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https://www.readbyqxmd.com/read/29202112/epigenetic-effects-of-environmental-chemicals-insights-from-zebrafish
#1
Neelakanteswar Aluru
Zebrafish have been extensively used for studying vertebrate development and modeling human diseases such as cancer. In the last two decades, they have also emerged as an important model for developmental toxicology research and, more recently, for studying the developmental origins of health and disease (DOHaD). It is widely recognized that epigenetic mechanisms mediate the persistent effects of exposure to chemicals during sensitive windows of development. There is considerable interest in understanding the epigenetic mechanisms associated with DOHaD using zebrafish as a model system...
October 2017: Current Opinion in Toxicology
https://www.readbyqxmd.com/read/29186623/developmental-origins-of-health-and-disease-current-knowledge-and-potential-mechanisms
#2
Daniel J Hoffman, Rebecca M Reynolds, Daniel B Hardy
Epidemiologic and clinical research has provided a large body of evidence supporting the developmental origins of health and disease (DOHaD), but there has been a relative dearth of mechanistic studies in humans due to the complexity of working with large, longitudinal cohorts. Nonetheless, animal models of undernutrition have provided substantial evidence for the potential epigenetic, metabolic, and endocrine mechanisms behind DOHaD. Furthermore, recent research has explored the interaction between the environment and the gastrointestinal system by investigating how the gut microbial ecology may impact the capacity for nutrient processing and absorption in a manner that may limit growth...
December 1, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29115964/the-matex-cohort-a-finnish-population-register-birth-cohort-to-study-health-effects-of-prenatal-exposures
#3
Isabell K Rumrich, Kirsi Vähäkangas, Matti Viluksela, Mika Gissler, Heljä-Marja Surcel, Hanna de Ruyter, Jukka Jokinen, Otto Hänninen
BACKGROUND: The prevalence of chronic diseases, such as immune, neurobehavioral, and metabolic disorders has increased in recent decades. According to the concept of Developmental Origin of Health and Disease (DOHaD), developmental factors associated with environmental exposures and maternal lifestyle choices may partly explain the observed increase. Register-based epidemiology is a prime tool to investigate the effects of prenatal exposures over the whole life course. Our aim is to establish a Finnish register-based birth cohort, which can be used to investigate various (prenatal) exposures and their effects during the whole life course with first analyses focusing on maternal smoking and air pollution...
November 7, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29044926/optical-coherence-tomography-guided-carotid-artery-stent-procedure-technique-and-potential-applications
#4
Suhail Dohad, Alexander Zhu, Sandeep Krishnan, Frances Wang, Serena Wang, Justin Cox, Timothy D Henry
OBJECTIVES: To (1) present a guide on how to perform optical coherence tomography (OCT) in carotid artery stenting (CAS), to (2) highlight several instructive cases illustrating OCT-guidance as an interventional strategy, and to (3) present the largest case-series of OCT-guided CAS performed in North America, demonstrating its feasibility as an imaging modality in this setting. BACKGROUND: OCT is an intravascular imaging method that captures images with an axial resolution 10 times higher than intravascular ultrasound...
October 16, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28889823/epigenetics-and-dohad-from-basics-to-birth-and-beyond
#5
T Bianco-Miotto, J M Craig, Y P Gasser, S J van Dijk, S E Ozanne
Developmental origins of health and disease (DOHaD) is the study of how the early life environment can impact the risk of chronic diseases from childhood to adulthood and the mechanisms involved. Epigenetic modifications such as DNA methylation, histone modifications and non-coding RNAs are involved in mediating how early life environment impacts later health. This review is a summary of the Epigenetics and DOHaD workshop held at the 2016 DOHaD Society of Australia and New Zealand Conference. Our extensive knowledge of how the early life environment impacts later risk for chronic disease would not have been possible without animal models...
September 11, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28888333/maternal-long-chain-polyunsaturated-fatty-acid-status-and-pregnancy-complications
#6
REVIEW
Nisha Wadhwani, Vidya Patil, Sadhana Joshi
Maternal nutrition plays a crucial role in influencing fetal growth and birth outcome. Any nutritional insult starting several weeks before pregnancy and during critical periods of gestation is known to influence fetal development and increase the risk for diseases during later life. Literature suggests that chronic adult diseases may have their origin during early life - a concept referred to as Developmental Origins of Health and Disease (DOHaD) which states that adverse exposures early in life "program" risks for later chronic disorders...
August 15, 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28870276/the-developing-world-of-dohad
#7
K Suzuki
Since its debut in a ground-breaking report by Barker and Osmond in 1986, the concept of the Developmental Origins of Health and Disease (DOHaD) has been further developed in several aspects. Its methodology and conclusions relating to proposed origins and outcomes of early life events have been developing and spreading internationally. Indeed, the DOHaD concept now seems to have influenced many fields of research. This article aims to briefly review why the DOHaD concept is important in biomedical science, how it has developed, is currently developing, and how it should develop in future...
September 5, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28838764/prenatal-growth-and-ckd-in-older-adults-longitudinal-findings-from-the-helsinki-birth-cohort-study-1924-1944
#8
Johan G Eriksson, Minna K Salonen, Eero Kajantie, Clive Osmond
BACKGROUND: According to the Developmental Origins of Health and Disease (DOHaD) hypothesis, several noncommunicable diseases, including hypertension, type 2 diabetes, and coronary heart disease, have their origins in early life. Chronic kidney disease (CKD) has traditionally been assumed to develop as the result of an interaction between genetic and environmental factors, although more recently, the importance of factors present early in life has been recognized. STUDY DESIGN: Longitudinal birth cohort study...
August 22, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28829006/responsibility-in-the-age-of-developmental-origins-of-health-and-disease-dohad-and-epigenetics
#9
H Ismaili M'hamdi, I de Beaufort, B Jack, E A P Steegers
Insights from the Developmental Origins of Health and Disease paradigm and epigenetics are elucidating the biological pathways through which social and environmental signals affect human health. These insights prompt a serious debate about how the structure of society affects health and what the responsibility of society is to counteract health inequalities. Unfortunately, oversimplified interpretations of insights from Developmental Origins of Health and Disease and epigenetics may be (mis)used to focus on the importance of individual responsibility for health rather than the social responsibility for health...
August 22, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28805172/the-developmental-origins-of-health-and-disease-and-sustainable-development-goals-mapping-the-way-forward
#10
N Kajee, E Sobngwi, A Macnab, A S Daar
In this paper, meant to stimulate debate, we argue that there is considerable benefit in approaching together the implementation of two seemingly separate recent developments. First, on the global development agenda, we have the United Nations General Assembly's 2015 finalized list of 17 Sustainable Development Goals (SDGs). Several of the SDGs are related to health. Second, the field of Developmental Origins of Health and Disease (DOHaD) has garnered enough compelling evidence demonstrating that early exposures in life affect not only future health, but that the effects of that exposure can be transmitted across generations - necessitating that we begin to focus on prevention...
August 14, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28764817/the-rpmi-1640-vitamin-mixture-promotes-bovine-blastocyst-development-in-vitro-and-downregulates-gene-expression-of-txnip-with-epigenetic-modification-of-associated-histones
#11
S Ikeda, M Sugimoto, S Kume
Diverse environmental conditions surrounding preimplantation embryos, including available nutrients, affect their metabolism and development in both short- and long-term manner. Thioredoxin-interacting protein (TXNIP) is a possible marker for preimplantation stress that is implicated in in vitro fertilization- (IVF) induced long-term DOHaD effects. B vitamins, as participants in one-carbon metabolism, may affect preimplantation embryos by epigenetic alterations of metabolically and developmentally important genes...
August 2, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28752055/maternal-obesity-programs-increased-leptin-gene-expression-in-rat-male-offspring-via-epigenetic-modifications-in-a-depot-specific-manner
#12
Simon Lecoutre, Frederik Oger, Charlène Pourpe, Laura Butruille, Lucie Marousez, Anne Dickes-Coopman, Christine Laborie, Céline Guinez, Jean Lesage, Didier Vieau, Claudine Junien, Delphine Eberlé, Anne Gabory, Jérôme Eeckhoute, Christophe Breton
OBJECTIVE: According to the Developmental Origin of Health and Disease (DOHaD) concept, maternal obesity and accelerated growth in neonates predispose offspring to white adipose tissue (WAT) accumulation. In rodents, adipogenesis mainly develops during lactation. The mechanisms underlying the phenomenon known as developmental programming remain elusive. We previously reported that adult rat offspring from high-fat diet-fed dams (called HF) exhibited hypertrophic adipocyte, hyperleptinemia and increased leptin mRNA levels in a depot-specific manner...
August 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28715931/understanding-and-acting-on-the-developmental-origins-of-health-and-disease-in-africa-would-improve-health-across-generations
#13
Shane A Norris, Abdallah Daar, Dorairajan Balasubramanian, Peter Byass, Elizabeth Kimani-Murage, Andrew Macnab, Christoff Pauw, Atul Singhal, Chittaranjan Yajnik, James Akazili, Naomi Levitt, Jihene Maatoug, Nolwazi Mkhwanazi, Sophie E Moore, Moffat Nyirenda, Juliet R C Pulliam, Tamsen Rochat, Rihlat Said-Mohamed, Soraya Seedat, Eugene Sobngwi, Mark Tomlinson, Elona Toska, Cari van Schalkwyk
Data from many high- and low- or middle-income countries have linked exposures during key developmental periods (in particular pregnancy and infancy) to later health and disease. Africa faces substantial challenges with persisting infectious disease and now burgeoning non-communicable disease.This paper opens the debate to the value of strengthening the developmental origins of health and disease (DOHaD) research focus in Africa to tackle critical public health challenges across the life-course. We argue that the application of DOHaD science in Africa to advance life-course prevention programmes can aid the achievement of the Sustainable Development Goals, and assist in improving health across generations...
2017: Global Health Action
https://www.readbyqxmd.com/read/28683663/using-fathers-as-a-negative-control-exposure-to-test-the-developmental-origins-of-health-and-disease-hypothesis-a-case-study-on-maternal-distress-and-offspring-asthma-using-swedish-register-data
#14
Bronwyn K Brew, Tong Gong, Dylan M Williams, Henrik Larsson, Catarina Almqvist
BACKGROUND: Developmental Origins of Health and Disease Hypothesis (DOHaD) studies are often observational in nature and are therefore prone to biases from loss to follow-up and unmeasured confounding. Register-based studies can reduce these issues since they allow almost complete follow-up and provide information on fathers that can be used in a negative control analysis to assess the impact of unmeasured confounding. AIM: The aim of this study was to propose a causal model for testing DOHaD using paternal exposure as a negative control, and its application to maternal distress in pregnancy and offspring asthma...
July 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28676096/global-gene-expression-profiling-and-senescence-biomarker-analysis-of-hesc-exposed-to-h2o2-induced-non-cytotoxic-oxidative-stress
#15
Maria Barandalla, Hui Shi, Hui Xiao, Silvia Colleoni, Cesare Galli, Pietro Lio, Matthew Trotter, Giovanna Lazzari
BACKGROUND: Human embryonic stem cells (hESCs) potentially offer new routes to study, on the basis of the Developmental Origins of Health and Disease (DOHaD) concept, how the maternal environment during pregnancy influences the offspring's health and can predispose to chronic disease in later life. Reactive oxygen species (ROS), antioxidant defences and cellular redox status play a key function in gene expression regulation and are involved in diabetes and metabolic syndromes as in ageing...
July 5, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28637517/priorities-for-african-youth-for-engaging-in-dohad
#16
A J Macnab, R Mukisa
A challenge for implementing DOHaD-defined health promotion is how to engage the at-risk population. The WHO Health Promoting School (HPS) model has proven success engaging youth and improving health behaviors. Hence, we introduced DOHaD concepts to 151 pupils aged 12-15 years in three HPS programs in rural Uganda, inquired what factors would make DOHaD-related health promotion resonate with them, and discussed how they recommended making learning about DOHaD acceptable to youth. Economic factors were judged the most compelling; with nutrition and responsive care elements next in importance...
June 22, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28567415/neurodevelopmental-disorders-and-environmental-toxicants-epigenetics-as-an-underlying-mechanism
#17
REVIEW
Nguyen Quoc Vuong Tran, Kunio Miyake
The increasing prevalence of neurodevelopmental disorders, especially autism spectrum disorders (ASD) and attention deficit hyperactivity disorder (ADHD), calls for more research into the identification of etiologic and risk factors. The Developmental Origin of Health and Disease (DOHaD) hypothesizes that the environment during fetal and childhood development affects the risk for many chronic diseases in later stages of life, including neurodevelopmental disorders. Epigenetics, a term describing mechanisms that cause changes in the chromosome state without affecting DNA sequences, is suggested to be the underlying mechanism, according to the DOHaD hypothesis...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28537579/developmental-origins-of-diabetes-an-indian-perspective
#18
REVIEW
G V Krishnaveni, C S Yajnik
The developmental origins of health disease (DOHaD) hypothesis proposes that altered environmental influences (nutrition, metabolism, pollutants, stress and so on) during critical stages of fetal growth predisposes individuals to diabetes and other non-communicable disease in later life. This phenomenon is thought to reflect permanent effects ('programming') of unbalanced fetal development on physiological systems. Intrauterine programming may underlie the characteristic Indian 'thin-fat' phenotype and the current unprecedented epidemic of diabetes on the backdrop of multigenerational maternal undernutrition in the country...
July 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28528582/searching-the-web-a-survey-on-the-quality-of-advice-on-postnatal-sequelae-of-intrauterine-growth-restriction-and-the-implication-of-developmental-origins-of-health-and-disease
#19
S Perzel, H Huebner, W Rascher, C Menendez-Castro, A Hartner, F B Fahlbusch
Intrauterine growth restriction (IUGR) and fetal growth restriction (FGR) are pregnancy complications associated with morbidity in later life. Despite a growing body of evidence from current research on developmental origins of health and disease (DOHaD), little information is currently provided to parents on long-term metabolic, cardiovascular and neurologic consequences. As parents strongly rely on internet-based health-related information, we examined the quality of information on IUGR/FGR sequelae and DOHaD in webpages used by laypersons...
May 22, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28509893/spontaneous-coronary-artery-dissection-insights-from-histology-and-optical-coherence-tomography
#20
Sandeep K Krishnan, Alex Zhu, Brent Larson, Timothy D Henry, Suhail Dohad
Spontaneous coronary artery dissection (SCAD) is a well-known but infrequent cause of acute coronary syndrome (ACS), and often goes unrecognized. Although management of SCAD is, at times, controversial, when a patient presents with ACS, percutaneous coronary intervention (PCI) is frequently necessary. We present a patient with ST-segment elevation myocardial infarction (STEMI) with SCAD that illustrates two important points: use of intracoronary optical coherence tomography to guide PCI, and histologic assessment to provide a unique insight into the etiology of SCAD...
2017: Reviews in Cardiovascular Medicine
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