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Sharma S, Bhonde R. Dilemma of Epigenetic Changes Causing or Reducing Metabolic Disorders in Offsprings of Obese Mothers. Horm Metab Res 2023; 55:665-676. [PMID: 37813098 DOI: 10.1055/a-2159-9128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
Maternal obesity is associated with fetal complications predisposing later to the development of metabolic syndrome during childhood and adult stages. High-fat diet seems to influence individuals and their subsequent generations in mediating weight gain, insulin resistance, obesity, high cholesterol, diabetes, and cardiovascular disorder. Research evidence strongly suggests that epigenetic alteration is the major contributor to the development of metabolic syndrome through DNA methylation, histone modifications, and microRNA expression. In this review, we have discussed the outcome of recent studies on the adverse and beneficial effects of nutrients and vitamins through epigenetics during pregnancy. We have further discussed about the miRNAs altered during maternal obesity. Identification of new epigenetic modifiers such as mesenchymal stem cells condition media (MSCs-CM)/exosomes for accelerating the reversal of epigenetic abnormalities for the development of new treatments is yet another aspect of the present review.
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Affiliation(s)
- Shikha Sharma
- Institute for Stem Cell Science and Regenerative Medicine, Bangalore, India
| | - Ramesh Bhonde
- Stem Cells and Regenerative Medicine, Dr. D. Y. Patil Vidyapeeth Pune (Deemed University), Pune, India
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2
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Nagagata BA, Ajackson M, Ornellas F, Mandarim-de-Lacerda CA, Aguila MB. Obese mothers supplemented with melatonin during gestation and lactation ameliorate the male offspring's pancreatic islet cellular composition and beta-cell function. J Dev Orig Health Dis 2023; 14:490-500. [PMID: 37366144 DOI: 10.1017/s2040174423000168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Melatonin supplementation to obese mothers during gestation and lactation might benefit the pancreatic islet cellular composition and beta-cell function in male offspring adulthood. C57BL/6 females (mothers) were assigned to two groups (n = 20/each) based on their consumption in control (C 17% kJ as fat) or high-fat diet (HF 49% kJ as fat). Mothers were supplemented with melatonin (Mel) (10 mg/kg daily) during gestation and lactation, or vehicle, forming the groups (n = 10/each): C, CMel, HF, and HFMel. The male offspring were studied, considering they only received the C diet after weaning until three months old. The HF mothers and their offspring showed higher body weight, glucose intolerance, insulin resistance, and low insulin sensitivity than the C ones. However, HFMel mothers and their offspring showed improved glucose metabolism and weight loss than the HF ones. Also, the offspring's higher expressions of pro-inflammatory markers and endoplasmic reticulum (ER) stress were observed in HF but reduced in HFMel. Contrarily, antioxidant enzymes were less expressed in HF but improved in HFMel. In addition, HF showed increased beta-cell mass and hyperinsulinemia but diminished in HFMel. Besides, the beta-cell maturity and identity gene expressions diminished in HF but enhanced in HFMel. In conclusion, obese mothers supplemented with melatonin benefit their offspring's islet cell remodeling and function. In addition, improving pro-inflammatory markers, oxidative stress, and ER stress resulted in better glucose and insulin levels control. Consequently, pancreatic islets and functioning beta cells were preserved in the offspring of obese mothers supplemented with melatonin.
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Affiliation(s)
- Brenda A Nagagata
- Laboratory of Morphometry, Metabolism and Cardiovascular Disease, Biomedical Center, Institute of Biology, The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Matheus Ajackson
- Laboratory of Morphometry, Metabolism and Cardiovascular Disease, Biomedical Center, Institute of Biology, The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Carlos A Mandarim-de-Lacerda
- Laboratory of Morphometry, Metabolism and Cardiovascular Disease, Biomedical Center, Institute of Biology, The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcia Barbosa Aguila
- Laboratory of Morphometry, Metabolism and Cardiovascular Disease, Biomedical Center, Institute of Biology, The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
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Hu S, Chen L, Zeng T, Wang W, Yan Y, Qiu K, Xie Y, Liao Y. DNA methylation profiling reveals novel pathway implicated in cardiovascular diseases of diabetes. Front Endocrinol (Lausanne) 2023; 14:1108126. [PMID: 36875456 PMCID: PMC9975499 DOI: 10.3389/fendo.2023.1108126] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 02/02/2023] [Indexed: 02/17/2023] Open
Abstract
OBJECTIVE Epigenetics was reported to mediate the effects of environmental risk factors on disease pathogenesis. We intend to unleash the role of DNA methylation modification in the pathological process of cardiovascular diseases in diabetes. METHODS We screened differentially methylated genes by methylated DNA immunoprecipitation chip (MeDIP-chip) among the enrolled participants. In addition, methylation-specific PCR (MSP) and gene expression validation in peripheral blood of participants were utilized to validate the DNA microarray findings. RESULTS Several aberrantly methylated genes have been explored, including phospholipase C beta 1 (PLCB1), cam kinase I delta (CAMK1D), and dopamine receptor D5 (DRD5), which participated in the calcium signaling pathway. Meanwhile, vascular endothelial growth factor B (VEGFB), placental growth factor (PLGF), fatty acid transport protein 3 (FATP3), coagulation factor II, thrombin receptor (F2R), and fatty acid transport protein 4 (FATP4) which participated in vascular endothelial growth factor receptor (VEGFR) signaling pathway were also found. After MSP and gene expression validation in peripheral blood of participants, PLCB1, PLGF, FATP4, and VEGFB were corroborated. CONCLUSION This study revealed that the hypomethylation of VEGFB, PLGF, PLCB1, and FATP4 might be the potential biomarkers. Besides, VEGFR signaling pathway regulated by DNA methylation might play a role in the cardiovascular diseases' pathogenesis of diabetes.
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Affiliation(s)
- Shengqing Hu
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Lulu Chen
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Tianshu Zeng
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Wenyi Wang
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Yan Yan
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Kangli Qiu
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Yajuan Xie
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Yunfei Liao
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
- *Correspondence: Yunfei Liao,
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Maternal Treatment with Metformin Persistently Ameliorates High-Fat Diet-Induced Metabolic Symptoms and Modulates Gut Microbiota in Rat Offspring. Nutrients 2022; 14:nu14173612. [PMID: 36079869 PMCID: PMC9460832 DOI: 10.3390/nu14173612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 11/17/2022] Open
Abstract
A maternal high-fat (HF) diet has long-term deleterious effect on offspring. This study aims to evaluate whether maternal metformin (MT) treatment ameliorates the adverse effects of maternal HF diet on offspring and the role of gut microbiota in it. Pregnant Sprague-Dawley rats were randomly assigned to a HF diet (60% fat) or a standard chow diet (11.8% fat) group, and part of the HF diet group rats were co-treated with MT via drinking water (300 mg/kg/day), resulting in three groups according to maternal diet and MT treatment during gestation and lactation. All offspring were weaned on a chow diet. A maternal HF diet showed a significant deleterious effect on offspring’s metabolic phenotype and induced colonic inflammation and gut-barrier disruption through the reshaped gut microbiota. The daily oral administration of MT to HF-fed dams during gestation and lactation reversed the dysbiosis of gut microbiota in both dams and adult offspring. The hypothalamic TGR5 expression and plasma bile acids composition in adult male offspring was restored by maternal MT treatment, which could regulate hypothalamic appetite-related peptides expression and alleviate inflammation, thereby improving male offspring’s metabolic phenotype. The present study indicates that targeting the gut–brain axis through the mother may be an effective strategy to control the metabolic phenotype of offspring.
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Effect of Paternal Diet on Spermatogenesis and Offspring Health: Focus on Epigenetics and Interventions with Food Bioactive Compounds. Nutrients 2022; 14:nu14102150. [PMID: 35631291 PMCID: PMC9143121 DOI: 10.3390/nu14102150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/15/2022] [Accepted: 05/16/2022] [Indexed: 02/04/2023] Open
Abstract
Infertility is a growing public health problem. Consumption of antioxidant bioactive food compounds (BFCs) that include micronutrients and non-nutrients has been highlighted as a potential strategy to protect against oxidative and inflammatory damage in the male reproductive system induced by obesity, alcohol, and toxicants and, thus, improve spermatogenesis and the fertility parameters. Paternal consumption of such dietary compounds could not only benefit the fathers but their offspring as well. Studies in the new field of paternal origins of health and disease show that paternal malnutrition can alter sperm epigenome, and this can alter fetal development and program an increased risk of metabolic diseases and breast cancer in adulthood. BFCs, such as ascorbic acid, α-tocopherol, polyunsaturated fatty acids, trace elements, carnitines, N-acetylcysteine, and coenzyme Q10, have been shown to improve male gametogenesis, modulate epigenetics of germ cells, and the epigenetic signature of the offspring, restoring offspring metabolic health induced by stressors during early life. This indicates that, from a father’s perspective, preconception is a valuable window of opportunity to start potential nutritional interventions with these BFCs to maximize sperm epigenetic integrity and promote adequate fetal growth and development, thus preventing chronic disease in adulthood.
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Hafner H, Mulcahy MC, Carlson Z, Hartley P, Sun H, Westerhoff M, Qi N, Bridges D, Gregg B. Lactational High Fat Diet in Mice Causes Insulin Resistance and NAFLD in Male Offspring Which Is Partially Rescued by Maternal Metformin Treatment. Front Nutr 2021; 8:759690. [PMID: 34977118 PMCID: PMC8714922 DOI: 10.3389/fnut.2021.759690] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/26/2021] [Indexed: 01/16/2023] Open
Abstract
Maternal metabolic disease and diet during pregnancy and lactation have important implications for the programming of offspring metabolic disease. In addition, high-fat diets during pregnancy and lactation can predispose the offspring to non-alcoholic fatty liver disease (NAFLD), a rising health threat in the U.S. We developed a model of maternal high-fat feeding exclusively during the lactation period. We previously showed that offspring from dams, given lactational high-fat diet (HFD), are predisposed to obesity, glucose intolerance, and inflammation. In separate experiments, we also showed that lactational metformin treatment can decrease offspring metabolic risk. The purpose of these studies was to understand the programming implications of lactational HFD on offspring metabolic liver disease risk. Dams were fed a 60% lard-based HFD from the day of delivery through the 21-day lactation period. A subset of dams was also given metformin as a co-treatment. Starting at weaning, the offspring were fed normal fat diet until 3 months of age; at which point, a subset was challenged with an additional HFD stressor. Lactational HFD led male offspring to develop hepatic insulin resistance. The post-weaning HFD challenge led male offspring to progress to NAFLD with more severe outcomes in the lactational HFD-challenged offspring. Co-administration of metformin to lactating dams on HFD partially rescued the offspring liver metabolic defects in males. Lactational HFD or post-weaning HFD had no impact on female offspring who maintained a normal insulin sensitivity and liver phenotype. These findings indicate that HFD, during the lactation period, programs the adult offspring to NAFLD risk in a sexually dimorphic manner. In addition, early life intervention with metformin via maternal exposure may prevent some of the liver programming caused by maternal HFD.
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Affiliation(s)
- Hannah Hafner
- Division of Endocrinology, Department of Pediatrics, Michigan Medicine, Ann Arbor, MI, United States
| | - Molly C. Mulcahy
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Zach Carlson
- Division of Endocrinology, Department of Pediatrics, Michigan Medicine, Ann Arbor, MI, United States
| | - Phillip Hartley
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Haijing Sun
- Division of Endocrinology, Department of Pediatrics, Michigan Medicine, Ann Arbor, MI, United States
| | - Maria Westerhoff
- Department of Pathology, Michigan Medicine, Ann Arbor, MI, United States
| | - Nathan Qi
- Department of Molecular and Integrative Physiology, Michigan Medicine, Ann Arbor, MI, United States
| | - Dave Bridges
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Brigid Gregg
- Division of Endocrinology, Department of Pediatrics, Michigan Medicine, Ann Arbor, MI, United States
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, United States
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Zambrano E, Nathanielsz PW, Rodríguez-González GL. Developmental programming and ageing of male reproductive function. Eur J Clin Invest 2021; 51:e13637. [PMID: 34107063 DOI: 10.1111/eci.13637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/25/2021] [Accepted: 06/08/2021] [Indexed: 12/22/2022]
Abstract
Developmental programming predisposes offspring to metabolic, behavioural and reproductive dysfunction in adult life. Evidence is accumulating that ageing phenotype and longevity are in part developmentally programmed in each individual. Unfortunately, there are few studies addressing the effects of developmental programming by maternal nutrition on the rate of ageing of the male reproductive system. This review will discuss effects of foetal exposure to maternal environmental challenges on male offspring fertility and normal ageing of the male reproductive system. We focus on several key factors involved in reproductive ageing such as decreased hormone production, DNA fragmentation, oxidative stress, telomere shortening, epigenetics, maternal lifestyle and nutrition. There is compelling evidence that ageing of the male reproductive system is developmentally programmed. Both maternal over- or undernutrition accelerate ageing of male offspring reproductive function through similar mechanisms such as decreased serum testosterone levels, increase in oxidative stress biomarkers in both the testes and sperm and changes in sperm quality. Importantly, even in adult life, exercise in male offspring of obese mothers improves adverse effects of programming on reproductive function. Maternal consumption of a low-protein diet causes transgenerational effects in progeny via the paternal line. The seminal fluid has effects on the intrauterine environment. Programming by male factors may involve more than just the sperm. Improving knowledge on developmental programming ageing interactions will improve not only male health and life span but also the health of future generations by reducing programming via the paternal line.
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Affiliation(s)
- Elena Zambrano
- Reproductive Biology Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, México
| | | | - Guadalupe L Rodríguez-González
- Reproductive Biology Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, México
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Maternal Under- and Over-Nutrition during Gestation Causes Islet Hypertrophy and Sex-Specific Changes to Pancreas DNA Methylation in Fetal Sheep. Animals (Basel) 2021; 11:ani11092531. [PMID: 34573497 PMCID: PMC8466738 DOI: 10.3390/ani11092531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/17/2021] [Accepted: 08/19/2021] [Indexed: 01/18/2023] Open
Abstract
The mechanisms by which fetal programming predisposes offspring to reduced β-cell function later in life are poorly understood. We hypothesized that maternal under- and over-nutrition during gestation would negatively affect offspring pancreas development and alter DNA methylation patterns. Pregnant ewes (n = 78) were fed 100, 60, or 140% of NRC requirements beginning at d 30.2 ± 0.2 of gestation. The fetuses are referred to as CON, RES, and OVER, respectively. Fetal pancreas tissue was collected at d 90 or 135 of gestation or within 24 h of birth. Tissue was preserved for histological (n = 8 to 9 offspring per treatment per time point) and DNA methylation analyses (n = 3 to 4 fetuses per treatment per sex). At d 135, OVER exhibited an increased islet size, reduced islet number, and greater insulin positive area compared with CON (p ≤ 0.03). An increased islet size was also observed at d 135 in RES (p ≤ 0.03) compared with CON. Cellular proliferation was reduced at birth in OVER vs. CON (p = 0.01). In the RES vs. CON females, 62% of the differentially methylated regions (DMRs) were hypomethylated (p ≤ 0.001). In the RES vs. CON males, 93% of the DMRs were hypermethylated (p ≤ 0.001). In OVER, 66 and 80% of the DMRs were hypermethylated in the female and male offspring compared with CON (p ≤ 0.001). In conclusion, changes to maternal diet during pregnancy affects the islet hypertrophy and cellular proliferation of the offspring at early post-natal time points. Additionally, changes in DNA methylation patterns appear to be in a diet-specific and sex-dependent manner.
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9
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Postnatally induced metabolic and oxidative changes associated with maternal high-fat consumption were mildly affected by Quercetin-3-O-rutinoside treatment in rats. Heliyon 2021; 7:e06847. [PMID: 33997389 PMCID: PMC8102762 DOI: 10.1016/j.heliyon.2021.e06847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 01/05/2021] [Accepted: 04/14/2021] [Indexed: 11/30/2022] Open
Abstract
Oxidative stress is usually associated with prolonged intake of high-fat diet (HFD). However, little is known about the impact of maternal HFD on endogenous modulation of antioxidant-defence-enzyme-network, its link to adverse fetal growth and overall effects of Quercetin-3-o-rutinoside (QR) supplementation. Sprague-Dawley rats were initially assigned to normal diet (ND) or HFD for 8 weeks and mated. Post-conception, rats were further divided into four groups, of which two groups had diets supplemented with QR while others continued with their respective diets until delivery. Measurements include food and water consumption, physical parameters (body weight, body mass index (BMI) and fur appearance), oral glucose tolerance, lipid profiles, and placental/liver oxidative changes. We observed that water consumption was significantly increased in dams fed HFD without marked differences in food intake, body weight, BMI and glucose tolerance. Surprisingly, offspring of HFD-fed dams had reduced body weight marked by delayed fur appearance compared to the ND offspring. In dams, there were alterations in lipid profile. Lipid peroxidation was increased in the placenta and liver of gestational day (GD) 19 HFD-fed dams and their postnatal day (PND) 21 male offspring. There was evidence of HFD-induced nitrosative stress in dams and PND28 female offspring. Adaptive defence indicate decreased placenta and liver superoxide dismutase (SOD) levels as well as differential changes in total antioxidant capacity (TAC) and catalase (CAT) activity in HFD treated dams and their progenies. Overall, the results indicate that intrauterine metabolic alterations associated with maternal high-fat consumption may induce oxidative challenge in the offspring accompanied by mild developmental consequences, while QR supplementation has little or no beneficial effects.
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Pedersen DC, Bjerregaard LG, Rasmussen KM, Nohr EA, Baker JL. Risk of gestational diabetes mellitus in nulliparous women - Associations with early life body size and change in body mass index from childhood to adulthood. Diabetes Res Clin Pract 2021; 171:108564. [PMID: 33271232 DOI: 10.1016/j.diabres.2020.108564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/06/2020] [Accepted: 11/16/2020] [Indexed: 11/24/2022]
Abstract
AIMS We examined whether a woman's birthweight, childhood height, body mass index (BMI), and BMI changes from childhood to pregnancy were associated with risks of gestational diabetes mellitus (GDM). METHODS We studied 13,031 women from the Copenhagen School Health Records Register born 1959-1996 with birthweight and measured anthropometric information at ages 7 and/or 13. The diagnosis of GDM (n = 255) was obtained from a national health register. Risk ratios (RR) were estimated using log-linear binomial regression. RESULTS Own birthweight and childhood height were inversely associated with GDM. Girls with overweight at age 7 had a higher risk of GDM than girls with normal-weight (RR: 1.79, 95% CI: 1.31, 2.47). Compared to women with normal-weight in childhood and adulthood, risks of GDM were higher in women who developed overweight from age 7 to pregnancy (RR: 4.62; 3.48, 6.14) or had overweight at both times (RR: 4.71; 3.24, 6.85). In women whose BMI normalized from age 7 to pregnancy the RR for GDM was 1.08 (0.47, 2.46). CONCLUSIONS Lower birthweight, shorter childhood height, and higher childhood BMI are associated with increased risks of GDM. Efforts to help girls maintain a normal BMI before pregnancy may be warranted to minimize risks of GDM.
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Affiliation(s)
- Dorthe C Pedersen
- Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, The Capital Region, Copenhagen, Denmark
| | - Lise G Bjerregaard
- Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, The Capital Region, Copenhagen, Denmark
| | | | - Ellen A Nohr
- Research Unit of Obstetrics and Gynecology, Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Jennifer L Baker
- Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, The Capital Region, Copenhagen, Denmark.
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Desoye G, Herrera E. Adipose tissue development and lipid metabolism in the human fetus: The 2020 perspective focusing on maternal diabetes and obesity. Prog Lipid Res 2020; 81:101082. [PMID: 33383022 DOI: 10.1016/j.plipres.2020.101082] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022]
Abstract
During development, the human fetus accrues the highest proportion of fat of all mammals. Precursors of fat lobules can be found at week 14 of pregnancy. Thereafter, they expand, filling with triacylglycerols during pregnancy. The resultant mature lipid-filled adipocytes emerge from a developmental programme of embryonic stem cells, which is regulated differently than adult adipogenesis. Fetal triacylglycerol synthesis uses glycerol and fatty acids derived predominantly from glycolysis and lipogenesis in liver and adipocytes. The fatty acid composition of fetal adipose tissue at the end of pregnancy shows a preponderance of palmitic acid, and differs from the mother. Maternal diabetes mellitus does not influence this fatty acid profile. Glucose oxidation is the main source of energy for the fetus, but mitochondrial fatty acid oxidation also contributes. Indirect evidence suggests the presence of lipoprotein lipase in fetal adipose tissue. Its activity may be increased under hyperinsulinemic conditions as in maternal diabetes mellitus and obesity, thereby contributing to increased triacylglycerol deposition found in the newborns of such pregnancies. Fetal lipolysis is low. Changes in the expression of genes controlling metabolism in fetal adipose tissue appear to contribute actively to the increased neonatal fat mass found in diabetes and obesity. Many of these processes are under endocrine regulation, principally by insulin, and show sex-differences. Novel fatty acid derived signals such as oxylipins are present in cord blood with as yet undiscovered function. Despite many decades of research on fetal lipid deposition and metabolism, many key questions await answers.
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Affiliation(s)
- G Desoye
- Department of Obstetrics and Gynaecology, Medical University of Graz, Graz, Austria.
| | - E Herrera
- Faculties of Pharmacy and Medicine, University CEU San Pablo, Madrid, Spain.
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12
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Puttabyatappa M, Sargis RM, Padmanabhan V. Developmental programming of insulin resistance: are androgens the culprits? J Endocrinol 2020; 245:R23-R48. [PMID: 32240982 PMCID: PMC7219571 DOI: 10.1530/joe-20-0044] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 04/02/2020] [Indexed: 02/06/2023]
Abstract
Insulin resistance is a common feature of many metabolic disorders. The dramatic rise in the incidence of insulin resistance over the past decade has enhanced focus on its developmental origins. Since various developmental insults ranging from maternal disease, stress, over/undernutrition, and exposure to environmental chemicals can all program the development of insulin resistance, common mechanisms may be involved. This review discusses the possibility that increases in maternal androgens associated with these various insults are key mediators in programming insulin resistance. Additionally, the intermediaries through which androgens misprogram tissue insulin sensitivity, such as changes in inflammatory, oxidative, and lipotoxic states, epigenetic, gut microbiome and insulin, as well as data gaps to be filled are also discussed.
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Affiliation(s)
| | - Robert M. Sargis
- Department of Medicine, University of Illinois at Chicago, Chicago, IL
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13
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Carlson Z, Hafner H, Mulcahy M, Bullock K, Zhu A, Bridges D, Bernal-Mizrachi E, Gregg B. Lactational metformin exposure programs offspring white adipose tissue glucose homeostasis and resilience to metabolic stress in a sex-dependent manner. Am J Physiol Endocrinol Metab 2020; 318:E600-E612. [PMID: 32154743 PMCID: PMC7272730 DOI: 10.1152/ajpendo.00473.2019] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We previously demonstrated that exposing mouse dams to metformin during gestation results in increased beta-cell mass at birth and increased beta-cell insulin secretion in adult male offspring. Given these favorable changes after a gestational maternal metformin exposure, we wanted to understand the long-term metabolic impact on offspring after exposing dams to metformin during the postnatal window. The newborn period provides a feasible clinical window for intervention and is important for beta-cell proliferation and metabolic tissue development. Using a C57BL/6 model, we administered metformin to dams from the day of birth to postnatal day 21. We monitored maternal health and offspring growth during the lactation window, as well as adult glucose homeostasis through in vivo testing. At necropsy we assessed pancreas and adipocyte morphology using histological and immunofluorescent staining techniques. We found that metformin exposure programmed male and female offspring to be leaner with a higher proportion of small adipocytes in the gonadal white adipose tissue (GWAT). Male, but not female, offspring had an improvement in glucose tolerance as young adults concordant with a mild increase in insulin secretion in response to glucose in vivo. These data demonstrate long-term metabolic programming of offspring associated with maternal exposure to metformin during lactation.
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Affiliation(s)
- Zach Carlson
- Department of Pediatrics, Division of Diabetes, Endocrinology and Metabolism, University of Michigan Medicine, Ann Arbor, Michigan
| | - Hannah Hafner
- Department of Pediatrics, Division of Diabetes, Endocrinology and Metabolism, University of Michigan Medicine, Ann Arbor, Michigan
| | - Molly Mulcahy
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan
| | - Kaylie Bullock
- Department of Infectious Diseases, Department of Internal Medicine, University of Michigan Medicine, Ann Arbor, Michigan
| | - Allen Zhu
- Department of Pediatrics, Division of Diabetes, Endocrinology and Metabolism, University of Michigan Medicine, Ann Arbor, Michigan
| | - Dave Bridges
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, Michigan
| | - Ernesto Bernal-Mizrachi
- Division of Endocrinology, Diabetes and Metabolism, University of Miami, Miller School of Medicine, Miami, Florida
| | - Brigid Gregg
- Department of Pediatrics, Division of Diabetes, Endocrinology and Metabolism, University of Michigan Medicine, Ann Arbor, Michigan
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Exposure to Chinese Famine in Fetal Life and the Risk of Dysglycemiain Adulthood. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17072210. [PMID: 32218356 PMCID: PMC7177851 DOI: 10.3390/ijerph17072210] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 11/16/2022]
Abstract
Undernutrition in early life may have a long consequence of type 2 diabetes in adulthood. The current study was aimed to explore the association between famine exposure in fetal life during China's Great Famine (1959-1961) and dysglycemia in adulthood. The cross-sectional data from 7830 adults from the 2010-2012 China National Nutrition and Health Surveillance was utilized. Participants who were born between 1960 and 1961 were selected as the exposed group, while the participants who were born in 1963 were selected as the unexposed group. Logistic regression was utilized to examine the relationship between fetal famine exposure and dysglycemia in adulthood. The prevalence of type 2 diabetes in the exposed and control group was 6.4% and 5.1%, respectively, and the risk of type 2 diabetes in the exposed group was 1.23 times higher than that of the control group (95%CI, 1.01-1.50; P = 0.042) in adulthood, and 1.40 times in the severely affected area (95%CI, 1.11-1.76; P = 0.004). The fasting plasma glucose of the exposed group was higher than that of the control group, which was only found in the severely affected area (P = 0.014) and females (P = 0.037). The association between famine and impaired fasting glucose was observed only in females (OR 1.31, 95%CI, 1.01-1.70; P = 0.040). Our results suggested that fetal exposure to Chinese famine increased the risk of dysglycemia in adulthood. This association was stronger in the severely affected area and females.
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15
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Piao H, Yun JM, Shin A, Cho B. Longitudinal Study of Diabetic Differences between International Migrants and Natives among the Asian Population. Biomol Ther (Seoul) 2020; 28:110-118. [PMID: 31739384 PMCID: PMC6939688 DOI: 10.4062/biomolther.2019.163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/15/2019] [Accepted: 10/15/2019] [Indexed: 01/25/2023] Open
Abstract
Migration presents a substantial social and public health issue. However, it is unclear whether diabetes is worse among Asian migrants than natives of South Korea over time. This longitudinal study investigated the nationwide population, including 2,680,495 adults aged 20 years and older (987,214 Asian migrants and 1,693,281 natives), who received health check-ups, using the Korean National Health Insurance Service data (2009-2015). Joinpoint regression was used to estimate the annual percentage change of diabetes, and multivariable logistic regression was used to examine differences in incident type 2 diabetes between Asian migrants and natives adjusting for age, sex, economic status, body mass index, smoking status, any alcohol use, and physical activity. The age-adjusted prevalence of diabetes increased among native men (from 8.8% in 2009 to 9.7% in 2015, APC=1.64, p<0.05) compared to Asian migrant men, and the age-adjusted prevalence of diabetes increased among native women (from 6.0% in 2009 to 6.7% in 2015, APC=1.88, p<0.05) compared to Asian migrant women. In the multivariate analyses, Asian migrants were less likely to get type 2 diabetes than natives (odds ratio, 0.82; 95% CI, 0.78 to 0.86) between the first and last health check-ups. However, the odds ratio for developing type 2 diabetes was 1.15 (95% CI, 1.10 to 1.20) among low-income levels compared to high-income levels, regardless of whether they were Asian migrants or natives. The results could help to establish a new strategy for prevention, treatment, and management of diabetes among the Asian population.
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Affiliation(s)
- Heng Piao
- Department of Family Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Jae Moon Yun
- Department of Family Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea.,Department of Family Medicine & Health Promotion Center, Seoul National University Hospital, Seoul 03080, Republic of Korea
| | - Aesun Shin
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea
| | - Belong Cho
- Department of Family Medicine, Seoul National University College of Medicine, Seoul 03080, Republic of Korea.,Department of Family Medicine & Health Promotion Center, Seoul National University Hospital, Seoul 03080, Republic of Korea
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16
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Ramírez-Alarcón K, Sánchez-Agurto Á, Lamperti L, Martorell M. Epigenetics, Maternal Diet and Metabolic Programming. ACTA ACUST UNITED AC 2019. [DOI: 10.2174/1874196701907010045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background:
The maternal environment influences embryonic and fetal life. Nutritional deficits or excesses alter the trajectory of fetus/offspring’s development. The concept of “developmental programming” and “developmental origins of health and disease” consists of the idea that maternal diet may remodel the genome and lead to epigenetic changes. These changes are induced during early life, permanently altering the phenotype in the posterior adult stage, favoring the development of metabolic diseases such as obesity, dyslipidemia, hypertension, hyperinsulinemia, and metabolic syndrome. In this review, it is aimed to overview epigenetics, maternal diet and metabolic programming factors and determine which of these might affect future generations.
Scope and Approach:
Nutrients interfere with the epigenome by influencing the supply and use of methyl groups through DNA transmethylation and demethylation mechanisms. They also influence the remodeling of chromatin and arginine or lysine residues at the N-terminal tails of histone, thus altering miRNA expression. Fats, proteins, B vitamins and folates act as important cofactors in methylation processes. The metabolism of carbon in the methyl groups of choline, folic acid and methionine to S-Adenosyl Methionine (SAM), acts as methyl donors to methyl DNA, RNA, and proteins. B-complex vitamins are important since they act as coenzymes during this process.
Key Findings and Conclusion:
Nutrients, during pregnancy, potentially influence susceptibility to diseases in adulthood. Additionally, the deficit or excess of nutrients alter the epigenetic machinery, affecting genes and influencing the genome of the offspring and therefore, predisposing the development of chronic diseases in adults.
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17
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da Cruz RS, Andrade FDO, Carioni VMDO, Rosim MP, Miranda MLP, Fontelles CC, de Oliveira PV, Barbisan LF, Castro IA, Ong TP. Dietary zinc deficiency or supplementation during gestation increases breast cancer susceptibility in adult female mice offspring following a J-shaped pattern and through distinct mechanisms. Food Chem Toxicol 2019; 134:110813. [PMID: 31505237 DOI: 10.1016/j.fct.2019.110813] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 08/12/2019] [Accepted: 09/06/2019] [Indexed: 12/12/2022]
Abstract
Zinc is required for fetal development and is involved in key processes associated with breast carcinogenesis. We evaluated whether maternal zinc deficiency or supplementation during gestation influences female offspring susceptibility to breast cancer in adulthood. C57BL/6 mice consumed during gestation control (30 p.p.m. zinc), zinc-deficient (8 p.p.m) or zinc-supplemented (45 p.p.m.) diets. Maternal zinc supplementation increased in female mice offspring the incidence of chemically-induced mammary adenocarcinomas that were heavier, compared to control group. This was accompanied by a decreased number of terminal end buds, increased cell proliferation and apoptosis, and increased tumor suppressors p21, p53 and Rassf1, Zfp382 and Stat3 expression in mammary glands, as well as increased zinc status. Although maternal zinc deficiency did not alter the incidence of these lesions, it also induced heavier mammary adenocarcinomas, compared to control group. These effects were accompanied by a decreased number of terminal end buds, increased proto-oncogenes c-Myc and Lmo4 expression and H3K9Me3 and H4K20Me3 epigenetic marks in mammary glands of offspring, and decreased zinc status and increased levels of oxidative marker malondialdehyde. The data suggest that both maternal zinc deficiency and supplementation during gestation programmed increased breast cancer susceptibility in adult mice offspring following a J-shaped pattern through distinct mechanisms.
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Affiliation(s)
- Raquel Santana da Cruz
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil
| | - Fabia de Oliveira Andrade
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil
| | | | - Mariana Papaléo Rosim
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil
| | - Mayara Lilian Paulino Miranda
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil
| | - Camile Castilho Fontelles
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil
| | | | - Luis Fernando Barbisan
- Department of Morphology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), 18618-970, Botucatu, São Paulo, Brazil
| | - Inar Alves Castro
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil
| | - Thomas Prates Ong
- Department of Food Science and Nutrition, School of Pharmaceutical Sciences, University of São Paulo (USP), 05508-000, São Paulo, Brazil; Food Research Center (FoRC), 05508-000, São Paulo, Brazil.
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18
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Vaiserman A, Lushchak O. Developmental origins of type 2 diabetes: Focus on epigenetics. Ageing Res Rev 2019; 55:100957. [PMID: 31473332 DOI: 10.1016/j.arr.2019.100957] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 08/19/2019] [Accepted: 08/28/2019] [Indexed: 12/15/2022]
Abstract
Traditionally, genetics and lifestyle are considered as main determinants of aging-associated pathological conditions. Accumulating evidence, however, suggests that risk of many age-related diseases is not only determined by genetic and adult lifestyle factors but also by factors acting during early development. Type 2 diabetes (T2D), an age-related disease generally manifested after the age of 40, is among such disorders. Since several age-related conditions, such as pro-inflammatory states, are characteristic of both T2D and aging, this disease is conceptualized by many authors as a kind of premature or accelerated aging. There is substantial evidence that intrauterine growth restriction (IUGR), induced by poor or unbalanced nutrient intake, exposure to xenobiotics, maternal substance abuse etc., may impair fetal development, thereby causing the fetal adipose tissue and pancreatic beta cell dysfunction. Consequently, persisting adaptive changes may occur in the glucose-insulin metabolism, including reduced capacity for insulin secretion and insulin resistance. These changes can lead to an improved ability to store fat, thus predisposing to T2D development in later life. The modulation of epigenetic regulation of gene expression likely plays a central role in linking the adverse environmental conditions early in life to the risk of T2D in adulthood. In animal models of IUGR, long-term persistent changes in both DNA methylation and expression of genes implicated in metabolic processes have been repeatedly reported. Findings from human studies confirming the role of epigenetic mechanisms in linking early-life adverse experiences to the risk for T2D in adult life are scarce compared to data from animal studies, mainly because of limited access to suitable biological samples. It is, however, convincing evidence that these mechanisms may also operate in human beings. In this review, theoretical models and research findings evidencing the role of developmental epigenetic variation in the pathogenesis of T2D are summarized and discussed.
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Affiliation(s)
| | - Oleh Lushchak
- Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
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19
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Hafner H, Chang E, Carlson Z, Zhu A, Varghese M, Clemente J, Abrishami S, Bagchi DP, MacDougald OA, Singer K, Gregg B. Lactational High-Fat Diet Exposure Programs Metabolic Inflammation and Bone Marrow Adiposity in Male Offspring. Nutrients 2019; 11:nu11061393. [PMID: 31234301 PMCID: PMC6628038 DOI: 10.3390/nu11061393] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/01/2019] [Accepted: 06/18/2019] [Indexed: 12/12/2022] Open
Abstract
Overnutrition during critical windows of development plays a significant role in life-long metabolic disease risk. Early exposure to excessive nutrition may result in altered programming leading to increased susceptibility to obesity, inflammation, and metabolic complications. This study investigated the programming effects of high-fat diet (HFD) exposure during the lactation period on offspring adiposity and inflammation. Female C57Bl/6J dams were fed a normal diet or a 60% HFD during lactation. Offspring were weaned onto a normal diet until 12 weeks of age when half were re-challenged with HFD for 12 weeks. Metabolic testing was performed throughout adulthood. At 24 weeks, adipose depots were isolated and evaluated for macrophage profiling and inflammatory gene expression. Males exposed to HFD during lactation had insulin resistance and glucose intolerance as adults. After re-introduction to HFD, males had increased weight gain and worsened insulin resistance and hyperglycemia. There was increased infiltration of pro-inflammatory CD11c+ adipose tissue macrophages, and bone marrow was primed to produce granulocytes and macrophages. Bone density was lower due to enhanced marrow adiposity. This study demonstrates that maternal HFD exposure during the lactational window programs offspring adiposity, inflammation, and impaired glucose homeostasis.
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Affiliation(s)
- Hannah Hafner
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Eric Chang
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Zach Carlson
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Allen Zhu
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Mita Varghese
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Jeremy Clemente
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Simin Abrishami
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Devika P Bagchi
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48105, USA.
| | - Ormond A MacDougald
- Department of Molecular & Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI 48105, USA.
| | - Kanakadurga Singer
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
| | - Brigid Gregg
- Division of Diabetes, Endocrinology and Metabolism, Department of Pediatrics, University of Michigan Medicine, Ann Arbor, MI 48105, USA.
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20
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Lourenço ADSN, Neri DA, Konstantyner T, Palma D, Oliveira FLC. FACTORS ASSOCIATED WITH RAPID WEIGHT GAIN IN PRESCHOOL CHILDREN IN PUBLIC DAY CARE CENTERS. ACTA ACUST UNITED AC 2019; 36:292-300. [PMID: 30365810 PMCID: PMC6202890 DOI: 10.1590/1984-0462/;2018;36;3;00012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 09/01/2017] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To evaluate the prevalence, and identify factors associated with rapid weight gain in preschool children. METHODS A cross sectional study was carried out with 136 children between 24 and 35 months of age attending public daycare centers in Mogi das Cruzes between February and December 2014. Interviews were conducted with the mothers for clinical, sociodemographic and anthropometric characterizations of the children. It was considered to be rapid weight gain when the children presented a difference greater than 0.67 between the weight for age Z score from birth to evaluation. A logistic regression model was adjusted for factors associated with rapid weight gain. RESULTS Fifty children (36.8%) presented rapid weight gain and 36 (26.5%) were overweight. Of these, 22 children were in the rapid weight gain group. The logistic model showed that longest total breastfeeding time (OR 0.94, 95%CI 0.88-0.99; p=0.031) was a protection factor, and low socioeconomic level (OR 4.18, 95%CI 1.04-18.60; p=0.044) was a risk factor for rapid weight gain. CONCLUSIONS There was a high prevalence of rapid weight gain and being overweight among three year old preschoolers attending public day care centers in Brazil. Encouraging the practice of breastfeeding children in the first years of life, in addition to giving guidance about appropriate foods, especially for families with a low socioeconomic status, can potentially contribute to reduce rapid weight gain and, consequently, future metabolic complications of being overweight.
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Affiliation(s)
| | | | | | - Domingos Palma
- Universidade Federal de São Paulo, São Paulo, SP, Brasil
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21
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Maternal Roux-en-Y gastric bypass impairs insulin action and endocrine pancreatic function in male F1 offspring. Eur J Nutr 2019; 59:1067-1079. [DOI: 10.1007/s00394-019-01968-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 04/10/2019] [Indexed: 12/26/2022]
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22
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Berumen J, Orozco L, Betancourt-Cravioto M, Gallardo H, Zulueta M, Mendizabal L, Simon L, Benuto RE, Ramírez-Campos E, Marin M, Juárez E, García-Ortiz H, Martínez-Hernández A, Venegas-Vega C, Peralta-Romero J, Cruz M, Tapia-Conyer R. Influence of obesity, parental history of diabetes, and genes in type 2 diabetes: A case-control study. Sci Rep 2019; 9:2748. [PMID: 30808941 PMCID: PMC6391418 DOI: 10.1038/s41598-019-39145-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 01/18/2019] [Indexed: 12/19/2022] Open
Abstract
Obesity, parental history (PH) of type 2 diabetes (T2D), and genes play an important role in T2D development. However, the influence of each factor on T2D variability is unclear. This study aimed to investigate the influence of obesity (body mass index [BMI], waist/hip ratio), PH, and 16 single-nucleotide polymorphisms (SNPs) associated with T2D on T2D variability in Mexico, comparing 1234 non-diabetic controls and 1219 diabetic patients. To replicate the data, a case-control (n = 2904) and a cross-sectional (n = 1901) study were also included. In a multivariate logistic regression model, all factors accounted for only 27.3% of T2D variability: SNPs (8.4%); PH (11.8%) and obesity (7.1%). These factors contributed more in men (33.2%) than in women (25%), specifically when the disease was diagnosed before the age of 46 (46.7% vs. 30%). Genes played a substantially more important role in men than in women (14.9% vs. 5.5%), while obesity and PH played a similar role in both genders. Genes and PH appeared to play a greater role than obesity in T2D. However, obesity contribution was calculated at the time of recruitment and may be underestimated in patients because the BMI decreased linearly with the number of years with the disease. The data suggest that sexual hormones may play important roles in genes that are associated with T2D.
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Affiliation(s)
- Jaime Berumen
- Unidad de Medicina Genómica, Hospital General de México, México City, Mexico.
- Departamento de Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico.
| | - Lorena Orozco
- Instituto Nacional de Medicina Genómica, Mexico City, Mexico
| | | | | | | | | | | | | | | | | | - Eligia Juárez
- Unidad de Medicina Genómica, Hospital General de México, México City, Mexico
| | | | | | | | - Jesús Peralta-Romero
- Unidad de Investigación Médica en Bioquímica Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Méxicano del Seguro Social, Mexico City, Mexico
| | - Miguel Cruz
- Unidad de Investigación Médica en Bioquímica Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Méxicano del Seguro Social, Mexico City, Mexico
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23
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Andraos S, de Seymour JV, O'Sullivan JM, Kussmann M. The Impact of Nutritional Interventions in Pregnant Women on DNA Methylation Patterns of the Offspring: A Systematic Review. Mol Nutr Food Res 2018; 62:e1800034. [PMID: 30035846 DOI: 10.1002/mnfr.201800034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 07/12/2018] [Indexed: 12/14/2022]
Abstract
Epidemiological studies have consistently demonstrated that environmental exposures in early life are associated with later-life health status and disease susceptibility. Epigenetic modifications, such as DNA methylation, have been suggested as potential mechanisms linking the intrauterine environment with offspring health status. The present systematic review compiles peer-reviewed randomized controlled trials assessing the impact of maternal nutritional interventions on DNA methylation patterns of the offspring. The results of the included trials are consistent with micronutrient supplementation not significantly affecting offspring tissue DNA methylation patterns, yet subgrouping by sex, BMI, and smoking status increased the significance of nutritional supplementation on DNA methylation. Maternal BMI and smoking status as well as offspring sex were factors influencing offspring DNA methylation responsiveness to nutritional interventions during pregnancy. Future research should aim at assessing the impact of nutritional interventions on DNA methylation patterns of neonates comparing single versus multi-micronutrient supplementation, within populations having high versus low baseline nutritional statuses.
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Affiliation(s)
- Stephanie Andraos
- The Liggins Institute, Faculty of Medical and Health Sciences, The University of Auckland, 1023, Auckland, New Zealand
| | - Jamie Violet de Seymour
- The Liggins Institute, Faculty of Medical and Health Sciences, The University of Auckland, 1023, Auckland, New Zealand
| | - Justin Martin O'Sullivan
- The Liggins Institute, Faculty of Medical and Health Sciences, The University of Auckland, 1023, Auckland, New Zealand
| | - Martin Kussmann
- The Liggins Institute, Faculty of Medical and Health Sciences, The University of Auckland, 1023, Auckland, New Zealand.,New Zealand National Science Challenge, High-Value Nutrition, The University of Auckland, 1023, Auckland, New Zealand
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24
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Gestational exposure to metformin programs improved glucose tolerance and insulin secretion in adult male mouse offspring. Sci Rep 2018; 8:5745. [PMID: 29636523 PMCID: PMC5893596 DOI: 10.1038/s41598-018-23965-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/07/2018] [Indexed: 11/18/2022] Open
Abstract
Pancreatic β-cells are exquisitely sensitive to developmental nutrient stressors, and alterations in nutrient sensing pathways may underlie changes observed in these models. Here we developed a mouse model of in utero exposure to the anti-diabetic agent metformin. We have previously shown that this exposure increases offspring pancreatic β-cell mass at birth. We hypothesized that adult offspring would have improved metabolic parameters as a long-term outcome of metformin exposure. Virgin dams were given 5 mg/mL metformin in their water from E0.5 to delivery at E18.5. Body weight, glucose tolerance, insulin tolerance and glucose stimulated insulin secretion were analyzed in the offspring. When male offspring of dams given metformin during gestation were tested as adults they had improved glucose tolerance and enhanced insulin secretion in vivo as did their islets in vitro. Enhanced insulin secretion was accompanied by changes in intracellular free calcium responses to glucose and potassium chloride, possibly mediated by increased L channel expression. Female offspring exhibited improved glucose tolerance at advanced ages. In conclusion, in this model in utero metformin exposure leads to improved offspring metabolism in a gender-specific manner. These findings suggest that metformin applied during gestation may be an option for reprogramming metabolism in at risk groups.
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25
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Obata F, Fons CO, Gould AP. Early-life exposure to low-dose oxidants can increase longevity via microbiome remodelling in Drosophila. Nat Commun 2018; 9:975. [PMID: 29515102 PMCID: PMC5841413 DOI: 10.1038/s41467-018-03070-w] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 01/16/2018] [Indexed: 02/07/2023] Open
Abstract
Environmental stresses experienced during development exert many long-term effects upon health and disease. For example, chemical oxidants or genetic perturbations that induce low levels of reactive oxygen species can extend lifespan in several species. In some cases, the beneficial effects of low-dose oxidants are attributed to adaptive protective mechanisms such as mitohormesis, which involve long-term increases in the expression of stress response genes. Here we show in Drosophila that transient exposure to low concentrations of oxidants during development leads to an extension of adult lifespan. Surprisingly, this depends upon oxidants acting in an antibiotic-like manner to selectively deplete the microbiome of Acetobacter proteobacteria. We demonstrate that the presence of Acetobacter species, such as A. aceti, in the indigenous microbiota increases age-related gut dysfunction and shortens lifespan. This study demonstrates that low-dose oxidant exposure during early life can extend lifespan via microbiome remodelling rather than mitohormesis.
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Affiliation(s)
- Fumiaki Obata
- Physiology and Metabolism Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
- Department of Genetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Clara O Fons
- Physiology and Metabolism Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Alex P Gould
- Physiology and Metabolism Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK.
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26
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Abstract
Globally, the number of people with diabetes mellitus has quadrupled in the past three decades, and diabetes mellitus is the ninth major cause of death. About 1 in 11 adults worldwide now have diabetes mellitus, 90% of whom have type 2 diabetes mellitus (T2DM). Asia is a major area of the rapidly emerging T2DM global epidemic, with China and India the top two epicentres. Although genetic predisposition partly determines individual susceptibility to T2DM, an unhealthy diet and a sedentary lifestyle are important drivers of the current global epidemic; early developmental factors (such as intrauterine exposures) also have a role in susceptibility to T2DM later in life. Many cases of T2DM could be prevented with lifestyle changes, including maintaining a healthy body weight, consuming a healthy diet, staying physically active, not smoking and drinking alcohol in moderation. Most patients with T2DM have at least one complication, and cardiovascular complications are the leading cause of morbidity and mortality in these patients. This Review provides an updated view of the global epidemiology of T2DM, as well as dietary, lifestyle and other risk factors for T2DM and its complications.
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Affiliation(s)
- Yan Zheng
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, 2005 Songhu Road, Shanghai, China
- Department of Nutrition, Harvard T.H. Chan School of Public Health, 2005 Songhu Road, Shanghai, China
| | - Sylvia H Ley
- Department of Nutrition, Harvard T.H. Chan School of Public Health, 2005 Songhu Road, Shanghai, China
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, Massachusetts 02115, USA
| | - Frank B Hu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, 2005 Songhu Road, Shanghai, China
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, 665 Huntington Avenue, Boston, Massachusetts 02115, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, 181 Longwood Avenue, Boston, Massachusetts 02115, USA
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27
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Fontelles CC, da Cruz RS, Hilakivi-Clarke L, de Assis S, Ong TP. Developmental Origins of Breast Cancer: A Paternal Perspective. Methods Mol Biol 2018; 1735:91-103. [PMID: 29380308 DOI: 10.1007/978-1-4939-7614-0_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The developmental origins of breast cancer have been considered predominantly from a maternal perspective. Although accumulating evidence suggests a paternal programming effect on metabolic diseases, the potential impact of fathers' experiences on their daughters' breast cancer risk has received less attention. In this chapter, we focus on the developmental origins of breast cancer and examine the emerging evidence for a role of fathers' experiences.
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Affiliation(s)
- Camile Castilho Fontelles
- Department of Food and Experimental Nutrition, Food Research Center (FoRC), Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
- Georgetown University Lombardi Comprehensive Cancer Center, Washington, DC, USA
| | | | | | - Sonia de Assis
- Georgetown University Lombardi Comprehensive Cancer Center, Washington, DC, USA
| | - Thomas Prates Ong
- Department of Food and Experimental Nutrition, Food Research Center (FoRC), Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil.
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Kraeuter AK, Guest PC, Sarnyai Z. Neuropsychiatric Sequelae of Early Nutritional Modifications: A Beginner's Guide to Behavioral Analysis. Methods Mol Biol 2018; 1735:403-420. [PMID: 29380331 DOI: 10.1007/978-1-4939-7614-0_28] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Early parental nutritional interventions during prenatal development have been shown to result in neuropsychiatric sequelae in the adult offspring. In order to understand the impact of such nutritional interventions, the behavior of the animal has to be carefully analyzed. This chapter provides a step-by-step guide to conduct behavioral tests in adult mice for investigators without specific expertise or those without the equipment to carry out behavioral studies. We focus on tests tapping into the main behavioral abnormalities that correspond to mental illnesses. We describe the materials required and the detailed methods to conduct global assessment of parameters such as behavioral integrity and general well-being, psychomotor activity, social behavior, repetitive behavior, anxiety-like behavior, depression-like behavior, short-term spatial working memory, and spatial reference memory.
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Affiliation(s)
- Ann-Katrin Kraeuter
- Laboratory of Psychiatric Neuroscience, Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia
- Discipline of Biomedicine, College of Public Health, Medicine and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
| | - Paul C Guest
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Zoltán Sarnyai
- Laboratory of Psychiatric Neuroscience, Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia.
- Discipline of Biomedicine, College of Public Health, Medicine and Veterinary Sciences, James Cook University, Townsville, QLD, Australia.
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Abstract
Under- or overfeeding during pregnancy can lead to behavioral deficits in the offspring in later life. Here, we present a protocol for setting up and carrying out the hyperlocomotion test for assessing behavioral symptoms such as psychosis or mania. As an example, we use the acute rat phencyclidine-injection model which exhibits hyperlocomotion and stereotypic behaviors, resembling the positive symptoms of schizophrenia.
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Affiliation(s)
- Dan Ma
- Department of Neurosciences, University of Cambridge, Cambridge, UK
| | - Paul C Guest
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas, Campinas, SP, Brazil.
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Abstract
Identifying microRNA (miRNA) signatures in animal tissues is an essential first step in studies assessing post-transcriptional regulation of gene expression in health or disease. Small RNA sequencing (sRNA-Seq) is a next-generation sequencing-based technology that is currently considered the most powerful and versatile tool for miRNA profiling. Here, we describe a sRNA-Seq protocol including RNA purification from mammalian tissues, library preparation, and raw data analysis.
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Affiliation(s)
- Lucas Carminatti Pantaleão
- MRC Metabolic Diseases Unit, University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, UK
| | - Susan E Ozanne
- MRC Metabolic Diseases Unit, University of Cambridge Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, UK.
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31
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Sculley DV, Lucock M. Maternal Undernutrition and Type 2 Diabetes in Australian Aboriginal and Torres Strait Islander People: History and Future Direction. EXPLORATORY RESEARCH AND HYPOTHESIS IN MEDICINE 2017; 2:1-5. [DOI: 10.14218/erhm.2017.00028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Associations Between Dietary Intake Before 6 Months of Age and Rapid Weight Gain Among HIV-exposed Uninfected Infants. J Pediatr Gastroenterol Nutr 2017; 65:e104-e109. [PMID: 28422809 DOI: 10.1097/mpg.0000000000001607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
INTRODUCTION HIV-exposed, uninfected (HEU) infants are potentially at risk for cardiovascular disease due to in utero exposures. Feeding practices of the infant could compound this risk. Few studies have, however, evaluated dietary intake of HEU infants. We determined dietary factors associated with rapid weight gain (RWG) among HEU infants from birth to 6 months followed at the University of Miami HIV Screening Program. METHODS In this cross-sectional analysis, logistic regression was used to determine dietary factors associated with RWG defined as a >0.67 SD change in weight-for-age z score from birth to assessment (0.3-6 months). Other covariates included demographics, birth, maternal and gestational characteristics, and antiretroviral exposures. RESULTS A total of 86 full-term HEU infants with a mean age of 3.4 months (SD 1.8 months) were included in this analysis. Fifty-five percent of mothers were obese. Overall, 39.5% of infants exhibited RWG. A significant association between consumption of infant cereal and RWG (odds ratio, 3.52; 95% confidence interval, 1.02-12.10) was found after adjusting for birth weight, current age, and energy intake. Those infants who consumed the highest tertile of protein were less likely to gain weight rapidly after adjusting for the same covariates (odds ratio, 0.15; 95% confidence interval, 0.02-0.94). CONCLUSIONS Overall differences in weight gain during early infancy are at least partly explained by means of infant feeding in young HEU infants in the United States. Dietary counseling for families of HEU should reinforce current feeding practice recommendations of the American Academy of Pediatrics.
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Upadhyaya B, Larsen T, Barwari S, Louwagie EJ, Baack ML, Dey M. Prenatal Exposure to a Maternal High-Fat Diet Affects Histone Modification of Cardiometabolic Genes in Newborn Rats. Nutrients 2017; 9:E407. [PMID: 28425976 PMCID: PMC5409746 DOI: 10.3390/nu9040407] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 04/12/2017] [Accepted: 04/14/2017] [Indexed: 12/15/2022] Open
Abstract
Infants born to women with diabetes or obesity are exposed to excess circulating fuels during fetal heart development and are at higher risk of cardiac diseases. We have previously shown that late-gestation diabetes, especially in conjunction with a maternal high-fat (HF) diet, impairs cardiac functions in rat-offspring. This study investigated changes in genome-wide histone modifications in newborn hearts from rat-pups exposed to maternal diabetes and HF-diet. Chromatin-immunoprecipitation-sequencing revealed a differential peak distribution on gene promoters in exposed pups with respect to acetylation of lysines 9 and 14 and to trimethylation of lysines 4 and 27 in histone H3 (all, false discovery rate, FDR < 0.1). In the HF-diet exposed offspring, 54% of the annotated genes showed the gene-activating mark trimethylated lysine 4. Many of these genes (1) are associated with the "metabolic process" in general and particularly with "positive regulation of cholesterol biosynthesis" (FDR = 0.03); (2) overlap with 455 quantitative trait loci for blood pressure, body weight, serum cholesterol (all, FDR < 0.1); and (3) are linked to cardiac disease susceptibility/progression, based on disease ontology analyses and scientific literature. These results indicate that maternal HF-diet changes the cardiac histone signature in offspring suggesting a fuel-mediated epigenetic reprogramming of cardiac tissue in utero.
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Affiliation(s)
- Bijaya Upadhyaya
- Department of Health and Nutritional Sciences, Box 2203, South Dakota State University, Brookings, SD 57007, USA.
| | - Tricia Larsen
- Children's Health Research Center, Sanford Research, Sioux Falls, SD 57104, USA.
| | - Shivon Barwari
- Department of Health and Nutritional Sciences, Box 2203, South Dakota State University, Brookings, SD 57007, USA.
| | - Eli J Louwagie
- Sanford School of Medicine-University of South Dakota, Sioux Falls, SD 57105, USA.
| | - Michelle L Baack
- Children's Health Research Center, Sanford Research, Sioux Falls, SD 57104, USA.
- Sanford School of Medicine-University of South Dakota, Sioux Falls, SD 57105, USA.
- Children's Health Specialty Clinic, Sanford Children's Hospital, Sioux Falls, SD 57117, USA.
| | - Moul Dey
- Department of Health and Nutritional Sciences, Box 2203, South Dakota State University, Brookings, SD 57007, USA.
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Ajiboye O, Segal JB. National trends in the treatment of diabetic nephropathy in the United States. J Clin Pharm Ther 2017; 42:311-317. [PMID: 28295491 DOI: 10.1111/jcpt.12516] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 02/09/2017] [Indexed: 12/21/2022]
Affiliation(s)
- O. Ajiboye
- Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
| | - J. B. Segal
- Center for Drug Safety and Effectiveness; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
- Division of General Internal Medicine; Johns Hopkins Hospital; Baltimore MD USA
- Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
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35
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Vaiserman AM. Early-Life Nutritional Programming of Type 2 Diabetes: Experimental and Quasi-Experimental Evidence. Nutrients 2017; 9:nu9030236. [PMID: 28273874 PMCID: PMC5372899 DOI: 10.3390/nu9030236] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 02/11/2017] [Accepted: 02/23/2017] [Indexed: 12/24/2022] Open
Abstract
Consistent evidence from both experimental and human studies suggest that inadequate nutrition in early life can contribute to risk of developing metabolic disorders including type 2 diabetes (T2D) in adult life. In human populations, most findings supporting a causative relationship between early-life malnutrition and subsequent risk of T2D were obtained from quasi-experimental studies (‘natural experiments’). Prenatal and/or early postnatal exposures to famine were demonstrated to be associated with higher risk of T2D in many cohorts around the world. Recent studies have highlighted the importance of epigenetic regulation of gene expression as a possible major contributor to the link between the early-life famine exposure and T2D in adulthood. Findings from these studies suggest that prenatal exposure to the famine may result in induction of persistent epigenetic changes that have adaptive significance in postnatal development but can predispose to metabolic disorders including T2D at the late stages of life. In this review, quasi-experimental data on the developmental programming of T2D are summarized and recent research findings on changes in DNA methylation that mediate these effects are discussed.
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36
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Effects of birth weight, sex and neonatal glucocorticoid overexposure on glucose–insulin dynamics in young adult horses. J Dev Orig Health Dis 2016; 8:206-215. [DOI: 10.1017/s2040174416000696] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In several species, adult metabolic phenotype is influenced by the intrauterine environment, often in a sex-linked manner. In horses, there is also a window of susceptibility to programming immediately after birth but whether adult glucose–insulin dynamics are altered by neonatal conditions remains unknown. Thus, this study investigated the effects of birth weight, sex and neonatal glucocorticoid overexposure on glucose–insulin dynamics of young adult horses. For the first 5 days after birth, term foals were treated with saline as a control or ACTH to raise cortisol levels to those of stressed neonates. At 1 and 2 years of age, insulin secretion and sensitivity were measured by exogenous glucose administration and hyperinsulinaemic–euglycaemic clamp, respectively. Glucose-stimulated insulin secretion was less in males than females at both ages, although there were no sex-linked differences in glucose tolerance. Insulin sensitivity was greater in females than males at 1 year but not 2 years of age. Birth weight was inversely related to the area under the glucose curve and positively correlated to insulin sensitivity at 2 years but not 1 year of age. In contrast, neonatal glucocorticoid overexposure induced by adrenocorticotropic hormone (ACTH) treatment had no effect on whole body glucose tolerance, insulin secretion or insulin sensitivity at either age, although this treatment altered insulin receptor abundance in specific skeletal muscles of the 2-year-old horses. These findings show that glucose–insulin dynamics in young adult horses are sexually dimorphic and determined by a combination of genetic and environmental factors acting during early life.
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37
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Willbanks A, Leary M, Greenshields M, Tyminski C, Heerboth S, Lapinska K, Haskins K, Sarkar S. The Evolution of Epigenetics: From Prokaryotes to Humans and Its Biological Consequences. GENETICS & EPIGENETICS 2016; 8:25-36. [PMID: 27512339 PMCID: PMC4973776 DOI: 10.4137/geg.s31863] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/03/2016] [Accepted: 07/06/2016] [Indexed: 12/11/2022]
Abstract
The evolution process includes genetic alterations that started with prokaryotes and now continues in humans. A distinct difference between prokaryotic chromosomes and eukaryotic chromosomes involves histones. As evolution progressed, genetic alterations accumulated and a mechanism for gene selection developed. It was as if nature was experimenting to optimally utilize the gene pool without changing individual gene sequences. This mechanism is called epigenetics, as it is above the genome. Curiously, the mechanism of epigenetic regulation in prokaryotes is strikingly different from that in eukaryotes, mainly higher eukaryotes, like mammals. In fact, epigenetics plays a significant role in the conserved process of embryogenesis and human development. Malfunction of epigenetic regulation results in many types of undesirable effects, including cardiovascular disease, metabolic disorders, autoimmune diseases, and cancer. This review provides a comparative analysis and new insights into these aspects.
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Affiliation(s)
- Amber Willbanks
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Meghan Leary
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Molly Greenshields
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Camila Tyminski
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Sarah Heerboth
- Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Karolina Lapinska
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Kathryn Haskins
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Sibaji Sarkar
- Cancer Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA.; Genome Science Institute, Boston University School of Medicine, Boston, MA, USA
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38
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Abstract
Epigenetic changes are caused by biochemical regulators of gene expression that can be transferred across generations or through cell division. Epigenetic modifications can arise from a variety of environmental exposures including undernutrition, obesity, physical activity, stress and toxins. Transient epigenetic changes across the entire genome can influence metabolic outcomes and might or might not be heritable. These modifications direct and maintain the cell-type specific gene expression state. Transient epigenetic changes can be driven by DNA methylation and histone modification in response to environmental stressors. A detailed understanding of the epigenetic signatures of insulin resistance and the adaptive response to exercise might identify new therapeutic targets that can be further developed to improve insulin sensitivity and prevent obesity. This Review focuses on the current understanding of mechanisms by which lifestyle factors affect the epigenetic landscape in type 2 diabetes mellitus and obesity. Evidence from the past few years about the potential mechanisms by which diet and exercise affect the epigenome over several generations is discussed.
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Affiliation(s)
- Romain Barrès
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Section of Integrative Physiology, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, Copenhagen 2200, Denmark
| | - Juleen R Zierath
- The Novo Nordisk Foundation Center for Basic Metabolic Research, Section of Integrative Physiology, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, Copenhagen 2200, Denmark
- Department of Molecular Medicine and Department of Physiology and Pharmacology, Section of Integrative Physiology, Karolinska Institutet, von Eulers väg 4a, SE 171 77 Stockholm, Sweden
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39
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Boylan JM, Sanders JA, Gruppuso PA. Regulation of fetal liver growth in a model of diet restriction in the pregnant rat. Am J Physiol Regul Integr Comp Physiol 2016; 311:R478-88. [PMID: 27357801 DOI: 10.1152/ajpregu.00138.2016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 06/23/2016] [Indexed: 12/16/2022]
Abstract
Limited nutrient availability is a cause of intrauterine growth restriction (IUGR), a condition that has important implications for the well being of the offspring. Using the established IUGR model of maternal fasting in the rat, we investigated mechanisms that control gene expression and mRNA translation in late-gestation fetal liver. Maternal fasting for 48 h during the last one-third of gestation was associated with a 10-15% reduction in fetal body weight and a disproportionate one-third reduction in total fetal liver protein. The fetal liver transcriptome showed only subtle changes consistent with reduced cell proliferation and enhanced differentiation in IUGR. Effects on the transcriptome could not be attributed to specific transcription factors. We purified translating polysomes to profile the population of mRNAs undergoing active translation. Microarray analysis of the fetal liver translatome indicated a global reduction of translation. The only targeted effect was enhanced translation of mitochondrial ribosomal proteins in IUGR, consistent with enhanced mitochondrial biogenesis. There was no evidence for attenuated signaling through the mammalian target of rapamycin (mTOR). Western blot analysis showed no changes in fetal liver mTOR signaling. However, eukaryotic initiation factor 2α (eIF2α) phosphorylation was increased in livers from IUGR fetuses, consistent with a role in global translation control. Our data indicate that IUGR-associated changes in hepatic gene expression and mRNA translation likely involve a network of complex regulatory mechanisms, some of which are novel and distinct from those that mediate the response of the liver to nutrient restriction in the adult rat.
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Affiliation(s)
- Joan M Boylan
- Division of Pediatric Endocrinology, Rhode Island Hospital and Brown University, Providence, Rhode Island
| | - Jennifer A Sanders
- Division of Pediatric Endocrinology, Rhode Island Hospital and Brown University, Providence, Rhode Island; Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island; and
| | - Philip A Gruppuso
- Division of Pediatric Endocrinology, Rhode Island Hospital and Brown University, Providence, Rhode Island; Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, Rhode Island
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40
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Lopes GAD, Ribeiro VLB, Barbisan LF, Marchesan Rodrigues MA. Fetal developmental programing: insights from human studies and experimental models. J Matern Fetal Neonatal Med 2016; 30:722-728. [DOI: 10.1080/14767058.2016.1183635] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | | | - Luís Fernando Barbisan
- Department of Morphology, Institute of Biosciences, UNESP – Univ. Estadual Paulista, Botucatu, SP, Brazil
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41
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Aiken CE, Tarry-Adkins JL, Ozanne SE. Transgenerational effects of maternal diet on metabolic and reproductive ageing. Mamm Genome 2016; 27:430-9. [PMID: 27114382 PMCID: PMC4935748 DOI: 10.1007/s00335-016-9631-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 03/29/2016] [Indexed: 12/19/2022]
Abstract
The early-life environment, in particular maternal diet during pregnancy, influences a wide range of organs and systems in adult offspring. Mounting evidence suggests that developmental programming can also influence health and disease in grand-offspring. Transgenerational effects can be defined as those persisting into an F2 generation, where the F0 mother experiences suboptimal diet during her pregnancy. In this review, we critically examine evidence for transgenerational developmental programming effects in human populations, focusing on metabolic and reproductive outcomes. We discuss evidence from historical cohorts suggesting that grandchildren of women exposed to famine and other dietary alterations during pregnancy may experience increased rates of later health complications than their control counterparts. The methodological difficulties with transgenerational studies in human cohorts are explored. In particular, the problems with assessing reproductive outcomes in human populations are discussed. In light of the relative paucity of evidence available from human cohorts, we consider key insights from transgenerational experimental animal models of developmental programming by maternal diet; data are drawn from a range of rodent models, as well as the guinea-pig and the sheep. The evidence for different potential mechanisms of transgenerational inheritance or re-propagation of developmental programming effects is evaluated. Transgenerational effects could be transmitted through methylation of the gametes via the paternal and maternal lineage, as well as other possible mechanisms via the maternal lineage. Finally, future directions for exploring these underlying mechanisms further are proposed, including utilizing large, well-characterized, prospective pregnancy cohorts that include biobanks, which have been established in various populations during the last few decades.
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Affiliation(s)
- Catherine E Aiken
- University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Treatment Centre, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK.,Department of Obstetrics and Gynaecology, The Rosie Hospital and NIHR Cambridge Comprehensive Biomedical Research Centre, University of Cambridge, Box 223, Cambridge, CB2 0SW, UK
| | - Jane L Tarry-Adkins
- University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Treatment Centre, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK
| | - Susan E Ozanne
- University of Cambridge Metabolic Research Laboratories and MRC Metabolic Diseases Unit, Institute of Metabolic Science, Addenbrooke's Treatment Centre, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK.
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42
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Calzada L, Morales A, Sosa-Larios TC, Reyes-Castro LA, Rodríguez-González GL, Rodríguez-Mata V, Zambrano E, Morimoto S. Maternal protein restriction during gestation impairs female offspring pancreas development in the rat. Nutr Res 2016; 36:855-62. [PMID: 27440540 DOI: 10.1016/j.nutres.2016.03.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 03/17/2016] [Accepted: 03/22/2016] [Indexed: 02/08/2023]
Abstract
A maternal low-protein (LP) diet programs fetal pancreatic islet β-cell development and function and predisposes offspring to metabolic dysfunction later in life. We hypothesized that maternal protein restriction during pregnancy differentially alters β- and α-cell populations in offspring by modifying islet ontogeny and function throughout life. We aimed to investigate the effect of an LP maternal diet on pancreatic islet morphology and cellular composition in female offspring on postnatal days (PNDs) 7, 14, 21, 36, and 110. Mothers were divided into 2 groups: during pregnancy, the control group (C) was fed a diet containing 20% casein, and the LP group was fed an isocaloric diet with 10% casein. Offspring pancreases were obtained at each PND and then processed. β and α cells were detected by immunohistochemistry, and cellular area and islet size were quantified. Islet cytoarchitecture and total area were similar in C and LP offspring at all ages studied. At the early ages (PNDs 7-21), the proportion of β cells was lower in LP than C offspring. The proportion of α cells was lower in LP than C offspring on PND 14 and higher on PND 21. The β/α-cell ratio was lower in LP compared with C offspring on PNDs 7 and 21 and higher on PND 36 (being similar on PNDs 14 and 110). We concluded that maternal protein restriction during pregnancy modifies offspring islet cell ontogeny by altering the proportions of islet sizes and by reducing the number of β cells postnatally, which may impact pancreatic function in adult life.
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Affiliation(s)
- Lizbeth Calzada
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico
| | - Angélica Morales
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico
| | - Tonantzin C Sosa-Larios
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico
| | - Luis A Reyes-Castro
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico
| | - Guadalupe L Rodríguez-González
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico
| | - Verónica Rodríguez-Mata
- Department of Cell and Tissue Biology, School of Medicine, Universidad Nacional Autónoma de México, Apto 70-250, CP. 04510 Mexico City, Mexico
| | - Elena Zambrano
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico
| | - Sumiko Morimoto
- Department of Reproductive Biology, National Institute of Medical Science and Nutrition "Salvador Zubirán", Vasco de Quiroga 15 Col. Belisario Domínguez Sección XVI, Tlalpan, CP. 14080 Mexico City, Mexico.
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43
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Leikin-Frenkel AI. Is there A Role for Alpha-Linolenic Acid in the Fetal Programming of Health? J Clin Med 2016; 5:jcm5040040. [PMID: 27023621 PMCID: PMC4850463 DOI: 10.3390/jcm5040040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 03/11/2016] [Accepted: 03/15/2016] [Indexed: 12/12/2022] Open
Abstract
The role of ω3 alpha linolenic acid (ALA) in the maternal diet during pregnancy and lactation, and its effect on the prevention of disease and programming of health in offspring, is largely unknown. Compared to ALA, ω3 docosahexaenoic (DHA) and eicosapentaenoic (EPA) acids have been more widely researched due to their direct implication in fetal neural development. In this literature search we found that ALA, the essential ω3 fatty acid and metabolic precursor of DHA and EPA has been, paradoxically, almost unexplored. In light of new and evolving findings, this review proposes that ALA may have an intrinsic role, beyond the role as metabolic parent of DHA and EPA, during fetal development as a regulator of gene programming for the prevention of metabolic disease and promotion of health in offspring.
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Affiliation(s)
- Alicia I Leikin-Frenkel
- The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel.
- Bert Strassburger Lipid Center, Sheba, Tel Hashomer, Ramat Gan 52621, Israel.
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44
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Pérez-García G, Guzmán-Quevedo O, Da Silva Aragão R, Bolaños-Jiménez F. Early malnutrition results in long-lasting impairments in pattern-separation for overlapping novel object and novel location memories and reduced hippocampal neurogenesis. Sci Rep 2016; 6:21275. [PMID: 26882991 PMCID: PMC4756322 DOI: 10.1038/srep21275] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 01/14/2016] [Indexed: 12/20/2022] Open
Abstract
Numerous epidemiological studies indicate that malnutrition during in utero development and/or childhood induces long-lasting learning disabilities and enhanced susceptibility to develop psychiatric disorders. However, animal studies aimed to address this question have yielded inconsistent results due to the use of learning tasks involving negative or positive reinforces that interfere with the enduring changes in emotional reactivity and motivation produced by in utero and neonatal malnutrition. Consequently, the mechanisms underlying the learning deficits associated with malnutrition in early life remain unknown. Here we implemented a behavioural paradigm based on the combination of the novel object recognition and the novel object location tasks to define the impact of early protein-restriction on the behavioural, cellular and molecular basis of memory processing. Adult rats born to dams fed a low-protein diet during pregnancy and lactation, exhibited impaired encoding and consolidation of memory resulting from impaired pattern separation. This learning deficit was associated with reduced production of newly born hippocampal neurons and down regulation of BDNF gene expression. These data sustain the existence of a causal relationship between early malnutrition and impaired learning in adulthood and show that decreased adult neurogenesis is associated to the cognitive deficits induced by childhood exposure to poor nutrition.
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Affiliation(s)
- Georgina Pérez-García
- INRA, UMR1280 Physiologie des Adaptations Nutritionnelles, Université de Nantes, Nantes Atlantique Université, 44096, Nantes, France
| | - Omar Guzmán-Quevedo
- INRA, UMR1280 Physiologie des Adaptations Nutritionnelles, Université de Nantes, Nantes Atlantique Université, 44096, Nantes, France
| | - Raquel Da Silva Aragão
- INRA, UMR1280 Physiologie des Adaptations Nutritionnelles, Université de Nantes, Nantes Atlantique Université, 44096, Nantes, France
| | - Francisco Bolaños-Jiménez
- INRA, UMR1280 Physiologie des Adaptations Nutritionnelles, Université de Nantes, Nantes Atlantique Université, 44096, Nantes, France
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