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Bénard M, Robert M, Méjean C, Allès B, Kesse-Guyot E, Paolassini-Guesnier P, Bellisle F, Etilé F, Reach G, Hercberg S, Touvier M, Péneau S. The association between consideration of future consequences and food intake is mediated by food choice motives in a French adult population. Public Health Nutr 2024; 27:e82. [PMID: 38326937 DOI: 10.1017/s1368980023002501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
OBJECTIVES Consideration of future consequences (CFC) distinguishes individuals who adopt behaviours based on immediate needs and concerns from individuals who consider the future consequences of their behaviours. We aimed to assess the association between CFC and diet, and testing the mediating role of food choice motives on this relationship. DESIGN Individuals (aged ≥ 18 years) completed the CFC-12 questionnaire in 2014, at least three 24-h dietary records, and a food choice motive questionnaire. A multiple mediator analysis allowed to assess the mediating effect of food choice motives on the cross-sectional association between CFC and diet, adjusted for socio-demographic factors. SETTING Data from the NutriNet-Santé cohort study. PARTICIPANTS 27 330 participants. RESULTS CFC was associated with all food choice motives (P < 0·001), with the strongest positive associations for avoidance for environmental reasons, absence of contaminants and health motives and the strongest negative associations for innovation and convenience. Positive total effects were found between CFC and the consumption of healthy food groups (fruits and vegetables, whole-grain foods, legumes), and negative total effects for alcohol, meat and poultry and processed meat (P < 0·001). CFC was positively associated with diet quality (P < 0·001). Across food groups, major mediators of these relationships were higher health (8·4-32·6%), higher environmental (13·7-22·1 %) and lower innovation (7·3-25·1 %) concerns. CONCLUSIONS CFC was associated with healthier dietary intake, essentially mediated by a greater motivation of future-oriented participants for self-centred and altruistic outcomes, including health and environment. Focusing on the awareness of future benefits in public health interventions might lead to healthier dietary behaviours.
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Affiliation(s)
- Marc Bénard
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - Margaux Robert
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - Caroline Méjean
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
- MOISA, Univ Montpellier, INRAE, CIRAD, CIHEAM-IAMM, Montpellier SupAgro, Montpellier, France
| | - Benjamin Allès
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - Emmanuelle Kesse-Guyot
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - Pauline Paolassini-Guesnier
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - France Bellisle
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - Fabrice Etilé
- Paris School of Economics and INRAE, UMR1393 PjSE, 48 Boulevard Jourdan, Paris, France
| | - Gérard Reach
- Department of Endocrinology, Diabetes and Metabolic Diseases, Avicenne Hospital, Bobigny, France
| | - Serge Hercberg
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
- Public Health Department, Avicenne Hospital, Bobigny, France
| | - Mathilde Touvier
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
| | - Sandrine Péneau
- Sorbonne Paris Nord University, Inserm U1153, Inrae U1125, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris (CRESS), 74, rue Marcel Cachin, 93017Bobigny, France
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Vosoughi A, Zendehdel M, Hassanpour S. Central effects of the serotoninergic, GABAergic, and cholecystokinin systems on neuropeptide VF (NPVF)-induced hypophagia and feeding behavior in neonatal broiler chicken. Neurosci Lett 2024; 818:137557. [PMID: 37972685 DOI: 10.1016/j.neulet.2023.137557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
The study was performed to evaluate the role of central serotoninergic, GABAergic, and cholecystokinin systems in neuropeptide VF (NPVF)-induced hypophagia in broiler chickens. In this study, 9 experiments were designed, each with one control and three treatment groups (n = 44 in each experiment). Control chicks of all groups were subjected to normal saline + Evans blue 0.1 % Intracerebroventricular (ICV) injection. In the first experiment, 3 groups of chicks received NPVF (4, 8, and 16 nmol). In experiment 2-9, one group of chicks received NPVF (16 nmol), another received 10 µg fluoxetine (serotonin reuptake inhibitor) (experiment 2), 1.25 µg PCPA (serotonin synthesis inhibitor) (experiment 3), 1.5 µg SB-242,084 (5-HT2C receptor antagonist) (experiment 4), 15.25 nmol 8-OH-DPAT (5-HT1A receptor antagonist) (experiment 5), 0.5 µg picrotoxin (GABAA receptor antagonist) (experiment 6), 20 ng CGP54626 (GABAB receptor antagonist) (experiment 7), 1 nmol devazepide (CCKA receptor antagonist) (experiment 8), and 1 nmol/L-365(-|-),260 (CCKB receptor antagonist) (experiment 9), and another final group received combination of specific neurotransmitter + NPVF Then, the cumulative food intake was measured until 120 min post-injection. ICV injection of NPVF (8 and 16 nmol) significantly decreased food intake (P < 0.05). Simultaneous injection of fluoxetine + NPVF and also picrotoxin + NPVF significantly increased hypophagia caused by NPVF (P < 0.05). However, co-administration of PCPA + NPVF and also SB242084 + NPVF significantly decreased NPVF-induced hypophagia (P < 0.05). Finally, 8-OH-DPAT, CGP54626, devazepide, and L-365,260 had no effect on the hypophagia brought on by NPVF (P > 0.05). Count-type behaviors were dose-dependent and decreased in groups that received NPVF compared to the control group (P < 0.05). Our finding recommended an interconnection between central NPVF and serotoninergic, GABAergic, and cholecystokinin systems in neonatal chickens.
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Affiliation(s)
- Anahita Vosoughi
- Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tehran, 14155-6453 Tehran, Iran
| | - Morteza Zendehdel
- Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tehran, 14155-6453 Tehran, Iran.
| | - Shahin Hassanpour
- Department of Basic Sciences, Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Wunderlich ALM, Martins AB, de Souza CF, Stopa LRS, Monteiro ÉCAM, Aguiar DD, Guergolette RP, Zaia CTBV, Uchôa ET. Neonatal overnutrition, but not neonatal undernutrition, disrupts CCK-induced hypophagia and neuron activation of the nucleus of the solitary tract and paraventricular nucleus of hypothalamus of male Wistar rats. Brain Res Bull 2023; 195:109-119. [PMID: 36813046 DOI: 10.1016/j.brainresbull.2023.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 02/16/2023] [Accepted: 02/18/2023] [Indexed: 02/22/2023]
Abstract
Metabolic programming may be induced by reduction or enhancement of litter size, which lead to neonatal over or undernutrition, respectively. Changes in neonatal nutrition can challenge some regulatory processes in adulthood, such as the hypophagic effect of cholecystokinin (CCK). In order to investigate the effects of nutritional programming on the anorexigenic function of CCK in adulthood, pups were raised in small (SL, 3 pups per dam), normal (NL, 10 pups per dam), or large litters (LL, 16 pups per dam), and on postnatal day 60, male rats were treated with vehicle or CCK (10 µg/Kg) for the evaluation of food intake and c-Fos expression in the area postrema (AP), nucleus of solitary tract (NTS), and paraventricular (PVN), arcuate (ARC), ventromedial (VMH), and dorsomedial (DMH) nuclei of the hypothalamus. Overnourished rats showed increased body weight gain that was inversely correlated with neuronal activation of PaPo, VMH, and DMH neurons, whereas undernourished rats had lower body weight gain, inversely correlated with increased neuronal activation of PaPo only. SL rats showed no anorexigenic response and lower neuron activation in the NTS and PVN induced by CCK. LL exhibited preserved hypophagia and neuron activation in the AP, NTS, and PVN in response to CCK. CCK showed no effect in c-Fos immunoreactivity in the ARC, VMH, and DMH in any litter. These results indicate that anorexigenic actions, associated with neuron activation in the NTS and PVN, induced by CCK were impaired by neonatal overnutrition. However, these responses were not disrupted by neonatal undernutrition. Thus, data suggest that an excess or poor supply of nutrients during lactation display divergent effects on programming CCK satiation signaling in male adult rats.
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Affiliation(s)
| | - Andressa Busetti Martins
- Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Camila Franciele de Souza
- Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Larissa Rugila S Stopa
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil
| | | | - Danielly D Aguiar
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Rhauany P Guergolette
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Cássia Thaïs B V Zaia
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil; Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil; Department of Physiological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Ernane Torres Uchôa
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil; Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, PR, Brazil; Department of Physiological Sciences, State University of Londrina, Londrina, PR, Brazil.
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Duan H, He F, Wang W, Wang Y, Yang C, Lin Y, Li M, Lu Y. Glucose-independent insulin and glucagon secreted from ventral pancreas sharing a similar pattern in healthy adult rat. Vet Res Forum 2022; 13:309-313. [PMID: 36320302 PMCID: PMC9548220 DOI: 10.30466/vrf.2021.138754.3087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 03/01/2021] [Indexed: 11/08/2022]
Abstract
Elevated blood glucose concentration due to food intake will trigger insulin secretion from the dorsal pancreas has been extensively studied. This increased intracellular insulin level can stimulate glucagon release from intra-islets. However, the interaction between glucagon and insulin under a fasting state is unknown. To explore the relationship, we partially removed the ventral and dorsal pancreas on wild-type adult rats. The glucose tolerance test was conducted to measure influence of the surgery on the integrity function of the pancreas. The fasting insulin/glucagon level before and after surgery were measured by the ELISA kit. The statistical analyses indicated that the ventral removal of the pancreas had higher fasting glucose than that of dorsal removal. And only the ventral removal group showed significantly increased basal insulin and basal glucagon levels. Our findings showed differential role of the ventral pancreas in response to a glucose-free stimulus and also provided the possible in vitro target for developing the anti-hyperglycemic drugs.
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Affiliation(s)
- Hao Duan
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, China
| | - Fei He
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, China
| | - Weizhou Wang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, China; ,Medical School, Kunming Medical University, Kunming, Yunnan, China
| | - Yanghao Wang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, China; ,Medical School, Kunming Medical University, Kunming, Yunnan, China
| | - Chenli Yang
- Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Yihan Lin
- HKU-Pasteur Research Pole, Hong Kong, China
| | - Ming Li
- Department of Physiology, School of Medicine, Tulane University, New Orleans, USA
| | - You Lu
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, China; ,Department of Pathology and Laboratory Medicine, Tulane University, New Orleans, USA.,Correspondence: You Lu. PhD, Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming Yunnan, China
- Department of Pathology and Laboratory Medicine, Tulane University, New Orleans, USA. E-mail:
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Magnan C, Le Stunff H. Role of hypothalamic de novo ceramides synthesis in obesity and associated metabolic disorders. Mol Metab 2021; 53:101298. [PMID: 34273578 PMCID: PMC8353504 DOI: 10.1016/j.molmet.2021.101298] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/28/2021] [Accepted: 07/09/2021] [Indexed: 12/31/2022] Open
Abstract
Background Sphingolipid-mediated signalling pathways are described as important players in the normal functioning of neurons and nonneuronal cells in the central nervous system (CNS). Scope of review This review aims to show role of de novo ceramide synthesis in the CNS in controling key physiological processes, including food intake, energy expenditure, and thermogenesis. The corollary is a condition that leads to a dysfunction in ceramide metabolism in these central regions that can have major consequences on the physiological regulation of energy balance. Major conclusions Excessive hypothalamic de novo ceramide synthesis has been shown to result in the establishment of central insulin resistance, endoplasmic reticulum stress, and inflammation. Additionally, excessive hypothalamic de novo ceramide synthesis has also been associated with changes in the activity of the autonomic nervous system. Such dysregulation of hypothalamic de novo ceramide synthesis forms the key starting point for the initiation of pathophysiological conditions such as obesity – which may or may not be associated with type 2 diabetes.
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Affiliation(s)
| | - Hervé Le Stunff
- CNRS UMR 9198 Institut des Neurosciences Paris Saclay (Neuro-PSI), Université Paris-Saclay, Saclay, France.
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Abstract
Automatic Ingestion Monitor v2 (AIM-2) is an egocentric camera and sensor that aids monitoring of individual diet and eating behavior by capturing still images throughout the day and using sensor data to detect eating. The images may be used to recognize foods being eaten, eating environment, and other behaviors and daily activities. At the same time, captured images may carry privacy concerning content such as (1) people in social eating and/or bystanders (i.e., bystander privacy); (2) sensitive documents that may appear on a computer screen in the view of AIM-2 (i.e., context privacy). In this paper, we propose a novel approach based on automatic, image redaction for privacy protection by selective content removal by semantic segmentation using a deep learning neural network. The proposed method reported a bystander privacy removal with precision of 0.87 and recall of 0.94 and reported context privacy removal by precision and recall of 0.97 and 0.98. The results of the study showed that selective content removal using deep learning neural network is a much more desirable approach to address privacy concerns for an egocentric wearable camera for nutritional studies.
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Affiliation(s)
- M A Hassan
- Department of Electrical and Computer Engineering, The University of Alabama, Tuscaloosa, Al, 35401 USA
| | - E Sazonov
- Department of Electrical and Computer Engineering, The University of Alabama, Tuscaloosa, Al, 35401 USA
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Liu W, Perkhounkova E, Williams K, Batchelor M, Hein M. Food intake is associated with verbal interactions between nursing home staff and residents with dementia: A secondary analysis of videotaped observations. Int J Nurs Stud 2020; 109:103654. [PMID: 32535342 PMCID: PMC7540727 DOI: 10.1016/j.ijnurstu.2020.103654] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/15/2020] [Accepted: 05/15/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Nursing home residents with dementia commonly experience low food intake, leading to negative functional and nutritional consequences. While the importance of staff-resident (dyadic) interactions during mealtime is acknowledged, little research has examined the role of dyadic verbal interactions on food intake. OBJECTIVES This study aimed to examine the relationship between food intake and dyadic verbal interactions. METHODS This study was a secondary analysis of 110 videotaped observations of mealtime care interactions among 25 residents with dementia and 29 staff (42 unique dyads) in 9 nursing homes. Staff positive utterances and resident positive and negative utterances (independent variables) and food intake (dependent variable) were coded from the videotaped observations using the Cue Utilization and Engagement in Dementia video coding scheme. A linear mixed model was fit to the data. The two-way interaction effects of food type and video duration with each independent variable as well as two-way interaction effects among the independent variables were tested. Covariates included in the model were the number of years staff worked as a caregiver, and resident age, gender, and eating function. RESULTS The model included three significant interaction effects involving verbal variables: the interaction effect of staff positive utterances with resident positive utterances (p=.030), the interaction effect of staff positive utterances with food type (p=.027), and the interaction effect of resident negative utterances with video duration (p=0.002). Increased number of intakes of liquid food per minute was associated with increased number of staff positive utterances per minute when residents did not make positive utterances. Decreased number of intakes of solid food per minute was associated with increased number of staff positive utterances per minute, especially when residents made between 0 and 3 positive utterances per minute. As the duration of the videos increased, the number of intakes per minute increased for residents who made one or more negative utterances and decreased for residents who made no negative utterances in the videos. The number of intakes per minute was associated with resident gender in that male residents had increased number of intakes per minute compared with female residents (p=.017), and was not associated with other participant characteristics. CONCLUSION Intake was associated with dyadic verbal interactions, and such relationship was complex in that it was moderated by food type and video duration. Findings support the significant role of dyadic verbal interactions on intake, and inform the development of effective, tailored mealtime care interventions to promote intake.
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Affiliation(s)
- Wen Liu
- The University of Iowa, College of Nursing, Iowa City, IA, USA.
| | | | | | - Melissa Batchelor
- George Washington University, School of Nursing, Washington, D.C., USA
| | - Maria Hein
- The University of Iowa, College of Nursing, Iowa City, IA, USA
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Assis APM, de Oliveira BTN, Gomes AL, Soares ADN, Guimarães NS, Gomes JMG. The association between nutritional status, advanced activities of daily living, and cognitive function among Brazilian older adults living in care homes. Geriatr Nurs 2020; 41:899-904. [PMID: 32653259 DOI: 10.1016/j.gerinurse.2020.06.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/18/2020] [Accepted: 06/22/2020] [Indexed: 11/29/2022]
Abstract
Institutionalized older adults are at greater risk of malnutrition, which is associated with cognitive impairment. This study investigated the association between nutritional status, advanced activities of daily living (AADL), and cognitive function among Brazilian older adults living in care homes. This cross-sectional study was conducted on 95 older adults (73.3 ± 12.5 years). Socio-demographic variables, cognitive function (measured by Mini Mental State Examination - MMSE), AADL, Mini Nutritional Assessment (MNA), and anthropometric variables were assessed. Regarding MNA, 37.8% were malnourished, 47.3% were at risk of malnutrition, and 14.9% were well-nourished. Malnourished participants (37.8%) and those with fewer number of AADL (82.3%) showed cognitive decline (MMSE < 24) (p = 0.000 and 0.030, respectively). Inadequate waist-hip ratio was associated with cognitive decline (OR 9.3; 95% IC, 9.06 - 9.85; p = 0.03). Nutritional status and AADL were associated with cognitive function. Nutritional assessment helps to early identify malnutrition and possibly to prevent cognitive impairment.
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Affiliation(s)
| | | | - Arlindo Leandro Gomes
- Instituto Federal do Sudeste de Minas Gerais, Campus Barbacena, Barbacena, MG, Brazil
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Pedroso JAB, Wasinski F, Donato J. Prolonged fasting induces long-lasting metabolic consequences in mice. J Nutr Biochem 2020; 84:108457. [PMID: 32738733 DOI: 10.1016/j.jnutbio.2020.108457] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 12/11/2022]
Abstract
To endure prolonged fasting, animals undergo important acute physiological adjustments. However, whether severe fasting also leads to long-term metabolic adaptations is largely unknown. Forty-eight-hour fasting caused a pronounced weight loss in adult C57BL/6 male mice. Seven days of refeeding increased body adiposity to levels above baseline, whereas fasting-induced reductions in lean body mass and energy expenditure were not fully recovered. Respiratory exchange ratio and locomotor activity also remained altered. A fasting/refeeding cycle led to persistent suppression of Pomc mRNA levels and significant changes in the expression of histone deacetylases and DNA methyltransferases in the hypothalamus. Additionally, histone acetylation in the ventromedial nucleus of the hypothalamus was reduced by prolonged fasting and remained suppressed after refeeding. Mice subjected to 48-h fasting 30 days earlier exhibited higher body weight and fat mass compared to aged-matched animals that were never food-deprived. Furthermore, a previous fasting experience altered the changes in body weight, lean mass, energy expenditure and locomotor activity induced by a second cycle of fasting and refeeding. Notably, when acutely exposed to high-palatable/high-fat diet, mice that went through cumulative fasting episodes presented higher calorie intake and reduced energy expenditure and fat oxidation, compared to mice that had never been subjected to fasting. When chronically exposed to high-fat diet, mice that experienced cumulative fasting episodes showed higher gain of body and fat mass and reduced energy expenditure and calorie intake. In summary, cumulative episodes of prolonged fasting lead to hypothalamic epigenetic changes and long-lasting metabolic adaptations in mice.
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Affiliation(s)
- João A B Pedroso
- Universidade de São Paulo, Instituto de Ciências Biomédicas, Departamento de Fisiologia e Biofísica, São Paulo, 05508-000, Brazil
| | - Frederick Wasinski
- Universidade de São Paulo, Instituto de Ciências Biomédicas, Departamento de Fisiologia e Biofísica, São Paulo, 05508-000, Brazil
| | - Jose Donato
- Universidade de São Paulo, Instituto de Ciências Biomédicas, Departamento de Fisiologia e Biofísica, São Paulo, 05508-000, Brazil.
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Bricarello LP, de Moura Souza A, de Almeida Alves M, Retondario A, Fernandes R, Santos de Moraes Trindade EB, Zanette Ramos Zeni LA, de Assis Guedes de Vasconcelos F. Association between DASH diet (Dietary Approaches to Stop Hypertension) and hypertension in adolescents: A cross-sectional school-based study. Clin Nutr ESPEN 2020; 36:69-75. [PMID: 32220371 DOI: 10.1016/j.clnesp.2020.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 01/21/2020] [Accepted: 02/09/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND & AIMS The DASH diet (Dietary Approaches to Stop Hypertension) is considered a healthy dietary pattern, and is recommended for the control of arterial hypertension (AH). However, its role in the adolescent population needs to be better investigated and clarified. The aim of this study is to identify the association between AH and the DASH diet score in a representative sample of Brazilian adolescents. METHODS A cross-sectional study using data from a national, multicenter and schoolbased probabilistic sample of 71,553 Brazilian adolescents who had their blood pressure (BP) measured and completed a 24-hour dietary recall (2013-2014). The components of the DASH score were assessed. Logistic regression models were used to evaluate the association between AH, anthropometric and sociodemographic variables, and the tertile of the DASH score. RESULTS Approximately 11% of the adolescents who were in the 3rd tertile of the DASH score presented AH, 18% were overweight and 9% were obese. Among the components of the score, the highest intake was sugar-sweetened beverages (92.1%), legumes and oilseeds (68.2%), red and processed meat (64.5%) and the lowest were low-fat dairy (2.2%), whole grains (11.6%) and fruits (18.1%). Sodium intake was above the maximum recommended in all tertiles. CONCLUSIONS A small proportion of Brazilian adolescents consume foods from the DASH diet. No associations were found between this dietary pattern and AH. Strategies to increase the intake of protective foods in adolescents must be investigated as well as the potential health benefits of the standard DASH diet for this age group over time.
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Affiliation(s)
- Liliana Paula Bricarello
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil.
| | - Amanda de Moura Souza
- Institute of Study in Public Health, Federal University of Rio de Janeiro, Ilha Do Fundão, Cidade Universitária, Rio de Janeiro, 21941-598, Brazil
| | - Mariane de Almeida Alves
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Anabelle Retondario
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Ricardo Fernandes
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | | | - Lúcia Andreia Zanette Ramos Zeni
- Professors of the Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
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Aji AS, Yerizel E, Desmawati D, Lipoeto NI. Low Maternal Vitamin D and Calcium Food Intake during Pregnancy Associated with Place of Residence: A Cross-Sectional Study in West Sumatran Women, Indonesia. Open Access Maced J Med Sci 2019; 7:2879-2885. [PMID: 31844453 PMCID: PMC6901836 DOI: 10.3889/oamjms.2019.659] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND There is a high prevalence of vitamin D deficiency in pregnancy worldwide, and variable availability of vitamin D-rich foods may affect the adequacy of vitamin D food intake in different regions. AIM We analysed the relationship between place of residence and maternal food intake of vitamin D and calcium in West Sumatra, Indonesia. METHODS This cross-sectional study was conducted in 203 pregnant women. Data collection was carried out in four districts in West Sumatra - two in coastal locations and two in mountainous locations - with subjects divided into groups based on their place of residence. The dietary intakes of pregnant women were assessed through a semi-quantitative food-frequency questionnaire (SQ-FFQ). RESULTS The means of maternal vitamin D and calcium food intake were 7.92 ± 5.26 µg/day and 784.88 ± 409.77 mg/day, respectively. There were no reports of vitamin D supplement intake during pregnancy. A total of 86.7% and 89.7% of the study subjects had low vitamin D and calcium food intake status, respectively. There was a significant association between maternal vitamin D intake and place of residence (p = 0.02) and significant different mean levels of vitamin D food intake with the place of residence (9.04 vs 6.55 µg/day; p = 0.01). Mothers who had higher education levels had adequate calcium food intake (p = 0.015; OR: 0.295; 0.116-0.751). CONCLUSION Low maternal vitamin D and calcium food intake were found to be common in West Sumatra, Indonesia and their differed between those residents in mountainous and in coastal areas.
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Affiliation(s)
- Arif Sabta Aji
- Biomedical Science Department, Andalas University, Padang, Indonesia
| | - Eti Yerizel
- Biochemistry Department, Andalas University, Padang, Indonesia
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Agnihotri A, Xie A, Bartalos C, Kushnir V, Sullivan S, Islam S, Islam E, Lamet M, Lamet A, Farboudmanesch R, Overholt BF, Altawil J, Early DS, Bennett M, Lowe A, Mullady DK, Adeyeri CS, El Zein M, Mishra P, Fayad L, Dunlap M, Oberbach A, Cheskin LJ, Kalloo AN, Khashab MA, Kumbhari V. Real-World Safety and Efficacy of Fluid-Filled Dual Intragastric Balloon for Weight Loss. Clin Gastroenterol Hepatol 2018; 16:1081-1088.e1. [PMID: 29481969 DOI: 10.1016/j.cgh.2018.02.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/23/2018] [Accepted: 02/16/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Reshape Duo is a saline-filled dual, integrated intragastric balloon (IGB) approved by the Food and Drug Administration for weight loss in patients with obesity. In a prospective, randomized trial, obese patients who received the balloon had significantly greater percent excess weight loss (%EWL) compared with patients treated with diet and exercise alone. However, there are limited data on the real-world efficacy of the Reshape balloon. METHODS We performed a retrospective study of data collected from 2 academic centers and 5 private practices in which all patients paid for the IGB and follow-up visits out of pocket. The IGB was removed after 6 months. We collected data (demographic, medical, and laboratory) from 202 adults (mean age 47.8 ± 10.8 years; 83% female) with a baseline mean body mass index of 36.8 + 8.4 kg/m2 who had IGB insertion for weight loss therapy, along with counselling on lifestyle modifications focused on diet and exercise. Primary outcomes were percent total body weight loss (%TBWL) and %EWL at 1, 3, 6, 9, and 12 months after the procedure. RESULTS Mean %TBWL at 1, 3, 6, 9 and 12 months was 4.8 ± 2.4%, 8.8 ± 4.3%, 11.4 ± 6.7%, 13.3 ± 7.8%, and 14.7 ± 11.8%, respectively. Data were available from 101 patients at 6 months and 12 patients at 12 months; 60.4% of patients achieved more than 10% TBWL and 55.4% had more than 25% EWL. Seventeen patients (8.4%) had esophageal tears during balloon insertion, with no intervention required. Thirteen patients (6.4%) had their IGB removed before the end of the 6-month treatment period. Nausea, vomiting, and abdominal pain were the most common adverse effects, occurring in 149 (73.8%), 99 (49%), and 51 (25.2%) patients. In one patient, the IGB migrated distally leading to small intestinal obstruction requiring surgical removal. CONCLUSION In a retrospective analysis of real-world patients who received the Reshape Duo IGB, we found it to be a safe and efficacious endoscopic method for producing weight loss, with most patients achieving greater than 10% TBWL at 6 months.
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Affiliation(s)
- Abhishek Agnihotri
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Amy Xie
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | | | - Vladimir Kushnir
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri
| | | | | | - Ebtesam Islam
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - Mark Lamet
- Center for Gastrointestinal Disorders, Hollywood, Florida
| | - Ari Lamet
- Center for Gastrointestinal Disorders, Hollywood, Florida
| | - Ramin Farboudmanesch
- Advanced Gastroenterology and Hepatology of Greater Washington, Vienna, Virginia
| | | | | | - Dayna S Early
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri
| | - Michael Bennett
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri
| | - Abigail Lowe
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri
| | - Daniel K Mullady
- Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri
| | | | - Mohamad El Zein
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Priya Mishra
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Lea Fayad
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Margo Dunlap
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Andreas Oberbach
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Lawrence J Cheskin
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland; Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Anthony N Kalloo
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Mouen A Khashab
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Vivek Kumbhari
- Department of Medicine, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
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Kalantari N, Doaei S, Gordali M, Rahimzadeh G, Gholamalizadeh M. The Association between Dairy Intake, Simple Sugars and Body Mass Index with Expression and Extent of Anger in Female Students . Iran J Psychiatry 2016; 11:43-50. [PMID: 27252768 PMCID: PMC4888140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE A significant increase in violence in the world and its impact on public health and society can be an important reason to offer solutions to reduce or control anger. Studies have shown that specific food groups may be effective in controlling mental disorders such as depression, anxiety and anger. The purpose of this study was to determine the relationship between food intake and Body Mass Index on state-trait anger expression in female students of Shahid Beheshti University of Medical Sciences. METHOD In this cross-sectional study, 114 female students were randomly selected from dormitories of Shahid Beheshti University of Medical Sciences. Body height and weight were measured using the scale and stadiometer, respectively. The required data for evaluating the relationship between state-trait anger expression and food consumption groups were collected using State-Trait Anger Expression Inventory-2 (STAXI-2) and Food Frequency questionnaires. RESULTS The results revealed a significant negative correlation between consumption of dairy product and trait anger (angry reaction), (P = 0.015). This association remained significant after adjustment of confounding factors. No significant correlations were found between other food groups as well as BMI and state-trait anger expression. CONCLUSION The higher intake of dairy products reduced state-trait anger expression. This result is consistent with the findings of many studies on the effect of dairy consumption on mental disorders. Therefore, consumption of dairy products can be a solution for reducing anger..
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Affiliation(s)
- Naser Kalantari
- Department of Nutrition and Food Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Doaei
- Student’s Research Committee, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maedeh Gordali
- Department of Community Nutrition, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ghazal Rahimzadeh
- Department of Food Science and Technology, Science and Research Branch, Azad University, Tehran, Iran
| | - Maryam Gholamalizadeh
- Food Security Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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Babaei P, Damirchi A, Hoseini R. The interaction effects of aerobic exercise training and vitamin D supplementation on plasma lipid profiles and insulin resistance in ovariectomized rats. J Exerc Nutrition Biochem 2015; 19:173-82. [PMID: 26526941 PMCID: PMC4624118 DOI: 10.5717/jenb.2015.15070703] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 06/27/2015] [Accepted: 07/07/2015] [Indexed: 02/06/2023] Open
Abstract
Purpose The purpose of this study was to determine the interaction effects of aerobic exercise training and vitamin D supplementation on indices of obesity and plasma lipid profiles in ovariectomized (OVX) rats. Methods Forty female Wistar rats were divided into 5 groups: aerobic training (3 days/week for 8 weeks; AT; n = 8), aerobic training and vitamin D supplementation (OVX + AT + Vit D; n = 8), vitamin D supplementation (OVX + Vit D; n = 8), ovariectomized control (OVX + C, n = 8) and SHAM (n = 8). After blood sampling, visceral fat was taken from the abdominal cavity and weighed immediately. Data was statistically analyzed by One-way ANOVA and Repeated measure ANOVA tests with a 0.05 significance level. Results Body weight, visceral fat, BMI and food intake decreased significantly in OVX + AT + Vit D (P < 0.001); whereas these variables increased significantly in OVX + C (P < 0.001) and SHAM (P < 0.023) groups. At the end of two-months of follow-up, we observed significant differences in TC, TG, HDL-C, LDL-C, glucose, insulin, and HOMA-IR in all groups. Conclusion It seems that aerobic training with vitamin D, due to the involvement of muscle mass and exposure to dynamic pressure on the bones and muscles, increased energy expenditure, stimulated insulin exudation and glucose homeostasis, decreased insulin resistance and improved the lipid profile in ovariectomized rats.
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Affiliation(s)
- Parvin Babaei
- Department of Physiology, Guilan University of Medical Sciences, Rasht, Iran
| | - Arsalan Damirchi
- Department of Sport Physiology, Faculty of physical education and sport sciences, University of Guilan, Rasht, Iran
| | - Rastegar Hoseini
- Department of Sport Physiology, Faculty of physical education and sport sciences, University of Guilan, Rasht, Iran
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Kilpatrick LA, Coveleskie K, Connolly L, Labus JS, Ebrat B, Stains J, Jiang Z, Suyenobu BY, Raybould HE, Tillisch K, Mayer EA. Influence of sucrose ingestion on brainstem and hypothalamic intrinsic oscillations in lean and obese women. Gastroenterology 2014; 146:1212-21. [PMID: 24480616 PMCID: PMC4113508 DOI: 10.1053/j.gastro.2014.01.023] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 01/06/2014] [Accepted: 01/14/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND & AIMS The study of intrinsic fluctuations in the blood oxygen level-dependent signal of functional magnetic resonance imaging can provide insight into the effect of physiologic states on brain processes. In an effort to better understand the brain-gut communication induced by the absorption and metabolism of nutrients in healthy lean and obese individuals, we investigated whether ingestion of nutritive and non-nutritive sweetened beverages differentially engages the hypothalamus and brainstem vagal pathways in lean and obese women. METHODS In a 2-day, double-blind crossover study, 11 lean and 11 obese healthy women underwent functional magnetic resonance imaging scans after ingestion of 2 beverages of different sucrose content, but identical sweetness. During scans, subjects rested with eyes closed. RESULTS Blood oxygen level-dependent fluctuations demonstrated significantly greater power in the highest frequency band (slow-3: 0.073-0.198 Hz) after ingestion of high-sucrose compared with low-sucrose beverages in the nucleus tractus solitarius for both groups. Obese women had greater connectivity between the right lateral hypothalamus and a reward-related brain region and weaker connectivity with homeostasis and gustatory-related brain regions than lean women. CONCLUSIONS In a functional magnetic resonance imaging study, we observed sucrose-related changes in oscillatory dynamics of blood oxygen level-dependent fluctuations in brainstem and hypothalamus in lean and obese women. The observed frequency changes are consistent with a rapid vagally mediated mechanism due to nutrient absorption, rather than sweet taste receptor activation. These findings provide support for altered interaction between homeostatic and reward networks in obese individuals.
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Affiliation(s)
- Lisa A. Kilpatrick
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Kristen Coveleskie
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles
| | - Lynn Connolly
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Jennifer S. Labus
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles,Ahmanson-Lovelace Brain Mapping Center, Los Angeles, California,Brain Research Institute, University of California, Los Angeles, Los Angeles, California
| | - Bahar Ebrat
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Jean Stains
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Zhiguo Jiang
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Brandall Y. Suyenobu
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Helen E. Raybould
- Department of Anatomy, Physiology, and Cell Biology, School of Veterinary Medicine, University of California, Davis, Davis, California
| | - Kirsten Tillisch
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles
| | - Emeran A. Mayer
- Gail and Gerald Oppenheimer Family Center for Neurobiology of Stress, David Geffen School of Medicine, University of California, Los Angeles,Department of Medicine, Division of Digestive Diseases, University of California, Los Angeles,Ahmanson-Lovelace Brain Mapping Center, Los Angeles, California,Department of Psychiatry, University of California, Los Angeles, Los Angeles, California,Brain Research Institute, University of California, Los Angeles, Los Angeles, California
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Abstract
The gut is anatomically positioned to play a critical role in the regulation of metabolic homeostasis, providing negative feedback via nutrient sensing and local hormonal signaling. Gut hormones, such as cholecystokinin (CCK) and glucagon-like peptide-1 (GLP-1), are released following a meal and act on local receptors to regulate glycemia via a neuronal gut-brain axis. Additionally, jejunal nutrient sensing and leptin action are demonstrated to suppress glucose production, and both are required for the rapid antidiabetic effect of duodenal jejunal bypass surgery. Strategies aimed at targeting local gut hormonal signaling pathways may prove to be efficacious therapeutic options to improve glucose control in diabetes.
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Affiliation(s)
- Clémence D Côté
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5G 1L7; Departments of Physiology, University of Toronto, Toronto, Ontario M5S 1A8
| | - Melika Zadeh-Tahmasebi
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5G 1L7; Departments of Physiology, University of Toronto, Toronto, Ontario M5S 1A8
| | - Brittany A Rasmussen
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5G 1L7; Departments of Physiology, University of Toronto, Toronto, Ontario M5S 1A8
| | - Frank A Duca
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5G 1L7; Departments of Medicine, University of Toronto, Toronto, Ontario M5S 1A8
| | - Tony K T Lam
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5G 1L7; Departments of Physiology, University of Toronto, Toronto, Ontario M5S 1A8; Departments of Medicine, University of Toronto, Toronto, Ontario M5S 1A8; Departments of Banting and Best Diabetes Centre, University of Toronto, Toronto, Ontario M5G 2C4, Canada.
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Jerlhag E, Ivanoff L, Vater A, Engel JA. Peripherally circulating ghrelin does not mediate alcohol-induced reward and alcohol intake in rodents. Alcohol Clin Exp Res 2014; 38:959-68. [PMID: 24428428 PMCID: PMC4112802 DOI: 10.1111/acer.12337] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 11/07/2013] [Indexed: 11/28/2022]
Abstract
BACKGROUND Development of alcohol dependence, a chronic and relapsing disease, largely depends on the effects of alcohol on the brain reward systems. By elucidating the mechanisms involved in alcohol use disorder, novel treatment strategies may be developed. Ghrelin, the endogenous ligand for the growth hormone secretagogue receptor 1A, acts as an important regulator of energy balance. Recently ghrelin and its receptor were shown to mediate alcohol reward and to control alcohol consumption in rodents. However, the role of central versus peripheral ghrelin for alcohol reward needs to be elucidated. METHODS Given that ghrelin mainly is produced by peripheral organs, the present study was designed to investigate the role of circulating endogenous ghelin for alcohol reward and for alcohol intake in rodents. RESULTS We showed that the Spiegelmer NOX-B11-2, which binds and neutralizes acylated ghrelin in the periphery with high affinity and thus prevents its brain access, does not attenuate the alcohol-induced locomotor activity, accumbal dopamine release and expression of conditioned place preference in mice. Moreover, NOX-B11-2 does not affect alcohol intake using the intermittent access 20% alcohol 2-bottle-choice drinking paradigm in rats, suggesting that circulating ghrelin does not regulate alcohol intake or the rewarding properties of alcohol. In the present study, we showed however, that NOX-B11-2 reduced food intake in rats supporting a role for circulating ghrelin as physiological regulators of food intake. Moreover, NOX-B11-2 did not affect the blood alcohol concentration in mice. CONCLUSIONS Collectively, the past and present studies suggest that central, rather than peripheral, ghrelin signaling may be a potential target for pharmacological treatment of alcohol dependence.
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Affiliation(s)
- Elisabet Jerlhag
- Department of Pharmacology, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
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