Current Environmental Health Reports最新文献

筛选
英文 中文
Validity of Geolocation and Distance to Exposure Sources from Geographical Information Systems for Environmental Monitoring of Toxic Metal Exposures Based on Correlation with Biological Samples: a Systematic Review. 基于生物样本相关性的有毒金属暴露环境监测地理信息系统中地理位置和暴露源距离的有效性:系统综述。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 DOI: 10.1007/s40572-022-00383-3
Amaya Bernal-Alonso, Maria Alonso-Colon, Daniel Cifo, Rebeca Ramis
{"title":"Validity of Geolocation and Distance to Exposure Sources from Geographical Information Systems for Environmental Monitoring of Toxic Metal Exposures Based on Correlation with Biological Samples: a Systematic Review.","authors":"Amaya Bernal-Alonso,&nbsp;Maria Alonso-Colon,&nbsp;Daniel Cifo,&nbsp;Rebeca Ramis","doi":"10.1007/s40572-022-00383-3","DOIUrl":"https://doi.org/10.1007/s40572-022-00383-3","url":null,"abstract":"<p><strong>Purpose of review: </strong>In epidemiologic studies, biomarkers are the best possible choice to assess individual exposure to toxic metals since they integrate all exposure sources. However, measuring biomarkers is not always feasible, given potential budgetary and time constraints or limited availability of samples. Alternatively, approximations to individual metal exposure obtained from geographic information systems (GIS) have become popular to evaluate diverse metal-related health outcomes. Our objective was to conduct a systematic review of epidemiological studies that evaluated the validity of GIS-based geolocation and distance to pollutant sources as an approximation of individual metal exposure based on correlation with biological samples.</p><p><strong>Recent findings: </strong>We considered 11 toxic metals: lead (Pb), cadmium (Cd), antimony (Sb), aluminum (Al), arsenic (As), chromium (Cr), nickel (Ni), mercury (Hg), tungsten (W), uranium (U), and vanadium (V). The final review included 12 manuscripts which included seven metals (Pb, Cd, Al, As, Cr, Hg, and Ni). Many studies used geolocation of the individuals to compare exposed (industrial, urban, agricultural, or landfill sources) and unexposed areas and not so many studies used distance to a source. For all metals, except lead, there was more animal than human biosampling to conduct biological validation. We observed a trend towards higher levels of Cd, Cr, Hg, and Pb in biosamples collected closer to exposure sources, supporting that GIS-based proxies for these metals might approximate individual exposure. However, given the low number and heterogeneity of the retrieved studies, the accumulated evidence is, overall, not sufficient. Given the practical benefits and potential of modern GIS technologies, which allow environmental monitoring at a reasonable cost, additional validation studies that include human biosampling are needed to support the use of GIS-based individual exposure measures in epidemiologic studies.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10634231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Childhood Trauma and Epigenetics: State of the Science and Future. 儿童创伤和表观遗传学:科学现状和未来。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 DOI: 10.1007/s40572-022-00381-5
N Gladish, S M Merrill, Michael S Kobor
{"title":"Childhood Trauma and Epigenetics: State of the Science and Future.","authors":"N Gladish,&nbsp;S M Merrill,&nbsp;Michael S Kobor","doi":"10.1007/s40572-022-00381-5","DOIUrl":"https://doi.org/10.1007/s40572-022-00381-5","url":null,"abstract":"<p><strong>Purpose of review: </strong>There is a great deal of interest regarding the biological embedding of childhood trauma and social exposures through epigenetic mechanisms, including DNA methylation (DNAm), but a comprehensive understanding has been hindered by issues of limited reproducibility between studies. This review presents a summary of the literature on childhood trauma and DNAm, highlights issues in the field, and proposes some potential solutions.</p><p><strong>Recent findings: </strong>Investigations of the associations between DNAm and childhood trauma are commonly performed using candidate gene approaches, specifically involving genes related to neurological and stress pathways. Childhood trauma is defined in a wide range of ways in several societal contexts. However, although variations in DNAm are frequently found in stress-related genes, unsupervised epigenome-wide association studies (EWAS) have shown limited reproducibility both between studies and in relating these changes to exposures. The reproducibility of childhood trauma DNAm studies, and the field of social epigenetics in general, may be improved by increasing sample sizes, standardizing variables, making use of effect size thresholds, collecting longitudinal and intervention samples, appropriately accounting for known confounding factors, and applying causal analysis wherever possible, such as \"two-step epigenetic Mendelian randomization.\"</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10638059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Phenols, Parabens, Phthalates and Puberty: a Systematic Review of Synthetic Chemicals Commonly Found in Personal Care Products and Girls' Pubertal Development. 苯酚、苯甲酸酯、邻苯二甲酸盐与青春期:个人护理产品中常见合成化学物质与女孩青春期发育的系统回顾。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 Epub Date: 2022-07-22 DOI: 10.1007/s40572-022-00366-4
Zorimar Rivera-Núñez, Carolyn W Kinkade, Yingting Zhang, Amber Rockson, Elisa V Bandera, Adana A M Llanos, Emily S Barrett
{"title":"Phenols, Parabens, Phthalates and Puberty: a Systematic Review of Synthetic Chemicals Commonly Found in Personal Care Products and Girls' Pubertal Development.","authors":"Zorimar Rivera-Núñez, Carolyn W Kinkade, Yingting Zhang, Amber Rockson, Elisa V Bandera, Adana A M Llanos, Emily S Barrett","doi":"10.1007/s40572-022-00366-4","DOIUrl":"10.1007/s40572-022-00366-4","url":null,"abstract":"<p><strong>Purpose of review: </strong>Exposure to endocrine disrupting chemicals through personal care products (PCPs) is widespread and may disrupt hormone-sensitive endpoints, such as timing of puberty. Given the well-documented (and ongoing) decline in age at menarche in many populations, we conducted a systematic review of the epidemiological literature on exposure to chemicals commonly found in PCPs (including certain phthalates, phenols, and parabens) in relation to girls' pubertal development.</p><p><strong>Recent findings: </strong>The preponderance of research on this topic has examined phthalate exposures with the strongest evidence indicating that prenatal monoethyl phthalate (MEP) concentrations may be associated with slightly earlier timing of puberty, including age at menarche. Findings examining peri-pubertal phthalate exposures and pubertal outcomes were less consistent as were studies of prenatal and peri-pubertal phenol exposures. Very few studies had examined parabens in relation to girls' pubertal development. Common study limitations included potential exposure misclassification related to use of spot samples and/or mistimed biomarker assessment with respect to the outcomes. The role of body size as a mediator in these relationships remains unresolved. Overall, evidence of associations between chemical exposures in PCPs and girls' pubertal development was conflicting. When associations were observed, effect sizes were small. Nevertheless, given the many environmental, social, and behavioral factors in the modern environment that may act synergistically to accelerate timing of puberty, even marginal changes may be cause for concern, with implications for cancer risk, mental health, and cardiometabolic disease in later life.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9742306/pdf/nihms-1829848.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9417987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perinatal Metal and Metalloid Exposures and Offspring Cardiovascular Health Risk. 围产期金属和类金属暴露与后代心血管健康风险。
IF 7.4 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 Epub Date: 2022-08-18 DOI: 10.1007/s40572-022-00377-1
Gyeyoon Yim, Lorena Reynaga, Velia Nunez, Caitlin G Howe, Megan E Romano, Yu Chen, Margaret R Karagas, Claudia Toledo-Corral, Shohreh F Farzan
{"title":"Perinatal Metal and Metalloid Exposures and Offspring Cardiovascular Health Risk.","authors":"Gyeyoon Yim, Lorena Reynaga, Velia Nunez, Caitlin G Howe, Megan E Romano, Yu Chen, Margaret R Karagas, Claudia Toledo-Corral, Shohreh F Farzan","doi":"10.1007/s40572-022-00377-1","DOIUrl":"10.1007/s40572-022-00377-1","url":null,"abstract":"<p><strong>Purpose of review: </strong>Toxic metal exposures have been associated with cardiovascular disease in adults and growing evidence suggests metal exposures also adversely affect cardiovascular phenotypes in childhood and adolescence. However, to our knowledge, the influence of perinatal metals exposure, particularly metal mixtures, in relation to cardiovascular-related outcomes have not been comprehensively reviewed.</p><p><strong>Recent findings: </strong>We summarized 17 contemporary studies (2017-2021) that investigated the impact of perinatal metal exposures on measures of cardiovascular health in children. Accumulating evidence supports a potential adverse impact of perinatal Pb exposure on BP in children. Fewer recent studies have focused on perinatal As, Hg, and Cd; thus, the cardiovascular impacts of these metals are less clear. Studies of metal mixtures demonstrate that interactions between metals may be complex and have identified numerous understudied elements and essential metals, including Mo, Co, Ni, Se, Zn, and Mn, which may influence cardiovascular risk. A key question that remains is whether perinatal metals exposure influences cardiovascular health into adulthood. Comparisons across studies remain challenging due to several factors, including differences in the timing of exposure/outcome assessments and exposure biomarkers, as well as variability in exposure levels and mixture compositions across populations. Future studies longitudinally investigating trajectories of cardiovascular outcomes could help determine the influence of perinatal metals exposure on long-term effects of clinical relevance in later life and whether interventions, which reduce metals exposures during this key developmental window, could alter disease development.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9694273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environmental Metal Exposure, Neurodevelopment, and the Role of Iron Status: a Review. 环境中的金属暴露、神经发育和铁的作用:综述。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 Epub Date: 2022-08-23 DOI: 10.1007/s40572-022-00378-0
Samantha Schildroth, Katarzyna Kordas, Julia Anglen Bauer, Robert O Wright, Birgit Claus Henn
{"title":"Environmental Metal Exposure, Neurodevelopment, and the Role of Iron Status: a Review.","authors":"Samantha Schildroth, Katarzyna Kordas, Julia Anglen Bauer, Robert O Wright, Birgit Claus Henn","doi":"10.1007/s40572-022-00378-0","DOIUrl":"10.1007/s40572-022-00378-0","url":null,"abstract":"<p><strong>Purpose of review: </strong>Exposure to environmental metals, like lead (Pb), manganese (Mn), and methylmercury (Me-Hg), has consistently been implicated in neurodevelopmental dysfunction. Recent research has focused on identifying modifying factors of metal neurotoxicity in childhood, such as age, sex, and co-exposures. Iron (Fe) status is critical for normal cognitive development during childhood, and current mechanistic, animal, and human evidence suggests that Fe status may be a modifier or mediator of associations between environmental metals and neurodevelopment. The goals of this review are to describe the current state of the epidemiologic literature on the role of Fe status (i.e., hemoglobin, ferritin, blood Fe concentrations) and Fe supplementation in the relationship between metals and children's neurodevelopment, and to identify research gaps.</p><p><strong>Recent findings: </strong>We identified 30 studies in PubMed and EMBASE that assessed Fe status as a modifier, mediator, or co-exposure of associations of Pb, Me-Hg, Mn, copper (Cu), zinc (Zn), arsenic (As), or metal mixtures measured in early life (prenatal period through 8 years of age) with cognition in children. In experimental studies, co-supplementation of Fe and Zn was associated with better memory and cognition than supplementation with either metal alone. Several observational studies reported interactions between Fe status and Pb, Mn, Zn, or As in relation to developmental indices, memory, attention, and behavior, whereby adverse associations of metals with cognition were worse among Fe-deficient children compared to Fe-sufficient children. Only two studies quantified joint associations of complex metal mixtures that included Fe with neurodevelopment, though findings from these studies were not consistent. Findings support memory and attention as two possible cognitive domains that may be both vulnerable to Fe deficiency and a target of metals toxicity. Major gaps in the literature remain, including evaluating Fe status as a modifier or mediator of metal mixtures and cognition. Given that Fe deficiency is the most common nutritional deficiency worldwide, characterizing Fe status in studies of metals toxicity is important for informing public health interventions.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9825008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epigenetics as a Biomarker for Early-Life Environmental Exposure. 表观遗传学作为生命早期环境暴露的生物标志物。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 DOI: 10.1007/s40572-022-00373-5
Rose Schrott, Ashley Song, Christine Ladd-Acosta
{"title":"Epigenetics as a Biomarker for Early-Life Environmental Exposure.","authors":"Rose Schrott,&nbsp;Ashley Song,&nbsp;Christine Ladd-Acosta","doi":"10.1007/s40572-022-00373-5","DOIUrl":"https://doi.org/10.1007/s40572-022-00373-5","url":null,"abstract":"<p><strong>Purpose of review: </strong>There is interest in evaluating the developmental origins of health and disease (DOHaD) which emphasizes the role of prenatal and early-life environments on non-communicable health outcomes throughout the life course. The ability to rigorously assess and identify early-life risk factors for later health outcomes, including those with childhood onset, in large population samples is often limited due to measurement challenges such as impractical costs associated with prospective studies with a long follow-up duration, short half-lives for some environmental toxicants, and lack of biomarkers that capture inter-individual differences in biologic response to external environments.</p><p><strong>Recent findings: </strong>Epigenomic patterns, and DNA methylation in particular, have emerged as a potential objective biomarker to address some of these study design and exposure measurement challenges. In this article, we summarize the literature to date on epigenetic changes associated with specific prenatal and early-life exposure domains as well as exposure mixtures in human observational studies and their biomarker potential. Additionally, we highlight evidence for other types of epigenetic patterns to serve as exposure biomarkers. Evidence strongly supports epigenomic biomarkers of exposure that are detectable across the lifespan and across a range of exposure domains. Current and future areas of research in this field seek to expand these lines of evidence to other environmental exposures, to determine their specificity, and to develop predictive algorithms and methylation scores that can be used to evaluate early-life risk factors for health outcomes across the life span.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10629698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Chemical Effects on Breast Development, Function, and Cancer Risk: Existing Knowledge and New Opportunities. 化学物质对乳房发育、功能和癌症风险的影响:现有知识和新机遇。
IF 7.4 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 DOI: 10.1007/s40572-022-00376-2
Jennifer E Kay, Bethsaida Cardona, Ruthann A Rudel, Laura N Vandenberg, Ana M Soto, Sofie Christiansen, Linda S Birnbaum, Suzanne E Fenton
{"title":"Chemical Effects on Breast Development, Function, and Cancer Risk: Existing Knowledge and New Opportunities.","authors":"Jennifer E Kay, Bethsaida Cardona, Ruthann A Rudel, Laura N Vandenberg, Ana M Soto, Sofie Christiansen, Linda S Birnbaum, Suzanne E Fenton","doi":"10.1007/s40572-022-00376-2","DOIUrl":"10.1007/s40572-022-00376-2","url":null,"abstract":"<p><p>Population studies show worrisome trends towards earlier breast development, difficulty in breastfeeding, and increasing rates of breast cancer in young women. Multiple epidemiological studies have linked these outcomes with chemical exposures, and experimental studies have shown that many of these chemicals generate similar effects in rodents, often by disrupting hormonal regulation. These endocrine-disrupting chemicals (EDCs) can alter the progression of mammary gland (MG) development, impair the ability to nourish offspring via lactation, increase mammary tissue density, and increase the propensity to develop cancer. However, current toxicological approaches to measuring the effects of chemical exposures on the MG are often inadequate to detect these effects, impairing our ability to identify exposures harmful to the breast and limiting opportunities for prevention. This paper describes key adverse outcomes for the MG, including impaired lactation, altered pubertal development, altered morphology (such as increased mammographic density), and cancer. It also summarizes evidence from humans and rodent models for exposures associated with these effects. We also review current toxicological practices for evaluating MG effects, highlight limitations of current methods, summarize debates related to how effects are interpreted in risk assessment, and make recommendations to strengthen assessment approaches. Increasing the rigor of MG assessment would improve our ability to identify chemicals of concern, regulate those chemicals based on their effects, and prevent exposures and associated adverse health effects.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9729163/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10637564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Occurrence and Risks of Per- and Polyfluoroalkyl Substances in Shellfish. 贝类中全氟烷基和多氟烷基物质的存在和风险。
IF 7.4 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 Epub Date: 2022-10-18 DOI: 10.1007/s40572-022-00379-z
Nathan G Giffard, Saige A Gitlin, Marta Rardin, Jonathan M Petali, Celia Y Chen, Megan E Romano
{"title":"Occurrence and Risks of Per- and Polyfluoroalkyl Substances in Shellfish.","authors":"Nathan G Giffard, Saige A Gitlin, Marta Rardin, Jonathan M Petali, Celia Y Chen, Megan E Romano","doi":"10.1007/s40572-022-00379-z","DOIUrl":"10.1007/s40572-022-00379-z","url":null,"abstract":"<p><strong>Purpose of review: </strong>Per- and polyfluoroalkyl substances (PFAS) are a diverse class of persistent, fluorinated surfactants used widely in industrial and commercial applications with known adverse health effects. Seafood consumption is thought to be an underappreciated source of PFAS exposure in the general population. This review synthesizes the current understanding of PFAS occurrence in shellfish, a term used to describe animals such as mollusk bivalves, certain gastropods (snails), cephalopods (e.g., octopuses and squid), and crustaceans, and highlights scientific gaps relative to bioaccumulation and the protection of shellfish consumers.</p><p><strong>Recent findings: </strong>A range of sampling methodologies are used across studies, and the suite of PFAS surveyed across studies is highly variable. Concentrations of PFAS observed in shellfish vary by geographic location, shellfish species, habitat, and across PFAS compounds, and studies informing estimates of bioaccumulation of PFAS in shellfish are extremely limited at this time. This review identifies several important opportunities for researchers to standardize PFAS sampling techniques, sample preparation, and analytical methodologies to allow for better comparison of PFAS analytes both within and across future studies. Increasing the range of geographic locations where samples are collected is also a critical priority to support a greater knowledge of worldwide PFAS contamination. When put into the context of risk to consumer, concentrations of PFAS, especially PFOS, found in shellfish collected from sites containing aqueous film-forming foam (AFFF) and industrial contamination may present risks to frequent consumers. Further research is needed to protect shellfish consumers and to inform shellfish advisories and health protective policies.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9841895/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10633192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing Differential Variability of High-Throughput DNA Methylation Data. 评估高通量DNA甲基化数据的差异性。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 DOI: 10.1007/s40572-022-00374-4
Hachem Saddiki, Elena Colicino, Corina Lesseur
{"title":"Assessing Differential Variability of High-Throughput DNA Methylation Data.","authors":"Hachem Saddiki,&nbsp;Elena Colicino,&nbsp;Corina Lesseur","doi":"10.1007/s40572-022-00374-4","DOIUrl":"https://doi.org/10.1007/s40572-022-00374-4","url":null,"abstract":"<p><strong>Purpose of review: </strong>DNA methylation (DNAm) is essential to human development and plays an important role as a biomarker due to its susceptibility to environmental exposures. This article reviews the current state of statistical methods developed for differential variability analysis focusing on DNAm data.</p><p><strong>Recent findings: </strong>With the advent of high-throughput technologies allowing for highly reliable and cost-effective measurements of DNAm, many epigenome studies have analyzed DNAm levels to uncover biological mechanisms underlying past environmental exposures and subsequent health outcomes. These studies typically focused on detecting sites or regions which differ in their mean DNAm levels among exposure groups. However, more recent studies highlighted the importance of identifying differentially variable sites or regions as biologically relevant features. Currently, the analysis of differentially variable DNAm sites has not yet gained widespread adoption in environmental studies; yet, it is important to examine the effects of environmental exposures on inter-individual epigenetic variability. In this article, we describe six of the most widely used statistical approaches for analyzing differential variability of DNAm levels and provide a discussion of their advantages and current limitations.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10632681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Is Greenness Associated with Dementia? A Systematic Review and Dose-Response Meta-analysis. 绿色与痴呆有关吗?系统评价和剂量-反应荟萃分析。
IF 7.9 2区 医学
Current Environmental Health Reports Pub Date : 2022-12-01 DOI: 10.1007/s40572-022-00365-5
Federico Zagnoli, Tommaso Filippini, Marcia P Jimenez, Lauren A Wise, Elizabeth E Hatch, Marco Vinceti
{"title":"Is Greenness Associated with Dementia? A Systematic Review and Dose-Response Meta-analysis.","authors":"Federico Zagnoli,&nbsp;Tommaso Filippini,&nbsp;Marcia P Jimenez,&nbsp;Lauren A Wise,&nbsp;Elizabeth E Hatch,&nbsp;Marco Vinceti","doi":"10.1007/s40572-022-00365-5","DOIUrl":"https://doi.org/10.1007/s40572-022-00365-5","url":null,"abstract":"<p><strong>Purpose of review: </strong>We assessed the relation between environmental greenness and risk of dementia and cognitive impairment, based on a systematic review and meta-analysis up to March 30, 2022, characterizing whenever possible the shape of the association using dose-response meta-analysis.</p><p><strong>Recent findings: </strong>Twelve studies were included in this review, either using normalized difference vegetation index (NDVI) or land use/cover (LU/LC) methodology to assess greenness. Comparing the highest versus lowest exposure categories of greenness assessed using the NDVI (6 studies) or LU/LC (6 studies), we found no association with dementia. Dose-response meta-analysis of the association between greenness measured by LU/LC and dementia, based on only 3 studies, indicated a U-shaped association, but estimates were imprecise. Our systematic review and meta-analysis provided some evidence of a slight inverse association between greenness and dementia at intermediate exposure levels, but not at high levels. Potential methodological limitations, such as exposure misclassification and unmeasured confounding, may have affected the results.</p>","PeriodicalId":10775,"journal":{"name":"Current Environmental Health Reports","volume":null,"pages":null},"PeriodicalIF":7.9,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9729322/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10685538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信