1
|
Bottemanne H, English I, Bottemanne L, Torres P, Beauquier B, Joly L. From love to pain: is oxytocin the key to grief complications? L'ENCEPHALE 2024; 50:85-90. [PMID: 37993287 DOI: 10.1016/j.encep.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 07/20/2023] [Accepted: 08/05/2023] [Indexed: 11/24/2023]
Abstract
While most adults confronted with the death of a loved one manage to grieve, about 10-20% of individuals develop complicated grief, characterized by persistent distress and impaired social skills, or pathological grief, defined by the onset or decompensation of a psychiatric disorder. Little is known about the biological causes of these grief complications. Recent work suggests that oxytocin, a major neuroendocrine hormone regulating many neurocognitive mechanisms, may be involved in this process. Oxytocin is widely studied and well known for its impact on the mother-child bond and hormonal and brain systems related to attachment and social interactions. In this article, we propose a neurocognitive model of grief complications based on existing data on the role of oxytocin in interpersonal attachment and its impact on brain activity. We suggest that complicated grief is associated with dysfunctional cerebral oxytocinergic signaling and persistent hyperactivation of the nucleus accumbens. This mechanism is involved in limiting the reduction of interpersonal attachment to the deceased during acute phases and in searching for new interpersonal relationships during the recovery phase. We show how the exploration of cerebral oxytocinergic signaling would improve the understanding of physiological grief mechanisms in the general population and could allow the development of new therapeutic perspectives against the complications of grief.
Collapse
Affiliation(s)
- Hugo Bottemanne
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, CNRS, Inserm, Paris, France; Department of Psychiatry, Pitié-Salpêtrière Hospital, DMU Neuroscience, AP-HP, Sorbonne University, Paris, France; Department of Philosophy, SND Research Unit, UMR 8011, Sorbonne University, Paris, France.
| | - Isolde English
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, CNRS, Inserm, Paris, France
| | - Laure Bottemanne
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, CNRS, Inserm, Paris, France
| | - Paloma Torres
- Department of Psychiatry, Pitié-Salpêtrière Hospital, DMU Neuroscience, AP-HP, Sorbonne University, Paris, France
| | | | - Lucie Joly
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, CNRS, Inserm, Paris, France; Department of Psychiatry, Saint-Antoine Hospital, DMU Neuroscience, AP-HP, Sorbonne University, Paris, France
| |
Collapse
|
2
|
Hemmingsson E, Nowicka P, Ulijaszek S, Sørensen TIA. The social origins of obesity within and across generations. Obes Rev 2023; 24:e13514. [PMID: 36321346 PMCID: PMC10077989 DOI: 10.1111/obr.13514] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/10/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022]
Abstract
We propose a model for obesity development that traces a considerable part of its origins to the social domain (mainly different forms of prolonged social adversity), both within and across generations, working in tandem with a genetic predisposition. To facilitate overview of social pathways, we place particular focus on three areas that form a cascading sequence: (A) social adversity within the family (parents having a low education, a low social position, poverty and financial insecurity; offspring being exposed to gestational stress, unmet social and emotional needs, abuse, maltreatment and other negative life events, social deprivation and relationship discord); (B) increasing levels of insecurity, negative emotions, chronic stress, and a disruption of energy homeostasis; and (C) weight gain and obesity, eliciting further social stress and weight stigma in both generations. Social adversity, when combined with genetic predisposition, thereby substantially contributes to highly effective transmission of obesity from parents to offspring, as well as to obesity development within current generations. Prevention efforts may benefit from mitigating multiple types of social adversity in individuals, families, and communities, notably poverty and financial strain, and by improving education levels.
Collapse
Affiliation(s)
- Erik Hemmingsson
- Department of Physical Activity and Health, The Swedish School of Sport and Health Sciences, Stockholm, Sweden
| | - Paulina Nowicka
- Department of Food Studies, Nutrition, and Dietetics, Uppsala University, Uppsala, Sweden
| | - Stanley Ulijaszek
- Unit for Biocultural Variation and Obesity, School of Anthropology and Museum Ethnography, University of Oxford, Oxford, UK
| | - Thorkild I A Sørensen
- Department of Public Health and Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
3
|
Neuroimaging genetics of oxytocin: A transcriptomics-informed systematic review. Neurosci Biobehav Rev 2022; 142:104912. [DOI: 10.1016/j.neubiorev.2022.104912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 08/10/2022] [Accepted: 10/06/2022] [Indexed: 11/20/2022]
|
4
|
Chacko TP, Toole JT, Richman S, Spink GL, Reinhard MJ, Brewster RC, Costanzo ME, Broderick G. Mapping the network biology of metabolic response to stress in posttraumatic stress disorder and obesity. Front Psychol 2022; 13:941019. [PMID: 35959009 PMCID: PMC9362840 DOI: 10.3389/fpsyg.2022.941019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
The co-occurrence of stress-induced posttraumatic stress disorder (PTSD) and obesity is common, particularly among military personnel but the link between these conditions is unclear. Individuals with comorbid PTSD and obesity manifest other physical and psychological problems, which significantly diminish their quality of life. Current understanding of the pathways connecting stress to PTSD and obesity is focused largely on behavioral mediators alone with little consideration of the biological regulatory mechanisms that underlie their co-occurrence. In this work, we leverage prior knowledge to systematically highlight such bio-behavioral mechanisms and inform on the design of confirmatory pilot studies. We use natural language processing (NLP) to extract documented regulatory interactions involved in the metabolic response to stress and its impact on obesity and PTSD from over 8 million peer-reviewed papers. The resulting network describes the propagation of stress to PTSD and obesity through 34 metabolic mediators using 302 documented regulatory interactions supported by over 10,000 citations. Stress jointly affected both conditions through 21 distinct pathways involving only two intermediate metabolic mediators out of a total of 76 available paths through this network. Moreover, oxytocin (OXT), Neuropeptide-Y (NPY), and cortisol supported an almost direct propagation of stress to PTSD and obesity with different net effects. Although stress upregulated both NPY and cortisol, the downstream effects of both markers are reported to relieve PTSD severity but exacerbate obesity. The stress-mediated release of oxytocin, however, was found to concurrently downregulate the severity of both conditions. These findings highlight how a network-informed approach that leverages prior knowledge might be used effectively in identifying key mediators like OXT though experimental verification of signal transmission dynamics through each path will be needed to determine the actual likelihood and extent of each marker’s participation.
Collapse
Affiliation(s)
- Thomas P. Chacko
- Center for Clinical Systems Biology, Rochester General Hospital, Rochester, NY, United States
- Institute of Health Sciences and Technology, Rochester Institute of Technology, Rochester, NY, United States
| | - J. Tory Toole
- Center for Clinical Systems Biology, Rochester General Hospital, Rochester, NY, United States
- Institute of Health Sciences and Technology, Rochester Institute of Technology, Rochester, NY, United States
| | - Spencer Richman
- Center for Clinical Systems Biology, Rochester General Hospital, Rochester, NY, United States
| | - Garry L. Spink
- Rochester Regional Behavioral Health, Rochester, NY, United States
| | - Matthew J. Reinhard
- War Related Illness and Injury Study Center, United States Department of Veterans Affairs, Washington, DC, United States
| | - Ryan C. Brewster
- War Related Illness and Injury Study Center, United States Department of Veterans Affairs, Washington, DC, United States
| | - Michelle E. Costanzo
- War Related Illness and Injury Study Center, United States Department of Veterans Affairs, Washington, DC, United States
| | - Gordon Broderick
- Center for Clinical Systems Biology, Rochester General Hospital, Rochester, NY, United States
- *Correspondence: Gordon Broderick,
| |
Collapse
|
5
|
Martins D, Brodmann K, Veronese M, Dipasquale O, Mazibuko N, Schuschnig U, Zelaya F, Fotopoulou A, Paloyelis Y. "Less is more": a dose-response account of intranasal oxytocin pharmacodynamics in the human brain. Prog Neurobiol 2022; 211:102239. [PMID: 35122880 DOI: 10.1016/j.pneurobio.2022.102239] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/23/2022] [Accepted: 01/31/2022] [Indexed: 12/27/2022]
Abstract
Intranasal oxytocin is attracting attention as a potential treatment for several brain disorders due to promising preclinical results. However, translating findings to humans has been hampered by remaining uncertainties about its pharmacodynamics and the methods used to probe its effects in the human brain. Using a dose-response design (9, 18 and 36 IU), we demonstrate that intranasal oxytocin-induced changes in local regional cerebral blood flow (rCBF) in the amygdala at rest, and in the covariance between rCBF in the amygdala and other key hubs of the brain oxytocin system, follow a dose-response curve with maximal effects for lower doses. Yet, the effects on local rCBF might vary by amygdala subdivision, highlighting the need to qualify dose-response curves within subregion. We further link physiological changes with the density of the oxytocin receptor gene mRNA across brain regions, strengthening our confidence in intranasal oxytocin as a valid approach to engage central targets. Finally, we demonstrate that intranasal oxytocin does not disrupt cerebrovascular reactivity, which corroborates the validity of haemodynamic neuroimaging to probe the effects of intranasal oxytocin in the human brain. DATA AVAILABILITY: Participants did not consent for open sharing of the data. Therefore, data can only be accessed from the corresponding author upon reasonable request.
Collapse
Affiliation(s)
- Daniel Martins
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
| | - Katja Brodmann
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
| | - Mattia Veronese
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
| | - Ottavia Dipasquale
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
| | - Ndaba Mazibuko
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
| | | | - Fernando Zelaya
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
| | - Aikaterini Fotopoulou
- Department of Clinical, Educational and Health Psychology, University College London, London, UK
| | - Yannis Paloyelis
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK.
| |
Collapse
|
6
|
Oxytocin and Food Intake Control: Neural, Behavioral, and Signaling Mechanisms. Int J Mol Sci 2021; 22:ijms221910859. [PMID: 34639199 PMCID: PMC8509519 DOI: 10.3390/ijms221910859] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 09/29/2021] [Accepted: 10/03/2021] [Indexed: 11/16/2022] Open
Abstract
The neuropeptide oxytocin is produced in the paraventricular hypothalamic nucleus and the supraoptic nucleus of the hypothalamus. In addition to its extensively studied influence on social behavior and reproductive function, central oxytocin signaling potently reduces food intake in both humans and animal models and has potential therapeutic use for obesity treatment. In this review, we highlight rodent model research that illuminates various neural, behavioral, and signaling mechanisms through which oxytocin’s anorexigenic effects occur. The research supports a framework through which oxytocin reduces food intake via amplification of within-meal physiological satiation signals rather than by altering between-meal interoceptive hunger and satiety states. We also emphasize the distributed neural sites of action for oxytocin’s effects on food intake and review evidence supporting the notion that central oxytocin is communicated throughout the brain, at least in part, through humoral-like volume transmission. Finally, we highlight mechanisms through which oxytocin interacts with various energy balance-associated neuropeptide and endocrine systems (e.g., agouti-related peptide, melanin-concentrating hormone, leptin), as well as the behavioral mechanisms through which oxytocin inhibits food intake, including effects on nutrient-specific ingestion, meal size control, food reward-motivated responses, and competing motivations.
Collapse
|
7
|
Friuli M, Eramo B, Valenza M, Scuderi C, Provensi G, Romano A. Targeting the Oxytocinergic System: A Possible Pharmacological Strategy for the Treatment of Inflammation Occurring in Different Chronic Diseases. Int J Mol Sci 2021; 22:10250. [PMID: 34638587 PMCID: PMC8508899 DOI: 10.3390/ijms221910250] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/10/2021] [Accepted: 09/20/2021] [Indexed: 12/15/2022] Open
Abstract
Unresolved inflammation represents a central feature of different human pathologies including neuropsychiatric, cardiovascular, and metabolic diseases. The epidemiologic relevance of such disorders justifies the increasing interest in further understanding the mechanisms underpinning the inflammatory process occurring in such chronic diseases to provide potential novel pharmacological approaches. The most common and effective therapies for controlling inflammation are glucocorticoids; however, a variety of other molecules have been demonstrated to have an anti-inflammatory potential, including neuropeptides. In recent years, the oxytocinergic system has seen an explosion of scientific studies, demonstrating its potential to contribute to a variety of physiological processes including inflammation. Therefore, the aim of the present review was to understand the role of oxytocin in the modulation of inflammation occurring in different chronic diseases. The criterion we used to select the diseases was based on the emerging literature showing a putative involvement of the oxytocinergic system in inflammatory processes in a variety of pathologies including neurological, gastrointestinal and cardiovascular disorders, diabetes and obesity. The evidence reviewed here supports a beneficial role of oxytocin in the control of both peripheral and central inflammatory response happening in the aforementioned pathologies. Although future studies are necessary to elucidate the mechanistic details underlying such regulation, this review supports the idea that the modulation of the endogenous oxytocinergic system might represent a new potential pharmacological approach for the treatment of inflammation.
Collapse
Affiliation(s)
- Marzia Friuli
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (M.F.); (B.E.); (M.V.); (C.S.)
| | - Barbara Eramo
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (M.F.); (B.E.); (M.V.); (C.S.)
| | - Marta Valenza
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (M.F.); (B.E.); (M.V.); (C.S.)
| | - Caterina Scuderi
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (M.F.); (B.E.); (M.V.); (C.S.)
| | - Gustavo Provensi
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology of Toxicology, University of Florence, 50139 Florence, Italy;
| | - Adele Romano
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (M.F.); (B.E.); (M.V.); (C.S.)
| |
Collapse
|
8
|
Houghton B, Kouimtsidis C, Duka T, Paloyelis Y, Bailey A. Can intranasal oxytocin reduce craving in automated addictive behaviours? A systematic review. Br J Pharmacol 2021; 178:4316-4334. [PMID: 34235724 DOI: 10.1111/bph.15617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 12/24/2022] Open
Abstract
Existing pharmacotherapies for managing craving, a strong predictor of relapse to automated addictive behaviours, are limited in efficacy and characterised by increased health risks associated with their pharmacological profile. Preclinical studies have identified oxytocin as a promising pharmacotherapy with anticraving properties for addictive behaviours. Here, we provide the first systematic review of 17 human studies (n = 722; 30% female) investigating the efficacy of intranasal oxytocin to reduce craving or consumption in addictive behaviours. We identify intranasal oxytocin as a method that warrants further investigation regarding its capacity to decrease cue-induced, acute stress-induced or withdrawal-related craving and relapse related to alcohol, cannabis, opioids, cocaine or nicotine, including a potential role as ad hoc medication following exposure to drug-related cues. Future studies should investigate the role of factors such as treatment regimens and sample characteristics, including the role of the amygdala, which we propose as a distinct mechanism mediating oxytocin's anticraving properties.
Collapse
Affiliation(s)
- Ben Houghton
- Pharmacology Section, Institute of Medical and Biomedical Education, St George's University of London, London, UK
| | | | - Theodora Duka
- Behavioural and Clinical Neuroscience, School of Psychology, University of Sussex, Brighton, UK
| | - Yannis Paloyelis
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Alexis Bailey
- Pharmacology Section, Institute of Medical and Biomedical Education, St George's University of London, London, UK
| |
Collapse
|
9
|
Head MA, Levine AS, Christian DG, Klockars A, Olszewski PK. Effect of combination of peripheral oxytocin and naltrexone at subthreshold doses on food intake, body weight and feeding-related brain gene expression in male rats. Physiol Behav 2021; 238:113464. [PMID: 34022256 DOI: 10.1016/j.physbeh.2021.113464] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 01/17/2023]
Abstract
In a recent case report involving a male with hypothalamic obesity, concurrent administration of oxytocin (OT) and an opioid receptor antagonist, naltrexone (NTX), synergistically affected energy balance. Here, by using laboratory rats, we examined whether the reported synergy between OT and NTX in the context of food intake extends beyond that one unique case. We found that intravenous OT+NTX combination, at doses subthreshold for each of the drugs individually, decreased episodic consumption of a 10% sucrose solution in non-deprived animals. Daily administration of OT and NTX just before a scheduled, 2-hour, high-fat high-sugar (HFHS) meal over 24 days, decreased cumulative HFHS diet intake, but without a change in body weight due to compensatory standard chow intake during the remainder of the day. The NTX-OT treatment affected expression of several feeding-related genes in the hypothalamus, brain stem and nucleus accumbens, brain regions essential for the regulation of energy- and reward-driven consumption. We conclude that OT and NTX act synergistically to decrease food consumption in rats and that this transient effect is accompanied by changes in brain processes relevant to feeding.
Collapse
Affiliation(s)
- Mitchell A Head
- School of Science, Faculty of Science and Engineering, University of Waikato, Hamilton, New Zealand
| | - Allen S Levine
- Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN, 55113 United States.
| | - David G Christian
- School of Science, Faculty of Science and Engineering, University of Waikato, Hamilton, New Zealand
| | - Anica Klockars
- School of Science, Faculty of Science and Engineering, University of Waikato, Hamilton, New Zealand
| | - Pawel K Olszewski
- School of Science, Faculty of Science and Engineering, University of Waikato, Hamilton, New Zealand; Department of Food Science and Nutrition, University of Minnesota, St. Paul, MN, 55113 United States; Department of Integrative Biology and Physiology, Medical School, University of Minnesota, Minneapolis, MN, United States
| |
Collapse
|
10
|
Hollander E, Levine KG, Ferretti CJ, Freeman K, Doernberg E, Desilva N, Taylor BP. Intranasal oxytocin versus placebo for hyperphagia and repetitive behaviors in children with Prader-Willi Syndrome: A randomized controlled pilot trial. J Psychiatr Res 2021; 137:643-651. [PMID: 33190843 DOI: 10.1016/j.jpsychires.2020.11.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 10/31/2020] [Accepted: 11/01/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE The effects of intranasal oxytocin and placebo on hyperphagia and repetitive behaviors were compared in children and adolescents with Prader Willi Syndrome (PWS). METHODS Children and adolescents with PWS were enrolled in an 8-week double-blind placebo-controlled intranasal oxytocin randomized trial. Twenty-three (23) subjects were assigned to oxytocin (N = 11) or placebo (N = 12). Hyperphagia was measured with the Hyperphagia Questionnaire (HQ), and repetitive behavior was measured with Repetitive Behavior Scale- Revised (RBS-R). RESULTS There were modest significant treatment by-time interactions indicating reduction in hyperphagia and repetitive behaviors across time for placebo but no reduction for oxytocin. Total HQ score showed a greater average reduction of 1.81 points/week for the placebo group vs. oxytocin, with maximum reduction at week 4. There were also greater reductions on HQ-Drive and HQ-Behavior subscales on placebo vs. oxytocin. RBS-R subscales followed similar patterns to the HQ, with a significantly greater reduction in sameness subscale behaviors (average 0.825 points/week) in the placebo group compared to the oxytocin group. Oxytocin was well tolerated, and the only adverse event that was both more common and possibly related to oxytocin vs. placebo was nocturia (n = 1 vs 0). CONCLUSION Placebo was associated with modest improvement in hyperphagia and repetitive behaviors in childhood PWS whereas intranasal oxytocin was not associated with improvement in these domains. More work is needed to understand the meaning and mechanism of these findings on hyperphagia and repetitive behaviors in PWS.
Collapse
Affiliation(s)
- Eric Hollander
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA.
| | - Kayla G Levine
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA
| | - Casara J Ferretti
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA
| | - Katherine Freeman
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA; Biostatistics and Biomedical Sciences, Charles E. Schmidt College Medicine, Florida Atlantic University, and Extrapolate, Florida, USA
| | - Ellen Doernberg
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA; Department of Psychology, Case Western University, Ohio, USA
| | - Nilifa Desilva
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA
| | - Bonnie P Taylor
- Autism and Obsessive Compulsive Spectrum Disorders Program, Psychiatric Research Institute of Montefiore Einstein (PRIME), Albert Einstein College of Medicine, New York, USA
| |
Collapse
|
11
|
Iodice S, Ceresa A, Esposito CM, Mucci F, Conti DM, Pergoli L, Tarantini L, Vigna L, Bollati V, Buoli M, Serati M. The Independent Role of Body Mass Index (BMI) and Severity of Depressive Symptoms on Biological Changes of Women Affected by Overweight/Obesity. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18062923. [PMID: 33809270 PMCID: PMC8001334 DOI: 10.3390/ijerph18062923] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 02/07/2023]
Abstract
Background: Both obesity and depression are medical conditions associated with severe disability and biological abnormalities. Our aim was to study associations between Body Mass Index (BMI), depression and biological changes in women affected by overweight or obesity. Methods: Depressive symptoms were evaluated by the Beck Depression Inventory II (BDI-II) questionnaire in 200 women affected by overweight/obesity (mean age of the sample 52.7 ± 12.9 years, BMI 33.8 ± 5.5 kg/m2). A blood sample was obtained for evaluation of biochemical (oxytocin and vitamin D), inflammatory and epigenetic (methylation of clock genes) parameters. Multivariable linear regression models were used to study the association between BMI or severity of depressive symptoms (BDI-II scores) with different biomarkers. Results: BMI was found to be associated with severity of depressive symptoms (p = 0.050). Severity of obesity resulted to be associated with lower plasma levels of oxytocin (p = 0.053), vitamin D deficiency (p = 0.006) and higher plasma levels of IFN-γ (p = 0.004), IL-6 (p = 0.013), IL-7 (p = 0.013), TNF-alpha (p = 0.036) and chemokine ligand 3 (CCL3) (p = 0.013, R2 = 0.03). Severity of depression was significantly associated with more methylation of clock genes CRY1 (p = 0.034, R2 = 0.16) and CRY2 (p = 0.019, R2 = 0.47). More severe depression together with higher levels of IL-8 strongly predicted lower methylation of CLOCK gene (p = 0.009); Conclusions: Different biological abnormalities have been found to be independently associated with BMI and severity of depressive symptoms in women affected by overweight/obesity. The complex interplay between overweight, depression and biological changes will have to be better clarified by future studies.
Collapse
Affiliation(s)
- Simona Iodice
- EPIGET LAB, Department of Clinical Sciences and Community Health, University of Milan, Via San Barnaba 8, 20122 Milan, Italy; (S.I.); (L.P.); (L.T.); (V.B.)
| | - Alessandro Ceresa
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (C.M.E.); (F.M.); (M.B.)
- Correspondence: ; Tel.: +39-02-55035983
| | - Cecilia Maria Esposito
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (C.M.E.); (F.M.); (M.B.)
| | - Francesco Mucci
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (C.M.E.); (F.M.); (M.B.)
| | - Diana Misaela Conti
- Occupational Health Unit, Center of Obesity and Work EASO Collaborating Centers for Obesity Management, Fondazione Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (D.M.C.); (L.V.)
| | - Laura Pergoli
- EPIGET LAB, Department of Clinical Sciences and Community Health, University of Milan, Via San Barnaba 8, 20122 Milan, Italy; (S.I.); (L.P.); (L.T.); (V.B.)
| | - Letizia Tarantini
- EPIGET LAB, Department of Clinical Sciences and Community Health, University of Milan, Via San Barnaba 8, 20122 Milan, Italy; (S.I.); (L.P.); (L.T.); (V.B.)
| | - Luisella Vigna
- Occupational Health Unit, Center of Obesity and Work EASO Collaborating Centers for Obesity Management, Fondazione Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (D.M.C.); (L.V.)
| | - Valentina Bollati
- EPIGET LAB, Department of Clinical Sciences and Community Health, University of Milan, Via San Barnaba 8, 20122 Milan, Italy; (S.I.); (L.P.); (L.T.); (V.B.)
| | - Massimiliano Buoli
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (C.M.E.); (F.M.); (M.B.)
- Department of Neurosciences and Mental Health, Fondazione IRCSS Ca’ Granda Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122 Milan, Italy
| | - Marta Serati
- Department of Mental Health, ASST Rhodense, 20024 Rho, Italy;
| | | |
Collapse
|
12
|
Prodam F, Caputo M, Mele C, Marzullo P, Aimaretti G. Insights into non-classic and emerging causes of hypopituitarism. Nat Rev Endocrinol 2021; 17:114-129. [PMID: 33247226 DOI: 10.1038/s41574-020-00437-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/19/2020] [Indexed: 12/11/2022]
Abstract
Hypopituitarism is defined as one or more partial or complete pituitary hormone deficiencies, which are related to the anterior and/or posterior gland and can have an onset in childhood or adulthood. The most common aetiology is a sellar or suprasellar lesion, often an adenoma, which causes hypopituitarism due to tumour mass effects, or the effects of surgery and/or radiation therapy. However, other clinical conditions, such as traumatic brain injury, and autoimmune and inflammatory diseases, can result in hypopituitarism, and there are also genetic causes of hypopituitarism. Furthermore, the use of immune checkpoint inhibitors to treat cancer is increasing the risk of hypopituitarism, with a pattern of hormone defects that is different from the classic patterns and depends on mechanisms that are specific for each drug. Moreover, autoantibody production against the pituitary and hypothalamus has been demonstrated in studies investigating the development or worsening of some cases of hypopituitarism. Finally, evidence suggests that posterior pituitary damage can affect oxytocin secretion. The aim of this Review is to summarize current knowledge on non-classic and emerging causes of hypopituitarism, so as to help clinicians improve early identification, avoid life-threatening events and improve the clinical care and quality of life of patients at risk of hypopituitarism.
Collapse
Affiliation(s)
- Flavia Prodam
- Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
- Department of Health Sciences, Università del Piemonte Orientale, Novara, Italy
| | - Marina Caputo
- Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
- Department of Health Sciences, Università del Piemonte Orientale, Novara, Italy
| | - Chiara Mele
- Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
| | - Paolo Marzullo
- Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
- Division of General Medicine, I.R.C.C.S. Istituto Auxologico Italiano, Ospedale San Giuseppe, Verbania, Italy
| | - Gianluca Aimaretti
- Endocrinology, Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy.
| |
Collapse
|
13
|
Martins D, Dipasquale O, Paloyelis Y. Oxytocin modulates local topography of human functional connectome in healthy men at rest. Commun Biol 2021; 4:68. [PMID: 33452496 PMCID: PMC7811009 DOI: 10.1038/s42003-020-01610-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 12/16/2020] [Indexed: 01/08/2023] Open
Abstract
Oxytocin has recently received remarkable attention for its role as a modulator of human behaviour. Here, we aimed to expand our knowledge of the neural circuits engaged by oxytocin by investigating the effects of intranasal and intravenous oxytocin on the functional connectome at rest in 16 healthy men. Oxytocin modulates the functional connectome within discrete neural systems, but does not affect the global capacity for information transfer. These local effects encompass key hubs of the oxytocin system (e.g. amygdala) but also regions overlooked in previous hypothesis-driven research (i.e. the visual circuits, temporal lobe and cerebellum). Increases in levels of oxytocin in systemic circulation induce broad effects on the functional connectome, yet we provide indirect evidence supporting the involvement of nose-to-brain pathways in at least some of the observed changes after intranasal oxytocin. Together, our results suggest that oxytocin effects on human behaviour entail modulation of multiple levels of brain processing distributed across different systems.
Collapse
Affiliation(s)
- Daniel Martins
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London, SE5 8AF, UK
| | - Ottavia Dipasquale
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London, SE5 8AF, UK
| | - Yannis Paloyelis
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London, SE5 8AF, UK.
| |
Collapse
|
14
|
Liu CM, Hsu TM, Suarez AN, Subramanian KS, Fatemi RA, Cortella AM, Noble EE, Roitman MF, Kanoski SE. Central oxytocin signaling inhibits food reward-motivated behaviors and VTA dopamine responses to food-predictive cues in male rats. Horm Behav 2020; 126:104855. [PMID: 32991888 PMCID: PMC7757852 DOI: 10.1016/j.yhbeh.2020.104855] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/02/2020] [Accepted: 08/23/2020] [Indexed: 01/08/2023]
Abstract
Oxytocin potently reduces food intake and is a potential target system for obesity treatment. A better understanding of the behavioral and neurobiological mechanisms mediating oxytocin's anorexigenic effects may guide more effective obesity pharmacotherapy development. The present study examined the effects of central (lateral intracerebroventricular [ICV]) administration of oxytocin in rats on motivated responding for palatable food. Various conditioning procedures were employed to measure distinct appetitive behavioral domains, including food seeking in the absence of consumption (conditioned place preference expression), impulsive responding for food (differential reinforcement of low rates of responding), effort-based appetitive decision making (high-effort palatable vs. low-effort bland food), and sucrose reward value encoding following a motivational shift (incentive learning). Results reveal that ICV oxytocin potently reduces food-seeking behavior, impulsivity, and effort-based palatable food choice, yet does not influence encoding of sucrose reward value in the incentive learning task. To investigate a potential neurobiological mechanism mediating these behavioral outcomes, we utilized in vivo fiber photometry in ventral tegmental area (VTA) dopamine neurons to examine oxytocin's effect on phasic dopamine neuron responses to sucrose-predictive Pavlovian cues. Results reveal that ICV oxytocin significantly reduced food cue-evoked dopamine neuron activity. Collectively, these data reveal that central oxytocin signaling inhibits various obesity-relevant conditioned appetitive behaviors, potentially via reductions in food cue-driven phasic dopamine neural responses in the VTA.
Collapse
Affiliation(s)
- Clarissa M Liu
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States; Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, 3616 Trousdale Parkway, AHF 252, Los Angeles, CA 90089, United States
| | - Ted M Hsu
- Department of Psychology, University of Illinois at Chicago, 1007 W. Harrison St., Chicago, IL 60607-7137, United States
| | - Andrea N Suarez
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, 3616 Trousdale Parkway, AHF 252, Los Angeles, CA 90089, United States
| | - Keshav S Subramanian
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States; Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, 3616 Trousdale Parkway, AHF 252, Los Angeles, CA 90089, United States
| | - Ryan A Fatemi
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, 3616 Trousdale Parkway, AHF 252, Los Angeles, CA 90089, United States
| | - Alyssa M Cortella
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, 3616 Trousdale Parkway, AHF 252, Los Angeles, CA 90089, United States
| | - Emily E Noble
- Department of Foods and Nutrition, University of Georgia, 129 Barrow Hall, Athens, GA 30602, United States
| | - Mitchell F Roitman
- Department of Psychology, University of Illinois at Chicago, 1007 W. Harrison St., Chicago, IL 60607-7137, United States
| | - Scott E Kanoski
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States; Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, 3616 Trousdale Parkway, AHF 252, Los Angeles, CA 90089, United States.
| |
Collapse
|
15
|
Wald HS, Chandra A, Kalluri A, Ong ZY, Hayes MR, Grill HJ. NTS and VTA oxytocin reduces food motivation and food seeking. Am J Physiol Regul Integr Comp Physiol 2020; 319:R673-R683. [PMID: 33026822 DOI: 10.1152/ajpregu.00201.2020] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Oxytocin (OT) is a neuropeptide whose central receptor-mediated actions include reducing food intake. One mechanism of its behavioral action is the amplification of the feeding inhibitory effects of gastrointestinal (GI) satiation signals processed by hindbrain neurons. OT treatment also reduces carbohydrate intake in humans and rodents, and correspondingly, deficits in central OT receptor (OT-R) signaling increase sucrose self-administration. This suggests that additional processes contribute to central OT effects on feeding. This study investigated the hypothesis that central OT reduces food intake by decreasing food seeking and food motivation. As central OT-Rs are expressed widely, a related focus was to assess the role of one or more OT-R-expressing nuclei in food motivation and food-seeking behavior. OT was delivered to the lateral ventricle (LV), nucleus tractus solitarius (NTS), or ventral tegmental area (VTA), and a progressive ratio (PR) schedule of operant reinforcement and an operant reinstatement paradigm were used to measure motivated feeding behavior and food-seeking behavior, respectively. OT delivered to the LV, NTS, or VTA reduced 1) motivation to work for food and 2) reinstatement of food-seeking behavior. Results provide a novel and additional interpretation for central OT-driven food intake inhibition to include the reduction of food motivation and food seeking.
Collapse
Affiliation(s)
- Hallie S Wald
- Department of Psychology, Institute of Diabetes Obesity and Metabolism, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ananya Chandra
- Department of Psychology, Institute of Diabetes Obesity and Metabolism, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Anita Kalluri
- Department of Psychology, Institute of Diabetes Obesity and Metabolism, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Zhi Yi Ong
- School of Psychology, University of New South Wales, Sydney, Australia
| | - Matthew R Hayes
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Harvey J Grill
- Department of Psychology, Institute of Diabetes Obesity and Metabolism, University of Pennsylvania, Philadelphia, Pennsylvania
| |
Collapse
|
16
|
Szeto A, Cecati M, Ahmed R, McCabe PM, Mendez AJ. Oxytocin reduces adipose tissue inflammation in obese mice. Lipids Health Dis 2020; 19:188. [PMID: 32819381 PMCID: PMC7441653 DOI: 10.1186/s12944-020-01364-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 08/10/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Obesity and adipose tissue expansion is characterized by a chronic state of systemic inflammation that contributes to disease. The neuropeptide, oxytocin, working through its receptor has been shown to attenuate inflammation in sepsis, wound healing, and cardiovascular disease. The current study examined the effects of chronic oxytocin infusions on adipose tissue inflammation in a murine model of obesity, the leptin receptor-deficient (db/db) mouse. METHODS The effect of obesity on oxytocin receptor protein and mRNA expression in adipose tissue was evaluated by Western blotting and real-time polymerase chain reaction. Mice were implanted with osmotic minipumps filled with oxytocin or vehicle for 8 weeks. At study endpoint adipose tissue inflammation was assessed by measurement of cytokine and adipokine mRNA tissue levels, adipocyte size and macrophage infiltration via histopathology, and plasma levels of adiponectin and serum amyloid A as markers of systemic inflammation. RESULTS The expression of adipose tissue oxytocin receptor was increased in obese db/db mice compared to lean controls. In adipose tissue oxytocin infusion reduced adipocyte size, macrophage infiltration, IL-6 and TNFα mRNA expression, and increased the expression of the anti-inflammatory adipokine, adiponectin. In plasma, oxytocin infusion reduced the level of serum amyloid A, a marker of systemic inflammation, and increased circulating adiponectin. CONCLUSIONS In an animal model of obesity and diabetes chronic oxytocin treatment led to a reduction in visceral adipose tissue inflammation and plasma markers of systemic inflammation, which may play a role in disease progression.
Collapse
Affiliation(s)
- Angela Szeto
- Department of Psychology, University of Miami, PO Box 248185, Coral Gables, FL, 33124, USA
| | - Monia Cecati
- Department of Medicine and Diabetes Research Institute, University of Miami Miller School of Medicine, 1450 N.W. 10th Avenue, Miami, FL, 33136, USA
| | - Raisa Ahmed
- Department of Psychology, University of Miami, PO Box 248185, Coral Gables, FL, 33124, USA
| | - Philip M McCabe
- Department of Psychology, University of Miami, PO Box 248185, Coral Gables, FL, 33124, USA
| | - Armando J Mendez
- Department of Medicine and Diabetes Research Institute, University of Miami Miller School of Medicine, 1450 N.W. 10th Avenue, Miami, FL, 33136, USA.
| |
Collapse
|
17
|
Martins DA, Mazibuko N, Zelaya F, Vasilakopoulou S, Loveridge J, Oates A, Maltezos S, Mehta M, Wastling S, Howard M, McAlonan G, Murphy D, Williams SCR, Fotopoulou A, Schuschnig U, Paloyelis Y. Effects of route of administration on oxytocin-induced changes in regional cerebral blood flow in humans. Nat Commun 2020; 11:1160. [PMID: 32127545 PMCID: PMC7054359 DOI: 10.1038/s41467-020-14845-5] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 02/04/2020] [Indexed: 11/17/2022] Open
Abstract
Could nose-to-brain pathways mediate the effects of peptides such as oxytocin (OT) on brain physiology when delivered intranasally? We address this question by contrasting two methods of intranasal administration (a standard nasal spray, and a nebulizer expected to improve OT deposition in nasal areas putatively involved in direct nose-to-brain transport) to intravenous administration in terms of effects on regional cerebral blood flow during two hours post-dosing. We demonstrate that OT-induced decreases in amygdala perfusion, a key hub of the OT central circuitry, are explained entirely by OT increases in systemic circulation following both intranasal and intravenous OT administration. Yet we also provide robust evidence confirming the validity of the intranasal route to target specific brain regions. Our work has important translational implications and demonstrates the need to carefully consider the method of administration in our efforts to engage specific central oxytocinergic targets for the treatment of neuropsychiatric disorders.
Collapse
Affiliation(s)
- D A Martins
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - N Mazibuko
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - F Zelaya
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - S Vasilakopoulou
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - J Loveridge
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - A Oates
- South London and Maudsley NHS Foundation Trust, London, UK
| | - S Maltezos
- Adult Autism and ADHD Service, South London and Maudsley NHS Foundation Trust, London, UK
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - M Mehta
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - S Wastling
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- Department of Brain Repair and Rehabilitation, Institute of Neurology, University College London, London, UK
- Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London, UK
| | - M Howard
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - G McAlonan
- Department of Forensic and Neurodevelopmental Science (SM), Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - D Murphy
- Department of Forensic and Neurodevelopmental Science (SM), Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - S C R Williams
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - A Fotopoulou
- Department of Clinical, Educational and Health Psychology, University College London, London, UK
| | | | - Y Paloyelis
- Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
| |
Collapse
|
18
|
Moghaddam SAP, Amiri P, Saidpour A, Hosseinzadeh N, Abolhasani M, Ghorbani A. The prevalence of food addiction and its associations with plasma oxytocin level and anthropometric and dietary measurements in Iranian women with obesity. Peptides 2019; 122:170151. [PMID: 31505221 DOI: 10.1016/j.peptides.2019.170151] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 08/04/2019] [Accepted: 09/02/2019] [Indexed: 12/18/2022]
Abstract
Obesity is a prevalent public health problem, and food addiction (FA) is one of the most controversial factors in its management. Therefore, this study was designed to validate an FA questionnaire for Iranian women with obesity and to determine the prevalence of FA and its associations with plasma oxytocin (OT) levels as well as anthropometric and dietary measurements. In this descriptive-analytical study, 450 adult women with obesity were included. The prevalence of FA was determined with a valid Yale food addiction scale (YFAS). Macronutrient intakes were measured by a valid semi-quantitative food frequency questionnaire (FFQ). In addition, plasma OT was measured after eight hours of fasting. In this study, the prevalence of FA was 26.2% in women with obesity. In comparison with class I obesity, the odds ratios (95% CI) of FA for class II and class III obesity were 2.5 (CI: 1.29-5.09) and 3.3 (CI: 1.69-6.4) respectively. Dietary intakes of energy, protein, carbohydrate, fat, saturated fatty acids, monounsaturated fatty acids, polyunsaturated fatty acids, and cholesterol were significantly higher in food-addicted (FAD) women compared to non-food-addicted (NFA) ones (p < 0.001). Moreover, plasma OT level was lower in FAD women with obesity than in NFA subjects (p = 0.02). In conclusion, the results of this study indicate that FA is prevalent in Iranian women with obesity. In addition, FA is related to obesity severity, dietary intakes of energy, carbohydrate, protein, fat, cholesterol, and plasma OT level.
Collapse
Affiliation(s)
- Seyedeh Atefeh Panahi Moghaddam
- Shahid Beheshti University of Medical Sciences, 46, West Arghavan St., Farahzadi Blvd., Shahrak Qods, Tehran, Islamic Republic of Iran.
| | - Parisa Amiri
- Research Center for Social Determinants of Endocrine Health & Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Velenjak St., Shahid Chamran Highway, Tehran, Islamic Republic of Iran.
| | - Atoosa Saidpour
- National Nutrition & Food Technology Research Institute, Department of Clinical Nutrition & Dietetics, Faculty of Nutrition Sciences & Food Technology, Shahid Beheshti University of Medical Sciences, 46, West Arghavan St., Farahzadi Blvd., Shahrak Qods, Tehran, P.O. Box: 19395-4741, Islamic Republic of Iran.
| | - Nima Hosseinzadeh
- Faculty of Biostatistics, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Maryam Abolhasani
- Primary Prevention of Cardiovascular Diseases Research Center, Tehran University of Medical Sciences, Islamic Republic of Iran.
| | - Arman Ghorbani
- Department of Cellular and Molecular Nutrition, National Nutrition & Food Technology Research Institute, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
| |
Collapse
|
19
|
Liu CM, Davis EA, Suarez AN, Wood RI, Noble EE, Kanoski SE. Sex Differences and Estrous Influences on Oxytocin Control of Food Intake. Neuroscience 2019; 447:63-73. [PMID: 31738883 DOI: 10.1016/j.neuroscience.2019.10.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/08/2019] [Accepted: 10/10/2019] [Indexed: 10/25/2022]
Abstract
Central oxytocin potently reduces food intake and is being pursued as a clinical treatment for obesity. While sexually dimorphic effects have been described for the effects of oxytocin on several behavioral outcomes, the role of sex in central oxytocin modulation of feeding behavior is poorly understood. Here we investigated the effects of sex, estrous cycle stage, and female sex hormones (estrogen, progesterone) on central oxytocin-mediated reduction of food intake in rats. Results show that while intracerebroventricular (ICV) oxytocin potently reduces chow intake in both male and female rats, these effects were more pronounced in males than in females. We next examined whether estrous cycle stage affects oxytocin's food intake-reducing effects in females. Results show that ICV oxytocin administration significantly reduces food intake during all estrous cycle stages except proestrous, suggesting that female sex hormones may modulate the feeding effects of oxytocin. Indeed, additional results reveal that estrogen, but not progesterone replacement, in ovariectomized rats abolishes oxytocin-mediated reductions in chow intake. Lastly, oxytocin receptor mRNA (Oxtr) quantification (via quantitative PCR) and anatomical localization (via fluorescent in situ hybridization) in previously established sites of action for oxytocin control of food intake revealed comparable Oxtr expression between male and female rats, suggesting that observed sex and estrous differences may be based on variations in ligand availability and/or binding. Overall, these data show that estrogen reduces the effectiveness of central oxytocin to inhibit food intake, suggesting that sex hormones and estrous cycle should be considered in clinical investigations of oxytocin for obesity treatment.
Collapse
Affiliation(s)
- Clarissa M Liu
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States; Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, United States
| | - Elizabeth A Davis
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, United States
| | - Andrea N Suarez
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, United States
| | - Ruth I Wood
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States; Department of Integrative Anatomical Sciences, Keck School of Medicine of University of Southern California, Los Angeles, CA, United States
| | - Emily E Noble
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, United States; Department of Foods and Nutrition, University of Georgia, Athens, GA, United States.
| | - Scott E Kanoski
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, United States; Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, United States.
| |
Collapse
|
20
|
Daubenbüchel AM, Özyurt J, Boekhoff S, Warmuth-Metz M, Eveslage M, Müller HL. Eating behaviour and oxytocin in patients with childhood-onset craniopharyngioma and different grades of hypothalamic involvement. Pediatr Obes 2019; 14:e12527. [PMID: 31013553 DOI: 10.1111/ijpo.12527] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/12/2019] [Accepted: 02/25/2019] [Indexed: 12/25/2022]
Abstract
BACKGROUND Patients with childhood-onset craniopharyngioma (CP) often suffer from tumour or treatment-related hypothalamic lesions (HL). These lesions may alter production of oxytocin, which plays a major role in the regulation of eating behaviour and body composition. OBJECTIVE In CP with different degrees of HL, we investigated associations between HL, eating behaviour/eating attitudes, and oxytocin saliva concentrations (OSC). METHODS In a cross-sectional case-control study on 34 CP and 73 healthy controls, OSC were measured before, and 60 minutes after breakfast by immunoassay. Eating behaviour, attitudes, and habits were assessed by standardized questionnaires. RESULTS CP with anterior + posterior HL presented with more adverse eating behaviours/symptoms of eating disorders than CP without HL, CP with anterior HL, and controls. Eating behaviour in CP with anterior HL was similar to controls, except for their tendency towards high dietary restraints. Decreases in postprandial compared with fasting OSC were associated with adverse eating behaviour in CP and controls and with higher BMI in CP. CONCLUSIONS CP with anterior HL and CP with anterior + posterior HL present with distinct patterns of eating behaviour. Reduced postprandial compared with fasting OSC is associated with weight problems in CP and with adverse eating behaviour and symptoms of eating disorders in both CP and controls.
Collapse
Affiliation(s)
- Anna M Daubenbüchel
- Department of Pediatrics and Pediatric Hematology/Oncology, University Children's Hospital, Klinikum Oldenburg AöR, Carl von Ossietzky University, Oldenburg, Germany
| | - Jale Özyurt
- Biological Psychology Lab, Department of Psychology, Carl von Ossietzky University, Oldenburg, Germany
| | - Svenja Boekhoff
- Department of Pediatrics and Pediatric Hematology/Oncology, University Children's Hospital, Klinikum Oldenburg AöR, Carl von Ossietzky University, Oldenburg, Germany
| | | | - Maria Eveslage
- Institute of Biostatistics and Clinical Research, University Münster, Münster, Germany
| | - Hermann L Müller
- Department of Pediatrics and Pediatric Hematology/Oncology, University Children's Hospital, Klinikum Oldenburg AöR, Carl von Ossietzky University, Oldenburg, Germany
| |
Collapse
|
21
|
Onaka T, Takayanagi Y. Role of oxytocin in the control of stress and food intake. J Neuroendocrinol 2019; 31:e12700. [PMID: 30786104 PMCID: PMC7217012 DOI: 10.1111/jne.12700] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/12/2019] [Accepted: 02/15/2019] [Indexed: 12/20/2022]
Abstract
Oxytocin neurones in the hypothalamus are activated by stressful stimuli and food intake. The oxytocin receptor is located in various brain regions, including the sensory information-processing cerebral cortex; the cognitive information-processing prefrontal cortex; reward-related regions such as the ventral tegmental areas, nucleus accumbens and raphe nucleus; stress-related areas such as the amygdala, hippocampus, ventrolateral part of the ventromedial hypothalamus and ventrolateral periaqueductal gray; homeostasis-controlling hypothalamus; and the dorsal motor complex controlling intestinal functions. Oxytocin affects behavioural and neuroendocrine stress responses and terminates food intake by acting on the metabolic or nutritional homeostasis system, modulating emotional processing, reducing reward values of food intake, and facilitating sensory and cognitive processing via multiple brain regions. Oxytocin also plays a role in interactive actions between stress and food intake and contributes to adaptive active coping behaviours.
Collapse
Affiliation(s)
- Tatsushi Onaka
- Division of Brain and NeurophysiologyDepartment of PhysiologyJichi Medical UniversityShimotsuke‐shiJapan
| | - Yuki Takayanagi
- Division of Brain and NeurophysiologyDepartment of PhysiologyJichi Medical UniversityShimotsuke‐shiJapan
| |
Collapse
|
22
|
Hsu E. Hypothalamic Obesity Treatment Demands Thinking Outside the Box. Obesity (Silver Spring) 2019; 27:187. [PMID: 30474263 DOI: 10.1002/oby.22371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 10/31/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Eugenie Hsu
- Department of Psychiatry, Oakland Medical Center, Kaiser Permanente, Oakland, California, USA
| |
Collapse
|
23
|
Miller J. The potential of oxytocin for the treatment of hyperphagia in Prader-Willi Syndrome. Expert Opin Orphan Drugs 2018. [DOI: 10.1080/21678707.2018.1451326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Jennifer Miller
- Department of Pediatrics, Division of Endocrinology, University of Florida, Gainesville, FL, USA
| |
Collapse
|
24
|
Warren KR, Wehring HJ, Liu F, McMahon RP, Chen S, Chester C, Kelly DL. Effects of intranasal oxytocin on satiety signaling in people with schizophrenia. Physiol Behav 2018. [PMID: 29524451 DOI: 10.1016/j.physbeh.2018.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Overweight and obesity in schizophrenia are prevalent, affecting half to three-quarters of people with schizophrenia. Hyperphagia and increased meal size have also been implicated as significant contributors to the weight gain problem. Oxytocin has shown to play a role in appetite control in humans and is considered an anorexigenic peptide. This two-day, within-subjects, challenge study involved the examination of satiety after administration of 24 IU oxytocin (intranasal) vs. placebo in participants with a DSM-IV diagnosis of schizophrenia (N = 16). Self reported satiety along with a preload-test meal paradigm were utilized as well as related laboratory measures (insulin, glucose, and leptin), and measures of taste and smell. There were no statistically significant differences between the groups on self-reported satiety or test meal consumption, insulin or glucose levels, or sensory measures. A significant treatment difference was found (F = 5.22, df = 1,97.6, p = 0.025), with a decrease in leptin in the oxytocin group post-administration, but no time effect (F = 1.67, df = 6,95.1, p = 0.180) or treatment by time interaction (F = 1.36. df = 3,4.16, p = 0.261). Despite the small sample and mostly negative findings, we encourage more work to use higher and repeated doses of oxytocin, and to further examine the effect of oxytocin on leptin in schizophrenia as this may be important for understanding both weight control and psychopathology.
Collapse
Affiliation(s)
- Kimberly R Warren
- Maryland Psychiatric Research Center, University of Maryland, School of Medicine, PO Box 21247, Baltimore, MD 21228, United States; Morgan State University, Department of Psychology, 1700 East Cold Spring Lane, Baltimore, MD 21215, United States
| | - Heidi J Wehring
- Maryland Psychiatric Research Center, University of Maryland, School of Medicine, PO Box 21247, Baltimore, MD 21228, United States
| | - Fang Liu
- Maryland Psychiatric Research Center, University of Maryland, School of Medicine, PO Box 21247, Baltimore, MD 21228, United States
| | - Robert P McMahon
- Maryland Psychiatric Research Center, University of Maryland, School of Medicine, PO Box 21247, Baltimore, MD 21228, United States
| | - Shuo Chen
- Maryland Psychiatric Research Center, University of Maryland, School of Medicine, PO Box 21247, Baltimore, MD 21228, United States
| | - Charlene Chester
- Morgan State University, Department of Psychology, 1700 East Cold Spring Lane, Baltimore, MD 21215, United States
| | - Deanna L Kelly
- Maryland Psychiatric Research Center, University of Maryland, School of Medicine, PO Box 21247, Baltimore, MD 21228, United States.
| |
Collapse
|
25
|
Abstract
Oxytocin, a hypothalamic hormone that is secreted directly into the brain and enters the peripheral circulation through the posterior pituitary gland, regulates a range of physiologic processes, including eating behaviour and metabolism. In rodents and nonhuman primates, chronic oxytocin administration leads to sustained weight reduction by reducing food intake, increasing energy expenditure and inducing lipolysis. Oxytocin might improve glucose homeostasis, independently of its effects on weight. Clinical studies are beginning to translate these important preclinical findings to humans. This Review describes key data linking oxytocin to eating behaviour and metabolism in humans. For example, a single intranasal dose of oxytocin can reduce caloric intake, increase fat oxidation and improve insulin sensitivity in men. Furthermore, a pilot study of 8 weeks of oxytocin treatment in adults with obesity or overweight led to substantial weight loss. Together, these data support further investigation of interventions that target pathways involving oxytocin as potential therapeutics in metabolic disorders, including obesity and diabetes mellitus. Therapeutic considerations and areas for further research are also discussed.
Collapse
Affiliation(s)
- Elizabeth A Lawson
- Neuroendocrine Unit, Massachusetts General Hospital, 55 Fruit Street, Bulfinch 457 D, Boston, Massachusetts 02114, USA
| |
Collapse
|