The role of the placenta in fetal programming

John R G Challis, Kent Thornburg, Felice Petraglia

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    The rise in rates of non-communicable diseases that emerged over the past 20 years is without precedent. The causes of the epidemic remain enigmatic. The usual explanation, that disease is caused by poor genes or detrimental lifestyle choices are inadequate to explain the rapid time course. However, the work of David Barker and colleagues, published some 25 years ago, showed powerful relationships between low birthweight and risk for adult onset type 2 diabetes and offered new ways of thinking regarding the origins of chronic disease. It is now evident that (i) programming later life health or disease begins at conception or earlier, at different windows of developmental plasticity through altered structural or epigenetic responses; (ii) prenatal changes predispose to altered post natal environmental responses (epigenome x environment, E2, interaction) and (iii) the placenta has a central role in mediating these effects. While the placenta is known to be the conduit through which maternal nutrients reach the embryo and fetus, the mechanisms that underlie the transport of the vast number of nutrients is complex and includes, diffusion, active transport and vesicular transport. These transport systems are influenced by maternal body composition and physiological state. The predilection for various chronic diseases among adults is associated with placental size and shape. The physiological features of the maternal, fetal and placental units are important in regulating transport function of the placenta. Levels of 11β hydroxysteroid dehydrogenase influence the degree to which maternal cortisol reaches the fetal circulation. Maternal under and over-nutritional states affect the fetal HPA axis beyond birth. Five year old offspring of periconceptional undernourished ewes have reduced hypothalamic GR promoter methylation, increased levels of glucocorticoid receptor mRNA and protein and increased adiposity. Thus, the research task of the next generation will be to determine 1) the appropriate use of glucocorticoids in clinical practice balancing potential detrimental effects on offspring, 2) the roles of maternal nutritional state before and during pregnancy and their short term effects on placental function and long term effects on offspring and 3) the degree to which biomarkers associated with maternal conditions can predict disease in offspring.

    Original languageEnglish (US)
    Title of host publicationStress and Developmental Programming of Health and Disease: Beyond Phenomenology
    PublisherNova Science Publishers, Inc.
    Pages375-386
    Number of pages12
    ISBN (Print)9781634633703, 9781633218369
    StatePublished - Oct 1 2014

    Fingerprint

    Fetal Development
    Placenta
    Mothers
    Chronic Disease
    11-beta-Hydroxysteroid Dehydrogenases
    Food
    Active Biological Transport
    Glucocorticoid Receptors
    Adiposity
    Body Composition
    Epigenomics
    Type 2 Diabetes Mellitus
    Methylation
    Glucocorticoids
    Hydrocortisone
    Life Style
    Fetus
    Embryonic Structures
    Biomarkers
    Parturition

    Keywords

    • Birthweight
    • Cortisol
    • Glucocorticoids
    • Maternal nutrition
    • Non-comunicable disease
    • Placenta
    • Programming
    • Undernutrition

    ASJC Scopus subject areas

    • Medicine(all)

    Cite this

    Challis, J. R. G., Thornburg, K., & Petraglia, F. (2014). The role of the placenta in fetal programming. In Stress and Developmental Programming of Health and Disease: Beyond Phenomenology (pp. 375-386). Nova Science Publishers, Inc..

    The role of the placenta in fetal programming. / Challis, John R G; Thornburg, Kent; Petraglia, Felice.

    Stress and Developmental Programming of Health and Disease: Beyond Phenomenology. Nova Science Publishers, Inc., 2014. p. 375-386.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Challis, JRG, Thornburg, K & Petraglia, F 2014, The role of the placenta in fetal programming. in Stress and Developmental Programming of Health and Disease: Beyond Phenomenology. Nova Science Publishers, Inc., pp. 375-386.
    Challis JRG, Thornburg K, Petraglia F. The role of the placenta in fetal programming. In Stress and Developmental Programming of Health and Disease: Beyond Phenomenology. Nova Science Publishers, Inc. 2014. p. 375-386
    Challis, John R G ; Thornburg, Kent ; Petraglia, Felice. / The role of the placenta in fetal programming. Stress and Developmental Programming of Health and Disease: Beyond Phenomenology. Nova Science Publishers, Inc., 2014. pp. 375-386
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