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Ferri BG, de Novais CO, Rojas VCT, Estevam ES, Dos Santos GJM, Cardoso RR, Nogueira ESC, Oliveira PF, de Barros WA, de Fátima Â, Vilela Giusti FC, Giusti-Paiva A. Psychedelic 25H-NBOMe attenuates post-sepsis depression in rats. Neurosci Lett 2024; 834:137845. [PMID: 38821202 DOI: 10.1016/j.neulet.2024.137845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/11/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Sepsis-associated encephalopathy, which manifests in severe cognitive and depressive symptoms, is directly linked to neuroinflammation. Our study investigates the efficacy of 25H-NBOMe, a phenethylamine, in alleviating these symptoms, potentially offering an innovative treatment for post-sepsis depression. Wistar rats, weighing between 250-300 g, were subjected to cecal ligation and puncture (CLP) surgery to induce sepsis. Depressive-like behaviors were assessed using the forced swim test (FST) on either day 7 or 14 post-surgery, to establish the presence of depressive symptoms. The impact of 25H-NBOMe treatment was then evaluated, focusing on the head-twitch response (HTR), performance in the FST, and GFAP expression in the prefrontal cortex. Treatment with 25H-NBOMe resulted in significant behavioral changes, demonstrated by decreased immobility and increased swimming times in the FST, along with a rise in the HTR. These outcomes indicate a reduction in depressive-like symptoms post-sepsis and the psychoactive effects of the compound. Furthermore, a notable decrease in GFAP expression in the study highlights the compound's impact on mitigating sepsis-induced astrogliosis. This study demonstrates the effectiveness of 25H-NBOMe, a psychedelic in the phenethylamine class, in treating post-sepsis depression and reducing astrogliosis. However, the psychedelic nature of 25H-NBOMe calls for further investigation into similar compounds with less psychoactive impact, crucial for advancing treatment options for neuropsychiatric symptoms following sepsis.
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Affiliation(s)
- Barbara G Ferri
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil; Laboratório de Neuroimunomodulação do Departamento de Ciências Fisiológicas do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Cintia O de Novais
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil; Laboratório de Neuroimunomodulação do Departamento de Ciências Fisiológicas do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Viviana C T Rojas
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil; Laboratório de Neuroimunomodulação do Departamento de Ciências Fisiológicas do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Elisa S Estevam
- Laboratório de Neuroimunomodulação do Departamento de Ciências Fisiológicas do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Gabriel J M Dos Santos
- Laboratório de Neuroimunomodulação do Departamento de Ciências Fisiológicas do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Rayner R Cardoso
- Laboratório de Neuroimunomodulação do Departamento de Ciências Fisiológicas do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Ester S C Nogueira
- Departamento de Biologia Celular e do Desenvolvimento do Instituto de Ciências Biomédicas, Unidade Educacional Santa Clara, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Pollyanna F Oliveira
- Laboratório de Genética Humana do Instituto de Ciências da Natureza, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Wellington A de Barros
- Grupo de Estudos em Química Orgânica e Biológica (GEQOB), Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Ângelo de Fátima
- Grupo de Estudos em Química Orgânica e Biológica (GEQOB), Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | | | - Alexandre Giusti-Paiva
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Florianópolis, SC, Brazil.
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Oliveira MK, Batista TH, Rojas VCT, Vitor-Vieira F, Reis L, Giusti FCV, Giusti-Paiva A. Neuromodulator hydrogen sulfide attenuates sickness behavior induced by lipopolysaccharide. J Neuroimmunol 2024; 389:578324. [PMID: 38422691 DOI: 10.1016/j.jneuroim.2024.578324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/02/2024]
Abstract
Sickness behavior reflects a state of altered physiology and central nervous system function that occurs during systemic infection or inflammation, serving as an adaptive response to illness. This study aims to elucidate the role of hydrogen sulfide (H2S) in regulating sickness behavior and neuroinflammatory responses in a rat model of systemic inflammation. Adult male Wistar rats were treated with lipopolysaccharide (LPS) to induce sickness behavior. Intracerebroventricular (i.c.v.) pretreatments included aminooxyacetic acid (AOAA), an inhibitor of H2S synthesis, and sodium sulfide (NaHS), an H2S donor. Behavioral assays were conducted, along with the assessment of astrocyte activation, as indicated by GFAP expression in the hypothalamus. Pretreatment with NaHS mitigated LPS-induced behavioral changes, including hypophagia, social and exploratory deficits, without affecting peripheral cytokine levels, indicating a central modulatory effect. AOAA, conversely, accentuated certain behavioral responses, suggesting a complex role of endogenous H2S in sickness behavior. These findings were reinforced by a lack of effect on plasma interleukin levels but significant reduction in GFAP expression. Our findings support the central role of H2S in modulating neuroinflammation and sickness behavior, highlighting the therapeutic potential of targeting H2S signaling in neuroinflammatory conditions.
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Affiliation(s)
- Merelym K Oliveira
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Tatiane H Batista
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Viviana Carolina T Rojas
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Fernando Vitor-Vieira
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Letícia Reis
- Programa de Pós-Graduação em Biociências, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil
| | - Fabiana Cardoso Vilela Giusti
- Programa de Pós-Graduação em Biociências, Instituto de Ciências Biomédicas, Universidade Federal de Alfenas (Unifal-MG), Alfenas, MG, Brazil; Centro de Inovação e Ensaios Pré-Clínicos (CIEnP), Florianópolis, SC, Brazil
| | - Alexandre Giusti-Paiva
- Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
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Tejera-Muñoz A, Guerra-Menéndez L, Amor S, González-Hedström D, García-Villalón ÁL, Granado M. Postnatal Overfeeding during Lactation Induces Endothelial Dysfunction and Cardiac Insulin Resistance in Adult Rats. Int J Mol Sci 2023; 24:14443. [PMID: 37833890 PMCID: PMC10572650 DOI: 10.3390/ijms241914443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/13/2023] [Accepted: 09/19/2023] [Indexed: 10/15/2023] Open
Abstract
Early overnutrition is associated with cardiometabolic alterations in adulthood, likely attributed to reduced insulin sensitivity due to its crucial role in the cardiovascular system. This study aimed to assess the long-term effects of early overnutrition on the development of cardiovascular insulin resistance. An experimental childhood obesity model was established using male Sprague Dawley rats. Rats were organized into litters of 12 pups/mother (L12-Controls) or 3 pups/mother (L3-Overfed) at birth. After weaning, animals from L12 and L3 were housed three per cage and provided ad libitum access to food for 6 months. L3 rats exhibited elevated body weight, along with increased visceral, subcutaneous, and perivascular fat accumulation. However, heart weight at sacrifice was reduced in L3 rats. Furthermore, L3 rats displayed elevated serum levels of glucose, leptin, adiponectin, total lipids, and triglycerides compared to control rats. In the myocardium, overfed rats showed decreased IL-10 mRNA levels and alterations in contractility and heart rate in response to insulin. Similarly, aortic tissue exhibited modified gene expression of TNFα, iNOS, and IL-6. Additionally, L3 aortas exhibited endothelial dysfunction in response to acetylcholine, although insulin-induced relaxation remained unchanged compared to controls. At the molecular level, L3 rats displayed reduced Akt phosphorylation in response to insulin, both in myocardial and aortic tissues, whereas MAPK phosphorylation was elevated solely in the myocardium. Overfeeding during lactation in rats induces endothelial dysfunction and cardiac insulin resistance in adulthood, potentially contributing to the cardiovascular alterations observed in this experimental model.
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Affiliation(s)
- Antonio Tejera-Muñoz
- Research Support Unit, Hospital General La Mancha Centro, 13600 Alcázar de San Juan, Spain;
- Instituto de Investigación de Castilla-La Mancha (IDISCAM), 45071 Toledo, Spain
| | - Lucía Guerra-Menéndez
- Departamento de Ciencias Médicas Básicas, Instituto de Medicina Molecular Aplicada (IMMA) Nemesio Díez, Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, Spain;
| | - Sara Amor
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (S.A.); (D.G.-H.); (Á.L.G.-V.)
| | - Daniel González-Hedström
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (S.A.); (D.G.-H.); (Á.L.G.-V.)
| | - Ángel Luis García-Villalón
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (S.A.); (D.G.-H.); (Á.L.G.-V.)
| | - Miriam Granado
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain; (S.A.); (D.G.-H.); (Á.L.G.-V.)
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain
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Cantacorps L, Coull BM, Falck J, Ritter K, Lippert RN. Gut-derived peptide hormone receptor expression in the developing mouse hypothalamus. PLoS One 2023; 18:e0290043. [PMID: 37590249 PMCID: PMC10434938 DOI: 10.1371/journal.pone.0290043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 07/31/2023] [Indexed: 08/19/2023] Open
Abstract
OBJECTIVE In adult organisms, a number of receptors have been identified which modulate metabolic processes related to peptides derived from the intestinal tract. These receptors play significant roles in glucose homeostasis, food intake and energy balance. Here we assess these classical metabolic receptors and their expression as well as their potential role in early development of hypothalamic neuronal circuits. METHODS Chow-fed C57BL6/N female mice were mated and hypothalamic tissue was collected from offspring across postnatal development (postnatal day 7-21). Subsequent qPCR and Western Blot analyses were used to determine mRNA and protein changes in gut-derived peptide hormone receptors. Correlations to body weight, blood glucose and circulating leptin levels were analyzed. RESULTS We describe the gene expression and dynamic protein regulation of key gut-derived peptide hormone receptors in the early postnatal period of the mouse brain. Specifically, we show changes to Gastric inhibitory polypeptide receptor (GIPR), glucagon-like peptide 1 receptor (GLP1R), and cholecystokinin receptor 2 (CCK2R) in the developing hypothalamus. The changes to GIPR and InsR seem to be strongly negatively correlated with body weight. CONCLUSIONS This comprehensive analysis underscores the need to understand the roles of maternal-derived circulating gut hormones and their direct effect on offspring brain development.
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Affiliation(s)
- Lídia Cantacorps
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Bethany M. Coull
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Joanne Falck
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Katrin Ritter
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Rachel N. Lippert
- Department of Neurocircuit Development and Function, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research (DZD), München-Neuherberg, Germany
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, Berlin, Germany
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de Souza CF, Stopa LRS, Martins AB, Wunderlich ALM, Lopes GM, de Fatima Silva F, Komino ACM, Zaia DAM, Zaia CTBV, Lima FB, Uchoa ET. Glucocorticoids contribute to metabolic and liver impairments induced by lactation overnutrition in male adult rats. Front Physiol 2023; 14:1161582. [PMID: 37234421 PMCID: PMC10206267 DOI: 10.3389/fphys.2023.1161582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023] Open
Abstract
Introduction: Lactation overnutrition is a programming agent of energy metabolism, and litter size reduction leads to the early development of obesity, which persists until adulthood. Liver metabolism is disrupted by obesity, and increased levels of circulating glucocorticoids are pointed as a possible mediator for the obesity development, since bilateral adrenalectomy (ADX) can reduce obesity in different models of obesity. Methods: This study aimed to evaluate the effects of glucocorticoids on metabolic changes and liver lipogenesis and insulin pathway induced by lactation overnutrition. For this, on the postnatal day 3 (PND), 3 pups (small litter-SL) or 10 pups (normal litter-NL) were kept with each dam. On PND 60, male Wistar rats underwent bilateral adrenalectomy (ADX) or fictitious surgery (sham), and half of ADX animals received corticosterone (CORT- 25 mg/L) diluted in the drinking fluid. On PND 74, the animals were euthanized by decapitation for trunk blood collection, and liver dissection and storage. Results and Discussion: SL rats presented increased corticosterone, free fatty acids, total and LDL-cholesterol plasma levels, without changes in triglycerides (TG) and HDL-cholesterol. The SL group also showed increased content of liver TG, and expression of fatty acid synthase (FASN), but decreased expression of PI3Kp110 in the liver, compared to NL rats. In the SL group, the ADX decreased plasma levels of corticosterone, FFA, TG and HDL cholesterol, liver TG, and liver expression of FASN, and IRS2, compared to sham animals. In SL animals, CORT treatment increased plasma levels of TG and HDL cholesterol, liver TG, and expression of FASN, IRS1, and IRS2, compared with the ADX group. In summary, the ADX attenuated plasma and liver changes observed after lactation overnutrition, and CORT treatment could reverse most ADX-induced effects. Thus, increased circulating glucocorticoids are likely to play a pivotal role in liver and plasma impairments induced by lactation overnutrition in male rats.
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Affiliation(s)
- Camila F. de Souza
- Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
| | - Larissa Rugila S. Stopa
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
| | - Andressa B. Martins
- Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
| | - Ana Luiza M. Wunderlich
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
| | | | | | | | - Dimas A. M. Zaia
- Department of Chemistry, State University of Londrina, Londrina, Brazil
| | - Cassia Thaïs B. V. Zaia
- Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
- Department of Physiological Sciences, State University of Londrina, Londrina, Brazil
| | - Fabio Bessa Lima
- Department of Physiology and Biophysics, University of Sao Paulo, Sao Paulo, Brazil
| | - Ernane Torres Uchoa
- Multicenter Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
- Postgraduate Program in Physiological Sciences, State University of Londrina, Londrina, Brazil
- Department of Physiological Sciences, State University of Londrina, Londrina, Brazil
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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] [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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Litter Size Reduction as a Model of Overfeeding during Lactation and Its Consequences for the Development of Metabolic Diseases in the Offspring. Nutrients 2022; 14:nu14102045. [PMID: 35631188 PMCID: PMC9145223 DOI: 10.3390/nu14102045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/10/2022] [Accepted: 05/10/2022] [Indexed: 02/06/2023] Open
Abstract
Overfeeding during lactation has a deleterious impact on the baby’s health throughout life. In humans, early overnutrition has been associated with higher susceptibility to obesity and metabolic disorders in childhood and adulthood. In rodents, using a rodent litter size reduction model (small litter) to mimic early overfeeding, the same metabolic profile has been described. Therefore, the rodent small litter model is an efficient tool to investigate the adaptive mechanisms involved in obesogenesis. Besides central and metabolic dysfunctions, studies have pointed to the contribution of the endocrine system to the small litter phenotype. Hormones, especially leptin, insulin, and adrenal hormones, have been associated with satiety, glucose homeostasis, and adipogenesis, while hypothyroidism impairs energy metabolism, favoring obesity. Behavioral modifications, hepatic metabolism changes, and reproductive dysfunctions have also been reported. In this review, we update these findings, highlighting the interaction of early nutrition and the adaptive features of the endocrine system. We also report the sex-related differences and epigenetic mechanisms. This model highlights the intense plasticity during lactation triggering many adaptive responses, which are the basis of the developmental origins of health and disease (DOHaD) concept. Our review demonstrates the complexity of the adaptive mechanisms involved in the obesity phenotype promoted by early overnutrition, reinforcing the necessity of adequate nutritional habits during lactation.
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Castro-Rodríguez DC, Reyes-Castro LA, Vargas-Hernández L, Itani N, Nathanielsz PW, Taylor PD, Zambrano E. Maternal obesity (MO) programs morphological changes in aged rat offspring small intestine in a sex dependent manner: Effects of maternal resveratrol supplementation. Exp Gerontol 2021; 154:111511. [PMID: 34371097 DOI: 10.1016/j.exger.2021.111511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/22/2021] [Accepted: 08/04/2021] [Indexed: 01/10/2023]
Abstract
Maternal obesity (MO) leads to offspring metabolic problems. The mechanisms involved are multifactorial. The small intestine plays an important role in the absorption of nutrients and is modified as we age. Few studies have explored MO programming effects on offspring (F1) small intestine morphology. The aim of this study was to investigate MO effects on old adult F1 intestinal morphology, and whether any F1 intestinal changes due to MO were modified by maternal resveratrol supplementation. From weaning throughout pregnancy and lactation, female Wistar rats (F0) ate standard chow (controls, C: 5%-fat) or high-fat diet (MO: 25%-fat). One month before mating at postnatal day (PND) 120 through lactation half of each group received 20 mg/kg/day of resveratrol orally (Cres or MOres). After weaning F1 were fed with chow diet until the end of the study at PND 650. Body weight, percent of fat, glucose, cholesterol and triglyceride serum concentrations were determined. F1 small intestinal samples were collected for histological analysis. Male F1 body weight was higher in MO and MOres compared with C and Cres. Female F1 body weight and percent of fat was higher in MO than C and MOres. Triglyceride concentrations were higher in MO and MOres male F1 compared with C and Cres. There were no differences among groups in female triglyceride concentrations. Male F1 duodenal villus height was smaller in MO compared with MOres. Female F1 duodenal and jejunal crypt depth was smaller in MO compared with C and was greater compared with MOres. Female F1 villus height in jejunum was greater in MO compared with MOres. In conclusion, exposure to the developmental challenge of MO changed the aged F1 intestinal morphological and metabolic profiles. Maternal resveratrol supplementation ameliorated these effects in an F1 sex dependent manner.
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Affiliation(s)
- Diana C Castro-Rodríguez
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico; CONACyT-Cátedras, Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Luis A Reyes-Castro
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Lilia Vargas-Hernández
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico; Instituto Mexicano del Seguro Social, Hospital de Ginecologia y Obstetricia No. 4 Luis Castelazo Ayala, Mexico
| | - Nozomi Itani
- Department of Women and Children's Health, School of Life Course Sciences, King's College London and King's Health Partners, London, UK
| | - Peter W Nathanielsz
- Wyoming Center for Pregnancy and Life Course Health Research, Department of Animal Science, University Wyoming, Laramie, WY, USA
| | - Paul D Taylor
- Department of Women and Children's Health, School of Life Course Sciences, King's College London and King's Health Partners, London, UK
| | - Elena Zambrano
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.
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Deal CK, Volkoff H. Response of the thyroid axis and appetite-regulating peptides to fasting and overfeeding in goldfish (Carassius auratus). Mol Cell Endocrinol 2021; 528:111229. [PMID: 33662475 DOI: 10.1016/j.mce.2021.111229] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 12/14/2022]
Abstract
The thyroid axis is a major regulator of metabolism and energy homeostasis in vertebrates. There is conclusive evidence in mammals for the involvement of the thyroid axis in the regulation of food intake, but in fish, this link is unclear. In order to assess the effects of nutritional status on the thyroid axis in goldfish, Carassius auratus, we examined brain and peripheral transcripts of genes associated with the thyroid axis [thyrotropin-releasing hormone (TRH), thyrotropin-releasing hormone receptors (TRH-R type 1 and 2), thyroid stimulating hormone beta (TSHβ), deiodinase enzymes (DIO2, DIO3) and UDP-glucoronsyltransferase (UGT)] and appetite regulators [neuropeptide Y (NPY), proopiomelanocortin (POMC), agouti-related peptide (AgRP) and cholecystokinin (CCK)] in fasted and overfed fish for 7 and 14 day periods. We show that the thyroid axis responds to overfeeding, with an increase of brain TRH and TSHβ mRNA expression after 14 days, suggesting that overfeeding might activate the thyroid axis. In fasted fish, hepatic DIO3 and UGT transcripts were downregulated from 7 to 14 days, suggesting a time-dependent inhibition of thyroid hormone degradation pathways. Nutritional status had no effect on circulating levels of thyroid hormone. Central appetite-regulating peptides exhibited temporal changes in mRNA expression, with decreased expression of the appetite-inhibiting peptide POMC from 7 to 14 days for both fasted and overfed fish, with no change in central NPY or AgRP, or intestinal CCK transcript expression. Compared to control fish, fasting increased AgRP mRNA expression at both 7 and 14 days, and POMC expression was higher than controls only at 7 days. Our results indicate that nutritional status time-dependently affects the thyroid axis and appetite regulators, although no clear correlation between thyroid physiology and appetite regulators could be established. Our study helps to fill a knowledge gap in current fish endocrinological research on the effects of energy balance on thyroid metabolism and function.
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Affiliation(s)
- Cole K Deal
- Departments of Biology, Memorial University of Newfoundland, St. John's, NL, A1B 3X9, Canada
| | - Helene Volkoff
- Departments of Biology, Memorial University of Newfoundland, St. John's, NL, A1B 3X9, Canada; Departments of Biochemistry, Memorial University of Newfoundland, St. John's, NL, A1B 3X9, Canada.
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