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https://www.readbyqxmd.com/read/29136872/a-novel-hybrid-flow-platform-for-on-line-simultaneous-dynamic-fractionation-and-evaluation-of-mercury-lability-in-environmental-solids
#1
Yanlin Zhang, Manuel Miró, Spas D Kolev
A method for the automatic simultaneous assessment of mobility and lability of mercury in environmental solid samples has been developed for the first time. It has been implemented in a hybrid flow system integrating flow-through dynamic sequential extraction and on-line chemical digestion prior to atomic fluorescence detection. The method allows the determination of trace concentrations of labile mercury (HgL) and non-labile mercury (HgNL) in different bioaccessible phases of environmental solid samples thus providing expeditious data not only for Hg exposome studies but also for the selection of suitable environmental remediation techniques...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29114965/oxidative-stress-and-inflammation-mediate-the-effect-of-air-pollution-on-cardio-and-cerebrovascular-disease-a-prospective-study-in-nonsmokers
#2
Giovanni Fiorito, Jelle Vlaanderen, Silvia Polidoro, John Gulliver, Claudia Galassi, Andrea Ranzi, Vittorio Krogh, Sara Grioni, Claudia Agnoli, Carlotta Sacerdote, Salvatore Panico, Ming-Yi Tsai, Nicole Probst-Hensch, Gerard Hoek, Zdenko Herceg, Roel Vermeulen, Akram Ghantous, Paolo Vineis, Alessio Naccarati
Air pollution is associated with a broad range of adverse health effects, including mortality and morbidity due to cardio- and cerebrovascular diseases (CCVD), but the molecular mechanisms involved are not entirely understood. This study aims to investigate the involvement of oxidative stress and inflammation in the causal chain, and to identify intermediate biomarkers that are associated retrospectively with the exposure and prospectively with the disease. We designed a case-control study on CCVD nested in a cohort of 18,982 individuals from the EPIC-Italy study...
November 8, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/29107462/each-meal-matters-in-the-exposome-biological-and-community-considerations-in-fast-food-socioeconomic-associations
#3
Susan L Prescott, Alan C Logan
Advances in omics and microbiome technology have transformed the ways in which the biological consequences of life in the 'ecological theatre' can be visualized. Exposome science examines the total accumulated environmental exposures (both detrimental and beneficial) as a means to understand the response of the 'total organism to the total environment' over time. The repetitive stimulation of compensatory physiological responses (immune, cardiovascular, neuroendocrine) in response to stress - including sources of stress highly relevant to socioeconomic disadvantage - may lead to metabolic dysregulation and cellular damage, ultimately influencing behavior and disease...
September 27, 2017: Economics and Human Biology
https://www.readbyqxmd.com/read/29079553/c%C3%A3-te-d-ivoire-dual-burden-of-disease-codubu-study-protocol-to-investigate-the-co-occurrence-of-chronic-infections-and-noncommunicable-diseases-in-rural-settings-of-epidemiological-transition
#4
Ikenna C Eze, Clémence Esse, Fidèle K Bassa, Siaka Koné, Felix Acka, Loukou Yao, Medea Imboden, Fabienne N Jaeger, Christian Schindler, Mireille Dosso, Véronique Laubhouet-Koffi, Dinard Kouassi, Eliézer K N'Goran, Jürg Utzinger, Bassirou Bonfoh, Nicole Probst-Hensch
BACKGROUND: Individual-level concomitance of infectious diseases and noncommunicable diseases (NCDs) is poorly studied, despite the reality of this dual disease burden for many low- and middle-income countries (LMICs). OBJECTIVE: This study protocol describes the implementation of a cohort and biobank aiming for a better understanding of interrelation of helminth and Plasmodium infections with NCD phenotypes like metabolic syndrome, hypertension, and diabetes. METHODS: A baseline cross-sectional population-based survey was conducted over one year, in the Taabo health and demographic surveillance system (HDSS) in south-central Côte d'Ivoire...
October 27, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29068318/advances-in-chemical-sensing-technologies-for-vocs-in-breath-for-security-threat-assessment-illicit-drug-detection-and-human-trafficking-activity
#5
Stamatios Giannoukos, Agapios Agapiou, S Taylor
On-site chemical sensing of compounds associated with security and terrorist attacks is of worldwide interest. Other related bio-monitoring topics include identification of individuals posing a threat from illicit drugs, explosive manufacturing, as well as searching for victims of human trafficking and collapsed buildings. The current status of field analytical technologies is directed towards the detection and identification of vapours and volatile organic compounds (VOCs). Some VOCs are associated with exhaled breath; where research is moving from individual breath testing (volatilome) to cell breath (microbiome) and most recently to crowd breath metabolites (exposome)...
October 25, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/29065591/semantic-modeling-for-exposomics-with-exploratory-evaluation-in-clinical-context
#6
Jung-Wei Fan, Jianrong Li, Yves A Lussier
Exposome is a critical dimension in the precision medicine paradigm. Effective representation of exposomics knowledge is instrumental to melding nongenetic factors into data analytics for clinical research. There is still limited work in (1) modeling exposome entities and relations with proper integration to mainstream ontologies and (2) systematically studying their presence in clinical context. Through selected ontological relations, we developed a template-driven approach to identifying exposome concepts from the Unified Medical Language System (UMLS)...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29051276/precision-medicine-in-airway-diseases-moving-to-clinical-practice
#7
Alvar Agustí, Mona Bafadhel, Richard Beasley, Elisabeth H Bel, Rosa Faner, Peter G Gibson, Renaud Louis, Vanessa M McDonald, Peter J Sterk, Mike Thomas, Claus Vogelmeier, Ian D Pavord
On February 21, 2017, a European Respiratory Society research seminar held in Barcelona discussed how to best apply precision medicine to chronic airway diseases such as asthma and chronic obstructive pulmonary disease. It is now clear that both are complex and heterogeneous diseases, that often overlap and that both require individualised assessment and treatment. This paper summarises the presentations and discussions that took place during the seminar. Specifically, we discussed the need for a new taxonomy of human diseases, the role of different players in this scenario (exposome, genes, endotypes, phenotypes, biomarkers and treatable traits) and a number of unanswered key questions in the field...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28945073/exposome-scale-investigations-guided-by-global-metabolomics-pathway-analysis-and-cognitive-computing
#8
Benedikt Warth, Scott Spangler, Mingliang Fang, Caroline H Johnson, Erica M Forsberg, Ana Granados, Richard L Martin, Xavier Domingo-Almenara, Tao Huan, Duane Rinehart, J Rafael Montenegro-Burke, Brian Hilmers, Aries Aisporna, Linh T Hoang, Winnie Uritboonthai, H Paul Benton, Susan D Richardson, Antony J Williams, Gary Siuzdak
Concurrent exposure to a wide variety of xenobiotics and their combined toxic effects can play a pivotal role in health and disease, yet are largely unexplored. Investigating the totality of these exposures, i.e., the "exposome", and their specific biological effects constitutes a new paradigm for environmental health but still lacks high-throughput, user-friendly technology. We demonstrate the utility of mass spectrometry-based global exposure metabolomics combined with tailored database queries and cognitive computing for comprehensive exposure assessment and the straightforward elucidation of biological effects...
November 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28944245/the-socio-exposome-advancing-exposure-science-and-environmental-justice-in-a-post-genomic-era
#9
Laura Senier, Phil Brown, Sara Shostak, Bridget Hanna
We propose the socio-exposome as a conceptual framework for integrative environmental health research. Environmental scientists coined the term "exposome" with the goal of inventorying and quantifying environmental exposures as precisely as scientists measure genes and gene expression. To date, the exposome's proponents have not thoroughly engaged social scientific theoretical and methodological expertise, although the exclusion of sociological expertise risks molecularizing complex social phenomena and limiting the possibility of collective action to improve environmental conditions...
2017: Environmental sociology
https://www.readbyqxmd.com/read/28926971/mini-review-the-contribution-of-intermediate-phenotypes-to-gxe-effects-on-disorders-of-body-composition-in-the-new-omics-era
#10
REVIEW
Edna J Nava-Gonzalez, Esther C Gallegos-Cabriales, Irene Leal-Berumen, Raul A Bastarrachea
Studies of gene-environment (GxE) interactions describe how genetic and environmental factors influence the risk of developing disease. Intermediate (molecular or clinical) phenotypes (IPs) are traits or metabolic biomarkers that mediate the effects of gene-environment influences on risk behaviors. Functional systems genomics discovery offers mechanistic insights into how DNA variations affect IPs in order to detect genetic causality for a given disease. Disorders of body composition include obesity (OB), Type 2 diabetes (T2D), and osteoporosis (OSTP)...
September 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28926371/residential-agricultural-pesticide-exposures-and-risks-of-spontaneous-preterm-birth
#11
Gary M Shaw, Wei Yang, Eric M Roberts, Susan E Kegley, David K Stevenson, Suzan L Carmichael, Paul B English
BACKGROUND: Pesticides exposures are aspects of the human exposome that have not been sufficiently studied for their contribution to risk for preterm birth. We investigated risks of spontaneous preterm birth from potential residential exposures to 543 individual chemicals and 69 physicochemical groupings that were applied in the San Joaquin Valley of California during the study period, 1998-2011. METHODS: The study population was derived from birth certificate data linked with Office of Statewide Health Planning and Development maternal and infant hospital discharge data...
September 18, 2017: Epidemiology
https://www.readbyqxmd.com/read/28858824/the-value-of-traditional-ecological-knowledge-for-the-environmental-health-sciences-and-biomedical-research
#12
Symma Finn, Mose Herne, Dorothy Castille
BACKGROUND: Traditional Ecological Knowledge (TEK) is a term, relatively new to Western science, that encompasses a subset of traditional knowledge maintained by Indigenous nations about the relationships between people and the natural environment. The term was first shared by tribal elders in the 1980s to help raise awareness of the importance of TEK. TEK has become a construct that Western scientists have increasingly considered for conducting culturally relevant research with Tribal nations...
August 29, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28841522/human-biomonitoring-data-analysis-for-metals-in-an-italian-adolescents-cohort-an-exposome-approach
#13
Anna Pino, Flavia Chiarotti, Gemma Calamandrei, Alberto Gotti, Spyros Karakitsios, Evangelos Handakas, Beatrice Bocca, Dimosthenis Sarigiannis, Alessandro Alimonti
The first Italian human biomonitoring survey (PROBE - PROgramme for Biomonitoring general population Exposure) considered a reference population of adolescents, aged 13-15 years, living in urban and rural areas and investigated their exposure to metals. The study was expanded up to 453 adolescents living in the same areas of Latium Region (Italy) and blood samples were analyzed for 19 metals (As, Be, Cd, Co, Cr, Hg, Ir, Mn, Mo, Ni, Pb, Pd, Pt, Rh, Sb, Sn, Tl, V, and W) by sector field inductively coupled plasma mass spectrometry...
November 2017: Environmental Research
https://www.readbyqxmd.com/read/28836271/roadmap-for-investigating-epigenome-deregulation-and-environmental-origins-of-cancer
#14
REVIEW
Zdenko Herceg, Akram Ghantous, Christopher P Wild, Athena Sklias, Lavinia Casati, Susan J Duthie, Rebecca Fry, Jean-Pierre Issa, Richard Kellermayer, Igor Koturbash, Yukata Kondo, Johanna Lepeule, Sheila C S Lima, Carmen J Marsit, Vardhman Rakyan, Richard Saffery, Jack A Taylor, Andrew E Teschendorff, Toshikazu Ushijima, Paolo Vineis, Cheryl Lyn Walker, Robert A Waterland, Joe Wiemels, Srikant Ambatipudi, Davide Degli Esposti, Hector Hernandez-Vargas
The interaction between the (epi)genetic makeup of an individual and his/her environmental exposure record (exposome) is accepted as a determinant factor for a significant proportion of human malignancies. Recent evidence has highlighted the key role of epigenetic mechanisms in mediating gene-environment interactions and translating exposures into tumorigenesis. There is also growing evidence that epigenetic changes may be risk factor-specific ("fingerprints") that should prove instrumental in the discovery of new biomarkers in cancer...
August 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28796633/developing-the-regulatory-utility-of-the-exposome-mapping-exposures-for-risk-assessment-through-lifestage-exposome-snapshots-lens
#15
Rachel M Shaffer, Marissa N Smith, Elaine M Faustman
BACKGROUND: Exposome-related efforts aim to document the totality of human exposures across the lifecourse. This field has advanced rapidly in recent years but lacks practical application to risk assessment, particularly for children's health. OBJECTIVES: Our objective was to apply the exposome to children's health risk assessment by introducing the concept of Lifestage Exposome Snapshots (LEnS). Case studies are presented to illustrate the value of the framework...
August 7, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28777099/inflammatory-bowel-diseases-review-of-known-environmental-protective-and-risk-factors-involved
#16
Kimberley W J van der Sloot, Marzyeh Amini, Vera Peters, Gerard Dijkstra, Behrooz Z Alizadeh
Inflammatory bowel diseases consisting of Crohn's disease and ulcerative colitis are chronic inflammatory diseases of the gastrointestinal tract. In addition to genetic susceptibility and disturbances of the microbiome, environmental exposures forming the exposome play an important role. Starting at birth, the cumulative effect of different environmental exposures combined with a predetermined genetic susceptibility is thought to cause inflammatory bowel disease. All these environmental factors are part of a Western lifestyle, suiting the high incidence rates in Europe and the United States...
September 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28743678/the-saliva-exposome-for-monitoring-of-individuals-health-trajectories
#17
Vincent Bessonneau, Janusz Pawliszyn, Stephen M Rappaport
BACKGROUND: There is increasing evidence that environmental, rather than genetic, factors are the major causes of most chronic diseases. By measuring entire classes of chemicals in archived biospecimens, exposome-wide association studies (EWAS) are being conducted to investigate associations between a myriad of exposures received during life and chronic diseases. OBJECTIVES: Because the intraindividual variability in biomarker levels, arising from changes in environmental exposures from conception onwards, leads to attenuation of exposure-disease associations, we posit that saliva can be collected repeatedly in longitudinal studies to reduce exposure-measurement errors in EWAS...
July 20, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28711809/assessing-the-impact-of-hazardous-waste-on-children-s-health-the-exposome-paradigm
#18
D A Sarigiannis
Assessment of the health impacts related to hazardous waste is a major scientific challenge with multiple societal implications. Most studies related to associations between hazardous waste and public health do not provide established of mechanistic links between environmental exposure and disease burden, resulting in ineffective waste management options. The exposome concept comes to overhaul the nature vs. nurture paradigm and embraces a world of dynamic interactions between environmental exposures, endogenous exposures and genetic expression in humans...
October 2017: Environmental Research
https://www.readbyqxmd.com/read/28709428/a-systematic-comparison-of-statistical-methods-to-detect-interactions-in-exposome-health-associations
#19
Jose Barrera-Gómez, Lydiane Agier, Lützen Portengen, Marc Chadeau-Hyam, Lise Giorgis-Allemand, Valérie Siroux, Oliver Robinson, Jelle Vlaanderen, Juan R González, Mark Nieuwenhuijsen, Paolo Vineis, Martine Vrijheid, Roel Vermeulen, Rémy Slama, Xavier Basagaña
BACKGROUND: There is growing interest in examining the simultaneous effects of multiple exposures and, more generally, the effects of mixtures of exposures, as part of the exposome concept (being defined as the totality of human environmental exposures from conception onwards). Uncovering such combined effects is challenging owing to the large number of exposures, several of them being highly correlated. We performed a simulation study in an exposome context to compare the performance of several statistical methods that have been proposed to detect statistical interactions...
July 14, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28707677/-omics-and-endocrine-disrupting-chemicals-new-paths-forward
#20
REVIEW
Carmen Messerlian, Rosie M Martinez, Russ Hauser, Andrea A Baccarelli
The emerging field of omics - large-scale data-rich biological measurements of the genome - provides new opportunities to advance and strengthen research into endocrine-disrupting chemicals (EDCs). Although some EDCs have been associated with adverse health effects in humans, our understanding of their impact remains incomplete. Progress in the field has been primarily limited by our inability to adequately estimate and characterize exposure and identify sensitive and measurable outcomes during windows of vulnerability...
December 2017: Nature Reviews. Endocrinology
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