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de Wouters d'Oplinter A, Verce M, Huwart SJP, Lessard-Lord J, Depommier C, Van Hul M, Desjardins Y, Cani PD, Everard A. Obese-associated gut microbes and derived phenolic metabolite as mediators of excessive motivation for food reward. MICROBIOME 2023; 11:94. [PMID: 37106463 PMCID: PMC10142783 DOI: 10.1186/s40168-023-01526-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 03/20/2023] [Indexed: 05/12/2023]
Abstract
BACKGROUND Excessive hedonic consumption is one of the main drivers for weight gain. Identifying contributors of this dysregulation would help to tackle obesity. The gut microbiome is altered during obesity and regulates host metabolism including food intake. RESULTS By using fecal material transplantation (FMT) from lean or obese mice into recipient mice, we demonstrated that gut microbes play a role in the regulation of food reward (i.e., wanting and learning processes associated with hedonic food intake) and could be responsible for excessive motivation to obtain sucrose pellets and alterations in dopaminergic and opioid markers in reward-related brain areas. Through untargeted metabolomic approach, we identified the 3-(3'-hydroxyphenyl)propanoic acid (33HPP) as highly positively correlated with the motivation. By administrating 33HPP in mice, we revealed its effects on food reward. CONCLUSIONS Our data suggest that targeting the gut microbiota and its metabolites would be an interesting therapeutic strategy for compulsive eating, preventing inappropriate hedonic food intake. Video Abstract.
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Affiliation(s)
- Alice de Wouters d'Oplinter
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium
| | - Marko Verce
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium
| | - Sabrina J P Huwart
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium
| | - Jacob Lessard-Lord
- Institute of Nutrition and Functional Foods (INAF), Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
- Nutrition, Health and Society Centre (NUTRISS), INAF, Laval University, Québec, QC, Canada
- Department of Plant Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Clara Depommier
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium
| | - Matthias Van Hul
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium
| | - Yves Desjardins
- Institute of Nutrition and Functional Foods (INAF), Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
- Nutrition, Health and Society Centre (NUTRISS), INAF, Laval University, Québec, QC, Canada
- Department of Plant Science, Faculty of Agriculture and Food Sciences, Laval University, Québec, QC, Canada
| | - Patrice D Cani
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium
| | - Amandine Everard
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium.
- Walloon Excellence in Life Sciences and BIOtechnology (WELBIO) department, WEL Research Institute (WELRI), avenue Pasteur, 6, 1300, Wavre, Belgium.
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2
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Horton AL, Campbell EJ, Aumann TD, O'Brien KR, Lawrence AJ, Brown RM. Addiction-like behaviour towards high-fat high-sugar food predicts relapse propensity in both obesity prone and obesity resistant C57BL/6 J mice. Prog Neuropsychopharmacol Biol Psychiatry 2023; 121:110654. [PMID: 36209772 DOI: 10.1016/j.pnpbp.2022.110654] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 07/11/2022] [Accepted: 10/02/2022] [Indexed: 11/07/2022]
Abstract
Compulsive overeating of palatable food is thought to underlie some forms of obesity. Similarities are often observed in the behavioural symptomology and the neuropathophysiology underlying substance use disorder and compulsive overeating. As such, preclinical animal models which assess addiction-like behaviour towards food may assist the understanding of the neurobiology underlying overeating behaviour. Further, the relationship between these behaviours and the propensity for diet-induced obesity warrants examination. In this study we investigated the relationship between the propensity for diet-induced obesity (DIO) and addiction-like behaviour towards highly palatable food in C57BL/6 J mice as measured by a 3-criteria model. We also examined the extent to which performance on this 3-criteria model predicted two key hallmark features of addiction - resistance to extinction and relapse propensity (as measured by reinstatement of lever pressing). C57BL/6 J mice were allowed free access to a palatable diet for 8 weeks then separated by weight gain into DIO-prone and DIO-resistant subgroups. Access to palatable food was then restricted to daily operant self-administration sessions whereby addiction-like behaviour towards a high-fat high-sugar food reward was assessed using a 3-criteria model similar to that used to assess addiction-like behaviour towards drugs of abuse. In contrast to findings in rats, no difference in addiction-like behaviour towards food was observed between obesity prone (OP) and obesity resistant (OR) mice. Similarly, principal components analysis found no distinct patterns in the relationship between addiction-like behaviours across treatment groups. This suggests that the strain and species of rodent may be critical for studying the mechanisms underlying pathological overconsumption. Further analysis revealed that the extent of performance on the 3-criteria model correlated with the propensity for C57BL/6 J mice to both extinguish food seeking behaviour and "relapse" after a period of withdrawal. This finding was evident across all groups, regardless of DIO. Collectively, these data validate the 3-criteria model as a robust model to comprehensively assess food addiction-like behaviour in mice, regardless of prior food intake history.
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Affiliation(s)
- Anna L Horton
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia; Department of Biochemistry and Pharmacology, University of Melbourne, VIC, Australia; Florey Department of Neuroscience & Mental Health, University of Melbourne, VIC, Australia
| | - Erin J Campbell
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia; Florey Department of Neuroscience & Mental Health, University of Melbourne, VIC, Australia; School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW, Australia
| | - Timothy D Aumann
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia
| | - Katrina R O'Brien
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia
| | - Andrew J Lawrence
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia; Florey Department of Neuroscience & Mental Health, University of Melbourne, VIC, Australia
| | - Robyn M Brown
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, VIC, Australia; Department of Biochemistry and Pharmacology, University of Melbourne, VIC, Australia; Florey Department of Neuroscience & Mental Health, University of Melbourne, VIC, Australia.
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Espitia-Bautista E, Escobar C. Fat rather than sugar diet leads to binge-type eating, anticipation, effort behavior and activation of the corticolimbic system. Nutr Neurosci 2021; 24:508-519. [PMID: 31419190 DOI: 10.1080/1028415x.2019.1651104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Objectives: One factor contributing to the development of obesity is overeating palatable food. The palatability of food is driven by specific energy yielding combinations and flavor profiles that may contribute to its overconsumption. In rodents, restricted access to palatable food (PF) is a strong stimulus to trigger binge-type eating behavior (BTE), food anticipatory activity (FAA), effort behaviors and withdrawal symptoms. This is accompanied by plastic changes in corticolimbic areas associated with motivation and reward responses. Palatable food contains mainly a mixture of fat and sugar, thus, the contribution of each macronutrient for the behavioral and neuronal changes is unclear.Methods: In this study, Wistar rats were exposed to restricted access to 50% fat rich diet (FRD) or 50% sugar rich diet (SRD) in order to compare the intensity of BTE, FAA, effort behaviors and withdrawal responses.Results: In corticolimbic areas, c-Fos activation and ΔFosB accumulation were evaluated. After an acute exposition, rats ate more SRD than FRD, but FDR stimulated higher c-Fos. After chronic administration, the FDR group exhibited higher levels of BTE and FAA; this was associated with higher c-Fos and accumulation of ΔFosB in the corticolimbic system. Similar effects in the FRD group were observed after one week of withdrawal.Discussion: Present data indicate that the fat rich diet is a stronger stimulus than the sugar rich diet for the development of wanting behavior for reward and the underlying plastic changes in the corticolimbic system. The differential effects may be due to the differing caloric density of the diets.
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Affiliation(s)
| | - Carolina Escobar
- Departamento de Anatomía, Facultad de Medicina, UNAM, Ciudad de México, México
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Sked S, Abbar S, Cooper R, Corrigan R, Pan X, Ranabhat S, Wang C. Monitoring and Controlling House Mouse, Mus musculus domesticus, Infestations in Low-Income Multi-Family Dwellings. Animals (Basel) 2021; 11:ani11030648. [PMID: 33804552 PMCID: PMC7998920 DOI: 10.3390/ani11030648] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/20/2021] [Accepted: 02/22/2021] [Indexed: 12/26/2022] Open
Abstract
The house mouse, Mus musculus domesticus, is a common pest in multi-family residential apartment buildings. This study was designed to gain insights into residents' impressions of house mice, develop more effective house mouse detection methods, and evaluate the effectiveness of building-wide house mouse management programs. Two high-rise apartment buildings in New Jersey were selected for this study during 2019-2020. Bait stations with three different non-toxic baits were used to detect house mouse activity. Two rodenticides (FirstStrike®-0.0025% difethialone and Contrac®-0.005% bromadiolone) were applied by researchers over a 63-day period and pest control operations were then returned to pest control contractors for rodent management. There were significant differences in the consumption rates of non-toxic baits and two toxic baits tested. A novel non-toxic bait, chocolate spread, was much more sensitive than the two commercial non-toxic baits for detecting mouse activity. The house mouse management programs resulted in an average 87% reduction in the number of infested apartments after three months. At 12 months, the number of infestations decreased by 94% in one building, but increased by 26% in the second building. Sustainable control of house mouse infestations requires the use of effective monitoring strategies and control programs coupled with preventative measures.
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Affiliation(s)
- Shannon Sked
- Department of Entomology, Rutgers—The State University of New Jersey, 96 Lipman Dr., New Brunswick, NJ 08901, USA; (S.S.); (S.A.); (R.C.); (X.P.); (S.R.)
| | - Salehe Abbar
- Department of Entomology, Rutgers—The State University of New Jersey, 96 Lipman Dr., New Brunswick, NJ 08901, USA; (S.S.); (S.A.); (R.C.); (X.P.); (S.R.)
| | - Richard Cooper
- Department of Entomology, Rutgers—The State University of New Jersey, 96 Lipman Dr., New Brunswick, NJ 08901, USA; (S.S.); (S.A.); (R.C.); (X.P.); (S.R.)
| | - Robert Corrigan
- RMC Pest Management Consulting, LLC, Briarcliff Manor, NY 10510, USA;
| | - Xiaodan Pan
- Department of Entomology, Rutgers—The State University of New Jersey, 96 Lipman Dr., New Brunswick, NJ 08901, USA; (S.S.); (S.A.); (R.C.); (X.P.); (S.R.)
| | - Sabita Ranabhat
- Department of Entomology, Rutgers—The State University of New Jersey, 96 Lipman Dr., New Brunswick, NJ 08901, USA; (S.S.); (S.A.); (R.C.); (X.P.); (S.R.)
| | - Changlu Wang
- Department of Entomology, Rutgers—The State University of New Jersey, 96 Lipman Dr., New Brunswick, NJ 08901, USA; (S.S.); (S.A.); (R.C.); (X.P.); (S.R.)
- Correspondence: ; Tel.: +1-848-932-9552
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Jensen BE, Townsley KG, Grigsby KB, Metten P, Chand M, Uzoekwe M, Tran A, Firsick E, LeBlanc K, Crabbe JC, Ozburn AR. Ethanol-Related Behaviors in Mouse Lines Selectively Bred for Drinking to Intoxication. Brain Sci 2021; 11:189. [PMID: 33557285 PMCID: PMC7915226 DOI: 10.3390/brainsci11020189] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 11/18/2022] Open
Abstract
Alcohol use disorder (AUD) is a devastating psychiatric disorder that has significant wide-reaching effects on individuals and society. Selectively bred mouse lines are an effective means of exploring the genetic and neuronal mechanisms underlying AUD and such studies are translationally important for identifying treatment options. Here, we report on behavioral characterization of two replicate lines of mice that drink to intoxication, the High Drinking in the Dark (HDID)-1 and -2 mice, which have been selectively bred (20+ generations) for the primary phenotype of reaching high blood alcohol levels (BALs) during the drinking in the dark (DID) task, a binge-like drinking assay. Along with their genetically heterogenous progenitor line, Hs/Npt, we tested these mice on: DID and drinking in the light (DIL); temporal drinking patterns; ethanol sensitivity, through loss of righting reflex (LORR); and operant self-administration, including fixed ratio (FR1), fixed ratio 3:1 (FR3), extinction/reinstatement, and progressive ratio (PR). All mice consumed more ethanol during the dark than the light and both HDID lines consumed more ethanol than Hs/Npt during DIL and DID. In the dark, we found that the HDID lines achieved high blood alcohol levels early into a drinking session, suggesting that they exhibit front loading like drinking behavior in the absence of the chronicity usually required for such behavior. Surprisingly, HDID-1 (female and male) and HDID-2 (male) mice were more sensitive to the intoxicating effects of ethanol during the dark (as determined by LORR), while Hs/Npt (female and male) and HDID-2 (female) mice appeared less sensitive. We observed lower HDID-1 ethanol intake compared to either HDID-2 or Hs/Npt during operant ethanol self-administration. There were no genotype differences for either progressive ratio responding, or cue-induced ethanol reinstatement, though the latter is complicated by a lack of extinguished responding behavior. Taken together, these findings suggest that genes affecting one AUD-related behavior do not necessarily affect other AUD-related behaviors. Moreover, these findings highlight that alcohol-related behaviors can also differ between lines selectively bred for the same phenotype, and even between sexes within those same line.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Angela R. Ozburn
- Department of Behavioral Neuroscience, Oregon Health & Science University, and VA Portland Health Care System, Portland, OR 97239, USA; (B.E.J.); (K.G.T.); (K.B.G.); (P.M.); (M.C.); (M.U.); (A.T.); (E.F.); (K.L.); (J.C.C.)
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6
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Coker CR, Keller BN, Arnold AC, Silberman Y. Impact of High Fat Diet and Ethanol Consumption on Neurocircuitry Regulating Emotional Processing and Metabolic Function. Front Behav Neurosci 2021; 14:601111. [PMID: 33574742 PMCID: PMC7870708 DOI: 10.3389/fnbeh.2020.601111] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/28/2020] [Indexed: 01/12/2023] Open
Abstract
The prevalence of psychiatry disorders such as anxiety and depression has steadily increased in recent years in the United States. This increased risk for anxiety and depression is associated with excess weight gain, which is often due to over-consumption of western diets that are typically high in fat, as well as with binge eating disorders, which often overlap with overweight and obesity outcomes. This finding suggests that diet, particularly diets high in fat, may have important consequences on the neurocircuitry regulating emotional processing as well as metabolic functions. Depression and anxiety disorders are also often comorbid with alcohol and substance use disorders. It is well-characterized that many of the neurocircuits that become dysregulated by overconsumption of high fat foods are also involved in drug and alcohol use disorders, suggesting overlapping central dysfunction may be involved. Emerging preclinical data suggest that high fat diets may be an important contributor to increased susceptibility of binge drug and ethanol intake in animal models, suggesting diet could be an important aspect in the etiology of substance use disorders. Neuroinflammation in pivotal brain regions modulating metabolic function, food intake, and binge-like behaviors, such as the hypothalamus, mesolimbic dopamine circuits, and amygdala, may be a critical link between diet, ethanol, metabolic dysfunction, and neuropsychiatric conditions. This brief review will provide an overview of behavioral and physiological changes elicited by both diets high in fat and ethanol consumption, as well as some of their potential effects on neurocircuitry regulating emotional processing and metabolic function.
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Affiliation(s)
- Caitlin R. Coker
- Biochemistry and Molecular & Cellular Biology, Georgetown University School of Medicine, Washington, DC, United States
| | - Bailey N. Keller
- Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, PA, United States
| | - Amy C. Arnold
- Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, PA, United States
| | - Yuval Silberman
- Neural and Behavioral Sciences, Penn State College of Medicine, Hershey, PA, United States
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7
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Espitia-Bautista E, Escobar C. Addiction-like response in brain and behavior in a rat experimental model of night-eating syndrome. Appetite 2021; 161:105112. [PMID: 33453338 DOI: 10.1016/j.appet.2021.105112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 11/04/2020] [Accepted: 01/07/2021] [Indexed: 11/28/2022]
Abstract
STUDY OBJECTIVES Individuals ailing from night eating syndrome (NES) consume more than 25% of their daily food intake during the normal sleep time, delaying their sleep or waking up in the middle of the night to eat. This study explored two experimental conditions resembling NES in Wistar rats by offering palatable food during the sleep phase, alone or combined with sleep delay. Also we explored their impact on addiction-like changes in the brain and behavior. METHODS Experiment 1 explored the brain response after a first NES-like event; experiment 2 and 3 explored addiction-like behaviors c-Fos and FosB/ΔFosB in corticolimbic regions after 4 weeks exposition to NES-like conditions and after one week of withdrawal, respectively. For all 3 experiments 6 experimental groups were used: 1. Control; 2. Restricted access (1 h) to high-sugar diet (HSD) or to 3. high-fat diet (HFD); 4., Sleep delay for 4 h (SD) (from ZT0-ZT4, rats using slow rotating wheels); 5. SD + HSD; 6. SD + HFD. RESULTS A first event of eating a palatable diet with or without SD was sufficient to stimulate c-Fos and ΔFosB. Along 4 weeks of exposure to the palatable diets rats exhibited escalation and binge eating, which was highest for the HFD. At this stage, SD did not influence behavioral changes nor the neuronal response. After one-week in withdrawal, rats exhibited craving and effort to obtain their palatable diet. The brains of rats previously exposed to sleep delay maintained high levels of FosB/ΔFosB in the accumbens shell and high c-Fos activation in the insular cortex. CONCLUSIONS In our experimental models of NES-like a HFD in the sleep phase and SD are risk factors to develop binge eating and addiction-like behaviors.
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Affiliation(s)
- Estefania Espitia-Bautista
- Facultad de Medicina, Departamento de Anatomía, Universidad Nacional Autónoma de México, 04510, México City, Mexico
| | - Carolina Escobar
- Facultad de Medicina, Departamento de Anatomía, Universidad Nacional Autónoma de México, 04510, México City, Mexico.
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Lloyd K, Reyes T. High fat diet consumption restricted to adolescence has minimal effects on adult executive function that vary by sex. Nutr Neurosci 2020; 25:801-811. [PMID: 32840166 DOI: 10.1080/1028415x.2020.1809879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Early life environment can have a lasting effect on brain development and behavior. Diet is a potent environmental factor that can positively or negatively affect neurodevelopment, and unfortunately, the likelihood of a poor diet is high during adolescence. Adverse effects of adolescent high fat diet have been observed on reward-related behaviors, reversal learning, and hippocampal-dependent learning tasks in rodents when tested in adulthood. The prefrontal cortex (PFC) continues to develop throughout adolescence and is thus vulnerable to environmental insults such as poor diet. Therefore, we sought to examine the effects of a high fat diet (HFD) consumed only during adolescence on later life adult PFC-dependent executive function. Male and female mice were fed a HFD (60% energy from fat) during either early or late adolescence then switched to standard chow and tested in a battery of touchscreen-based operant tests of executive function in adulthood. Contrary to our prediction of an adverse effect of HFD, there was no effect of adolescent HFD in males, and females showed faster learning and decreased inattention in adulthood. We conclude that the effects of adolescent-limited HFD on adult executive function are mild, positive, and vary by sex.
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Affiliation(s)
- Kelsey Lloyd
- Pharmacology and Systems Physiology, College of Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Teresa Reyes
- Pharmacology and Systems Physiology, College of Medicine, University of Cincinnati, Cincinnati, OH, USA
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Wang T, Bai S, Wang W, Chen Z, Chen J, Liang Z, Qi X, Shen H, Xie P. Diterpene Ginkgolides Exert an Antidepressant Effect Through the NT3-TrkA and Ras-MAPK Pathways. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:1279-1294. [PMID: 32308365 PMCID: PMC7132272 DOI: 10.2147/dddt.s229145] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 03/16/2020] [Indexed: 12/13/2022]
Abstract
Background Depression is a highly prevalent mental illness that severely impacts the quality of life of affected individuals. Our recent studies demonstrated that diterpene ginkgolides (DG) have antidepressant effects in mice. However, the underlying molecular mechanisms remained much unclear. Methods In this study, we assessed the antidepressant effects of chronic DG therapy in rats by evaluating depression-related behaviors, we also examined potential side effects using biochemical indicators. Furthermore, we performed an in-depth molecular network analysis of gene–protein–metabolite interactions on the basis of metabolomics. Results Chronic DG treatment significantly ameliorated the depressive-like behavioral phenotype. Furthermore, the neurotrophin signaling-related NT3-TrkA and Ras-MAPK pathways may play an important role in the antidepressant effect of DG in the hippocampus. Conclusion These findings provide novel insight into the mechanisms underlying the antidepressant action of DG, and should help advance the development of new therapeutic strategies for depression.
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Affiliation(s)
- Ting Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China
| | - Shunjie Bai
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China
| | - Wei Wang
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Zhi Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China
| | - Jianjun Chen
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China
| | - Zihong Liang
- Department of Neurology, The Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia, People's Republic of China
| | - Xunzhong Qi
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Hailan Shen
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Peng Xie
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Neurobiology, Chongqing, People's Republic of China.,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Department of Neurology, The Inner Mongolia Autonomous Region People's Hospital, Hohhot, Inner Mongolia, People's Republic of China.,Chongqing Key Laboratory of Cerebrovascular Disease Research, Chongqing, People's Republic of China
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10
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Rodriguez-Gonzalez A, Orio L. Microbiota and Alcohol Use Disorder: Are Psychobiotics a Novel Therapeutic Strategy? Curr Pharm Des 2020; 26:2426-2437. [PMID: 31969090 DOI: 10.2174/1381612826666200122153541] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 12/30/2019] [Indexed: 02/08/2023]
Abstract
In recent years, there has been an exciting focus of research attempting to understand neuropsychiatric disorders from a holistic perspective in order to determine the role of gut microbiota in the aetiology and pathogenesis of such disorders. Thus, the possible therapeutic benefits of targeting gut microbiota are being explored for conditions such as stress, depression or schizophrenia. Growing evidence indicates that there is bidirectional communication between gut microbiota and the brain that has an effect on normal CNS functioning and behavioural responses. Alcohol abuse damages the gastrointestinal tract, alters gut microbiota and induces neuroinflammation and cognitive decline. The relationship between alcohol abuse and hypothalamic-pituitary-adrenal axis activation, inflammation and immune regulation has been well documented. In this review, we explore the connection between microbiota, brain function and behaviour, as well as the mechanisms through which alcohol induces microbiota dysbiosis and intestinal barrier dysfunction. Finally, we propose the study of psychobiotics as a novel pharmaceutical strategy to treat alcohol use disorders.
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Affiliation(s)
- Alicia Rodriguez-Gonzalez
- Department of Psychobiology and Methods in Behavioural Sciences, Faculty of Psychology, Complutense University of Madrid, Madrid, Spain
| | - Laura Orio
- Department of Psychobiology and Methods in Behavioural Sciences, Faculty of Psychology, Complutense University of Madrid, Madrid, Spain
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Vulnerability to diet-induced obesity is associated with greater food priming-induced reinstatement of palatable food seeking. Physiol Behav 2019; 213:112730. [PMID: 31678197 DOI: 10.1016/j.physbeh.2019.112730] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 01/24/2023]
Abstract
We examined whether individual differences in weight gain during exposure to a "junk-food" diet were related to differences in later relapse-like behavior in a rat model. Following free access to a junk-food diet for 7 weeks, rats were trained to press a lever for palatable food pellets. Following extinction training, rats were tested for cue- and pellet priming-induced reinstatement. Results showed that rats prone to obesity while on the junk-food diet displayed greater pellet priming-, but not cue-, induced reinstatement relative to obesity-resistant rats, suggesting that obesity vulnerability is a factor determining one's chances for some types of relapse.
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