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Public health genetics

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https://www.readbyqxmd.com/read/28441061/precisely-where-are-we-going-charting-the-new-terrain-of-precision-prevention
#1
Karen M Meagher, Michelle L McGowan, Richard A Settersten, Jennifer R Fishman, Eric T Juengst
In addition to genetic data, precision medicine research gathers information about three factors that modulate gene expression: lifestyles, environments, and communities. The relevant research tools-epidemiology, environmental assessment, and socioeconomic analysis-are those of public health sciences rather than molecular biology. Because these methods are designed to support inferences and interventions addressing population health, the aspirations of this research are expanding from individualized treatment toward precision prevention in public health...
April 24, 2017: Annual Review of Genomics and Human Genetics
https://www.readbyqxmd.com/read/28439301/prevalence-virulence-potential-and-pulsed-field-gel-electrophoresis-profiling-of-shiga-toxin-producing-escherichia-coli-strains-from-cattle
#2
Hee-Jin Dong, Soomin Lee, Woohyun Kim, Jae-Uk An, Junhyung Kim, Danil Kim, Seongbeom Cho
BACKGROUND: As a primary source of Shiga-toxin-producing Escherichia coli (STEC) infection, cattle are often targeted to develop strategies for reducing STEC contamination. Monitoring the virulence potentials of STEC isolates from cattle is important for tracing contamination sources, managing outbreaks or sporadic cases, and reducing the risks for human infection. This study aimed to investigate the prevalence of STEC in cattle farm samples in South Korea and to assess their virulence potentials...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/28438095/arcobacter-an-emerging-food-borne-zoonotic-pathogen-its-public-health-concerns-and-advances-in-diagnosis-and-control-a-comprehensive-review
#3
Thadiyam Puram Ramees, Kuldeep Dhama, Kumaragurubaran Karthik, Ramswaroop Singh Rathore, Ashok Kumar, Mani Saminathan, Ruchi Tiwari, Yashpal Singh Malik, Raj Kumar Singh
Arcobacter has emerged as an important food-borne zoonotic pathogen, causing sometimes serious infections in humans and animals. Newer species of Arcobacter are being incessantly emerging (presently 25 species have been identified) with novel information on the evolutionary mechanisms and genetic diversity among different Arcobacter species. These have been reported from chickens, domestic animals (cattle, pigs, sheep, horses, dogs), reptiles (lizards, snakes and chelonians), meat (poultry, pork, goat, lamb, beef, rabbit), vegetables and from humans in different countries...
April 25, 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28435878/evolutionary-dynamics-of-crispr-gene-drives
#4
Charleston Noble, Jason Olejarz, Kevin M Esvelt, George M Church, Martin A Nowak
The alteration of wild populations has been discussed as a solution to a number of humanity's most pressing ecological and public health concerns. Enabled by the recent revolution in genome editing, clustered regularly interspaced short palindromic repeats (CRISPR) gene drives-selfish genetic elements that can spread through populations even if they confer no advantage to their host organism-are rapidly emerging as the most promising approach. However, before real-world applications are considered, it is imperative to develop a clear understanding of the outcomes of drive release in nature...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28435249/detection-of-influenza-viruses-by-coupling-multiplex-reverse-transcription-loop-mediated-isothermal-amplification-with-cascade-invasive-reaction-using-nanoparticles-as-a-sensor
#5
Yiyue Ge, Qiang Zhou, Kangchen Zhao, Ying Chi, Bin Liu, Xiaoyan Min, Zhiyang Shi, Bingjie Zou, Lunbiao Cui
Influenza virus infections represent a worldwide public health and economic problem due to the significant morbidity and mortality caused by seasonal epidemics and pandemics. Sensitive and convenient methodologies for detection of influenza viruses are essential for further disease control. Loop-mediated isothermal amplification (LAMP) is the most commonly used method of nucleic acid isothermal amplification. However, with regard to multiplex LAMP, differentiating the ladder-like LAMP products derived from multiple targets is still challenging today...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28434050/prevalence-of-toxoplasma-gondii-infection-in-hiv-infected-patients-and-food-animals-and-direct-genotyping-of-t-gondii-isolates-southern-ghana
#6
Faustina Pappoe, Weisheng Cheng, Lin Wang, Yuanling Li, Dorcas Obiri-Yeboah, Samuel Victor Nuvor, Henock Ambachew, Xiaodong Hu, Qingli Luo, Deyong Chu, Yuanhong Xu, Jilong Shen
Toxoplasma gondii is of public health and veterinary importance causing severe diseases in immunocompromised individuals including HIV/AIDS patients and in congenital cases and animals. There is limited information on the epidemiology of T. gondii infection in humans, particularly HIV patients and food animals and the parasite genotypes in Ghana. A total of 394 HIV-infected patients from three hospitals were screened for T. gondii anti-IgG and IgM using ELISA. DNAs from blood samples of seropositve participants and 95 brain tissues of food animals were PCR assayed to detect Toxoplasma gra6...
April 22, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28427935/the-manifolded-dynamics-of-hiv-1-transmission-in-northern-alberta-a-combined-analysis-of-virus-genetic-and-public-health-data
#7
B Vrancken, D Adachi, M Benedet, A Singh, R Read, S Shafran, G D Taylor, S Houston, K Simmonds, S Plitt, C Sikora, P Lemey, C L Charlton, J W Tang
Molecular epidemiology has become a key tool for tracking infectious disease epidemics. Here, the spread of the most prevalent HIV-1 subtypes in Northern Alberta, Canada, was characterized with a Bayesian phylogenetic approach using 1146 HIV-1 pol sequences collected between 2007 and 2013 for routine clinical management purposes. Available patient metadata were qualitatively interpreted and correlated with onwards transmission using Fisher exact tests and logistic regression. Most infections were from subtypes A (n=36), B (n=815) and C (n=211)...
April 17, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28427845/development-of-a-micro-neutralization-assay-for-ebolaviruses-using-a-replication-competent-vesicular-stomatitis-hybrid-virus-and-a-quantitative-pcr-readout
#8
Stella S Lee, Kathryn Phy, Keith Peden, Li Sheng-Fowler
Development of vaccines against highly pathogenic viruses that could also be used as agents of bioterrorism is both a public health issue and a national security priority. Methods that can quantify neutralizing antibodies will likely be crucial in demonstrating vaccine effectiveness, as most licensed viral vaccines are effective due to their capacity to elicit neutralizing antibodies. Assays to determine whether antibodies are neutralizing traditionally involve infectious virus, and the assay most commonly used is the plaque-reduction neutralization test (PRNT)...
April 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28427448/capture-recapture-methodology-to-study-rare-conditions-using-surveillance-data-for-fragile-x-syndrome-and-muscular-dystrophy
#9
Michael G Smith, Julie Royer, Joshua Mann, Suzanne McDermott, Rodolfo Valdez
BACKGROUND: Rare conditions can be catastrophic for families and the implications for public health can be substantial. Our study compared basic surveillance through active medical record review with a linked administrative data file to assess the number of cases of two rare conditions, fragile X syndrome (FXS) and muscular dystrophy (MD) in a population. METHODS: Two methods of data collection were used to collect information from five counties comprising two standard metropolitan statistical areas of South Carolina...
April 21, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28426284/participatory-genomic-research-ethical-issues-from-the-bottom-up-to-the-top-down
#10
Heide Aungst, Michelle L McGowan, Jennifer R Fishman
Participatory approaches to genomic research manifest along a continuum from bottom-up citizen-science initiatives designed to liberate scientific inquiry from the constraints of traditional research institutional contexts and professional practices to top-down investigator-initiated studies designed to expose the public to scientific research processes and build their support and enthusiasm for genomic research. With foundations as varied as open science, crowdsourcing, patient advocacy, social media, the digitization of health, and the neoliberalization of academic research, a range of ethical frameworks inform the modes of participatory genomic research...
April 19, 2017: Annual Review of Genomics and Human Genetics
https://www.readbyqxmd.com/read/28425834/rift-valley-fever-vaccines-an-overview-of-the-safety-and-efficacy-of-the-live-attenuated-mp-12-vaccine-candidate
#11
Tetsuro Ikegami
Rift Valley fever (RVF) is a mosquito-borne zoonotic viral disease endemic to Africa and the Arabian Peninsula. High rates of abortion among infected ruminants and hemorrhagic fever in infected humans are major public health concerns. Commercially available veterinary RVF vaccines are important for preventing the spread of the Rift Valley fever virus (RVFV) in endemic countries; however, RVFV outbreaks continue to occur frequently in endemic countries in the 21(st) century. In the U.S., the live-attenuated MP-12 vaccine has been developed for both animal and human vaccination...
April 20, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28425621/p53-competent-cells-and-p53-deficient-cells-display-different-susceptibility-to-oxygen-functionalized-graphene-cytotoxicity-and-genotoxicity
#12
Dayton M Petibone, Thikra Mustafa, Shawn E Bourdo, Andersen Lafont, Wei Ding, Alokita Karmakar, Zeid A Nima, Fumiya Watanabe, Daniel Casciano, Suzanne M Morris, Vasily N Dobrovolsky, Alexandru S Biris
Due to the distinctive physical, electrical, and chemical properties of graphene nanomaterials, numerous efforts pursuing graphene-based biomedical and industrial applications are underway. Oxidation of pristine graphene surfaces mitigates its otherwise hydrophobic characteristic thereby improving its biocompatibility and functionality. Yet, the potential widespread use of oxidized graphene derivatives raises concern about adverse impacts on human health. The p53 tumor suppressor protein maintains cellular and genetic stability after toxic exposures...
April 20, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28424671/functional-characterization-and-conditional-regulation-of-the-type-vi-secretion-system-in-vibrio-fluvialis
#13
Yuanming Huang, Pengcheng Du, Meng Zhao, Wei Liu, Yu Du, Baowei Diao, Jie Li, Biao Kan, Weili Liang
Vibrio fluvialis is an emerging foodborne pathogen of increasing public health concern. The mechanism(s) that contribute to the bacterial survival and disease are still poorly understood. In other bacterial species, type VI secretion systems (T6SSs) are known to contribute to bacterial pathogenicity by exerting toxic effects on host cells or competing bacterial species. In this study, we characterized the genetic organization and prevalence of two T6SS gene clusters (VflT6SS1 and VflT6SS2) in V. fluvialis. VflT6SS2 harbors three "orphan" hcp-vgrG modules and was more prevalent than VflT6SS1 in our isolates...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28423808/security-policy-and-infrastructure-in-the-context-of-a-multi-centeric-information-system-dedicated-to-autism-spectrum-disorder
#14
Mohamed Ben Said, Laurence Robel, Bernard Golse, Jean Philippe Jais
Autism spectrum disorders (ASD) are complex neuro-developmental disorders affecting children in their early age. The diagnosis of ASD relies on multidisciplinary investigations, in psychiatry, neurology, genetics, electrophysiology, neuro-imagery, audiology and ophthalmology. In order to support clinicians, researchers and public health decision makers, we designed an information system dedicated to ASD, called TEDIS. TEDIS was designed to manage systematic, exhaustive and continuous multi-centric patient data collection via secured Internet connections...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28423140/arboviruses-emerging-in-brazil-challenges-for-clinic-and-implications-for-public-health
#15
Maria Rita Donalisio, André Ricardo Ribas Freitas, Andrea Paula Bruno Von Zuben
Arboviruses have been emerging in different parts of the world due to genetic changes in the virus, alteration of the host and vector population dynamics, or because of anthropogenic environmental factors. These viruses' capacity for adaptation is notable, as well as the likelihood of their emergence and establishment in new geographic areas. In Brazilian epidemiologic scenario, the most common arboviruses are DENV, CHIKV, and ZIKV, although others may spread in the country. Little is yet known of the impact of viral co-circulation, which would theoretically result in more intense viremia or other immunological alterations that could trigger autoimmune diseases, such as Guillain-Barré syndrome...
April 10, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28421178/applying-precision-public-health-to-prevent-preterm-birth
#16
REVIEW
John P Newnham, Matthew W Kemp, Scott W White, Catherine A Arrese, Roger J Hart, Jeffrey A Keelan
Preterm birth (PTB) is one of the major health-care challenges of our time. Being born too early is associated with major risks to the child with potential for serious consequences in terms of life-long disability and health-care costs. Discovering how to prevent PTB needs to be one of our greatest priorities. Recent advances have provided hope that a percentage of cases known to be related to risk factors may be amenable to prevention; but the majority of cases remain of unknown cause, and there is little chance of prevention...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28419753/systematic-review-of-gender-differences-in-sepsis-management-and-outcomes
#17
Kim Reina Failla, Cynthia D Connelly
PURPOSE: Contributors to disparities in sepsis management have been attributed to genetic susceptibility, differences in clinical presentation, and healthcare delivery. The influence of gender on survival or mortality of patients with sepsis-related diagnoses is unclear. The purpose of the current study was to systematically review published research to identify factors and outcomes associated with sepsis management and outcomes based on gender differences. METHODS: Covering a period from 2006 to 2016, a literature search was conducted on four electronic data bases including the Cumulative Index to Nursing and Allied Health Literature (CINAHL), EBSCO, MedlinePlus, and PubMed...
April 18, 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28415857/sharing-data-to-build-a-medical-information-commons-from-bermuda-to-the-global-alliance
#18
Robert Cook-Deegan, Rachel A Ankeny, Kathryn Maxson Jones
The Human Genome Project modeled its open science ethos on nematode biology, most famously through daily release of DNA sequence data based on the 1996 Bermuda Principles. That open science philosophy persists, but daily, unfettered release of data has had to adapt to constraints occasioned by the use of data from individual people, broader use of data not only by scientists but also by clinicians and individuals, the global reach of genomic applications and diverse national privacy and research ethics laws, and the rising prominence of a diverse commercial genomics sector...
April 17, 2017: Annual Review of Genomics and Human Genetics
https://www.readbyqxmd.com/read/28414014/do-dsm-5-section-ii-personality-disorders-and-section-iii-personality-trait-domains-reflect-the-same-genetic-and-environmental-risk-factors
#19
T Reichborn-Kjennerud, R F Krueger, E Ystrom, F A Torvik, T H Rosenström, S H Aggen, S C South, M C Neale, G P Knudsen, K S Kendler, N O Czajkowski
BACKGROUND: DSM-5 includes two conceptualizations of personality disorders (PDs). The classification in Section II is identical to the one found in DSM-IV, and includes 10 categorical PDs. The Alternative Model (Section III) includes criteria for dimensional measures of maladaptive personality traits organized into five domains. The degree to which the two conceptualizations reflect the same etiological factors is not known. METHODS: We use data from a large population-based sample of adult twins from the Norwegian Institute of Public Health Twin Panel on interview-based DSM-IV PDs and a short self-report inventory that indexes the five domains of the DSM-5 Alternative Model plus a domain explicitly targeting compulsivity...
April 17, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28412379/challenges-of-measles-and-rubella-laboratory-diagnostic-in-the-era-of-elimination
#20
REVIEW
Judith M Hübschen, Sonja M Bork, Kevin E Brown, Annette Mankertz, Sabine Santibanez, Myriam Ben Mamou, Mick N Mulders, Claude P Muller
The Member States of the WHO European Region adopted the goal of measles and rubella elimination more than 10 years ago, but so far only 21 of 53 countries have reached this target. Laboratory investigation of suspected cases is essential to support disease elimination efforts. Therefore WHO maintains a network of accredited laboratories providing high quality testing AIMS.: The present article reviews current measles and rubella laboratory diagnostic methods and describes specific challenges in elimination settings SOURCES...
April 13, 2017: Clinical Microbiology and Infection
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