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Rył A, Tomska N, Jakubowska A, Ogrodniczak A, Palma J, Rotter I. Genetic Aspects of Problematic and Risky Internet Use in Young Men-Analysis of ANKK1, DRD2 and NTRK3 Gene Polymorphism. Genes (Basel) 2024; 15:169. [PMID: 38397159 PMCID: PMC10887871 DOI: 10.3390/genes15020169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Internet addiction disorder (IAD) is characterized by an excess of uncontrolled preoccupations, urges, or behaviors related to computer use and Internet access that culminate in negative outcomes or individual distress. PIU includes excessive online activities (such as video gaming, social media use, streaming, pornography viewing, and shopping). The aim of this study was to analyze the association of gene polymorphisms that may influence the severity of risky behaviors in young men with the frequency of Internet use. We speculate that there are individual differences in the mechanisms of Internet addiction and that gene-hormone associations may represent useful biomarkers for subgroups of individuals. MATERIALS AND METHODS The study was conducted in a sample of 407 adult males. Subjects were asked to complete the Problematic Internet Use Test (PIUT). Serum was analyzed to determine concentrations of luteinizing hormone (LH), follicle stimulating hormone (FSH), testosterone (TT), sex hormone binding protein (SHBG), dehydroepiandrosterone sulfate (DHEA-S), estradiol (E2), prolactin (PRL), insulin (I), serotonin (5-HT), and dopamine (DA), as well as DRD2, ANKK1, and NTRK3 gene polymorphisms. RESULTS In the analysis of the ANKK1 gene, there was a specific association between ANKK1 polymorphisms and PRL and 5-HT blood concentrations. There was also an association between the ANKK1 polymorphisms and LH and DA concentrations. When analyzing the DRD2 gene polymorphism, we found that in the group with a moderate level of Internet dependence, there was an association between both the G/GG and GG/GG polymorphisms and FSH concentration. CONCLUSIONS Our study found that there may be an association between the NTRK3 gene polymorphism and PIU. The polymorphisms of ANKK1 and DRD2 genes may be factors that influence the concentrations of hormones (PRL, 5-HT, DA) that are associated with the results obtained in PIU.
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Affiliation(s)
- Aleksandra Rył
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (N.T.); (I.R.)
| | - Natalia Tomska
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (N.T.); (I.R.)
| | - Anna Jakubowska
- Department of Genetics and Pathology, Pomeranian Medical University, 71-252 Szczecin, Poland; (A.J.); (A.O.)
- Independent Laboratory of Molecular Biology and Genetic Diagnostics, Pomeranian Medical University, 71-252 Szczecin, Poland
| | - Alicja Ogrodniczak
- Department of Genetics and Pathology, Pomeranian Medical University, 71-252 Szczecin, Poland; (A.J.); (A.O.)
| | - Joanna Palma
- Department of Biochemical Science, Pomeranian Medical University, 71-460 Szczecin, Poland;
| | - Iwona Rotter
- Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University, 71-210 Szczecin, Poland; (N.T.); (I.R.)
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Gazal G, Zafar MS. A new cause of the adrenal crisis in dental and medical patients: Opioid-induced adrenal insufficiency. J Taibah Univ Med Sci 2022; 18:427-428. [PMID: 36818183 PMCID: PMC9932560 DOI: 10.1016/j.jtumed.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Affiliation(s)
- Giath Gazal
- Department of Oral and Maxillofacial Surgery, Taibah University, Almadinah Almunawwarah, KSA
| | - Muhammad S. Zafar
- Department of Restorative, Dentistry, Taibah University, Almadinah Almunawwarah, KSA,Corresponding address: Department of Restorative Dentistry, College of Dentistry, Taibah University, Almadinah Almunawwarah, 41311, KSA.
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Turner D, Briken P, Grubbs J, Malandain L, Mestre-Bach G, Potenza MN, Thibaut F. The World Federation of Societies of Biological Psychiatry guidelines on the assessment and pharmacological treatment of compulsive sexual behaviour disorder. DIALOGUES IN CLINICAL NEUROSCIENCE 2022; 24:10-69. [PMID: 37522807 PMCID: PMC10408697 DOI: 10.1080/19585969.2022.2134739] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 09/18/2022] [Accepted: 10/03/2022] [Indexed: 11/18/2022]
Abstract
OBJECTIVES The current guidelines aim to evaluate the role of pharmacological agents in the treatment of patients with compulsive sexual behaviour disorder (CSBD). They are intended for use in clinical practice by clinicians who treat patients with CSBD. METHODS An extensive literature search was conducted using the English-language-literature indexed on PubMed and Google Scholar without time limit, supplemented by other sources, including published reviews. RESULTS Each treatment recommendation was evaluated with respect to the strength of evidence for its efficacy, safety, tolerability, and feasibility. Psychoeducation and psychotherapy are first-choice treatments and should always be conducted. The type of medication recommended depended mainly on the intensity of CSBD and comorbid sexual and psychiatric disorders. There are few randomised controlled trials. Although no medications carry formal indications for CSBD, selective-serotonin-reuptake-inhibitors and naltrexone currently constitute the most relevant pharmacological treatments for the treatment of CSBD. In cases of CSBD with comorbid paraphilic disorders, hormonal agents may be indicated, and one should refer to previously published guidelines on the treatment of adults with paraphilic disorders. Specific recommendations are also proposed in case of chemsex behaviour associated with CSBD. CONCLUSIONS An algorithm is proposed with different levels of treatment for different categories of patients with CSBD.
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Affiliation(s)
- Daniel Turner
- Department of Psychiatry and Psychotherapy, University Medical Center Mainz, Mainz, Germany
| | - Peer Briken
- Institute for Sex Research, Sexual Medicine, and Forensic Psychiatry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Joshua Grubbs
- Department of Psychology, Bowling Green State University, Bowling Green, OH, USA
| | - Leo Malandain
- Department of Psychiatry and Addictive Disorders, University Hospital Cochin (site Tarnier) AP-HP, Paris, France
| | - Gemma Mestre-Bach
- Facultad de Ciencias de la Salud, Universidad Internacional de La Rioja, La Rioja, Spain
| | - Marc N. Potenza
- Departments of Psychiatry and Neuroscience and Child Study Center, Yale School of Medicine, New Haven, CT, USA
- Connecticut Mental Health Center, New Haven, CT, USA
- Connecticut Council on Problem Gambling, Wethersfield, CT, USA
- Wu Tsai Institute, Yale University, New Haven, CT, USA
| | - Florence Thibaut
- Department of Psychiatry and Addictive Disorders, University Hospital Cochin (site Tarnier) AP-HP, Paris, France
- INSERM U1266, Institute of Psychiatry and Neurosciences, University of Paris Cité, Paris, France
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Pupier E, Santos A, Etchamendy N, Lavielle A, Ferriere A, Marighetto A, Resmini E, Cota D, Webb SM, Tabarin A. Impaired quality of life, but not cognition, is linked to a history of chronic hypercortisolism in patients with Cushing's disease in remission. Front Endocrinol (Lausanne) 2022; 13:934347. [PMID: 36004342 PMCID: PMC9393704 DOI: 10.3389/fendo.2022.934347] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/15/2022] [Indexed: 11/13/2022] Open
Abstract
CONTEXT Impaired cognition and altered quality of life (QoL) may persist despite long-term remission of Cushing's disease (CD). Persistent comorbidities and treatment modalities may account for cognitive impairments. Therefore, the role of hypercortisolism per se on cognitive sequelae remains debatable. OBJECTIVE To investigate whether memory and QoL are impaired after long-term remission of CD in patients with no confounding comorbidity. DESIGN AND SETTING Cross-sectional case-control study in two tertiary referral centers. PATIENTS 25 patients (44.5 ± 2.4 years) in remission from CD for 102.7 ± 19.3 Mo and 25 well-matched controls, without comorbidity or treatment liable to impair cognition. MAIN OUTCOME MEASURES Hippocampus- and prefrontal cortex-dependent memory, including memory flexibility and working memory, were investigated using multiple tests including sensitive locally-developed computerized tasks. Depression and anxiety were evaluated with the MADRS and HADS questionnaires. QoL was evaluated with the SF-36 and CushingQoL questionnaires. The intensity of CD was assessed using mean urinary free cortisol and a score for clinical symptoms. RESULTS CD patients displayed similar performance to controls in all cognitive tests. In contrast, despite the absence of depression and a minimal residual clinical Cushing score, patients had worse QoL. Most of the SF36 subscales and the CushingQoL score were negatively associated only with the duration of exposure to hypercortisolism (p≤ 0.01 to 0.001). CONCLUSIONS Persistent comorbidities can be a primary cause of long-lasting cognitive impairment and should be actively treated. Persistently altered QoL may reflect irreversible effects of hypercortisolism, highlighting the need to reduce its duration. CLINICAL TRIAL REGISTRATION NUMBER https://clinicaltrials.gov, identifier NCT02603653.
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Affiliation(s)
- Emilie Pupier
- Department of Endocrinology, Diabetes and Nutrition, CHU of Bordeaux and University of Bordeaux, Pessac, France
| | - Alicia Santos
- Endocrinology Department, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER, Unidad 747) Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Department Medicine, Research Center for Pituitary Diseases, Hospital Sant Pau, Institut d'Investigació Biomèdica (IIB)-Sant Pau, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Nicole Etchamendy
- Neurocentre Magendie, University of Bordeaux, Institut National de la Santé et de la Recherche Médicale (INSERM), Bordeaux, France
| | - Aurélie Lavielle
- Department of Endocrinology, Diabetes and Nutrition, CHU of Bordeaux and University of Bordeaux, Pessac, France
| | - Amandine Ferriere
- Department of Endocrinology, Diabetes and Nutrition, CHU of Bordeaux and University of Bordeaux, Pessac, France
| | - Aline Marighetto
- Neurocentre Magendie, University of Bordeaux, Institut National de la Santé et de la Recherche Médicale (INSERM), Bordeaux, France
| | - Eugenia Resmini
- Endocrinology Department, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER, Unidad 747) Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Department Medicine, Research Center for Pituitary Diseases, Hospital Sant Pau, Institut d'Investigació Biomèdica (IIB)-Sant Pau, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Daniela Cota
- Neurocentre Magendie, University of Bordeaux, Institut National de la Santé et de la Recherche Médicale (INSERM), Bordeaux, France
| | - Susan M. Webb
- Endocrinology Department, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER, Unidad 747) Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
- Department Medicine, Research Center for Pituitary Diseases, Hospital Sant Pau, Institut d'Investigació Biomèdica (IIB)-Sant Pau, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Antoine Tabarin
- Department of Endocrinology, Diabetes and Nutrition, CHU of Bordeaux and University of Bordeaux, Pessac, France
- Neurocentre Magendie, University of Bordeaux, Institut National de la Santé et de la Recherche Médicale (INSERM), Bordeaux, France
- *Correspondence: Antoine Tabarin,
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Carpita B, Muti D, Nardi B, Benedetti F, Cappelli A, Cremone IM, Carmassi C, Dell’Osso L. Biochemical Correlates of Video Game Use: From Physiology to Pathology. A Narrative Review. Life (Basel) 2021; 11:775. [PMID: 34440519 PMCID: PMC8401252 DOI: 10.3390/life11080775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/24/2021] [Accepted: 07/28/2021] [Indexed: 12/14/2022] Open
Abstract
In the last few decades, video game playing progressively became a widespread activity for many people, in childhood as well in adulthood. An increasing amount of literature has focused on pathological and non-pathological correlates of video game playing, with specific attention towards Internet Gaming Disorder (IGD). While many neurobiological studies in this field were based on neuroimaging, highlighting structural and functional brain changes among video game users, only a limited number of studies investigated the presence of biochemical correlates of video gaming. The present work aims to summarize and review the available literature about biochemical changes linked to video game use in IGD patients as well as non-pathological users, and the differences in between. Results may shed light on risks and benefits of video games, providing directions for further research on IGD treatment and, on other hand, on the potential role of video games in therapeutic or preventive protocols for specific conditions.
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Affiliation(s)
- Barbara Carpita
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (B.N.); (F.B.); (A.C.); (I.M.C.); (C.C.); (L.D.)
| | - Dario Muti
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (B.N.); (F.B.); (A.C.); (I.M.C.); (C.C.); (L.D.)
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Li S, Wu Q, Tang C, Chen Z, Liu L. Exercise-Based Interventions for Internet Addiction: Neurobiological and Neuropsychological Evidence. Front Psychol 2020; 11:1296. [PMID: 32670157 PMCID: PMC7330165 DOI: 10.3389/fpsyg.2020.01296] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 05/18/2020] [Indexed: 12/24/2022] Open
Abstract
With the increase in the number of internet users, the problems associated with excessive internet use have become increasingly obvious. Internet addiction can alter neurobiology, and its symptoms can be alleviated through exercise, but whether exercise exerts these effects through neurobiological pathways is unclear. Here, we reviewed the neurobiological mechanisms of exercise-based interventions against internet addiction by searching PubMed and Google Scholar for relevant research using such keywords as “exercise”, “internet addiction”, “hypothalamic-pituitary-adrenal axis”, “neurotrophin”, and “dopamine”. This review summarizes advances in our understanding of the neurobiological processes through which exercise can reduce internet addiction, and our analysis strengthens the idea that exercise-based interventions can be effective in this regard. The available evidence suggests that exercise can increase the levels of neurotrophic factors, cortisol, and neurotransmitters; improve the morphology of specific parts of the central nervous system, such as by stimulating hippocampal neurogenesis; protect the autonomic nervous system; and control the reward urge. In other words, exercise appears to mitigate internet addiction by regulating the neurobiology of the central and autonomic nervous systems. In this way, exercise-based interventions can be recommended for reducing internet addiction.
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Affiliation(s)
- Shanshan Li
- Institute of Sport Science, Sichuan University, Chengdu, China
| | - Qianjin Wu
- Institute of Sport Science, Sichuan University, Chengdu, China
| | - Cheng Tang
- Institute of Sport Science, Sichuan University, Chengdu, China
| | - Zichao Chen
- Institute of Sport Science, Sichuan University, Chengdu, China
| | - Li Liu
- Institute of Sport Science, Sichuan University, Chengdu, China
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Mousavi A, Askari N, Vaez-Mahdavi MR. Augmentation of morphine-conditioned place preference by food restriction is associated with alterations in the oxytocin/oxytocin receptor in rat models. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2020; 46:304-315. [PMID: 31609135 DOI: 10.1080/00952990.2019.1648483] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Studies indicate that food restriction (FR) reinforces the effects of morphine. The exact mechanisms by which FR influences the reward circuitry of morphine have not yet been determined. OBJECTIVES We hypothesized that the effects of FR on the oxytocin (OXT) system and HPA axis can be associated with substance abuse disorders. In this study, the serum levels of OXT and corticosterone, and the expression of OXT/OXT receptor (OXTR), glucocorticoid receptor (GR), and brain-derived neurotrophic factor (BDNF) in the hippocampus, prefrontal cortex, and nucleus accumbens were investigated in an FR model. METHODS First, the male rats (n = 8 per group) were subjected to FR for 3 weeks. Then, morphine-induced conditioned place preference (CPP) was observed using two doses of morphine (3 and 5 mg/kg). The serum concentrations of corticosterone and OXT were determined by ELISA and the expression of genes was examined by qPCR. RESULTS FR induced an enhanced preference in the animals for the 5 mg/kg dose of morphine compared to the controls. Serum corticosterone levels increased after FR but OXT levels decreased. Meanwhile, FR actuated downregulation of GR, BDNF, and OXT genes, while inducing the overexpression of OXTR. CONCLUSION We propose the inclusion of OXT and OXTR alterations in the enhancement of morphine-induced CPP and addiction vulnerability following FR. Moreover, we conclude that altered BDNF levels and HPA axis activity may be the mechanisms involved in the effects of FR on morphine-induced behavior.
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Affiliation(s)
- Ali Mousavi
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman , Kerman, I.R. Iran
| | - Nayere Askari
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman , Kerman, I.R. Iran.,Immunoregulation Research Center, Shahed University , Tehran, I.R. Iran
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Xin N, Jiang Y, Liu S, Zhou Y, Cheng Y. Effects of prednisolone on behavior and hypothalamic-pituitary-interrenal axis activity in zebrafish. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 75:103325. [PMID: 31924570 DOI: 10.1016/j.etap.2020.103325] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 03/17/2019] [Accepted: 01/02/2020] [Indexed: 06/10/2023]
Abstract
Prednisolone is a synthetic glucocorticoid used clinically for treating allergies, inflammation, and autoimmune diseases. Long-term prednisolone use has been shown to have negative effects on physiology and mood. We aimed to study the pharmacology and toxicology of glucocorticoid-like drugs by investigating behavioral and hypothalamic-pituitary-interrenal (HPI) axis effects in a zebrafish model. Zebrafish embryos 24 h post fertilization were exposed to 25 μM prednisolone. Their behavior was investigated 5 days post fertilization (dpf), and their HPI axis-related activity and related neurotransmitter levels were investigated 3, 4, 5, and 6 dpf. The behavior results showed that exposure to prednisolone resulted in decreased autonomic activity and low sensitivity to light. qRT-PCR and ELISA results showed decreased activity of the HPI axis and increased secretion of dopamine and serotonin after exposure to prednisolone. This study provides us with new insights into understanding the effects of glucocorticoids on the HPI axis.
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Affiliation(s)
- Ning Xin
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221000, China
| | - Yu Jiang
- Department of Orthopedics, The Affiliated Wuxi No. 2, People's Hospital of Nanjing Medical University, Wuxi, Jiangsu, 214000, China
| | - Sha Liu
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221000, China
| | - Yanlong Zhou
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221000, China
| | - Yanbo Cheng
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221000, China.
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Geisel O, Hellweg R, Wiedemann K, Müller CA. Plasma levels of leptin in patients with pathological gambling, internet gaming disorder and alcohol use disorder. Psychiatry Res 2018; 268:193-197. [PMID: 30041134 DOI: 10.1016/j.psychres.2018.06.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 06/14/2018] [Accepted: 06/16/2018] [Indexed: 01/12/2023]
Abstract
Leptin has been suggested to be involved in the pathophysiology of addictive disorders via modulation of mesolimbic reward pathways. Previous studies in patients with substance use disorders (alcohol, tobacco, cocaine) found positive correlations of leptin blood levels with craving. Here, we investigated leptin blood levels in patients with non-substance related addictive disorders such as pathological gambling (PG) and internet gaming disorder (IGD) in comparison to patients with alcohol use disorder (AUD) and healthy controls. Plasma levels of leptin were measured in male patients with PG (n = 14), male patients with IGD (n = 11), male patients with AUD (n = 39) and male healthy controls (n = 12). Additionally, correlation analyses with blood levels of HPA axis hormones were performed. Leptin plasma levels of patients with PG, IGD or AUD and healthy controls did not differ significantly across groups. In patients with PG, leptin plasma levels were correlated with copeptin, a surrogate for arginine vasopressin. Our findings do not suggest an involvement of leptin in abstinent patients with AUD or in patients with active IGD. In patients with active PG, leptin blood levels were not related to craving for gambling, but leptin might be involved in PG via an interaction with the HPA axis.
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Affiliation(s)
- Olga Geisel
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany.
| | - Rainer Hellweg
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Klaus Wiedemann
- Department of Psychiatry, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Christian A Müller
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
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Wiet S. Origins of Addiction Predictably Embedded in Childhood Trauma: A Neurobiological Review. Soa Chongsonyon Chongsin Uihak 2017. [DOI: 10.5765/jkacap.2017.28.1.4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Susie Wiet
- General, Child and Adolescent Psychiatrist, Addiction Medicine, Holistic Treament for Psychiatry Trauma Addiction, University of Utah-Adjunct Volunteer Faculty, Salt Lake City, UT, USA
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McCarthy JJ, Terplan M. Detoxification from opiates during pregnancy: stressing the fetal brain. Am J Obstet Gynecol 2016; 215:670.e1-670.e2. [PMID: 27262972 DOI: 10.1016/j.ajog.2016.05.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 05/25/2016] [Indexed: 11/24/2022]
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Gallo-Payet N. 60 YEARS OF POMC: Adrenal and extra-adrenal functions of ACTH. J Mol Endocrinol 2016; 56:T135-56. [PMID: 26793988 DOI: 10.1530/jme-15-0257] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 01/21/2016] [Indexed: 01/27/2023]
Abstract
The pituitary adrenocorticotropic hormone (ACTH) plays a pivotal role in homeostasis and stress response and is thus the major component of the hypothalamo-pituitary-adrenal axis. After a brief summary of ACTH production from proopiomelanocortin (POMC) and on ACTH receptor properties, the first part of the review covers the role of ACTH in steroidogenesis and steroid secretion. We highlight the mechanisms explaining the differential acute vs chronic effects of ACTH on aldosterone and glucocorticoid secretion. The second part summarizes the effects of ACTH on adrenal growth, addressing its role as either a mitogenic or a differentiating factor. We then review the mechanisms involved in steroid secretion, from the classical Cyclic adenosine monophosphate second messenger system to various signaling cascades. We also consider how the interaction between the extracellular matrix and the cytoskeleton may trigger activation of signaling platforms potentially stimulating or repressing the steroidogenic potency of ACTH. Finally, we consider the extra-adrenal actions of ACTH, in particular its role in differentiation in a variety of cell types, in addition to its known lipolytic effects on adipocytes. In each section, we endeavor to correlate basic mechanisms of ACTH function with the pathological consequences of ACTH signaling deficiency and of overproduction of ACTH.
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Affiliation(s)
- Nicole Gallo-Payet
- Division of EndocrinologyDepartment of Medicine, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada Division of EndocrinologyDepartment of Medicine, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada
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Baiamonte M, Parker MO, Vinson GP, Brennan CH. Sustained Effects of Developmental Exposure to Ethanol on Zebrafish Anxiety-Like Behaviour. PLoS One 2016; 11:e0148425. [PMID: 26862749 PMCID: PMC4749633 DOI: 10.1371/journal.pone.0148425] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 01/18/2016] [Indexed: 11/24/2022] Open
Abstract
In zebrafish developmentally exposed to ambient ethanol (20mM-50mM) 1–9 days post fertilization (dpf), the cortisol response to stress has been shown to be significantly attenuated in larvae, juveniles and 6 month old adults. These data are somewhat at variance with similar studies in mammals, which often show heightened stress responses. To test whether these cortisol data correlate with behavioural changes in treated animals, anxiety-like behaviour of zebrafish larvae (9dpf and 10dpf) and juveniles (23dpf) was tested in locomotor assays designed to this end. In open field tests treated animals were more exploratory, spending significantly less time at the periphery of the arena. Behavioural effects of developmental exposure to ethanol were sustained in 6-month-old adults, as judged by assessment of thigmotaxis, novel tank diving and scototaxis. Like larvae and juveniles, developmentally treated adults were generally more exploratory, and spent less time at the periphery of the arena in thigmotaxis tests, less time at the bottom of the tank in the novel tank diving tests, and less time in the dark area in scototaxis tests. The conclusion that ethanol-exposed animals showed less anxiety-like behaviour was validated by comparison with the effects of diazepam treatment, which in thigmotaxis and novel tank diving tests had similar effects to ethanol pretreatment. There is thus a possible link between the hypophyseal-pituitary-interrenal axis and the behavioural actions of developmental ethanol exposure. The mechanisms require further elucidation.
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Affiliation(s)
- Matteo Baiamonte
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
| | - Matthew O. Parker
- School of Health Sciences and Social Work, University of Portsmouth, Portsmouth, United Kingdom
| | - Gavin P. Vinson
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
| | - Caroline H. Brennan
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
- * E-mail:
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Cadoni C. Fischer 344 and Lewis Rat Strains as a Model of Genetic Vulnerability to Drug Addiction. Front Neurosci 2016; 10:13. [PMID: 26903787 PMCID: PMC4746315 DOI: 10.3389/fnins.2016.00013] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 01/11/2016] [Indexed: 01/02/2023] Open
Abstract
Today it is well acknowledged that both nature and nurture play important roles in the genesis of psychopathologies, including drug addiction. Increasing evidence suggests that genetic factors contribute for at least 40–60% of the variation in liability to drug dependence. Human genetic studies suggest that multiple genes of small effect, rather than single genes, contribute to the genesis of behavioral psychopathologies. Therefore, the use of inbred rat strains might provide a valuable tool to identify differences, linked to genotype, important in liability to addiction and related disorders. In this regard, Lewis and Fischer 344 inbred rats have been proposed as a model of genetic vulnerability to drug addiction, given their innate differences in sensitivity to the reinforcing and rewarding effects of drugs of abuse, as well their different responsiveness to stressful stimuli. This review will provide evidence in support of this model for the study of the genetic influence on addiction vulnerability, with particular emphasis on differences in mesolimbic dopamine (DA) transmission, rewarding and emotional function. It will be highlighted that Lewis and Fischer 344 rats differ not only in several indices of DA transmission and adaptive changes following repeated drug exposure, but also in hypothalamic-pituitary-adrenal (HPA) axis responsiveness, influencing not only the ability of the individual to cope with stressful events, but also interfering with rewarding and motivational processes, given the influence of corticosteroids on dopamine neuron functionality. Further differences between the two strains, as impulsivity or anxiousness, might contribute to their different proneness to addiction, and likely these features might be linked to their different DA neurotransmission plasticity. Although differences in other neurotransmitter systems might deserve further investigation, results from the reviewed studies might open new vistas in understanding aberrant deviations in reward and motivational functions.
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Affiliation(s)
- Cristina Cadoni
- Institute of Neuroscience, Cagliari Section, Department of Biomedical Sciences, National Research Council of ItalyCagliari, Italy; Centre of Excellence "Neurobiology of Dependence", University of CagliariCagliari, Italy
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15
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Sustained action of developmental ethanol exposure on the cortisol response to stress in zebrafish larvae and adults. PLoS One 2015; 10:e0124488. [PMID: 25875496 PMCID: PMC4395288 DOI: 10.1371/journal.pone.0124488] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 03/03/2015] [Indexed: 01/06/2023] Open
Abstract
Background Ethanol exposure during pregnancy is one of the leading causes of preventable birth defects, leading to a range of symptoms collectively known as fetal alcohol spectrum disorder. More moderate levels of prenatal ethanol exposure lead to a range of behavioural deficits including aggression, poor social interaction, poor cognitive performance and increased likelihood of addiction in later life. Current theories suggest that adaptation in the hypothalamo-pituitary-adrenal (HPA) axis and neuroendocrine systems contributes to mood alterations underlying behavioural deficits and vulnerability to addiction. In using zebrafish (Danio rerio), the aim is to determine whether developmental ethanol exposure provokes changes in the hypothalamo-pituitary-interrenal (HPI) axis (the teleost equivalent of the HPA), as it does in mammalian models, therefore opening the possibilities of using zebrafish to elucidate the mechanisms involved, and to test novel therapeutics to alleviate deleterious symptoms. Results and Conclusions The results showed that developmental exposure to ambient ethanol, 20mM-50mM 1-9 days post fertilisation, had immediate effects on the HPI, markedly reducing the cortisol response to air exposure stress, as measured by whole body cortisol content. This effect was sustained in adults 6 months later. Morphology, growth and locomotor activity of the animals were unaffected, suggesting a specific action of ethanol on the HPI. In this respect the data are consistent with mammalian results, although they contrast with the higher corticosteroid stress response reported in rats after developmental ethanol exposure. The mechanisms that underlie the specific sensitivity of the HPI to ethanol require elucidation.
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Geisel O, Panneck P, Hellweg R, Wiedemann K, Müller CA. Hypothalamic-pituitary-adrenal axis activity in patients with pathological gambling and internet use disorder. Psychiatry Res 2015; 226:97-102. [PMID: 25619430 DOI: 10.1016/j.psychres.2014.11.078] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 10/08/2014] [Accepted: 11/24/2014] [Indexed: 01/30/2023]
Abstract
Alterations in secretion of stress hormones within the hypothalamic-pituitary-adrenal (HPA) axis have repeatedly been found in substance-related addictive disorders. It has been suggested that glucocorticoids might contribute to the development and maintenance of substance use disorders by facilitatory effects on behavioral responses to substances of abuse. The objective of this pilot study was to investigate HPA axis activity in patients with non-substance-related addictive disorders, i.e. pathological gambling and internet use disorder. We measured plasma levels of copeptin, a vasopressin surrogate marker, adrenocorticotropic hormone (ACTH) and cortisol in male patients with pathological gambling (n=14), internet use disorder (n=11) and matched healthy controls for pathological gambling (n=13) and internet use disorder (n=10). Plasma levels of copeptin, ACTH and cortisol in patients with pathological gambling or internet use disorder did not differ among groups. However, cortisol plasma levels correlated negatively with the severity of pathological gambling as measured by the PG-YBOCS. Together with our findings of increased serum levels of brain-derived neurotrophic factor (BDNF) in pathological gambling but not internet use disorder, these results suggest that the pathophysiology of pathological gambling shares some characteristics with substance-related addictive disorders on a neuroendocrinological level, whereas those similarities could not be observed in internet use disorder.
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Affiliation(s)
- Olga Geisel
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin Charitéplatz 1, 10117 Berlin, Germany.
| | - Patricia Panneck
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin Charitéplatz 1, 10117 Berlin, Germany
| | - Rainer Hellweg
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin Charitéplatz 1, 10117 Berlin, Germany
| | - Klaus Wiedemann
- Department of Psychiatry, Universitätsklinikum Hamburg Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - Christian A Müller
- Department of Psychiatry, Campus Charité Mitte, Charité - Universitätsmedizin Berlin Charitéplatz 1, 10117 Berlin, Germany
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Li Y, Sescousse G, Dreher JC. Endogenous cortisol levels are associated with an imbalanced striatal sensitivity to monetary versus non-monetary cues in pathological gamblers. Front Behav Neurosci 2014; 8:83. [PMID: 24723862 PMCID: PMC3971166 DOI: 10.3389/fnbeh.2014.00083] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Accepted: 02/25/2014] [Indexed: 11/13/2022] Open
Abstract
Pathological gambling is a behavioral addiction characterized by a chronic failure to resist the urge to gamble. It shares many similarities with drug addiction. Glucocorticoid hormones including cortisol are thought to play a key role in the vulnerability to addictive behaviors, by acting on the mesolimbic reward pathway. Based on our previous report of an imbalanced sensitivity to monetary versus non-monetary incentives in the ventral striatum of pathological gamblers (PGs), we investigated whether this imbalance was mediated by individual differences in endogenous cortisol levels. We used functional magnetic resonance imaging (fMRI) and examined the relationship between cortisol levels and the neural responses to monetary versus non-monetary cues, while PGs and healthy controls were engaged in an incentive delay task manipulating both monetary and erotic rewards. We found a positive correlation between cortisol levels and ventral striatal responses to monetary versus erotic cues in PGs, but not in healthy controls. This indicates that the ventral striatum is a key region where cortisol modulates incentive motivation for gambling versus non-gambling related stimuli in PGs. Our results extend the proposed role of glucocorticoid hormones in drug addiction to behavioral addiction, and help understand the impact of cortisol on reward incentive processing in PGs.
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Affiliation(s)
- Yansong Li
- Reward and Decision Making Team, Centre de Neurosciences Cognitives, CNRS, UMR 5229 Lyon, France ; Neuroscience Department, Université Claude Bernard Lyon 1 Lyon, France
| | - Guillaume Sescousse
- Reward and Decision Making Team, Centre de Neurosciences Cognitives, CNRS, UMR 5229 Lyon, France
| | - Jean-Claude Dreher
- Reward and Decision Making Team, Centre de Neurosciences Cognitives, CNRS, UMR 5229 Lyon, France ; Neuroscience Department, Université Claude Bernard Lyon 1 Lyon, France
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