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Public health genetics

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https://www.readbyqxmd.com/read/29149254/invited-commentary-gestational-hypertension-and-diabetes-a-major-public-health-concern
#1
Lewis H Kuller, Janet Catov
The obesity epidemic in the United States and other countries has contributed to an increase in the rates of gestational diabetes and hypertension. In the past, it was thought that most cases of gestational diabetes and hypertension would resolve after completion of pregnancy. In this issue of the Journal, Pace et al. (Am J Epidemiol. 2017;186(10):1115-1124) clearly documented that both gestational diabetes and hypertension lead to diabetes and hypertension and that the combination of both during pregnancy leads to very high rates of subsequent diabetes and hypertension...
November 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29144227/maternal-smoking-during-pregnancy-and-offspring-executive-function-what-do-we-know-and-what-are-the-next-steps
#2
Lauren Micalizzi, Valerie S Knopik
Children exposed to maternal smoking during pregnancy (MSDP) exhibit difficulties in executive function (EF) from infancy through adolescence. Due to the developmental significance of EF as a predictor of adaptive functioning throughout the life span, the MSDP-EF relation has clear public health implications. In this paper, we provide a comprehensive review of the literature on the relationship between MSDP and offspring EF across development; consider brain-based assessments, animal models, and genetically informed studies in an effort to elucidate plausible pathways of effects; discuss implications for prevention and intervention; and make calls to action for future research...
November 16, 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/29143489/spatial-variation-in-the-parasite-communities-and-genomic-structure-of-urban-rats-in-new-york-city
#3
L P Angley, M Combs, C Firth, M J Frye, I Lipkin, J L Richardson, J Munshi-South
Brown rats (Rattus norvegicus) are a globally distributed pest. Urban habitats can support large infestations of rats, posing a potential risk to public health from the parasites and pathogens they carry. Despite the potential influence of rodent-borne zoonotic diseases on human health, it is unclear how urban habitats affect the structure and transmission dynamics of ectoparasite and microbial communities (all referred to as "parasites" hereafter) among rat colonies. In this study, we use ecological data on parasites and genomic sequencing of their rat hosts to examine associations between spatial proximity, genetic relatedness and the parasite communities associated with 133 rats at five sites in sections of New York City with persistent rat infestations...
November 16, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29140768/public-health-burden-of-hearing-impairment-and-the-promise-of-genomics-and-environmental-research-a-case-study-in-ghana-africa
#4
Samuel Mawuli Adadey, Gordon Awandare, Goffrey Kwabla Amedofu, Ambroise Wonkam
Hearing impairment (HI) is one of the most disabling conditions of major global health burden that contributes adversely to the social and economic development of a country, if not managed properly. A proper assessment of the nationwide burden and etiology of HI is instrumental in the prevention, treatment, and management of the condition. This article sought to perform an expert review of HI in Ghana to determine the present knowledge of its burden and possible causes of the condition. A literature search was conducted in PubMed using the following keywords: "hearing loss" OR "hearing impairment" OR "deafness" AND "Ghana...
November 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/29140662/re-framing-biotechnology-regulation
#5
Alison Peck
Biotechnology is about to spill the banks of federal regulation. New genetic engineering techniques like CRISPR-Cas9 promise revolutionary breakthroughs in medicine, agriculture, and public health—but those techniques would not be regulated under the terms of the Coordinated Framework for Regulation of Biotechnology. This revolutionary moment in biotechnology offers an opportunity to correct the flaws in the framework, which was hastily patched together at the advent of the technology. The framework has never captured all relevant technologies, has never satisfied the public that risk is being effectively managed, and has never been accessible to small companies and publicly-funded labs that increasingly are positioned to make radical, life-saving innovations...
2017: Food and Drug Law Journal
https://www.readbyqxmd.com/read/29139346/in-vivo-mallard-experiments-indicate-that-zanamivir-has-less-potential-for-environmental-influenza-a-virus-resistance-development-than-oseltamivir
#6
Marie Nykvist, Anna Gillman, Hanna Söderström Lindström, Chaojun Tang, Ganna Fedorova, Åke Lundkvist, Neus Latorre-Margalef, Michelle Wille, Josef D Järhult
Neuraminidase inhibitors are a cornerstone of influenza pandemic preparedness before vaccines can be mass-produced and thus a neuraminidase inhibitor-resistant pandemic is a serious threat to public health. Earlier work has demonstrated the potential for development and persistence of oseltamivir resistance in influenza A viruses exposed to environmentally relevant water concentrations of the drug when infecting mallards, the natural influenza reservoir that serves as the genetic base for human pandemics. As zanamivir is the major second-line neuraminidase inhibitor treatment, this study aimed to assess the potential for development and persistence of zanamivir resistance in an in vivo mallard model; especially important as zanamivir will probably be increasingly used...
November 15, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/29139332/the-views-of-adults-with-huntington-s-disease-on-assisted-dying-a-qualitative-exploration
#7
Laurence Regan, Nancy J Preston, Fiona J R Eccles, Jane Simpson
BACKGROUND: Assisted dying is frequently debated publicly and research often includes the views of health professionals on this issue. However, the views of people with life-limiting conditions, for whom this issue is likely to have a different resonance, are less well represented. AIM: The purpose of this study was to explore the views of people who live with the inevitability of developing Huntington's disease, a genetically transmitted disease which significantly limits life, on assisted dying...
November 1, 2017: Palliative Medicine
https://www.readbyqxmd.com/read/29139076/extended%C3%A2-spectrum%C3%A2-beta-lactamase-esbl-producing-bacteria-isolated-from-hospital-wastewaters-rivers-and-aquaculture-sources-in-nigeria
#8
Olawale Olufemi Adelowo, Serena Caucci, Omowunmi Abosede Banjo, Ozioma Chinyere Nnanna, Eunice Olubunmi Awotipe, Florence Bosede Peters, Obasola Ezekiel Fagade, Thomas U Berendonk
Untreated wastewater is a risk factor for the spread of antibiotic resistance in the environment. However, little is known about the contribution of untreated wastewater to the burden of antibiotic resistance in the Nigerian environment. In this study, a total of 143 ceftazidime-/cefpodoxime-resistant bacteria isolated from untreated wastewater and untreated wastewater-contaminated surface and groundwater in Nigeria were screened for extended-spectrum β-lactamase (ESBL) genes, integrons and integron gene cassettes by PCR...
November 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29138446/antimicrobial-resistance-and-genetic-diversity-in-ceftazidime-non-susceptible-bacterial-pathogens-from-ready-to-eat-street-foods-in-three-taiwanese-cities
#9
Lin Lin, Sheng-Fan Wang, Tsung-Ying Yang, Wei-Chun Hung, Min-Yu Chan, Sung-Pin Tseng
Bacterial contamination of ready-to-eat (RTE) street foods is a major concern worldwide. Dissemination of antibiotic resistant pathogens from food is an emerging public-health threat. To investigate the prevalence of antibiotic resistance genes and ceftazidime resistance-associated efflux pumps in foodborne pathogens, 270 RTE street foods samples were collected in three densely populated Taiwanese cities. Among 70 ceftazidime non-susceptible isolates, 21 Stenotrophomonas maltophilia, 12 Pseudomonas spp., 22 Acinetobacter spp...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29133029/host-genetics-and-dengue-fever
#10
REVIEW
Caroline Xavier de Carvalho, Cynthia Chester Cardoso, Fernanda de Souza Gomes Kehdy, Antonio Guilherme Pacheco, Milton Ozório Moraes
Dengue is a major worldwide problem in tropical and subtropical areas; it is caused by four different viral serotypes, and it can manifest as asymptomatic, mild, or severe. Many factors interact to determine the severity of the disease, including the genetic profile of the infected patient. However, the mechanisms that lead to severe disease and eventually death have not been determined, and a great challenge is the early identification of patients who are more likely to progress to a worse health condition...
November 10, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29132318/bugmat-and-findneighbour-command-line-and-server-applications-for-investigating-bacterial-relatedness
#11
Oriol Mazariegos-Canellas, Trien Do, Tim Peto, David W Eyre, Anthony Underwood, Derrick Crook, David H Wyllie
BACKGROUND: Large scale bacterial sequencing has made the determination of genetic relationships within large sequence collections of bacterial genomes derived from the same microbial species an increasingly common task. Solutions to the problem have application to public health (for example, in the detection of possible disease transmission), and as part of divide-and-conquer strategies selecting groups of similar isolates for computationally intensive methods of phylogenetic inference using (for example) maximal likelihood methods...
November 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29131825/a-model-based-clustering-method-to-detect-infectious-disease-transmission-outbreaks-from-sequence-variation
#12
Rosemary M McCloskey, Art F Y Poon
Clustering infections by genetic similarity is a popular technique for identifying potential outbreaks of infectious disease, in part because sequences are now routinely collected for clinical management of many infections. A diverse number of nonparametric clustering methods have been developed for this purpose. These methods are generally intuitive, rapid to compute, and readily scale with large data sets. However, we have found that nonparametric clustering methods can be biased towards identifying clusters of diagnosis-where individuals are sampled sooner post-infection-rather than the clusters of rapid transmission that are meant to be potential foci for public health efforts...
November 13, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29128786/green-space-and-cognitive-ageing-a-retrospective-life-course-analysis-in-the-lothian-birth-cohort-1936
#13
Mark P C Cherrie, Niamh K Shortt, Richard J Mitchell, Adele M Taylor, Paul Redmond, Catharine Ward Thompson, John M Starr, Ian J Deary, Jamie R Pearce
International evidence suggests that green space has beneficial effects on general and mental health but little is known about how lifetime exposure to green space influences cognitive ageing. Employing a novel longitudinal life course approach, we examined the association between lifetime availability of public parks and cognitive ageing. Lifetime residential information was gathered from the participants of the Lothian Birth Cohort 1936 using a "life-grid" questionnaire at age 78 years. Parks information from 1949, 1969 and 2009 was used to determine a percentage of parks within a 1500 m buffer zone surrounding residence for childhood, adulthood, and later adulthood periods...
November 7, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29127911/healthy-minds-from-0-100-years-optimising-the-use-of-european-brain-imaging-cohorts-lifebrain
#14
K B Walhovd, A M Fjell, R Westerhausen, L Nyberg, K P Ebmeier, U Lindenberger, D Bartrés-Faz, W F C Baaré, H R Siebner, R Henson, C A Drevon, G P Knudsen, I Budin-Ljøsne, B W J H Penninx, P Ghisletta, O Rogeberg, L Tyler, L Bertram
The main objective of "Lifebrain" is to identify the determinants of brain, cognitive and mental (BCM) health at different stages of life. By integrating, harmonising and enriching major European neuroimaging studies across the life span, we will merge fine-grained BCM health measures of more than 5,000 individuals. Longitudinal brain imaging, genetic and health data are available for a major part, as well as cognitive and mental health measures for the broader cohorts, exceeding 27,000 examinations in total...
November 8, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29126839/the-epidemic-typhus-and-trench-fever-are-risk-for-public-health-due-to-increased-migration-in-southeast-of-turkey
#15
Fadime Eroglu, Nilgün Ulutasdemir, Mustafa Tanrıverdi, Eda Icbay Dagli, Ismail Soner Koltas
Pediculus humanus capitis is a small ectoparasitic insect that has lived and feds on human beings for thousands of years. Molecular techniques have been used for Pediculus species identification and evolutionary, phylogenic, and ecological studies. A total of 23 adults of P. h. capitis were collected in Gaziantep, located in southeast Turkey, and DNA was isolated from all P. h. capitis using DNA extraction kit. All DNA samples were screened for investigate of Ricettsia prowazekii, Bartonella quintana and Borrelia recurrentis with real-time polymerase chain reaction...
November 7, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29126384/population-differentiation-in-allele-frequencies-of-obesity-associated-snps
#16
Linyong Mao, Yayin Fang, Michael Campbell, William M Southerland
BACKGROUND: Obesity is emerging as a global health problem, with more than one-third of the world's adult population being overweight or obese. In this study, we investigated worldwide population differentiation in allele frequencies of obesity-associated SNPs (single nucleotide polymorphisms). RESULTS: We collected a total of 225 obesity-associated SNPs from a public database. Their population-level allele frequencies were derived based on the genotype data from 1000 Genomes Project (phase 3)...
November 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29125742/heterogeneous-oh-oxidation-shielding-effects-and-implications-for-the-atmospheric-fate-of-terbuthylazine-and-other-pesticides
#17
Joanna Socorro, Pascale S J Lakey, Lei Han, Thomas Berkemeier, Gerhard Lammel, Cornelius Zetzsch, Ulrich Pöschl, Manabu Shiraiwa
Terbuthylazine (TBA) is a widely used herbicide, and its heterogeneous reaction with OH radicals is important for assessing its potential to undergo atmospheric long-range transport and to affect the environment and public health. The apparent reaction rate coefficients obtained in different experimental investigations, however, vary by orders of magnitude depending on the applied experimental techniques and conditions. In this study, we used a kinetic multilayer model of aerosol chemistry with reversible surface adsorption and bulk diffusion (KM-SUB) in combination with a Monte Carlo genetic algorithm to simulate the measured decay rates of TBA...
November 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29120458/precision-newborn-screening-for-lysosomal-disorders
#18
Melissa M Minter Baerg, Stephanie D Stoway, Jeremy Hart, Lea Mott, Dawn S Peck, Stephanie L Nett, Jason S Eckerman, Jean M Lacey, Coleman T Turgeon, Dimitar Gavrilov, Devin Oglesbee, Kimiyo Raymond, Silvia Tortorelli, Dietrich Matern, Lars Mørkrid, Piero Rinaldo
PurposeThe implementation of newborn screening for lysosomal disorders has uncovered overall poor specificity, psychosocial harm experienced by caregivers, and costly follow-up testing of false-positive cases. We report an informatics solution proven to minimize these issues.MethodsThe Kentucky Department for Public Health outsourced testing for mucopolysaccharidosis type I (MPS I) and Pompe disease, conditions recently added to the recommended uniform screening panel, plus Krabbe disease, which was added by legislative mandate...
November 9, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29118748/remarkable-diversity-of-escherichia-coli-carrying-mcr-1-from-hospital-sewage-with-the-identification-of-two-new-mcr-1-variants
#19
Feifei Zhao, Yu Feng, Xiaoju Lü, Alan McNally, Zhiyong Zong
The plasmid-borne colistin-resistant gene mcr-1 has rapidly become a worldwide public health concern. This study aims to determine the host bacterial strains, plasmids, and genetic contexts of mcr-1 in hospital sewage. A 1-ml hospital sewage sample was cultured. Colistin-resistant bacterial colonies were selected on agar plates and were subjected to whole genome sequencing and subsequent analysis. The transfer of mcr-1 between bacterial strains was tested using conjugation. New variants of mcr-1 were cloned to test the impact of variations on the function of mcr-1...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29118424/methods-for-scarless-selection-free-generation-of-human-cells-and-allele-specific-functional-analysis-of-disease-associated-snps-and-variants-of-uncertain-significance
#20
Nicole B Coggins, Jacob Stultz, Henriette O'Geen, Luis G Carvajal-Carmona, David J Segal
With the continued emergence of risk loci from Genome-Wide Association studies and variants of uncertain significance identified from patient sequencing, better methods are required to translate these human genetic findings into improvements in public health. Here we combine CRISPR/Cas9 gene editing with an innovative high-throughput genotyping pipeline utilizing KASP (Kompetitive Allele-Specific PCR) genotyping technology to create scarless isogenic cell models of cancer variants in ~1 month. We successfully modeled two novel variants previously identified by our lab in the PALB2 gene in HEK239 cells, resulting in isogenic cells representing all three genotypes for both variants...
November 8, 2017: Scientific Reports
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