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Lima RMSD, da Mata MJ, Santos JCPD, Costa L, Marques VHM, Bento LVDS, Lugon MDMV, Arcego DM, Barauna VG, Bittencourt AS, Bittencourt APSDV. Exploring the Role of Environmental Enrichment and Early Life Adversity on Emotional Development. Behav Brain Res 2024:115147. [PMID: 39029628 DOI: 10.1016/j.bbr.2024.115147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/14/2024] [Accepted: 07/09/2024] [Indexed: 07/21/2024]
Abstract
Early life adversity has been linked with a higher probability of developing behavioral impairments and environmental manipulation is a strategy that may reduce the negative effects of exposure to adversity in early life. Here, we focused on exploring the influence of environmental enrichment (EE) as a protective factor in the context of early life adversity. We hypothesized that 24hours of maternal deprivation (MD), in the second week of life, could induce anxiety-like behavior alterations and that exposure to EE could induce resilience to these behaviors due to alterations in the serotonergic system. Male Wistar rats were exposed to MD, on postnatal days 11 and 13, and to EE, after weaning. In adulthood, we performed a series of behavioral tests for fear, anxiety, and locomotor activity. We also measured the levels of serotonin in the amygdala and dorsal raphe nucleus. Our results revealed that MD does not impact fear behavior or the levels of serotonin, while EE decreases locomotor activity in a novel environment and enhances exploration in the predator odor test. EE also decreases serotonin in the amygdala and increases its turnover rate levels. Our findings provide insights into the critical timeframe during which stress exposure impacts the development and confirm that exposure to EE has an independent and protective effect for anxiety-like behaviors later in life.
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Affiliation(s)
- Randriely Merscher Sobreira de Lima
- Department of Psychiatry, Faculty of Medicine, McGill University, Montreal, Quebec, Canada; Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil.
| | - Martielo Januario da Mata
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Josefa Cristina Pereira Dos Santos
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Ludhielle Costa
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Victor Hugo Moreira Marques
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Lucas Victor Dos Santos Bento
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Marcelo di Marcello Valladão Lugon
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Danusa Mar Arcego
- Department of Psychiatry, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Valério Garrone Barauna
- Programa de Pós-Graduação em Ciências Fisiológicas, Centro de Ciências da Saúde, Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Athelson Stefanon Bittencourt
- Programa de Pós-Graduação em Bioquímica e Farmacologia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo, Espírito Santo, Brazil; Departamento de Morfologia, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
| | - Ana Paula Santana de Vasconcellos Bittencourt
- Programa de Pós-Graduação em Ciências Fisiológicas, Centro de Ciências da Saúde, Departamento de Ciências Fisiológicas, Universidade Federal do Espírito Santo, Espírito Santo, Brazil
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Lee SY, Jao NC, Gaffey AE, Reid BM, Vergara-Lopez C, Bublitz MH, Stroud LR. Female adolescents' early life stress and body mass index: Differential effects of anger and anxiety in response to rejection. J Adolesc 2024; 96:830-840. [PMID: 38402417 DOI: 10.1002/jad.12302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/26/2024]
Abstract
INTRODUCTION Early life stress is linked to childhood obesity. As children enter adolescence, early life stress may be associated with increased rejection sensitivity, resulting in activation of behavioral and physiological changes that contribute to higher body mass index (BMI). Understanding the potential influence of rejection sensitivity on the association between early life stress and BMI is important to examine in female adolescents. For this secondary data analysis, we hypothesized that female adolescents with greater early life stress and greater rejection sensitivity would exhibit higher BMI-for-age 12 months later. METHODS Seventy-eight adolescents (Mage = 13.1 years; 100% female sex; MBMI = 23.2 kg/m2) in the United States completed study procedures from 2012 to 2016. Among these procedures, the Psychosocial Schedule was used to assess cumulative early life stress and the Children's Rejection Sensitivity Questionnaire was used to assess anger and anxiety in response to rejection. Twelve months later, height and weight were measured to derive BMI-for-age. RESULTS Higher early life stress was associated with higher BMI-for-age among female adolescents with low rejection-provoked anger (1 SD below the mean). However, this association was not observed among female adolescents with high rejection-provoked anger (1 SD above the mean). Finally, there was no significant interaction between early life stress and rejection-provoked anxiety in predicting BMI-for-age. CONCLUSIONS Experiencing early life stress may interact with rejection-provoked anger, but not anxiety, to predict BMI-for-age. Findings inform a developmental perspective of how rejection sensitivity may influence the association between early life stress and early cardiometabolic risk.
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Affiliation(s)
- Sharon Y Lee
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
| | - Nancy C Jao
- Department of Psychology, Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
| | - Allison E Gaffey
- Department of Internal Medicine (Cardiovascular Medicine), Yale School of Medicine, New Haven, Connecticut, USA
- VA Connecticut Healthcare System, West Haven, Connecticut, USA
| | - Brie M Reid
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
| | - Chrystal Vergara-Lopez
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
| | - Margaret H Bublitz
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
- Department of Medicine, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
- Women's Medicine Collaborative, The Miriam Hospital, Providence, Rhode Island, USA
| | - Laura R Stroud
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
- Center for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, Rhode Island, USA
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Trujillo V, Camilo TA, Valentim-Lima E, Carbalan QSR, Dos-Santos RC, Felintro V, Reis LC, Lustrino D, Rorato R, Mecawi AS. Neonatal treatment with para-chlorophenylalanine (pCPA) induces adolescent hyperactivity associated with changes in the paraventricular nucleus Crh and Trh expressions. Behav Brain Res 2024; 462:114867. [PMID: 38246394 DOI: 10.1016/j.bbr.2024.114867] [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: 01/12/2024] [Accepted: 01/13/2024] [Indexed: 01/23/2024]
Abstract
Disruption of the brain serotoninergic (5-HT) system during development induces long-lasting changes in molecular profile, cytoarchitecture, and function of neurons, impacting behavioral regulation throughout life. In male and female rats, we investigate the effect of neonatal tryptophan hydroxylase (TPH) inhibition by using para-chlorophenylalanine (pCPA) on the expression of 5-HTergic system components and neuropeptides related to adolescent social play behavior regulation. We observed sex-dependent 5-HT levels decrease after pCPA-treatment in the dorsal raphe nucleus (DRN) at 17 and 35 days. Neonatal pCPA-treatment increased playing, social and locomotory behaviors assessed in adolescent rats of both sexes. The pCPA-treated rats demonstrated decreased Crh (17 days) and increased Trh (35 days) expression in the hypothalamic paraventricular nucleus (PVN). There was sex dimorphism in Htr2c (17 days) and VGF (35 days) in the prefrontal cortex, with the females expressing higher levels of it than males. Our results indicate that neonatal pCPA-treatment results in a long-lasting and sex-dependent DRN 5-HT synthesis changes, decreased Crh, and increased Trh expression in the PVN, resulting in a hyperactivity-like phenotype during adolescence. The present work demonstrates that the impairment of TPH function leads to neurobehavioral disorders related to hyperactivity and impulsivity, such as attention deficit hyperactivity disorder (ADHD).
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Affiliation(s)
- Verónica Trujillo
- Laboratory of Molecular Neuroendocrinology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil; Department of Physiology, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Tays Araújo Camilo
- Laboratory of Molecular Neuroendocrinology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Evandro Valentim-Lima
- Laboratory of Molecular Neuroendocrinology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Quézia S R Carbalan
- Department of Physiological Sciences, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, Brazil
| | - Raoni C Dos-Santos
- Department of Physiological Sciences, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, Brazil
| | - Viviane Felintro
- Department of Physiological Sciences, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, Brazil
| | - Luís C Reis
- Department of Physiological Sciences, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, Brazil
| | - Danilo Lustrino
- Laboratory of Basic and Behavioral Neuroendocrinology, Department of Physiology, Centro de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe (UFS), São Cristóvão, Brazil
| | - Rodrigo Rorato
- Laboratory of Stress Neuroendocrinology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - André S Mecawi
- Laboratory of Molecular Neuroendocrinology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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Peedikayil-Kurien S, Setty H, Oren-Suissa M. Environmental experiences shape sexually dimorphic neuronal circuits and behaviour. FEBS J 2024; 291:1080-1101. [PMID: 36582142 DOI: 10.1111/febs.16714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 11/05/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022]
Abstract
Dimorphic traits, shaped by both natural and sexual selection, ensure optimal fitness and survival of the organism. This includes neuronal circuits that are largely affected by different experiences and environmental conditions. Recent evidence suggests that sexual dimorphism of neuronal circuits extends to different levels such as neuronal activity, connectivity and molecular topography that manifest in response to various experiences, including chemical exposures, starvation and stress. In this review, we propose some common principles that govern experience-dependent sexually dimorphic circuits in both vertebrate and invertebrate organisms. While sexually dimorphic neuronal circuits are predetermined, they have to maintain a certain level of fluidity to be adaptive to different experiences. The first layer of dimorphism is at the level of the neuronal circuit, which appears to be dictated by sex-biased transcription factors. This could subsequently lead to differences in the second layer of regulation namely connectivity and synaptic properties. The third regulator of experience-dependent responses is the receptor level, where dimorphic expression patterns determine the primary sensory encoding. We also highlight missing pieces in this field and propose future directions that can shed light onto novel aspects of sexual dimorphism with potential benefits to sex-specific therapeutic approaches. Thus, sexual identity and experience simultaneously determine behaviours that ultimately result in the maximal survival success.
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Affiliation(s)
| | - Hagar Setty
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Meital Oren-Suissa
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
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Gildawie KR, Wang K, Budge KE, Byrnes EM. Effects of Maternal Separation on Effort-based Responding for Sucrose Are Associated with c-Fos Expression in the Nucleus Accumbens Core. Neuroscience 2024; 537:174-188. [PMID: 38036058 PMCID: PMC10872495 DOI: 10.1016/j.neuroscience.2023.11.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 11/06/2023] [Accepted: 11/26/2023] [Indexed: 12/02/2023]
Abstract
In both people and animals, exposure to adverse experiences early in life can alter neurodevelopment and lead to long-term behavioral effects, including effects on reward processing. In the current study, we use a well-validated rodent model of maternal neglect, maternal separation (MS), to investigate the impact of early life adversity on reward learning and motivation and identify associated modifications in cellular activation in reward-relevant areas. Litters of Long-Evans rats were separated from the dam for either 15 min (brief) or 180 min (prolonged)/day from postnatal day (PND)2 to PND14. As adults, offspring were trained to lever press for a sucrose pellet using fixed ratio (FR) schedules and motivation was tested using a progressive ratio (PR) schedule over 10 daily sessions to assess sustained effects on effort-based responding. Immunohistochemical staining for c-Fos was conducted in a subset of animals that underwent an additional PR session. While there were no effects on reward learning, both MS180 males and females demonstrated increased effort-based responding on the first day of PR testing, while only MS180 males demonstrated a sustained increase in effort across all 10 days. MS180-induced changes in c-Fos expression in the dorsal and ventral striatum were observed, with subregion-specific effects along the rostrocaudal axis. Moreover, regression analyses suggest that motivated responding for a sucrose food reward in MS180-exposed, but not MS15-exposed animals, was associated with increased c-Fos expression in the rostral nucleus accumbens core. These findings implicate specific striatal regions in sex-specific modulation of sustained effort-based reward behavior following early life adversity.
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Affiliation(s)
- Kelsea R Gildawie
- Department of Comparative Pathobiology, Cummings School of Veterinary Medicine at Tufts University, North Grafton, MA 01536, USA
| | - Katherine Wang
- Department of Comparative Pathobiology, Cummings School of Veterinary Medicine at Tufts University, North Grafton, MA 01536, USA
| | - Kerri E Budge
- Department of Comparative Pathobiology, Cummings School of Veterinary Medicine at Tufts University, North Grafton, MA 01536, USA
| | - Elizabeth M Byrnes
- Department of Comparative Pathobiology, Cummings School of Veterinary Medicine at Tufts University, North Grafton, MA 01536, USA.
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Benoit S, Henry M, Fneich S, Mathou A, Xia L, Foury A, Jouin M, Junien C, Capuron L, Jouneau L, Moisan MP, Delpierre C, Gabory A, Darnaudéry M. Strain-specific changes in nucleus accumbens transcriptome and motivation for palatable food reward in mice exposed to maternal separation. Front Nutr 2023; 10:1190392. [PMID: 37565037 PMCID: PMC10411197 DOI: 10.3389/fnut.2023.1190392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 07/03/2023] [Indexed: 08/12/2023] Open
Abstract
Introduction In humans, adversity in childhood exerts enduring effects on brain and increases the vulnerability to psychiatric diseases. It also leads to a higher risk of eating disorders and obesity. Maternal separation (MS) in mice has been used as a proxy of stress during infancy. We hypothesized that MS in mice affects motivation to obtain palatable food in adulthood and changes gene expression in reward system. Methods Male and female pups from C57Bl/6J and C3H/HeN mice strains were subjected to a daily MS protocol from postnatal day (PND) 2 to PND14. At adulthood, their motivation for palatable food reward was assessed in operant cages. Results Compared to control mice, male and female C3H/HeN mice exposed to MS increased their instrumental response for palatable food, especially when the effort required to obtain the reward was high. Importantly, this effect is shown in animals fed ad libitum. Transcriptional analysis revealed 375 genes differentially expressed in the nucleus accumbens of male MS C3H/HeN mice compared to the control group, some of these being associated with the regulation of the reward system (e.g., Gnas, Pnoc). Interestingly, C57Bl/6J mice exposed to MS did not show alterations in their motivation to obtain a palatable reward, nor significant changes in gene expression in the nucleus accumbens. Conclusion MS produces long-lasting changes in motivation for palatable food in C3H/HeN mice, but has no impact in C57Bl/6J mice. These behavioral alterations are accompanied by drastic changes in gene expression in the nucleus accumbens, a key structure in the regulation of motivational processes.
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Affiliation(s)
- Simon Benoit
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
| | - Mathilde Henry
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
| | - Sara Fneich
- Univ. Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire d’Alfort, BREED, Maisons-Alfort, France
| | - Alexia Mathou
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
| | - Lin Xia
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
| | - Aline Foury
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
| | - Mélanie Jouin
- Univ. Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire d’Alfort, BREED, Maisons-Alfort, France
| | - Claudine Junien
- Univ. Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire d’Alfort, BREED, Maisons-Alfort, France
| | - Lucile Capuron
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
| | - Luc Jouneau
- Univ. Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire d’Alfort, BREED, Maisons-Alfort, France
| | | | - Cyrille Delpierre
- CERPOP, UMR1295, Inserm, Université Toulouse III Paul Sabatier, Toulouse, France
| | - Anne Gabory
- Univ. Paris-Saclay, UVSQ, INRAE, BREED, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire d’Alfort, BREED, Maisons-Alfort, France
| | - Muriel Darnaudéry
- Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, Bordeaux, France
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Mavrenkova PV, Khlebnikova NN, Alchinova IB, Demorzhi MS, Shoibonov BB, Karganov MY. Effects of Maternal Separation and Subsequent Stress on Behaviors and Brain Monoamines in Rats. Brain Sci 2023; 13:956. [PMID: 37371434 DOI: 10.3390/brainsci13060956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/04/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Childhood adversity can induce maladaptive behaviors and increase risk for affective disorders, post-traumatic stress disorder, personality disorders, and vulnerability to stress in adulthood. Deprivation of maternal care interrupts brain development through the disturbance of various neurotransmitters, however, the details remain unclear. The features of the symptoms of disorders are largely determined by early stress protocol, genetic characteristics (line), and the sex of the animals. The purpose of current study was (1) to assess behavioral changes in adult Wistar rats of both sexes after early life stress; (2) to determine the levels of monoamines in brain structures involved in the motor, emotional, and social reactions in rats aged 1 and 2 months; and (3) to determine the level of monoamines after physical or emotional stress in adult rats. The rat pups were separated from their dams and isolated from siblings in tight boxes at a temperature of 22-23 °C for 6 h during postnatal days 2-18. The data were processed predominantly using two-way analysis of variance and the Newman-Keys test as the post hoc analysis. The adult rats demonstrated an increase in motor activity and aggressiveness and a decrease in levels of anxiety and sociability. Behavioral disturbances were accompanied by region-, sex-, and age-dependent changes in the levels of monoamines and their metabolites. The dopaminergic and noradrenergic systems were found to be sensitive to psycho-emotional stress.
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Affiliation(s)
- Polina V Mavrenkova
- Institute of General Pathology and Pathophysiology, 8 Baltiyskaya St., 125315 Moscow, Russia
| | - Nadezhda N Khlebnikova
- Institute of General Pathology and Pathophysiology, 8 Baltiyskaya St., 125315 Moscow, Russia
| | - Irina B Alchinova
- Institute of General Pathology and Pathophysiology, 8 Baltiyskaya St., 125315 Moscow, Russia
| | - Marina S Demorzhi
- Institute of General Pathology and Pathophysiology, 8 Baltiyskaya St., 125315 Moscow, Russia
| | - Batozhab B Shoibonov
- P. K. Anokhin Institute of Normal Physiology, 8 Baltiyskaya St., 125315 Moscow, Russia
| | - Mikhail Yu Karganov
- Institute of General Pathology and Pathophysiology, 8 Baltiyskaya St., 125315 Moscow, Russia
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Frick JM, Eller OC, Foright RM, Levasseur BM, Yang X, Wang R, Winter MK, O'Neil MF, Morris EM, Thyfault JP, Christianson JA. High-fat/high-sucrose diet worsens metabolic outcomes and widespread hypersensitivity following early-life stress exposure in female mice. Am J Physiol Regul Integr Comp Physiol 2023; 324:R353-R367. [PMID: 36693166 PMCID: PMC9970659 DOI: 10.1152/ajpregu.00216.2022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 12/21/2022] [Accepted: 01/13/2023] [Indexed: 01/25/2023]
Abstract
Exposure to stress early in life has been associated with adult-onset comorbidities such as chronic pain, metabolic dysregulation, obesity, and inactivity. We have established an early-life stress model using neonatal maternal separation (NMS) in mice, which displays evidence of increased body weight and adiposity, widespread mechanical allodynia, and hypothalamic-pituitary-adrenal axis dysregulation in male mice. Early-life stress and consumption of a Western-style diet contribute to the development of obesity; however, relatively few preclinical studies have been performed in female rodents, which are known to be protected against diet-induced obesity and metabolic dysfunction. In this study, we gave naïve and NMS female mice access to a high-fat/high-sucrose (HFS) diet beginning at 4 wk of age. Robust increases in body weight and fat were observed in HFS-fed NMS mice during the first 10 wk on the diet, driven partly by increased food intake. Female NMS mice on an HFS diet showed widespread mechanical hypersensitivity compared with either naïve mice on an HFS diet or NMS mice on a control diet. HFS diet-fed NMS mice also had impaired glucose tolerance and fasting hyperinsulinemia. Strikingly, female NMS mice on an HFS diet showed evidence of hepatic steatosis with increased triglyceride levels and altered glucocorticoid receptor levels and phosphorylation state. They also exhibited increased energy expenditure as observed via indirect calorimetry and expression of proinflammatory markers in perigonadal adipose. Altogether, our data suggest that early-life stress exposure increased the susceptibility of female mice to develop diet-induced metabolic dysfunction and pain-like behaviors.
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Affiliation(s)
- Jenna M Frick
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Olivia C Eller
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Rebecca M Foright
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Brittni M Levasseur
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Xiaofang Yang
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Ruipeng Wang
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Michelle K Winter
- Kansas Intellectual and Developmental Disabilities Research Association, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - Maura F O'Neil
- Department of Pathology and Laboratory Medicine, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - E Matthew Morris
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
| | - John P Thyfault
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
- Research Service, Kansas City Veterans Affairs Medical Center, Kansas City, Kansas, United States
| | - Julie A Christianson
- Department of Cell Biology and Physiology, School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, United States
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Sex differences in addiction-relevant behavioral outcomes in rodents following early life stress. ADDICTION NEUROSCIENCE 2023; 6. [PMID: 37101684 PMCID: PMC10124992 DOI: 10.1016/j.addicn.2023.100067] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
In humans, exposure to early life stress (ELS) is an established risk factor for the development of substance use disorders (SUDs) during later life. Similarly, rodents exposed to ELS involving disrupted mother-infant interactions, such as maternal separation (MS) or adverse caregiving due to scarcity-adversity induced by limited bedding and nesting (LBN) conditions, also exhibit long-term alterations in alcohol and drug consumption. In both humans and rodents, there is a range of addiction-related behaviors that are associated with drug use and even predictive of subsequent SUDs. In rodents, these include increased anxiety-like behavior, impulsivity, and novelty-seeking, altered alcohol and drug intake patterns, as well as disrupted reward-related processes involving consummatory and social behaviors. Importantly, the expression of these behaviors often varies throughout the lifespan. Moreover, preclinical studies suggest that sex differences play a role in how exposure to ELS impacts reward and addiction-related phenotypes as well as underlying brain reward circuitry. Here, addiction-relevant behavioral outcomes and mesolimbic dopamine (DA) dysfunction resulting from ELS in the form of MS and LBN are discussed with a focus on age- and sex-dependent effects. Overall, these findings suggest that ELS may increase susceptibility for later life drug use and SUDs by interfering with the normal maturation of reward-related brain and behavioral function.
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10
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Duque-Quintero M, Hooijmans CR, Hurowitz A, Ahmed A, Barris B, Homberg JR, Hen R, Harris AZ, Balsam P, Atsak P. Enduring effects of early-life adversity on reward processes: A systematic review and meta-analysis of animal studies. Neurosci Biobehav Rev 2022; 142:104849. [PMID: 36116576 PMCID: PMC10729999 DOI: 10.1016/j.neubiorev.2022.104849] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/23/2022] [Accepted: 08/26/2022] [Indexed: 01/06/2023]
Abstract
Two-thirds of individuals experience adversity during childhood such as neglect, abuse or highly-stressful events. Early-life adversity (ELA) increases the life-long risk of developing mood and substance use disorders. Reward-related deficits has emerged as a key endophenotype of such psychiatric disorders. Animal models are invaluable for studying how ELA leads to reward deficits. However, the existing literature is heterogenous with difficult to reconcile findings. To create an overview, we conducted a systematic review containing multiple meta-analyses regarding the effects of ELA on reward processes overall and on specific aspects of reward processing in animal models. A comprehensive search identified 120 studies. Most studies omitted key details resulting in unclear risk of bias. Overall meta-analysis showed that ELA significantly reduced reward behaviors (SMD: -0.42 [-0.60; -0.24]). The magnitude of ELA effects significantly increased with longer exposure. When reward domains were analyzed separately, ELA only significantly dampened reward responsiveness (SMD: -0.525[-0.786; -0.264]) and social reward processing (SMD: -0.374 [-0.663; -0.084]), suggesting that ELA might lead to deficits in specific reward domains.
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Affiliation(s)
- Mariana Duque-Quintero
- Department of Cognitive Neuroscience, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, 6525 EN Nijmegen, The Netherlands
| | - Carlijn R Hooijmans
- Systematic Review Centre for Laboratory animal Experimentation (SYRCLE), Department for Health Evidence, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, The Netherlands; Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Alexander Hurowitz
- Integrative Neuroscience, New York State Psychiatric Institute, New York 10032, USA
| | - Afsana Ahmed
- Integrative Neuroscience, New York State Psychiatric Institute, New York 10032, USA
| | - Ben Barris
- Integrative Neuroscience, New York State Psychiatric Institute, New York 10032, USA
| | - Judith R Homberg
- Department of Cognitive Neuroscience, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, 6525 EN Nijmegen, The Netherlands
| | - Rene Hen
- Integrative Neuroscience, New York State Psychiatric Institute, New York 10032, USA; Department of Psychiatry, Columbia University, New York, NY 10032, USA
| | - Alexander Z Harris
- Integrative Neuroscience, New York State Psychiatric Institute, New York 10032, USA; Department of Psychiatry, Columbia University, New York, NY 10032, USA
| | - Peter Balsam
- Department of Psychiatry, Columbia University, New York, NY 10032, USA
| | - Piray Atsak
- Department of Cognitive Neuroscience, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, 6525 EN Nijmegen, The Netherlands; Integrative Neuroscience, New York State Psychiatric Institute, New York 10032, USA; Department of Psychiatry, Columbia University, New York, NY 10032, USA.
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11
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The interaction of early life factors and depression-associated loci affecting the age at onset of the depression. Transl Psychiatry 2022; 12:294. [PMID: 35879288 PMCID: PMC9314326 DOI: 10.1038/s41398-022-02042-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 06/22/2022] [Accepted: 06/29/2022] [Indexed: 11/25/2022] Open
Abstract
Multiple previous studies explored the associations between early life factors and the age at onset of the depression. However, they only focused on the influence of environmental or genetic factors, without considering the interactions between them. Based on previous genome-wide association study (GWAS) data, we first calculated polygenic risk score (PRS) for depression. Regression analyses were conducted to assess the interacting effects of depression PRS and 5 early life factors, including felt hated by family member (N = 40,112), physically abused by family (N = 40,464), felt loved (N = 35633), and sexually molested (N = 41,595) in childhood and maternal smoking during pregnancy (N = 38,309), on the age at onset of the depression. Genome-wide environment interaction studies (GWEIS) were then performed to identify the genes interacting with early life factors for the age at onset of the depression. In regression analyses, we observed significant interacting effects of felt loved as a child and depression PRS on the age at onset of depression in total sample (β = 0.708, P = 5.03 × 10-3) and males (β = 1.421, P = 7.64 × 10-4). GWEIS identified a novel candidate loci interacting with felt loved as a child at GSAP (rs2068031, P = 4.24 × 10-8) and detected several genes with suggestive significance association, such as CMYA5 (rs7343, P = 2.03 × 10-6) and KIRREL3 (rs535603, P = 4.84 × 10-6) in males. Our results indicate emotional care in childhood may affect the age at onset of depression, especially in males, and GSAP plays an important role in their interaction.
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12
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Reemst K, Ruigrok SR, Bleker L, Naninck EFG, Ernst T, Kotah JM, Lucassen PJ, Roseboom TJ, Pollux BJA, de Rooij SR, Korosi A. Sex-dependence and comorbidities of the early-life adversity induced mental and metabolic disease risks: Where are we at? Neurosci Biobehav Rev 2022; 138:104627. [PMID: 35339483 DOI: 10.1016/j.neubiorev.2022.104627] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 02/15/2022] [Accepted: 03/13/2022] [Indexed: 01/02/2023]
Abstract
Early-life adversity (ELA) is a major risk factor for developing later-life mental and metabolic disorders. However, if and to what extent ELA contributes to the comorbidity and sex-dependent prevalence/presentation of these disorders remains unclear. We here comprehensively review and integrate human and rodent ELA (pre- and postnatal) studies examining mental or metabolic health in both sexes and discuss the role of the placenta and maternal milk, key in transferring maternal effects to the offspring. We conclude that ELA impacts mental and metabolic health with sex-specific presentations that depend on timing of exposure, and that human and rodent studies largely converge in their findings. ELA is more often reported to impact cognitive and externalizing domains in males, internalizing behaviors in both sexes and concerning the metabolic dimension, adiposity in females and insulin sensitivity in males. Thus, ELA seems to be involved in the origin of the comorbidity and sex-specific prevalence/presentation of some of the most common disorders in our society. Therefore, ELA-induced disease states deserve specific preventive and intervention strategies.
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Affiliation(s)
- Kitty Reemst
- University of Amsterdam, Swammerdam Institute of Life Sciences, Center for Neuroscience, Brain Plasticity Group, Amsterdam, The Netherlands
| | - Silvie R Ruigrok
- University of Amsterdam, Swammerdam Institute of Life Sciences, Center for Neuroscience, Brain Plasticity Group, Amsterdam, The Netherlands
| | - Laura Bleker
- Amsterdam University Medical Center, University of Amsterdam, Department of Epidemiology and Data Science, Amsterdam, The Netherlands
| | - Eva F G Naninck
- University of Amsterdam, Swammerdam Institute of Life Sciences, Center for Neuroscience, Brain Plasticity Group, Amsterdam, The Netherlands
| | - Tiffany Ernst
- Wageningen University, Department of Animal Sciences, Experimental Zoology &Evolutionary Biology Group, Wageningen, The Netherlands
| | - Janssen M Kotah
- University of Amsterdam, Swammerdam Institute of Life Sciences, Center for Neuroscience, Brain Plasticity Group, Amsterdam, The Netherlands
| | - Paul J Lucassen
- University of Amsterdam, Swammerdam Institute of Life Sciences, Center for Neuroscience, Brain Plasticity Group, Amsterdam, The Netherlands; Centre for Urban Mental Health, University of Amsterdam, The Netherlands
| | - Tessa J Roseboom
- Amsterdam University Medical Center, University of Amsterdam, Department of Epidemiology and Data Science, Amsterdam, The Netherlands
| | - Bart J A Pollux
- Wageningen University, Department of Animal Sciences, Experimental Zoology &Evolutionary Biology Group, Wageningen, The Netherlands
| | - Susanne R de Rooij
- Amsterdam University Medical Center, University of Amsterdam, Department of Epidemiology and Data Science, Amsterdam, The Netherlands
| | - Aniko Korosi
- University of Amsterdam, Swammerdam Institute of Life Sciences, Center for Neuroscience, Brain Plasticity Group, Amsterdam, The Netherlands.
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13
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Ghosh-Swaby OR, Reichelt AC, Sheppard PAS, Davies J, Bussey TJ, Saksida LM. Metabolic hormones mediate cognition. Front Neuroendocrinol 2022; 66:101009. [PMID: 35679900 DOI: 10.1016/j.yfrne.2022.101009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 05/18/2022] [Accepted: 06/02/2022] [Indexed: 11/16/2022]
Abstract
Recent biochemical and behavioural evidence indicates that metabolic hormones not only regulate energy intake and nutrient content, but also modulate plasticity and cognition in the central nervous system. Disruptions in metabolic hormone signalling may provide a link between metabolic syndromes like obesity and diabetes, and cognitive impairment. For example, altered metabolic homeostasis in obesity is a strong determinant of the severity of age-related cognitive decline and neurodegenerative disease. Here we review the evidence that eating behaviours and metabolic hormones-particularly ghrelin, leptin, and insulin-are key players in the delicate regulation of neural plasticity and cognition. Caloric restriction and antidiabetic therapies, both of which affect metabolic hormone levels can restore metabolic homeostasis and enhance cognitive function. Thus, metabolic hormone pathways provide a promising target for the treatment of cognitive decline.
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Affiliation(s)
- Olivia R Ghosh-Swaby
- Schulich School of Medicine and Dentistry, Neuroscience Program, Western University, London, ON, Canada
| | - Amy C Reichelt
- Faculty of Health and Medical Sciences, Adelaide Medical School, Adelaide, Australia
| | - Paul A S Sheppard
- Schulich School of Medicine and Dentistry, Department of Physiology and Pharmacology, Western University, London, ON, Canada
| | - Jeffrey Davies
- Swansea University Medical School, Swansea University, Swansea, UK
| | - Timothy J Bussey
- Schulich School of Medicine and Dentistry, Neuroscience Program, Western University, London, ON, Canada; Schulich School of Medicine and Dentistry, Department of Physiology and Pharmacology, Western University, London, ON, Canada
| | - Lisa M Saksida
- Schulich School of Medicine and Dentistry, Neuroscience Program, Western University, London, ON, Canada; Schulich School of Medicine and Dentistry, Department of Physiology and Pharmacology, Western University, London, ON, Canada.
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14
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An X, Guo W, Wu H, Fu X, Li M, Zhang Y, Li Y, Cui R, Yang W, Zhang Z, Zhao G. Sex Differences in Depression Caused by Early Life Stress and Related Mechanisms. Front Neurosci 2022; 16:797755. [PMID: 35663561 PMCID: PMC9157793 DOI: 10.3389/fnins.2022.797755] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/02/2022] [Indexed: 11/26/2022] Open
Abstract
Depression is a common psychiatric disease caused by various factors, manifesting with continuous low spirits, with its precise mechanism being unclear. Early life stress (ELS) is receiving more attention as a possible cause of depression. Many studies focused on the mechanisms underlying how ELS leads to changes in sex hormones, neurotransmitters, hypothalamic pituitary adrenocortical (HPA) axis function, and epigenetics. The adverse effects of ELS on adulthood are mainly dependent on the time window when stress occurs, sex and the developmental stage when evaluating the impacts. Therefore, with regard to the exact sex differences of adult depression, we found that ELS could lead to sex-differentiated depression through multiple mechanisms, including 5-HT, sex hormone, HPA axis, and epigenetics.
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Affiliation(s)
- Xianquan An
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, Changchun, China
- Department of Anesthesiology, Second Hospital of Jilin University, Changchun, China
| | - Wanxu Guo
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Huiying Wu
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Xiying Fu
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Ming Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Yizhi Zhang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Yanlin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Ranji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Wei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, Second Hospital of Jilin University, Changchun, China
| | - Zhuo Zhang
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, Changchun, China
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
- *Correspondence: Zhuo Zhang,
| | - Guoqing Zhao
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, Changchun, China
- Guoqing Zhao,
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15
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A Framework for Developing Translationally Relevant Animal Models of Stress-Induced Changes in Eating Behavior. Biol Psychiatry 2022; 91:888-897. [PMID: 34433512 PMCID: PMC8720907 DOI: 10.1016/j.biopsych.2021.06.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/22/2021] [Accepted: 06/24/2021] [Indexed: 02/08/2023]
Abstract
Stress often affects eating behaviors, leading to increased eating in some individuals and decreased eating in others. Identifying physiological and psychological factors that determine the direction of eating responses to stress has been a major goal of epidemiological and clinical studies. However, challenges of standardizing the stress exposure in humans hinder efforts to uncover the underlying mechanisms. The issue of what determines the direction of stress-induced feeding responses has not been directly addressed in animal models, but assays that combine stress with a feeding-related task are commonly used as readouts of other behaviors, such as anxiety. Sex, estrous cyclicity, circadian cyclicity, caloric restriction, palatable diets, elevated body weight, and properties of the stressors similarly influence feeding behavior in humans and rodent models. Yet, most rodent studies do not use conditions that are most relevant for studying feeding behavior in humans. This review proposes a conceptual framework for incorporating these influences to develop reproducible and translationally relevant assays to study effects of stress on food intake. Such paradigms have the potential to uncover links between emotional eating and obesity as well as to the etiology of eating disorders.
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16
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Colleluori G, Galli C, Severi I, Perugini J, Giordano A. Early Life Stress, Brain Development, and Obesity Risk: Is Oxytocin the Missing Link? Cells 2022; 11:cells11040623. [PMID: 35203274 PMCID: PMC8870435 DOI: 10.3390/cells11040623] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 12/13/2022] Open
Abstract
Obesity disease results from a dysfunctional modulation of the energy balance whose master regulator is the central nervous system. The neural circuitries involved in such function complete their maturation during early postnatal periods, when the brain is highly plastic and profoundly influenced by the environment. This phenomenon is considered as an evolutionary strategy, whereby metabolic functions are adjusted to environmental cues, such as food availability and maternal care. In this timeframe, adverse stimuli may program the body metabolism to maximize energy storage abilities to cope with hostile conditions. Consistently, the prevalence of obesity is higher among individuals who experienced early life stress (ELS). Oxytocin, a hypothalamic neurohormone, regulates the energy balance and modulates social, emotional, and eating behaviors, exerting both central and peripheral actions. Oxytocin closely cooperates with leptin in regulating energy homeostasis. Both oxytocin and leptin impact the neurodevelopment during critical periods and are affected by ELS and obesity. In this review article, we report evidence from the literature describing the effect of postnatal ELS (specifically, disorganized/inconstant maternal care) on the vulnerability to obesity with a focus on the role of oxytocin. We emphasize the existing research gaps and highlight promising directions worthy of exploration. Based on the available data, alterations in the oxytocin system may in part mediate the ELS-induced susceptibility to obesity.
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Affiliation(s)
- Georgia Colleluori
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy; (G.C.); (C.G.); (I.S.); (J.P.)
| | - Chiara Galli
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy; (G.C.); (C.G.); (I.S.); (J.P.)
| | - Ilenia Severi
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy; (G.C.); (C.G.); (I.S.); (J.P.)
| | - Jessica Perugini
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy; (G.C.); (C.G.); (I.S.); (J.P.)
| | - Antonio Giordano
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy; (G.C.); (C.G.); (I.S.); (J.P.)
- Center of Obesity, Marche Polytechnic University-United Hospitals, 60020 Ancona, Italy
- Correspondence: ; Tel.: +39-071-220-6086; Fax: +39-071-220-6087
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17
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Leal PEDPT, da Silva AA, Rocha-Gomes A, Riul TR, Cunha RA, Reichetzeder C, Villela DC. High-Salt Diet in the Pre- and Postweaning Periods Leads to Amygdala Oxidative Stress and Changes in Locomotion and Anxiety-Like Behaviors of Male Wistar Rats. Front Behav Neurosci 2022; 15:779080. [PMID: 35058757 PMCID: PMC8763963 DOI: 10.3389/fnbeh.2021.779080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/15/2021] [Indexed: 12/24/2022] Open
Abstract
High-salt (HS) diets have recently been linked to oxidative stress in the brain, a fact that may be a precursor to behavioral changes, such as those involving anxiety-like behavior. However, to the best of our knowledge, no study has evaluated the amygdala redox status after consuming a HS diet in the pre- or postweaning periods. This study aimed to evaluate the amygdala redox status and anxiety-like behaviors in adulthood, after inclusion of HS diet in two periods: preconception, gestation, and lactation (preweaning); and only after weaning (postweaning). Initially, 18 females and 9 male Wistar rats received a standard (n = 9 females and 4 males) or a HS diet (n = 9 females and 5 males) for 120 days. After mating, females continued to receive the aforementioned diets during gestation and lactation. Weaning occurred at 21-day-old Wistar rats and the male offspring were subdivided: control-control (C-C)—offspring of standard diet fed dams who received a standard diet after weaning (n = 9–11), control-HS (C-HS)—offspring of standard diet fed dams who received a HS diet after weaning (n = 9–11), HS-C—offspring of HS diet fed dams who received a standard diet after weaning (n = 9–11), and HS-HS—offspring of HS diet fed dams who received a HS diet after weaning (n = 9–11). At adulthood, the male offspring performed the elevated plus maze and open field tests. At 152-day-old Wistar rats, the offspring were euthanized and the amygdala was removed for redox state analysis. The HS-HS group showed higher locomotion and rearing frequency in the open field test. These results indicate that this group developed hyperactivity. The C-HS group had a higher ratio of entries and time spent in the open arms of the elevated plus maze test in addition to a higher head-dipping frequency. These results suggest less anxiety-like behaviors. In the analysis of the redox state, less activity of antioxidant enzymes and higher levels of the thiobarbituric acid reactive substances (TBARS) in the amygdala were shown in the amygdala of animals that received a high-salt diet regardless of the period (pre- or postweaning). In conclusion, the high-salt diet promoted hyperactivity when administered in the pre- and postweaning periods. In animals that received only in the postweaning period, the addition of salt induced a reduction in anxiety-like behaviors. Also, regardless of the period, salt provided amygdala oxidative stress, which may be linked to the observed behaviors.
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Affiliation(s)
- Pedro Ernesto de Pinho Tavares Leal
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Alexandre Alves da Silva
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Arthur Rocha-Gomes
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Tania Regina Riul
- Laboratório de Nutrição Experimental – LabNutrex, Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- Programa de Pós-Graduação em Ciências da Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Rennan Augusto Cunha
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
| | - Christoph Reichetzeder
- Department of Nutritional Toxicology, Institute of Nutritional Science, University of Potsdam, Potsdam, Germany
- Christoph Reichetzeder,
| | - Daniel Campos Villela
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil
- *Correspondence: Daniel Campos Villela,
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18
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Hong L, Wen L, Niculescu M, Zhou F, Zou Y, Shen G, Wang W, Liu Y, Chen YH, Wang F, Chen L. The Interaction Between POMC rs2071345 Polymorphism and Alcohol Dependence in Anxiety Symptoms Among Chinese Male Problem Drinkers. Front Psychiatry 2022; 13:878960. [PMID: 35592377 PMCID: PMC9110641 DOI: 10.3389/fpsyt.2022.878960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 04/08/2022] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE Alcohol dependence can increase the level of anxiety. A growing body of research has identified a link between anxiety symptoms of problem drinkers and their genetic or environment factors, respectively. However, to date few studies have directly examined gene-environment (G × E) interaction on their anxiety symptoms during the acute alcohol withdrawal. The present study aims to examine the interaction between the proopiomelanocortin (POMC) rs2071345 polymorphism and alcohol dependence on anxiety symptoms of male problem drinkers, and further test the exact form of interaction on two competing models: the diathesis-stress model vs. the differential susceptibility model. METHODS A total of 440 male problem drinkers (M age = 44.5 years, SD = 9.45) were recruited from nine main psychiatric hospitals of northern China during acute alcohol withdrawal. Blood samples were collected for genotyping, self-reported anxiety symptoms, and levels of alcohol dependence were assessed. RESULTS Results indicated that the POMC rs2071345 polymorphism significantly moderated anxiety symptoms associated with alcohol dependence. A region of significance (RoS) test showed that male problem drinkers with T allele were more likely to experience more anxiety symptoms than those with CC homozygote when the standardized score of concurrent alcohol dependence was above 0.31. Confirmatory model evaluation indicated that the interaction effect involving POMC gene polymorphism conformed to the diathesis-stress model rather than differential-susceptibility model of person × environment interaction. CONCLUSIONS This study suggested that the SNP in POMC rs2071345 was associated with alcohol dependence in anxiety symptoms of male problem drinkers and further provided evidence in support of the diathesis-stress hypothesis of alcohol dependence in terms of anxiety symptoms.
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Affiliation(s)
- Liuzhi Hong
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Lutong Wen
- Department of Neurosurgery, Affiliated Cixi Hospital, Wenzhou Medical University, Ningbo, China
| | - Michelle Niculescu
- Department of Social Sciences, Chatham University, Pittsburgh, PA, United States
| | - Fan Zhou
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Yang Zou
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Guanghui Shen
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Wei Wang
- School of Mental Health, Wenzhou Medical University, Wenzhou, China.,The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yanlong Liu
- School of Mental Health, Wenzhou Medical University, Wenzhou, China.,The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yu-Hsin Chen
- Department of Psychology, College of Liberal Arts, Wenzhou-Kean University, Wenzhou, China
| | - Fan Wang
- Beijing Hui-Long-Guan Hospital, Peking University, Beijing, China.,Xinjiang Key Laboratory of Neurological Disorder Research, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Li Chen
- School of Mental Health, Wenzhou Medical University, Wenzhou, China.,The Affiliated Kangning Hospital, Wenzhou Medical University, Wenzhou, China
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19
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Lisboa PC, Miranda RA, Souza LL, Moura EG. Can breastfeeding affect the rest of our life? Neuropharmacology 2021; 200:108821. [PMID: 34610290 DOI: 10.1016/j.neuropharm.2021.108821] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 08/17/2021] [Accepted: 09/30/2021] [Indexed: 12/31/2022]
Abstract
The breastfeeding period is one of the most important critical windows in our development, since milk, our first food after birth, contains several compounds, such as macronutrients, micronutrients, antibodies, growth factors and hormones that benefit human health. Indeed, nutritional, and environmental alterations during lactation, change the composition of breast milk and induce alterations in the child's development, such as obesity, leading to the metabolic dysfunctions, cardiovascular diseases and neurobehavioral disorders. This review is based on experimental animal models, most of them in rodents, and summarizes the impact of an adequate breast milk supply in view of the developmental origins of health and disease (DOHaD) concept, which has been proposed by researchers in the areas of epidemiology and basic science from around the world. Here, experimental advances in understanding the programming during breastfeeding were compiled with the purpose of generating knowledge about the genesis of chronic noncommunicable diseases and to guide the development of public policies to deal with and prevent the problems arising from this phenomenon. This review article is part of the special issue on "Cross talk between periphery and brain".
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Affiliation(s)
- Patricia C Lisboa
- Laboratory of Endocrine Physiology, Department of Physiological Sciences, Roberto Alcantara Gomes Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
| | - Rosiane A Miranda
- Laboratory of Endocrine Physiology, Department of Physiological Sciences, Roberto Alcantara Gomes Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Luana L Souza
- Laboratory of Endocrine Physiology, Department of Physiological Sciences, Roberto Alcantara Gomes Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Egberto G Moura
- Laboratory of Endocrine Physiology, Department of Physiological Sciences, Roberto Alcantara Gomes Biology Institute, State University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Rocha-Gomes A, Teixeira AE, de Oliveira DG, Santiago CMO, da Silva AA, Riul TR, Lacerda ACR, Mendonça VA, Rocha-Vieira E, Leite HR. LPS tolerance prevents anxiety-like behavior and amygdala inflammation of high-fat-fed dams' adolescent offspring. Behav Brain Res 2021; 411:113371. [PMID: 34019914 DOI: 10.1016/j.bbr.2021.113371] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/15/2021] [Accepted: 05/15/2021] [Indexed: 02/04/2023]
Abstract
Maternal high-fat diets (HFD) can generate inflammation in the offspring's amygdala, which can lead to anxiety-like behaviors. Conversely, lipopolysaccharide (LPS) tolerance can reduce neuroinflammation in the offspring caused by maternal high-fat diets. This study evaluated the combination of LPS tolerance and high-fat maternal diet on amygdala's inflammatory parameters and the anxiety-like behavior in adolescent offspring. Female pregnant Wistar rats received randomly a standard diet or a high-fat diet during gestation and lactation. On gestation days 8, 10, and 12, half of the females in each group were intraperitonially injected with LPS (0.1 mg.kg-1). After weaning, the male offspring (n = 96) were placed in individual boxes in standard conditions, and when 6 weeks-old, the animals underwent: Open-Field, Light/Dark Box, Elevated Plus-Maze, and Rotarod tests. When 50 days-old the offspring were euthanized and the amygdala removed for cytokine and redox status analysis. The offspring in the HFD group showed lower amygdala IL-10 levels, high IL-6/IL-10 ratio, and anxiety-like behaviors. These effects were attenuated in the HFD offspring submitted to LPS tolerance, which showed an anti-inflammatory compensatory response in the amygdala. Also, this group showed a higher activity of the enzyme catalase in the amygdala. In addition, receiving the combination of LPS tolerance and maternal HFD did not lead to anxiety-like behavior in the offspring. The results suggest that LPS tolerance attenuated amygdala inflammation through an anti-inflammatory compensatory response besides preventing anxiety-like behavior caused by the high-fat maternal diet.
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Affiliation(s)
- Arthur Rocha-Gomes
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil; Laboratório de Nutrição Experimental - LabNutrex - Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Amanda Escobar Teixeira
- Laboratório de Nutrição Experimental - LabNutrex - Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Dalila Gomes de Oliveira
- Laboratório de Nutrição Experimental - LabNutrex - Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Camilla Mainy Oliveira Santiago
- Laboratório de Nutrição Experimental - LabNutrex - Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil; Programa de Pós-Graduação em Ciências da Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Alexandre Alves da Silva
- Laboratório de Nutrição Experimental - LabNutrex - Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Tania Regina Riul
- Laboratório de Nutrição Experimental - LabNutrex - Departamento de Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil; Programa de Pós-Graduação em Ciências da Nutrição, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Ana Cristina Rodrigues Lacerda
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Vanessa Amaral Mendonça
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Etel Rocha-Vieira
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil; Faculdade de Medicina do Campus JK, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil
| | - Hércules Ribeiro Leite
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil; Programa de Pós Graduação em Ciências da Reabilitação, Universidade Federal de Minas Gerais, Diamantina, MG, Brazil.
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21
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Ruigrok S, Kotah J, Kuindersma J, Speijer E, van Irsen A, la Fleur S, Korosi A. Adult food choices depend on sex and exposure to early-life stress: Underlying brain circuitry, adipose tissue adaptations and metabolic responses. Neurobiol Stress 2021; 15:100360. [PMID: 34277896 PMCID: PMC8264217 DOI: 10.1016/j.ynstr.2021.100360] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 06/21/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022] Open
Abstract
Exposure to early-life stress (ES) increases the risk to develop obesity later in life, and these effects may be sex-specific, but it is currently unknown what underlies the ES-induced metabolic vulnerability. We have previously shown that ES leads to a leaner phenotype under standard chow diet conditions, but to increased fat accumulation when exposed to an unhealthy obesogenic diet. However these diets were fed without a choice. An important, yet under investigated, element contributing to the development of obesity in humans is the choice of the food. There is initial evidence that ES leads to altered food choices but a thorough testing on how ES affects the choice of both the fat and sugar component, and if this is similar in males and females, is currently missing. We hypothesized that ES increases the choice for unhealthy foods, while it at the same time also affects the response to such a diet. In a mouse model for ES, in which mice are exposed to limited nesting and bedding material from postnatal day (P)2–P9, we investigated if ES exposure affected i) food choice with a free choice high-fat high-sugar diet (fcHFHS), ii) the response to such a diet, iii) the brain circuits that regulate food intake and food reward and iv) if such ES effects are sex-specific. We show that there are sex differences in food choice under basal circumstances, and that ES increases fat intake in females when exposed to a mild acute stressor. Moreover, ES impacts the physiologic response to the fcHFHS and the brain circuits regulating food intake in sex-specific manner. Our data highlight sex-specific effects of ES on metabolic functioning and food choice. Strong sex differences exist in food choice and metabolism in mice. Early-life stress (ES) increases fat intake in females after mild acute stress exposure. The physiological response to the diet is affected by ES in a sex-dependent manner. ES modulates the hedonic feeding circuitry.
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Affiliation(s)
- S.R. Ruigrok
- Center for Neuroscience, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands
| | - J.M. Kotah
- Center for Neuroscience, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands
| | - J.E. Kuindersma
- Center for Neuroscience, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands
| | - E. Speijer
- Center for Neuroscience, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands
| | - A.A.S. van Irsen
- Center for Neuroscience, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands
| | - S.E. la Fleur
- Amsterdam UMC, University of Amsterdam, Laboratory of Endocrinology, Department of Clinical Chemistry & Department of Endocrinology & Metabolism, Amsterdam Neuroscience, Meibergdreef 9, Amsterdam, Netherlands
- Netherlands Institute for Neuroscience, An Institute of the Royal Netherlands Academy of Arts and Sciences (KNAW), Meibergdreef 47, Amsterdam, Netherlands
| | - A. Korosi
- Center for Neuroscience, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, the Netherlands
- Corresponding author.
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22
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Saavedra LM, Hernández-Velázquez MG, Madrigal S, Ochoa-Zarzosa A, Torner L. Long-term activation of hippocampal glial cells and altered emotional behavior in male and female adult rats after different neonatal stressors. Psychoneuroendocrinology 2021; 126:105164. [PMID: 33611133 DOI: 10.1016/j.psyneuen.2021.105164] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/13/2021] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
Early life stress increases the risk of developing psychiatric diseases in adulthood. Severe neonatal infections can also contribute to the development of affective illnesses. Stress and infections both trigger the immediate activation of the neuroimmune system. We compared the long-term effects of neonatal single or combined stress-immune challenges on emotional behavior and glial cell responses in the hippocampus. Male and female Sprague Dawley rats were randomly allocated across four conditions: (1) control + vehicle; (2) maternal separation (MS, 3 h/day on postnatal days [PN] 1-14) + vehicle; (3) control + lipopolysaccharide (LPS, 0.5. mg/kg, PN14); (4) MS + LPS. The rats' behaviors were analyzed from PN120 in males and from PN150 in diestrous females. LPS, but not MS, increased anxiety-like behavior in male rats; however, in females, it increased with both challenges. Depressive-like behavior increased after MS-but not LPS-in males and females. Combined stressors increased depressive-like behavior in both sexes. All stressors promoted microglial activation in CA3 and hilus in males and females. MS and LPS increased the astrocytic density within the male hilus, but LPS only increased it in CA3. MS prevented the rise in astrocytic density with LPS. In females, MS reduced the astrocytic population of the hilus and CA3 areas. Taken together, the behavioral and glial cell responses to early life challenges are sex-dependent and cell-type specific. This suggests a sexual dimorphism in the nature of the adverse event faced. These results have implications for understanding the emergence of psychiatric illnesses.
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Affiliation(s)
- Luis Miguel Saavedra
- Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social, Morelia 58341, Michoacán, México; Centro Multidisciplinario de Estudios en Biotecnología - FMVZ, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro 58893, Michoacán, México
| | | | - Scarlette Madrigal
- Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social, Morelia 58341, Michoacán, México
| | - Alejandra Ochoa-Zarzosa
- Centro Multidisciplinario de Estudios en Biotecnología - FMVZ, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro 58893, Michoacán, México
| | - Luz Torner
- Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social, Morelia 58341, Michoacán, México.
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Life-course effects of early life adversity exposure on eating behavior and metabolism. ADVANCES IN FOOD AND NUTRITION RESEARCH 2021; 97:237-273. [PMID: 34311901 DOI: 10.1016/bs.afnr.2021.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Environmental variations in early life influence brain development, making individuals more vulnerable to psychiatric and metabolic disorders. Early life stress (ELS) has a strong impact on the development of eating behavior. However, eating is a complex behavior, determined by an interaction between signals of energy homeostasis, neuronal circuits involved in its regulation, and circuits related to rewarding properties of the food. Although mechanisms underlying ELS-induced altered feeding behavior are not completely understood, evidence suggest that the effects of ELS on metabolic, mood, and emotional disorders, as well as reward system dysfunctions can contribute directly or indirectly to altered feeding behavior. The focus of this chapter is to discuss the effects of ELS on eating behavior and metabolism, considering different factors that control appetite such as energy homeostasis, hedonic properties of the food, emotional and cognitive status. After highlighting classic studies on the association between ELS and eating behavior alterations, we discuss how exposure to adversity can interact with genetics characteristics to predict variable outcomes.
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Ceschim VC, Sumarán P, Borges AA, Girardi CEN, Suchecki D. Maternal deprivation during early infancy in rats increases oxytocin immunoreactivity in females and corticosterone reactivity to a social test in both sexes without changing emotional behaviour. Horm Behav 2021; 129:104928. [PMID: 33453261 DOI: 10.1016/j.yhbeh.2021.104928] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 12/30/2020] [Accepted: 12/31/2020] [Indexed: 11/18/2022]
Abstract
Impairment of social behaviour is a hallmark of emotional disorders, with increased avoidance of social contact. In rats, the 24 h maternal deprivation (DEP) paradigm is used to understand the impact of extreme neglect on neurodevelopment. Due to the distinct immediate effects of DEP on postnatal days (PND) 3 (DEP3) or 11 (DEP11), in the present study we investigated the long-term effects of DEP at these ages on anxiety-like behaviour, by recording the visits and time spent in the centre part of the open-field, social investigation of a confined, same-sex, unfamiliar animal, basal and post-social test corticosterone plasma levels and the immunoreactivity to oxytocin in the paraventricular (PVN) and supraoptic nuclei of the hypothalamus (SON). Whole litters were distributed into control (CTL), DEP3 or DEP11 groups and behavioural tests and biological samples were collected between PNDs 40 and 45 in males and females. There were no differences in the exploration of the central part of the open field or on the time investigating the unfamiliar rat. However, the percent increase in post-test corticosterone secretion from baseline was greater for both DEP3 male and female subgroups than their CTL and DEP11 counterparts. DEP3 females showed more oxytocin staining than DEP11 counterparts in magnocellular neurons of the SON and PVN. These results suggest that DEP at the ages chosen does not alter social investigation, although it results in distinct neurobiological outcomes, depending on the developmental phase when it is imposed.
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Affiliation(s)
- Viviane C Ceschim
- Department of Psychobiology, Universidade Federal de São Paulo -, São Paulo, Brazil
| | - Paula Sumarán
- Department of Psychobiology, Universidade Federal de São Paulo -, São Paulo, Brazil
| | - Andrea A Borges
- Department of Psychobiology, Universidade Federal de São Paulo -, São Paulo, Brazil
| | | | - Deborah Suchecki
- Department of Psychobiology, Universidade Federal de São Paulo -, São Paulo, Brazil.
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Effect of Ethnic Identity on the Relationship Between Acculturation Stress and Abnormal Food Behaviors in Colombian Migrants in Chile. J Racial Ethn Health Disparities 2021; 9:413-419. [PMID: 33559108 DOI: 10.1007/s40615-021-00972-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Acculturation stress may influence the development of abnormal eating behaviors. However, some mental health indicators, such as ethnic identity, may have a protective effect on this relationship. This study's main objective is to analyze the mediating effect of ethnic identity on the relationship between acculturation stress and abnormal eating behaviors in Colombian migrants living in Chile. METHODS We obtained data on 976 Colombian migrants who were recruited with the help of the Department of Foreign Affairs, the Colombian Consulate in Chile, and self-managed groups of migrants residing in Chile. The mediation model was analyzed using Mplus 8.2 software, using the robust weighted least squares (WLSMV) estimation method. RESULTS The most common abnormal eating behaviors were eating until you feel full and eating large amounts of food. The mediation model was adapted to the data. The effects indicate that ethnic identity only had an indirect effect on the problems of social relations with other migrants (indirect effect = .17, p = .01) and on the distance from the origin (indirect effect = -. 06, p = .01) on the abnormal eating behaviors. On the other hand, the ethnic identity presented a direct and indirect effect on the relationship between citizenship and legality problems, and abnormal behaviors (indirect effect = -.06, p = .04; direct effect = -.35, p = .01). DISCUSSION Ethnic identity could be fundamental in the relationship between acculturation stress and abnormal eating behaviors, considering that post-migration eating practices are associated with unhealthy eating habits.
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Tavares GA, Torres A, de Souza JA. Early Life Stress and the Onset of Obesity: Proof of MicroRNAs' Involvement Through Modulation of Serotonin and Dopamine Systems' Homeostasis. Front Physiol 2020; 11:925. [PMID: 32848865 PMCID: PMC7399177 DOI: 10.3389/fphys.2020.00925] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 07/09/2020] [Indexed: 01/12/2023] Open
Abstract
Healthy persons hold a very complex system for controlling energy homeostasis. The system functions on the interconnected way between the nutritional, endocrine, neural, and epigenetic regulation, which includes the microRNAs (miRNAs). Currently, it is well accepted that experiences of early life stress (ELS) carry modification of the central control of feeding behavior, one of the factors controlling energy homeostasis. Recently, studies give us a clue on the modulation of eating behavior, which is one of the main factors associated with the development of obesity. This clue connected the neural control through the serotonin (5HT) and dopamine (DA) systems with the fine regulation of miRNAs. The first pieces of evidence highlight the presence of the miR-16 in the regulation of the serotonin transporter (SERT) as well as the receptors 1a (5HT1A) and 2a (5HT2A). On the other hand, miR-504 is related to the dopamine receptor D2 (DRD2). As our knowledge advance, we expected to discover other important pathways for the regulation of the energy homeostasis. As both neurotransmission systems and miRNAs seem to be sensible to ELS, the aim of this review is to bring new insight about the involvement of miRNAs with a central role in the control of eating behavior focusing on the influences of ELS and regulation of neurotransmission systems.
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Affiliation(s)
- Gabriel Araujo Tavares
- Nantes Université, INRAE, UMR 1280, PhAN, Nantes, France.,Laboratory of Neuroplasticity and Behavior, Graduate Program of Nutrition, Federal University of Pernambuco, Recife, Brazil
| | - Amada Torres
- Nantes Université, INRAE, UMR 1280, PhAN, Nantes, France.,Developmental Genetics and Molecular Physiology, Instituto de Biotecnologia, Universidad Nacional Autonoma de Mexico - Campus Morelos, Cuernavaca, Mexico
| | - Julliet Araujo de Souza
- Laboratory of Neuroplasticity and Behavior, Graduate Program of Neuropsychiatry and Behavioral Sciences, Federal University of Pernambuco, Recife, Brazil
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Nutri-Epigenetics and Gut Microbiota: How Birth Care, Bonding and Breastfeeding Can Influence and Be Influenced? Int J Mol Sci 2020; 21:ijms21145032. [PMID: 32708742 PMCID: PMC7404045 DOI: 10.3390/ijms21145032] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/07/2020] [Accepted: 07/14/2020] [Indexed: 12/12/2022] Open
Abstract
Maternal lifestyle is an important factor in the programming of an infant's epigenome, in particular when considered alongside the mode of birth and choice of feeding method (i.e., breastfeeding or formula feeding). Beginning in utero, and during the first two years of an infant's life, cells acquire an epigenetic memory of the neonatal exposome which can be influential across the entire lifespan. Parental lifestyle (e.g., malnutrition, alcohol intake, smoke, stress, exposure to xenobiotics and/or drugs) can modify both the maternal and paternal epigenome, leading to epigenetic inheritance in their offspring. This review aims to outline the origin of early life modulation of the epigenome, and to share this fundamental concept with all the health care professionals involved in the development and provision of care during childbirth in order to inform future parents and clinicians of the importance of the this process and the key role it plays in the programming of a child's health.
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28
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Gondré-Lewis MC, Bassey R, Blum K. Pre-clinical models of reward deficiency syndrome: A behavioral octopus. Neurosci Biobehav Rev 2020; 115:164-188. [PMID: 32360413 DOI: 10.1016/j.neubiorev.2020.04.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 04/08/2020] [Accepted: 04/20/2020] [Indexed: 12/15/2022]
Abstract
Individuals with mood disorders or with addiction, impulsivity and some personality disorders can share in common a dysfunction in how the brain perceives reward, where processing of natural endorphins or the response to exogenous dopamine stimulants is impaired. Reward Deficiency Syndrome (RDS) is a polygenic trait with implications that suggest cross-talk between different neurological systems that include the known reward pathway, neuroendocrine systems, and motivational systems. In this review we evaluate well-characterized animal models for their construct validity and as potential models for RDS. Animal models used to study substance use disorder, major depressive disorder (MDD), early life stress, immune dysregulation, attention deficit hyperactivity disorder (ADHD), post traumatic stress disorder (PTSD), compulsive gambling and compulsive eating disorders are discussed. These disorders recruit underlying reward deficiency mechanisms in multiple brain centers. Because of the widespread and remarkable array of associated/overlapping behavioral manifestations with a common root of hypodopaminergia, the basic endophenotype recognized as RDS is indeed likened to a behavioral octopus. We conclude this review with a look ahead on how these models can be used to investigate potential therapeutics that target the underlying common deficiency.
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Affiliation(s)
- Marjorie C Gondré-Lewis
- Department of Anatomy, Howard University College of Medicine, 520 W Street, NW, Washington D.C., 20059, United States; Developmental Neuropsychopharmacology Laboratory, Howard University College of Medicine, 520 W Street, NW, Washington D.C., 20059, United States.
| | - Rosemary Bassey
- Developmental Neuropsychopharmacology Laboratory, Howard University College of Medicine, 520 W Street, NW, Washington D.C., 20059, United States; Department of Science Education, Donald and Barbara Zucker School of Medicine at Hofstra/ Northwell, 500 Hofstra University, Hempstead, NY 11549, United States
| | - Kenneth Blum
- Western University Health Sciences, Graduate College of Biomedical Sciences, Pomona, California, United States
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Zhang X, Li H, Sun H, Jiang Y, Wang A, Kong Y, Sun X, Zhu G, Li Q, Du Z, Sun H, Sun L. Effects of BDNF Signaling on Anxiety-Related Behavior and Spatial Memory of Adolescent Rats in Different Length of Maternal Separation. Front Psychiatry 2020; 11:709. [PMID: 32793001 PMCID: PMC7391957 DOI: 10.3389/fpsyt.2020.00709] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 07/06/2020] [Indexed: 12/11/2022] Open
Abstract
As an adverse form of early-life stress (ELS), maternal separation (MS) can interfere with the development of cognition and behaviors of adolescent rodents. Brain-derived neurotrophic factor (BDNF) is involved in the regulation of brain development and function, but the molecular mechanisms by which BDNF regulates brain function and behavior in MS with different stressor strengths remain unclear. This descriptive study characterized the levels of BDNF in the prefrontal cortex (PFC) and plasma corticosterone (CORT) from the offspring of rats exposed to early handling (EH, 15-min separation per day) and prolonged MS (PMS, 180-min separation per day), during postnatal days (PND) 1‑21. The behavioral and biochemical analyses were performed during adolescence (PND 42‑56). PMS resulted in reduced weight and decreased locomotor activity in the open field test and Y-maze task compared to control (CON) group, with EH showing an intermediate phenotype. BDNF protein levels in the PFC were lower in PMS compared to EH and further reduced in CON male rats. Plasma CORT levels were higher in PMS compared to CON with EH again showing intermediate levels. Neither PMS or EH affected spatial learning in the Y-maze task. These findings indicate that longer periods of maternal separation are necessary to increase anxiety-like behavior, elevate CORT levels, and further suppress BDNF levels in the PFC, providing a possible mechanism to explain why more severe forms of ELS lead to more significant psychiatric and medical consequences later in life.
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Affiliation(s)
- Xianqiang Zhang
- Department of Psychology, Weifang Medical University, Weifang, China
| | - Haonan Li
- Department of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Haoran Sun
- Department of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Yinghong Jiang
- Department of Psychology, Weifang Medical University, Weifang, China
| | - Aihong Wang
- Department of Hematology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Yujia Kong
- School of Public Health and Management, Weifang Medical University, Weifang, China
| | - Xiue Sun
- Department of Nursing, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Guohui Zhu
- Depression Treatment Center, Weifang Mental Health Center, Weifang, China
| | - Qi Li
- Department of Psychiatry and Centre for Reproduction Growth and Development, University of Hong Kong, Hong Kong, Hong Kong
| | - Zhongde Du
- Department of Neurology, Sunshine Union Hospital, Weifang, China
| | - Hongwei Sun
- Department of Psychology, Weifang Medical University, Weifang, China
| | - Lin Sun
- Department of Psychology, Weifang Medical University, Weifang, China
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