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Prates KV, Pavanello A, Gongora AB, Moreira VM, de Moraes AMP, Rigo KP, Vieira E, Mathias PCDF. Time-restricted feeding during embryonic development leads to metabolic dysfunction in adult rat offspring. Nutrition 2022; 103-104:111776. [DOI: 10.1016/j.nut.2022.111776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 06/06/2022] [Accepted: 06/08/2022] [Indexed: 11/24/2022]
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Renin–Angiotensin System in Liver Metabolism: Gender Differences and Role of Incretins. Metabolites 2022; 12:metabo12050411. [PMID: 35629915 PMCID: PMC9143858 DOI: 10.3390/metabo12050411] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/12/2022] [Accepted: 04/27/2022] [Indexed: 02/04/2023] Open
Abstract
The impaired hepatic lipids and carbohydrates metabolism result in various metabolic disorders, including obesity, diabetes, insulin resistance, hyperlipidemia and metabolic syndrome. The renin–angiotensin system (RAS) has been identified in the liver and it is now recognized as an important modulator of body metabolic processes. This review is intended to provide an update of the impact of the renin–angiotensin system on lipid and carbohydrate metabolism, regarding gender difference and prenatal undernutrition, specifically focused on the role of the liver. The discovery of angiotensin-converting enzyme 2 (ACE2) has renewed interest in the potential therapeutic role of RAS modulation. RAS is over activated in non-alcoholic fatty liver disease (NAFLD) and hepatocellular carcinoma. Glucagon-like peptide-1 (GLP-1) has been shown to modulate RAS. The GLP-I analogue liraglutide antagonizes hepatocellular steatosis and exhibits liver protection. Liraglutide has a negative effect on the ACE/AngII/AT1R axis and a positive impact on the ACE2/Ang(1-7)/Mas axis. Activation of the ACE2/Ang(1-7)/Mas counter-regulatory axis is able to prevent liver injuries. Angiotensin(1-7) and ACE2 shows more favorable effects on lipid homeostasis in males but there is a need to do more investigation in female models. Prenatal undernutrition exerts long-term effects in the liver of offspring and is associated with a number of metabolic and endocrine alterations. These findings provide a novel therapeutic regimen to prevent and treat many chronic diseases by accelerating the effect of the ACE2/Ang1-7/Mas axis and inhibiting the ACE/AngII/AT1R axis.
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Consumption of barley ameliorates the diabetic steatohepatitis and reduces the high transforming growth factor β expression in mice grown in α-minimum essential medium in vitro as embryos. Biochem Biophys Rep 2021; 27:101029. [PMID: 34136664 PMCID: PMC8181192 DOI: 10.1016/j.bbrep.2021.101029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 05/06/2021] [Accepted: 05/17/2021] [Indexed: 12/12/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD), which includes the subtype non-alcoholic steatohepatitis (NASH), is a major complication of type 2 diabetic mellitus (T2DM), even among non-obese patients. However, the exact cause of NAFLD/NASH in non-obese patients with T2DM is unclear. We studied a non-obese mouse model of T2DM created through the malnourishment of embryos by culture in vitro for 48 h in α-minimum essential medium (MEM) at the two-cell stage. We compared the development of steatohepatitis in these MEM mice with control mice that were similarly cultured in standard potassium simplex-optimized medium (KSOM). We also studied the effects of 10 weeks of consumption of barley, which contains large amounts of the soluble fiber β-glucan, on the steatohepatitis of the adult MEM mice. The size of lipid droplets, the area of fibrosis, and the mRNA expression of the transforming growth factor beta (Tgfb) gene in the liver were higher in adult MEM mice fed a rice-based diet than in KSOM mice fed the same diet. However, barley consumption reduced the area of fibrosis and TGFB expression in MEM mice. In conclusion, adult mice that are cultured in MEM at the two-cell embryo stage develop steatohepatitis and T2DM, accompanied by higher hepatic TGFB expression, than KSOM controls. Furthermore, the consumption of barley during adulthood ameliorates the steatohepatitis and reduces the TGFB expression. The mouse preimplantation embryos cultured in αMEM in vitro developed steatohepatitis. Dietary barley suppressed diabetic steatohepatitis with fibrosis. Barley intake also reduced gene and protein expression of TGFB in livers of MEM mice.
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Pendleton AL, Wesolowski SR, Regnault TRH, Lynch RM, Limesand SW. Dimming the Powerhouse: Mitochondrial Dysfunction in the Liver and Skeletal Muscle of Intrauterine Growth Restricted Fetuses. Front Endocrinol (Lausanne) 2021; 12:612888. [PMID: 34079518 PMCID: PMC8165279 DOI: 10.3389/fendo.2021.612888] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 04/22/2021] [Indexed: 11/14/2022] Open
Abstract
Intrauterine growth restriction (IUGR) of the fetus, resulting from placental insufficiency (PI), is characterized by low fetal oxygen and nutrient concentrations that stunt growth rates of metabolic organs. Numerous animal models of IUGR recapitulate pathophysiological conditions found in human fetuses with IUGR. These models provide insight into metabolic dysfunction in skeletal muscle and liver. For example, cellular energy production and metabolic rate are decreased in the skeletal muscle and liver of IUGR fetuses. These metabolic adaptations demonstrate that fundamental processes in mitochondria, such as substrate utilization and oxidative phosphorylation, are tempered in response to low oxygen and nutrient availability. As a central metabolic organelle, mitochondria coordinate cellular metabolism by coupling oxygen consumption to substrate utilization in concert with tissue energy demand and accretion. In IUGR fetuses, reducing mitochondrial metabolic capacity in response to nutrient restriction is advantageous to ensure fetal survival. If permanent, however, these adaptations may predispose IUGR fetuses toward metabolic diseases throughout life. Furthermore, these mitochondrial defects may underscore developmental programming that results in the sequela of metabolic pathologies. In this review, we examine how reduced nutrient availability in IUGR fetuses impacts skeletal muscle and liver substrate catabolism, and discuss how enzymatic processes governing mitochondrial function, such as the tricarboxylic acid cycle and electron transport chain, are regulated. Understanding how deficiencies in oxygen and substrate metabolism in response to placental restriction regulate skeletal muscle and liver metabolism is essential given the importance of these tissues in the development of later lifer metabolic dysfunction.
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Affiliation(s)
- Alexander L. Pendleton
- School of Animal and Comparative Biomedical Sciences, The University of Arizona, Tucson, AZ, United States
| | - Stephanie R. Wesolowski
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, United States
| | | | - Ronald M. Lynch
- School of Animal and Comparative Biomedical Sciences, The University of Arizona, Tucson, AZ, United States
| | - Sean W. Limesand
- School of Animal and Comparative Biomedical Sciences, The University of Arizona, Tucson, AZ, United States
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Zhu W, Gui W, Lin X, Yin X, Liang L, Li H. Maternal undernutrition modulates hepatic MicroRNAs expression in the early life of offspring. Exp Cell Res 2021; 400:112450. [PMID: 33347859 DOI: 10.1016/j.yexcr.2020.112450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/20/2020] [Accepted: 12/16/2020] [Indexed: 02/02/2023]
Abstract
Emerging studies revealed that a poor intrauterine environment elicited by maternal nutrient restriction (MNR) is associated with an increased risk of metabolic diseases in adulthood. Previous research has shown that microRNAs (miRNAs) exert pivotal roles in modulating molecular pathways involved in disease pathogenesis and progression. In this respect, we herein examined miRNA profiles in samples of liver from offspring whose mothers were fed either with a 50% food-restricted diet or standard laboratory chow during pregnancy. Our findings enumerated that miR-181a, involved in lipid metabolism, was found to be downregulated in the liver of MNR offspring at 1 day of age when compared to that of control offspring. We also noted that overexpression of miR-181a reduced the lipid droplets after treatment with oleic acid for 48 h, which suppressed the expressions levels of SIRT1, FOXO1, KLF6 and PPARγ in BRL-3A cells, while the opposite results were observed with decreased expression of miR-181a. Furthermore, the luciferase reporter assay confirmed the direct interactions between miR-181a with KLF6 and SIRT1. In adults, the MNR offspring elucidated increased TG content, decreased expression of miR-181a, and increased expressions levels of SIRT1, FOXO1, KLF6, and PPARγ in liver tissues. Collectively, these findings provided novel evidence that MNR could regulate miRNAs expression, which might be related to lipid metabolism in MNR offspring.
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Affiliation(s)
- Weifen Zhu
- Department of Endocrinology, The Affiliated Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Weiwei Gui
- Department of Endocrinology, The Affiliated Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xihua Lin
- Department of Endocrinology, The Affiliated Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xueyao Yin
- Department of Endocrinology, The Affiliated Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Li Liang
- Department of Pediatrics, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Hong Li
- Department of Endocrinology, The Affiliated Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
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6
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Christians JK, Shergill HK, Albert AYK. Sex-dependent effects of prenatal food and protein restriction on offspring physiology in rats and mice: systematic review and meta-analyses. Biol Sex Differ 2021; 12:21. [PMID: 33563335 PMCID: PMC7871651 DOI: 10.1186/s13293-021-00365-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 01/31/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Males and females may experience different effects of early-life adversity on life-long health. One hypothesis is that male foetuses invest more in foetal growth and relatively less in placental growth, and that this makes them susceptible to poor nutrition in utero, particularly if nutrition is reduced part-way through gestation. OBJECTIVES Our objectives were to examine whether (1) food and/ or protein restriction in rats and mice has consistent sex-dependent effects, (2) sex-dependency differs between types of outcomes, and (3) males are more severely affected when restriction starts part-way through gestation. DATA SOURCES PubMed and Web of Science were searched to identify eligible studies. STUDY ELIGIBILITY CRITERIA Eligible studies described controlled experiments that restricted protein or food during gestation in rats or mice, examined physiological traits in offspring from manipulated pregnancies, and tested whether effects differed between males and females. RESULTS Our search identified 292 articles, of which the full texts of 72 were assessed, and 65 were included for further synthesis. A majority (50) used Wistar or Sprague-Dawley rats and so these were the primary focus. Among studies in which maternal diet was restricted for the duration of gestation, no type of trait was consistently more severely affected in one particular sex, although blood pressure was generally increased in both sexes. Meta-analysis found no difference between sexes in the effect of protein restriction throughout gestation on blood pressure. Among studies restricting food in the latter half of gestation only, there were again few consistent sex-dependent effects, although three studies found blood pressure was increased in males only. Meta-analysis found that food restriction in the second half of gestation increased adult blood pressure in both sexes, with a significantly greater effect in males. Birthweight was consistently reduced in both sexes, a result confirmed by meta-analysis. CONCLUSIONS We found little support for the hypotheses that males are more affected by food and protein restriction, or that effects are particularly severe if nutrition is reduced part-way through gestation. However, less than half of the studies tested for sex by maternal diet interactions to identify sex-dependent effects. As a result, many reported sex-specific effects may be false positives.
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Affiliation(s)
- Julian K Christians
- Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada. .,Centre for Cell Biology, Development and Disease, Simon Fraser University, Burnaby, Canada. .,British Columbia Children's Hospital Research Institute, Vancouver, BC, Canada. .,Women's Health Research Institute, BC Women's Hospital and Health Centre, Vancouver, British Columbia, Canada.
| | - Haroop K Shergill
- Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada
| | - Arianne Y K Albert
- Women's Health Research Institute, BC Women's Hospital and Health Centre, Vancouver, British Columbia, Canada
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Zanini BM, Andrade KRS, Pradiee J, Veiga GB, Garcia DN, Mondadori RG, Cruz LAX, Alvarado-Rincón JA, Ramirez RP, Saccon TD, Masternak MM, Barros CC, Schneider A. Calorie restriction during gestation affects ovarian reserve in offspring in the mouse. Reprod Fertil Dev 2020; 32:1338-1349. [PMID: 33243369 DOI: 10.1071/rd20107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 10/27/2020] [Indexed: 01/02/2023] Open
Abstract
The aim of this study was to investigate the effect of calorie restriction (CR) during pregnancy in mice on metabolism and ovarian function in the offspring. Pregnant female mice were divided into two groups, a control group and a CR group (n=7 in each). Mice in the CR group were fed 50% of the amount consumed by control females from Day 10 of gestation until delivery. After weaning, the offspring received diet ad libitum until 3 months of age, when ovaries were collected. Ovaries were serially cut and every sixth section was used for follicle counting. Female offspring from CR dams tended to have increased bodyweight compared with offspring from control females (P=0.08). Interestingly, fewer primordial follicles (60% reduction; P=0.001), transitional follicles (P=0.0006) and total follicles (P=0.006) were observed in offspring from CR mothers. The number of primary, secondary and tertiary follicles did not differ between the groups (P>0.05). The CR offspring had fewer DNA double-strand breaks in primary follicle oocytes (P=0.03). In summary, CR during the second half of gestation decreased primordial ovarian follicle reserve in female offspring. These findings suggest that undernutrition during the second half of gestation may decrease the reproductive lifespan of female offspring.
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Affiliation(s)
- Bianka M Zanini
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Kelvin R S Andrade
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Jorgea Pradiee
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Gabriel B Veiga
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Driele N Garcia
- Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Rafael G Mondadori
- Instituto de Biologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Luís A X Cruz
- Instituto de Biologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | | | - Renata P Ramirez
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Tatiana D Saccon
- Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Michal M Masternak
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Carlos C Barros
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Augusto Schneider
- Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brazil; and Corresponding author.
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Rabinowicz S, Levkovitz O, Leibovitch L, Schushan-Eisen I, Morag I, Rosen C, Maayan-Metzger A, Strauss T. Increased risk for early hypertriglyceridemia in small for gestational age preterm infants. Eur J Pediatr 2020; 179:1873-1879. [PMID: 32770487 DOI: 10.1007/s00431-020-03764-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 07/25/2020] [Accepted: 07/30/2020] [Indexed: 11/29/2022]
Abstract
Small for gestational age preterm are at increased risk for future metabolic syndrome. Early indication for the disrupted metabolism may be found in the perinatal period. We aimed to evaluate whether small for gestational age preterm infants are at increased risk for hypertriglyceridemia when treated with lipid emulsions, and to investigate the association between triglyceride levels and morbidity. Small for gestational age infants ≤ 34 weeks' gestation age born during 2013-2016 were matched and compared with appropriate for gestational age counterparts. Triglyceride concentration > 250 mg/dL during treatment with parenteral nutrition was considered high. The study included 71 pairs of preterm infants. Hypertriglyceridemia was documented among 22.5% of the small for gestational age infants vs. 5.6% of the appropriate for gestational age infants (p = 0.007). Mean triglyceride levels were 194.4 ± 192.3 mg/dL and 99.9 ± 82.8 mg/dL, respectively (p < 0.001). Small for gestational age was predictive of hypertriglyceridemia (OR = 6.41; 95% CI 1.8-22.9). No significant association was found between triglyceride levels and morbidities in multivariate analysis.Conclusion: Small for gestational age preterm infants receiving lipid emulsions might be at a higher risk for hypertriglyceridemia. Routine monitoring of triglyceride levels will enable identification of the necessity for a slower increase in lipid emulsion therapy. What is Known: • Moderate and very preterm infants are routinely treated with lipid emulsions. • Small for gestational age (SGA) infants may have different metabolism, as they demonstrate higher risk for metabolic syndrome. What is New: • • SGA infants had a higher mean triglyceride level and more commonly had early hypertriglyceridemia (triglycerides > 250 mg/dL) compared with appropriate for gestational age infants treated with the same intravenous lipid dose. Small for gestational age was predictive of hypertriglyceridemia. • No significant association was found between triglyceride levels and morbidities in multivariate analysis.
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Affiliation(s)
- Shira Rabinowicz
- Pediatric Neurology Unit, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Orly Levkovitz
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel
| | - Leah Leibovitch
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel
| | - Irit Schushan-Eisen
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel
| | - Iris Morag
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel
| | - Chava Rosen
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel
| | - Ayala Maayan-Metzger
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel
| | - Tzipora Strauss
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. .,Department of Neonatology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, 5262000, Tel Hashomer, Israel.
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Lecoutre S, Montel V, Vallez E, Pourpe C, Delmont A, Eury E, Verbanck M, Dickes-Coopman A, Daubersies P, Lesage J, Laborie C, Tailleux A, Staels B, Froguel P, Breton C, Vieau D. Transcription profiling in the liver of undernourished male rat offspring reveals altered lipid metabolism pathways and predisposition to hepatic steatosis. Am J Physiol Endocrinol Metab 2019; 317:E1094-E1107. [PMID: 31638854 DOI: 10.1152/ajpendo.00291.2019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Clinical and animal studies have reported an association between low birth weight and the development of nonalcoholic fatty liver disease (NAFLD) in offspring. Using a model of prenatal maternal 70% food restriction diet (FR30) in the rat, we previously showed that maternal undernutrition predisposes offspring to altered lipid metabolism in adipose tissue, especially on a high-fat (HF) diet. Here, using microarray-based expression profiling combined with metabolic, endocrine, biochemical, histological, and lipidomic approaches, we assessed whether FR30 procedure sensitizes adult male offspring to impaired lipid metabolism in the liver. No obvious differences were noted in the concentrations of triglycerides, cholesterol, and bile acids in the liver of 4-mo-old FR30 rats whichever postweaning diet was used. However, several clues suggest that offspring's lipid metabolism and steatosis are modified by maternal undernutrition. First, lipid composition was changed (i.e., higher total saturated fatty acids and lower elaidic acid) in the liver, whereas larger triglyceride droplets were observed in hepatocytes of undernourished rats. Second, FR30 offspring exhibited long-term impact on hepatic gene expression and lipid metabolism pathways on a chow diet. Although the transcriptome profile was globally modified by maternal undernutrition, cholesterol and bile acid biosynthesis pathways appear to be key targets, indicating that FR30 animals were predisposed to impaired hepatic cholesterol metabolism. Third, the FR30 protocol markedly modifies hepatic gene transcription profiles in undernourished offspring in response to postweaning HF. Overall, FR30 offspring may exhibit impaired metabolic flexibility, which does not enable them to properly cope with postweaning nutritional challenges influencing the development of nonalcoholic fatty liver.
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Affiliation(s)
- Simon Lecoutre
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | - Valérie Montel
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | - Emmanuelle Vallez
- Université Lille, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, INSERM U1011-European Genomic Institute for Diabetes, Lille, France
| | - Charlène Pourpe
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | | | - Elodie Eury
- Université Lille, UMR 8199, European Genomic Institute for Diabetes, Lille, France
| | - Marie Verbanck
- Université Lille, UMR 8199, European Genomic Institute for Diabetes, Lille, France
| | - Anne Dickes-Coopman
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | | | - Jean Lesage
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | - Christine Laborie
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | - Anne Tailleux
- Université Lille, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, INSERM U1011-European Genomic Institute for Diabetes, Lille, France
| | - Bart Staels
- Université Lille, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, INSERM U1011-European Genomic Institute for Diabetes, Lille, France
| | - Philippe Froguel
- Université Lille, UMR 8199, European Genomic Institute for Diabetes, Lille, France
| | - Christophe Breton
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
| | - Didier Vieau
- Université Lille, EA4489, Equipe Malnutrition Maternelle et Programmation des Maladies Métaboliques, Lille, France
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10
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Dai Y, Ghosh S, Shin BC, Devaskar SU. Role of microRNA-122 in hepatic lipid metabolism of the weanling female rat offspring exposed to prenatal and postnatal caloric restriction. J Nutr Biochem 2019; 73:108220. [PMID: 31630081 PMCID: PMC6896790 DOI: 10.1016/j.jnutbio.2019.108220] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 06/23/2019] [Accepted: 07/30/2019] [Indexed: 12/17/2022]
Abstract
We examined the role of hepatocyte micro-RNA-122 and hypothalamic neuropeptides, in weanling (21d) female rats exposed to calorie restriction induced growth restriction either prenatally (IUGR), postnatally (PNGR) or both (IPGR) vs. ad lib fed controls (CON). IUGR were hyperinsulinemic, hyperleptinemic and dyslipidemic with high circulating miR-122. In contrast, PNGR and IPGR displayed insufficient glucose, insulin and leptin amidst high ketones with a dichotomy in circulating miR-122 of PNGR
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Affiliation(s)
- Yun Dai
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA
| | - Shubhamoy Ghosh
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA
| | - Bo-Chul Shin
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA
| | - Sherin U Devaskar
- Department of Pediatrics and the Children's Discovery and Innovation Institute, David Geffen School of Medicine UCLA, Los Angeles, CA.
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11
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Bouwman LMS, Fernández-Calleja JMS, van der Stelt I, Oosting A, Keijer J, van Schothorst EM. Replacing Part of Glucose with Galactose in the Postweaning Diet Protects Female But Not Male Mice from High-Fat Diet-Induced Adiposity in Later Life. J Nutr 2019; 149:1140-1148. [PMID: 31076770 PMCID: PMC6602901 DOI: 10.1093/jn/nxz028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/11/2018] [Accepted: 02/04/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Duration of breastfeeding is positively associated with decreased adiposity and increased metabolic health in later life, which might be related to galactose. OBJECTIVE The aim of this study was to investigate if partial replacement of glucose with galactose in the postweaning diet had a metabolic programming effect. METHODS Male and female mice (C57BL/6JRccHsd) received an isocaloric diet (16 energy% fat; 64 energy% carbohydrates; 20 energy% protein) with either glucose (32 energy%) (GLU) or glucose + galactose (GLU + GAL, 16 energy% each) for 3 wk postweaning. Afterwards, all mice were switched to the same 40 energy% high-fat diet (HFD) for 9 wk to evaluate potential programming effects in an obesogenic environment. Data were analyzed within sex. RESULTS Female body weight (-14%) and fat mass (-47%) were significantly lower at the end of the HFD period (both P < 0.001) among those fed GLU + GAL than among those fed GLU; effects in males were in line with these findings but nonsignificant. Food intake was affected in GLU + GAL-fed females (+8% on postweaning diet, -9% on HFD) compared with GLU-fed females, but not for hypothalamic transcript levels at endpoint. Also, in GLU + GAL-fed females, serum insulin concentrations (-48%, P < 0.05) and the associated homeostasis model assessment of insulin resistance (HOMA-IR) were significantly lower ( P < 0.05) at endpoint, but there were no changes in pancreas morphology. In GLU + GAL-fed females, expression of insulin receptor substrate 2 (Irs2) (-27%, P < 0.01 ; -44%, P < 0.001) and the adipocyte size markers leptin (Lep) (-40%, P < 0.05; -63% , P < 0.05) and mesoderm-specific transcript homolog protein (Mest) (-80%, P < 0.05; -72%, P < 0.05) was lower in gonadal and subcutaneous white adipose tissue (WAT), respectively. Expression of insulin receptor substrate1 (Irs1) (-24%, P < 0.05) was only lower in subcutaneous WAT in GLU + GAL-fed females. CONCLUSIONS Partial replacement of glucose with galactose, resulting in a 1:1 ratio mimicking lactose, in a 3-wk postweaning diet lowered body weight, adiposity, HOMA-IR, and expression of WAT insulin signaling in HFD-challenged female mice in later life. This suggests that prolonged galactose intake may improve metabolic and overall health in later life.
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Affiliation(s)
- Lianne M S Bouwman
- Human and Animal Physiology, Wageningen University, Wageningen, Netherlands
| | | | - Inge van der Stelt
- Human and Animal Physiology, Wageningen University, Wageningen, Netherlands
| | | | - Jaap Keijer
- Human and Animal Physiology, Wageningen University, Wageningen, Netherlands
| | - Evert M van Schothorst
- Human and Animal Physiology, Wageningen University, Wageningen, Netherlands,Address correspondence to EMvS (e-mail: )
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12
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Sarr O, Mathers KE, Zhao L, Dunlop K, Chiu J, Guglielmo CG, Bureau Y, Cheung A, Raha S, Lee TY, Regnault TRH. Western diet consumption through early life induces microvesicular hepatic steatosis in association with an altered metabolome in low birth weight Guinea pigs. J Nutr Biochem 2019; 67:219-233. [PMID: 30981986 DOI: 10.1016/j.jnutbio.2019.02.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 02/20/2019] [Accepted: 02/28/2019] [Indexed: 02/07/2023]
Abstract
Uteroplacental insufficiency-induced low birth weight (LBW) and postnatal high saturated fat/high sucrose-fructose diet (Western Diet, WD) consumption have been independently associated with the development of hepatic steatosis, while their additive effect on fatty acid, acylcarnitine and amino acid profiles in early adulthood have not been widely reported. We employed LBW, generated via uterine artery ablation, and normal birth weight (NBW) male guinea pigs fed either a WD or control diet (CD) from weaning to postnatal day 150 (early adulthood). Hepatic steatosis was absent in CD-fed offspring, while NBW/WD offspring displayed macrovesicular steatosis and LBW/WD offspring exhibited microvesicular steatosis, both occurring in a lean phenotype. Life-long consumption of the WD, irrespective of birth weight, was associated with an increase in hepatic medium- and long-chain saturated fatty acids, monounsaturated fatty acids, acylcarnitines, reduced oxidative phosphorylation complex III activity and polyunsaturated fatty acids, and molecular evidence of disrupted hepatic insulin signaling. In NBW/WD, hepatic C15:1 and C16:1n-6 fatty acids in phospholipids, C16, C18 and C18:1 acylcarnitines, concentrations of aspartate, phenylalanine, tyrosine and tryptophan and expression of carnitine palmitoyltransferase 1 alpha (CPT1α) and uncoupling protein 2 (UCP2) genes were elevated compared to LBW/WD livers. Our results suggest that LBW and life-long WD combined are influential in promoting hepatic microvesicular steatosis in conjunction with a specific mitochondrial gene expression and metabolomic profile in early adulthood.
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Affiliation(s)
- Ousseynou Sarr
- Department of Obstetrics and Gynaecology, Western University, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada; Children's Health Research Institute, London, Ontario, Canada
| | | | - Lin Zhao
- Department of Obstetrics and Gynaecology, Western University, London, Ontario, Canada
| | - Kristyn Dunlop
- Department of Physiology and Pharmacology, Western University
| | - Jacky Chiu
- Department of Physiology and Pharmacology, Western University
| | | | - Yves Bureau
- Department of Medical Biophysics, Western University
| | - Anson Cheung
- Department of Paediatrics, McMaster University, Hamilton, Ontario, Canada
| | - Sandeep Raha
- Department of Paediatrics, McMaster University, Hamilton, Ontario, Canada
| | - Ting-Yim Lee
- Lawson Health Research Institute, London, Ontario, Canada; Departments of Medical Imaging, Medical Biophysics, and Oncology, Western University; Robarts Research Institute, London, Ontario, Canada
| | - Timothy R H Regnault
- Department of Obstetrics and Gynaecology, Western University, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada; Children's Health Research Institute, London, Ontario, Canada; Department of Physiology and Pharmacology, Western University.
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13
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Stojanovska V, Sharma N, Dijkstra DJ, Scherjon SA, Jäger A, Schorle H, Plösch T. Placental insufficiency contributes to fatty acid metabolism alterations in aged female mouse offspring. Am J Physiol Regul Integr Comp Physiol 2018; 315:R1107-R1114. [PMID: 30207754 DOI: 10.1152/ajpregu.00420.2017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Intrauterine growth restriction (IUGR) is an accepted risk factor for metabolic disorders in later life, including obesity and type 2 diabetes. The level of metabolic dysregulation can vary between subjects and is dependent on the severity and the type of IUGR insult. Classical IUGR animal models involve nutritional deprivation of the mother or uterine artery ligation. The latter aims to mimic a placental insufficiency, which is the most frequent cause of IUGR. In this study, we investigated whether IUGR attributable to placental insufficiency impacts the glucose and lipid homeostasis at advanced age. Placental insufficiency was achieved by deletion of the transcription factor AP-2y ( Tfap2c), which serves as one of the major trophoblast differentiation regulators. TdelT-IUGR mice were obtained by crossing mice with a floxed Tfap2c allele and mice with Cre recombinase under the control of the Tpbpa promoter. In advanced adulthood (9-12 mo), female and male IUGR mice are respectively 20% and 12% leaner compared with controls. At this age, IUGR mice have unaffected glucose clearance and lipid parameters (cholesterol, triglycerides, and phospholipids) in the liver. However, female IUGR mice have increased plasma free fatty acids (+87%) compared with controls. This is accompanied by increased mRNA levels of fatty acid synthase and endoplasmic reticulum stress markers in white adipose tissue. Taken together, our results suggest that IUGR by placental insufficiency may lead to higher lipogenesis in female mice in advanced adulthood, at least indicated by greater Fasn expression. This effect was sex specific for the aged IUGR females.
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Affiliation(s)
- Violeta Stojanovska
- Department of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen , Groningen , The Netherlands
| | - Neha Sharma
- Department of Developmental Pathology, Institute of Pathology, Bonn University Medical School , Bonn , Germany
| | - Dorieke J Dijkstra
- Department of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen , Groningen , The Netherlands
| | - Sicco A Scherjon
- Department of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen , Groningen , The Netherlands
| | - Andrea Jäger
- Department of Developmental Pathology, Institute of Pathology, Bonn University Medical School , Bonn , Germany
| | - Hubert Schorle
- Department of Developmental Pathology, Institute of Pathology, Bonn University Medical School , Bonn , Germany
| | - Torsten Plösch
- Department of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen , Groningen , The Netherlands
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14
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Spearman AD, Loomba RS, Danduran M, Kovach J. Intrauterine growth restriction is not associated with decreased exercise capacity in adolescents with congenital heart disease. CONGENIT HEART DIS 2018; 13:369-376. [DOI: 10.1111/chd.12577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 11/20/2017] [Accepted: 12/26/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Andrew D. Spearman
- Division of Cardiology, Children's Hospital of Wisconsin, Medical College of Wisconsin; Milwaukee Wisconsin, USA
| | - Rohit S. Loomba
- Division of Cardiology, Cincinnati Children's Hospital Medical Center; Ohio, USA
| | - Michael Danduran
- Division of Cardiology, Children's Hospital of Wisconsin, Medical College of Wisconsin; Milwaukee Wisconsin, USA
| | - Joshua Kovach
- Division of Cardiology, Children's Hospital of Wisconsin, Medical College of Wisconsin; Milwaukee Wisconsin, USA
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15
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Nowacka-Woszuk J, Madeja ZE, Chmurzynska A. Prenatal caloric restriction alters lipid metabolism but not hepatic Fasn gene expression and methylation profiles in rats. BMC Genet 2017; 18:78. [PMID: 28810876 PMCID: PMC5558693 DOI: 10.1186/s12863-017-0544-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 08/08/2017] [Indexed: 01/05/2023] Open
Abstract
Background Undernutrition is an increasingly common problem. Insufficient calorie intake and nutrient deficiencies during pregnancy may have an impact not only on the mother, but may also alter metabolism in the infant. In this study, we have applied a calorie-restricted diet during gestation and examined its effect on hepatic Fasn mRNA and DNA methylation profiles in rats and their female progeny. The body composition and blood lipid profiles were also evaluated in both generations. Results The results showed that the investigated diet regimen exerted a greater effect on the dams than on the offspring. We found that, in the calorie-restricted group, the transcript level of the Fasn gene in the liver increased in the mothers, while in the progeny it was only slightly enhanced. The implemented diet altered lipid profile in the dams by decreasing total cholesterol, HDL, and TG levels. An increase in LDL was noted in the offspring. No change in DNA methylation profile was observed in response to the calorie-restricted diet. Conclusions Calorie restriction during pregnancy modified the hepatic Fasn mRNA transcript level and altered the blood cholesterol concentrations in dams, but there were no such effects in their four-week-old offspring. The examined dietary regimen had no effect on DNA methylation of the Fasn 5′-flanking region in the rat liver. Electronic supplementary material The online version of this article (doi:10.1186/s12863-017-0544-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Joanna Nowacka-Woszuk
- Department of Genetics and Animal Breeding, Poznań University of Life Sciences, Wolynska 33, 60-637, Poznan, Poland
| | - Zofia E Madeja
- Department of Genetics and Animal Breeding, Poznań University of Life Sciences, Wolynska 33, 60-637, Poznan, Poland
| | - Agata Chmurzynska
- Department of Human Nutrition and Hygiene, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624, Poznan, Poland.
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Growth hormone reverses dyslipidemia in adult offspring after maternal undernutrition. Sci Rep 2017; 7:6038. [PMID: 28729704 PMCID: PMC5519748 DOI: 10.1038/s41598-017-05045-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 05/24/2017] [Indexed: 11/08/2022] Open
Abstract
The abnormal intrauterine milieu of fetal growth retardation could lead to dyslipidemia in adulthood. Studies have shown that growth hormone (GH) therapy in small for gestational age (SGA) children would be beneficial for metabolic parameters. Here we investigated whether GH treatment introduced at adolescent period in SGA could reverse dyslipidemia during later life. SGA rat model was established by using semi-starvation treatment during the whole pregnancy. SGA or appropriate for gestational age (AGA) offspring were assigned to receive GH or normal saline (NS). Once-daily subcutaneous injections of GH were administered between 21-35 days of age. In adulthood, as compared to AGA, SGA showed: (1) decreased body weight and length; (2) increased serum triglycerides; (3) down-regulated hepatic AMPK-α1 but up-regulated SREBP-1c and ACC-1; (4) a significant reduction in histone H3 acetylation at the promoter of AMPK-α1. Exogenous GH administration led to a restoration of body weight and length and normalized serum triglycerides by reversing expression of AMPK-α1 and its targeted genes SREBP-1c and ACC-1, through increasing H3 acetylation at the promoter of AMPK-α1 in SGA in adult period. These results demonstrated positive effects on lipid metabolism by a short treatment course of GH in SGA adult period.
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Prenatal food restriction induces poor-quality articular cartilage in female rat offspring fed a post-weaning high-fat diet and its intra-uterine programming mechanisms. Br J Nutr 2016; 116:1346-1355. [PMID: 27680963 DOI: 10.1017/s000711451600338x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Epidemiological data show that osteoarthritis (OA) is significantly associated with lower birth weight, and that OA may be a type of fetal-originated adult disease. The present study aimed to investigate the prenatal food-restriction (PFR) effect on the quality of articular cartilage in female offspring to explore the underlying mechanisms of fetal-originated OA. Maternal rats were fed a restricted diet from gestational day (GD) 11 to 20 to induce intra-uterine growth retardation. Female fetuses and female adult offspring fed a post-weaning high-fat diet were killed at GD20 and postnatal week 24, respectively. Serum and knee cartilage samples from fetuses and adult female offspring were collected and examined for cholesterol metabolism and histology. Fetal serum corticosterone and insulin-like growth factor-1 (IGF-1) in the PFR group were lower than those of the control, but the serum cholesterol level was not changed. The lower expression of IGF-1 in the PFR group lasted into adulthood. The expression of extracellular matrix (ECM) genes, including type II collagen, aggrecan and cholesterol efflux genes including liver X receptor, were significantly induced, but the ATP-binding-cassette transporter A1 was unchanged. PFR could induce a reduction in ECM synthesis and impaired cholesterol efflux in female offspring, and eventually led to poor quality of articular cartilage and OA.
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18
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The effects of prenatal metformin on obesogenic diet-induced alterations in maternal and fetal fatty acid metabolism. Nutr Metab (Lond) 2016; 13:55. [PMID: 27555877 PMCID: PMC4994240 DOI: 10.1186/s12986-016-0115-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 08/13/2016] [Indexed: 12/21/2022] Open
Abstract
Background Maternal obesity may program the fetus and increase the susceptibility of the offspring to adult diseases. Metformin crosses the placenta and has been associated with decreased inflammation and reversal of fatty liver in obese leptin-deficient mice. We investigated the effects of metformin on maternal and fetal lipid metabolism and hepatic inflammation using a rat model of diet-induced obesity during pregnancy. Methods Female Wistar rats (6–7 weeks old) were fed normal or high calorie diets for 5 weeks. After mating with normal-diet fed males, half of the high calorie-fed dams received metformin (300 mg/kg, daily); dams (8 per group) continued diets through gestational day 19. Maternal and fetal livers and fetal brains were analyzed for fatty acids and for fatty acid metabolism-related gene expression. Data were analyzed by ANOVA followed by Dunnett’s post hoc testing. Results When compared to control-lean maternal livers, obesogenic-diet-exposed maternal livers showed significantly higher saturated fatty acids (14:0 and 16:0) and monounsaturated fatty acids (16:1n7 and 18:1n9) and lower polyunsaturated (18:2n6 and 20:4n6 [arachidonic acid]) and anti-inflammatory n3 polyunsaturated fatty acids (18:3n3 and 22:6n3 [docosahexaenoic acid]) (p < 0.05). Metformin did not affect diet-induced changes in maternal livers. Fetal livers exposed to the high calorie diet showed significantly increased saturated fatty acids (18:0) and monounsaturated fatty acids (18:1n9 and 18:1n7) and decreased polyunsaturated fatty acids (18:2n6, 20:4n6 and 22:6n3) and anti-inflammatory n3 polyunsaturated fatty acids, along with increased gene expression of fatty acid metabolism markers (Fasn, D5d, D6d, Scd1, Lxrα). Metformin significantly attenuated diet-induced inflammation and 18:1n9 and 22:6n3 in fetal livers, as well as n3 fatty acids (p < 0.05). Prenatal obesogenic diet exposure significantly increased fetal liver IFNγ levels (p < 0.05), which was reversed by maternal metformin treatment (p < 0.05). Conclusions Consumption of a high calorie diet significantly affected maternal and fetal fatty acid metabolism. It reduced anti-inflammatory polyunsaturated fatty acids in maternal and fetal livers, altered gene expression of fatty acid metabolism markers, and induced inflammation in the fetal livers. Prenatal metformin attenuated some diet-induced fatty acid changes and inflammation in the fetal livers without affecting maternal livers, suggesting that maternal metformin may impact fetal/neonatal fatty acid/lipid metabolism. Electronic supplementary material The online version of this article (doi:10.1186/s12986-016-0115-9) contains supplementary material, which is available to authorized users.
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Chen LH, Liang L, Fang YL, Wang YM, Zhu WF. Fish oil improves lipid profile in juvenile rats with intrauterine growth retardation by altering the transcriptional expression of lipid-related hepatic genes. J Matern Fetal Neonatal Med 2015; 29:3292-8. [PMID: 26586306 DOI: 10.3109/14767058.2015.1123244] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To determine whether maternal intrauterine undernutrition and post-weaning fish oil intake influence lipid profile in juvenile offspring, and explore the possible mechanisms at transcriptional levels. METHODS After weaning, 32 control offspring and 24 intrauterine growth retardation (IUGR) offspring were randomly allocated to standard chow or fish oil diet. At 10 weeks, fasting plasma glucose, triglycerides, total cholesterol and expressions of related hepatic genes were examined. RESULTS IUGR offspring without catch-up growth tended to develop hyperglycemia, dyslipidemia and hepatic steatosis. Down-regulation of CPT-1 and LDLR at transcriptional levels were found in IUGR offspring. Early short-term fish oil intervention reversed these unfavorable changes in juvenile rats with IUGR. The mechanisms might be mediated by decreased expression of ACC-1, increased expression of CPT-1, LDLR and ABCG5. CONCLUSION These data suggest that IUGR offspring already present lipid abnormality in juvenile stage, and early short-term fish oil consumption is beneficial to prevent these unfavorable changes.
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Affiliation(s)
- Lian-Hui Chen
- a Department of Pediatrics , The First Affiliated Hospital of College of Medicine, Zhejiang University , Hangzhou , Zhejiang , China and.,b Department of Pediatrics , The Second Affiliated Hospital of Fujian Medical University , Quanzhou , Fujian , China
| | - Li Liang
- a Department of Pediatrics , The First Affiliated Hospital of College of Medicine, Zhejiang University , Hangzhou , Zhejiang , China and
| | - Yan-Lan Fang
- a Department of Pediatrics , The First Affiliated Hospital of College of Medicine, Zhejiang University , Hangzhou , Zhejiang , China and
| | - Ying-Min Wang
- a Department of Pediatrics , The First Affiliated Hospital of College of Medicine, Zhejiang University , Hangzhou , Zhejiang , China and
| | - Wei-Fen Zhu
- a Department of Pediatrics , The First Affiliated Hospital of College of Medicine, Zhejiang University , Hangzhou , Zhejiang , China and
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20
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Qasem RJ, Li J, Tang HM, Browne V, Mendez-Garcia C, Yablonski E, Pontiggia L, D'Mello AP. Decreased liver triglyceride content in adult rats exposed to protein restriction during gestation and lactation: role of hepatic triglyceride utilization. Clin Exp Pharmacol Physiol 2015; 42:380-8. [PMID: 25641378 DOI: 10.1111/1440-1681.12359] [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: 09/08/2014] [Revised: 12/19/2014] [Accepted: 01/01/2015] [Indexed: 12/19/2022]
Abstract
We have previously demonstrated that protein restriction throughout gestation and lactation reduces liver triglyceride content in adult rat offspring. However, the mechanisms mediating the decrease in liver triglyceride content are not understood. The aim of the current study was to use a new group of pregnant animals and their offspring and determine the contribution of increased triglyceride utilization via the hepatic fatty-acid oxidation and triglyceride secretory pathways to the reduction in liver triglyceride content. Pregnant Sprague-Dawley rats received either a control or a low protein diet throughout pregnancy and lactation. Pups were weaned onto laboratory chow on day 28 and killed on day 65. Liver triglyceride content was reduced in male, but not female, low-protein offspring, both in the fed and fasted states. The reduction was accompanied by a trend towards higher liver carnitine palmitoyltransferase-1a activity, suggesting increased fatty-acid transport into the mitochondrial matrix. However, medium-chain acyl coenzyme A dehydrogenase activity within the mitochondrial matrix, expression of nuclear peroxisome proliferator activated receptor-α, and plasma levels of β-hydroxybutyrate were similar between low protein and control offspring, indicating a lack of change in fatty-acid oxidation. Hepatic triglyceride secretion, assessed by blocking peripheral triglyceride utilization and measuring serum triglyceride accumulation rate, and the activity of microsomal transfer protein, were similar between low protein and control offspring. Because enhanced triglyceride utilization is not a significant contributor, the decrease in liver triglyceride content in male low-protein offspring is likely due to alterations in liver fatty-acid transport or triglyceride biosynthesis.
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Affiliation(s)
- Rani J Qasem
- Department of Pharmaceutical Sciences, University of the Sciences in Philadelphia, Philadelphia, Pennsylvania, USA
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21
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Undernourishment in utero Primes Hepatic Steatosis in Adult Mice Offspring on an Obesogenic Diet; Involvement of Endoplasmic Reticulum Stress. Sci Rep 2015; 5:16867. [PMID: 26581663 PMCID: PMC4652266 DOI: 10.1038/srep16867] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 10/21/2015] [Indexed: 01/29/2023] Open
Abstract
In order to investigate the possible involvement of endoplasmic reticulum (ER) stress in the developmental origins of hepatic steatosis associated with undernourishment in utero, we herein employed a fetal undernourishment mouse model by maternal caloric restriction in three cohorts; cohort 1) assessment of hepatic steatosis and the ER stress response at 9 weeks of age (wks) before a high fat diet (HFD), cohort 2) assessment of hepatic steatosis and the ER stress response on a HFD at 17 wks, cohort 3) assessment of hepatic steatosis and the ER stress response at 22 wks on a HFD after the alleviation of ER stress with a chemical chaperone, tauroursodeoxycholic acid (TUDCA), from 17 wks to 22 wks. Undernourishment in utero significantly deteriorated hepatic steatosis and led to the significant integration of the ER stress response on a HFD at 17 wks. The alleviation of ER stress by the TUDCA treatment significantly improved the parameters of hepatic steatosis in pups with undernourishment in utero, but not in those with normal nourishment in utero at 22 wks. These results suggest the pivotal involvement of the integration of ER stress in the developmental origins of hepatic steatosis in association with undernourishment in utero.
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Zinkhan EK, Chin JR, Zalla JM, Yu B, Numpang B, Yu X, Jiang C, Callaway CW, McKnight RA, Joss-Moore L, Lane RH. Combination of intrauterine growth restriction and a high-fat diet impairs cholesterol elimination in rats. Pediatr Res 2014; 76:432-40. [PMID: 25119340 DOI: 10.1038/pr.2014.117] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Accepted: 05/21/2014] [Indexed: 01/08/2023]
Abstract
BACKGROUND Intrauterine growth restriction (IUGR) increases the risk of adult-onset hypercholesterolemia. High-fat diet (HFD) consumption potentiates IUGR-induced increased cholesterol. Cholesterol is converted to bile acids by Cyp7a1 in preparation for excretion. We hypothesized that IUGR rats fed a HFD will have increased cholesterol, decreased Cyp7a1 protein levels, and decreased bile acids compared to control rats fed a HFD. METHODS At day 21, IUGR and control pups were placed on one of three diets: a regular chow or one of two HFDs containing 1% or 2% cholesterol. Cholesterol levels and hepatic Cyp7a1 protein levels were quantified a postnatal week 28. RESULTS Both HFDs increased serum cholesterol levels in control rats, and HFD fed IUGR rats had further increased serum cholesterol up to 35-fold. Both HFDs increased hepatic cholesterol levels, and IUGR further increased hepatic cholesterol levels up to fivefold. IUGR decreased hepatic Cyp7a1 protein up to 75%, and hepatic bile acids up to 54%. CONCLUSION IUGR increased cholesterol and bile acids and decreased Cyp7a1 protein in rats fed a HFD without changing food intake. These findings suggest that IUGR increases the vulnerability of HFD fed rats to hypercholesterolemia via decreased cholesterol conversion to bile acids.
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Affiliation(s)
- Erin K Zinkhan
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Jeanette R Chin
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, Utah
| | - Jennifer M Zalla
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Baifeng Yu
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Ben Numpang
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Xing Yu
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Chengshe Jiang
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Christopher W Callaway
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Robert A McKnight
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Lisa Joss-Moore
- Division of Neonatology, Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Robert H Lane
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
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GDNF and MAPK-ERK pathway signaling is reduced during nephrogenesis following maternal under-nutrition. J Dev Orig Health Dis 2014; 1:67-74. [PMID: 25142933 DOI: 10.1017/s2040174409990134] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Maternal under-nutrition (MUN) during gestation results in growth-restricted newborns with reduced glomerular number and subsequent hypertension. We investigated dysregulation of glial derived neurotrophic factor (GDNF) and MAPK-ERK (mitogen-activated protein kinase-extracellular signal-regulated protein kinase) signal pathway gene expression following MUN. MUN rats were 50% food restricted from embryonic day 10 till postnatal day 1. Kidneys were harvested at embryonic day (E)20, and postnatal days (P)1 and 21. Kidney protein expression was determined by Western blot. At E20, protein expression of growth factor receptor alpha 1 (GFRα1) and phosphorylated ERK1/2 and mitogen-activated protein kinase kinase (MEK)1/2 were reduced significantly, and immunohistochemistry confirmed reduction of phosphorylated ERK (pERK) with maintenance of pERK localization. Total MEK and ERK were unchanged. At P1, only GFRα1 and pERK1/2 were reduced significantly while at P21, expression of all growth factors except total MEK was unchanged. Total MEK was increased. Glomerular number was decreased by 19% in P21 kidneys and blood pressure was increased in 12-week-old rats. In conclusion, GDNF and MAPK-ERK signaling are dysregulated during active nephrogenesis in fetal and early newborn offspring kidneys in the MUN model. This may be a key mechanism in reduced offspring nephrogenesis and programmed hypertension.
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Abstract
Maternal undernutrition (MUN) results in growth-restricted newborns with reduced nephron numbers that is associated with increased risk of hypertension and renal disease. The total adult complement of nephrons is set during nephrogenesis suggesting that MUN affects the staged development of nephrons in as yet unknown manner. A possible cause may be the increased renal apoptosis; therefore, we investigated whether apoptotic signaling and cell death were increased in MUN rat kidneys. Pregnant rat dams were fed an ad libitum diet [control] or were 50% food restricted (MUN) starting at embryonic day (E) 10. Male offspring kidneys (n = 5 each, MUN and control) were analyzed for mRNA using quantitative PCR (E20) and for protein expression using Western blotting and immunohistochemistry (E20 and postnatal day 1, P1). Apoptosis was measured by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay. Upregulation of pro-apoptotic protein expression was detected at E20 (Fas receptor, caspase 9) and at P1 (caspase 3, Bax). The anti-apoptotic factor Bcl2 was significantly decreased in P1 kidneys. Kidney TUNEL showed apoptotic nuclei significantly increased in the P1 nephrogenic zone (MUN 3.3 + 0.3 v. C 1.6 + 0.5, P = 0.002). The majority of apoptotic nuclei co-localized to mesenchyme and pretubular aggregates in the nephrogenic zone. Differential regulation of apoptosis in mesenchyme and pretubular aggregates following parturition suggests a mechanism for nephropenia in gestational programming of the kidney.
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Nicholas LM, Rattanatray L, Morrison JL, Kleemann DO, Walker SK, Zhang S, MacLaughlin S, McMillen IC. Maternal obesity or weight loss around conception impacts hepatic fatty acid metabolism in the offspring. Obesity (Silver Spring) 2014; 22:1685-93. [PMID: 24719305 DOI: 10.1002/oby.20752] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 03/20/2014] [Indexed: 01/19/2023]
Abstract
OBJECTIVE To determine the impact of maternal obesity or weight loss during the periconceptional period on programming of lipid metabolism in the liver of the offspring. METHODS An embryo transfer model was used to investigate the effects of exposure to either maternal obesity and/or weight loss before and for 1-week post-conception on the abundance of key molecules regulating hepatic fatty acid oxidation and lipid synthesis in the 4-month-old lamb. RESULTS Periconceptional maternal obesity resulted in decreased hepatic PPARα, PGC1α and GCN5 abundance and increased hepatic SIRT1 and AMPKα1, AMPKα2 and SREBP1 abundance in the offspring. Maternal weight loss in obese ewes did not ablate all of these effects of maternal obesity on hepatic metabolism in the lamb. Weight loss in normal weight ewes also resulted in decreased hepatic PGC1α and GCN5 and increased AMPKα2 abundance in the offspring. CONCLUSIONS Exposure of the oocyte/embryo to either maternal obesity or weight loss during the periconceptional period has long term consequences for hepatic lipid metabolism. These findings highlight the sensitivity of the early embryo to maternal nutrition and the need for dietary interventions which maximize metabolic benefits and minimize metabolic costs for the next generation.
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Affiliation(s)
- Lisa M Nicholas
- Sansom Institute for Health Research, School of Pharmacy and Medical Sciences, University of South Australia, South Australia, Australia, 5000
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Su YM, Lv GR, Xie JX, Wang ZH, Lin HT. Maternal hypoxia increases the susceptibility of adult rat male offspring to high-fat diet-induced nonalcoholic fatty liver disease. Endocrinology 2013; 154:4377-87. [PMID: 24002036 DOI: 10.1210/en.2012-1683] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Exposure to an adverse intrauterine environment increases the risk for adult metabolic syndrome. However, the influence of prenatal hypoxia on the risk of fatty liver disease in offspring is unclear. The purpose of the present study was to evaluate the role of reduced fetal oxygen on the development and severity of high-fat (HF) diet-induced nonalcoholic fatty liver disease (NAFLD). Based on design implicating 2 factors, ie, maternal hypoxia (MH) and postnatal HF diet, blood lipid and insulin levels, hepatic histology, and potential molecular targets were evaluated in male Sprague Dawley rat offspring. MH associated with postnatal HF diet caused a significant increase in plasma concentration of triglycerides, free fatty acids, low-density lipoprotein cholesterol, and insulin. Histologically, a more severe form of NAFLD with hepatic inflammation, hepatic resident macrophage infiltration, and progression toward nonalcoholic steatohepatitis was observed. The lipid homeostasis changes and insulin resistance caused by MH plus HF were accompanied by a significant down-regulation of insulin receptor substrate 2 (IRS-2), phosphoinositide-3 kinase p110 catalytic subunit, and protein kinase B. In MH rats, insulin-stimulated IRS-2 and protein kinase B (AKT) phosphorylation were significantly blunted as well as insulin suppression of phosphoenolpyruvate carboxykinase and glucose-6-phosphatase. Meanwhile, a significant up-regulation of lipogenic pathways was noticed, including sterol-regulatory element-binding protein-1 and fatty acid synthase in liver. Our results indicate that maternal hypoxia enhances dysmetabolic liver injury in response to an HF diet. Therefore, the offspring born in the context of maternal hypoxia may require special attention and follow-up to prevent the early development of NAFLD.
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Affiliation(s)
- Yi-Ming Su
- Department of Ultrasound, The Second Affiliated Hospital of Fujian Medical University, Zhongshan North Road 34, Quanzhou, Fujian, 362000, Peoples Republic of China.
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Duque-Guimarães DE, Ozanne SE. Nutritional programming of insulin resistance: causes and consequences. Trends Endocrinol Metab 2013; 24:525-35. [PMID: 23791137 DOI: 10.1016/j.tem.2013.05.006] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 05/14/2013] [Accepted: 05/21/2013] [Indexed: 02/06/2023]
Abstract
Strong evidence indicates that adverse prenatal and early postnatal environments have a significant long-term influence on risk factors that result in insulin resistance, type 2 diabetes (T2D), and cardiovascular disease later in life. Here we discuss current knowledge of how maternal and neonatal nutrition influence early growth and the long-term risk of developing insulin resistance in different organs and at the whole-body level. Accumulating evidence supports a role for epigenetic mechanisms underlying this nutritional programming, consisting of heritable changes that regulate gene expression which in turn shapes the phenotype across generations. Deciphering these molecular mechanisms in key tissues and discovering key biological markers may provide valuable insight towards the development of effective intervention strategies.
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Affiliation(s)
- Daniella E Duque-Guimarães
- University of Cambridge Metabolic Research Laboratories and Medical Research Council (MRC) Metabolic Disease Unit, Institute of Metabolic Sciences, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK
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Guo C, Li C, Myatt L, Nathanielsz PW, Sun K. Sexually dimorphic effects of maternal nutrient reduction on expression of genes regulating cortisol metabolism in fetal baboon adipose and liver tissues. Diabetes 2013; 62:1175-85. [PMID: 23238295 PMCID: PMC3609578 DOI: 10.2337/db12-0561] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Maternal nutrient reduction (MNR) during fetal development may predispose offspring to chronic disease later in life. Increased regeneration of active glucocorticoids by 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) in metabolic tissues is fundamental to the developmental programming of metabolic syndrome, but underlying mechanisms are unknown. Hexose-6-phosphate dehydrogenase (H6PD) generates NADPH, the cofactor for 11β-HSD1 reductase activity. CCAAT/enhancer binding proteins (C/EBPs) and the glucocorticoid receptor (GR) regulate 11β-HSD1 expression. We hypothesize that MNR increases expression of fetal C/EBPs, GR, and H6PD, thereby increasing expression of 11β-HSD1 and reductase activity in fetal liver and adipose tissues. Pregnant MNR baboons ate 70% of what controls ate from 0.16 to 0.9 gestation (term, 184 days). Cortisol levels in maternal and fetal circulations increased in MNR pregnancies at 0.9 gestation. MNR increased expression of 11β-HSD1; H6PD; C/EBPα, -β, -γ; and GR in female but not male perirenal adipose tissue and in male but not female liver at 0.9 gestation. Local cortisol level and its targets PEPCK1 and PPARγ increased correspondingly in adipose and liver tissues. C/EBPα and GR were found to be bound to the 11β-HSD1 promoter. In conclusion, sex- and tissue-specific increases of 11β-HSD1, H6PD, GR, and C/EBPs may contribute to sexual dimorphism in the programming of exaggerated cortisol regeneration in liver and adipose tissues and offsprings' susceptibility to metabolic syndrome.
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Affiliation(s)
- Chunming Guo
- Center for Pregnancy and Newborn Research, Department of Obstetrics and Gynecology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Cun Li
- Center for Pregnancy and Newborn Research, Department of Obstetrics and Gynecology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Leslie Myatt
- Center for Pregnancy and Newborn Research, Department of Obstetrics and Gynecology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Peter W. Nathanielsz
- Center for Pregnancy and Newborn Research, Department of Obstetrics and Gynecology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Kang Sun
- Center for Pregnancy and Newborn Research, Department of Obstetrics and Gynecology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
- School of Life Sciences, Fudan University, Shanghai, P.R. China
- Corresponding author: Kang Sun,
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Garg M, Thamotharan M, Dai Y, Lagishetty V, Matveyenko AV, Lee WNP, Devaskar SU. Glucose intolerance and lipid metabolic adaptations in response to intrauterine and postnatal calorie restriction in male adult rats. Endocrinology 2013; 154. [PMID: 23183174 PMCID: PMC3529385 DOI: 10.1210/en.2012-1640] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Enhanced de novo lipogenesis (DNL), an adult hepatic adaption, is seen with high carbohydrate or low-fat diets. We hypothesized that ad libitum intake after prenatal calorie restriction will result in adult-onset glucose intolerance and enhanced DNL with modified lipid metabolic gene expression profile. Stable isotopes were used in 15-month-old adult male rat offspring exposed to prenatal (IUGR), pre- and postnatal (IPGR), or postnatal (PNGR) caloric restriction vs. controls (CON). IUGR vs. CON were heavier with hepatomegaly but unchanged visceral white adipose tissue (WAT), glucose intolerant with reduced glucose-stimulated insulin secretion (GSIS), pancreatic β-cell mass, and total glucose clearance rate but unsuppressed hepatic glucose production. Liver glucose transporter (Glut) 1 and DNL increased with decreased hepatic acetyl-CoA carboxylase (ACC) and fatty acid synthase but increased WAT fatty acid transport protein-1 and peroxisomal proliferator-activated receptor-γ, resistin, and visfatin gene expression. In contrast, PNGR and IPGR were lighter, had reduced visceral WAT, and were glucose tolerant with unchanged hepatic glucose production but with increased GSIS, β-cell mass, glucose clearance rate, and WAT insulin receptor. Hepatic Glut1 and DNL were also increased in lean IPGR and PNGR with increased hepatic ACC, phosphorylated ACC, and pAMPK and reduced WAT fatty acid transport protein-1, peroxisomal proliferator-activated receptor-γ, and ACCα. We conclude the following: 1) the heavy, glucose-intolerant and insulin-resistant IUGR adult phenotype is ameliorated by postnatal caloric restriction; 2) increased DNL paralleling hepatic Glut1 is a biomarker of exposure to early caloric restriction rather than the adult metabolic status; 3) hepatic lipid enzyme expression reflects GSIS rather than DNL; and 4) WAT gene expression reflects an obesogenic vs. lean phenotype.
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Affiliation(s)
- Meena Garg
- Department of Pediatrics, Division of Neonatology and Developmental Biology, Neonatal Research Center, University of California- Los Angeles, Los Angeles, CA 90095-1752, USA.
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Bagley HN, Wang Y, Campbell MS, Yu X, Lane RH, Joss-Moore LA. Maternal docosahexaenoic acid increases adiponectin and normalizes IUGR-induced changes in rat adipose deposition. J Obes 2013; 2013:312153. [PMID: 23533720 PMCID: PMC3606778 DOI: 10.1155/2013/312153] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Accepted: 02/01/2013] [Indexed: 12/17/2022] Open
Abstract
Intrauterine growth restriction (IUGR) predisposes to obesity and adipose dysfunction. We previously demonstrated IUGR-induced increased visceral adipose deposition and dysregulated expression of peroxisome proliferator activated receptor- γ 2 (PPAR γ 2) in male adolescent rats, prior to the onset of obesity. In other studies, activation of PPAR γ increases subcutaneous adiponectin expression and normalizes visceral adipose deposition. We hypothesized that maternal supplementation with docosahexaenoic acid (DHA), a PPAR γ agonist, would normalize IUGR adipose deposition in association with increased PPAR γ , adiponectin, and adiponectin receptor expression in subcutaneous adipose. To test these hypotheses, we used a well-characterized model of uteroplacental-insufficiency-(UPI-) induced IUGR in the rat with maternal DHA supplementation. Our primary findings were that maternal DHA supplementation during rat pregnancy and lactation (1) normalizes IUGR-induced changes in adipose deposition and visceral PPAR γ expression in male rats and (2) increases serum adiponectin, as well as adipose expression of adiponectin and adiponectin receptors in former IUGR rats. Our novel findings suggest that maternal DHA supplementation may normalize adipose dysfunction and promote adiponectin-induced improvements in metabolic function in IUGR.
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Affiliation(s)
- Heidi N. Bagley
- Division of Nutrition, University of Utah, Salt Lake City, UT 84158, USA
| | - Yan Wang
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84158, USA
| | | | - Xing Yu
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84158, USA
| | - Robert H. Lane
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84158, USA
| | - Lisa A. Joss-Moore
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84158, USA
- Division of Neonatology, University of Utah, P.O. Box 581289, Salt Lake City, UT 84158, USA
- *Lisa A. Joss-Moore:
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Dai Y, Thamotharan S, Garg M, Shin BC, Devaskar SU. Superimposition of postnatal calorie restriction protects the aging male intrauterine growth- restricted offspring from metabolic maladaptations. Endocrinology 2012; 153:4216-26. [PMID: 22807491 PMCID: PMC3423608 DOI: 10.1210/en.2012-1206] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Intrauterine growth restriction (IUGR) results in dysregulated glucose homeostasis and adiposity in the adult. We hypothesized that with aging, these perturbations will wane, and superimposition of postnatal growth restriction (PNGR) on IUGR [intrauterine and postnatal growth restriction (IPGR)] will reverse the residual IUGR phenotype. We therefore undertook hyperinsulinemic-euglycemic clamp, energy balance, and physical activity studies during fed, fasted, and refed states, in light and dark cycles, on postweaned chow diet-fed more than 17-month aging male IUGR, PNGR, and IPGR vs. control (CON) rat offspring. Hyperinsulinemic-euglycemic clamp revealed similar whole-body insulin sensitivity and physical activity in the nonobese IUGR vs. CON, despite reduced heat production and energy expenditure. Compared with CON and IUGR, IPGR mimicking PNGR was lean and growth restricted with increased physical activity, O(2) consumption (VO(2)), energy intake, and expenditure. Although insulin sensitivity was no different in IPGR and PNGR, skeletal muscle insulin-induced glucose uptake was enhanced. This presentation proved protective against the chronologically earlier (5.5 months) development of obesity and dysregulated energy homeostasis after 19 wk on a postweaned high-fat diet. This protective role of PNGR on the metabolic IUGR phenotype needs future fine tuning aimed at minimizing unintended consequences.
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Affiliation(s)
- Yun Dai
- Division of Neonatology and Developmental Biology, Neonatal Research Center, Department of Pediatrics, David Geffen School of Medicine University of California, Los Angeles, California 90095-1752, USA
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Abbasi A, Thamotharan M, Shin BC, Jordan MC, Roos KP, Stahl A, Devaskar SU. Myocardial macronutrient transporter adaptations in the adult pregestational female intrauterine and postnatal growth-restricted offspring. Am J Physiol Endocrinol Metab 2012; 302:E1352-62. [PMID: 22338075 PMCID: PMC3378069 DOI: 10.1152/ajpendo.00539.2011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Associations between exponential childhood growth superimposed on low birth weight and adult onset cardiovascular disease with glucose intolerance/type 2 diabetes mellitus exist in epidemiological investigations. To determine the metabolic adaptations that guard against myocardial failure on subsequent exposure to hypoxia, we compared with controls (CON), the effect of intrauterine (IUGR), postnatal (PNGR), and intrauterine and postnatal (IPGR) calorie and growth restriction (n = 6/group) on myocardial macronutrient transporter (fatty acid and glucose) -mediated uptake in pregestational young female adult rat offspring. A higher myocardial FAT/CD36 protein expression in IUGR, PNGR, and IPGR, with higher FATP1 in IUGR, FATP6 in PNGR, FABP-c in PNGR and IPGR, and no change in GLUT4 of all groups was observed. These adaptive macronutrient transporter protein changes were associated with no change in myocardial [(3)H]bromopalmitate accumulation but a diminution in 2-deoxy-[(14)C]glucose uptake. Examination of the sarcolemmal subfraction revealed higher basal concentrations of FAT/CD36 in PNGR and FATP1 and GLUT4 in IUGR, PNGR, and IPGR vs. CON. Exogenous insulin uniformly further enhanced sarcolemmal association of these macronutrient transporter proteins above that of basal, with the exception of insulin resistance of FATP1 and GLUT4 in IUGR and FAT/CD36 in PNGR. The basal sarcolemmal macronutrient transporter adaptations proved protective against subsequent chronic hypoxic exposure (7 days) only in IUGR and PNGR, with notable deterioration in IPGR and CON of the echocardiographic ejection fraction. We conclude that the IUGR and PNGR pregestational adult female offspring displayed a resistance to insulin-induced translocation of FATP1, GLUT4, or FAT/CD36 to the myocardial sarcolemma due to preexistent higher basal concentrations. This basal adaptation of myocardial macronutrient transporters ensured adequate fatty acid uptake, thereby proving protective against chronic hypoxia-induced myocardial compromise.
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Affiliation(s)
- Afshan Abbasi
- Department of Pediatrics, Division of Neonatology and Developmental Biology, Neonatal Research Center, David Geffen School of Medicine, University of California at Los Angeles, 10833 Le Conte Ave., Los Angeles, CA 90095, USA
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Çelik G, Töz H, Ertilav M, Aşgar N, Özkahya M, Başci A, Hoşcoşkun C. Biochemical Parameters, Renal Function, and Outcome of Pregnancy in Kidney Transplant Recipient. Transplant Proc 2011; 43:2579-83. [DOI: 10.1016/j.transproceed.2011.06.041] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2011] [Revised: 05/06/2011] [Accepted: 06/13/2011] [Indexed: 11/29/2022]
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Varcoe TJ, Wight N, Voultsios A, Salkeld MD, Kennaway DJ. Chronic phase shifts of the photoperiod throughout pregnancy programs glucose intolerance and insulin resistance in the rat. PLoS One 2011; 6:e18504. [PMID: 21494686 PMCID: PMC3071829 DOI: 10.1371/journal.pone.0018504] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Accepted: 03/02/2011] [Indexed: 11/18/2022] Open
Abstract
Shift work during pregnancy is associated with an increased risk for preterm birth and low birth weight. However, the impact upon the long term health of the children is currently unknown. In this study, we used an animal model to determine the consequences of maternal shift work exposure on the health of the adult offspring. Pregnant rats were exposed to chronic phase shifts (CPS) in their photoperiod every 3-4 days throughout gestation and the first week after birth. Adult offspring were assessed for a range of metabolic, endocrine, circadian and neurobehavioural parameters. At 3 months of age, male pups exposed to the CPS schedule in utero had increased adiposity (+29%) and hyperleptinaemia (+99% at 0700h). By 12 months of age, both male and female rats displayed hyperleptinaemia (+26% and +41% respectively) and hyperinsulinaemia (+110% and +83% respectively). 12 month old female CPS rats displayed poor glucose tolerance (+18%) and increased insulin secretion (+29%) in response to an intraperitoneal glucose tolerance test. In CPS males the glucose response was unaltered, but the insulin response was reduced by 35%. The glucose response to an insulin tolerance test was decreased by 21% in CPS females but unaltered in males. Disruption of circadian rhythmicity during gestation resulted in gender dependent metabolic consequences for the adult offspring. These results highlight the need for a thorough analysis of shift work exposure in utero on the health of the adult offspring in humans.
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Affiliation(s)
- Tamara J Varcoe
- Research Centre for Reproductive Health, Robinson Institute, University of Adelaide, Adelaide, South Australia, Australia.
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Marino M, Masella R, Bulzomi P, Campesi I, Malorni W, Franconi F. Nutrition and human health from a sex-gender perspective. Mol Aspects Med 2011; 32:1-70. [PMID: 21356234 DOI: 10.1016/j.mam.2011.02.001] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2010] [Revised: 01/25/2011] [Accepted: 02/18/2011] [Indexed: 02/07/2023]
Abstract
Nutrition exerts a life-long impact on human health, and the interaction between nutrition and health has been known for centuries. The recent literature has suggested that nutrition could differently influence the health of male and female individuals. Until the last decade of the 20th century, research on women has been neglected, and the results obtained in men have been directly translated to women in both the medicine and nutrition fields. Consequently, most modern guidelines are based on studies predominantly conducted on men. However, there are many sex-gender differences that are the result of multifactorial inputs, including gene repertoires, sex steroid hormones, and environmental factors (e.g., food components). The effects of these different inputs in male and female physiology will be different in different periods of ontogenetic development as well as during pregnancy and the ovarian cycle in females, which are also age dependent. As a result, different strategies have evolved to maintain male and female body homeostasis, which, in turn, implies that there are important differences in the bioavailability, metabolism, distribution, and elimination of foods and beverages in males and females. This article will review some of these differences underlying the impact of food components on the risk of developing diseases from a sex-gender perspective.
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Affiliation(s)
- Maria Marino
- Department of Biology, University Roma Tre, Viale Guglielmo Marconi 446, I-00146 Roma, Italy
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Magee TR, Tafti SA, Desai M, Liu Q, Ross MG, Nast CC. Maternal undernourished fetal kidneys exhibit differential regulation of nephrogenic genes including downregulation of the Notch signaling pathway. Reprod Sci 2011; 18:563-76. [PMID: 21273641 DOI: 10.1177/1933719110393025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Maternal undernutrition results in offspring nephron number reduction and hypertension that are hypothesized to begin as compensatory changes in fetal gene expression during gestation. To evaluate mechanisms of dysregulated nephrogenesis, pregnant Sprague Dawley rats were 50% food restricted from embryonic day (E) 10 to E20. At E20, fetal male kidneys were examined by microarray analysis. A total of 476 differentially expressed transcripts were detected including those regulating development and differentiation, mitosis and cell cycle, chromatin assembly, and steroid hormone regulation. Differentially regulated genes were detected in MAPK/ERK, Wnt, and Notch signaling pathways. Validation of the microarray results was performed for the Notch signaling pathway, an important pathway in nephron formation. Protein expression of Notch pathway factors by Western blotting showed significantly decreased Notch2 and downstream effector Hey1 protein expression, while Ctbp1 co-repressor was increased. These data together show that maternal undernutrition results in developmental disruption in fetal nephrogenesis gene expression signaling.
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Affiliation(s)
- Thomas R Magee
- Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
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IUGR decreases PPARγ and SETD8 Expression in neonatal rat lung and these effects are ameliorated by maternal DHA supplementation. Early Hum Dev 2010; 86:785-91. [PMID: 20869820 PMCID: PMC3138525 DOI: 10.1016/j.earlhumdev.2010.08.026] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2010] [Revised: 08/22/2010] [Accepted: 08/31/2010] [Indexed: 12/28/2022]
Abstract
Intrauterine growth restriction (IUGR) is associated with altered lung development in human and rat. The transcription factor PPARγ, is thought to contribute to lung development. PPARγ is activated by docosahexanoic acid (DHA). One contribution of PPARγ to lung development may be its direct regulation of chromatin modifying enzymes, such as Setd8. In this study, we hypothesized that IUGR would result in a gender-specific reduction in PPARγ, Setd8 and associated H4K20Me levels in the neonatal rat lung. Because DHA activates PPARγ, we also hypothesized that maternal DHA supplementation would normalize PPARγ, Setd8, and H4K20Me levels in the IUGR rat lung. We found that IUGR decreased PPARγ levels, with an associated decrease in Setd8 levels in both male and female rat lungs. Levels of the Setd8-dependent histone modification, H4K20Me, were reduced on the PPARγ gene in both males and females while whole lung H4K20Me was only reduced in male lung. Maternal DHA supplementation ameliorated these effects in offspring. We conclude that IUGR decreases lung PPARγ, Setd8 and PPARγ H4K20Me independent of gender, while decreasing whole lung H4K20Me in males only. These outcomes are offset by maternal DHA. We speculate that maintenance of the epigenetic milieu may be one role of PPARγ in the lung and suggests a novel benefit of maternal DHA supplementation in IUGR.
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Moretto VL, Ballen MO, Gonçalves TSS, Kawashita NH, Stoppiglia LF, Veloso RV, Latorraca MQ, Martins MSF, Gomes-da-Silva MHG. Low-Protein Diet during Lactation and Maternal Metabolism in Rats. ISRN OBSTETRICS AND GYNECOLOGY 2010; 2011:876502. [PMID: 21637364 PMCID: PMC3101884 DOI: 10.5402/2011/876502] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2010] [Accepted: 10/12/2010] [Indexed: 11/23/2022]
Abstract
Some metabolic alterations were evaluated in Wistar rats which received control or low-protein (17%; 6%) diets, from the pregnancy until the end of lactation: control non-lactating (CNL), lactating (CL), low-protein non-lactating (LPNL) and lactating (LPL) groups. Despite the increased food intake by LPL dams, both LP groups reduced protein intake and final body mass was lower in LPL. Higher serum glucose occurred in both LP groups. Lactation induced lower insulin and glucagon levels, but these were reduced by LP diet. Prolactin levels rose in lactating, but were impaired in LPL, followed by losses of mammary gland (MAG) mass and, a fall in serum leptin in lactating dams. Lipid content also reduced in MAG and gonadal white adipose tissue of lactating and, in LPL, contributed to a decreased daily milk production, and consequent impairment of body mass gain by LPL pups. Liver mass, lipid content and ATP-citrate enzyme activity were increased by lactation, but malic enzyme and lipid: glycogen ratio elevated only in LPL. Conclusion. LP diet reduced the development of MAG and prolactin secretion which compromised milk production and pups growth. Moreover, this diet enhanced the store of lipid to glycogen ratio and suggests a higher risk of fatty liver development.
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Affiliation(s)
- Vera L. Moretto
- Curso de Pós Graduação em Ciências da Saúde, Faculdade de Ciências Médicas, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Marcia O. Ballen
- Curso de Pós Graduação em Ciências da Saúde, Faculdade de Ciências Médicas, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, MT, Brazil
| | - Talita S. S. Gonçalves
- Programa de Iniciação Científica, Fundação de Apoio à Pesquisa do Estado de Mato Grosso (FAPEMAT), 78050-970 Cuiabá, MT, Brazil
| | | | - Luiz F. Stoppiglia
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição (FANUT), Universidade Federal de Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367. Bairro Boa Esperança, 78060-900 Cuiabá, MT, Brazil
| | - Roberto V. Veloso
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição (FANUT), Universidade Federal de Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367. Bairro Boa Esperança, 78060-900 Cuiabá, MT, Brazil
| | - Márcia Q. Latorraca
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição (FANUT), Universidade Federal de Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367. Bairro Boa Esperança, 78060-900 Cuiabá, MT, Brazil
| | - Maria Salete F. Martins
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição (FANUT), Universidade Federal de Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367. Bairro Boa Esperança, 78060-900 Cuiabá, MT, Brazil
| | - Maria Helena G. Gomes-da-Silva
- Departamento de Alimentos e Nutrição, Faculdade de Nutrição (FANUT), Universidade Federal de Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367. Bairro Boa Esperança, 78060-900 Cuiabá, MT, Brazil
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Joss-Moore LA, Wang Y, Campbell MS, Moore B, Yu X, Callaway CW, McKnight RA, Desai M, Moyer-Mileur LJ, Lane RH. Uteroplacental insufficiency increases visceral adiposity and visceral adipose PPARgamma2 expression in male rat offspring prior to the onset of obesity. Early Hum Dev 2010; 86:179-85. [PMID: 20227202 PMCID: PMC2857740 DOI: 10.1016/j.earlhumdev.2010.02.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2009] [Revised: 02/16/2010] [Accepted: 02/17/2010] [Indexed: 12/15/2022]
Abstract
Uteroplacental insufficiency (UPI) induced intrauterine growth restriction (IUGR) predisposes individuals to adult onset metabolic morbidities, including insulin resistance and cardiovascular disease. An underlying component of the development of these morbidities is adipose dysfunction; specifically a disproportionately abundant visceral adipose tissue. We hypothesize that IUGR will increase rats visceral adiposity and visceral expression of PPARgamma, a key regulator of adipogenesis. To test this hypothesis we employed a well described UPI induced IUGR rat model. Subcutaneous and visceral adipose levels were measured in adolescent control and IUGR rats using MRI. Expression of PPARgamma mRNA and protein, as well as PPARgamma target genes, was measured in neonatal, adolescent and adult rats. UPI induced IUGR increases the relative amount of visceral adipose tissue in male, but not female, adolescent rats in conjunction with an increase in PPARgamma2mRNA and protein in male visceral adipose. Importantly, these effects are seen prior to the onset of overt obesity. We conclude that increased PPARgamma2 expression in VAT of IUGR males is associated with increased visceral adiposity. We speculate that the increase in visceral adiposity may contribute to the metabolic morbidities experienced by this population.
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Affiliation(s)
- Lisa A Joss-Moore
- Division of Neonatology, University of Utah, 295 Chepeta Way, Salt Lake City, UT 84108, USA.
| | - Yan Wang
- Division of Neonatology, University of Utah, Salt Lake City, Utah
| | | | - Barry Moore
- Department of Human Genetics, University of Utah, Salt Lake City, Utah
| | - Xing Yu
- Division of Neonatology, University of Utah, Salt Lake City, Utah
| | | | | | - Mina Desai
- Department of Obstetrics & Gynecology, David Geffen School of Medicine at UCLA and LABioMed at Harbor-UCLA
| | | | - Robert H Lane
- Division of Neonatology, University of Utah, Salt Lake City, Utah
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Ojeda NB, Grigore D, Alexander BT. Role of fetal programming in the development of hypertension. Future Cardiol 2009; 4:163-74. [PMID: 19672482 DOI: 10.2217/14796678.4.2.163] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Epidemiological studies have suggested that size at birth contributes to increased cardiovascular disease (CVD) risk in later life. Findings from experimental studies are providing insight into the mechanisms linking impaired fetal growth and the increased risk of CVD and hypertension in adulthood. This article summarizes potential mechanisms involved in the fetal programming of hypertension and CVD, including alterations in the organs and regulatory systems critical to long-term control of sodium and volume homeostasis.
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Affiliation(s)
- Norma B Ojeda
- University of Mississippi Medical Center, Department of Physiology & Biophysics, The Center for Excellence in Cardiovascular-Renal Research, 2500 North State Street, Jackson, MS 39216-4505, USA.
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Restrepo MC, Horta BL, Gigante DP. Perfil lipídico na adolescência: efeito de exposições intra-uterinas. CAD SAUDE PUBLICA 2009; 25:2345-53. [DOI: 10.1590/s0102-311x2009001100005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2008] [Accepted: 07/27/2009] [Indexed: 11/22/2022] Open
Abstract
Avaliou-se o efeito do retardo de crescimento intra-uterino e de fatores de risco para o retardo de crescimento intra-uterino sobre o perfil lipídico em adolescentes pertencentes ao estudo de coorte de nascimentos de 1982 de Pelotas, Rio Grande do Sul, Brasil. Em 2000, os participantes do sexo masculino foram identificados no alistamento militar; 79% (n = 2.250) foram entrevistados e 2.089 doaram amostra de sangue. No presente estudo, as variáveis dependentes foram o colesterol total e suas frações (VLDL, LDL, HDL), colesterol não-HDL, razão LDL/HDL e triglicerídeos. As exposições estudadas foram o retardo de crescimento intra-uterino, o índice de massa corporal (IMC) materno pré-gestacional e o tabagismo materno durante a gravidez. Após ajuste para fatores de confusão, o colesterol total, LDL e não-HDL foram maiores entre os adolescentes cujo IMC materno pré-gestacional estava no terceiro e quarto quartil. No entanto, tais associações desapareceram após controle para dieta, escolaridade e IMC do adolescente. O retardo de crescimento intra-uterino e o tabagismo materno na gravidez não foram associados com o perfil lipídico aos 18 anos de idade.
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Angiotensin II Receptor Blocker Candesartan Cilexetil, but Not Hydralazine Hydrochloride, Protects Against Mouse Cardiac Enlargement Resulting From Undernutrition In Utero. Reprod Sci 2009; 16:1005-12. [DOI: 10.1177/1933719109345610] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
PURPOSE OF REVIEW Intrauterine growth restriction (IUGR) is associated with an increased propensity to develop adult-onset disease and is described by the developmental origins of adult disease hypothesis. Sequelae of fetal growth restriction include metabolic disease as well as nonmetabolic disorders. Although it has become clear that the morbidities associated with IUGR are complex and result from disruptions to multiple pathways and multiple organs, the mechanisms driving the long-term effects are only just beginning to be understood. RECENT FINDINGS IUGR affects most organ systems by either interrupting developmental processes such as apoptosis or producing lasting changes to levels of key regulatory factors. Both of these are associated with an often persistent change in gene expression. Epigenetic modulation of transcription is a mechanism that is at least partially responsible for this. IUGR is accompanied by changes in the quantity and activity of enzymes responsible for making modifications to chromatin as well as global and gene-specific modifications of chromatin. SUMMARY The subtle adjustments needed to ensure developmental plasticity in IUGR are provided by epigenetic modulation of critical genes. Translating the messages of the epigenetic profile and identifying the players that mediate the effects remains one of the major challenges in the field. An understanding of the mechanisms driving the epigenetic changes will facilitate identification of dietary and pharmaceutical approaches that can be applied in the postnatal period.
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Schober ME, McKnight RA, Yu X, Callaway CW, Ke X, Lane RH. Intrauterine growth restriction due to uteroplacental insufficiency decreased white matter and altered NMDAR subunit composition in juvenile rat hippocampi. Am J Physiol Regul Integr Comp Physiol 2009; 296:R681-92. [DOI: 10.1152/ajpregu.90396.2008] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Uteroplacental insufficiency (UPI), the major cause of intrauterine growth restriction (IUGR) in developed nations, predisposes to learning impairment. The underlying mechanism is unknown. Neuronal N-methyl-d-aspartate receptors (NMDARs) are critical for synaptogenesis and learning throughout life. We hypothesized that UPI-induced IUGR alters rat hippocampal NMDAR NR2A/NR2B subunit ratio and/or NR1 mRNA isoform expression and synaptic density at day 21 (P21). To test this hypothesis, IUGR was induced by bilateral uterine artery ligation of the late-gestation Sprague-Dawley dam. At P21, hippocampal NMDAR subunit mRNA and protein were measured, as were levels of synaptophysin. Neuronal, synaptic, and glial density in CA1, CA3, and dentate gyrus (DG) was assessed by immunofluorescence. IUGR increased NR1 mRNA isoform NR1-3a and 1-3b expression in both sexes. In P21 males, IUGR increased protein levels of NR1 C2′ and decreased NR1 C2, NR2A, and the NR2A-to-NR2B ratio, whereas in females, IUGR increased NR2B protein. In males, IUGR was associated with decreased myelin basic protein-to-neuronal nuclei ratio in CA1, CA3, and DG. We conclude that IUGR has sex-specific effects and that neither neuronal loss nor decreased synaptic density appears to account for the changes in NMDAR subunits. Rather, it is possible that synaptic NMDAR subunit composition is altered. Our results suggest that apparent recovery in the IUGR hippocampus may be associated with synaptic hyperexcitability. We speculate that the NMDAR plays an important role in IUGR-associated cognitive impairment.
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Alexander BT. Developmental programming of sex-dependent alterations in lipid metabolism: a role for long-term, sex-specific alterations in LDL-receptor expression. Focus on "developmental programming of lipid metabolism and aortic vascular function in C57BL/6 mice: a novel study suggesting an involvement of LDL-receptor". Am J Physiol Regul Integr Comp Physiol 2009; 296:R1027-8. [PMID: 19225148 DOI: 10.1152/ajpregu.00104.2009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Rueda-Clausen CF, Morton JS, Davidge ST. Effects of hypoxia-induced intrauterine growth restriction on cardiopulmonary structure and function during adulthood. Cardiovasc Res 2008; 81:713-22. [DOI: 10.1093/cvr/cvn341] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Down-regulation of transcription factor peroxisome proliferator-activated receptor in programmed hepatic lipid dysregulation and inflammation in intrauterine growth-restricted offspring. Am J Obstet Gynecol 2008; 199:271.e1-5. [PMID: 18667178 DOI: 10.1016/j.ajog.2008.05.022] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2008] [Revised: 03/25/2008] [Accepted: 05/27/2008] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Intrauterine growth-restricted (IUGR) newborns have increased risk of obesity-induced fatty liver and inflammation. We hypothesized that IUGR-induced inhibition of hepatic peroxisome proliferator-activated receptors (PPARs) is associated with an increased inflammatory response. STUDY DESIGN Rat control dams received ad libitum food, whereas study dams were 50% food restricted from pregnancy day 10 to 21 (IUGR). Pups were nursed by control dams and weaned to ad libitum feed. Hepatic protein expression of transcription factors, lipid enzymes, triglyceride content, and C-reactive protein (CRP) levels were analyzed in 1 day and 9 month old male offspring. RESULTS At 1 day of age, IUGR pups showed down-regulation of PPARalpha and PPARgamma and up-regulation of hepatic lipase and CRP. At 9 months of age, IUGR exhibited continued down-regulation of PPARalpha and PPARgamma with up-regulation of sterol regulatory element-binding protein-1 and fatty acid synthase. Furthermore, IUGR adults had increased hepatic triglyceride content and plasma CRP levels. CONCLUSIONS The results suggest that developmental hepatic dysregulation may contribute to programmed obesity-induced inflammation in IUGR offspring.
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Abdel-Hakeem AK, Henry TQ, Magee TR, Desai M, Ross MG, Mansano RZ, Torday JS, Nast CC. Mechanisms of impaired nephrogenesis with fetal growth restriction: altered renal transcription and growth factor expression. Am J Obstet Gynecol 2008; 199:252.e1-7. [PMID: 18639218 PMCID: PMC2932650 DOI: 10.1016/j.ajog.2008.05.018] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2008] [Revised: 03/01/2008] [Accepted: 05/24/2008] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Maternal food restriction during pregnancy results in growth-restricted newborns and reduced glomerular number, contributing to programmed offspring hypertension. We investigated whether reduced nephrogenesis may be programmed by dysregulation of factors controlling ureteric bud branching and mesenchyme to epithelial transformation. STUDY DESIGN At 10 to 20 days' gestation, Sprague Dawley pregnant rats (n = 6/group) received ad libitum food; food-restricted rats were 50% food restricted. At embryonic day 20, messenger ribonucleic acid (mRNA) and protein expression of Wilms' tumor 1 gene product (WT1), paired box transcription factor (Pax)-2, fibroblast growth factor (FGF)-2, glial cell line-derived neurotrophic factor (GDNF), cRET, wingless-type mouse mammary tumor virus integration site (WNT)4, WNT11, bone morphogenetic protein (BMP)-4, BMP7, and FGF7 were determined by real-time polymerase chain reaction and Western blotting. RESULTS Maternal food restriction resulted in up-regulated mRNA expression for WT1, FGF2, and BMP7, whereas Pax2, GDNF, FGF7, BMP4, WNT4, and WNT11 mRNAs were down-regulated. Protein expression was concordant for WT1, GDNF, Pax2, FGF7, BMP4, and WNT4. CONCLUSION Maternal food restriction altered gene expression of fetal renal transcription and growth factors and likely contributes to development of offspring hypertension.
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Affiliation(s)
- Ahmed K Abdel-Hakeem
- Department of Obstetrics and Gynecology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA
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Abstract
PURPOSE OF REVIEW Human epidemiological and animal studies show that many chronic adult conditions have their antecedents in compromised fetal and early postnatal development. Developmental programming is defined as the response by the developing mammalian organism to a specific challenge during a critical time window that alters the trajectory of development with resulting persistent effects on phenotype. Mammals pass more biological milestones before birth than any other time in their lives. Each individual's phenotype is influenced by the developmental environment as much as their genes. A better understanding is required of gene-environment interactions leading to adult disease. RECENT FINDINGS During development, there are critical periods of vulnerability to suboptimal conditions when programming may permanently modify disease susceptibility. Programming involves structural changes in important organs; altered cell number, imbalance in distribution of different cell types within the organ, and altered blood supply or receptor numbers. Compensatory efforts by the fetus may carry a price. Effects of programming may pass across generations by mechanisms that do not necessarily involve structural gene changes. Programming often has different effects in males and females. SUMMARY Developmental programming shows that epigenetic factors play major roles in development of phenotype and predisposition to disease in later life.
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Desai M, Babu J, Ross MG. Programmed metabolic syndrome: prenatal undernutrition and postweaning overnutrition. Am J Physiol Regul Integr Comp Physiol 2007; 293:R2306-14. [PMID: 17898113 DOI: 10.1152/ajpregu.00783.2006] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Maternal nutrient restriction results in intrauterine growth restriction (IUGR) newborns that develop obesity despite normal postweaning diet. The epidemic of metabolic syndrome is attributed to programmed "thrifty phenotype" and exposure to Western diets. We hypothesized that programmed IUGR newborns would demonstrate greater susceptibility to obesity and metabolic abnormalities in response to high-fat diet. From day 10 to term gestation and lactation, control pregnant rats received ad libitum (AdLib) food, whereas study rats were 50% food restricted (FR). Cross-fostering techniques resulted in three offspring groups: control (AdLib/AdLib), FR during pregnancy (FR/AdLib), and FR during lactation (AdLib/FR). At 3 weeks, offspring were weaned to laboratory chow or high-fat calorie diet (9% vs. 17% calorie as fat). Body composition, appetite hormones, and glucose and lipid profiles were determined in 9-mo-old male and female offspring. High-fat diet had no effect on body weight of AdLib/AdLib, but significantly increased weights of FR/AdLib and AdLib/FR offspring. High-fat diet significantly increased body fat, reduced lean body mass, and accentuated plasma leptin but not ghrelin levels in both sexes in all groups. In males, high-fat diet caused a significant increase in glucose levels in all three groups with increased insulin levels in AdLib/AdLib and AdLib/FR, but not in FR/AdLib. In females, high-fat diet had no effect on glucose but significantly increased basal insulin among all three groups. High-fat diet caused hypertriglyceridemia in all three groups although only food-restricted females exhibited hypercholesterolemia. Sex and offspring phenotype-associated effects of high-fat diet indicate differing pathophysiologic mechanisms that require specific therapeutic approaches.
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Affiliation(s)
- Mina Desai
- Perinatal Research Laboratories, Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles 90502, USA.
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