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Saavedra LPJ, Piovan S, Moreira VM, Gonçalves GD, Ferreira ARO, Ribeiro MVG, Peres MNC, Almeida DL, Raposo SR, da Silva MC, Barbosa LF, de Freitas Mathias PC. Epigenetic programming for obesity and noncommunicable disease: From womb to tomb. Rev Endocr Metab Disord 2024; 25:309-324. [PMID: 38040983 DOI: 10.1007/s11154-023-09854-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/15/2023] [Indexed: 12/03/2023]
Abstract
Several epidemiological, clinical and experimental studies in recent decades have shown the relationship between exposure to stressors during development and health outcomes later in life. The characterization of these susceptible phases, such as preconception, gestation, lactation and adolescence, and the understanding of factors that influence the risk of an adult individual for developing obesity, metabolic and cardiovascular diseases, is the focus of the DOHaD (Developmental Origins of Health and Disease) research line. In this sense, advancements in molecular biology techniques have contributed significantly to the understanding of the mechanisms underlying the observed phenotypes, their morphological and physiological alterations, having as a main driving factor the epigenetic modifications and their consequent modulation of gene expression. The present narrative review aimed to characterize the different susceptible phases of development and associated epigenetic modifications, and their implication in the development of non-communicable diseases. Additionally, we provide useful insights into interventions during development to counteract or prevent long-term programming for disease susceptibility.
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Affiliation(s)
- Lucas Paulo Jacinto Saavedra
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Silvano Piovan
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Veridiana Mota Moreira
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Gessica Dutra Gonçalves
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Anna Rebeka Oliveira Ferreira
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Maiara Vanusa Guedes Ribeiro
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Maria Natália Chimirri Peres
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Douglas Lopes Almeida
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Scarlett Rodrigues Raposo
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Mariane Carneiro da Silva
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Letícia Ferreira Barbosa
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil
| | - Paulo Cezar de Freitas Mathias
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringá, 5790 Av Colombo, Sala 19, Maringá, PR, 87020-900, Brazil.
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Verney C, Vitalis T. [Stress during prenatal and early postnatal period when everything begins]. Med Sci (Paris) 2023; 39:744-753. [PMID: 37943135 DOI: 10.1051/medsci/2023124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023] Open
Abstract
Early severe stresses are known to affect the biological and psychological development in childhood. Good and adaptable stress during prenatal and early postnatal period can switch to traumatic during these highly susceptible developmental stages. These different stresses modulate genetic/epigenetic processes and the setting up of connectome during these highly plastic and adaptable time periods. The polyvagal processes control the base of the security/well-being perception of the newborn by the onset of synchronized interactions between the mother/parent/nurse and the baby. These positive adjustments in mirror lead to attachment and social links and to implicit learning processes leading to a balanced emotional and cognitive development.
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Affiliation(s)
- Catherine Verney
- Université de Paris, NeuroDiderot, Paris, France - Association Ensemble pour l'éducation de la petite enfance, 37 allée du Forum, 92100 Boulogne-Billancourt, France
| | - Tania Vitalis
- Université de Paris, NeuroDiderot, Paris, France - Inserm, Paris, U1141, hôpital Robert-Debré, 48 boulevard Sérurier, 75019 Paris, France
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Longo V, Drago G, Longo A, Ruggieri S, Sprovieri M, Cibella F, Colombo P. A multipollutant low-grade exposure regulates the expression of miR-30b, Let-7a and miR-223 in maternal sera: Evidence from the NEHO cohort. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:157051. [PMID: 35780881 DOI: 10.1016/j.scitotenv.2022.157051] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/14/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
There is growing evidence that environmental pollutants can induce epigenetic modifications altering the balance of miRNAs and inducing the onset of pathological conditions in animals. In this study, we measured the serum concentration of a suite of inorganic and organic pollutants (Cu, Zn, Se, Hg, HCB, p,p'-DDE, PCBs) and their association to serum miR-30b, miR-223 and Let-7a microRNA expression in 68 healthy pregnant women from the NEHO birth cohort sited in a highly industrialized area. The effects of the pollutants on the modulation of circulating miRNAs' expression were first investigated using linear continuous regression models with a single-compound approach showing that miR-223 expression was significantly associated with serum concentration of Se and Zn (pSe = 0.0336; pZn = 0.0225) and miR-30b was associated with Hg levels (pHg = 0.019). Furthermore, when contaminants were categorized into tertiles, miR-223 and miR-30b showed a positive association with higher tertiles of Zn, p,p'-DDE (pZn = 0.023; pDDE = 0.041) and Hg (pHg = 0.008), respectively. Moreover, Let-7a expression was exclusively influenced by medium tertiles levels of Se (low vs medium tertiles, p = 0.001). Simultaneous exposure to multi-pollutant mixture was approached by WQS regression model. Statistical analysis shows a driving effect of Zn, Se, Cu, Hg and HCB on significant increased expression of Let-7a (p = 0.045). Mercury and Se significantly amplified the expression for miR-30b (p = 0.038). Differently, the combined effect of p,p'-DDE, Zn and Se decreased miR-223 expression (p = 0.0001). The documented modified expression of circulating miRNAs in the serum of pregnant women, exposed to low-medium dose contaminants mixtures offers innovative early-warning approaches to human health risk assessment.
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Affiliation(s)
- Valeria Longo
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Gaspare Drago
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Alessandra Longo
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Silvia Ruggieri
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Mario Sprovieri
- Institute of Anthropic Impacts and Sustainability in Marine Environment, National Research Council of Italy (CNR-IAS), via del Mare 3, 91021 Torretta Granitola, Trapani, Italy
| | - Fabio Cibella
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Paolo Colombo
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy.
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Cot S, Durand D, Daniel S, Paris S, Millot I, Binquet C. [Not Available]. SANTE PUBLIQUE (VANDOEUVRE-LES-NANCY, FRANCE) 2022; 34:71-85. [PMID: 36102094 DOI: 10.3917/spub.221.0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
INTRODUCTION The environment and living conditions of parents during the "first 1000 days" period influence the short- and long-term health trajectories of children. Professionals following pregnancies play an important role in advising future parents to adopt health-promoting behaviors. It appeared necessary to describe the prevention messages transmitted by professionals early in pregnancy. OBJECTIVES To identify the prevention messages systematically delivered during the first trimester of pregnancy and determine the degree of priority that professionals (midwives, obstetricians, general practitioners) of Bourgogne-Franche-Comté give to them. RESULTS Prevention messages on infectious risk were addressed by 96.5% of respondents, and those on risk behaviors and addictions by 93.7%. Dietary balance and sports activities (78.5%), as well as risks in the daily life (47.1%) were less delivered. The messages that professionals declared to be delivered systematically to pregnant women during the first trimester were generally those that they considered to be priorities. There were some differences depending on the professional. Regarding information media, the majority of respondents did not use any. They agreed on the importance of a paper-based information medium and wished to be able to rely on a digital medium (62.6%). CONCLUSION The co-construction of support that meets the needs of both women and professionals and that is validated by health authorities would contribute to better consideration and promotion of health-promoting behaviors by parents, by promoting empowerment of women and couples from the beginning of pregnancy.
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Beuzelin D, Pitard B, Kaeffer B. Oral Delivery of miRNA With Lipidic Aminoglycoside Derivatives in the Breastfed Rat. Front Physiol 2019; 10:1037. [PMID: 31456698 PMCID: PMC6700720 DOI: 10.3389/fphys.2019.01037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/29/2019] [Indexed: 12/16/2022] Open
Abstract
CONTEXT Specific targeting of endogenous miRNAs which are involved in epigenetics, may help understanding homeostasis with therapeutic benefits. We use new biologically inspired vehicles consisting of lipoaminoglycosides to deliver in vivo mir-320-3p, a known human breast milk exosomal miRNA, or its antagomiR. MATERIALS AND METHODS Four lipoaminoglycosides were screened for cytotoxicity and their biophysical properties. 1-h breast-restricted rats received single-oral treatment of either the lipoaminoglycoside Dioleyl-Succinyl Paromomycin (DOSP) complexed with miRNA or antagomiR, or of control medium at the light on (ZeitGeber Time: ZT-0H) or off (ZT-12H). Glycemia, triglycerides, cholesterol, free-fatty acid were assayed at 0, 4, 8, and 12 h post-treatment. In the stomach, small intestine, liver, plasma, adipose tissue, plexus choroid, and cortex, relevant miRNA with precursors and mRNA (polr3d, hspb6, c-myc, stat1, clock, bmal1, per1, npas2, sirt1-6, and cyclinD1) were quantified by q-PCR. Expression of POLR3D and HSPB6 proteins were analyzed in stomach and liver by Western blot. Immunoprecipitations with anti-AGO1 and 2 were performed on nuclear and cytoplasmic fractions of gastric cells along with detection of miRNA-320-3p in nucleoli. Chromatin ImmunoPrecipitation with anti-Trimethyl-histone-3-Lys-4 and Lys-27 detecting the polr3d promoter and miR-320-3p, were performed for all groups. RESULTS Selected DOSP (diameter: 80-200 nm) did not alter gastric extracellular vesicle secretion a few hours after intake. The miR-320-3p was mainly found in gastric or small intestinal cells, reaching the blood and liver in low amount. We have found significant up-regulation of polr3d mRNA (ANOVA, p < 0.0001) at ZT-20H for the miR-320-3p-supplemented group and a higher expression of POLR3D for antagomiR group (ANOVA, p < 0.05). We had a low accumulation of miR-320-3p at ZT-20H in nucleoli, without stat1 evolution. Delivering a high amount of miRNA or antagomiR disrupts RNA-Induced Silencing Complexes in cytoplasm triggering some transfer of extracellular molecules into nuclei with alteration of immune complexes on the polr3d promoter (with a higher amount found in the K4 histone-3-me3 immune complexes at ZT-20H). CONCLUSION Extracellular miRNAs embedded in DOSP have a rapid impact on RNAi and on nuclear chromatin complexes depending on the daily rhythm. An integrative view of the impact of extracellular miRNA on physiology will improve assaying epigenetic manipulations following nutritional stress.
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Affiliation(s)
- Diane Beuzelin
- UMR 1280, NUN, Institut National de la Recherche Agronomique, Nantes, France
| | - Bruno Pitard
- Centre de Recherche en Cancérologie et Immunologie Nantes Angers (CRCINA), Institut National de la Santé et de la Recherche Médicale (INSERM), Université d’Angers, Université de Nantes, Nantes, France
| | - Bertrand Kaeffer
- UMR 1280, NUN, Institut National de la Recherche Agronomique, Nantes, France
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Ravel C, Kah O. [Endocrine disrupters: Towards an unsatisfying regulation]. Presse Med 2018; 47:943-949. [PMID: 30217365 DOI: 10.1016/j.lpm.2018.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 05/17/2018] [Accepted: 08/07/2018] [Indexed: 10/28/2022] Open
Abstract
Endocrine disruptors commonly make the headlines of newscasts and magazines, which is not without generating questions, even anxieties, with the general public. In a recent survey, 90% of French people considered it desirable to set up regulations concerning endocrine disruptors. However, under pressure from the lobbies of the chemical industry, and also due to scientific conflicts, the European Union is slow to legislate and has even been condemned before the European Court for failing to fulfill its obligations. This article does not intend to be exhaustive on the issue of endocrine disrupters, but rather to give the reader a certain number of keys enabling him to understand why national or European regulators are slow to establish specific regulation.
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Affiliation(s)
- Célia Ravel
- Université de Rennes 1, institut de recherche en santé, environnement et travail (Inserm U1085), 9, avenue Professeur-Léon-Bernard, 35000 Rennes, France; CHU de Rennes, hôpital Sud, laboratoire de biologie de la reproduction, CECOS, 16, boulevard de Bulgarie, 35203 Rennes cedex 2, France.
| | - Olivier Kah
- Université de Rennes 1, institut de recherche en santé, environnement et travail (Inserm U1085), 9, avenue Professeur-Léon-Bernard, 35000 Rennes, France.
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Kelishadi R, Qorbani M, Assadi F, Motlagh ME, Djalalinia S, Shahsavari A, Ziaodini H, Taheri M, Shafiee G, Aminianfar A, Esmaeili S, Aminaei T, Mansourian M, Heshmat R. Glomerular Hyperfiltration as Predictor of Cardiometabolic Risk Factors among Children and Adolescents: The Childhood and Adolescence Surveillance and Prevention of Adult-V Study. Int J Prev Med 2018; 9:33. [PMID: 29619157 PMCID: PMC5869957 DOI: 10.4103/ijpvm.ijpvm_38_18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 11/21/2017] [Indexed: 12/17/2022] Open
Abstract
Background The prevalence of glomerular hyperfiltration and chronic kidney disease is increasing worldwide in parallel with obesity hypertension epidemic. The effect of increases in glomerular filtrations (GFR) in children with metabolic syndrome has not been studied. The purpose of the present study is to investigate the relationship between GFR and cardiometabolic risk factors in a large sample of pediatric population. Methods In this nationwide survey, 3800 participants were selected by cluster random sampling from 30 provinces in Iran. Anthropometric measures, biochemical, and clinical parameters were measured. We also measured estimated GFR (eGFR) using the recently modified Schwartz equations and other known cardiometabolic risk factors such as elevated total cholesterol, high low-density lipoprotein cholesterol (LDL-C), and obesity. Results The response rate was 91.5% (n = 3843). The mean and standard deviation (SD) (Mean ± SD) of eGFR for girls, boys, and total population were 96.71 ± 19.46, 96.49 ± 21.69, and 96.59 ± 20 ml/min/1.73 m2, respectively. Overall, 38.7% of the participants did not have any cardiometabolic risk factor. In multivariate models, the risk of elevated systolic blood pressure (BP) (odds ratio [OR]: 1.48; 95% confidence interval [CI]: 1.08-2.02), elevated diastolic BP (OR: 1.48; 95% CI: 1.08-2.02), elevated LDL-C (OR: 1.35; 95% CI: 1.07-1.70), and obesity (OR: 1.70; 95%CI: 1.24-2.33) were significantly higher in participants with higher eGFR level than those with the lower level but not with low level of high-density lipoprotein cholesterol (OR: 0.72; 95% CI: 0.60-0.88). Conclusions This study demonstrates an association between glomerular hyperfiltration and obesity-related hypertension in a large sample of the Iranian pediatric population, independently of other classical risk factors.
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Affiliation(s)
- Roya Kelishadi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mostafa Qorbani
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.,Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Farahnak Assadi
- Department of Pediatrics, Division of Nephrology, Rush University Medical Center, Chicago, Illinois, USA
| | | | - Shirin Djalalinia
- Development of Research Technology Center, Deputy of Research and Technology, Ministry of Health and Medical Education, Tehran, Iran
| | - Ali Shahsavari
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hasan Ziaodini
- Department of Health, Bureau of Health and Fitness, Ministry of Education and Training, Tehran, Iran
| | - Majzoubeh Taheri
- Department of Epidemiology, Office of Adolescents and School Health, Ministry of Health and Medical Education, Tehran, Iran
| | - Gita Shafiee
- Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Azadeh Aminianfar
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Sajjad Esmaeili
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Tahereh Aminaei
- Department of Epidemiology, Office of Adolescents and School Health, Ministry of Health and Medical Education, Tehran, Iran
| | - Morteza Mansourian
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ramin Heshmat
- Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Messina A, Langlet F, Prevot V. [MicroRNAs: new players in the hypothalamic control of fertility]. Med Sci (Paris) 2017; 33:506-511. [PMID: 28612726 DOI: 10.1051/medsci/20173305014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
MicroRNAs are small non-coding RNAs that modulate gene expression post-transcriptionally. Discovered more than 15 years ago, their functions start to be unraveled. Increasing evidence points to an important functional role of microRNAs in brain development. In particular, miRNAs have recently been established to play a vital role in the mechanisms underlying the infantile rise in gonadotropin-releasing hormone (GnRH) production by neurons in the hypothalamus, a phenomenon necessary for the onset of puberty in mammals.
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Affiliation(s)
- Andrea Messina
- Service d'Endocrinologie, Diabétologie et Métabolisme, Hôpital universitaire de Lausanne, Lausanne, Suisse
| | - Fanny Langlet
- Columbia University Medical Center and Berrie Diabetes Center, New York, États-Unis
| | - Vincent Prevot
- Laboratoire de Développement et de Plasticité du Cerveau Neuroendocrine, FHU 1000 days for health, Inserm U1172, Université de Lille, Lille, France
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Junien C, Panchenko P, Fneich S, Pirola L, Chriett S, Amarger V, Kaeffer B, Parnet P, Torrisani J, Bolaños Jimenez F, Jammes H, Gabory A. [Epigenetics in transgenerational responses to environmental impacts: from facts and gaps]. Med Sci (Paris) 2016; 32:35-44. [PMID: 26850605 DOI: 10.1051/medsci/20163201007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The existence of non-genetic and non-cultural mechanisms that transfer information on the memory of parental exposures to various environments, determining the reactivity of the following generations to their environments during their life, are of growing interest. Yet fundamental questions remain about the nature, the roles and relative importance of epigenetic marks and processes, non-coding RNAs, or other mechanisms, and their persistence over generations. A model incorporating the various transmission systems, their cross-talks and windows of susceptibility to the environment as a function of sex/gender of parent and offspring, has yet to be built.
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Affiliation(s)
- Claudine Junien
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78350 Jouy-en-Josas, France
| | - Polina Panchenko
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78350 Jouy-en-Josas, France
| | - Sara Fneich
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78350 Jouy-en-Josas, France
| | | | | | - Valérie Amarger
- Inra, UMR 1280, université de Nantes, Institut des maladies de l'appareil digestif, F-44000 Nantes, France
| | - Bertrand Kaeffer
- Inra, UMR 1280, université de Nantes, Institut des maladies de l'appareil digestif, F-44000 Nantes, France
| | - Patricia Parnet
- Inra, UMR 1280, université de Nantes, Institut des maladies de l'appareil digestif, F-44000 Nantes, France
| | - Jérome Torrisani
- Inserm UMR1037, Centre de recherches en cancérologie de Toulouse, Université de Toulouse III Paul Sabatier, F-31037 Toulouse, France
| | - Francisco Bolaños Jimenez
- Inra, UMR 1280, université de Nantes, Institut des maladies de l'appareil digestif, F-44000 Nantes, France
| | - Hélène Jammes
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78350 Jouy-en-Josas, France
| | - Anne Gabory
- Inra, UMR1198, biologie du développement et reproduction, Domaine de Vilvert, Bâtiment 230, F-78350 Jouy-en-Josas, France
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