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Hong Ren, Zhixiong Zhou, Wenxi Kevin Liu, Xiujiang Wang, Zenong Yin
AIM: This study examined the relationships between energy balance-related behaviours outside school hours and obesity in Chinese primary school students. We also explored the influence of gender on those relationships. METHODS: The study sample was a cross-sectional cohort of 5,032 Chinese children who were enrolled in grades 1-6 in primary schools in five Chinese cities and whose mean ages ranged from 7.3 to 11.9 years. The children's parents completed a survey on their child's height, weight and energy balance-related behaviours outside school hours...
October 19, 2016: Acta Paediatrica
F Femiano, R Femiano, L Femiano, A Jamilian, R Rullo, L Perillo
AIM: This review aims to summarise our understanding of the destructive role of acid environment and metalloproteinases in dentin caries progression using a review process. METHOD: The acids resulting from consumption of sugars by acidogenic and aciduric bacteria can cause demineralisation of the tooth surface, but are not able to cause caries-like lesions. The appearance of such lesions requires the activation of enzymatic proteolysis in an acidic environment for degradation of the dentin organic matrix, leading to cavity formation...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
Jane Landon, Tim Lobstein, Fiona Godfrey, Paula Johns, Chris Brookes, David Jernigan
Background and aims The 2011 UN Summit on Non-Communicable Disease failed to call for global action on alcohol marketing despite calls in the World Health Organization (WHO) Global Action Plan on Non-Communicable Diseases 2013-20 to restrict or ban alcohol advertising. In this paper we ask what it might take to match the global approach to tobacco enshrined in the Framework Convention on Tobacco Control (FCTC), and suggest that public health advocates can learn from the development of the FCTC and the Code of Marketing on infant formula milks and the recent recommendations on restricting food marketing to children...
October 18, 2016: Addiction
Shervin Assari, Amirmasoud Nikahd, Mohammad Reza Malekahmadi, Maryam Moghani Lankarani, Hadi Zamanian
BACKGROUND: Despite the existing literature on the central role of socioeconomic status (SES; education and income) for maintaining health, less is known about group differences in this effect. Built on the intersectionality approach, this study compared race by gender groups for the effects of baseline education and income on sustained health problems in five domains: depressive symptoms, insomnia, physical inactivity, body mass index (BMI), and self-rated health (SRH). METHODS: Data came from waves 7, 8, and 10 of the Health and Retirement Study (HRS), which were collected in 2004, 2006, and 2010, respectively...
October 17, 2016: Journal of Racial and Ethnic Health Disparities
Sheri J Hartman, Shira I Dunsiger, Beth C Bock, Britta A Larsen, Sarah Linke, Dori Pekmezi, Becky Marquez, Kim M Gans, Andrea S Mendoza-Vasconez, Bess H Marcus
Spanish-speaking Latinas have some of the lowest rates of meeting physical activity guidelines in the U.S. and are at high risk for many related chronic diseases. The purpose of the current study was to examine the maintenance of a culturally and individually-tailored Internet-based physical activity intervention for Spanish-speaking Latinas. Inactive Latinas (N  =  205) were randomly assigned to a 6-month Tailored Physical Activity Internet Intervention or a Wellness Contact Control Internet Group, with a 6-month follow-up...
October 17, 2016: Journal of Behavioral Medicine
Fang-Fei Wei, Nadja E A Drummen, Lutgarde Thijs, Lotte Jacobs, Marjolein Herfs, Cynthia Van't Hoofd, Cees Vermeer, Jan A Staessen
Vitamin-K-dependent carboxylation of matrix Gla protein (MGP) protects the macrocirculation against calcification. We recently reported in a multiethnic population study that the estimated glomerular filtration rate, a microvascular trait, decreased and the risk of chronic kidney disease increased with higher circulating levels of inactive dephospho-uncarboxylated MGP, a marker of vitamin K deficiency. These findings highlighted the possibility that vitamin K might have a beneficial effect on the renal microcirculation...
September 2016: Pulse (Basel, Switzerland)
Filipa Oliveira-Ramos, Mónica Eusébio, Fernando M Martins, Ana Filipa Mourão, Carolina Furtado, Raquel Campanilho-Marques, Inês Cordeiro, Joana Ferreira, Marcos Cerqueira, Ricardo Figueira, Iva Brito, Helena Canhão, Maria José Santos, José A Melo-Gomes, João Eurico Fonseca
OBJECTIVES: To determine how adult juvenile idiopathic arthritis (JIA) patients fulfil classification criteria for adult rheumatic diseases, evaluate their outcomes and determine clinical predictors of inactive disease, functional status and damage. METHODS: Patients with JIA registered on the Rheumatic Diseases Portuguese Register ( older than 18 years and with more than 5 years of disease duration were included. Data regarding sociodemographic features, fulfilment of adult classification criteria, Health Assessment Questionnaire, Juvenile Arthritis Damage Index-articular (JADI-A) and Juvenile Arthritis Damage Index-extra-articular (JADI-E) damage index and disease activity were analysed...
2016: RMD Open
Shohei Hayashi, Yasuharu Satoh, Tetsuro Ujihara, Yusuke Takata, Tohru Dairi
In some microorganisms, polyunsaturated fatty acids (PUFAs) are biosynthesized by PUFA synthases characterized by tandem acyl carrier proteins (ACPs) in subunit A. These ACPs were previously shown to be important for PUFA productivity. In this study, we examined their function in more detail. PUFA productivities increased depending on the number of ACPs without profile changes in each subunit A of eukaryotic and prokaryotic PUFA synthases. We also constructed derivative enzymes from subunit A with 5 × ACPs...
October 18, 2016: Scientific Reports
Quynh C Nguyen, Dapeng Li, Hsien-Wen Meng, Suraj Kath, Elaine Nsoesie, Feifei Li, Ming Wen
BACKGROUND: Studies suggest that where people live, play, and work can influence health and well-being. However, the dearth of neighborhood data, especially data that is timely and consistent across geographies, hinders understanding of the effects of neighborhoods on health. Social media data represents a possible new data resource for neighborhood research. OBJECTIVE: The aim of this study was to build, from geotagged Twitter data, a national neighborhood database with area-level indicators of well-being and health behaviors...
October 17, 2016: JMIR Public Health and Surveillance
Eun-Kyung Kwon, Chan-Ki Min, Yuri Kim, Jae-Won Lee, Abdimadiyeva Aigerim, Sebastian Schmidt, Hyun-Jun Nam, Seong Kyu Han, Kuglae Kim, Jeong Seok Cha, Hoyoung Kim, Sanguk Kim, Hyun-Soo Cho, Myung-Sik Choi, Nam-Hyuk Cho
Members of the herpesviral family use multiple strategies to hijack infected host cells and exploit cellular signaling for their pathogenesis and latent infection. Among the most intriguing weapons in the arsenal of pathogenic herpesviruses are the constitutively active virally-encoded G protein-coupled receptors (vGPCRs). Even though vGPCRs contribute to viral pathogenesis such as immune evasion and proliferative disorders, the molecular details of how vGPCRs continuously activate cellular signaling are largely unknown...
October 14, 2016: Biochimica et Biophysica Acta
Smita Gupta, Sunita Yadav, Venkatesan Suryanarayanan, Sanjeev K Singh, Jitendra K Saxena
Guanylate kinase is one of the key enzymes in nucleotide biosynthesis. The study highlights the structural and functional properties of Brugia malayi Guanylate kinase (BmGK) in the presence of chemical denaturants. An inactive, partially unfolded, dimeric intermediate was observed at 1-2M urea while GdnCl unfolding showed monomer molten globule like intermediate at 0.8-1.0M. The results also illustrate the protective role of substrates in maintaining the integrity of the enzyme. The thermo stability of protein was found to be significantly enhanced in the presence of the substrates...
October 14, 2016: International Journal of Biological Macromolecules
Rane A Harrison, Jia Lu, Martin Carrasco, John Hunter, Anuj Manandhar, Sudershan Gondi, Kenneth D Westover, John R Engen
Structural dynamics of Ras proteins contribute to their activity in signal transduction cascades. Directly targeting Ras proteins with small molecules may rely on movement of a conserved structural motif, switch II. To understand Ras signaling and advance Ras targeting strategies, experimental methods to measure Ras dynamics are required. Here we demonstrate the utility of hydrogen-deuterium exchange mass spectrometry to measure Ras dynamics by studying representatives from two branches of the Ras superfamily, Ras and Rho...
October 14, 2016: Journal of Molecular Biology
Roderick Wondergem, Martijn F Pisters, Eveline J Wouters, Nick Olthof, Rob A de Bie, Johanna M A Visser-Meily, Cindy Veenhof
BACKGROUND: Stroke is not only an acute disease, but for the majority of patients, it also becomes a chronic condition. There is a major concern about the long-term follow-up with respect to activities of daily living (ADL) in stroke survivors. Some patients seem to be at risk for decline after a first-ever stroke. The purpose of this study was to determine the course of ADL from 3 months after the first-ever stroke and onward and identify factors associated with decline in ADL. METHODS: A systematic literature search of 3 electronic databases through June 2015 was conducted...
October 18, 2016: Cerebrovascular Diseases
Carlos Gueto-Tettay, Joshua Zuchniarz, Yeyson Fortich-Seca, Luis Roberto Gueto-Tettay, Juan Carlos Drosos-Ramirez
BACE1 is an aspartyl protease which is a therapeutic target for Alzheimer's disease (AD) because of its participation in the rate-limiting step in the production of Aβ-peptide, the accumulation of which produces senile plaques and, in turn, the neurodegenerative effects associated with AD. The active site of this protease is composed in part by two aspartic residues (Asp93 and Asp289). Additionally, the catalytic site has been found to be covered by an antiparallel hairpin loop called the flap. The dynamics of this flap are fundamental to the catalytic function of the enzyme...
October 7, 2016: Journal of Molecular Graphics & Modelling
Cristina Julian, Marleen A H Lentjes, Inge Huybrechts, Robert Luben, Nick Wareham, Luis A Moreno, Kay-Tee Khaw
Vitamin D deficiency and physical inactivity have been associated with bone loss and fractures, but their combined effect has scarcely been studied either in younger or older adults. Therefore, we aimed to assess the associations between physical activity, age and 25-hydroxyvitamin D (25(OH)D) status separately and in combination with the incidence of fracture risk in the EPIC-Norfolk cohort study. Baseline (1993-1998) self-reported physical activity and serum 25(OH)D concentrations at follow-up (1998-2000) were collected in 14,624 men and women (aged 42-82 y between 1998 and 2000)...
2016: PloS One
Yoon Suk Jung, Nam Hee Kim, Seungho Ryu, Jung Ho Park, Dong Il Park, Chong Il Sohn
GOALS: We aimed to ascertain whether low relative muscle mass is associated with colorectal neoplasm (CRN) risk. BACKGROUND: CRN and sarcopenia have common pathophysiological mechanisms such as insulin resistance, chronic inflammation, and physical inactivity. However, the direct relationship between the 2 diseases has not been investigated. STUDY: A cross-sectional study was performed on 81,885 examinees who underwent colonoscopy as part of a health check-up...
October 4, 2016: Journal of Clinical Gastroenterology
Sunjoo Boo, Erika S Froelicher, Ju-Hui Yun, Ye-Won Kim, Ju-Yang Jung, Chang-Hee Suh
The purposes of this study were to compare the perceived and actual 10-year risk for cardiovascular disease (CVD) and to evaluate the influence of cardiovascular risk factors on perceived CVD risk in patients with rheumatoid arthritis (RA) in Korea. Additionally, the attainment of CVD prevention guideline goals by 3 levels of CVD risk (low, moderate, and high) was presented.For this cross-sectional study, data were collected from 208 patients with RA. Actual CVD risk was estimated with the Systematic Coronary Risk Evaluation (SCORE), and goal attainment was assessed based on the European League Against Rheumatism guidelines...
October 2016: Medicine (Baltimore)
Xiangtong Liu, Jason Peter Fine, Zhenghong Chen, Long Liu, Xia Li, Anxin Wang, Jin Guo, Lixin Tao, Gehendra Mahara, Zhe Tang, Xiuhua Guo
The competing risk method has become more acceptable for time-to-event data analysis because of its advantage over the standard Cox model in accounting for competing events in the risk set. This study aimed to construct a prediction model for diabetes using a subdistribution hazards model.We prospectively followed 1857 community residents who were aged ≥ 55 years, free of diabetes at baseline examination from August 1992 to December 2012. Diabetes was defined as a self-reported history of diabetes diagnosis, taking antidiabetic medicine, or having fasting plasma glucose (FPG) ≥ 7...
October 2016: Medicine (Baltimore)
Philippine Fassier, Laurent Zelek, Valentin Partula, Bernard Srour, Patrick Bachmann, Marina Touillaud, Nathalie Druesne-Pecollo, Pilar Galan, Patrice Cohen, Hélène Hoarau, Paule Latino-Martel, Mehdi Menai, Jean-Michel Oppert, Serge Hercberg, Mélanie Deschasaux, Mathilde Touvier
Physical activity (PA) but also reduced sedentary behavior may be associated with better prognosis and lower risk of recurrence in cancer patients. Our aim was to quantify the variations in PA and time spent sedentary between before and after diagnosis, relying on prospective data in French adults. We also investigated sociodemographic and lifestyle factors associated with these variations.Subjects (n = 942) were incident cancer cases diagnosed in the NutriNet-Santé cohort between 2009 and 2015. PA and sedentary behavior were prospectively collected with the 7-day short version of the IPAQ questionnaire every year since subjects' inclusion (i...
October 2016: Medicine (Baltimore)
Stella Cecchetti, Zuzana Tatar, Pilar Galan, Bruno Pereira, Céline Lambert, Gael Mouterde, Angela Sutton, Martin Soubrier, Maxime Dougados
OBJECTIVES: The relationship between vitamin D and rheumatoid arthritis (RA) activity remains controversial. RA is a cardiovascular risk factor. A low level of vitamin D may increase blood pressure (BP) and decrease HDL-cholesterol. OBJECTIVES: We aimed to determine the prevalence of vitamin D deficiency in RA patients compared to controls, and also to investigate the relationship between vitamin D and RA activity, and between vitamin D and cardiovascular risk factors...
September 30, 2016: Clinical and Experimental Rheumatology
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