1
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Choi W, Kim J, Ko JW, Choi A, Kwon YH. Effects of maternal branched-chain amino acid and alanine supplementation on growth and biomarkers of protein metabolism in dams fed a low-protein diet and their offspring. Amino Acids 2022; 54:977-988. [PMID: 35353249 DOI: 10.1007/s00726-022-03157-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 03/13/2022] [Indexed: 11/24/2022]
Abstract
A considerable number of studies have reported that maternal protein restriction may disturb fetal growth and organ development due to a lower availability of amino acids. Leucine, one of branched-chain amino acid (BCAA) promotes protein synthesis through mechanistic target of rapamycin signaling. Here, we investigated the effects of BCAA supplementation in the dams fed a low-protein diet on serum and hepatic biochemical parameters of protein metabolism of dams and their offspring. Female ICR mice were fed a control (20% casein), a low-protein (10% casein), a low-protein with 2% BCAAs or a low-protein with 2% alanine diet for 2 weeks before mating and then throughout pregnancy and lactation. Alanine was used as an amino nitrogen control for the BCAA. Dams and their male offspring were sacrificed at postnatal day 21. There were no changes in body weight and fat mass in low-protein fed dams; however, BCAA supplementation significantly increased fat mass and serum leptin levels. Low-protein diet consumption reduced maternal protein synthesis based on biochemical analysis of serum albumin and hepatic protein levels and immunoblotting of S6 protein, which were increased by BCAA and alanine supplementation. Offspring from dams fed a low-protein diet exhibited lower body and organ weights. Body weight and hepatic protein levels of the offspring were increased by alanine supplementation. However, the decreased serum biochemical parameters, including glucose, triglyceride, total protein and albumin levels in the low-protein offspring group were not changed in response to BCAA or alanine supplementation. A reduced density of the hepatic vessel system in the offspring from dams fed a low-protein diet was restored in the offspring from dams fed either BCAA and alanine-supplemented diet. These results suggest that supplementation of amino nitrogen per se may be responsible for inducing hepatic protein synthesis in the dams fed a low-protein diet and alleviating the distorted growth and liver development of their offspring.
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Affiliation(s)
- Wooseon Choi
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.,Department of Pharmacology, The Catholic University of Korea, Seoul, 06591, South Korea
| | - Juhae Kim
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Je Won Ko
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Alee Choi
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Young Hye Kwon
- Department of Food and Nutrition, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea. .,Research Institute of Human Ecology, Seoul National University, Seoul, South Korea.
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2
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Cortes-Araya Y, Stenhouse C, Salavati M, Dan-Jumbo SO, Ho W, Ashworth CJ, Clark E, Esteves CL, Donadeu FX. KLB dysregulation mediates disrupted muscle development in intrauterine growth restriction. J Physiol 2022; 600:1771-1790. [PMID: 35081669 PMCID: PMC9303651 DOI: 10.1113/jp281647] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 01/04/2022] [Indexed: 11/08/2022] Open
Abstract
Abstract Intrauterine growth restriction (IUGR) is a leading cause of neonatal morbidity and mortality in humans and domestic animals. Developmental adaptations of skeletal muscle in IUGR lead to increased risk of premature muscle loss and metabolic disease in later life. Here, we identified β‐Klotho (KLB), a fibroblast growth factor 21 (FGF21) co‐receptor, as a novel regulator of muscle development in IUGR. Using the pig as a naturally‐occurring disease model, we performed transcriptome‐wide profiling of fetal muscle (day 90 of pregnancy) from IUGR and normal‐weight (NW) littermates. We found that, alongside large‐scale transcriptional changes comprising multiple developmental, tissue injury and metabolic gene pathways, KLB was increased in IUGR muscle. Moreover, FGF21 concentrations were increased in plasma in IUGR fetuses. Using cultures of fetal muscle progenitor cells (MPCs), we showed reduced myogenic capacity of IUGR compared to NW muscle in vitro, as evidenced by differences in fusion indices and myogenic transcript levels, as well as mechanistic target of rapamycin (mTOR) activity. Moreover, transfection of MPCs with KLB small interfering RNA promoted myogenesis and mTOR activation, whereas treatment with FGF21 had opposite and dose‐dependent effects in porcine and also in human fetal MPCs. In conclusion, our results identify KLB as a novel and potentially critical mediator of impaired muscle development in IUGR, through conserved mechanisms in pigs and humans. Our data shed new light onto the pathogenesis of IUGR, a significant cause of lifelong ill‐health in humans and animals. Key points Intrauterine growth restriction (IUGR) is associated with large‐scale transcriptional changes in developmental, tissue injury and metabolic gene pathways in fetal skeletal muscle. Levels of the fibroblast growth factor 21 (FGF21) co‐receptor, β‐Klotho (KLB) are increased in IUGR fetal muscle, and FGF21 concentrations are increased in IUGR fetal plasma. KLB mediates a reduction in muscle development through inhibition of mechanistic target of rapamycin signalling. These effects of KLB on muscle cells are conserved in pig and human, suggesting a vital role of this protein in the regulation of muscle development and function in mammals.
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Affiliation(s)
- Yennifer Cortes-Araya
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Claire Stenhouse
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK.,Present address: Physiology of Reproduction, Department of Animal Science, Texas A&M University, 440 Kleberg Center, College Station, Texas, 77843-2471, USA
| | - Mazdak Salavati
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Susan O Dan-Jumbo
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - William Ho
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Cheryl J Ashworth
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Emily Clark
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Cristina L Esteves
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - F Xavier Donadeu
- Division of Functional Genetics and Development, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
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3
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Guillier C, Carrière D, Pansiot J, Maroni A, Billion E, Ringot M, Benoist JF, Jacques S, Matrot B, Jarreau PH, Vaiman D, Baud O, Zana-Taïeb E. Nebulized curcumin protects neonatal lungs from antenatal insult in rats. Am J Physiol Lung Cell Mol Physiol 2021; 321:L545-L552. [PMID: 34159801 DOI: 10.1152/ajplung.00195.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Intrauterine growth restriction (IUGR) increases the risk of bronchopulmonary dysplasia (BPD), one of the major complications of prematurity. Antenatal low-protein diet (LPD) exposure in rats induces IUGR and mimics BPD-related alveolarization disorders. Peroxisome proliferator-activated receptor-γ (PPARγ) plays a key role in normal lung development and was found deregulated following LPD exposure. The objective of this article was to investigate the effects of nebulized curcumin, a natural PPARγ agonist, to prevent IUGR-related abnormal lung development. We studied rat pups antenatally exposed to an LPD or control diet (CTL) and treated with nebulized curcumin (50 mg/kg) or vehicle from postnatal (P) days 1 to 5. The primary readouts were lung morphometric analyses at P21. Immunohistochemistry (P21) and microarrays (P6 and P11) were compared within animals exposed to LPD versus controls, with and without curcumin treatment. Quantitative morphometric analyses revealed that LPD induced abnormal alveolarization as evidenced by a significant increase in mean linear intercept (MLI) observed in P21 LPD-exposed animals. Early curcumin treatment prevented this effect, and two-way ANOVA analysis demonstrated significant interaction between diet and curcumin both for MLI [F(1,39) = 12.67, P = 0.001] and radial alveolar count at P21 [F(1,40) = 6.065, P = 0.0182]. Immunohistochemistry for fatty acid binding protein 4 (FABP4), a major regulator of PPARγ pathway, showed a decreased FABP4+ alveolar cell density in LPD-exposed animals treated by curcumin. Transcriptomic analysis showed that early curcumin significantly prevented the activation of profibrotic pathways observed at P11 in LPD-exposed animals. Nebulized curcumin appears to be a promising strategy to prevent alveolarization disorders in IUGR rat pups, targeting pathways involved in lung development.
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Affiliation(s)
- Cyril Guillier
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Assistance Publique-Hôpitaux de Paris, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France.,Université Paris Descartes, Paris, France
| | - Diane Carrière
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Assistance Publique-Hôpitaux de Paris, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France.,Université Paris Descartes, Paris, France
| | - Julien Pansiot
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Université Paris Diderot, Paris, France
| | - Arielle Maroni
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Université Paris Descartes, Paris, France
| | - Elodie Billion
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Assistance Publique-Hôpitaux de Paris, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France.,Université Paris Descartes, Paris, France
| | - Maud Ringot
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Université Paris Diderot, Paris, France
| | - Jean-François Benoist
- Assistance Publique-Hôpitaux de Paris, Service de Biochimie-Hormonologie, Hôpital Robert Debré, Paris, France
| | - Sébastien Jacques
- Genom'ic. INSERM U1016, Centre National de la Recherche Scientifique (CNRS) Unite Mixte de Recherche (UMR) 8104, Paris, France
| | - Boris Matrot
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Université Paris Diderot, Paris, France
| | - Pierre-Henri Jarreau
- Assistance Publique-Hôpitaux de Paris, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France.,Université Paris Descartes, Paris, France.,Fondation PremUp, Paris, France.,Université de Paris, Epidemiology and Statistics Research Center (CRESS), INSERM, Institut national de la recherche agronomique (INRA), Paris, France
| | - Daniel Vaiman
- Institut Cochin, Inserm U1016-CNRS UMRS 104, Paris, France
| | - Olivier Baud
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Université Paris Diderot, Paris, France.,Assistance Publique-Hôpitaux de Paris, Service de Réanimation et Pédiatrie néonatales, Hôpital Robert Debré, Paris, France.,Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva and University of Geneva, Geneva, Switzerland
| | - Elodie Zana-Taïeb
- Institut National de la Santé Et de la Recherche Médicale (INSERM) U1141, Paris, France.,Assistance Publique-Hôpitaux de Paris, Service de Médecine et Réanimation néonatales de Port-Royal, Paris, France.,Fondation PremUp, Paris, France
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4
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Deodati A, Inzaghi E, Cianfarani S. Epigenetics and In Utero Acquired Predisposition to Metabolic Disease. Front Genet 2020; 10:1270. [PMID: 32082357 PMCID: PMC7000755 DOI: 10.3389/fgene.2019.01270] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 11/18/2019] [Indexed: 01/21/2023] Open
Abstract
Epidemiological evidence has shown an association between prenatal malnutrition and a higher risk of developing metabolic disease in adult life. An inadequate intrauterine milieu affects both growth and development, leading to a permanent programming of endocrine and metabolic functions. Programming may be due to the epigenetic modification of genes implicated in the regulation of key metabolic mechanisms, including DNA methylation, histone modifications, and microRNAs (miRNAs). The expression of miRNAs in organs that play a key role in metabolism is influenced by in utero programming, as demonstrated by both experimental and human studies. miRNAs modulate multiple pathways such as insulin signaling, immune responses, adipokine function, lipid metabolism, and food intake. Liver is one of the main target organs of programming, undergoing structural, functional, and epigenetic changes following the exposure to a suboptimal intrauterine environment. The focus of this review is to provide an overview of the effects of exposure to an adverse in utero milieu on epigenome with a focus on the molecular mechanisms involved in liver programming.
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Affiliation(s)
- Annalisa Deodati
- Dipartimento Pediatrico Universitario Ospedaliero "Bambino Gesù" Children's Hospital, Tor Vergata University, Rome, Italy
| | - Elena Inzaghi
- Dipartimento Pediatrico Universitario Ospedaliero "Bambino Gesù" Children's Hospital, Tor Vergata University, Rome, Italy
| | - Stefano Cianfarani
- Dipartimento Pediatrico Universitario Ospedaliero "Bambino Gesù" Children's Hospital, Tor Vergata University, Rome, Italy.,Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
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5
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Chabrun F, Huetz N, Dieu X, Rousseau G, Bouzillé G, Chao de la Barca JM, Procaccio V, Lenaers G, Blanchet O, Legendre G, Mirebeau-Prunier D, Cuggia M, Guardiola P, Reynier P, Gascoin G. Data-Mining Approach on Transcriptomics and Methylomics Placental Analysis Highlights Genes in Fetal Growth Restriction. Front Genet 2020; 10:1292. [PMID: 31998361 PMCID: PMC6962302 DOI: 10.3389/fgene.2019.01292] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 11/25/2019] [Indexed: 11/13/2022] Open
Abstract
Intrauterine Growth Restriction (IUGR) affects 8% of newborns and increases morbidity and mortality for the offspring even during later stages of life. Single omics studies have evidenced epigenetic, genetic, and metabolic alterations in IUGR, but pathogenic mechanisms as a whole are not being fully understood. An in-depth strategy combining methylomics and transcriptomics analyses was performed on 36 placenta samples in a case-control study. Data-mining algorithms were used to combine the analysis of more than 1,200 genes found to be significantly expressed and/or methylated. We used an automated text-mining approach, using the bulk textual gene annotations of the discriminant genes. Machine learning models were then used to explore the phenotypic subgroups (premature birth, birth weight, and head circumference) associated with IUGR. Gene annotation clustering highlighted the alteration of cell signaling and proliferation, cytoskeleton and cellular structures, oxidative stress, protein turnover, muscle development, energy, and lipid metabolism with insulin resistance. Machine learning models showed a high capacity for predicting the sub-phenotypes associated with IUGR, allowing a better description of the IUGR pathophysiology as well as key genes involved.
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Affiliation(s)
- Floris Chabrun
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Noémie Huetz
- Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France.,Réanimation et Médecine Néonatales, Centre Hospitalier Universitaire, Angers, France
| | - Xavier Dieu
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Guillaume Rousseau
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Guillaume Bouzillé
- Laboratoire du Traitement de l'Image et du Signal, INSERM, UMR 1099, Université Rennes 1, Rennes, France.,Département d'Information médicale et dossiers médicaux, Centre Hospitalier Universitaire, Rennes, France
| | - Juan Manuel Chao de la Barca
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Vincent Procaccio
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Guy Lenaers
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Odile Blanchet
- Centre de Ressources Biologiques, Centre Hospitalier Universitaire, Angers, France
| | - Guillaume Legendre
- Département de Gynécologie Obstétrique, Centre Hospitalier Universitaire, Angers, France
| | - Delphine Mirebeau-Prunier
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Marc Cuggia
- Laboratoire du Traitement de l'Image et du Signal, INSERM, UMR 1099, Université Rennes 1, Rennes, France.,Département d'Information médicale et dossiers médicaux, Centre Hospitalier Universitaire, Rennes, France
| | - Philippe Guardiola
- Service de Génomique Onco-Hématologique, Centre Hospitalier Universitaire, Angers, France
| | - Pascal Reynier
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France.,Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Geraldine Gascoin
- Unité Mixte de Recherche (UMR) MITOVASC, Équipe Mitolab, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France.,Réanimation et Médecine Néonatales, Centre Hospitalier Universitaire, Angers, France
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6
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Tain YL, Hsu CN. Developmental Origins of Chronic Kidney Disease: Should We Focus on Early Life? Int J Mol Sci 2017; 18:ijms18020381. [PMID: 28208659 PMCID: PMC5343916 DOI: 10.3390/ijms18020381] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/24/2017] [Accepted: 02/03/2017] [Indexed: 12/20/2022] Open
Abstract
Chronic kidney disease (CKD) is becoming a global burden, despite recent advances in management. CKD can begin in early life by so-called "developmental programming" or "developmental origins of health and disease" (DOHaD). Early-life insults cause structural and functional changes in the developing kidney, which is called renal programming. Epidemiological and experimental evidence supports the proposition that early-life adverse events lead to renal programming and make subjects vulnerable to developing CKD and its comorbidities in later life. In addition to low nephron endowment, several mechanisms have been proposed for renal programming. The DOHaD concept opens a new window to offset the programming process in early life to prevent the development of adult kidney disease, namely reprogramming. Here, we review the key themes on the developmental origins of CKD. We have particularly focused on the following areas: evidence from human studies support fetal programming of kidney disease; insight from animal models of renal programming; hypothetical mechanisms of renal programming; alterations of renal transcriptome in response to early-life insults; and the application of reprogramming interventions to prevent the programming of kidney disease.
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Affiliation(s)
- You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan.
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan.
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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7
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Tain YL, Hsu CN. Targeting on Asymmetric Dimethylarginine-Related Nitric Oxide-Reactive Oxygen Species Imbalance to Reprogram the Development of Hypertension. Int J Mol Sci 2016; 17:ijms17122020. [PMID: 27918455 PMCID: PMC5187820 DOI: 10.3390/ijms17122020] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 11/22/2016] [Accepted: 11/29/2016] [Indexed: 02/07/2023] Open
Abstract
Adult-onset diseases, including hypertension, can originate from early life, known as the developmental origins of health and disease (DOHaD). Because the developing kidney is vulnerable to early-life insults, renal programming is considered key in the developmental programming of hypertension. Asymmetric dimethylarginine (ADMA), an endogenous nitric oxide (NO) synthase inhibitor, can regulate the NO–reactive oxygen species (ROS) balance, and is involved in the development of hypertension. Reprogramming interventions aimed at NO-ROS balance can be protective in both genetic and developmentally programmed hypertension. Here we review several emergent themes of the DOHaD approach regarding the impact of ADMA-related NO-ROS imbalance on programmed hypertension. We focus on the kidney in the following areas: mechanistic insights to interpret programmed hypertension; the impact of ADMA-related NO-ROS imbalance in both genetic and acquired animal models of hypertension; alterations of the renal transcriptome in response to ADMA in the developing kidney; and reprogramming strategies targeting ADMA-related NO-ROS balance to prevent programmed hypertension.
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Affiliation(s)
- You-Lin Tain
- Departments of Pediatrics, College of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, Kaohsiung 833, Taiwan.
- Institute for Translational Research in Biomedicine, College of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, Kaohsiung 833, Taiwan.
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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8
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Freije WA, Thamotharan S, Lee R, Shin BC, Devaskar SU. The hepatic transcriptome of young suckling and aging intrauterine growth restricted male rats. J Cell Biochem 2016; 116:566-79. [PMID: 25371150 DOI: 10.1002/jcb.25008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 10/30/2014] [Indexed: 01/20/2023]
Abstract
Intrauterine growth restriction leads to the development of adult onset obesity/metabolic syndrome, diabetes mellitus, cardiovascular disease, hypertension, stroke, dyslipidemia, and non-alcoholic fatty liver disease/steatohepatitis. Continued postnatal growth restriction has been shown to ameliorate many of these sequelae. To further our understanding of the mechanism of how intrauterine and early postnatal growth affects adult health we have employed Affymetrix microarray-based expression profiling to characterize hepatic gene expression of male offspring in a rat model of maternal nutrient restriction in early and late life. At day 21 of life (p21) combined intrauterine and postnatal calorie restriction treatment led to expression changes in circadian, metabolic, and insulin-like growth factor genes as part of a larger transcriptional response that encompasses 144 genes. Independent and controlled experiments at p21 confirm the early life circadian, metabolic, and growth factor perturbations. In contrast to the p21 transcriptional response, at day 450 of life (d450) only seven genes, largely uncharacterized, were differentially expressed. This lack of a transcriptional response identifies non-transcriptional mechanisms mediating the adult sequelae of intrauterine growth restriction. Independent experiments at d450 identify a circadian defect as well as validate expression changes to four of the genes identified by the microarray screen which have a novel association with growth restriction. Emerging from this rich dataset is a portrait of how the liver responds to growth restriction through circadian dysregulation, energy/substrate management, and growth factor modulation.
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Affiliation(s)
- William A Freije
- Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California, Los Angeles, California
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9
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Extrauterine growth restriction on pulmonary vascular endothelial dysfunction in adult male rats: the role of epigenetic mechanisms. J Hypertens 2016; 32:2188-98; discussion 2198. [PMID: 25105456 PMCID: PMC4222616 DOI: 10.1097/hjh.0000000000000309] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Objective: Early postnatal life is considered as a critical time window for the determination of long-term metabolic states and organ functions. Extrauterine growth restriction (EUGR) causes the development of adult-onset chronic diseases, including pulmonary hypertension. However, the effects of nutritional disadvantages during the early postnatal period on pulmonary vascular consequences in later life are not fully understood. Our study was designed to test whether epigenetics dysregulation mediates the cellular memory of this early postnatal event. Methods and results: To test this hypothesis, we isolated pulmonary vascular endothelial cells by magnetic-activated cell sorting from EUGR and control rats. A postnatal insult, nutritional restriction-induced EUGR caused development of an increased pulmonary artery pressure at 9 weeks of age in male Sprague–Dawley rats. Methyl-DNA immune precipitation chip, genome-scale mapping studies to search for differentially methylated loci between control and EUGR rats, revealed significant difference in cytosine methylation between EUGR and control rats. EUGR changes the cytosine methylation at approximately 500 loci in male rats at 9 weeks of age, preceding the development of pulmonary hypertension and these represent the candidate loci for mediating the pathogenesis of pulmonary vascular disease that occurs later in life. Gene ontology analysis on differentially methylated genes showed that hypermethylated genes in EUGR are vascular development-associated genes and hypomethylated genes in EUGR are late-differentiation-associated and signal transduction genes. We validated candidate dysregulated loci with the quantitative assays of cytosine methylation and gene expressions. Conclusion: These results demonstrate that epigenetics dysregulation is a strong mechanism for propagating the cellular memory of early postnatal events, causing changes in the expression of genes and long-term susceptibility to pulmonary hypertension, and further providing a new insight into the prevention and treatment of EUGR-related pulmonary hypertension.
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Expression of epigenetic machinery genes is sensitive to maternal obesity and weight loss in relation to fetal growth in mice. Clin Epigenetics 2016; 8:22. [PMID: 26925174 PMCID: PMC4769534 DOI: 10.1186/s13148-016-0188-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 02/12/2016] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Maternal obesity impacts fetal growth and pregnancy outcomes. To counteract the deleterious effects of obesity on fertility and pregnancy issue, preconceptional weight loss is recommended to obese women. Whether this weight loss is beneficial/detrimental for offspring remains poorly explored. Epigenetic mechanisms could be affected by maternal weight changes, perturbing expression of key developmental genes in the placenta or fetus. Our aim was to investigate the effects of chronic maternal obesity on feto-placental growth along with the underlying epigenetic mechanisms. We also tested whether preconceptional weight loss could alleviate these effects. RESULTS Female mice were fed either a control diet (CTRL group), a high-fat diet (obese (OB) group), or a high-fat diet switched to a control diet 2 months before conception (weight loss (WL) group). At mating, OB females presented an obese phenotype while WL females normalized metabolic parameters. At embryonic day 18.5 (E18.5), fetuses from OB females presented fetal growth restriction (FGR; -13 %) and 28 % of the fetuses were small for gestational age (SGA). Fetuses from WL females normalized this phenotype. The expression of 60 epigenetic machinery genes and 32 metabolic genes was measured in the fetal liver, placental labyrinth, and junctional zone. We revealed 23 genes altered by maternal weight trajectories in at least one of three tissues. The fetal liver and placental labyrinth were more responsive to maternal obesity than junctional zone. One third (18/60) of the epigenetic machinery genes were differentially expressed between at least two maternal groups. Interestingly, genes involved in the histone acetylation pathway were particularly altered (13/18). In OB group, lysine acetyltransferases and Bromodomain-containing protein 2 were upregulated, while most histone deacetylases were downregulated. In WL group, the expression of only a subset of these genes was normalized. CONCLUSIONS This study highlights the high sensitivity of the epigenetic machinery gene expression, and particularly the histone acetylation pathway, to maternal obesity. These obesity-induced transcriptional changes could alter the placental and the hepatic epigenome, leading to FGR. Preconceptional weight loss appears beneficial to fetal growth, but some effects of previous obesity were retained in offspring phenotype.
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Renal Transcriptome Analysis of Programmed Hypertension Induced by Maternal Nutritional Insults. Int J Mol Sci 2015; 16:17826-37. [PMID: 26247937 PMCID: PMC4581224 DOI: 10.3390/ijms160817826] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 06/12/2015] [Accepted: 07/30/2015] [Indexed: 12/25/2022] Open
Abstract
Maternal nutrition can affect development, leading to long-term effects on the health of offspring. The most common outcome is programmed hypertension. We examined whether alterations in renal transcriptome are responsible for generating programmed hypertension among four different models using next-generation RNA sequencing (NGS) technology. Pregnant Sprague-Dawley rats received 50% caloric restriction (CR), intraperitoneal injection of 45 mg/kg streptozotocin, 60% high-fructose (HF) diet, or 1% NaCl in drinking water to conduct CR, diabetes, HF, or high-salt models, respectively. All four models induced programmed hypertension in adult male offspring. We observed 16 shared genes in a two-week-old kidney among four different models. The identified differential expressed genes (DEGs) that are related to the regulation of blood pressure included Adrb3, Alb, Apoe, Calca, Kng1, Adm2, Guca2b, Hba2, Hba-a2, and Ppara. The peroxisome proliferator-activated receptor (PPAR) signaling pathway and glutathione metabolism pathway were shared by the CR, diabetes, and HF models. Conclusively, a variety of maternal nutritional insults induced the same phenotype-programmed hypertension with differential alterations of renal transcriptome in adult male offspring. The roles of DEGs identified by the NGS in this study deserve further clarification to develop ideal maternal dietary interventions and thus spare the next generations from the burden of hypertension.
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Transcriptomic analysis of human placenta in intrauterine growth restriction. Pediatr Res 2015; 77:799-807. [PMID: 25734244 DOI: 10.1038/pr.2015.40] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Accepted: 11/13/2014] [Indexed: 01/01/2023]
Abstract
BACKGROUND Intrauterine growth restriction (IUGR) is a frequent complication of pregnancy defined as a restriction of fetal growth. The objective of this work was to improve the knowledge on the pathophysiology of IUGR using a genome-wide method of expression analysis. METHODS We analyzed differentially expressed genes in pooled placental tissues from vascular IUGR (four pools of three placentas) and normal pregnancies (four pools of three placentas) using a long nucleotide microarray platform (Nimblegen). We first did a global bioinformatics analysis based only on P value without any a priori. We secondly focused on "target" genes among the most modified ones. Finally, reverse transcription quantitative polymerase chain reaction (RT-qPCR) was performed on an extended panel of tissue samples (n = 62) on selected "target". RESULTS We identified 636 modified genes among which 206 were upregulated (1.5 and higher; P < 0.05). Groups of patients were classified unambiguously. Genes involved in mitochondrial function and oxidative phosphorylation were decreased affecting three out of five complexes of the respiratory chain of the mitochondria, and thus energy production and metabolism. Among the most induced genes, we identified LEP, IGFBP1, and RBP4. CONCLUSION Complementary studies on the role and function of LEP, IGFBP1, and RBP4 in IUGR pathophysiology and also in fetal programming remain necessary.
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Maternal fructose-intake-induced renal programming in adult male offspring. J Nutr Biochem 2015; 26:642-50. [DOI: 10.1016/j.jnutbio.2014.12.017] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 12/05/2014] [Accepted: 12/22/2014] [Indexed: 12/17/2022]
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Sheen JM, Yu HR, Tiao MM, Chen CC, Huang LT, Chang HY, Tain YL. Prenatal dexamethasone-induced programmed hypertension and renal programming. Life Sci 2015; 132:41-8. [PMID: 25921765 DOI: 10.1016/j.lfs.2015.04.005] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 04/08/2015] [Accepted: 04/11/2015] [Indexed: 01/19/2023]
Abstract
AIMS Antenatal glucocorticoids can induce long-term effects on offspring health, including hypertension. Programmed hypertension has been observed in a prenatal dexamethasone (DEX) exposure model. However, how renal programming responds to prenatal DEX at different stages of development and the impact of DEX on programmed hypertension remain unclear. Therefore, we utilized RNA next-generation sequencing (NGS) to analyze the renal transcriptome in the offspring to examine whether key genes and pathways are responsible for DEX-induced renal programming and hypertension. MAIN METHODS Pregnant rats received intraperitoneal dexamethasone from gestational day 16 to 22. Prenatal DEX-induced programmed hypertension was examined in male offspring at 16 weeks of age. KEY FINDINGS Prenatal DEX modified 431 renal transcripts from the nephrogenesis stage to adulthood in a constant manner. At the pre-hypertensive and established hypertension stages, we identified 11 and 13 differentially expressed genes related to blood pressure regulation, respectively. Among these genes, Npr3, Ptgs2, Agt, Edn3, Ephx2, Agtr1b, and Gucy1a3 are associated with endothelium-derived hyperpolarizing and contractile factors (EDHF and EDCF). Genes in the arachidonic acid metabolism pathway may potentially be key genes contributing to programmed hypertension. In addition, DEX induced soluble epoxide hydrolase expression (Ephx2 gene encoding protein). SIGNIFICANCE Prenatal DEX elicits an imbalance between EDHFs and EDCFs that might lead to renal programming and hypertension. The arachidonic acid metabolism pathway is a common pathway contributing to programmed hypertension. Our results highlight candidate genes and pathways involved in renal programming as targets for therapeutic approaches to prevent programmed hypertension in children exposed to antenatal corticosteroids.
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Affiliation(s)
- Jiunn-Ming Sheen
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Hong-Ren Yu
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Mao-Meng Tiao
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Chih-Cheng Chen
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - Li-Tung Huang
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan; Department of Traditional Chinese Medicine, Chang Gung University, Linkow, Taiwan
| | - Hsin-Yu Chang
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan; Center for Translational Research in Biomedical Sciences, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine, Kaohsiung, Taiwan.
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Mannhalter C. Biomarkers for arterial and venous thrombotic disorders. Hamostaseologie 2015; 34:115-20, 122-6, 128-30, passim. [PMID: 24819458 DOI: 10.5482/hamo-13-08-0041] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 03/21/2014] [Indexed: 02/06/2023] Open
Abstract
The haemostatic system maintains the blood in a fluid state, but allows rapid clot formation at sites of vascular injury to prevent excessive bleeding. Unbalances within the haemostatic system can lead to thrombosis. Inspite of successful research our understanding of the disease pathogenesis is still incomplete. There is great hope that genetic, genomic, and epigenetic discoveries will enhance the diagnostic capability, and improve the treatment options. During the preceding 20 years, the identification of polymorphisms and the elucidation of their role in arterial and venous thromboses became an important area of research. Today, a large body of data is available regarding associations of single nucleotide polymorphisms (SNPs) in candidate genes with plasma concentrations and e. g. the risk of ischaemic stroke or myocardial infarction. However, the results for individual polymorphisms and genes are often controversial. It is now well established that besides acquired also hereditary risk factors influence the occurrence of thrombotic events, and environmental factors may add to this risk. Currently available statistical methods are only able to identify combined risk genotypes if very large patient collectives (>10,000 cases) are tested, and appropriate algorithms to evaluate the data have yet to be developed. Further research is needed to understand the functional effects of genetic variants in genes of blood coagulation proteins that are critical to the pathogenesis of arterial and venous thrombotic disorders. In this review genetic variants in selected genes of the haemostatic system and their relevance for arterial and venous thrombosis will be discussed.
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Affiliation(s)
- C Mannhalter
- Univ.-Prof. Dr. Christine Mannhalter Dept. Laboratory Medicine, Medical University Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria, Tel. +43/1/404 00 20 85, Fax +43/1/404 00 20 97, E-mail:
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Transcriptome analysis in rat kidneys: importance of genes involved in programmed hypertension. Int J Mol Sci 2015; 16:4744-58. [PMID: 25739086 PMCID: PMC4394446 DOI: 10.3390/ijms16034744] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 02/09/2015] [Accepted: 02/17/2015] [Indexed: 12/30/2022] Open
Abstract
Suboptimal conditions in pregnancy can elicit long-term effects on the health of offspring. The most common outcome is programmed hypertension. We examined whether there are common genes and pathways in the kidney are responsible for generating programmed hypertension among three different models using next generation RNA sequencing (RNA-Seq) technology. Pregnant Sprague-Dawley rats received dexamethasone (DEX, 0.1 mg/kg) from gestational day 16 to 22, 60% high-fructose (HF) diet, or NG-nitro-l-arginine-methyester (l-NAME, 60 mg/kg/day) to conduct DEX, HF, or l-NAME model respectively. All three models elicited programmed hypertension in adult male offspring. We observed five shared genes (Bcl6, Dmrtc1c, Egr1, Inmt, and Olr1668) among three different models. The identified differential genes (DEGs) that are related to regulation of blood pressure included Aqp2, Ptgs1, Eph2x, Hba-a2, Apln, Guca2b, Hmox1, and Npy. RNA-Seq identified genes in arachidonic acid metabolism are potentially gatekeeper genes contributing to programmed hypertension. In addition, HF and DEX increased expression and activity of soluble epoxide hydrolase (Ephx2 gene encoding protein). Conclusively, the DEGs in arachidonic acid metabolism are potentially gatekeeper genes in programmed hypertension. The roles of DEGs identified by the RNA-Seq in this study deserve further clarification, to develop the potential interventions in the prevention of programmed hypertension.
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Zana-Taieb E, Pham H, Franco-Montoya ML, Jacques S, Letourneur F, Baud O, Jarreau PH, Vaiman D. Impaired alveolarization and intra-uterine growth restriction in rats: a postnatal genome-wide analysis. J Pathol 2015; 235:420-30. [DOI: 10.1002/path.4470] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 09/17/2014] [Accepted: 10/13/2014] [Indexed: 02/06/2023]
Affiliation(s)
- E Zana-Taieb
- Université Paris Descartes; Paris France
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
- Assistance Publique - Hôpitaux de Paris, Service de Médecine et Réanimation Néonatales de Port-Royal, Groupe Hospitalier Cochin, Broca, Hôtel-Dieu, 53 Avenue de l'Observatoire, 75014 Paris; France
| | - H Pham
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
| | - ML Franco-Montoya
- Institut National de la Santé et de la Recherche Médicale (INSERM) U955 IMRB Equipe 04, Faculté de Médecine de Créteil, 94010 Créteil; France
| | - S Jacques
- Genom'ic, INSERM U1016, CNRS UMR8104, Paris; France
| | - F Letourneur
- Genom'ic, INSERM U1016, CNRS UMR8104, Paris; France
| | - O Baud
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
- Assistance Publique - Hôpitaux de Paris, Service de Réanimation et Pédiatrie Néonatales, Hôpital Robert Debré, Paris; France
- Université Paris Diderot; Paris France
| | - PH Jarreau
- Université Paris Descartes; Paris France
- Fondation PremUp, 53 avenue de l'Observatoire, 75014 Paris; France
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1141; Paris France
- Assistance Publique - Hôpitaux de Paris, Service de Médecine et Réanimation Néonatales de Port-Royal, Groupe Hospitalier Cochin, Broca, Hôtel-Dieu, 53 Avenue de l'Observatoire, 75014 Paris; France
| | - D Vaiman
- Institut Cochin, INSERM U1016-CNRS, UMRS 104; Paris France
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Vaiman D. Reproductive performance: at the cross-road of genetics, technologies and environment. Reprod Fertil Dev 2015; 27:1-13. [DOI: 10.1071/rd14316] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Sexual reproduction depends on a negotiation between the sexes at the level of the cells (gametes), tissue (trophectoderm of the blastocyst and endometrium in the uterus) and organisms (to allow sexual intercourse). This review evaluates new questions linked to sexual reproduction in the biosphere in the context of the 21st century, in light of current knowledge in genetics and epigenetics. It presents the challenge of ‘forcing reproductive efficiency’ using ineffective gametes, or despite other fertility problems, through medically assisted reproduction and presents the reproductive challenge of high production farm animals, which are in a situation of chronically negative energy balance. It also analyses the situation created by the release of endocrine disruptors into the environment and discusses the possible transgenerational consequences of environmental modifications linked to these compounds.
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Long-term effects of maternal citrulline supplementation on renal transcriptome prevention of nitric oxide depletion-related programmed hypertension: the impact of gene-nutrient interactions. Int J Mol Sci 2014; 15:23255-68. [PMID: 25517031 PMCID: PMC4284764 DOI: 10.3390/ijms151223255] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 12/05/2014] [Accepted: 12/08/2014] [Indexed: 02/02/2023] Open
Abstract
Maternal malnutrition can elicit gene expression leading to fetal programming. l-citrulline (CIT) can be converted to l-arginine to generate nitric oxide (NO). We examined whether maternal CIT supplementation can prevent NG-nitro-l-arginine-methyl ester (l-NAME, NO synthase inhibitor)-induced programmed hypertension and examined their effects on the renal transcriptome in male offspring using next generation RNA sequencing (RNA-Seq) technology. Pregnant Sprague-Dawley rats received l-NAME administration at 60mg/kg/day subcutaneously via osmotic minipump during pregnancy alone or with additional 0.25% l-citrulline solution in drinking water during the whole period of pregnancy and lactation. Male offspring were assigned to three groups: control, l-NAME, and l-NAME + CIT. l-NAME exposure induced hypertension in the 12-week-old offspring, which CIT therapy prevented. Identified differentially expressed genes in l-NAME and CIT-treated offspring kidneys, including Guca2b, Hmox1, Hba2, Hba-a2, Dusp1, and Serpine1 are related to regulation of blood pressure (BP) and oxidative stress. In conclusion, our data suggests that the beneficial effects of CIT supplementation are attributed to alterations in expression levels of genes related to BP control and oxidative stress. Our results suggest that early nutritional intervention by CIT has long-term impact on the renal transcriptome to prevent NO depletion-related programmed hypertension. However, our RNA-Seq results might be a secondary phenomenon. The implications of epigenetic regulation at an early stage of programming deserve further clarification.
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Transcriptional regulation of programmed hypertension by melatonin: an epigenetic perspective. Int J Mol Sci 2014; 15:18484-95. [PMID: 25318052 PMCID: PMC4227227 DOI: 10.3390/ijms151018484] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Revised: 09/04/2014] [Accepted: 09/25/2014] [Indexed: 01/02/2023] Open
Abstract
Melatonin is an endogenously produced indoleamine and secreted by the pineal gland. Melatonin has pleiotropic bioactivities and is involved in epigenetic regulation. Suboptimal conditions during maternal and perinatal phases can elicit epigenetic regulation of genes for nephrogenesis and reset physiological responses to develop programmed hypertension. This review discusses the early utility of melatonin to prevent programmed hypertension in later life by epigenetic regulation in the kidney, with an emphasis on: (1) the role of melatonin in epigenetic regulation; (2) the beneficial effects of melatonin on programmed hypertension; (3) epigenetic regulation of maternal melatonin therapy in different developmental windows of offspring kidneys analyzed by whole-genome RNA next-generation sequencing; and (4) current blocks in the application of melatonin in preventing programmed hypertension.
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Abstract
Epigenetic changes have long-lasting effects on gene expression and are related to, and often induced by, the environment in which early development takes place. In particular, the period of development that extends from pre-conception to early infancy is the period of life during which epigenetic DNA imprinting activity is the most active. Epigenetic changes have been associated with modification of the risk for developing a wide range of adulthood, non-communicable diseases (including cardiovascular diseases, metabolic diseases, diseases of the reproductive system, etc.). This paper reviews the molecular basis of epigenetics, and addresses the issues related to the process of developmental programming of the various areas of human health.
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Affiliation(s)
- Umberto Simeoni
- Division of Pediatrics & DOHaD Laboratory, CHUV & University of Lausanne Switzerland.
| | - Catherine Yzydorczyk
- Division of Pediatrics & DOHaD Laboratory, CHUV & University of Lausanne Switzerland
| | - Benazir Siddeek
- Division of Pediatrics & DOHaD Laboratory, CHUV & University of Lausanne Switzerland
| | - Mohamed Benahmed
- Division of Pediatrics & DOHaD Laboratory, CHUV & University of Lausanne Switzerland; INSERM U1065 Nice France
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Pruis MGM, van Ewijk PA, Schrauwen-Hinderling VB, Plösch T. Lipotoxicity and the role of maternal nutrition. Acta Physiol (Oxf) 2014; 210:296-306. [PMID: 24119080 DOI: 10.1111/apha.12171] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Revised: 08/12/2013] [Accepted: 09/20/2013] [Indexed: 01/21/2023]
Abstract
Intrauterine malnutrition predisposes the offspring towards the development of type 2 diabetes and cardiovascular disease. To explain this association, the Developmental Origins of Health and Disease hypothesis was introduced, meaning that subtle environmental changes during embryonic and foetal development can influence post-natal physiological functions. Different mechanisms, including epigenetics, are thought to be involved in this foetal programming, but the link between epigenetics and disease is missing. There is increasing evidence that ectopic lipid accumulation and/or lipotoxicity is induced by foetal programming. The aim of this review is to provide insights into the mechanisms underlying lipotoxicity through programming, which contributes to the increase in hepatic and cardiac metabolic risk.
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Affiliation(s)
- M. G. M. Pruis
- Department of Pediatrics; Laboratory Medicine; Center for Liver, Digestive and Metabolic Diseases; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
| | - P. A. van Ewijk
- Department of Radiology; Maastricht University Medical Center; Maastricht the Netherlands
- Department of Human Biology; Maastricht University Medical Center; Maastricht the Netherlands
| | | | - T. Plösch
- Department of Pediatrics; Laboratory Medicine; Center for Liver, Digestive and Metabolic Diseases; University Medical Center Groningen; University of Groningen; Groningen the Netherlands
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Guéant JL, Elakoum R, Ziegler O, Coelho D, Feigerlova E, Daval JL, Guéant-Rodriguez RM. Nutritional models of foetal programming and nutrigenomic and epigenomic dysregulations of fatty acid metabolism in the liver and heart. Pflugers Arch 2013; 466:833-50. [PMID: 23999818 DOI: 10.1007/s00424-013-1339-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 08/16/2013] [Accepted: 08/17/2013] [Indexed: 12/23/2022]
Abstract
Barker's concept of 'foetal programming' proposes that intrauterine growth restriction (IUGR) predicts complex metabolic diseases through relationships that may be further modified by the postnatal environment. Dietary restriction and deficit in methyl donors, folate, vitamin B12, and choline are used as experimental conditions of foetal programming as they lead to IUGR and decreased birth weight. Overfeeding and deficit in methyl donors increase central fat mass and lead to a dramatic increase of plasma free fatty acids (FFA) in offspring. Conversely, supplementing the mothers under protein restriction with folic acid reverses metabolic and epigenomic phenotypes of offspring. High-fat diet or methyl donor deficiency (MDD) during pregnancy and lactation produce liver steatosis and myocardium hypertrophy that result from increased import of FFA and impaired fatty acid β-oxidation, respectively. The underlying molecular mechanisms show dysregulations related with similar decreased expression and activity of sirtuin 1 (SIRT1) and hyperacetylation of peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α). High-fat diet and overfeeding impair AMPK-dependent phosphorylation of PGC-1α, while MDD decreases PGC-1α methylation through decreased expression of PRMT1 and cellular level of S-adenosyl methionine. The visceral manifestations of metabolic syndrome are under the influence of endoplasmic reticulum (ER) stress in overnourished animal models. These mechanisms should also deserve attention in the foetal programming effects of MDD since vitamin B12 influences ER stress through impaired SIRT1 deacetylation of HSF1. Taken together, similarities and synergies of high-fat diet and MDD suggest, therefore, considering their consecutive or contemporary influence in the mechanisms of complex metabolic diseases.
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Affiliation(s)
- Jean-Louis Guéant
- Inserm U954, Nutrition-Genetics-Environmental Risk Exposure (N-GERE), University of Lorraine and University Hospital Center of Nancy, BP 184, 54511, Vandœuvre-lès-Nancy, France,
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Developmental origins of chronic renal disease: an integrative hypothesis. Int J Nephrol 2013; 2013:346067. [PMID: 24073334 PMCID: PMC3773449 DOI: 10.1155/2013/346067] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 06/17/2013] [Accepted: 07/03/2013] [Indexed: 01/06/2023] Open
Abstract
Cardiovascular diseases are one of the leading causes of mortality. Hypertension (HT) is one of the principal risk factors associated with death. Chronic kidney disease (CKD), which is probably underestimated, increases the risk and the severity of adverse cardiovascular events. It is now recognized that low birth weight is a risk factor for these diseases, and this relationship is amplified by a rapid catch-up growth or overfeeding during infancy or childhood. The pathophysiological and molecular mechanisms involved in the “early programming” of CKD are multiple and partially understood. It has been proposed that the developmental programming of arterial hypertension and chronic kidney disease is related to a reduced nephron endowment. However, this mechanism is still discussed. This review discusses the complex relationship between birth weight and nephron endowment and how early growth and nutrition influence long term HT and CKD. We hypothesize that fetal environment reduces moderately the nephron number which appears insufficient by itself to induce long term diseases. Reduced nephron number constitutes a “factor of vulnerability” when additional factors, in particular a rapid postnatal growth or overfeeding, promote the early onset of diseases through a complex combination of various pathophysiological pathways.
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Demicheva E, Crispi F. Long-Term Follow-Up of Intrauterine Growth Restriction: Cardiovascular Disorders. Fetal Diagn Ther 2013; 36:143-53. [DOI: 10.1159/000353633] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 05/29/2013] [Indexed: 11/19/2022]
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Giudicelli F, Brabant AL, Grit I, Parnet P, Amarger V. Excess of methyl donor in the perinatal period reduces postnatal leptin secretion in rat and interacts with the effect of protein content in diet. PLoS One 2013; 8:e68268. [PMID: 23840890 PMCID: PMC3698130 DOI: 10.1371/journal.pone.0068268] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Accepted: 05/28/2013] [Indexed: 11/19/2022] Open
Abstract
Methionine, folic acid, betaine and choline interact in the one-carbon metabolism which provides methyl groups for methylation reactions. An optimal intake of these nutrients during pregnancy is required for successful completion of fetal development and evidence is growing that they could be involved in metabolic long-term programming. However, the biological pathways involved in the action of these nutrients are still poorly known. This study investigated the interaction between methyl donors and protein content in maternal diet during the preconceptual, pregnancy and lactation periods and the consequences on the rat offspring in the short and long term. Methyl donor supplementation reduced leptin secretion in offspring, whereas insulin levels were mostly affected by protein restriction. The joint effect of protein restriction and methyl donor excess strongly impaired postnatal growth in both gender and long term weight gain in male offspring only, without affecting food intake. In addition, rats born from protein restricted and methyl donor supplemented dams gained less weight when fed a hypercaloric diet. Methylation of the leptin gene promoter in adipose tissue was increased in methyl donor supplemented groups but not affected by protein restriction only. These results suggest that maternal methyl donor supplementation may influence energy homeostasis in a gender-dependent manner, without affecting food intake. Moreover, we showed that macronutrients and micronutrients in maternal diet interact to influence the programming of the offspring.
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Affiliation(s)
- Fanny Giudicelli
- INRA, UMR1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
- Université de Nantes, UMR 1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
| | - Anne-Laure Brabant
- INRA, UMR1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
- Université de Nantes, UMR 1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
| | - Isabelle Grit
- INRA, UMR1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
- Université de Nantes, UMR 1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
| | - Patricia Parnet
- INRA, UMR1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
- Université de Nantes, UMR 1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
| | - Valérie Amarger
- INRA, UMR1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
- Université de Nantes, UMR 1280, Physiologie des Adaptations Nutritionnelles, Nantes, France
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Aberrant expression of collapsin response mediator proteins‐1, ‐2 and ‐5 in the brain of intrauterine growth restricted rats. Int J Dev Neurosci 2012; 31:53-60. [DOI: 10.1016/j.ijdevneu.2012.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Revised: 09/15/2012] [Accepted: 10/08/2012] [Indexed: 12/29/2022] Open
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Abstract
According to the Developmental Origins of Health and Disease hypothesis intrauterine or postnatal adaptations to the environment causes morphologic, physiologic or metabolic changes that influence health later in life. These adaptations seem to be carried out through structural, functional and epigenetic modifications. Multiple animal models of cardiovascular programming have been developed, and a brief overview of well-known models and mechanisms is presented. However, developmental programming also offers a novel approach to prevent cardiovascular and related diseases through so-called Reprogramming: administration of appropriate or inhibition of deleterious perinatal factors in induced or genetic models ameliorated undesirable development that otherwise would inevitably have lead to more severe hypertension, cardiovascular and renal disease. A comprehensive overview of these studies suggests that, in analogy to what has been previously recognised in programming, many quite different reprogramming interventions all have similar protective effects. Whether this is due to common final epigenetic pathways remains to be shown.
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Affiliation(s)
- Manuel S Santos
- Department of Nephrology and Hypertension, Laboratory of Renal and Vascular Biology, University Medical Center Utrecht, Utrecht, The Netherlands.
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Ingelfinger JR, Nuyt AM. Impact of fetal programming, birth weight, and infant feeding on later hypertension. J Clin Hypertens (Greenwich) 2012; 14:365-71. [PMID: 22672090 DOI: 10.1111/j.1751-7176.2012.00660.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The concept of developmental origins of adult disease derives from both epidemiologic and basic sciences. This brief review considers the impact of the intrauterine milieu, intrauterine growth retardation, premature birth, and infant feeding on later hypertension and kidney disease.
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Affiliation(s)
- Julie R Ingelfinger
- Department of Pediatrics, Division of Nephrology, MassGeneral Hospital for Children/MGH, 55 Fruit Street, Boston, MA 02114, USA.
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Cianfarani S, Agostoni C, Bedogni G, Berni Canani R, Brambilla P, Nobili V, Pietrobelli A. Effect of intrauterine growth retardation on liver and long-term metabolic risk. Int J Obes (Lond) 2012; 36:1270-7. [PMID: 22531091 DOI: 10.1038/ijo.2012.54] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Intrauterine growth retardation predisposes toward long-term morbidity from type 2 diabetes and cardiovascular disease. To explain this association, the concept of programming was introduced to indicate a process whereby a stimulus or insult at a critical period of development has lasting or lifelong consequences on key endocrine and metabolic pathways. Subtle changes in cell composition of tissues, induced by suboptimal conditions in utero, can influence postnatal physiological functions. There is increasing evidence, suggesting that liver may represent one of the candidate organs targeted by programming, undergoing structural, functional and epigenetic changes following exposure to an unfavorable intrauterine environment. The aim of this review is to provide insights into the molecular mechanisms underlying liver programming that contribute to increase the cardiometabolic risk in subjects with intrauterine growth restriction.
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Affiliation(s)
- S Cianfarani
- Molecular Endocrinology Unit-DPUO, Bambino Gesù Children's Hospital - 'Rina Balducci' Center of Pediatric Endocrinology, Tor Vergata University, Rome, Italy.
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