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Abstract
Hypothalamic integration of gastrointestinal and adipose tissue-derived hormones serves as a key element of neuroendocrine control of food intake. Leptin, adiponectin, oleoylethanolamide, cholecystokinin, and ghrelin, to name a few, are in a constant "cross talk" with the feeding-related brain circuits that encompass hypothalamic populations synthesizing anorexigens (melanocortins, CART, oxytocin) and orexigens (Agouti-related protein, neuropeptide Y, orexins). While this integrated neuroendocrine circuit successfully ensures that enough energy is acquired, it does not seem to be equally efficient in preventing excessive energy intake, especially in the obesogenic environment in which highly caloric and palatable food is constantly available. The current review presents an overview of intricate mechanisms underlying hypothalamic integration of energy balance-related peripheral endocrine input. We discuss vulnerabilities and maladaptive neuroregulatory processes, including changes in hypothalamic neuronal plasticity that propel overeating despite negative consequences.
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52
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Maternal high-fat diet induces sex-specific endocannabinoid system changes in newborn rats and programs adiposity, energy expenditure and food preference in adulthood. J Nutr Biochem 2018; 51:56-68. [DOI: 10.1016/j.jnutbio.2017.09.019] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 09/28/2017] [Indexed: 12/17/2022]
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53
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Thompson JR, Gustafsson HC, DeCapo M, Takahashi DL, Bagley JL, Dean TA, Kievit P, Fair DA, Sullivan EL. Maternal Diet, Metabolic State, and Inflammatory Response Exert Unique and Long-Lasting Influences on Offspring Behavior in Non-Human Primates. Front Endocrinol (Lausanne) 2018; 9:161. [PMID: 29740395 PMCID: PMC5924963 DOI: 10.3389/fendo.2018.00161] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 03/27/2018] [Indexed: 12/15/2022] Open
Abstract
Nutritional status influences brain health and gestational exposure to metabolic disorders (e.g. obesity and diabetes) increases the risk of neuropsychiatric disorders. The aim of the present study was to further investigate the role of maternal Western-style diet (WSD), metabolic state, and inflammatory factors in the programming of Japanese macaque offspring behavior. Utilizing structural equation modeling, we investigated the relationships between maternal diet, prepregnancy adiposity, third trimester insulin response, and plasma cytokine levels on 11-month-old offspring behavior. Maternal WSD was associated with greater reactive and ritualized anxiety in offspring. Maternal adiposity and third trimester macrophage-derived chemokine (MDC) exerted opposing effects on offspring high-energy outbursts. Elevated levels of this behavior were associated with low maternal MDC and increased prepregnancy adiposity. This is the first study to show that maternal MDC levels influence offspring behavior. We found no evidence suggesting maternal peripheral inflammatory response mediated the effect of maternal diet and metabolic state on aberrant offspring behavior. Additionally, the extent of maternal metabolic impairment differentially influenced chemokine response. Elevated prepregnancy adiposity suppressed third trimester chemokines, while obesity-induced insulin resistance augmented peripheral chemokine levels. WSD also directly increased maternal interleukin-12. This is the first non-human primate study to delineate the effects of maternal diet and metabolic state on gestational inflammatory environment and subsequent offspring behavior. Our findings give insight to the complex mechanisms by which diet, metabolic state, and inflammation during pregnancy exert unique influences on offspring behavioral regulation.
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Affiliation(s)
- Jacqueline R. Thompson
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Hanna C. Gustafsson
- Department of Psychiatry, Oregon Health and Science University, Portland, OR, United States
| | - Madison DeCapo
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Diana L. Takahashi
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Jennifer L. Bagley
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Tyler A. Dean
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Paul Kievit
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Damien A. Fair
- Department of Psychiatry, Oregon Health and Science University, Portland, OR, United States
- Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR, United States
| | - Elinor L. Sullivan
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
- Department of Psychiatry, Oregon Health and Science University, Portland, OR, United States
- Department of Human Physiology, University of Oregon, Eugene, OR, United States
- *Correspondence: Elinor L. Sullivan,
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54
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Smith BL, Reyes TM. Offspring neuroimmune consequences of maternal malnutrition: Potential mechanism for behavioral impairments that underlie metabolic and neurodevelopmental disorders. Front Neuroendocrinol 2017; 47:109-122. [PMID: 28736323 PMCID: PMC8600507 DOI: 10.1016/j.yfrne.2017.07.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 07/19/2017] [Accepted: 07/20/2017] [Indexed: 12/18/2022]
Abstract
Maternal malnutrition significantly increases offspring risk for both metabolic and neurodevelopmental disorders. Animal models of maternal malnutrition have identified behavioral changes in the adult offspring related to executive function and reward processing. Together, these changes in executive and reward-based behaviors likely contribute to the etiology of both metabolic and neurodevelopmental disorders associated with maternal malnutrition. Concomitant with the behavioral effects, maternal malnutrition alters offspring expression of reward-related molecules and inflammatory signals in brain pathways that control executive function and reward. Neuroimmune pathways and microglial interactions in these specific brain circuits, either in early development or later in adulthood, could directly contribute to the maternal malnutrition-induced behavioral phenotypes. Understanding these mechanisms will help advance treatment strategies for metabolic and neurodevelopmental disorders, especially noninvasive dietary supplementation interventions.
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Affiliation(s)
- B L Smith
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati OH, USA
| | - T M Reyes
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati OH, USA.
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55
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Sullivan EL, Rivera HM, True CA, Franco JG, Baquero K, Dean TA, Valleau JC, Takahashi DL, Frazee T, Hanna G, Kirigiti MA, Bauman LA, Grove KL, Kievit P. Maternal and postnatal high-fat diet consumption programs energy balance and hypothalamic melanocortin signaling in nonhuman primate offspring. Am J Physiol Regul Integr Comp Physiol 2017; 313:R169-R179. [PMID: 28404581 PMCID: PMC5582949 DOI: 10.1152/ajpregu.00309.2016] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 02/21/2017] [Accepted: 03/17/2017] [Indexed: 01/02/2023]
Abstract
Maternal high-fat-diet (HFD) consumption during pregnancy decreased fetal body weight and impacted development of hypothalamic melanocortin neural circuitry in nonhuman primate offspring. We investigated whether these impairments during gestation persisted in juvenile offspring and examined the interaction between maternal and early postnatal HFD consumption. Adult dams consumed either a control diet (CTR; 15% calories from fat) or a high-saturated-fat diet (HFD; 37% calories from fat) during pregnancy. Offspring were weaned onto a CTR or HFD at ~8 mo of age. Offspring from HFD-fed dams displayed early catch-up growth and elevated body weight at 6 and 13 mo of age. Maternal and postnatal HFD exposure reduced the amount of agouti-related peptide fibers in the paraventricular nucleus of the hypothalamus. Postnatal HFD consumption also decreased the amount of agouti-related peptide fibers in the arcuate nucleus of the hypothalamus. Postnatal HFD was associated with decreased food intake and increased activity. These results support and extend our previous findings of maternal diet effects on fetal development and reveal, for the first time in a nonhuman primate model, that maternal HFD-induced disturbances in offspring body weight regulation extended past gestation into the juvenile period. Maternal HFD consumption increases the risk for offspring developing obesity, with the developmental timing of HFD exposure differentially impacting the melanocortin system and energy balance regulation. The present findings provide translational insight into human clinical populations, suggesting that profound health consequences may await individuals later in life following intrauterine and postnatal HFD exposure.
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Affiliation(s)
- Elinor L Sullivan
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, Oregon
- Department of Biology, University of Portland, Portland, Oregon; and
| | - Heidi M Rivera
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Cadence A True
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Juliana G Franco
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Karalee Baquero
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Tyler A Dean
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Jeanette C Valleau
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Diana L Takahashi
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Tim Frazee
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Genevieve Hanna
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Melissa A Kirigiti
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Leigh A Bauman
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Kevin L Grove
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
| | - Paul Kievit
- Division of Diabetes, Obesity, and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon
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56
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Mahaney MC, Karere GM, Rainwater DL, Voruganti VS, Dick EJ, Owston MA, Rice KS, Cox LA, Comuzzie AG, VandeBerg JL. Diet-induced early-stage atherosclerosis in baboons: Lipoproteins, atherogenesis, and arterial compliance. J Med Primatol 2017. [PMID: 28620920 DOI: 10.1111/jmp.12283] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND The purpose of this study was to determine whether dietary manipulation can reliably induce early-stage atherosclerosis and clinically relevant changes in vascular function in an established, well-characterized non-human primate model. METHODS We fed 112 baboons a high-cholesterol, high-fat challenge diet for two years. We assayed circulating biomarkers of cardiovascular disease (CVD) risk, at 0, 7, and 104 weeks into the challenge; assessed arterial compliance noninvasively at 104 weeks; and measured atherosclerotic lesions in three major arteries at necropsy. RESULTS We observed evidence of atherosclerosis in all but one baboon fed the two-year challenge diet. CVD risk biomarkers, the prevalence, size, and complexity of arterial lesions, plus consequent arterial stiffness, were increased in comparison with dietary control animals. CONCLUSIONS Feeding baboons a high-cholesterol, high-fat diet for two years reliably induces atherosclerosis, with risk factor profiles, arterial lesions, and changes in vascular function also seen in humans.
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Affiliation(s)
- Michael C Mahaney
- South Texas Diabetes and Obesity Institute, School of Medicine, The University of Texas Rio Grande Valley, Brownsville, TX, USA
| | - Genesio M Karere
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - David L Rainwater
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Venkata S Voruganti
- Department of Nutrition and UNC Nutrition Research Institute, University of North Carolina, Kannapolis, NC, USA
| | - Edward J Dick
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Michael A Owston
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Karen S Rice
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Laura A Cox
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, USA.,Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Anthony G Comuzzie
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, USA.,Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - John L VandeBerg
- South Texas Diabetes and Obesity Institute, School of Medicine, The University of Texas Rio Grande Valley, Brownsville, TX, USA
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57
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Paradis J, Boureau P, Moyon T, Nicklaus S, Parnet P, Paillé V. Perinatal Western Diet Consumption Leads to Profound Plasticity and GABAergic Phenotype Changes within Hypothalamus and Reward Pathway from Birth to Sexual Maturity in Rat. Front Endocrinol (Lausanne) 2017; 8:216. [PMID: 28900415 PMCID: PMC5581815 DOI: 10.3389/fendo.2017.00216] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 08/11/2017] [Indexed: 12/24/2022] Open
Abstract
Perinatal maternal consumption of energy dense food increases the risk of obesity in children. This is associated with an overconsumption of palatable food that is consumed for its hedonic property. The underlying mechanism that links perinatal maternal diet and offspring preference for fat is still poorly understood. In this study, we aim at studying the influence of maternal high-fat/high-sugar diet feeding [western diet (WD)] during gestation and lactation on the reward pathways controlling feeding in the rat offspring from birth to sexual maturity. We performed a longitudinal follow-up of WD and Control offspring at three critical time periods (childhood, adolescence, and adulthood) and focus on investigating the influence of perinatal exposure to palatable diet on (i) fat preference, (ii) gene expression profile, and (iii) neuroanatomical/architectural changes of the mesolimbic dopaminergic networks. We showed that WD feeding restricted to the perinatal period has a clear long-lasting influence on the organization of homeostatic and hedonic brain circuits but not on fat preference. We demonstrated a period specific evolution of the preference for fat that we correlated with specific brain molecular signatures. In offspring from WD fed dams, we observed during childhood the existence of fat preference associated with a higher expression of key gene involved in the dopamine (DA) systems; at adolescence, a high-fat preference for both groups, progressively reduced during the 3 days test for the WD group and associated with a reduced expression of key gene involved in the DA systems for the WD group that could suggest a compensatory mechanism to protect them from further high-fat exposure; and finally at adulthood, a preference for fat that was identical to control rats but associated with profound modification in key genes involved in the γ-aminobutyric acid network, serotonin receptors, and polysialic acid-NCAM-dependent remodeling of the hypothalamus. Altogether, these data reveal that maternal WD, restricted to the perinatal period, has no sustained impact on energy homeostasis and fat preference later in life even though a strong remodeling of the hypothalamic homeostatic and reward pathway involved in eating behavior occurred. Further functional experiments would be needed to understand the relevance of these circuits remodeling.
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Affiliation(s)
- Julie Paradis
- UMR 1280 Physiologie des Adaptations Nutritionnelles (PhAN), INRA, Université de Nantes, Institut des Maladies de l’Appareil Digestif (IMAD), Nantes, France
| | - Pierre Boureau
- UMR 1280 Physiologie des Adaptations Nutritionnelles (PhAN), INRA, Université de Nantes, Institut des Maladies de l’Appareil Digestif (IMAD), Nantes, France
| | - Thomas Moyon
- UMR 1280 Physiologie des Adaptations Nutritionnelles (PhAN), INRA, Université de Nantes, Institut des Maladies de l’Appareil Digestif (IMAD), Nantes, France
| | - Sophie Nicklaus
- UMR 1324 Centre des Sciences du Goût et de l’Alimentation (CSGA), INRA, CNRS, Université de Bourgogne, Dijon, France
| | - Patricia Parnet
- UMR 1280 Physiologie des Adaptations Nutritionnelles (PhAN), INRA, Université de Nantes, Institut des Maladies de l’Appareil Digestif (IMAD), Nantes, France
- *Correspondence: Patricia Parnet, ; Vincent Paillé,
| | - Vincent Paillé
- UMR 1280 Physiologie des Adaptations Nutritionnelles (PhAN), INRA, Université de Nantes, Institut des Maladies de l’Appareil Digestif (IMAD), Nantes, France
- *Correspondence: Patricia Parnet, ; Vincent Paillé,
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58
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Reynolds CM, Segovia SA, Vickers MH. Experimental Models of Maternal Obesity and Neuroendocrine Programming of Metabolic Disorders in Offspring. Front Endocrinol (Lausanne) 2017; 8:245. [PMID: 28993758 PMCID: PMC5622157 DOI: 10.3389/fendo.2017.00245] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 09/06/2017] [Indexed: 12/17/2022] Open
Abstract
Evidence from epidemiological, clinical, and experimental studies have clearly shown that disease risk in later life is increased following a poor early life environment, a process preferentially termed developmental programming. In particular, this work clearly highlights the importance of the nutritional environment during early development with alterations in maternal nutrition, including both under- and overnutrition, increasing the risk for a range of cardiometabolic and neurobehavioral disorders in adult offspring characterized by both adipokine resistance and obesity. Although the mechanistic basis for such developmental programming is not yet fully defined, a common feature derived from experimental animal models is that of alterations in the wiring of the neuroendocrine pathways that control energy balance and appetite regulation during early stages of developmental plasticity. The adipokine leptin has also received significant attention with clear experimental evidence that normal regulation of leptin levels during the early life period is critical for the normal development of tissues and related signaling pathways that are involved in metabolic and cardiovascular homeostasis. There is also increasing evidence that alterations in the epigenome and other underlying mechanisms including an altered gut-brain axis may contribute to lasting cardiometabolic dysfunction in offspring. Ongoing studies that further define the mechanisms between these associations will allow for identification of early risk markers and implementation of strategies around interventions that will have obvious beneficial implications in breaking a programmed transgenerational cycle of metabolic disorders.
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Affiliation(s)
| | | | - Mark H. Vickers
- Liggins Institute, University of Auckland, Auckland, New Zealand
- *Correspondence: Mark H. Vickers,
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59
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Thompson JR, Valleau JC, Barling AN, Franco JG, DeCapo M, Bagley JL, Sullivan EL. Exposure to a High-Fat Diet during Early Development Programs Behavior and Impairs the Central Serotonergic System in Juvenile Non-Human Primates. Front Endocrinol (Lausanne) 2017; 8:164. [PMID: 28785241 PMCID: PMC5519527 DOI: 10.3389/fendo.2017.00164] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 06/27/2017] [Indexed: 12/29/2022] Open
Abstract
Perinatal exposure to maternal obesity and high-fat diet (HFD) consumption not only poses metabolic risks to offspring but also impacts brain development and mental health. Using a non-human primate model, we observed a persistent increase in anxiety in juvenile offspring exposed to a maternal HFD. Postweaning HFD consumption also increased anxiety and independently increased stereotypic behaviors. These behavioral changes were associated with modified cortisol stress response and impairments in the development of the central serotonin synthesis, with altered tryptophan hydroxylase-2 mRNA expression in the dorsal and median raphe. Postweaning HFD consumption decreased serotonergic immunoreactivity in area 10 of the prefrontal cortex. These results suggest that perinatal exposure to HFD consumption programs development of the brain and endocrine system, leading to behavioral impairments associated with mental health and neurodevelopmental disorders. Also, an early nutritional intervention (consumption of the control diet at weaning) was not sufficient to ameliorate many of the behavioral changes, such as increased anxiety, that were induced by maternal HFD consumption. Given the level of dietary fat consumption and maternal obesity in developed nations these findings have important implications for the mental health of future generations.
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Affiliation(s)
- Jacqueline R. Thompson
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Jeanette C. Valleau
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Ashley N. Barling
- Department of Biology, University of Portland, Portland, OR, United States
| | - Juliana G. Franco
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Madison DeCapo
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Jennifer L. Bagley
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
| | - Elinor L. Sullivan
- Division of Neuroscience, Oregon National Primate Research Center, Beaverton, OR, United States
- Division of Cardiometabolic Health, Oregon National Primate Research Center, Beaverton, OR, United States
- Department of Biology, University of Portland, Portland, OR, United States
- *Correspondence: Elinor L. Sullivan,
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60
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Kong KL, Epstein LH. Food reinforcement during infancy. Prev Med 2016; 92:100-105. [PMID: 27373207 PMCID: PMC5361189 DOI: 10.1016/j.ypmed.2016.06.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 06/24/2016] [Accepted: 06/27/2016] [Indexed: 11/26/2022]
Abstract
The motivation to eat, as operationalized by measuring how hard someone will work for food, is cross-sectionally and prospectively related to obesity. Persons high in food reinforcement consume more calories, and energy intake mediates the relationship between food reinforcement and obesity. Research has shown avid sucking for milk in early infancy predicts later adiposity, and the relationship between food reinforcement and excess body weight has been observed in infants as young as 9months of age. New methodological developments in studying food reinforcement in infants and young children provide the first opportunity to study the origin of food reinforcement. This review seeks to provide background on the measurement of food reinforcement, and to present, for the first time, prenatal and postnatal predictors of infant food reinforcement. Lastly, potential mechanisms for an increasing trajectory of food reinforcement throughout development are proposed.
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Affiliation(s)
- Kai Ling Kong
- Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, 3435 Main Street, Buffalo, NY, 14214-3000, United States.
| | - Leonard H Epstein
- Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, 3435 Main Street, Buffalo, NY, 14214-3000, United States.
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61
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McCurdy CE, Schenk S, Hetrick B, Houck J, Drew BG, Kaye S, Lashbrook M, Bergman BC, Takahashi DL, Dean TA, Nemkov T, Gertsman I, Hansen KC, Philp A, Hevener AL, Chicco AJ, Aagaard KM, Grove KL, Friedman JE. Maternal obesity reduces oxidative capacity in fetal skeletal muscle of Japanese macaques. JCI Insight 2016; 1:e86612. [PMID: 27734025 DOI: 10.1172/jci.insight.86612] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Maternal obesity is proposed to alter the programming of metabolic systems in the offspring, increasing the risk for developing metabolic diseases; however, the cellular mechanisms remain poorly understood. Here, we used a nonhuman primate model to examine the impact of a maternal Western-style diet (WSD) alone, or in combination with obesity (Ob/WSD), on fetal skeletal muscle metabolism studied in the early third trimester. We find that fetal muscle responds to Ob/WSD by upregulating fatty acid metabolism, mitochondrial complex activity, and metabolic switches (CPT-1, PDK4) that promote lipid utilization over glucose oxidation. Ob/WSD fetuses also had reduced mitochondrial content, diminished oxidative capacity, and lower mitochondrial efficiency in muscle. The decrease in oxidative capacity and glucose metabolism was persistent in primary myotubes from Ob/WSD fetuses despite no additional lipid-induced stress. Switching obese mothers to a healthy diet prior to pregnancy did not improve fetal muscle mitochondrial function. Lastly, while maternal WSD alone led only to intermediary changes in fetal muscle metabolism, it was sufficient to increase oxidative damage and cellular stress. Our findings suggest that maternal obesity or WSD, alone or in combination, leads to programmed decreases in oxidative metabolism in offspring muscle. These alterations may have important implications for future health.
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Affiliation(s)
- Carrie E McCurdy
- Department of Human Physiology, University of Oregon, Eugene, Oregon, USA.,Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Simon Schenk
- Department of Orthopaedic Surgery, University of California, San Diego, La Jolla, California, USA
| | - Byron Hetrick
- Department of Human Physiology, University of Oregon, Eugene, Oregon, USA
| | - Julie Houck
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Brian G Drew
- David Geffen School of Medicine, Department of Medicine, Division of Endocrinology, Diabetes and Hypertension, University of California, Los Angeles, Los Angeles, California, USA.,Diabetes and Dyslipidaemia Laboratory, Baker IDI Heart and Diabetes Institute, Prahran, Victoria, Australia
| | - Spencer Kaye
- Departments of Health and Exercise Science and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Melanie Lashbrook
- Departments of Health and Exercise Science and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Bryan C Bergman
- Division of Endocrinology, Metabolism, and Diabetes, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Diana L Takahashi
- Division of Diabetes, Obesity and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon, USA
| | - Tyler A Dean
- Division of Diabetes, Obesity and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon, USA
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Ilya Gertsman
- Department of Pediatrics, University of California, San Diego, La Jolla, California, USA
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Andrew Philp
- School of Sport Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom
| | - Andrea L Hevener
- David Geffen School of Medicine, Department of Medicine, Division of Endocrinology, Diabetes and Hypertension, University of California, Los Angeles, Los Angeles, California, USA
| | - Adam J Chicco
- Departments of Health and Exercise Science and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Kjersti M Aagaard
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas, USA
| | - Kevin L Grove
- Division of Diabetes, Obesity and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon, USA.,Novo Nordisk Research Center, Seattle, Washington, USA
| | - Jacob E Friedman
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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62
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A review of fundamental principles for animal models of DOHaD research: an Australian perspective. J Dev Orig Health Dis 2016; 7:449-472. [DOI: 10.1017/s2040174416000477] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Epidemiology formed the basis of ‘the Barker hypothesis’, the concept of ‘developmental programming’ and today’s discipline of the Developmental Origins of Health and Disease (DOHaD). Animal experimentation provided proof of the underlying concepts, and continues to generate knowledge of underlying mechanisms. Interventions in humans, based on DOHaD principles, will be informed by experiments in animals. As knowledge in this discipline has accumulated, from studies of humans and other animals, the complexity of interactions between genome, environment and epigenetics, has been revealed. The vast nature of programming stimuli and breadth of effects is becoming known. As a result of our accumulating knowledge we now appreciate the impact of many variables that contribute to programmed outcomes. To guide further animal research in this field, the Australia and New Zealand DOHaD society (ANZ DOHaD) Animals Models of DOHaD Research Working Group convened at the 2nd Annual ANZ DOHaD Congress in Melbourne, Australia in April 2015. This review summarizes the contributions of animal research to the understanding of DOHaD, and makes recommendations for the design and conduct of animal experiments to maximize relevance, reproducibility and translation of knowledge into improving health and well-being.
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Stoeckel LE, Arvanitakis Z, Gandy S, Small D, Kahn CR, Pascual-Leone A, Pawlyk A, Sherwin R, Smith P. Complex mechanisms linking neurocognitive dysfunction to insulin resistance and other metabolic dysfunction. F1000Res 2016; 5:353. [PMID: 27303627 PMCID: PMC4897751 DOI: 10.12688/f1000research.8300.2] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/31/2016] [Indexed: 01/12/2023] Open
Abstract
Scientific evidence has established several links between metabolic and neurocognitive dysfunction, and epidemiologic evidence has revealed an increased risk of Alzheimer’s disease and vascular dementia in patients with diabetes. In July 2015, the National Institute of Diabetes, Digestive, and Kidney Diseases gathered experts from multiple clinical and scientific disciplines, in a workshop entitled “The Intersection of Metabolic and Neurocognitive Dysfunction”, to clarify the state-of-the-science on the mechanisms linking metabolic dysfunction, and insulin resistance and diabetes in particular, to neurocognitive impairment and dementia. This perspective is intended to serve as a summary of the opinions expressed at this meeting, which focused on identifying gaps and opportunities to advance research in this emerging area with important public health relevance.
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Affiliation(s)
- Luke E Stoeckel
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Zoe Arvanitakis
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL, USA
| | - Sam Gandy
- Icahn School of Medicine and James J. Peters VAMC, New York, NY, USA
| | - Dana Small
- Yale University School of Medicine, New Haven, CT, USA
| | - C Ronald Kahn
- Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Alvaro Pascual-Leone
- Berenson-Allen Center for Noninvasive Brain Stimulation and Division for Cognitive Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Aaron Pawlyk
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | | | - Philip Smith
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
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