemisia , and Dracocephalum moldavica ) and compare the results with domesticated species...
2018: Frontiers in Plant Science
Laurel J Gabard-Durnam, Adriana S Mendez Leal, Carol L Wilkinson, April R Levin
Electroenchephalography (EEG) recordings collected with developmental populations present particular challenges from a data processing perspective. These EEGs have a high degree of artifact contamination and often short recording lengths. As both sample sizes and EEG channel densities increase, traditional processing approaches like manual data rejection are becoming unsustainable. Moreover, such subjective approaches preclude standardized metrics of data quality, despite the heightened importance of such measures for EEGs with high rates of initial artifact contamination...
2018: Frontiers in Neuroscience
Natalie C Rollick, Devin B Lemmex, Yohei Ono, Carol R Reno, David A Hart, Ian Ky Lo, Gail M Thornton
Background: When considering the "joint as an organ", the tissues in a joint act as complementary components of an organ, and the "set point" is the cellular activity for homeostasis of the joint tissues. Even in the absence of injury, joint tissues have adaptive responses to processes, like aging and menopause, which result in changes to the set point. Purpose: The purpose of this study in a preclinical model was to investigate age-related and menopause-related changes in knee-joint tissues with the hypothesis that tissues will change in unique ways that reflect their differing contributions to maintaining joint function (as measured by joint laxity) and the differing processes of aging and menopause...
2018: Clinical Interventions in Aging
Francis K W Wong, Albert P C Chan, Andy K D Wong, Carol K H Hon, Tracy N Y Choi
A study on electrical and mechanical (E&M) works-related accidents for public sector projects provided the opportunity to gain a better understanding of the causes of accidents by analyzing the circumstances of all E&M works accidents. The research aims to examine accidents of E&M works which happened in public sector projects. A total of 421 E&M works-related accidents in the "Public Works Programme Construction Site Safety and Environmental Statistics" (PCSES) system were extracted for analysis...
March 10, 2018: International Journal of Environmental Research and Public Health
David Taïeb, Abhishek Jha, Carole Guerin, Ying Pang, Karen T Adams, Clara C Chen, Pauline Romanet, Philippe Roche, Wassim Essamet, Alexander Ling, Martha M Quezado, Frédéric Castinetti, Fréderic Sebag, Karel Pacak
Context: MYC associated factor X (MAX) has been recently described as a new susceptibility pheochromocytoma (PHEO) gene with a total of approximately 40 reported cases. At present, no study has specifically described the functional imaging phenotype of MAX-related PHEO. Objective, Patients, and Design: The objective of this study was to present our experience with contrast-enhanced CT and 18F-FDOPA PET/CT imaging in 6 consecutive patients (4 at initial diagnosis and 2 at follow-up evaluation) with rare but clinically important MAX-related PHEOs...
March 8, 2018: Journal of Clinical Endocrinology and Metabolism
Long The Nguyen, Hui Chen, Crystal Mak, Amgad Zaky, Carol Pollock, Sonia Saad
Recent studies indicate that SIRT1, an important metabolic sensor and regulator of lifespan, plays a mechanistic role in maternal obesity-induced programming of metabolic disorders in the offspring. In this study we investigate whether SIRT1 activation in early childhood can mitigate metabolic disorders due to maternal and postnatal high-fat feeding in mice. Male offspring born to chow-fed (MC) or high-fat diet-fed dams (MHF) were weaned onto postnatal chow or high-fat diet and treated with SRT1720 (SRT, 25mg/kg/2days i...
March 13, 2018: American Journal of Physiology. Endocrinology and Metabolism
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