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Bronner C, Mousli M, Burger A, Mély Y. La première étape de la transmission d’un caractère épigénétique suivie par fluorescence. Med Sci (Paris) 2017; 33:717-719. [DOI: 10.1051/medsci/20173308010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Junien C, Panchenko P, Pirola L, Amarger V, Kaeffer B, Parnet P, Torrisani J, Bolaños Jimenez F, Jammes H, Gabory A. [The new paradigm of the developmental origin of health and diseases (DOHaD)--Epigenetics and environment: evidence and missing links]. Med Sci (Paris) 2016; 32:27-34. [PMID: 26850604 DOI: 10.1051/medsci/20163201006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
According to the new paradigm of the Developpemental Origins of Health and Disease (DOHaD), the environmental factors to which an individual is exposed throughout his life can leave an epigenetic footprint on the genome. A crucial period is the early development, where the epigenome is particularly sensitive to the effects of the environment, and during which the individual builds up his health capital that will enable him to respond more or less well to the vagaries of life. The research challenge is to decipher the modes of action and the epigenetic mechanisms put into play by environmental factors that lead to increased disease susceptibility or resilience. The challenge for health is to translate these scientific discoveries into action through, among others, the establishment of preventive recommendations to slow down the growing incidence of non communicable diseases.
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Affiliation(s)
- Claudine Junien
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78352 Jouy-en-Josas, France
| | - Polina Panchenko
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78352 Jouy-en-Josas, France - Université Pierre et Marie Curie, F-75005 Paris, France
| | | | - Valérie Amarger
- UMR 1280 Inra université de Nantes, Institut des maladies de l'appareil digestif, Nantes, France
| | - Bertrand Kaeffer
- UMR 1280 Inra université de Nantes, Institut des maladies de l'appareil digestif, Nantes, France
| | - Patricia Parnet
- UMR 1280 Inra université de Nantes, Institut des maladies de l'appareil digestif, Nantes, France
| | - Jérôme Torrisani
- Inserm UMR1037, Centre de recherche en cancérologie de Toulouse, université de Toulouse III Paul Sabatier, F-31037 Toulouse, France
| | | | - Hélène Jammes
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78352 Jouy-en-Josas, France
| | - Anne Gabory
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78352 Jouy-en-Josas, France
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Kasprzyk L, Defossez PA, Miotto B. [Epigenetic regulation in neuronal differentiation and brain function]. Biol Aujourdhui 2013; 207:1-17. [PMID: 23694721 DOI: 10.1051/jbio/2013001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2012] [Indexed: 11/15/2022]
Abstract
DNA methylation compacts chromatin structure and represses gene transcription. It is important for numerous cellular processes, including embryonic development, X-chromosome inactivation, suppression of transposable elements, and cellular differentiation. In addition, environmental cues, including drugs, pollutants, trauma or early-life social environment, alter DNA methylation patterns in different organs. For instance, studies have unravelled a complex and dynamic interplay between environment, DNA methylation and neuron function during development and in the adult. This crosstalk is hypothesized as an essential molecular event underlying the effects of long-term memory, drug addiction, and several psychotic and behavioural disorders. In this review, we give a summary of this exciting field of research and highlight the molecular functions of DNA methylation and of proteins interacting with methylated DNA.
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Affiliation(s)
- Laetitia Kasprzyk
- Unité d'Épigénétique et Destin Cellulaire, CNRS UMR7216, Université Paris Diderot 35, rue Hélène Brion, 75205 Paris Cedex 13, France
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