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Wank I, Mittmann C, Kreitz S, Chestnykh D, Mühle C, Kornhuber J, Ludwig A, Kalinichenko LS, Müller CP, Hess A. Neutral sphingomyelinase controls acute and chronic alcohol effects on brain activity. Neuropharmacology 2024; 253:109948. [PMID: 38636728 DOI: 10.1016/j.neuropharm.2024.109948] [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: 01/11/2024] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 04/20/2024]
Abstract
Alcohol consumption is a widespread phenomenon throughout the world. However, how recreational alcohol use evolves into alcohol use disorder (AUD) remains poorly understood. The Smpd3 gene and its coded protein neutral sphingomyelinase (NSM) are associated with alcohol consumption in humans and alcohol-related behaviors in mice, suggesting a potential role in this transition. Using multiparametric magnetic resonance imaging, we characterized the role of NSM in acute and chronic effects of alcohol on brain anatomy and function in female mice. Chronic voluntary alcohol consumption (16 vol% for at least 6 days) affected brain anatomy in WT mice, reducing regional structure volume predominantly in cortical regions. Attenuated NSM activity prevented these anatomical changes. Functional MRI linked these anatomical adaptations to functional changes: Chronic alcohol consumption in mice significantly modulated resting state functional connectivity (RS FC) in response to an acute ethanol challenge (i.p. bolus of 2 g kg-1) in heterozygous NSM knockout (Fro), but not in WT mice. Acute ethanol administration in alcohol-naïve WT mice significantly decreased RS FC in cortical and brainstem regions, a key finding that was amplified in Fro mice. Regarding direct pharmacological effects, acute ethanol administration increased the regional cerebral blood volume (rCBV) in many brain areas. Here, chronic alcohol consumption otherwise attenuated the acute rCBV response in WT mice but enhanced it in Fro mice. Altogether, these findings suggest a differential role for NSM in acute and chronic functional brain responses to alcohol. Therefore, targeting NSM may be useful in the prevention or treatment of AUD.
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Affiliation(s)
- Isabel Wank
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fahrstraße 17, 91054, Erlangen, Germany
| | - Claire Mittmann
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91045, Erlangen, Germany
| | - Silke Kreitz
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fahrstraße 17, 91054, Erlangen, Germany; Department of Neuroradiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Daria Chestnykh
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91045, Erlangen, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91045, Erlangen, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91045, Erlangen, Germany
| | - Andreas Ludwig
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fahrstraße 17, 91054, Erlangen, Germany
| | - Liubov S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91045, Erlangen, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91045, Erlangen, Germany; Centre for Drug Research, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia; Institute of Psychopharmacology, Central Institute of Mental Health, University of Heidelberg, 68159, Heidelberg, Germany
| | - Andreas Hess
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fahrstraße 17, 91054, Erlangen, Germany; Department of Neuroradiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany; FAU NeW - Research Center for New Bioactive Compounds, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany.
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Feng W, Zhang B, Duan P, Bi YH, Jin Z, Li X, Zhao X, Zuo K. Risk of major depressive increases with increasing frequency of alcohol drinking: a bidirectional two-sample Mendelian randomization analysis. Front Public Health 2024; 12:1372758. [PMID: 38898891 PMCID: PMC11186411 DOI: 10.3389/fpubh.2024.1372758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 05/14/2024] [Indexed: 06/21/2024] Open
Abstract
Introduction A growing body of evidence suggests that alcohol use disorders coexist with depression. However, the causal relationship between alcohol consumption and depression remains a topic of controversy. Methods We conducted a two-sample two-way Mendelian randomization analysis using genetic variants associated with alcohol use and major depressive disorder from a genome-wide association study. Results Our research indicates that drinking alcohol can reduce the risk of major depression (odds ratio: 0.71, 95% confidence interval: 0.54~0.93, p = 0.01), while increasing the frequency of drinking can increase the risk of major depression (odds ratio: 1.09, 95% confidence interval: 1.00~1.18, p = 0.04). Furthermore, our multivariate MR analysis demonstrated that even after accounting for different types of drinking, the promoting effect of drinking frequency on the likelihood of developing major depression still persists (odds ratio: 1.13, 95% confidence interval: 1.04~1.23, p = 0.005). Additionally, mediation analysis using a two-step MR approach revealed that this effect is partially mediated by the adiposity index, with a mediated proportion of 37.5% (95% confidence interval: 0.22 to 0.38). Discussion In this study, we found that alcohol consumption can alleviate major depression, while alcohol intake frequency can aggravate it.These findings have important implications for the development of prevention and intervention strategies targeting alcohol-related depression.
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Affiliation(s)
| | - Bing Zhang
- Department of Anesthesiology, The Key Laboratory of Anesthesiology and Intensive Care Research of Heilongjiang Province, Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, China
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Kalinichenko L, Kornhuber J, Sinning S, Haase J, Müller CP. Serotonin Signaling through Lipid Membranes. ACS Chem Neurosci 2024; 15:1298-1320. [PMID: 38499042 PMCID: PMC10995955 DOI: 10.1021/acschemneuro.3c00823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 03/20/2024] Open
Abstract
Serotonin (5-HT) is a vital modulatory neurotransmitter responsible for regulating most behaviors in the brain. An inefficient 5-HT synaptic function is often linked to various mental disorders. Primarily, membrane proteins controlling the expression and activity of 5-HT synthesis, storage, release, receptor activation, and inactivation are critical to 5-HT signaling in synaptic and extra-synaptic sites. Moreover, these signals represent information transmission across membranes. Although the lipid membrane environment is often viewed as fairly stable, emerging research suggests significant functional lipid-protein interactions with many synaptic 5-HT proteins. These protein-lipid interactions extend to almost all the primary lipid classes that form the plasma membrane. Collectively, these lipid classes and lipid-protein interactions affect 5-HT synaptic efficacy at the synapse. The highly dynamic lipid composition of synaptic membranes suggests that these lipids and their interactions with proteins may contribute to the plasticity of the 5-HT synapse. Therefore, this broader protein-lipid model of the 5-HT synapse necessitates a reconsideration of 5-HT's role in various associated mental disorders.
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Affiliation(s)
- Liubov
S. Kalinichenko
- Department
of Psychiatry and Psychotherapy, University
Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Johannes Kornhuber
- Department
of Psychiatry and Psychotherapy, University
Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Steffen Sinning
- Department
of Forensic Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark
| | - Jana Haase
- School
of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Dublin, Ireland
| | - Christian P. Müller
- Department
of Psychiatry and Psychotherapy, University
Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
- Institute
of Psychopharmacology, Central Institute of Mental Health, Medical
Faculty Mannheim, Heidelberg University, 69047, Mannheim, Germany
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von Zimmermann C, Hübner M, Mühle C, Müller CP, Weinland C, Kornhuber J, Lenz B. Masculine depression and its problem behaviors: use alcohol and drugs, work hard, and avoid psychiatry! Eur Arch Psychiatry Clin Neurosci 2024; 274:321-333. [PMID: 36855002 PMCID: PMC10914846 DOI: 10.1007/s00406-023-01567-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 01/30/2023] [Indexed: 03/02/2023]
Abstract
The gender role influences vulnerability to mental illness. Substance use, even critical in scale, is perceived as masculine, just like hard (over-)work, while not seeking help. With the ongoing separation between gender and sex, masculine norms become more relevant also to females' mental health. The male depression concept highlights the role of male symptoms in affective disorders. However, the empirical evidence is still limited. Here, we use the denomination 'masculine depression' to open the category for female patients and tested substance use patterns, health services' utilization, and working hours as predictors in a case-control study of 163 depressed in-patients (44% women; masculine vs. non-masculine depression according to a median split of the Male Depression Rating Scale-22) and 176 controls (51% women). We assessed higher depression severity in patients with masculine (vs. non-masculine) depression. Masculine depression (vs. non-masculine depression and vs. no depression) was predicted by more frequent and critical use of alcohol (including binge drinking), tobacco, and illicit drugs, and by longer working times. Moreover, fewer health services contacts due to mental complaints during the previous year were associated with masculine (vs. non-masculine) depression. Alarmingly, even critical substance misuse was not significantly associated with more frequent health services contacts; however, the higher the depression severity, the more contacts the patients reported. Here, we provide evidence that patients with masculine depression are highly burdened and undertreated, which applies equally to female and male patients. This study identified promising targets to establish specialized care offers.
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Affiliation(s)
- Claudia von Zimmermann
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany.
| | - Magdalena Hübner
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany
| | - Christian Weinland
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany
| | - Bernd Lenz
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Schwabachanlage 6, 91054, Erlangen, Germany
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Kalinichenko LS, Kohl Z, Mühle C, Hassan Z, Hahn A, Schmitt EM, Macht K, Stoyanov L, Moghaddami S, Bilbao R, Eulenburg V, Winkler J, Kornhuber J, Müller CP. Sex-specific pleiotropic changes in emotional behavior and alcohol consumption in human α-synuclein A53T transgenic mice during early adulthood. J Neurochem 2024; 168:269-287. [PMID: 38284431 DOI: 10.1111/jnc.16051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/15/2023] [Accepted: 01/07/2024] [Indexed: 01/30/2024]
Abstract
Point mutations in the α-synuclein coding gene may lead to the development of Parkinson's disease (PD). PD is often accompanied by other psychiatric conditions, such as anxiety, depression, and drug use disorders, which typically emerge in adulthood. Some of these point mutations, such as SNCA and A30T, have been linked to behavioral effects that are not commonly associated with PD, especially regarding alcohol consumption patterns. In this study, we investigated whether the familial PD point mutation A53T is associated with changes in alcohol consumption behavior and emotional states at ages not yet characterized by α-synuclein accumulation. The affective and alcohol-drinking phenotypes remained unaltered in female PDGF-hA53T-synuclein-transgenic (A53T) mice during both early and late adulthood. Brain region-specific activation of ceramide-producing enzymes, acid sphingomyelinase (ASM), and neutral sphingomyelinase (NSM), known for their neuroprotective properties, was observed during early adulthood but not in late adulthood. In males, the A53T mutation was linked to a reduction in alcohol consumption in both early and late adulthood. However, male A53T mice displayed increased anxiety- and depression-like behaviors during both early and late adulthood. Enhanced ASM activity in the dorsal mesencephalon and ventral hippocampus may potentially contribute to these adverse behavioral effects of the mutation in males during late adulthood. In summary, the A53T gene mutation was associated with diverse changes in emotional states and alcohol consumption behavior long before the onset of PD, and these effects varied by sex. These alterations in behavior may be linked to changes in brain ceramide metabolism.
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Affiliation(s)
- Liubov S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Zacharias Kohl
- Division of Molecular Neurology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
- Center for Rare Diseases Erlangen (ZSEER), University Hospital Erlangen, Erlangen, Germany
- Department of Neurology, University of Regensburg, Regensburg, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia
| | - Agnes Hahn
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Eva-Maria Schmitt
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Kilian Macht
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Lyubomir Stoyanov
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Schayan Moghaddami
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Roberto Bilbao
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Volker Eulenburg
- Department for Anesthesiology and Intensive Care, Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Jürgen Winkler
- Division of Molecular Neurology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
- Center for Rare Diseases Erlangen (ZSEER), University Hospital Erlangen, Erlangen, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
- Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia
- Institute of Psychopharmacology, Central Institute of Mental Health, Faculty of Medicine Mannheim, University of Heidelberg, Heidelberg, Germany
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Cui X, Li J, Wang C, Ishaq HM, Zhang R, Yang F. Relationship between sphingolipids-mediated neuroinflammation and alcohol use disorder. Pharmacol Biochem Behav 2024; 235:173695. [PMID: 38128765 DOI: 10.1016/j.pbb.2023.173695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 12/07/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Alcohol use disorder is a chronic recurrent encephalopathy, and its pathogenesis has not been fully understood. Among possible explanations, neuroinflammation caused by the disorders of brain central immune signaling has been identified as one possible mechanism of alcohol use disorder. As the basic components of cells and important bioactive molecules, sphingolipids are essential in regulating many cellular activities. Recent studies have shown that sphingolipids-mediated neuroinflammation may be involved in the development of alcohol use disorder. METHODS PubMed databases were searched for literature on sphingolipids and alcohol use disorder (alcohol abuse, alcohol addiction, alcohol dependence, and alcohol misuse) including evidence of the relationship between sphingolipids-mediated neuroinflammation and alcohol use disorder (formation, withdrawal, treatment). RESULTS Disorders of sphingolipid metabolism, including the different types of sphingolipids and regulatory enzyme activity, have been found in patients with alcohol use disorder as well as animal models, which in turn cause neuro-inflammation in the central nervous system. Thus, these disorders may also be an important mechanism in the development of alcohol use disorder in patients. In addition, different sphingolipids may have different or even reverse effects on alcohol use disorder. CONCLUSIONS The sphingolipids-mediated neuroinflammation plays an important role in the development of alcohol use disorder. This review proposes a potential approach to prevent and treat alcohol use disorders by manipulating sphingolipid metabolism.
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Affiliation(s)
- XiaoJian Cui
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, China; Department of Pathogenic Biology, School of Basic Medical Science, Xinxiang Medical University, Xinxiang, China
| | - JiaZhen Li
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, China
| | - ChuanSheng Wang
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, China
| | - Hafiz Muhammad Ishaq
- Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan, Pakistan
| | - RuiLin Zhang
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, China.
| | - Fan Yang
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Key Laboratory of Biological Psychiatry, Xinxiang Medical University, Xinxiang, China; Department of Pathogenic Biology, School of Basic Medical Science, Xinxiang Medical University, Xinxiang, China.
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Japarin RA, Harun N, Hassan Z, Müller CP. The dopamine D1 receptor antagonist SCH-23390 blocks the acquisition, but not expression of mitragynine-induced conditioned place preference in rats. Behav Brain Res 2023; 453:114638. [PMID: 37619769 DOI: 10.1016/j.bbr.2023.114638] [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: 07/02/2023] [Revised: 08/21/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
Mitragynine (MG) is the primary active constituent of Mitragyna speciosa Korth (kratom), a psychoactive Southeast Asian plant with potential therapeutic use. Numerous studies support roles of dopaminergic system in drug reward. However, the involvement of the dopaminergic system in mediating MG reward and drug-seeking is poorly understood. Using conditioned place preference (CPP) paradigm, the present study aims to evaluate the roles of the dopamine (DA) D1 receptor in the acquisition and expression of MG-induced CPP in rats. The effects of SCH-23390, a selective DA D1 receptor antagonist, on the acquisition of MG-induced CPP were first investigated. Rats were pre-treated systemically with SCH-23390 (0, 0.1 and 0.3 mg/kg, i.p.) prior to MG (10 mg/kg) conditioning sessions. Next, we tested the effects of the DA D1 receptor antagonist on the expression of MG-induced CPP. Furthermore, the effects of a MG-priming dose (5 mg/kg) on the reinstatement of extinguished CPP were tested. The results showed that SCH-23390 dose-dependently suppressed the acquisition of a MG-induced CPP. In contrast, SCH-23390 had no effect on the expression of a MG-induced CPP. The findings of this study suggested a crucial role of the DA D1 receptor in the acquisition, but not the expression of the rewarding effects of MG in a CPP test. Furthermore, blockade of the D1-like receptor during conditioning did not prevent MG priming effects on CPP reinstatement test, suggesting no role for the DA D1 receptor in reinstatement sensitivity.
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Affiliation(s)
- Rima Atria Japarin
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia
| | - Norsyifa Harun
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia.
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia
| | - Christian P Müller
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia; Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany
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8
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Müller CP, Schumann G, Rehm J, Kornhuber J, Lenz B. Self-management with alcohol over lifespan: psychological mechanisms, neurobiological underpinnings, and risk assessment. Mol Psychiatry 2023; 28:2683-2696. [PMID: 37117460 PMCID: PMC10615763 DOI: 10.1038/s41380-023-02074-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/30/2023]
Abstract
Self-management includes all behavioural measures and cognitive activities aimed at coping with challenges arising throughout the lifespan. While virtually all of these challenges can be met without pharmacological means, alcohol consumption has long been instrumentalized as a supporting tool to help coping with problems arising selectively at adolescence, adulthood, and ageing. Here, we present, to our knowledge, the first systematic review of alcohol instrumentalization throughout lifespan. We searched MEDLINE, Google Scholar, PsycINFO and CINAHL (from Jan, 1990, to Dec, 2022) and analysed consumption patterns, goals and potential neurobiological mechanisms. Evidence shows a regular non-addictive use of alcohol to self-manage developmental issues during adolescence, adulthood, and ageing. Alcohol is selectively used to overcome problems arising from dysfunctional personality traits, which manifest in adolescence. A large range of psychiatric disorders gives rise to alcohol use for the self-management of distinct symptoms starting mainly in adulthood. We identify those neuropharmacological effects of alcohol that selectively serve self-management under specific conditions. Finally, we discuss the adverse effects and associated risks that arise from the use of alcohol for self-management. Even well-controlled alcohol use adversely impacts health. Based on these findings, we suggest the implementation of an entirely new view. Health policy action may actively embrace both sides of the phenomenon through a personalized informed use that allows for harm-controlled self-management with alcohol.
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Affiliation(s)
- Christian P Müller
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany.
- Centre for Drug Research, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia.
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
| | - Gunter Schumann
- The Centre for Population Neuroscience and Stratified Medicine (PONS), ISTBI, Fudan University, Shanghai, China
- PONS Centre, Charite Mental Health, Department of Psychiatry and Psychotherapie, CCM, Charite Universitaetsmedizin Berlin, Berlin, Germany
| | - Jürgen Rehm
- Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, ON, M5S 2S1, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, M5T 3M7, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, M5T 1R8, Canada
- Center for Interdisciplinary Addiction Research (ZIS), Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf (UKE), Martinistraße 52, 20246, Hamburg, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Bernd Lenz
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, 68159, Mannheim, Germany
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Wang L, Song L, Ma J, Wang H, Li Y, Huang D. Alcohol induces apoptosis and autophagy in microglia BV-2 cells. Food Chem Toxicol 2023; 177:113849. [PMID: 37217066 DOI: 10.1016/j.fct.2023.113849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/06/2023] [Accepted: 05/19/2023] [Indexed: 05/24/2023]
Abstract
Alcohol (ethanol) has proven to be toxic to nearly all organs, with the brain being one of the principal targets. As one of the important components of the brain's blood-brain barrier (BBB) and central nervous system, the state of microglia may be associated with some symptoms of alcohol intoxication. In the present study, microglia BV-2 cells were exposed to various concentrations of alcohol for 3 or 12 h, imitating different stages of drunkenness after alcohol use, respectively. From the perspective of the autophagy-phagocytosis axis, our findings show that alcohol alters autophagy levels or promotes apoptosis in BV-2 cells. The current study adds to the understanding of the action mechanisms of alcohol neurotoxicity. We anticipate that this study will increase public awareness of alcohol's negative effects and contribute to the creation of novel alcoholism treatment approaches.
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Affiliation(s)
- Luchen Wang
- State Key Laboratory of Food Science and Technology, International Institute of Food Innovation, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, 330047, China
| | - Lingmin Song
- State Key Laboratory of Food Science and Technology, International Institute of Food Innovation, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, 330047, China
| | - Juan Ma
- State Key Laboratory of Food Science and Technology, International Institute of Food Innovation, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, 330047, China
| | - Huimei Wang
- State Key Laboratory of Food Science and Technology, International Institute of Food Innovation, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, 330047, China
| | - Yingzhi Li
- State Key Laboratory of Food Science and Technology, International Institute of Food Innovation, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, 330047, China
| | - Danfei Huang
- State Key Laboratory of Food Science and Technology, International Institute of Food Innovation, China-Canada Joint Laboratory of Food Science and Technology (Nanchang), Key Laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, 235 Nanjing East Road, Nanchang, 330047, China.
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10
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Zoicas I, Mühle C, Schumacher F, Kleuser B, Kornhuber J. Development of Comorbid Depression after Social Fear Conditioning in Mice and Its Effects on Brain Sphingolipid Metabolism. Cells 2023; 12:1355. [PMID: 37408189 DOI: 10.3390/cells12101355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/18/2023] [Accepted: 05/05/2023] [Indexed: 07/07/2023] Open
Abstract
Currently, there are no animal models for studying both specific social fear and social fear with comorbidities. Here, we investigated whether social fear conditioning (SFC), an animal model with face, predictive and construct validity for social anxiety disorder (SAD), leads to the development of comorbidities at a later stage over the course of the disease and how this affects the brain sphingolipid metabolism. SFC altered both the emotional behavior and the brain sphingolipid metabolism in a time-point-dependent manner. While social fear was not accompanied by changes in non-social anxiety-like and depressive-like behavior for at least two to three weeks, a comorbid depressive-like behavior developed five weeks after SFC. These different pathologies were accompanied by different alterations in the brain sphingolipid metabolism. Specific social fear was accompanied by increased activity of ceramidases in the ventral hippocampus and ventral mesencephalon and by small changes in sphingolipid levels in the dorsal hippocampus. Social fear with comorbid depression, however, altered the activity of sphingomyelinases and ceramidases as well as the sphingolipid levels and sphingolipid ratios in most of the investigated brain regions. This suggests that changes in the brain sphingolipid metabolism might be related to the short- and long-term pathophysiology of SAD.
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Affiliation(s)
- Iulia Zoicas
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Fabian Schumacher
- Institute of Pharmacy, Freie Universität Berlin, 14195 Berlin, Germany
| | - Burkhard Kleuser
- Institute of Pharmacy, Freie Universität Berlin, 14195 Berlin, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
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11
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Chestnykh D, Graßl F, Pfeifer C, Dülk J, Ebner C, Walters M, von Hörsten S, Kornhuber J, Kalinichenko LS, Heinrich M, Müller CP. Behavioural effects of APH199, a selective dopamine D4 receptor agonist, in animal models. Psychopharmacology (Berl) 2023; 240:1011-1031. [PMID: 36854793 PMCID: PMC10006056 DOI: 10.1007/s00213-023-06347-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 02/21/2023] [Indexed: 03/02/2023]
Abstract
RATIONALE The dopamine D4 receptors (DRD4) play a key role in numerous brain functions and are involved in the pathogenesis of various psychiatric disorders. DRD4 ligands have been shown to moderate anxiety, reward and depression-like behaviours, and cognitive impairments. Despite a series of promising but ambiguous findings, the therapeutic advantages of DRD4 stimulation remain elusive. OBJECTIVES The investigation focused on the behavioural effects of the recently developed DRD4 agonist, APH199, to evaluate its impact on anxiety, anhedonia, behavioural despair, establishment and retrieval of alcohol reinforcement, and amphetamine (AMPH)-induced symptoms. METHODS Male C57BL/6 J mice and Sprague-Dawley rats were examined in five independent experiments. We assessed APH199 (0.1-5 mg/kg, i.p.) effects on a broad range of behavioural parameters in the open field (OF) test, conditioned place preference test (CPP), elevated plus maze (EPM), light-dark box (LDB), novelty suppressed feeding (NSF), forced swim test (FST), sucrose preference test (SPT), AMPH-induced hyperlocomotion test (AIH), and prepulse inhibition (PPI) of the acoustic startle response in AMPH-sensitized rats. RESULTS APH199 caused mild and sporadic anxiolytic and antidepressant effects in EPM and FST, but no remarkable impact on behaviour in other tests in mice. However, we found a significant increase in AMPH-induced hyperactivity, suggesting an exaggeration of the psychotic-like responses in the AMPH-sensitized rats. CONCLUSIONS Our data challenged the hypothesis of the therapeutic benefits of DRD4 agonists, pointing out a possible aggravation of psychosis. We suggest a need for further preclinical studies to ensure the safety of antipsychotics with DRD4 stimulating properties.
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Affiliation(s)
- Daria Chestnykh
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Fabian Graßl
- Department of Chemistry and Pharmacy, Friedrich-Alexander-University of Erlangen-Nuremberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Canice Pfeifer
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Jonas Dülk
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Chiara Ebner
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Mona Walters
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Stephan von Hörsten
- Department of Experimental Therapy, Preclinical Experimental Center, Friedrich-Alexander-University of Erlangen-Nuremberg, Palmsanlage 5, 91054, Erlangen, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Liubov S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Markus Heinrich
- Department of Chemistry and Pharmacy, Friedrich-Alexander-University of Erlangen-Nuremberg, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany.
- Centre for Drug Research, University Sains Malaysia, Penang, Minden, Malaysia.
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12
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Lim JR, Chae CW, Park JY, Jung YH, Yoon JH, Kim MJ, Lee HJ, Choi GE, Han HJ. Ethanol-induced ceramide production causes neuronal apoptosis by increasing MCL-1S-mediated ER-mitochondria contacts. Neurobiol Dis 2023; 177:106009. [PMID: 36689912 DOI: 10.1016/j.nbd.2023.106009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/06/2023] [Accepted: 01/19/2023] [Indexed: 01/21/2023] Open
Abstract
Heavy alcohol consumption causes neuronal cell death and cognitive impairment. Neuronal cell death induced by ethanol may result from increased production of the sphingolipid metabolite ceramide. However, the molecular mechanisms of neuronal cell death caused by ethanol-induced ceramide production have not been elucidated. Therefore, we investigated the mechanism through which ethanol-induced ceramide production causes neuronal cell apoptosis using human induced-pluripotent stem cell-derived neurons and SH-SY5Y cells and identified the effects of ceramide on memory deficits in C57BL/6 mice. First, we found that ethanol-induced ceramide production was decreased by inhibition of the de novo synthesis pathway, mediated by serine palmitoyltransferase (SPT). The associated alterations of the molecules related to the ceramide pathway suggest that the elevated level of ceramide activated protein phosphatase 1 (PP1), which inhibited the nuclear translocation of serine/arginine-rich splicing factor 1 (SRSF1). This led to aberrant splicing of myeloid cell leukemia 1 (MCL-1) pre-mRNA, which upregulated MCL-1S expression. Our results demonstrated that the interaction of MCL-1S with the inositol 1, 4, 5-trisphosphate receptor (IP3R) increases calcium release from the endoplasmic reticulum (ER) and then activated ER-bound inverted formin 2 (INF2). In addition, we discovered that F-actin polymerization through INF2 activation promoted ER-mitochondria contacts, which induced mitochondrial calcium influx and mitochondrial reactive oxygen species (mtROS) production. Markedly, MCL-1S silencing decreased mitochondria-associated ER membrane (MAM) formation and prevented mitochondrial calcium influx and mtROS accumulation, by inhibiting INF2-dependent actin polymerization interacting with mitochondria. Furthermore, the inhibition of ceramide production in ethanol-fed mice reduced MCL-1S expression, neuronal cell death, and cognitive impairment. In conclusion, we suggest that ethanol-induced ceramide production may lead to mitochondrial calcium overload through MCL-1S-mediated INF2 activation-dependent MAM formation, which promotes neuronal apoptosis.
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Affiliation(s)
- Jae Ryong Lim
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Chang Woo Chae
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Ji Yong Park
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Young Hyun Jung
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jee Hyeon Yoon
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Min Jeong Kim
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyun Jik Lee
- Laboratory of Veterinary Physiology, College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea; Institute for Stem Cell & Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Gee Euhn Choi
- Laboratory of Veterinary Biochemistry, College of Veterinary Medicine, Jeju National University, Jeju, 63243, Republic of Korea
| | - Ho Jae Han
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, 08826, Republic of Korea.
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13
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Kalinichenko LS, Mühle C, Jia T, Anderheiden F, Datz M, Eberle AL, Eulenburg V, Granzow J, Hofer M, Hohenschild J, Huber SE, Kämpf S, Kogias G, Lacatusu L, Lugmair C, Taku SM, Meixner D, Sembritzki NK, Praetner M, Rhein C, Sauer C, Scholz J, Ulrich F, Valenta F, Weigand E, Werner M, Tay N, Mc Veigh CJ, Haase J, Wang AL, Abdel-Hafiz L, Huston JP, Smaga I, Frankowska M, Filip M, Lourdusamy A, Kirchner P, Ekici AB, Marx LM, Suresh NP, Frischknecht R, Fejtova A, Saied EM, Arenz C, Bozec A, Wank I, Kreitz S, Hess A, Bäuerle T, Ledesma MD, Mitroi DN, Miranda AM, Oliveira TG, Lenz B, Schumann G, Kornhuber J, Müller CP. Adult alcohol drinking and emotional tone are mediated by neutral sphingomyelinase during development in males. Cereb Cortex 2023; 33:844-864. [PMID: 35296883 DOI: 10.1093/cercor/bhac106] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/21/2022] [Accepted: 02/24/2022] [Indexed: 02/03/2023] Open
Abstract
Alcohol use, abuse, and addiction, and resulting health hazards are highly sex-dependent with unknown mechanisms. Previously, strong links between the SMPD3 gene and its coded protein neutral sphingomyelinase 2 (NSM) and alcohol abuse, emotional behavior, and bone defects were discovered and multiple mechanisms were identified for females. Here we report strong sex-dimorphisms for central, but not for peripheral mechanisms of NSM action in mouse models. Reduced NSM activity resulted in enhanced alcohol consumption in males, but delayed conditioned rewarding effects. It enhanced the acute dopamine response to alcohol, but decreased monoaminergic systems adaptations to chronic alcohol. Reduced NSM activity increased depression- and anxiety-like behavior, but was not involved in alcohol use for the self-management of the emotional state. Constitutively reduced NSM activity impaired structural development in the brain and enhanced lipidomic sensitivity to chronic alcohol. While the central effects were mostly opposite to NSM function in females, similar roles in bone-mediated osteocalcin release and its effects on alcohol drinking and emotional behavior were observed. These findings support the view that the NSM and multiple downstream mechanism may be a source of the sex-differences in alcohol use and emotional behavior.
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Affiliation(s)
- Liubov S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Tianye Jia
- The Centre for Population Neuroscience and Stratified Medicine (PONS), ISTBI, Fudan University, Shanghai 200433, China.,PONS Centre and SGDP Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AB, UK
| | - Felix Anderheiden
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Maria Datz
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Anna-Lisa Eberle
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Volker Eulenburg
- Department for Anesthesiology and Intensive Care, Faculty of Medicine, University of Leipzig, Leipzig 04103, Germany
| | - Jonas Granzow
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Martin Hofer
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Julia Hohenschild
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Sabine E Huber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Stefanie Kämpf
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Georgios Kogias
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Laura Lacatusu
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Charlotte Lugmair
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Stephen Mbu Taku
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Doris Meixner
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Nina-Kristin Sembritzki
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Marc Praetner
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany.,Biomedical Center, Institute of Cardiovascular Physiology and Pathophysiology, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich 82152, Germany
| | - Cosima Rhein
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany.,Department of Psychosomatic Medicine and Psychotherapy, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen 91054, Germany
| | - Christina Sauer
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Jessica Scholz
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Franziska Ulrich
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Florian Valenta
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Esther Weigand
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Markus Werner
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Nicole Tay
- The Centre for Population Neuroscience and Stratified Medicine (PONS), ISTBI, Fudan University, Shanghai 200433, China
| | - Conor J Mc Veigh
- School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Dublin 4, Ireland
| | - Jana Haase
- School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Dublin 4, Ireland
| | - An-Li Wang
- Center for Behavioral Neuroscience, Institute of Experimental Psychology, University of Düsseldorf, Düsseldorf 40225, Germany
| | - Laila Abdel-Hafiz
- Center for Behavioral Neuroscience, Institute of Experimental Psychology, University of Düsseldorf, Düsseldorf 40225, Germany
| | - Joseph P Huston
- Center for Behavioral Neuroscience, Institute of Experimental Psychology, University of Düsseldorf, Düsseldorf 40225, Germany
| | - Irena Smaga
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, Kraków 31-343, Poland
| | - Malgorzata Frankowska
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, Kraków 31-343, Poland
| | - Malgorzata Filip
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, Kraków 31-343, Poland
| | - Anbarasu Lourdusamy
- Division of Child Health, Obstetrics and Gynaecology, School of Medicine, University of Nottingham, Nottingham NG7 2UH, UK
| | - Philipp Kirchner
- Institute of Human Genetics, Friedrich Alexander University of Erlangen-Nuremberg (FAU), Erlangen 91054, Germany
| | - Arif B Ekici
- Institute of Human Genetics, Friedrich Alexander University of Erlangen-Nuremberg (FAU), Erlangen 91054, Germany
| | - Lena M Marx
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Neeraja Puliparambil Suresh
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Renato Frischknecht
- Department of Biology, Animal Physiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen 91058, Germany
| | - Anna Fejtova
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Essa M Saied
- Institute for Chemistry, Humboldt University, Berlin 12489, Germany.,Chemistry Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Christoph Arenz
- Institute for Chemistry, Humboldt University, Berlin 12489, Germany
| | - Aline Bozec
- Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen 91054, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Erlangen 91054, Germany
| | - Isabel Wank
- Department of Experimental and Clinical Pharmacology and Toxicology, Emil Fischer Center, Friedrich-Alexander-University of Erlangen-Nuremberg (FAU), Erlangen, Germany
| | - Silke Kreitz
- Department of Experimental and Clinical Pharmacology and Toxicology, Emil Fischer Center, Friedrich-Alexander-University of Erlangen-Nuremberg (FAU), Erlangen, Germany
| | - Andreas Hess
- Department of Experimental and Clinical Pharmacology and Toxicology, Emil Fischer Center, Friedrich-Alexander-University of Erlangen-Nuremberg (FAU), Erlangen, Germany
| | - Tobias Bäuerle
- Preclinical Imaging Platform Erlangen, Institute of Radiology, University Hospital Erlangen, Erlangen 91054, Germany
| | | | - Daniel N Mitroi
- Centro Biologia Molecular Severo Ochoa (CSIC-UAM), Madrid 28040, Spain
| | - André M Miranda
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus Gualtar, Braga 4710-057, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães 4710-057, Portugal
| | - Tiago Gil Oliveira
- School of Medicine, Life and Health Sciences Research Institute (ICVS), University of Minho, Campus Gualtar, Braga 4710-057, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães 4710-057, Portugal
| | - Bernd Lenz
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany.,Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim, Heidelberg University, J5, Mannheim 68159, Germany
| | - Gunter Schumann
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany.,The Centre for Population Neuroscience and Stratified Medicine (PONS), ISTBI, Fudan University, Shanghai 200433, China.,Department of Psychiatry and Psychotherapie, CCM, PONS Centre, Charite Mental Health, Charite Universitaetsmedizin Berlin, Berlin 10117, Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nürnberg, Schwabachanlage 6, Erlangen 91054, Germany.,Centre for Drug Research, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
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14
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Müller CP. Serotonin and Consciousness-A Reappraisal. Behav Brain Res 2022; 432:113970. [PMID: 35716774 DOI: 10.1016/j.bbr.2022.113970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/01/2022] [Accepted: 06/06/2022] [Indexed: 11/02/2022]
Abstract
The serotonergic system of the brain is a major modulator of behaviour. Here we describe a re-appraisal of its function for consciousness based on anatomical, functional and pharmacological data. For a better understanding, the current model of consciousness is expanded. Two parallel streams of conscious flow are distinguished. A flow of conscious content and an affective consciousness flow. While conscious content flow has its functional equivalent in the activity of higher cortico-cortical and cortico-thalamic networks, affective conscious flow originates in segregated deeper brain structures for single emotions. It is hypothesized that single emotional networks converge on serotonergic and other modulatory transmitter neurons in the brainstem where a bound percept of an affective conscious flow is formed. This is then dispersed to cortical and thalamic networks, where it is time locked with conscious content flow at the level of these networks. Serotonin acts in concert with other modulatory systems of the brain stem with some possible specialization on single emotions. Together, these systems signal a bound percept of affective conscious flow. Dysfunctions in the serotonergic system may not only give rise to behavioural and somatic symptoms, but also essentially affect the coupling of conscious affective flow with conscious content flow, leading to the affect-stained subjective side of mental disorders like anxiety, depression, or schizophrenia. The present model is an attempt to integrate the growing insights into serotonergic system function. However, it is acknowledged, that several key claims are still at a heuristic level that need further empirical support.
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Affiliation(s)
- Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Germany; Centre for Drug Research, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia.
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15
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Acid Sphingomyelinase Is a Modulator of Contextual Fear. Int J Mol Sci 2022; 23:ijms23063398. [PMID: 35328819 PMCID: PMC8954852 DOI: 10.3390/ijms23063398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/14/2022] [Accepted: 03/18/2022] [Indexed: 11/23/2022] Open
Abstract
Acid sphingomyelinase (ASM) regulates a variety of physiological processes and plays an important role in emotional behavior. The role of ASM in fear-related behavior has not been investigated so far. Using transgenic mice overexpressing ASM (ASMtg) and ASM deficient mice, we studied whether ASM regulates fear learning and expression of cued and contextual fear in a classical fear conditioning paradigm, a model used to investigate specific attributes of post-traumatic stress disorder (PTSD). We show that ASM does not affect fear learning as both ASMtg and ASM deficient mice display unaltered fear conditioning when compared to wild-type littermates. However, ASM regulates the expression of contextual fear in a sex-specific manner. While ASM overexpression enhances the expression of contextual fear in both male and female mice, ASM deficiency reduces the expression of contextual fear specifically in male mice. The expression of cued fear, however, is not regulated by ASM as ASMtg and ASM deficient mice display similar tone-elicited freezing levels. This study shows that ASM modulates the expression of contextual fear but not of cued fear in a sex-specific manner and adds a novel piece of information regarding the involvement of ASM in hippocampal-dependent aversive memory.
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Sphingolipid control of cognitive functions in health and disease. Prog Lipid Res 2022; 86:101162. [DOI: 10.1016/j.plipres.2022.101162] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/10/2022] [Accepted: 03/12/2022] [Indexed: 12/14/2022]
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17
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Maccari ME, Fuchs S, Kury P, Andrieux G, Völkl S, Bengsch B, Lorenz MR, Heeg M, Rohr J, Jägle S, Castro CN, Groß M, Warthorst U, König C, Fuchs I, Speckmann C, Thalhammer J, Kapp FG, Seidel MG, Dückers G, Schönberger S, Schütz C, Führer M, Kobbe R, Holzinger D, Klemann C, Smisek P, Owens S, Horneff G, Kolb R, Naumann-Bartsch N, Miano M, Staniek J, Rizzi M, Kalina T, Schneider P, Erxleben A, Backofen R, Ekici A, Niemeyer CM, Warnatz K, Grimbacher B, Eibel H, Mackensen A, Frei AP, Schwarz K, Boerries M, Ehl S, Rensing-Ehl A. A distinct CD38+CD45RA+ population of CD4+, CD8+, and double-negative T cells is controlled by FAS. J Exp Med 2021; 218:211525. [PMID: 33170215 PMCID: PMC7658692 DOI: 10.1084/jem.20192191] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 08/06/2020] [Accepted: 10/09/2020] [Indexed: 12/16/2022] Open
Abstract
The identification and characterization of rare immune cell populations in humans can be facilitated by their growth advantage in the context of specific genetic diseases. Here, we use autoimmune lymphoproliferative syndrome to identify a population of FAS-controlled TCRαβ+ T cells. They include CD4+, CD8+, and double-negative T cells and can be defined by a CD38+CD45RA+T-BET− expression pattern. These unconventional T cells are present in healthy individuals, are generated before birth, are enriched in lymphoid tissue, and do not expand during acute viral infection. They are characterized by a unique molecular signature that is unambiguously different from other known T cell differentiation subsets and independent of CD4 or CD8 expression. Functionally, FAS-controlled T cells represent highly proliferative, noncytotoxic T cells with an IL-10 cytokine bias. Mechanistically, regulation of this physiological population is mediated by FAS and CTLA4 signaling, and its survival is enhanced by mTOR and STAT3 signals. Genetic alterations in these pathways result in expansion of FAS-controlled T cells, which can cause significant lymphoproliferative disease.
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Affiliation(s)
- Maria Elena Maccari
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sebastian Fuchs
- Roche Pharma Research and Early Development, Immunology, Infectious Diseases and Ophthalmology (I2O) Discovery and Translational Area, Roche Innovation Center Basel, Basel, Switzerland
| | - Patrick Kury
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Geoffroy Andrieux
- Institute of Medical Bioinformatics and Systems Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,German Cancer Consortium, Freiburg, and German Cancer Research Center, Heidelberg, Germany
| | - Simon Völkl
- Department of Internal Medicine 5-Hematology/Oncology, University of Erlangen, Erlangen, Germany
| | - Bertram Bengsch
- Department of Medicine II, Gastroenterology, Hepatology, Endocrinology, and Infectious Diseases, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Integrative Biological Signaling Studies, Albert-Ludwigs University, Freiburg, Germany.,Bioss Centre for Biological Signalling Studies, University of Freiburg, Freiburg, Germany
| | - Myriam Ricarda Lorenz
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany.,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Wuerttemberg-Hessen, Ulm, Germany
| | - Maximilian Heeg
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jan Rohr
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sabine Jägle
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Carla N Castro
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Miriam Groß
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Ursula Warthorst
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Christoph König
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Ilka Fuchs
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Carsten Speckmann
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Julian Thalhammer
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Friedrich G Kapp
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Markus G Seidel
- Division of Pediatric Hematology-Oncology, Department of Pediatrics and Adolescent Medicine, Medical University Graz, Graz, Austria
| | - Gregor Dückers
- Helios Kliniken Krefeld, Children's Hospital, Krefeld, Germany
| | - Stefan Schönberger
- University of Bonn, Department of Paediatric Haematology and Oncology, University Children's Hospital Bonn, Germany
| | - Catharina Schütz
- Department of Pediatrics, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Marita Führer
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany.,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Wuerttemberg-Hessen, Ulm, Germany
| | - Robin Kobbe
- First Department of Medicine, Division of Infectious Diseases, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Dirk Holzinger
- Department of Pediatric Hematology-Oncology, University of Duisburg-Essen, Essen, Germany
| | - Christian Klemann
- Department of Pediatric Pulmonology, Allergy and Neonatology, Hannover Medical School, Hannover, Germany
| | - Petr Smisek
- Department of Pediatric Hematology and Oncology, University Hospital Motol and Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Stephen Owens
- Great North Children's Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.,Institute of Health and Society, Newcastle University, Newcastle upon Tyne, UK
| | - Gerd Horneff
- Department of General Paediatrics, Clinic Sankt Augustin, Sankt Augustin, Germany.,Department of Pediatric and Adolescent Medicine, University Hospital of Cologne, Cologne, Germany
| | - Reinhard Kolb
- Department of General Paediatrics, Clinic Oldenburg, Oldenburg, Germany
| | - Nora Naumann-Bartsch
- Department of Pediatrics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Maurizio Miano
- Haematology Unit, Istituto di Ricovero e Cura a Carattere Scientifico Istituto Giannina Gaslini, Genoa, Italy
| | - Julian Staniek
- Faculty of Biology, University of Freiburg, Freiburg, Germany.,Department of Rheumatology and Clinical Immunology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Marta Rizzi
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Department of Rheumatology and Clinical Immunology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Tomas Kalina
- Childhood Leukemia Investigation Prague, Department of Pediatric Hematology and Oncology, Second Medical School, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Pascal Schneider
- Department of Biochemistry, University of Lausanne, Epalinges, Switzerland
| | - Anika Erxleben
- Bioinformatics, Institute for Computer Science, Faculty of Engineering, University of Freiburg, Germany
| | - Rolf Backofen
- Bioinformatics, Institute for Computer Science, Faculty of Engineering, University of Freiburg, Germany
| | - Arif Ekici
- Institute of Human Genetics, University of Erlangen, Erlangen, Germany
| | - Charlotte M Niemeyer
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Klaus Warnatz
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Bodo Grimbacher
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Integrative Biological Signaling Studies, Albert-Ludwigs University, Freiburg, Germany.,German Center for Infection Research, Satellite Center, Freiburg, Germany.,Resolving Infection Susceptibility Cluster of Excellence 2155, Hanover Medical School, Satellite Center, Freiburg, Germany
| | - Hermann Eibel
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Andreas Mackensen
- Department of Internal Medicine 5-Hematology/Oncology, University of Erlangen, Erlangen, Germany
| | - Andreas Philipp Frei
- Roche Pharma Research and Early Development, Immunology, Infectious Diseases and Ophthalmology (I2O) Discovery and Translational Area, Roche Innovation Center Basel, Basel, Switzerland
| | - Klaus Schwarz
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany.,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Wuerttemberg-Hessen, Ulm, Germany
| | - Melanie Boerries
- Institute of Medical Bioinformatics and Systems Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,German Cancer Consortium, Freiburg, and German Cancer Research Center, Heidelberg, Germany
| | - Stephan Ehl
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Integrative Biological Signaling Studies, Albert-Ludwigs University, Freiburg, Germany
| | - Anne Rensing-Ehl
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Araujo I, Henriksen A, Gamsby J, Gulick D. Impact of Alcohol Abuse on Susceptibility to Rare Neurodegenerative Diseases. Front Mol Biosci 2021; 8:643273. [PMID: 34179073 PMCID: PMC8220155 DOI: 10.3389/fmolb.2021.643273] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 01/14/2021] [Indexed: 12/22/2022] Open
Abstract
Despite the prevalence and well-recognized adverse effects of prenatal alcohol exposure and alcohol use disorder in the causation of numerous diseases, their potential roles in the etiology of neurodegenerative diseases remain poorly characterized. This is especially true of the rare neurodegenerative diseases, for which small population sizes make it difficult to conduct broad studies of specific etiological factors. Nonetheless, alcohol has potent and long-lasting effects on neurodegenerative substrates, at both the cellular and systems levels. This review highlights the general effects of alcohol in the brain that contribute to neurodegeneration across diseases, and then focuses on specific diseases in which alcohol exposure is likely to play a major role. These specific diseases include dementias (alcohol-induced, frontotemporal, and Korsakoff syndrome), ataxias (cerebellar and frontal), and Niemann-Pick disease (primarily a Type B variant and Type C). We conclude that there is ample evidence to support a role of alcohol abuse in the etiology of these diseases, but more work is needed to identify the primary mechanisms of alcohol's effects.
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Affiliation(s)
- Iskra Araujo
- Gulick Laboratory, Byrd Neuroscience Institute, University of South Florida Health, Tampa, FL, United States
| | - Amy Henriksen
- Gulick Laboratory, Byrd Neuroscience Institute, University of South Florida Health, Tampa, FL, United States
| | - Joshua Gamsby
- Gulick Laboratory, Byrd Neuroscience Institute, University of South Florida Health, Tampa, FL, United States
- Department of Molecular Medicine, Morsani College of Medicine, University of South FL, Tampa, FL, United States
| | - Danielle Gulick
- Gulick Laboratory, Byrd Neuroscience Institute, University of South Florida Health, Tampa, FL, United States
- Department of Molecular Medicine, Morsani College of Medicine, University of South FL, Tampa, FL, United States
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19
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Frankowska M, Jesus FM, Mühle C, Pacheco JV, Maior RS, Sadakierska‐Chudy A, Smaga I, Piechota M, Kalinichenko LS, Gulbins E, Kornhuber J, Filip M, Müller CP, Barros M. Cocaine attenuates acid sphingomyelinase activity during establishment of addiction-related behavior-A translational study in rats and monkeys. Addict Biol 2021; 26:e12955. [PMID: 32761719 DOI: 10.1111/adb.12955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/17/2020] [Accepted: 07/21/2020] [Indexed: 12/12/2022]
Abstract
Cocaine addiction is a severe psychiatric condition for which currently no effective pharmacotherapy is available. Brain mechanisms for the establishment of addiction-related behaviors are still not fully understood, and specific biomarkers for cocaine use are not available. Sphingolipids are major membrane lipids, which shape neuronal membrane composition and dynamics in the brain. Here, we investigated how chronic cocaine exposure during establishment of addiction-related behaviors affects the activity of the sphingolipid rheostat controlling enzymes in the brain of rats. As we detected specific effects on several enzymes in the brain, we tested whether the activity of selected enzymes in the blood may serve as potential biomarker for cocaine exposure in non-human primates (Callithrix penicillata). We found that intravenous cocaine self-administration led to a reduced mRNA expression of Cers1, Degs1 and Degs2, and Smpd1 in the prefrontal cortex of rats, as well as a reduction of Cers4 expression in the striatum. These effects reversed after 10 days of abstinence. Monkeys showed a robust cocaine-induced place preference (CPP). This coincided with a reduction in blood acid sphingomyelinase (ASM) activity after CPP establishment. This effect normalized after 15 days of abstinence. Altogether, these findings suggest that the establishment of cocaine addiction-related behaviors coincides with changes in the activity of sphingolipid controlling enzymes. In particular, blood ASM levels may serve as a translational biomarker for recent cocaine exposure.
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Affiliation(s)
- Małgorzata Frankowska
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences Maj Institute of Pharmacology Krakow Poland
| | - Fernando M. Jesus
- Department of Pharmacy, School of Health Sciences University of Brasilia Brasilia Brazil
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg (FAU) Erlangen Germany
| | - Jéssica V.N. Pacheco
- Department of Pharmacy, School of Health Sciences University of Brasilia Brasilia Brazil
| | - Rafael S. Maior
- Department of Physiological Sciences University of Brasília Brasilia Brazil
- Primate Center Institute of Biology, University of Brasilia Brasilia Brazil
| | - Anna Sadakierska‐Chudy
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences Maj Institute of Pharmacology Krakow Poland
| | - Irena Smaga
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences Maj Institute of Pharmacology Krakow Poland
| | - Marcin Piechota
- Department of Molecular Neuropharmacology, Polish Academy of Sciences Maj Institute of Pharmacology Krakow Poland
| | - Liubov S. Kalinichenko
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg (FAU) Erlangen Germany
| | - Erich Gulbins
- Department of Molecular Biology University of Duisburg‐Essen Essen Germany
- Department of Surgery University of Cincinnati Cincinnati Ohio USA
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg (FAU) Erlangen Germany
| | - Małgorzata Filip
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences Maj Institute of Pharmacology Krakow Poland
| | - Christian P. Müller
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg (FAU) Erlangen Germany
| | - Marilia Barros
- Department of Pharmacy, School of Health Sciences University of Brasilia Brasilia Brazil
- Primate Center Institute of Biology, University of Brasilia Brasilia Brazil
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20
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Sisa Caiza I, Vega R. Prevalence of depression in older adults living in Ecuador and contributing factors: a population-based study. Rev Salud Publica (Bogota) 2021. [DOI: 10.15446/rsap.v23n2.85965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objective To estimate the prevalence of depression in the older population of Ecuador and explore the independent associations of key socio-demographic and health-related factors with moderate/severe depression.Methods A cross-sectional study was conducted using a national database. The outcome variable was estimated using the Short Form of the Geriatric Depression Scale. A cut-value of >9 was used to ascertain the outcome variable. We conducted bivariate and logistic regression analysis.Results The study sample consisted of 5 235 subjects, with a median age of 70 years, 53.5% were female, and 44.9% of the sample was living in rural areas. Our study found a prevalence of any depression of 35.4%. Individuals were classified as having mild depression (1 239, 23.7%), moderate depression (457, 8.7%), and severe depression (156, ~3%). The prevalence of moderate/severe depression was of 11.7%. Among socio-demographic factors, no education (OR=3.69 [95% CI: 1.35-11.94]), Afro-Ecuadorian race (OR= 2.1 [1.03-4.06]), living alone (OR=2.37 [1.67-3.31]), perception of insufficient income (OR= 3.56 [2.14-6.38]), and suffering physical abuse (OR=2.33 [1.59-3.36]) remained statistically significant. Among health-related factors, drinking alcohol (OR=0.27 [0.08-0.66]), exercise (OR=1.68 [1.24-2.31]), incontinence (OR=2.00 [1.54-2.59]), lower perception of hearing (OR=2.19 [1.41-3.32]), cancer (OR=1.90 [1.00-3.51]), and being functionally dependent (OR=1.59 [1.22-2.08]) remained statistically significant.Conclusions Our investigation brings light to an important public health problem in Ecuador. Addressing depression and its contributing factors may help to improve the quality of life and long-term health outcomes in Ecuador’s growing older population.
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21
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Müller CP, Mühle C, Kornhuber J, Lenz B. Sex‐Dependent Alcohol Instrumentalization Goals in Non‐Addicted Alcohol Consumers versus Patients with Alcohol Use Disorder: Longitudinal Change and Outcome Prediction. Alcohol Clin Exp Res 2021; 45:577-586. [DOI: 10.1111/acer.14550] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 12/26/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Christian P. Müller
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Germany
| | - Bernd Lenz
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Germany
- Department of Addictive Behavior and Addiction Medicine Central Institute of Mental Health (CIMH) Medical Faculty Mannheim Heidelberg University Germany
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22
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Kalinichenko LS, Abdel-Hafiz L, Wang AL, Mühle C, Rösel N, Schumacher F, Kleuser B, Smaga I, Frankowska M, Filip M, Schaller G, Richter-Schmidinger T, Lenz B, Gulbins E, Kornhuber J, Oliveira AWC, Barros M, Huston JP, Müller CP. Neutral Sphingomyelinase is an Affective Valence-Dependent Regulator of Learning and Memory. Cereb Cortex 2021; 31:1316-1333. [PMID: 33043975 DOI: 10.1093/cercor/bhaa298] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 12/16/2022] Open
Abstract
Sphingolipids and enzymes of the sphingolipid rheostat determine synaptic appearance and signaling in the brain, but sphingolipid contribution to normal behavioral plasticity is little understood. Here we asked how the sphingolipid rheostat contributes to learning and memory of various dimensions. We investigated the role of these lipids in the mechanisms of two different types of memory, such as appetitively and aversively motivated memory, which are considered to be mediated by different neural mechanisms. We found an association between superior performance in short- and long-term appetitively motivated learning and regionally enhanced neutral sphingomyelinase (NSM) activity. An opposite interaction was observed in an aversively motivated task. A valence-dissociating role of NSM in learning was confirmed in mice with genetically reduced NSM activity. This role may be mediated by the NSM control of N-methyl-d-aspartate receptor subunit expression. In a translational approach, we confirmed a positive association of serum NSM activity with long-term appetitively motivated memory in nonhuman primates and in healthy humans. Altogether, these data suggest a new sphingolipid mechanism of de-novo learning and memory, which is based on NSM activity.
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Affiliation(s)
- Liubov S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Laila Abdel-Hafiz
- Center for Behavioral Neuroscience, Institute of Experimental Psychology, University of Düsseldorf, Düsseldorf 40225, Germany
| | - An-Li Wang
- Center for Behavioral Neuroscience, Institute of Experimental Psychology, University of Düsseldorf, Düsseldorf 40225, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Nadine Rösel
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Fabian Schumacher
- Department of Toxicology, Faculty of Mathematics and Natural Science, Institute of Nutritional Science, University of Potsdam, Potsdam 14558, Germany.,Department of Molecular Biology, University of Duisburg-Essen, Essen 45147, Germany
| | - Burkhard Kleuser
- Department of Toxicology, Faculty of Mathematics and Natural Science, Institute of Nutritional Science, University of Potsdam, Potsdam 14558, Germany
| | - Irena Smaga
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences, Maj Institute of Pharmacology, Kraków 31-343, Poland
| | - Malgorzata Frankowska
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences, Maj Institute of Pharmacology, Kraków 31-343, Poland
| | - Malgorzata Filip
- Department of Drug Addiction Pharmacology, Polish Academy of Sciences, Maj Institute of Pharmacology, Kraków 31-343, Poland
| | - Gerd Schaller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Tanja Richter-Schmidinger
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Bernd Lenz
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany.,Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim, Heidelberg University, Mannheim 68159, Germany
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, Essen 45147, Germany.,Department of Surgery, College of Medicine, University of Cincinnati, Cincinnati, OH 45267-0558, USA
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - André W C Oliveira
- Department of Pharmacy, School of Health Sciences, University of Brasilia, Brasilia, DF 70910-900, Brazil
| | - Marilia Barros
- Department of Pharmacy, School of Health Sciences, University of Brasilia, Brasilia, DF 70910-900, Brazil.,Primate Center, Institute of Biology, University of Brasilia, Brasilia 70910-900, Brazil
| | - Joseph P Huston
- Center for Behavioral Neuroscience, Institute of Experimental Psychology, University of Düsseldorf, Düsseldorf 40225, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen 91054, Germany
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Neutral sphingomyelinase mediates the co-morbidity trias of alcohol abuse, major depression and bone defects. Mol Psychiatry 2021; 26:7403-7416. [PMID: 34584229 PMCID: PMC8872992 DOI: 10.1038/s41380-021-01304-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]
Abstract
Mental disorders are highly comorbid and occur together with physical diseases, which are often considered to arise from separate pathogenic pathways. We observed in alcohol-dependent patients increased serum activity of neutral sphingomyelinase. A genetic association analysis in 456,693 volunteers found associations of haplotypes of SMPD3 coding for NSM-2 (NSM) with alcohol consumption, but also with affective state, and bone mineralisation. Functional analysis in mice showed that NSM controls alcohol consumption, affective behaviour, and their interaction by regulating hippocampal volume, cortical connectivity, and monoaminergic responses. Furthermore, NSM controlled bone-brain communication by enhancing osteocalcin signalling, which can independently supress alcohol consumption and reduce depressive behaviour. Altogether, we identified a single gene source for multiple pathways originating in the brain and bone, which interlink disorders of a mental-physical co-morbidity trias of alcohol abuse-depression/anxiety-bone disorder. Targeting NSM and osteocalcin signalling may, thus, provide a new systems approach in the treatment of a mental-physical co-morbidity trias.
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Zoicas I, Huber SE, Kalinichenko LS, Gulbins E, Müller CP, Kornhuber J. Ceramides affect alcohol consumption and depressive-like and anxiety-like behavior in a brain region- and ceramide species-specific way in male mice. Addict Biol 2020; 25:e12847. [PMID: 31828921 DOI: 10.1111/adb.12847] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 10/02/2019] [Accepted: 10/07/2019] [Indexed: 01/02/2023]
Abstract
Depression and alcohol dependence are associated with increased plasma ceramide concentrations in humans. Pharmacological increase in C16 ceramide concentrations in the dorsal hippocampus (DH) induced a depressive-like phenotype in naïve mice. However, the effects of C16 ceramide on alcohol consumption and anxiety-like behavior as well as the behavioral effects of other ceramide species are yet unknown. Therefore, we investigated whether repeated infusion of ceramides with different fatty acid chain lengths (C8, C16, and C20) into the DH and the basolateral amygdala (BLA) alter alcohol consumption, emotional behavior, and tissue monoamine levels. Our results revealed that C16, but not C8 and C20, ceramide altered alcohol drinking and emotional behavior in a brain region-specific way without altering tissue noradrenaline, dopamine, and serotonin levels in the prefrontal cortex, ventral striatum, and dorsal mesencephalon. In more detail, C16 ceramide increased alcohol consumption when infused into the BLA, but not when infused into the DH. Furthermore, C16 ceramide induced a depressive-like phenotype when infused into the DH, but a predominantly anxiogenic-like phenotype (in a non-social, but not a social context) when infused into the BLA. In turn, alcohol drinking normalized C16 ceramide-induced depressive-like and anxiogenic-like phenotypes. This study demonstrates a complex ceramide species-specific and brain region-specific modulation of alcohol consumption and emotional behavior in mice and provides the framework for future studies investigating the involvement of distinct ceramide species in the regulation of emotional behavior.
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Affiliation(s)
- Iulia Zoicas
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg Erlangen Germany
| | - Sabine E. Huber
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg Erlangen Germany
- Institute of Physiology I Westfälische Wilhelms‐University Münster Münster Germany
| | - Liubov S. Kalinichenko
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg Erlangen Germany
| | - Erich Gulbins
- Department of Molecular Biology University of Duisburg‐Essen Essen Germany
- Department of Surgery University of Cincinnati Cincinnati Ohio
| | - Christian P. Müller
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg Erlangen Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander‐University Erlangen‐Nürnberg Erlangen Germany
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Macht V, Elchert N, Crews F. Adolescent Alcohol Exposure Produces Protracted Cognitive-Behavioral Impairments in Adult Male and Female Rats. Brain Sci 2020; 10:brainsci10110785. [PMID: 33126417 PMCID: PMC7692738 DOI: 10.3390/brainsci10110785] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 12/20/2022] Open
Abstract
Binge drinking is common in adolescence. Rodent studies modeling adolescent binge drinking find persistent effects on the brain's physiology, including increased expression of neuroimmune genes, impaired neurogenesis, and changes in behavioral flexibility. This study used females and males to investigate the effects of adolescent intermittent ethanol (AIE) on a battery of behaviors assessing spatial navigation using a radial arm water maze, working memory using the Hebb-Williams maze, non-spatial long-term memory using novel object recognition, and dominance using a tube dominance test. Results indicate that AIE impairs adult acquisition in spatial navigational learning with deficits predominantly driven by females. Surprisingly, AIE slowed the transition from random to serial search strategies in both sexes, suggesting AIE impairs flexibility in problem-solving processing. In the Hebb-Williams maze working memory task, adult AIE rats exhibited deficits in problem solving, resulting in more errors across the 12 maze configurations, independent of sex. Conversely, AIE decreased dominance behaviors in female rats, and at 7 months post-alcohol, female AIE rats continued to exhibit deficits in novel object recognition. These results suggest that cognitive-behavioral alterations after adolescent binge drinking persist well into middle age, despite abstinence. Future studies should focus on intervening treatment strategies in both females and males.
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Affiliation(s)
- Victoria Macht
- Bowles Center for Alcohol Studies, University of North Carolina, Chapel Hill, NC 27599, USA; (V.M.); (N.E.)
| | - Natalie Elchert
- Bowles Center for Alcohol Studies, University of North Carolina, Chapel Hill, NC 27599, USA; (V.M.); (N.E.)
| | - Fulton Crews
- Bowles Center for Alcohol Studies, University of North Carolina, Chapel Hill, NC 27599, USA; (V.M.); (N.E.)
- Department of Pharmacology, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Psychiatry, University of North Carolina, Chapel Hill, NC 27599, USA
- Correspondence: ; Tel.: +1-919-966-5678
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Neutral ceramidase is a marker for cognitive performance in rats and monkeys. Pharmacol Rep 2020; 73:73-84. [PMID: 32936422 PMCID: PMC7862079 DOI: 10.1007/s43440-020-00159-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 12/20/2022]
Abstract
Background Ceramides are lipid molecules determining cell integrity and intercellular signaling, and thus, involved in the pathogenesis of several psychiatric and neurodegenerative disorders. However, little is known about the role of particular enzymes of the ceramide metabolism in the mechanisms of normal behavioral plasticity. Here, we studied the contribution of neutral ceramidase (NC), one of the main enzymes mediating ceramide degradation, in the mechanisms of learning and memory in rats and non-human primates. Methods Naïve Wistar rats and black tufted-ear marmosets (Callithrix penicillata) were tested in several tests for short- and long-term memory and then divided into groups with various memory performance. The activities of NC and acid ceramidase (AC) were measured in these animals. Additionally, anxiety and depression-like behavior and brain levels of monoamines were assessed in the rats. Results We observed a predictive role of NC activity in the blood serum for superior performance of long-term object memory tasks in both species. A brain area analysis suggested that high NC activity in the ventral mesencephalon (VM) predicts better short-term memory performance in rats. High NC activity in the VM was also associated with worse long-term object memory, which might be mediated by an enhanced depression-like state and a monoaminergic imbalance. Conclusions Altogether, these data suggest a role for NC in short- and long-term memory of various mammalian species. Serum activity of NC may possess a predictive role in the assessing the performance of certain types of memory. Electronic supplementary material The online version of this article (10.1007/s43440-020-00159-2) contains supplementary material, which is available to authorized users.
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Jaddoa E, Masania J, Masiero E, Sgamma T, Arroo R, Sillence D, Zetterström T. Effect of antidepressant drugs on the brain sphingolipid system. J Psychopharmacol 2020; 34:716-725. [PMID: 32403969 DOI: 10.1177/0269881120915412] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Major depression is a common mood disorder and the central sphingolipid system has been identified as a possible drug target of this condition. Here we investigated the action of antidepressant drugs on sphingolipid levels in rat brain regions, plasma and in cultured mouse macrophages. METHODS Two antidepressant drugs were tested: the serotonin reuptake inhibitor paroxetine and the noradrenaline reuptake inhibitor desipramine, either following acute or chronic treatments. Content of sphingosine and ceramide were analysed using LC-MS or HPLC-UV, respectively. This was from samples of brain, plasma and cultured mouse macrophages. Antidepressant-induced effects on mRNA expression for two key genes of the sphingolipid pathway, SMPD1 and ASAH1, were also measured by using quantitative real-time PCR. RESULTS Chronic but not acute administration of paroxetine or desipramine reduced sphingosine levels in the prefrontal cortex and hippocampus (only paroxetine) but not in the striatum. Ceramide levels were also measured in the hippocampus following chronic paroxetine and likewise to sphingosine this treatment reduced its levels. The corresponding collected plasma samples from chronically treated animals did not show any decrease of sphingosine compared to the corresponding controls. Both drugs failed to reduce sphingosine levels from cultured mouse macrophages. The drug-induced decrease of sphingolipids coincided with reduced mRNA expression of two enzymes of the central sphingolipid pathway, i.e. acid sphingomyelinase (SMPD1) and acid ceramidase (ASAH1). CONCLUSIONS This study supports the involvement of brain sphingolipids in the mechanism of action by antidepressant drugs and for the first time highlights their differential effects on brain versus plasma levels.
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Affiliation(s)
- Estabraq Jaddoa
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - Jinit Masania
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - Eva Masiero
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - Tiziana Sgamma
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - Randolph Arroo
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - Daniel Sillence
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
| | - Tyra Zetterström
- Leicester School of Pharmacy, De Montfort University, Leicester, UK
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Skóra MN, Pattij T, Beroun A, Kogias G, Mielenz D, de Vries T, Radwanska K, Müller CP. Personality driven alcohol and drug abuse: New mechanisms revealed. Neurosci Biobehav Rev 2020; 116:64-73. [PMID: 32565173 DOI: 10.1016/j.neubiorev.2020.06.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/15/2020] [Accepted: 06/16/2020] [Indexed: 12/15/2022]
Abstract
While the majority of the regular consumers of alcohol controls their consumption well over life span and even takes instrumentalization benefits from it, a minority, but yet high total number of users develops an alcohol addiction. It has long been known that particular personality types are more addiction prone than others. Here we review recent progress in the understanding of neurobiological pathways that determine personality and facilitate drug abuse. Novel approaches to characterize personality traits leading to addiction proneness in social settings in mice are discussed. A common genetic and neurobiological base for the behavioural traits of sensation seeking or a depressed phenotype and escalating alcohol consumption are reviewed. Furthermore, recent progress on how social and cognitive factors, including impulsivity and decision making, act at brain level to make an individual more vulnerable to alcohol abuse, are discussed. Altogether, this review provides an update on brain mechanisms underlying a broad spectrum of personality traits that make an individual more prone to alcohol and drug abuse and addiction.
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Affiliation(s)
- Maria Nalberczak Skóra
- Laboratory of Molecular Basis of Behavior, Nencki Institute, ul. L. Pasteura 3, Warsaw 02-093, Poland
| | - Tommy Pattij
- Department of Anatomy and Neurosciences, Amsterdam Neuroscience, Amsterdam University Medical Centers, Location VU University Medical Center, Amsterdam, the Netherlands
| | - Anna Beroun
- BRAINCITY, Nencki Institute, Warsaw 02-093, Poland
| | - Georgios Kogias
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany
| | - Dirk Mielenz
- Division of Molecular Immunology, Department of Internal Medicine III, Nikolaus-Fiebiger-Center, University Clinic, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
| | - Taco de Vries
- Department of Anatomy and Neurosciences, Amsterdam Neuroscience, Amsterdam University Medical Centers, Location VU University Medical Center, Amsterdam, the Netherlands; Department of Molecular and Cellular Neuroscience, CNCR, VU University, Amsterdam, The Netherlands
| | - Kasia Radwanska
- Laboratory of Molecular Basis of Behavior, Nencki Institute, ul. L. Pasteura 3, Warsaw 02-093, Poland
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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29
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Müller CP. Drug instrumentalization. Behav Brain Res 2020; 390:112672. [PMID: 32442549 DOI: 10.1016/j.bbr.2020.112672] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 12/19/2022]
Abstract
Psychoactive drugs with addiction potential are widely used by people of virtually all cultures in a non-addictive way. In order to understand this behaviour, its population penetrance, and its persistence, drug instrumentalization was suggested as a driving force for this consumption. Drug instrumentalization theory holds that psychoactive drugs are consumed in a very systematic way in order to make other, non-drug-related behaviours more efficient. Here, we review the evolutionary origin of this behaviour and its psychological mechanisms and explore the neurobiological and neuropharmacological mechanisms underlying them. Instrumentalization goals are discussed, for which an environmentally selective and mental state-dependent consumption of psychoactive drugs can be learned and maintained in a non-addictive way. A small percentage of people who regularly instrumentalize psychoactive drugs make a transition to addiction, which often starts with qualitative and quantitative changes in the instrumentalization goals. As such, addiction is proposed to develop from previously established long-term drug instrumentalization. Thus, preventing and treating drug addiction in an individualized medicine approach may essentially require understanding and supporting personal instrumentalization goals.
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Affiliation(s)
- Christian P Müller
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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Zoicas I, Schumacher F, Kleuser B, Reichel M, Gulbins E, Fejtova A, Kornhuber J, Rhein C. The Forebrain-Specific Overexpression of Acid Sphingomyelinase Induces Depressive-Like Symptoms in Mice. Cells 2020; 9:cells9051244. [PMID: 32443534 PMCID: PMC7290754 DOI: 10.3390/cells9051244] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 11/16/2022] Open
Abstract
Human and murine studies identified the lysosomal enzyme acid sphingomyelinase (ASM) as a target for antidepressant therapy and revealed its role in the pathophysiology of major depression. In this study, we generated a mouse model with overexpression of Asm (Asm-tgfb) that is restricted to the forebrain to rule out any systemic effects of Asm overexpression on depressive-like symptoms. The increase in Asm activity was higher in male Asm-tgfb mice than in female Asm-tgfb mice due to the breeding strategy, which allows for the generation of wild-type littermates as appropriate controls. Asm overexpression in the forebrain of male mice resulted in a depressive-like phenotype, whereas in female mice, Asm overexpression resulted in a social anxiogenic-like phenotype. Ceramides in male Asm-tgfb mice were elevated specifically in the dorsal hippocampus. mRNA expression analyses indicated that the increase in Asm activity affected other ceramide-generating pathways, which might help to balance ceramide levels in cortical brain regions. This forebrain-specific mouse model offers a novel tool for dissecting the molecular mechanisms that play a role in the pathophysiology of major depression.
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Affiliation(s)
- Iulia Zoicas
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Fabian Schumacher
- Department of Toxicology, University of Potsdam, 14558 Nuthetal, Germany; (F.S.); (B.K.)
- Department of Molecular Biology, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Burkhard Kleuser
- Department of Toxicology, University of Potsdam, 14558 Nuthetal, Germany; (F.S.); (B.K.)
| | - Martin Reichel
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Anna Fejtova
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
| | - Cosima Rhein
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany; (I.Z.); (M.R.); (A.F.); (J.K.)
- Department of Psychosomatic Medicine and Psychotherapy, Friedrich-Alexander Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
- Correspondence: ; Tel.: +49-9131-85-44542
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Zoicas I, Mühle C, Schmidtner AK, Gulbins E, Neumann ID, Kornhuber J. Anxiety and Depression Are Related to Higher Activity of Sphingolipid Metabolizing Enzymes in the Rat Brain. Cells 2020; 9:cells9051239. [PMID: 32429522 PMCID: PMC7290887 DOI: 10.3390/cells9051239] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/13/2020] [Accepted: 05/15/2020] [Indexed: 12/11/2022] Open
Abstract
Changes in sphingolipid metabolism have been suggested to contribute to the pathophysiology of major depression. In this study, we investigated the activity of acid and neutral sphingomyelinases (ASM, NSM) and ceramidases (AC, NC), respectively, in twelve brain regions of female rats selectively bred for high (HAB) versus low (LAB) anxiety-like behavior. Concomitant with their highly anxious and depressive-like phenotype, HAB rats showed increased activity of ASM and NSM as well as of AC and NC in multiple brain regions associated with anxiety- and depressive-like behavior, including the lateral septum, hypothalamus, ventral hippocampus, ventral and dorsal mesencephalon. Strong correlations between anxiety-like behavior and ASM activity were found in female HAB rats in the amygdala, ventral hippocampus and dorsal mesencephalon, whereas NSM activity correlated with anxiety levels in the dorsal mesencephalon. These results provide novel information about the sphingolipid metabolism, especially about the sphingomyelinases and ceramidases, in major depression and comorbid anxiety.
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Affiliation(s)
- Iulia Zoicas
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany; (C.M.); (J.K.)
- Correspondence: ; Tel.: +49-9131-85-46005; Fax: +49-9131-85-36381
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany; (C.M.); (J.K.)
| | - Anna K. Schmidtner
- Department of Behavioural and Molecular Neurobiology, University of Regensburg, 93040 Regensburg, Germany; (A.K.S.); (I.D.N.)
- Edmond and Lily Safra Center for Brain Sciences, Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Inga D. Neumann
- Department of Behavioural and Molecular Neurobiology, University of Regensburg, 93040 Regensburg, Germany; (A.K.S.); (I.D.N.)
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany; (C.M.); (J.K.)
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Farris SP, Tiwari GR, Ponomareva O, Lopez MF, Mayfield RD, Becker HC. Transcriptome Analysis of Alcohol Drinking in Non-Dependent and Dependent Mice Following Repeated Cycles of Forced Swim Stress Exposure. Brain Sci 2020; 10:brainsci10050275. [PMID: 32370184 PMCID: PMC7288165 DOI: 10.3390/brainsci10050275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/22/2020] [Accepted: 04/27/2020] [Indexed: 01/01/2023] Open
Abstract
Chronic stress is a known contributing factor to the development of drug and alcohol addiction. Animal models have previously shown that repeated forced swim stress promotes escalated alcohol consumption in dependent animals. To investigate the underlying molecular adaptations associated with stress and chronic alcohol exposure, RNA-sequencing and bioinformatics analyses were conducted on the prefrontal cortex (CTX) of male C57BL/6J mice that were behaviorally tested for either non-dependent alcohol consumption (CTL), chronic intermittent ethanol (CIE) vapor dependent alcohol consumption, repeated bouts of forced swim stress alone (FSS), and chronic intermittent ethanol with forced swim stress (CIE + FSS). Brain tissue from each group was collected at 0-h, 72-h, and 168-h following the final test to determine long-lasting molecular changes associated with maladaptive behavior. Our results demonstrate unique temporal patterns and persistent changes in coordinately regulated gene expression systems with respect to the tested behavioral group. For example, increased expression of genes involved in “transmitter-gated ion channel activity” was only determined for CIE + FSS. Overall, our results provide a summary of transcriptomic adaptations across time within the CTX that are relevant to understanding the neurobiology of chronic alcohol exposure and stress.
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Affiliation(s)
- Sean P. Farris
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA;
- Department of Biomedical Informatics, University of Pittsburgh, Pittsburgh, PA 15206, USA
| | - Gayatri R. Tiwari
- Waggoner Center for Alcohol and Addiction Research, The University of Texas at Austin, Austin, TX 78712, USA; (G.R.T.); (O.P.); (R.D.M.)
| | - Olga Ponomareva
- Waggoner Center for Alcohol and Addiction Research, The University of Texas at Austin, Austin, TX 78712, USA; (G.R.T.); (O.P.); (R.D.M.)
| | - Marcelo F. Lopez
- Charleston Alcohol Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 28425, USA;
| | - R. Dayne Mayfield
- Waggoner Center for Alcohol and Addiction Research, The University of Texas at Austin, Austin, TX 78712, USA; (G.R.T.); (O.P.); (R.D.M.)
- Department of Neuroscience, The University of Texas at Austin, Austin, TX 78712, USA
| | - Howard C. Becker
- Charleston Alcohol Research Center, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 28425, USA;
- Department of Neuroscience, Medical University of South, Charleston, SC 29425, USA
- Department of Veterans Affairs Medical Center, Charleston, SC 20401, USA
- Correspondence:
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König L, Kalinichenko LS, Huber SE, Voll AM, Bauder M, Kornhuber J, Hausch F, Müller CP. The selective FKBP51 inhibitor SAFit2 reduces alcohol consumption and reinstatement of conditioned alcohol effects in mice. Addict Biol 2020; 25:e12758. [PMID: 31173432 DOI: 10.1111/adb.12758] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 03/13/2019] [Accepted: 03/18/2019] [Indexed: 01/19/2023]
Abstract
There is still no widely effective pharmacotherapy for alcohol addiction available in the clinic. FK506-binding protein 51 (FKBP51) is a negative regulator of the glucocorticoid receptor signaling pathway that regulates the stress-induced glucocorticoid feedback circuit. Here we asked whether selective inhibitors of FKBP51, exemplified by SAFit2, may serve as a new pharmacological strategy to reduce alcohol consumption and conditioned alcohol effects in a mouse model. We report that a relatively short treatment with SAFit2 (20 mg/kg, ip) reduces ongoing 16 vol% alcohol consumption when administered during free access to alcohol in a two-bottle free-choice test. SAFit2 was also able to reduce alcohol consumption when given during an abstinence period immediately before relapse. In contrast, SAFit2 did not affect alcohol consumption when given during a relapse period after repeated withdrawal from alcohol. SAFit2 (10 and 20 mg/kg, ip) showed no effects when used in an intermittent drinking schedule. When 20 vol% alcohol was only available every other day, SAFit2 had no effect on drinking, no matter whether given during a drinking episode or the day before. SAFit2 (2 and 20 mg/kg, ip) did not affect the expression of an alcohol-induced conditioned place preference (CPP). However, SAFit2 was able to inhibit alcohol-induced reinstatement of an extinguished CPP in a dose-dependent way. Altogether, these data may suggest pharmacological inhibition of FKBP51 as a viable strategy to reduce alcohol seeking and consumption.
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Affiliation(s)
- Loretta König
- Department of Psychiatry and PsychotherapyUniversity Clinic, Friedrich‐Alexander‐University Erlangen‐Nuremberg Germany
| | - Liubov S. Kalinichenko
- Department of Psychiatry and PsychotherapyUniversity Clinic, Friedrich‐Alexander‐University Erlangen‐Nuremberg Germany
| | - Sabine E. Huber
- Department of Psychiatry and PsychotherapyUniversity Clinic, Friedrich‐Alexander‐University Erlangen‐Nuremberg Germany
- Institute of Physiology IWestfälische Wilhelms‐University Münster Germany
| | - Andreas M. Voll
- Department of Translational Research in PsychiatryMax Planck Institute of Psychiatry Germany
- Department of Chemistry, Clemens‐Schöpf‐Institut for Organic Chemistry and BiochemistryTechnical University Darmstadt Germany
| | - Michael Bauder
- Department of Chemistry, Clemens‐Schöpf‐Institut for Organic Chemistry and BiochemistryTechnical University Darmstadt Germany
| | - Johannes Kornhuber
- Department of Psychiatry and PsychotherapyUniversity Clinic, Friedrich‐Alexander‐University Erlangen‐Nuremberg Germany
| | - Felix Hausch
- Department of Translational Research in PsychiatryMax Planck Institute of Psychiatry Germany
- Department of Chemistry, Clemens‐Schöpf‐Institut for Organic Chemistry and BiochemistryTechnical University Darmstadt Germany
| | - Christian P. Müller
- Department of Psychiatry and PsychotherapyUniversity Clinic, Friedrich‐Alexander‐University Erlangen‐Nuremberg Germany
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Mechanisms of a near-orthogonal ultra-fast evolution of human behaviour as a source of culture development. Behav Brain Res 2020; 384:112521. [DOI: 10.1016/j.bbr.2020.112521] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/24/2020] [Accepted: 01/29/2020] [Indexed: 12/15/2022]
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Ahmed SH, Badiani A, Miczek KA, Müller CP. Non-pharmacological factors that determine drug use and addiction. Neurosci Biobehav Rev 2020; 110:3-27. [PMID: 30179633 PMCID: PMC6395570 DOI: 10.1016/j.neubiorev.2018.08.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/26/2018] [Accepted: 08/28/2018] [Indexed: 12/26/2022]
Abstract
Based on their pharmacological properties, psychoactive drugs are supposed to take control of the natural reward system to finally drive compulsory drug seeking and consumption. However, psychoactive drugs are not used in an arbitrary way as pure pharmacological reinforcement would suggest, but rather in a highly specific manner depending on non-pharmacological factors. While pharmacological effects of psychoactive drugs are well studied, neurobiological mechanisms of non-pharmacological factors are less well understood. Here we review the emerging neurobiological mechanisms beyond pharmacological reinforcement which determine drug effects and use frequency. Important progress was made on the understanding of how the character of an environment and social stress determine drug self-administration. This is expanded by new evidence on how behavioral alternatives and opportunities for drug instrumentalization generate different patterns of drug choice. Emerging evidence suggests that the neurobiology of non-pharmacological factors strongly determines pharmacological and behavioral drug action and may, thus, give rise for an expanded system's approach of psychoactive drug use and addiction.
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Affiliation(s)
- Serge H Ahmed
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 146 rue Léo-Saignat, F-33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 146 rue Léo-Saignat, F-33000 Bordeaux, France
| | - Aldo Badiani
- Department of Physiology and Pharmacology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; Sussex Addiction Research and Intervention Centre (SARIC), School of Psychology, University of Sussex, BN1 9RH Brighton, UK
| | - Klaus A Miczek
- Psychology Department, Tufts University, Bacon Hall, 530 Boston Avenue, Medford, MA 02155, USA; Department of Neuroscience, Sackler School of Graduate Biomedical Sciences, Boston, MA 02111, USA
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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36
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Kogias G, Zheng F, Kalinichenko LS, Kornhuber J, Alzheimer C, Mielenz D, Müller CP. Swiprosin1/EFhd2 is involved in the monoaminergic and locomotor responses of psychostimulant drugs. J Neurochem 2020; 154:424-440. [DOI: 10.1111/jnc.14959] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Georgios Kogias
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
| | - Fang Zheng
- Institute of Physiology and Pathophysiology Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
| | - Liubov S. Kalinichenko
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
| | - Christian Alzheimer
- Institute of Physiology and Pathophysiology Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
| | - Dirk Mielenz
- Division of Molecular Immunology Department of Internal Medicine III Nikolaus‐Fiebiger‐Center University Clinic Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
| | - Christian P. Müller
- Department of Psychiatry and Psychotherapy Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
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Yang K, Yu J, Nong K, Wang Y, Niu A, Chen W, Dong J, Wang J. Discovery of Potent, Selective, and Direct Acid Sphingomyelinase Inhibitors with Antidepressant Activity. J Med Chem 2020; 63:961-974. [PMID: 31944697 DOI: 10.1021/acs.jmedchem.9b00739] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Recent studies on sphingolipids suggest that acid sphingomyelinase (ASM), which plays a central role in the pathogenesis of major depression, is emerging to be a novel target for developing antidepressants. Herein we first described the design, synthesis, and biological evaluation of hydroxamic acid-based direct inhibitors of ASM with the effort of validating their antidepressant effects in vivo. As a result, a series of novel ASM inhibitors were developed using a structure-based approach. Our studies demonstrated that the administration of 21b improved depression-like behaviors of rats. Importantly, this positive result was relevant to the inhibition of ASM and the increasing neurogenesis in hippocampus. To the best of our knowledge, this is the first time that direct inhibitors of ASM were developed to support the possibility of ASM as a potential therapeutic target for depression.
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Affiliation(s)
- Kan Yang
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China.,Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences , Hebei University , Baoding 071002 , China
| | - Jinying Yu
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China
| | - Keyi Nong
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China
| | - Youzhi Wang
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China
| | - Ao Niu
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China
| | - Wenlu Chen
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China
| | - Jibin Dong
- Department of Biochemistry, School of Pharmacy , Fudan University , Shanghai 201203 , China
| | - Jinxin Wang
- Jiangsu Key Laboratory of Drug Design and Optimization, Department of Medicinal Chemistry, School of Pharmacy , China Pharmaceutical University , Nanjing 210009 , China
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Salmanzadeh H, Ahmadi-Soleimani SM, Pachenari N, Azadi M, Halliwell RF, Rubino T, Azizi H. Adolescent drug exposure: A review of evidence for the development of persistent changes in brain function. Brain Res Bull 2020; 156:105-117. [PMID: 31926303 DOI: 10.1016/j.brainresbull.2020.01.007] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/28/2019] [Accepted: 01/06/2020] [Indexed: 12/24/2022]
Abstract
Over the past decade, many studies have indicated that adolescence is a critical period of brain development and maturation. The refinement and maturation of the central nervous system over this prolonged period, however, makes the adolescent brain highly susceptible to perturbations from acute and chronic drug exposure. Here we review the preclinical literature addressing the long-term consequences of adolescent exposure to common recreational drugs and drugs-of-abuse. These studies on adolescent exposure to alcohol, nicotine, opioids, cannabinoids and psychostimulant drugs, such as cocaine and amphetamine, reveal a variety of long-lasting behavioral and neurobiological consequences. These agents can affect development of the prefrontal cortex and mesolimbic dopamine pathways and modify the reward systems, socio-emotional processing and cognition. Other consequences include disruption in working memory, anxiety disorders and an increased risk of subsequent drug abuse in adult life. Although preventive and control policies are a valuable approach to reduce the detrimental effects of drugs-of-abuse on the adolescent brain, a more profound understanding of their neurobiological impact can lead to improved strategies for the treatment and attenuation of the detrimental neuropsychiatric sequelae.
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Affiliation(s)
- Hamed Salmanzadeh
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran; TJ Long School of Pharmacy & Health Sciences, University of the Pacific, Stockton, CA, USA
| | | | - Narges Pachenari
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Maryam Azadi
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Robert F Halliwell
- TJ Long School of Pharmacy & Health Sciences, University of the Pacific, Stockton, CA, USA
| | - Tiziana Rubino
- Department of Biotechnology and Life Sciences, University of Insubria, Busto Arsizio, VA, Italy
| | - Hossein Azizi
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
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39
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Müller CP. Lasting translation: how to improve animal models for addiction treatment. Addiction 2020; 115:13-14. [PMID: 31576616 DOI: 10.1111/add.14788] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 08/05/2019] [Indexed: 12/27/2022]
Affiliation(s)
- Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
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40
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Albasher G, Alharthi N, Alkahtani S, Aljarba N, Al Sultan N, Alsaiari A, Nasir O, Bin-Jumah M, Alqahtani W. Behavioral and physiological assessments to evaluate the effect of Acacia senegal and Acacia seyal in albino mice. Pharmacogn Mag 2020. [DOI: 10.4103/pm.pm_20_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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41
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van Kruining D, Luo Q, van Echten-Deckert G, Mielke MM, Bowman A, Ellis S, Oliveira TG, Martinez-Martinez P. Sphingolipids as prognostic biomarkers of neurodegeneration, neuroinflammation, and psychiatric diseases and their emerging role in lipidomic investigation methods. Adv Drug Deliv Rev 2020; 159:232-244. [PMID: 32360155 PMCID: PMC7665829 DOI: 10.1016/j.addr.2020.04.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/21/2020] [Accepted: 04/26/2020] [Indexed: 02/06/2023]
Abstract
Lipids play an important role in neurodegeneration, neuroinflammation, and psychiatric disorders and an imbalance in sphingolipid levels is associated with disease. Although early diagnosis and intervention of these disorders would clearly have favorable long-term outcomes, no diagnostic tests currently exist that can accurately identify people at risk. Reliable prognostic biomarkers that are easily accessible would be beneficial to determine therapy and treatment response in clinical trials. Recent advances in lipidomic investigation methods have greatly progressed the knowledge of sphingolipids in neurodegenerative and psychiatric disorders over the past decades although more longitudinal studies are needed to understand its exact role in these disorders to be used as potential tools in the clinic. In this review, we give an overview of the current knowledge of sphingolipids in neurodegenerative and psychiatric disorders and explore recent advances in investigation methods. Finally, the potential of sphingolipid metabolism products and signaling molecules as potential biomarkers for diagnosis, prognostic, or surrogate markers of treatment response is discussed.
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Affiliation(s)
- Daan van Kruining
- Division of Neuroscience, School for Mental Health and Neuroscience, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Qian Luo
- Division of Neuroscience, School for Mental Health and Neuroscience, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, the Netherlands
| | - Gerhild van Echten-Deckert
- LIMES Institute for Membrane Biology and Lipid Biochemistry, Kekulé-Institute, University of Bonn, Bonn, Germany
| | - Michelle M Mielke
- Department of Health Sciences Research and Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota, United States
| | - Andrew Bowman
- The Maastricht Multimodal Molecular Imaging Institute (M4I), Division of Imaging Mass Spectrometry, Maastricht University, Maastricht, the Netherlands
| | - Shane Ellis
- The Maastricht Multimodal Molecular Imaging Institute (M4I), Division of Imaging Mass Spectrometry, Maastricht University, Maastricht, the Netherlands
| | - Tiago Gil Oliveira
- Life and Health Sciences Research Institute (ICVS), ICVS/3B's, School of Medicine, University of Minho, Braga, Portugal
| | - Pilar Martinez-Martinez
- Division of Neuroscience, School for Mental Health and Neuroscience, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, the Netherlands.
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42
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Le Daré B, Lagente V, Gicquel T. Ethanol and its metabolites: update on toxicity, benefits, and focus on immunomodulatory effects. Drug Metab Rev 2019; 51:545-561. [PMID: 31646907 DOI: 10.1080/03602532.2019.1679169] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This article summarizes recent experimental and epidemiological data on the toxic and beneficial effects of ethanol and its metabolites (acetaldehyde), and focuses on their immunomodulatory effects. The section dealing with the toxic effects of alcohol focuses on its chronic toxicity (liver disorders, carcinogenic effects, cardiovascular disorders, neuropsychic disorders, addiction and withdrawal syndrome, hematologic disorders, reprotoxicity, osteoporosis) although acute toxicity is considered. The role of oxidative metabolism of ethanol by alcohol dehydrogenase, cytochrome P450 2E1, and aldehyde dehydrogenase, as well as the impact of genetic polymorphism in its physiopathology are also highlighted. The section dealing with the beneficial effects of low to moderate alcohol consumption (on cardiovascular system, diabetes, the nervous system and sensory organs, autoimmune diseases, and rheumatology) highlights the importance of anti-inflammatory and immunomodulatory effects in these observations. This knowledge, enriched by a focus on the immunomodulatory effects of ethanol and its metabolites, in particular on the NLRP3 inflammasome pathway, might facilitate the development of treatments that can reduce ethanol's harmful effects or accentuate its beneficial effects.
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Affiliation(s)
- Brendan Le Daré
- Univ Rennes, INSERM, INRA, Institut NuMeCan (Nutrition, Metabolisms and Cancer), Rennes, France.,Pharmacy Unit, Pontchaillou University Hospital, Rennes, France.,Forensic and Toxicology Laboratory, Pontchaillou University Hospital, Rennes, France
| | - Vincent Lagente
- Univ Rennes, INSERM, INRA, Institut NuMeCan (Nutrition, Metabolisms and Cancer), Rennes, France
| | - Thomas Gicquel
- Univ Rennes, INSERM, INRA, Institut NuMeCan (Nutrition, Metabolisms and Cancer), Rennes, France.,Forensic and Toxicology Laboratory, Pontchaillou University Hospital, Rennes, France
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43
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Kalinichenko LS, Kornhuber J, Müller CP. Individual differences in inflammatory and oxidative mechanisms of stress-related mood disorders. Front Neuroendocrinol 2019; 55:100783. [PMID: 31415777 DOI: 10.1016/j.yfrne.2019.100783] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 08/05/2019] [Accepted: 08/09/2019] [Indexed: 12/16/2022]
Abstract
Emotional stress leads to the development of peripheral disorders and is recognized as a modifiable risk factor for psychiatric disorders, particularly depression and anxiety. However, not all individuals develop the negative consequences of emotional stress due to different stress coping strategies and resilience to stressful stimuli. In this review, we discuss individual differences in coping styles and the potential mechanisms that contribute to individual vulnerability to stress, such as parameters of the immune system and oxidative state. Initial differences in inflammatory and oxidative processes determine resistance to stress and stress-related disorders via the alteration of neurotransmitter content in the brain and biological fluids. Differences in coping styles may serve as possible predictors of resistance to stress and stress-related disorders, even before stressful conditions. The investigation of natural variabilities in stress resilience may allow the development of new methods for preventive medicine and the personalized treatment of stress-related conditions.
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Affiliation(s)
- L S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany.
| | - J Kornhuber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany
| | - C P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany
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Kalinichenko LS, Mühle C, Eulenburg V, Praetner M, Reichel M, Gulbins E, Kornhuber J, Müller CP. Enhanced Alcohol Preference and Anxiolytic Alcohol Effects in Niemann-Pick Disease Model in Mice. Front Neurol 2019; 10:731. [PMID: 31333574 PMCID: PMC6618345 DOI: 10.3389/fneur.2019.00731] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 06/20/2019] [Indexed: 12/19/2022] Open
Abstract
Major depression and alcohol use disorder are severe psychiatric diseases affecting the world's population with high comorbidity level. However, the pathogenesis of this comorbidity remains unclear, and no selective treatment for this condition is available. A pathogenic pathway and a possible therapeutic target for the treatment of depression-alcoholism comorbidity based on the hyperfunction of acid sphingomyelinase (Asm) were recently suggested. Here we analyzed the effects of alcohol on the depression/anxiety state of homozygous Asm-knockout mice (Asm − /−), which can be considered as a model of an early stage of Niemann-Pick disease, as well as their drinking pattern under normal and stress conditions. It was observed that forced treatment with alcohol (2 g/kg, i.p.) reduces the anxiety level of Asm−/− mice as measured in the elevated plus maze (EPM) test, but enhances the depression level in the forced swim test (FST). The analysis of drinking pattern of these animals in a free-choice alcohol drinking paradigm revealed higher alcohol intake and preference in Asm−/− mice compared to wild type (wt) littermates. However, this difference was overwritten by the stress exposure. Stronger sedating effects of alcohol were observed in Asm−/− mice compared to wt animals in the loss of righting reflex test after single and repeated alcohol injections (3 g/kg, i.p.). Altogether, the present findings might indicate an Asm involvement in the mechanisms of comorbidity between alcoholism and anxiety/depression.
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Affiliation(s)
- Liubov S Kalinichenko
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Volker Eulenburg
- Institute for Biochemistry and Molecular Medicine, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany.,Department of Anaesthesiology and Intensive Care Medicine, University of Leipzig, Leipzig, Germany
| | - Marc Praetner
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Martin Reichel
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany.,Department of Nephrology and Medical Intensive Care, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, Essen, Germany.,Department of Surgery, College of Medicine, University of Cincinnati, Cincinnati, OH, United States
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
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45
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Kornhuber J, Huber SE, Zoicas I. Effects of conditioned social fear on ethanol drinking and vice-versa in male mice. Psychopharmacology (Berl) 2019; 236:2059-2067. [PMID: 30798401 DOI: 10.1007/s00213-019-05199-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 02/13/2019] [Indexed: 12/21/2022]
Abstract
RATIONALE Social anxiety disorder (SAD) is highly comorbid with alcohol use disorders, but the complex relationship between social fear and alcohol drinking is poorly understood due to the lack of specific animal models. OBJECTIVES We investigated whether social fear alters ethanol drinking under both stress-free and stress-inducing conditions and whether ethanol alleviates symptoms of social fear. METHODS We used the social fear conditioning (SFC) paradigm, an animal model with face and predictive validity to SAD, to induce specific social fear in male CD1 mice, i.e., without comorbid depression or anxiety-like behavior. Plasma corticosterone (CORT) levels were measured in conditioned (SFC+) and unconditioned (SFC-) mice after exposure to non-social or social stimuli. Ethanol drinking was assessed in the two-bottle free-choice paradigm (1) for 16 days under stress-free conditions and (2) for 6 h after exposure to social stimuli. The effects of ethanol drinking and social fear on anxiety-like behavior and taste preference were tested in the elevated plus-maze and sucrose and quinine preference tests. RESULTS We show that exposure to social but not non-social stimuli leads to higher plasma CORT levels in SFC+ compared with SFC- mice. We also show that social fear decreases voluntary ethanol consumption under stress-free conditions, but increases ethanol consumption after exposure to social stimuli. Ethanol drinking, on the other hand, reduces social fear without altering anxiety-like behavior, locomotor activity, and taste preference. CONCLUSIONS These results have important clinical connotations as they suggest that voluntary ethanol drinking might specifically reverse symptoms of social fear in a SAD-relevant animal model.
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Affiliation(s)
- Johannes Kornhuber
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Sabine E Huber
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany
| | - Iulia Zoicas
- Department of Psychiatry and Psychotherapy, University Hospital, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054, Erlangen, Germany.
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46
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Secretory Acid Sphingomyelinase in the Serum of Medicated Patients Predicts the Prospective Course of Depression. J Clin Med 2019; 8:jcm8060846. [PMID: 31200571 PMCID: PMC6617165 DOI: 10.3390/jcm8060846] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/06/2019] [Accepted: 06/07/2019] [Indexed: 01/31/2023] Open
Abstract
Major depressive disorder (MDD) is a highly prevalent and devastating psychiatric illness with strong individual and societal burdens. However, biomarkers to improve the limited preventive and therapeutic approaches are scarce. Multilevel evidence suggests that the pathophysiological involvement of sphingolipids particularly increases the levels of ceramides and the ceramide hydrolyzing enzyme, acid sphingomyelinase. The activity of secretory acid sphingomyelinase (S-ASM) and routine blood parameters were determined in the serum of patients with current (unmedicated n = 63, medicated n = 66) and remitted (n = 39) MDD and healthy subjects (n = 61). Depression severity and anxiety and their 3-weeks prospective course of treatment were assessed by psychometric inventories. S-ASM activity was not different between the four groups, did not decrease during treatment, and was not lower in individuals taking medication that functionally inhibited ASM. However, S-ASM correlated positively with depression severity only in remitted patients. High enzyme activity at inclusion predicted milder clinician-evaluated and self-rated depression severity (HAM-D, MADRS, BDI-II) and state anxiety at follow-up, and was related to stronger improvement in these scores in medicated patients. S-ASM was strongly and contrariwise associated with serum lipids in unmedicated and medicated females. These findings contribute to a better understanding of the pathomechanisms underlying depression and the development of clinical strategies and biomarkers.
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47
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Influence of the fat/carbohydrate component of snack food on energy intake pattern and reinforcing properties in rodents. Behav Brain Res 2019; 364:328-333. [PMID: 30807810 DOI: 10.1016/j.bbr.2019.02.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 02/22/2019] [Accepted: 02/22/2019] [Indexed: 11/23/2022]
Abstract
Hedonic intake of strongly rewarding foods is independent from biological needs and, thus, a common cause of obesity. The effect of potato chips on energy intake in a snacking model could be explained by their fat/carbohydrate content (FCHc). The present study investigated if the FCHc shapes energy intake patterns and reward processing of satiated rodents. Modulation of energy intake patterns was studied in an established snacking model offering FCHc rich food for 3 × 10 min/day to satiated rats. Reward processing was analyzed by a previously established conditioned place preference tests in satiated mice. The limited access to FCHc rich food led to higher daily energy intake compared to days without access (110 ± 10 vs. 96 ± 5 kcal/day) indicating that fat/carbohydrate intake was not fully compensated by reducing standard chow intake during the rest of the day. Furthermore, fat/carbohydrate snacking led to binge eating episodes with up to 55% of the daily energy intake consumed during limited access. Forced withdrawal from fat/carbohydrate snacking opportunities for six weeks increased the total daily energy intake and the relative amount of energy consumed by FCHc after reintroducing fat/carbohydrate snacking. Snack food and fat/carbohydrate food were powerful food reinforcers in satiated mice in contrast to standard chow. Altogether, these data suggest that the FCHc of snack food has strong reinforcing properties, which are probably responsible for the significant modulation of the amount and pattern of food intake in ad libitum fed animals.
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48
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Differential lipid composition and regulation along the hippocampal longitudinal axis. Transl Psychiatry 2019; 9:144. [PMID: 31028243 PMCID: PMC6486574 DOI: 10.1038/s41398-019-0478-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 04/02/2019] [Indexed: 01/16/2023] Open
Abstract
Lipids are major constituents of the brain largely implicated in physiological and pathological processes. The hippocampus is a complex brain structure involved in learning, memory and emotional responses, and its functioning is also affected in various disorders. Despite conserved intrinsic circuitry, behavioral and anatomical studies suggest the existence of a structural and functional gradient along the hippocampal longitudinal axis. Here, we used an unbiased mass spectrometry approach to characterize the lipid composition of distinct hippocampal subregions. In addition, we evaluated the susceptibility of each area to lipid modulation by corticosterone (CORT), an important mediator of the effects of stress. We confirmed a great similarity between hippocampal subregions relatively to other brain areas. Moreover, we observed a continuous molecular gradient along the longitudinal axis of the hippocampus, with the dorsal and ventral extremities differing significantly from each other, particularly in the relative abundance of sphingolipids and phospholipids. Also, whereas chronic CORT exposure led to remodeling of triacylglycerol and phosphatidylinositol species in both hippocampal poles, our study suggests that the ventral hippocampus is more sensitive to CORT-induced changes, with regional modulation of ceramide, dihydrosphingomyelin and phosphatidic acid. Thus, our results confirm a multipartite molecular view of dorsal-ventral hippocampal axis and emphasize lipid metabolites as candidate effectors of glucocorticoid signaling, mediating regional susceptibility to neurological disorders associated with stress.
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Müller CP, Chu C, Qin L, Liu C, Xu B, Gao H, Ruggeri B, Hieber S, Schneider J, Jia T, Tay N, Akira S, Satoh T, Banaschewski T, Bokde ALW, Bromberg U, Büchel C, Quinlan EB, Flor H, Frouin V, Garavan H, Gowland P, Heinz A, Ittermann B, Martinot JL, Martinot MLP, Artiges E, Lemaitre H, Nees F, Papadopoulos Orfanos D, Paus T, Poustka L, Millenet S, Fröhner JH, Smolka MN, Walter H, Whelan R, Bakalkin G, Liu Y, Desrivières S, Elliott P, Eulenburg V, Levy D, Crews F, Schumann G. The Cortical Neuroimmune Regulator TANK Affects Emotional Processing and Enhances Alcohol Drinking: A Translational Study. Cereb Cortex 2019; 29:1736-1751. [PMID: 30721969 PMCID: PMC6430980 DOI: 10.1093/cercor/bhy341] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/14/2018] [Accepted: 12/19/2018] [Indexed: 12/22/2022] Open
Abstract
Alcohol abuse is a major public health problem worldwide. Understanding the molecular mechanisms that control regular drinking may help to reduce hazards of alcohol consumption. While immunological mechanisms have been related to alcohol drinking, most studies reported changes in immune function that are secondary to alcohol use. In this report, we analyse how the gene "TRAF family member-associated NF-κB activator" (TANK) affects alcohol drinking behavior. Based on our recent discovery in a large GWAS dataset that suggested an association of TANK, SNP rs197273, with alcohol drinking, we report that SNP rs197273 in TANK is associated both with gene expression (P = 1.16 × 10-19) and regional methylation (P = 5.90 × 10-25). A tank knock out mouse model suggests a role of TANK in alcohol drinking, anxiety-related behavior, as well as alcohol exposure induced activation of insular cortex NF-κB. Functional and structural neuroimaging studies among up to 1896 adolescents reveal that TANK is involved in the control of brain activity in areas of aversive interoceptive processing, including the insular cortex, but not in areas related to reinforcement, reward processing or impulsiveness. Our findings suggest that the cortical neuroimmune regulator TANK is associated with enhanced aversive emotional processing that better protects from the establishment of alcohol drinking behavior.
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Affiliation(s)
- Christian P Müller
- Section of Addiction Medicine, Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, Erlangen, Germany
| | - Congying Chu
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - Liya Qin
- Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill NC, USA
| | - Chunyu Liu
- The Framingham Heart Study, 73 Mt Wayte Ave, Framingham MA, USA
- The Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, Bethesda MD, USA
- Boston University School of Public Health, 715 Albany St, Boston MA, USA
| | - Bing Xu
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - He Gao
- Department of Epidemiology and Biostatistics, MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, London, UK
| | - Barbara Ruggeri
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - Saskia Hieber
- Section of Addiction Medicine, Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, Erlangen, Germany
| | - Julia Schneider
- Institute for Biochemistry and Molecular Medicine, Friedrich-Alexander-University Erlangen-Nuremberg, Fahrstrasse 17, Erlangen, Germany
| | - Tianye Jia
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - Nicole Tay
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - Shizuo Akira
- Laboratory of Host Defense, World Premier International Immunology Frontiern Research Center, Research Institute for Microbial Diseases, Osaka University, 1-1 Yamadaoka, Suita, Osaka, Osaka, Japan
| | - Takashi Satoh
- Laboratory of Host Defense, World Premier International Immunology Frontiern Research Center, Research Institute for Microbial Diseases, Osaka University, 1-1 Yamadaoka, Suita, Osaka, Osaka, Japan
| | - Tobias Banaschewski
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, Mannheim, Germany
| | - Arun L W Bokde
- Discipline of Psychiatry, School of Medicine and Trinity College Institute of Neuroscience, Trinity College Dublin, James's Street, Dublin, Ireland
| | - Uli Bromberg
- University Medical Centre Hamburg-Eppendorf, House W34, 3.OG, Martinistr. 52, Hamburg, Germany
| | - Christian Büchel
- University Medical Centre Hamburg-Eppendorf, House W34, 3.OG, Martinistr. 52, Hamburg, Germany
| | - Erin Burke Quinlan
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - Herta Flor
- Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, Mannheim, Germany
- Department of Psychology, School of Social Sciences, University of Mannheim, Mannheim, Germany
| | - Vincent Frouin
- NeuroSpin, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
| | - Hugh Garavan
- Departments of Psychiatry and Psychology, University of Vermont, Burlington, VT, USA
| | - Penny Gowland
- Sir Peter Mansfield Imaging Centre School of Physics and Astronomy, University of Nottingham, University Park, Nottingham, UK
| | - Andreas Heinz
- Department of Psychiatry and Psychotherapy, Campus Charité Mitte, Charité, Universitätsmedizin Berlin, Charitéplatz 1, Berlin, Germany
| | - Bernd Ittermann
- Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany [ Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2—12, Berlin, Germany]
| | - Jean-Luc Martinot
- Institut National de la Santé et de la Recherche Médicale, INSERM Unit 1000 “Neuroimaging & Psychiatry”, University Paris Sud—University Paris Saclay, DIGITEO Labs, Rue Noetzlin, Gif sur Yvette, France
| | - Marie-Laure Paillère Martinot
- Institut National de la Santé et de la Recherche Médicale, INSERM Unit 1000 “Neuroimaging & Psychiatry”, University Paris Sud—Paris Saclay, University Paris Descartes; and AP-HP, Department of Child and Adolescent Psychiatry, Pitié-Salpêtrière Hospital, 47-83, boulevard de l'Hôpital, Paris, France
| | - Eric Artiges
- Institut National de la Santé et de la Recherche Médicale, INSERM Unit 1000 “Neuroimaging & Psychiatry”, University Paris Sud—University Paris Saclay, DIGITEO Labs, Gif sur Yvette; and Psychiatry Department, Orsay Hospital, Orsay, France
| | - Herve Lemaitre
- Institut National de la Santé et de la Recherche Médicale, INSERM Unit 1000 “Neuroimaging & Psychiatry”, University Paris-Sud Medical School, France
| | - Frauke Nees
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, Mannheim, Germany
- Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, Mannheim, Germany
| | | | - Tomáš Paus
- Rotman Research Institute, Baycrest and Departments of Psychology and Psychiatry, University of Toronto, 3560 Bathurst Street, Toronto, Ontario, Canada
| | - Luise Poustka
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Medical Centre Göttingen, von-Siebold-Str. 5, Göttingen, Germany
- Clinic for Child and Adolescent Psychiatry, Medical University of Vienna, Währinger Gürtel 18-20, Vienna, Austria
| | - Sabina Millenet
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, J5, Mannheim, Germany
| | - Juliane H Fröhner
- Department of Psychiatry and Neuroimaging Center, Technische Universität Dresden, Chemnitzer Str. 46a01187 Dresden, Germany
| | - Michael N Smolka
- Department of Psychiatry and Neuroimaging Center, Technische Universität Dresden, Chemnitzer Str. 46a01187 Dresden, Germany
| | - Henrik Walter
- Department of Psychiatry and Psychotherapy, Campus Charité Mitte, Charité, Universitätsmedizin Berlin, Charitéplatz 1, Berlin, Germany
| | - Robert Whelan
- School of Psychology and Global Brain Health Institute, Aras an Phiarsaigh Trinity College Dublin, Dublin, Ireland
| | - Georgy Bakalkin
- Division of Biological Research on Drug Dependence, Department of Pharmaceutical, Biosciences, Uppsala University, Husargatan 3, Uppsala, Sweden
| | - Yun Liu
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education; Department of Biochemistry and Molecular Biology, Fudan University Shanghai Medical College, Shanghai, P.R. China
| | - Sylvane Desrivières
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
| | - Paul Elliott
- Department of Epidemiology and Biostatistics, MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, London, UK
| | - Volker Eulenburg
- Institute for Biochemistry and Molecular Medicine, Friedrich-Alexander-University Erlangen-Nuremberg, Fahrstrasse 17, Erlangen, Germany
- Department of Anaesthesiology and Intensive Care Medicine, University of Leipzig, Liebigstrasse 20, Leipzig, Germany
| | - Daniel Levy
- The Framingham Heart Study, 73 Mt Wayte Ave, Framingham MA, USA
- The Population Sciences Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, Bethesda MD, USA
| | - Fulton Crews
- Bowles Center for Alcohol Studies, School of Medicine, University of North Carolina, Chapel Hill NC, USA
| | - Gunter Schumann
- Centre for Population Neuroscience and Stratified Medicine (PONS) and MRC-SGDP Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College De Crespigny Park, London, UK
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Abstract
AbstractBorsboom and colleagues argue that reductionism in psychopathology research has not provided the expected insights. Instead, they suggest a systems approach of interacting syndromes, which, however, falls short of a perspective for empirical testing. Here, a combination of both approaches is suggested: a reductionistic empirical approach allowing testability, synergistic with a constructivistic systems appraisal of syndrome networks – a constructive reductionism.
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