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https://www.readbyqxmd.com/read/28527373/-i-don-t-believe-it-acceptance-and-skepticism-of-genetic-health-information-among-african-american-and-white-smokers
#1
Erika A Waters, Linda Ball, Sarah Gehlert
RATIONALE: Effective translation of genomics research into practice depends on public acceptance of genomics-related health information. OBJECTIVE: To explore how smokers come to accept or reject information about the relationship between genetics and nicotine addiction. METHODS: Thirteen focus groups (N = 84) were stratified by education (seven < Bachelor's degree, six ≥ Bachelor's degree) and race (eight black, five white). Participants viewed a 1-min video describing the discovery of a genetic variant associated with increased risk of nicotine addiction and lung cancer...
May 3, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28526788/zinc-resistance-within-swine-associated-methicillin-resistant-staphylococcus-aureus-mrsa-isolates-in-the-usa-is-associated-with-mlst-lineage
#2
Samantha J Hau, Timothy Frana, Jisun Sun, Peter R Davies, Tracy L Nicholson
Zinc resistance in livestock-associated methicillin resistant Staphylococcus aureus (LA-MRSA) sequence type (ST) 398 is primarily mediated by the czrC gene co-located with the mecA gene, encoding methicillin resistance, within the type V SCCmec element. Because czrC and mecA are located within the same mobile genetic element, it has been suggested that the use of in feed zinc as an antidiarrheal agent has the potential to contribute to the emergence and spread of MRSA in swine through increased selection pressure to maintain the SCCmec element in isolates obtained from pigs...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28525878/vaccine-development-for-respiratory-syncytial-virus
#3
REVIEW
Barney S Graham
Respiratory syncytial virus (RSV) is an important and ubiquitous respiratory pathogen for which no vaccine is available notwithstanding more than 50 years of effort. It causes the most severe disease at the extremes of age and in settings of immunodeficiency. Although RSV is susceptible to neutralizing antibody, it has evolved multiple mechanisms of immune evasion allowing it to repeatedly infect people despite relatively little genetic diversity. Recent breakthroughs in determining the structure and antigenic content of the fusion (F) glycoprotein in its metastable untriggered prefusion form (pre-F) and the stable rearranged postfusion form (post-F) have yielded vaccine strategies that can induce potent neutralizing antibody responses and effectively boost pre-existing neutralizing activity...
May 16, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28524757/wood-smoke-exposure-of-portuguese-wildland-firefighters-dna-and-oxidative-damage-evaluation
#4
Ana Abreu, Carla Costa, Susana Pinho E Silva, Simone Morais, Maria do Carmo Pereira, Adília Fernandes, Vanessa Moraes de Andrade, João Paulo Teixeira, Solange Costa
Portugal is among the European Union countries most devastated by forest fires each year. In the last three decades, more than 3.8 million hectares of forest were burned. Wildland firefighters are exposed to a variety of hazards, including many toxic combustion products that may lead to deleterious health effects. Epidemiological studies showed a positive association between firefighting and several chronic diseases, including cancer. Results from biomonitoring studies in firefighters, particularly concerning genotoxicity evaluation, constitute a valuable tool for investigating important occupational hazards...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28522585/herpes-simplex-virus-glycoprotein-d-targets-a-specific-dendritic-cell-subset-and-improves-the-performance-of-vaccines-to-human-papillomavirus-associated-tumors
#5
Bruna F M M Porchia, Ana Carolina R Moreno, Rodrigo N Ramos, Mariana O Diniz, Laís Helena T M de Andrade, Daniela S Rosa, José Alexandre M Barbuto, Silvia B Boscardin, Luís Carlos S Ferreira
Cervical cancer is a major public health problem and one of the leading causes of cancer deaths in women. Virtually all cases of cervical cancer, as well as a growing share of anal and head/neck tumors, are associated with human papillomavirus (HPV) infection. Despite the effectiveness, the available prophylactic vaccines do not benefit women with cervical lesions or cancer. Therefore, the search of new immunotherapeutic approaches to treat HPV-induced tumors is still a priority. The present study characterizes a therapeutic antitumor vaccine based on the genetic fusion of the Herpes simplex virus-1 (HSV-1) glycoprotein D (gD) with the E7 oncoprotein from HPV-16 (gDE7)...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28522317/the-association-between-cytochrome-p450-3a-progesterone-receptor-polymorphisms-plasma-17-ohpc-concentrations-and-spontaneous-preterm-birth
#6
Martha L Bustos, Steve N Caritis, Kathleen A Jablonski, Uma M Reddy, Yoram Sorokin, John M Thorp, Michael W Varner, Ronald J Wapner, Jay D Iams, Marshall W Carpenter, Alan M Peaceman, Brian M Mercer, Anthony Sciscione, Dwight J Rouse, Susan M Ramin
BACKGROUND: Infants born before 37 weeks' gestation are of public health concern since complications associated with preterm birth are the leading cause of mortality in children under 5 years of age and a major cause of morbidity and lifelong disability. The administration of 17-hydroxyprogesterone caproate (17-OHPC) reduces preterm birth by 33% in women with history spontaneous preterm birth (SPTB). We demonstrated previously that plasma concentrations of 17-OHPC vary widely among pregnant women and that women with 17-OHPC plasma concentrations in the lowest quartile had SPTB rates of 40% vs rates of 25% in those women with higher concentrations...
May 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28521375/a-genetic-marker-associated-with-shoulder-dislocation
#7
Stuart Kim, John P Kleimeyer, Marwa A Ahmed, Andy L Avins, Michael Fredericson, Jason L Dragoo, John P A Ioannidis
Shoulder dislocations are common shoulder injuries associated with athletic activity in contact sports, such as football, rugby, wrestling, and hockey. Identifying genetic loci associated with shoulder dislocation could shed light on underlying mechanisms for injury and identify predictive genetic markers. To identify DNA polymorphisms associated with shoulder dislocation, a genome-wide association screen was performed using publically available data from the Research Program in Genes, Environment and Health including 662 cases of shoulder dislocation and 82 602 controls from the European ancestry group...
May 18, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28521213/phylogenetic-analysis-of-an-epidemic-outbreak-of-acute-hepatitis-c-in-hiv-infected-patients-by-ultra-deep-pyrosequencing
#8
Noelia Caro-Pérez, María Martínez-Rebollar, Josep Gregori, Josep Quer, Patricia González, Martina Gambato, Neris García-González, Fernando González-Candelas, Josep Costa, Juan Ignacio Esteban, Josep Mallolas, Xavier Forns, Montse Laguno, Sofía Pérez-Del-Pulgar
BACKGROUND: The incidence of acute hepatitis C (AHC) among HIV-infected men who have sex with men (MSM) has increased significantly in the last 10 years. Several studies point to a social and sexual network of HIV-positive MSM that extends internationally. OBJECTIVES: The aim of our study was to investigate the dynamics of HCV transmission in an outbreak of AHC in HIV-infected MSM in Barcelona by ultra-deep pyrosequencing. STUDY DESIGN: Between 2008 and 2013, 113 cases of AHC in HIV-infected MSM were diagnosed in the Infectious Diseases Unit, Hospital Clínic, Barcelona...
May 10, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28515345/genetic-factors-associated-with-risk-of-metabolic-syndrome-and-hepatocellular-carcinoma
#9
Ranran Tang, Heng Liu, Yingdi Yuan, Kaipeng Xie, Pengfei Xu, Xiaoyun Liu, Juan Wen
Although the metabolic syndrome is a commonplace topic, its potential threats to public health is a problem that cannot be neglected. As the living conditions improved significantly over the past few years, the morbidity of metabolic syndrome has also steadily risen, and the onset age is becoming younger. The hepatocellular carcinoma (HCC), is one of the most prevalent life-threatening human cancers worldwide, incidence of which is also on the rise, gradually occupied the top of the list associated with metabolic syndrome related complication...
March 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28513616/complementariness-between-medical-geneticists-and-genetic-counsellors-its-added-value-in-genetic-services-in-europe
#10
Milena Paneque, Clara Serra-Juhé, Rebecka Pestoff, Christophe Cordier, João Silva, Ramona Moldovan, Charlotta Ingvoldstad
Clinical genetic services have progressed significantly the last few decades. This has led to the need for non-medical health-care professionals working as genetic counsellors in Europe and worldwide. However, there is no unified approach to genetic counsellors' role in health-care services in Europe, as in most countries the profession is still emerging and the educational backgrounds diverge noticeably, within and between countries. This qualitative study aims to describe the potential added value of genetic counsellors in clinical genetics teams and to explore their tasks and responsibilities in different European countries...
May 17, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28512627/laboratory-mice-are-frequently-colonized-with-staphylococcus-aureus-and-mount-a-systemic-immune-response-note-of-caution-for-in-vivo-infection-experiments
#11
Daniel Schulz, Dorothee Grumann, Patricia Trübe, Kathleen Pritchett-Corning, Sarah Johnson, Kevin Reppschläger, Janine Gumz, Nandakumar Sundaramoorthy, Stephan Michalik, Sabine Berg, Jens van den Brandt, Richard Fister, Stefan Monecke, Benedict Uy, Frank Schmidt, Barbara M Bröker, Siouxsie Wiles, Silva Holtfreter
Whether mice are an appropriate model for S. aureus infection and vaccination studies is a matter of debate, because they are not considered as natural hosts of S. aureus. We previously identified a mouse-adapted S. aureus strain, which caused infections in laboratory mice. This raised the question whether laboratory mice are commonly colonized with S. aureus and whether this might impact on infection experiments. Publicly available health reports from commercial vendors revealed that S. aureus colonization is rather frequent, with rates as high as 21% among specific-pathogen-free mice...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28511181/1-cmdb-a-curated-database-of-genomic-variations-of-the-one-carbon-metabolism-pathway
#12
Manoj K Bhat, Veerendra P Gadekar, Aditya Jain, Bobby Paul, Padmalatha S Rai, Kapaettu Satyamoorthy
BACKGROUND: The one-carbon metabolism pathway is vital in maintaining tissue homeostasis by driving the critical reactions of folate and methionine cycles. A myriad of genetic and epigenetic events mark the rate of reactions in a tissue-specific manner. Integration of these to predict and provide personalized health management requires robust computational tools that can process multiomics data. The DNA sequences that may determine the chain of biological events and the endpoint reactions within one-carbon metabolism genes remain to be comprehensively recorded...
May 17, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28508225/plasmid-based-reverse-genetics-of-influenza-a-virus
#13
Daniel R Perez, Matthew Angel, Ana Silvia Gonzalez-Reiche, Jefferson Santos, Adebimpe Obadan, Luis Martinez-Sobrido
Influenza A viruses have broad host range with a recognized natural reservoir in wild aquatic birds. From this reservoir, novel strains occasionally emerge with the potential to establish stable lineages in other avian and mammalian species, including humans. Understanding the molecular changes that allow influenza A viruses to change host range is essential to better assess their animal and public health risks. Reverse genetics systems have transformed the ability to manipulate and study negative strand RNA viruses...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28507465/distribution-of-polymorphic-variants-of-cyp2a6-and-their-involvement-in-nicotine-addiction
#14
REVIEW
Luis A López-Flores, Gloria Pérez-Rubio, Ramcés Falfán-Valencia
Tobacco consumption has become a major public health issue, which has motivated studies to identify and understand the biological processes involved in the smoking behavior for prevention and smoking cessation treatments. CYP2A6 has been identified as the main gene that codifies the enzyme that metabolizes nicotine. Many alleles have been identified after the discovery of CYP2A6, suggesting a wide interethnic variability and a diverse smoking behavior of the allele carrying individuals. The main purpose of this review is to update and highlight the effects of the CYP2A6 gene variability related to tobacco consumption reported from diverse human populations...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28507409/toxoplasma-gondii-type-i-predominant-genotype-isolated-from-sheep-in-south-of-iran
#15
Belal Armand, Kavous Solhjoo, Manoochehr Shabani Kordshooli, Mohammad Hasan Davami, Morteza Pourahmad, Vahideh Orfaee
AIM: This study was performed to determine the genetic diversity of Toxoplasma gondii in sheep using nested-polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) in Southern Iran. MATERIALS AND METHODS: The tissue samples of diaphragm and heart from 125 sheep were collected from the main slaughterhouses of Jahrom district in South of Fars province, Iran, between Aprils and June 2013. The DNA were extracted and analyzed by nested-PCR using specific primers for SAG2 and GRA6 loci...
April 2017: Veterinary World
https://www.readbyqxmd.com/read/28507104/genetic-characterization-of-broad-host-range-incq-plasmids-harboring-blaveb-18-in-vibrio-spp
#16
Ruichao Li, Lianwei Ye, Zhiwei Zheng, Edward Wai Chi Chan, Sheng Chen
Dissemination of genetic elements encoding VEB type β-lactamases among Gram-negative bacteria has become a public health concern worldwide (1, 2).….
May 15, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28506248/paraquat-and-parkinson-s-disease-a-systematic-review-protocol-according-to-the-ohat-approach-for-hazard-identification
#17
Carolina Vaccari, Regina El Dib, João Lauro V de Camargo
BACKGROUND: Parkinson's disease (PD) is a progressive neurodegenerative condition that has genetic susceptibility, aging, and exposure to certain chemicals as risk factors. In recent decades, epidemiological and experimental studies have investigated the role of pesticides in the development of PD, in particular that of the herbicide paraquat. Here, we, therefore, aim to systematically review the association between paraquat exposure and PD. METHODS: Observational studies (cohort, case-control, and cross-sectional) eligible for this systematic review will enroll any participant who was occupationally and/or environmentally exposed to paraquat...
May 15, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28504889/genetic-characterization-of-vana-enterococcus-faecium-isolates-from-wild-red-legged-partridges-in-portugal
#18
Vanessa Silva, Gilberto Igrejas, Isabel Carvalho, Fernando Peixoto, Lucas Cardoso, José Eduardo Pereira, Rosa Del Campo, Patricia Poeta
Vancomycin-resistant enterococci (VRE) have been detected in wild animals representing a public health concern. The red-legged partridge (Alectoris rufa) is a common game bird and its meat is consumed in several countries, including Portugal. Three hundred five fecal samples of red-legged partridge from the north of Portugal were screened for VRE. Samples were cultured on Slanetz-Bartley agar supplemented with vancomycin (4 mg/L) and six vanA-Enterococcus faecium were recovered. Isolates were tested for antibiotic resistance and virulence genes...
May 15, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28502510/preliminary-spectrum-of-genetic-variants-in-familial-hypercholesterolemia-in-argentina
#19
Virginia G Bañares, Pablo Corral, Ana Margarida Medeiros, María Beatriz Araujo, Alfredo Lozada, Juan Bustamante, Roxana Cerretini, Graciela López, Mafalda Bourbon, Laura E Schreier
BACKGROUND: Familial hypercholesterolemia (FH) is a genetic disorder characterized by elevated low-density lipoprotein cholesterol and early cardiovascular disease. As cardiovascular disease is a leading cause of mortality in Argentina, early identification of patients with FH is of great public health importance. OBJECTIVE: The aim of our study was to identify families with FH and to approximate to the characterization of the genetic spectrum mutations of FH in Argentina...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28499872/interaction-of-flavivirus-with-their-mosquito-vectors-and-their-impact-on-the-human-health-in-the-americas
#20
Anayansi Valderrama, Yamilka Diaz, Sandra López-Vergès
Some of the major arboviruses with public health importance, such as dengue, yellow fever, Zika and West Nile virus are mosquito-borne or mosquito-transmitted Flavivirus. Their principal vectors are from the family Culicidae, Aedes aegypti and Aedes albopictus being responsible of the urban cycles of dengue, Zika and yellow fever virus. These vectors are highly competent for transmission of many arboviruses. The genetic variability of the vectors, the environment and the viral diversity modulate the vector competence, in this context, it is important to determine which vector species is responsible of an outbreak in areas where many vectors coexist...
May 9, 2017: Biochemical and Biophysical Research Communications
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