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Heinen D, Heissel A, Heinzel S, Fydrich T, Ströhle A, Rapp MA, Vogel H. Effect of acute and long-term exercise on leptin levels in depressed outpatients. BMC Public Health 2023; 23:2509. [PMID: 38098007 PMCID: PMC10722655 DOI: 10.1186/s12889-023-17362-4] [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: 05/25/2023] [Accepted: 11/28/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Depression is a leading cause of disability worldwide and a significant contributor to the global burden of disease. Altered leptin levels are known to be associated with depressive symptoms, however discrepancies in the results of increased or decreased levels exist. Due to various limitations associated with commonly used antidepressant drugs, alternatives such as exercise therapy are gaining more importance. Therefore, the current study investigates whether depressed patients have higher leptin levels compared to healthy controls and if exercise is efficient to reduce these levels. METHODS Leptin levels of 105 participants with major depressive disorder (MDD; 45.7% female, age mean ± SEM: 39.1 ± 1.0) and 34 healthy controls (HC; 61.8% female, age mean ± SEM: 36.0 ± 2.0) were measured before and after a bicycle ergometer test. Additionally, the MDD group was separated into three groups: two endurance exercise intervention groups (EX) differing in their intensities, and a waiting list control group (WL). Leptin levels were measured pre and post a 12-week exercise intervention or the waiting period. RESULTS Baseline data showed no significant differences in leptin levels between the MDD and HC groups. As expected, correlation analyses displayed significant relations between leptin levels and body weight (HC: r = 0.474, p = 0.005; MDD: r = 0.198, p = 0.043) and even more with body fat content (HC: r = 0.755, p < 0.001; MDD: r = 0.675, p < 0.001). The acute effect of the bicycle ergometer test and the 12-week training intervention showed no significant changes in circulating leptin levels. CONCLUSION Leptin levels were not altered in patients with major depression compared to healthy controls and exercise, both the acute response and after 12 weeks of endurance training, had no effect on the change in leptin levels. TRIAL REGISTRATION The study was registered at the German register for clinical studies (DRKS) and the International Clinical Trials Registry Platform of the World Health Organization https://trialsearch.who.int/Trial2.aspx?TrialID=DRKS00008869 on 28/07/2015.
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Affiliation(s)
- Darlene Heinen
- Social- and Preventive Medicine, Department of Exercise and Health Sciences, University of Potsdam, Potsdam, Germany
- Research Group Molecular and Clinical Life Science of Metabolic Diseases, Faculty of Health Sciences Brandenburg, University of Potsdam, Potsdam, Germany
| | - Andreas Heissel
- Social- and Preventive Medicine, Department of Sports and Health Sciences, Intra-Faculty Unit Cognitive Sciences, Faculty of Human Science, and Faculty of Health Sciences Brandenburg, Research Area Services Research and E-Health, University of Potsdam, Potsdam, Germany
- Sport-Gesundheitspark Berlin E.V./Zentrum Für Sportmedizin, Berlin, Germany
| | - Stephan Heinzel
- Clinical Psychology and Psychotherapy, Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
- Institute of Psychology, Department of Educational Sciences and Psychology, TU Dortmund University, Dortmund, Deutschland
| | - Thomas Fydrich
- Department of Psychiatry and Psychotherapy, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Andreas Ströhle
- Department of Psychology, Humboldt University Berlin, Berlin, Germany
| | - Michael A Rapp
- Social- and Preventive Medicine, Department of Sports and Health Sciences, Intra-Faculty Unit Cognitive Sciences, Faculty of Human Science, and Faculty of Health Sciences Brandenburg, Research Area Services Research and E-Health, University of Potsdam, Potsdam, Germany
| | - Heike Vogel
- Research Group Molecular and Clinical Life Science of Metabolic Diseases, Faculty of Health Sciences Brandenburg, University of Potsdam, Potsdam, Germany.
- Research Group Genetics of Obesity, German Institute of Human Nutrition Potsdam-Rehbruecke, Potsdam, Germany.
- German Center for Diabetes Research (DZD), Munich-Neuherberg, 85764, München, Germany.
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Lechner K, Heel S, Uhr M, Dose T, Holsboer F, Lucae S, Schaaf L, Fulda S, Kloiber S, Hennings JM. Weight-gain independent effect of mirtazapine on fasting plasma lipids in healthy men. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:1999-2008. [PMID: 36890393 PMCID: PMC10409833 DOI: 10.1007/s00210-023-02448-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 02/23/2023] [Indexed: 03/10/2023]
Abstract
Treatment with mirtazapine, a widely prescribed antidepressant, has been linked to weight gain and dyslipidemia. Whether dyslipidemia occurs secondary to increased appetite due to antidepressant treatment, or due to direct pharmacological effects of mirtazapine is unknown. The aim of this analysis is to complement our previously published results of the effect of mirtazapine on metabolism and energy substrate partitioning from a proof-of-concept, open-label clinical study (ClinicalTrials.gov NCT00878540) in 12 healthy males (20-25 years). We report the effect of a seven-day administration of mirtazapine 30 mg per day on weight and lipid metabolism in healthy men under highly standardized conditions with respect to diet, physical activity and day-night-rhythm and under continuous clinical observation. After a 7-day administration of mirtazapine 30 mg, we observed a statistically significant increase in triglyceride levels (mean change + 4.4 mg/dl; 95% CI [- 11.4; 2.6]; p = 0.044) as well as TG/HDL-C ratio (mean change + 0.2; 95% CI [- 0.4; 0.1]; p = 0.019) and a decrease in HDL-cholesterol (mean change - 4.3 mg/dl; 95% CI [2.1; 6.5]; p = 0.004), LDL-cholesterol (mean change - 8.7 mg/dl; 95% CI [3.8; 13.5]; p = 0.008), total cholesterol (mean change - 12.3 mg/dl; 95% CI [5.4; 19.1]; p = 0.005), and non-HDL-C (mean change - 8.0 mg/dl; 95% CI [1.9; 14.0]; p = 0.023). Notably, weight (mean change - 0.6 kg; 95% CI [0.4; 0.8]; p = 0.002) and BMI (mean change - 0.2; 95% CI [0.1; 0.2]; p = 0.002) significantly decreased. No change in waist circumference (mean change - 0.4 cm; 95% CI [- 2.1; 2.9]; p = 0.838) or waist-to-hip-ratio (mean change 0.0; 95% CI [- 0.0; 0.0]; p = 0.814) was observed. This is the first study showing unfavorable changes in lipid metabolism under mirtazapine in healthy individuals despite highly standardized conditions including dietary restriction, and despite the observation of a decrease of weight. Our findings support the hypothesis that mirtazapine has direct pharmacological effects on lipid metabolism. ClinicalTrials.gov: NCT00878540.
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Affiliation(s)
- Katharina Lechner
- Max Planck Institute of Psychiatry, Munich, Germany
- Department of Cardiology, German Heart Centre Munich, Technical University Munich, Munich, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich, Munich Heart Alliance, Munich, Germany
| | - Sarah Heel
- Max Planck Institute of Psychiatry, Munich, Germany
| | - Manfred Uhr
- Max Planck Institute of Psychiatry, Munich, Germany
| | - Tatjana Dose
- Max Planck Institute of Psychiatry, Munich, Germany
| | | | | | - Ludwig Schaaf
- Clinic for Neuroendocrinology and Andrology, Max Planck Institute of Psychiatry, Munich, Germany
| | - Stephany Fulda
- Max Planck Institute of Psychiatry, Munich, Germany
- Neurocenter of Southern Switzerland, EOC, Lugano, Switzerland
| | - Stefan Kloiber
- Max Planck Institute of Psychiatry, Munich, Germany
- Centre for Addiction and Mental Health, Campbell Family Mental Health Research Institute, Toronto, ON, Canada
- Department of Psychiatry, Institute of Medical Science, Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | - Johannes M Hennings
- Max Planck Institute of Psychiatry, Munich, Germany.
- Department of Dialectical Behavioral Therapy, Kbo-Isar-Amper-Klinikum München-Ost, Vockestraße 72 85540, Haar/Munich, Germany.
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3
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Almeida OLS, Ferriolli E, Taveira RCC, Rosenburg MG, Campanari DD, da Cruz Alves NM, Pfrimer K, Rapatoni L, Peria FM, Lima NKC. Mirtazapine versus Megestrol in the Treatment of Anorexia-Cachexia Syndrome in Patients with Advanced Cancer: A Randomized, Double-Blind, Controlled Phase II Clinical Trial. Cancers (Basel) 2023; 15:3588. [PMID: 37509249 PMCID: PMC10377007 DOI: 10.3390/cancers15143588] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
This study compared mirtazapine with megestrol in the management of cancer-related anorexia-cachexia syndrome in patients with advanced cancer. A randomized, double-blind, controlled clinical trial involving patients with advanced cancer and anorexia-cachexia syndrome was performed. Participants received mirtazapine 30 mg/day or megestrol 320 mg/day for eight weeks. The primary endpoint was the effect of mirtazapine on weight gain and the secondary endpoints were its effect on appetite, muscle strength, physical performance, body composition, adverse events, and medication adherence. Linear regression model with mixed effects was applied and a significance level of 5% was adopted. Fifty-two patients were randomized. Mean age was 65.8 ± 8.4 years. There was weight gain in 52% of the participants in the megestrol group and in 38% in the mirtazapine group after four weeks (p = 0.040). Appetite improved in 92% of the participants in the megestrol group and in 56% in the mirtazapine group after eight weeks (p = 0.007). In the sub-analysis by sex, women showed improvement in appetite (p < 0.001) and weight gain (p < 0.005) in the mirtazapine group, which was not observed in men. Mirtazapine appears to be inferior to megestrol in weight and appetite improvement. However, there may be a difference in the therapeutic response between sexes.
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Affiliation(s)
- Olga Laura Sena Almeida
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Eduardo Ferriolli
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Roberta Cristina Cintra Taveira
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Meire Gallo Rosenburg
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Daniela Dalpubel Campanari
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Natália Maira da Cruz Alves
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Karina Pfrimer
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Liane Rapatoni
- Department of Medical Imaging, Hematology and Clinical Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Fernanda Maris Peria
- Department of Medical Imaging, Hematology and Clinical Oncology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Nereida K C Lima
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
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Strumila R, Nobile B, Korsakova L, Lengvenyte A, Olie E, Lopez-Castroman J, Guillaume S, Courtet P. Psilocybin, a Naturally Occurring Indoleamine Compound, Could Be Useful to Prevent Suicidal Behaviors. Pharmaceuticals (Basel) 2021; 14:ph14121213. [PMID: 34959614 PMCID: PMC8704767 DOI: 10.3390/ph14121213] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 12/24/2022] Open
Abstract
The available interventions for people who are at risk of suicide have limited efficacy. Recently, research on new mental health treatments has started to consider psychedelic compounds, particularly psilocybin, a molecule with a few thousand years of history of use in human societies. The possible effects of psilocybin on suicidal ideation and behaviors have not been specifically studied yet; however, the current knowledge on the suicidal process and the available data on es/ketamine suggest that psylocibin could be used to modulate the thoughts and behavioral patterns in individuals who are at risk of suicidal behaviors. Here, we summarize the available evidence on the possible mechanisms underlying psilocybin positive effects on suicide risk. Major pathways related to suicidal behaviors that might be modulated by psylocibin include serotonin receptors. Specifically, psylocibin directly stimulates the serotonin 2A receptor (5HT2A), targeting the inflammatory and oxidative stress pathways and leading to a rapid increase in brain plasticity and inflammation suppression and increases in cognitive flexibility, spirituality, and empathy. We also present preliminary epidemiological data and provide a rationale for studying psilocybin in individuals with suicidal ideation or who are at risk of suicidal behaviors. This review presents a framework to understand the basis for psilocybin use in individuals who are at risk of suicidal behaviors and calls for clinical studies.
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Affiliation(s)
- Robertas Strumila
- Department of Urgent and Post Urgent Psychiatry, CHU Montpellier, 34000 Montpellier, France; (A.L.); (E.O.); (S.G.); (P.C.)
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
- Psychiatric Clinic, Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, LT-03101 Vilnius, Lithuania
- Correspondence: (R.S.); (B.N.)
| | - Bénédicte Nobile
- Department of Urgent and Post Urgent Psychiatry, CHU Montpellier, 34000 Montpellier, France; (A.L.); (E.O.); (S.G.); (P.C.)
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
- Correspondence: (R.S.); (B.N.)
| | - Laura Korsakova
- Laboratory of Preclinical Drug Investigation, Institute of Cardiology, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania;
| | - Aiste Lengvenyte
- Department of Urgent and Post Urgent Psychiatry, CHU Montpellier, 34000 Montpellier, France; (A.L.); (E.O.); (S.G.); (P.C.)
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
| | - Emilie Olie
- Department of Urgent and Post Urgent Psychiatry, CHU Montpellier, 34000 Montpellier, France; (A.L.); (E.O.); (S.G.); (P.C.)
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
| | - Jorge Lopez-Castroman
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
- Department of Adult Psychiatry, Nimes University Hospital, 44307 Nimes, France
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), 28001 Madrid, Spain
| | - Sébastien Guillaume
- Department of Urgent and Post Urgent Psychiatry, CHU Montpellier, 34000 Montpellier, France; (A.L.); (E.O.); (S.G.); (P.C.)
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
| | - Philippe Courtet
- Department of Urgent and Post Urgent Psychiatry, CHU Montpellier, 34000 Montpellier, France; (A.L.); (E.O.); (S.G.); (P.C.)
- Institute of Functional Genomics, CNRS, INSERM, University of Montpellier, 34295 Montpellier, France;
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Fernandes BM, Scotti-Muzzi E, Soeiro-de-Souza MG. Effects of antidepressant drug therapy with or without physical exercise on inflammatory biomarkers in major depressive disorder: a systematic review and meta-analysis of randomized controlled trials. Eur J Clin Pharmacol 2021; 78:339-349. [PMID: 34708271 DOI: 10.1007/s00228-021-03240-8] [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: 04/09/2021] [Accepted: 10/19/2021] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To conduct a systematic review and meta-analysis of the effects of antidepressant drug therapy (with or without physical exercise) on peripheral inflammatory markers in patients with major depressive disorder (MDD). METHODS MEDLINE, PyscINFO, Embase, and Google Scholar databases were searched until May 2020. Randomized trials that measured at least one inflammatory biomarker and included adult outpatients with MDD under antidepressant drug therapy (any drug) with or without physical exercise (any modality) were eligible. Results were summarized using the standardized mean difference (SMD) with 95% confidence intervals (95% CI) under a random-effects model. The Cochrane risk of bias tool (2010) was used to evaluate the risk of bias in the included trials. RESULTS Sixty-three trials were identified, encompassing data from 3482 patients, and 20 investigated biomarkers. Trials had biases across multiple domains, rising concerns primarily to selection bias/performance bias/detection bias/attrition bias. SMDs between pre- and post-results indicated a significant reduction in the levels of IL-2 (SMD, - 0.25; 95% CI, - 0.41 to - 0.09, P = 0.002), IL-6 (SMD, - 0.19; 95% CI, - 0.35 to - 0.025, P = 0.024), IL-10 (SMD, - 0.32; 95% CI, - 0.57 to - 0.07, P = 0.011), and serum cortisol (SMD, - 0.35; 95% CI, - 0.58 to - 0.12, P = 0.002). Evidence supporting the influence of physical exercise combined with antidepressant drugs on peripheral inflammatory markers in MDD is sparse and heterogeneous. CONCLUSION There is some evidence that antidepressant drug therapy is associated with an overall positive reduction in inflammatory markers, but the evidence is heterogeneous. Further research linking how inflammatory biomarkers modulate physiology related to antidepressant response is required. TRIAL REGISTRATION CRD42020220735.
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Affiliation(s)
- Beatriz Monteiro Fernandes
- Department and Institute of Psychiatry, Hospital das Cllínicas, School of Medicine, University of São Paulo (IPq HC-FMUSP), Dr. Ovidio Pires de Campos s/n, São Paulo, 05403-010, Brazil.
| | - Estêvão Scotti-Muzzi
- Department and Institute of Psychiatry, Hospital das Cllínicas, School of Medicine, University of São Paulo (IPq HC-FMUSP), Dr. Ovidio Pires de Campos s/n, São Paulo, 05403-010, Brazil
| | - Márcio Gerhardt Soeiro-de-Souza
- Department and Institute of Psychiatry, Hospital das Cllínicas, School of Medicine, University of São Paulo (IPq HC-FMUSP), Dr. Ovidio Pires de Campos s/n, São Paulo, 05403-010, Brazil
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Lee J, Chi S, Lee MS. Molecular Biomarkers for Pediatric Depressive Disorders: A Narrative Review. Int J Mol Sci 2021; 22:ijms221810051. [PMID: 34576215 PMCID: PMC8464852 DOI: 10.3390/ijms221810051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/05/2021] [Accepted: 09/14/2021] [Indexed: 01/31/2023] Open
Abstract
Depressive disorder in childhood and adolescence is a highly prevalent mood disorder that tends to recur throughout life. Untreated mood disorders can adversely impact a patient’s quality of life and cause socioeconomic loss. Thus, an accurate diagnosis and appropriate treatment is crucial. However, until now, diagnoses and treatments were conducted according to clinical symptoms. Objective and biological validation is lacking. This may result in a poor outcome for patients with depressive disorder. Research has been conducted to identify the biomarkers that are related to depressive disorder. Cumulative evidence has revealed that certain immunologic biomarkers including brain-derived neurotrophic factor (BDNF) and cytokines, gastrointestinal biomarkers, hormones, oxidative stress, and certain hypothalamus-pituitary axis biomarkers are associated with depressive disorder. This article reviews the biomarkers related to the diagnosis and treatment of pediatric depressive disorders. To date, clinical biomarker tests are not yet available for diagnosis or for the prediction of treatment prognosis. However, cytokines such as Interleukin-2, interferon-gamma, tumor necrosis factor-alpha, and BDNF have shown significant results in previous studies of pediatric depressive disorder. These biomarkers have the potential to be used for diagnosis, prognostic assessment, and group screening for those at high risk.
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Affiliation(s)
- Jongha Lee
- Department of Psychiatry, Korea University Ansan Hospital, Ansan 15355, Korea;
| | - Suhyuk Chi
- Department of Psychiatry, Korea University Guro Hospital, Seoul 08308, Korea;
| | - Moon-Soo Lee
- Department of Psychiatry, Korea University Guro Hospital, Seoul 08308, Korea;
- Correspondence: ; Tel.: +82-2-2626-3163; Fax: +82-2-852-1937
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Keeler JL, Patsalos O, Chung R, Schmidt U, Breen G, Treasure J, Himmerich H, Dalton B. Reduced MIP-1β as a Trait Marker and Reduced IL-7 and IL-12 as State Markers of Anorexia Nervosa. J Pers Med 2021; 11:jpm11080814. [PMID: 34442458 PMCID: PMC8399452 DOI: 10.3390/jpm11080814] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/26/2022] Open
Abstract
Alterations in certain inflammatory markers have been found in individuals with anorexia nervosa (AN). However, their relation to clinical characteristics has not been extensively explored, nor is it clear whether they are trait or state features of the disorder. This cross-sectional study measured serum concentrations of 36 inflammatory markers in people with acute AN (n = 56), recovered AN (rec-AN; n = 24) and healthy controls (HC; n = 51). The relationship between body mass index (BMI), eating disorder psychopathology, depression symptoms and inflammatory markers was assessed. Statistical models controlled for variables known to influence cytokine concentrations (i.e., age, ethnicity, smoking status and medication usage). Overall, most inflammatory markers including pro-inflammatory cytokines were unchanged in AN and rec-AN. However, in AN and rec-AN, concentrations of macrophage inflammatory protein (MIP)-1β were lower than HCs. Interleukin (IL)-7 and IL-12/IL-23p40 were reduced in AN, and concentrations of macrophage-derived chemokine, MIP-1α and tumor necrosis factor-α were reduced in rec-AN compared to HC. In conclusion, a reduction in MIP-1β may be a trait marker of the illness, whereas reductions in IL-7 and IL-12/IL-23p40 may be state markers. The absence of increased pro-inflammatory cytokines in AN is contradictory to the wider literature, although the inclusion of covariates may explain our differing findings.
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Affiliation(s)
- Johanna Louise Keeler
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (O.P.); (U.S.); (J.T.); (H.H.); (B.D.)
- Correspondence: ; Tel.: +44-(0)20-7848-0187
| | - Olivia Patsalos
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (O.P.); (U.S.); (J.T.); (H.H.); (B.D.)
| | - Raymond Chung
- MRC Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (R.C.); (G.B.)
| | - Ulrike Schmidt
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (O.P.); (U.S.); (J.T.); (H.H.); (B.D.)
- South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Monks Orchard Road, Beckenham, Kent BR3 3BX, UK
| | - Gerome Breen
- MRC Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (R.C.); (G.B.)
| | - Janet Treasure
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (O.P.); (U.S.); (J.T.); (H.H.); (B.D.)
- South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Monks Orchard Road, Beckenham, Kent BR3 3BX, UK
| | - Hubertus Himmerich
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (O.P.); (U.S.); (J.T.); (H.H.); (B.D.)
- South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Monks Orchard Road, Beckenham, Kent BR3 3BX, UK
| | - Bethan Dalton
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AF, UK; (O.P.); (U.S.); (J.T.); (H.H.); (B.D.)
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Gomes-da-Costa S, Marx W, Corponi F, Anmella G, Murru A, Pons-Cabrera MT, Giménez-Palomo A, Gutiérrez-Arango F, Llach CD, Fico G, Kotzalidis GD, Verdolini N, Valentí M, Berk M, Vieta E, Pacchiarotti I. Lithium therapy and weight change in people with bipolar disorder: A systematic review and meta-analysis. Neurosci Biobehav Rev 2021; 134:104266. [PMID: 34265322 DOI: 10.1016/j.neubiorev.2021.07.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/09/2021] [Accepted: 07/10/2021] [Indexed: 01/13/2023]
Abstract
Lithium remains the gold standard maintenance treatment for Bipolar Disorder (BD). However, weight gain is a side effect of increasing relevance due to its metabolic implications. We conducted a systematic review and meta-analysis aimed at summarizing evidence on the use of lithium and weight change in BD. We followed the PRISMA methodology, searching Pubmed, Scopus and Web of Science. From 1003 screened references, 20 studies were included in the systematic review and 9 included in the meta-analysis. In line with the studies included in the systematic review, the meta-analysis revealed that weight gain with lithium was not significant, noting a weight increase of 0.462 Kg (p = 0158). A shorter duration of treatment was significantly associated with more weight gain. Compared to placebo, there were no significant differences in weight gain. Weight gain was significantly lower with lithium than with active comparators. This work reveals a low impact of lithium on weight change, especially compared to some of the most widely used active comparators. Our results could impact clinical decisions.
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Affiliation(s)
- Susana Gomes-da-Costa
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Wolfgang Marx
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Filippo Corponi
- School of Informatics, University of Edinburgh, Edinburgh, United Kingdom
| | - Gerard Anmella
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Andrea Murru
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Maria Teresa Pons-Cabrera
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Anna Giménez-Palomo
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Felipe Gutiérrez-Arango
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Cristian Daniel Llach
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Giovanna Fico
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Georgios D Kotzalidis
- Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sapienza University of Rome, School of Medicine and Psychology, Sant'Andrea University Hospital, Via di Grottarossa 1035-1039, 00189, Rome, Italy
| | - Norma Verdolini
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Marc Valentí
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
| | - Michael Berk
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Eduard Vieta
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain.
| | - Isabella Pacchiarotti
- Bipolar and Depressive Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, 170 Villarroel St, 12-0, 08036, Barcelona, Spain
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9
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Nedic Erjavec G, Sagud M, Nikolac Perkovic M, Svob Strac D, Konjevod M, Tudor L, Uzun S, Pivac N. Depression: Biological markers and treatment. Prog Neuropsychopharmacol Biol Psychiatry 2021; 105:110139. [PMID: 33068682 DOI: 10.1016/j.pnpbp.2020.110139] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/06/2020] [Accepted: 10/10/2020] [Indexed: 12/14/2022]
Abstract
Nowadays depression is considered as a systemic illness with different biological mechanisms involved in its etiology, including inflammatory response, hypothalamic-pituitary-adrenal (HPA) axis dysregulation and neurotransmitter and neurotrophic systems imbalance. Novel "omics" approaches, such as metabolomics and glycomics provide information about altered metabolic pathways and metabolites, as well as disturbances in glycosylation processes affected by or causing the development of depression. The clinical diagnosis of depression continues to be established based on the presence of the specific symptoms, but due to its heterogeneous underlying biological background, that differs according to the disease stage, there is an unmet need for treatment response biomarkers which would facilitate the process of appropriate treatment selection. This paper provides an overview of the role of major stress response system, the HPA axis, and its dysregulation in depression, possible involvement of neurotrophins, especially brain-derived neurotrophic factor, glial cell line-derived neurotrophic factor and insulin-like growth factor-1, in the development of depression. Article discusses how activated inflammation processes and increased cytokine levels, as well as disturbed neurotransmitter systems can contribute to different stages of depression and could specific metabolomic and glycomic species be considered as potential biomarkers of depression. The second part of the paper includes the most recent findings about available medical treatment of depression. The described biological factors impose an optimistic conclusion that they could represent easy obtainable biomarkers potentially predicting more personalized treatment and diagnostic options.
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Affiliation(s)
- Gordana Nedic Erjavec
- Rudjer Boskovic Institute, Division of Molecular Medicine, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Marina Sagud
- The University of Zagreb School of Medicine, Salata 3, 10000 Zagreb, Croatia; University Hospital Center Zagreb, Department of Psychiatry, Kispaticeva 12, 10000 Zagreb, Croatia
| | - Matea Nikolac Perkovic
- Rudjer Boskovic Institute, Division of Molecular Medicine, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Dubravka Svob Strac
- Rudjer Boskovic Institute, Division of Molecular Medicine, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Marcela Konjevod
- Rudjer Boskovic Institute, Division of Molecular Medicine, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Lucija Tudor
- Rudjer Boskovic Institute, Division of Molecular Medicine, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Sandra Uzun
- University Hospital Center Zagreb, Department for Anesthesiology, Reanimatology, and Intensive Care, Kispaticeva 12, 10000 Zagreb, Croatia
| | - Nela Pivac
- Rudjer Boskovic Institute, Division of Molecular Medicine, Bijenicka cesta 54, 10000 Zagreb, Croatia.
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10
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Personalized Medicine Using Neuroimmunological Biomarkers in Depressive Disorders. J Pers Med 2021; 11:jpm11020114. [PMID: 33578686 PMCID: PMC7916349 DOI: 10.3390/jpm11020114] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/08/2021] [Accepted: 02/08/2021] [Indexed: 02/07/2023] Open
Abstract
Major depressive disorder (MDD) is associated with increased suicidal risk and reduced productivity at work. Neuroimmunology, the study of the immune system and nervous system, provides further insight into the pathogenesis and outcome of MDD. Cytokines are the main modulators of neuroimmunology, and their levels are somewhat entangled in depressive disorders as they affect depressive symptoms and are affected by antidepressant treatment. The use of cytokine-derived medication as a treatment option for MDD is currently a topic of interest. Although not very promising, cytokines are also considered as possible prognostic or diagnostic markers for depression. The machine learning approach is a powerful tool for pattern recognition and has been used in psychiatry for finding useful patterns in data that have translational meaning and can be incorporated in daily clinical practice. This review focuses on the current knowledge of neuroimmunology and depression and the possible use of machine learning to widen our understanding of the topic.
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11
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Campara M, Lourenco LM, Melaragno JI, Kaiser TE. Implications for body weight extremes in solid organ transplantation. Pharmacotherapy 2021; 41:44-58. [PMID: 33301647 DOI: 10.1002/phar.2493] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/19/2020] [Accepted: 12/01/2020] [Indexed: 12/17/2022]
Abstract
The pharmacokinetic profiles of medications are altered in overweight and underweight patients, but few studies have described these differences in patients with body mass index extremes. As solid organ transplant programs expand their candidate selection criteria to accommodate a growing population of patients with weight extremes, it has become imperative to understand and evaluate the impact weight extremes have on the pharmacokinetics of life-sustaining immunosuppression in this population. This review will describe pharmacokinetic and dosing considerations for weight extremes in solid organ transplant recipients, including changes following bariatric surgeries, non-pharmacologic and pharmacologic management strategies for weight loss and gain, and potential drug-drug interactions with popular weight management products.
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Affiliation(s)
- Maya Campara
- Department of Pharmacy Practice, University of Illinois at Chicago, Chicago, IL, 60612, USA
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12
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Saleem U, Zubair S, Riaz A, Anwar F, Ahmad B. Effect of Venlafaxine, Pramipexole, and Valsartan on Spermatogenesis in Male Rats. ACS OMEGA 2020; 5:20481-20490. [PMID: 32832801 PMCID: PMC7439459 DOI: 10.1021/acsomega.0c02587] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 07/23/2020] [Indexed: 05/04/2023]
Abstract
The study's aim was to explore the effect of venlafaxine, valsartan, and pramipexole on spermatogenesis. It was hypothesized that these drugs may affect the male fertility because of their long-term use in treatment of depression, hypertension, and Parkinson's diseases. Male rats were given venlafaxine, valsartan, and pramipexole at low- and high-dose levels orally once daily for 10 weeks. Testosterone (25 mg/kg) was given as a standard via an intramuscular route once weekly. Rats were sacrificed after blood collection by cardiac puncture, and testes were removed. Sperm parameters were examined from spermatozoa of the cauda epididymis, and testes were treated for histopathological analysis. Results showed nonsignificant effect of venlafaxine on the sperm count, whereas a decreased sperm count was noted in all the treatment groups as compared to that of the control except valsartan at a low dose, which significantly (p < 0.001) raised the sperm count (96.26 ± 2.4) in reference with the control value (49.13 ± 2.3). Treatments had variable effects on total sperm motility and morphological parameters, but valsartan at a low dose showed maximum sperm motility (71.55 ± 0.7) among all. DNA integrity of spermatozoa remained intact in all groups. Luteinizing hormone and follicle-stimulating hormone levels decreased, and testosterone levels increased in all treatment groups as compared to control values, which indicate fertility. Histopathology revealed normal texture of testes with venlafaxine and valsartan, but testicular damage occurred with high-dose pramipexole. It is concluded that the use of venlafaxine, valsartan, and pramipexole at a low dose is devoid of any harmful effect on spermatogenesis, whereas pramipexole at a high dose adversely affect it.
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Affiliation(s)
- Uzma Saleem
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Govt. College University, Faisalabad 38000, Pakistan
- . Tel: +92-333 4904928
| | - Sidra Zubair
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University Lahore, Lahore 54000, Pakistan
| | - Amjad Riaz
- Department
of Theriogenology, University of Veterinary
and Animal Sciences, Lahore 54000, Pakistan
| | - Fareeha Anwar
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University Lahore, Lahore 54000, Pakistan
| | - Bashir Ahmad
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University Lahore, Lahore 54000, Pakistan
- . Tel: +92-336 4409575
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Mirtazapine Reduces Adipocyte Hypertrophy and Increases Glucose Transporter Expression in Obese Mice. Animals (Basel) 2020; 10:ani10081423. [PMID: 32824002 PMCID: PMC7459487 DOI: 10.3390/ani10081423] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/08/2020] [Accepted: 08/12/2020] [Indexed: 01/19/2023] Open
Abstract
Simple Summary Mirtazapine, a tetracyclic antidepressant, acts through noradrenergic and specific serotonergic systems. Consequently, it was recently applied in major depressive disorder treatment. Moreover, because mirtazapine may have effective glucose control function, its mechanism of action warrants further investigation. In our study, we examined how mirtazapine affects metabolic parameters, insulin profiles, glucose metabolism, and obesity changes in high-fat diet-fed C57BL6/J mice. Our results indicated that compared with untreated mice, mirtazapine-treated obese mice had lower insulin levels, daily food efficiency, body weight, serum triglyceride levels, aspartate aminotransferase levels, liver and epididymal fat pad weight, and fatty acid regulation marker expression. Moreover, the blood glucose levels and area under the curve for glucose levels observed over a 120 min assessment period were lower in the treated mice, but the insulin sensitivity and glucose transporter 4 expression levels were higher in these mice. They also demonstrated a considerable decrease in fatty liver scores and mean fat cell size in the epididymal white adipose tissue, paralleling adenosine monophosphate (AMP)-activated protein kinase expression activation. In conclusion, mirtazapine administration may alleviate type 2 diabetes mellitus with hyperglycemia. Abstract Metabolic syndrome is known to engender type 2 diabetes as well as some cardiac, cerebrovascular, and kidney diseases. Mirtazapine—an atypical second-generation antipsychotic drug with less severe side effects than atypical first-generation antipsychotics—may have positive effects on blood glucose levels and obesity. In our executed study, we treated male high-fat diet (HFD)-fed C57BL/6J mice with mirtazapine (10 mg/kg/day mirtazapine) for 4 weeks to understand its antiobesity effects. We noted these mice to exhibit lower insulin levels, daily food efficiency, body weight, serum triglyceride levels, aspartate aminotransferase levels, liver and epididymal fat pad weight, and fatty acid regulation marker expression when compared with their counterparts (i.e., HFD-fed control mice). Furthermore, we determined a considerable drop in fatty liver scores and mean fat cell size in the epididymal white adipose tissue in the treated mice, corresponding to AMP-activated protein kinase expression activation. Notably, the treated mice showed lower glucose tolerance and blood glucose levels, but higher glucose transporter 4 expression. Overall, the aforementioned findings signify that mirtazapine could reduce lipid accumulation and thus prevent HFD-induced increase in body weight. In conclusion, mirtazapine may be useful in body weight control and antihyperglycemia therapy.
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Himmerich H, Fulda S, Linseisen J, Seiler H, Wolfram G, Himmerich S, Gedrich K, Kloiber S, Lucae S, Ising M, Uhr M, Holsboer F, Pollmächer T. Depression, comorbidities and the TNF-α system. Eur Psychiatry 2020; 23:421-9. [DOI: 10.1016/j.eurpsy.2008.03.013] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2007] [Revised: 03/18/2008] [Accepted: 03/22/2008] [Indexed: 12/31/2022] Open
Abstract
AbstractDepression has frequently been reported to be associated with other physical diseases and changes in the cytokine system. We aimed to investigate associations between a medical history of depression, its comorbidities and cytokine plasma levels in the Bavarian Nutrition Survey II (BVS II) study sample and in patients suffering from an acute depressive episode.The BVS II is a representative study of the Bavarian population aged 13–80 years. The disease history of its 1050 participants was assessed through face-to-face interviews. A sub-sample of 568 subjects and 62 additional acutely depressed inpatients of the Max Planck Institute of Psychiatry participated in anthropometric measurements and blood sampling. Tumor necrosis factor-α (TNF-α) and soluble TNF receptor (sTNF-R) p55 and sTNF-R p75 plasma levels were measured using enzyme-linked immunosorbent assays.A history of depression was associated with a higher incidence of high blood pressure, peptic ulcer, dyslipoproteinemia, osteoporosis, allergic skin rash, atopic eczema and thyroid disease.Within the BVS II sample, participants with a history of depression differed from subjects who had never had depression with regard to sTNF-R p55 and sTNF-R p75 levels even when controlling for age, BMI and smoking status. Acutely depressed inpatients showed even higher levels of sTNF-R p55 and sTNF-R p75 than subjects in the normal population. TNF-α levels were also significantly elevated in acutely depressed patients.These results confirm earlier studies regarding the comorbidities of depression and support the hypothesis that activation of the TNF-α system may contribute to the development of a depressive disorder.
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15
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Himmerich H, Patsalos O, Lichtblau N, Ibrahim MAA, Dalton B. Cytokine Research in Depression: Principles, Challenges, and Open Questions. Front Psychiatry 2019; 10:30. [PMID: 30792669 PMCID: PMC6374304 DOI: 10.3389/fpsyt.2019.00030] [Citation(s) in RCA: 150] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 01/18/2019] [Indexed: 01/18/2023] Open
Abstract
Cytokines have been implicated in the pathology of depression. Currently, the evidence is based on cross-sectional studies and meta-analytic research comparing blood concentrations of T helper type 1 (TH1), T helper type 2 (TH2), pro-inflammatory or anti-inflammatory cytokines of patients with a depressive disorder to those of healthy controls. Additionally, multiple longitudinal studies have investigated cytokine levels during antidepressant treatment. According to the current literature, it seems that peripheral levels of interleukin (IL)-6, IL-10, IL-12, IL-13, and tumor necrosis factor (TNF)-α are elevated and that interferon (IFN)-γ levels are lower in patients with depression compared to healthy controls. However, the overlap of cytokine values between acutely depressed patients, remitted and recovered patients and healthy controls is considerable. Thus, the discriminative power of cytokine concentrations between depressed and non-depressed people is likely weak. Treatment with certain antidepressants appears to decrease peripheral levels of IL-6, IL-10, and TNF-α. However, weight gain-inducing psychopharmacological substances, such as the antidepressant mirtazapine, have been reported to potentially increase the production of pro-inflammatory cytokines. Even though cytokines are often discussed as biomarkers for depression, they have also been shown to be altered in other psychiatric disorders. Moreover, many environmental, social, psychological, biological, and medical factors are also associated with cytokine changes. Thus, cytokine alterations seem extremely unspecific. The interpretation of the results of these studies remains a challenge because it is unknown which type of cells are most responsible for cytokine changes measured in the blood nor have the main target cells or target tissues been identified. The same cytokine can be produced by multiple cell types, and the same cell can produce various cytokines. Additionally, redundancy, synergy, antagonism, and signaling cascades of cytokine signaling must be considered. Cytokines might not be associated with the diagnosis of depression according to the currently used diagnostic manuals, but rather with specific subtypes of depression, or with depressive symptoms across different psychiatric diagnoses. Therefore, the currently available diagnostic systems may not be the ideal starting point for psychiatric cytokine research.
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Affiliation(s)
- Hubertus Himmerich
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
- South London and Maudsley NHS Foundation Trust, London, United Kingdom
| | - Olivia Patsalos
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Nicole Lichtblau
- Maidstone and Tunbridge Wells NHS Trust, Maidstone, United Kingdom
| | - Mohammad A. A. Ibrahim
- Department of Clinical Immunological Medicine and Allergy, King's Health Partners, King's College Hospital, London, United Kingdom
| | - Bethan Dalton
- Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
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16
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Hennings JM, Heel S, Lechner K, Uhr M, Dose T, Schaaf L, Holsboer F, Lucae S, Fulda S, Kloiber S. Effect of mirtazapine on metabolism and energy substrate partitioning in healthy men. JCI Insight 2019; 4:123786. [PMID: 30626746 DOI: 10.1172/jci.insight.123786] [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: 07/24/2018] [Accepted: 11/29/2018] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Weight gain and metabolic changes during treatment with antidepressant drugs have emerged as an important concern, particularly in long-term treatment. It is still a matter of ongoing debate whether weight gain and metabolic perturbations with antidepressant use are the consequence of increased appetite and weight gain, respectively, or represents direct pharmacological effects of the drug on metabolism. METHODS We therefore conducted a proof-of-concept, open-label clinical trial, hypothesizing that in exceptionally healthy men no change of metabolic parameters would occur under mirtazapine, when environmental factors such as nutrition, sleep, and physical exercise were controlled and kept constant. Over a 3-week preparation phase, 10 healthy, young men were attuned to a standardized diet adjusted to their individual caloric need, to a regular sleep/wake cycle and moderate exercise. Continuing this protocol, we administered 30 mg mirtazapine daily for 7 days. RESULTS While no significant weight gain or changes in resting energy expenditure were observed under these conditions, hunger and appetite for sweets increased with mirtazapine, accompanied by a shift in energy substrate partitioning towards carbohydrate substrate preference as assessed by indirect calorimetry. Furthermore, with mirtazapine, insulin and C-peptide release increased in response to a standardized meal. CONCLUSION Our findings provide important insights into weight-independent metabolic changes associated with mirtazapine and allow a better understanding of the long-term metabolic effects observed in patients treated with antidepressant drugs. TRIAL REGISTRATION ClinicalTrials.gov NCT00878540. FUNDING Nothing to declare.
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Affiliation(s)
| | - Sarah Heel
- Max Planck Institute of Psychiatry, Munich, Germany
| | | | - Manfred Uhr
- Max Planck Institute of Psychiatry, Munich, Germany
| | - Tatjana Dose
- Max Planck Institute of Psychiatry, Munich, Germany
| | - Ludwig Schaaf
- Clinic for Neuroendocrinology and Andrology, Max Planck Institute of Psychiatry, Munich, Germany
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Almishri W, Shaheen AA, Sharkey KA, Swain MG. The Antidepressant Mirtazapine Inhibits Hepatic Innate Immune Networks to Attenuate Immune-Mediated Liver Injury in Mice. Front Immunol 2019; 10:803. [PMID: 31031775 PMCID: PMC6474187 DOI: 10.3389/fimmu.2019.00803] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 03/26/2019] [Indexed: 12/11/2022] Open
Abstract
Activation of the innate immune system, including tissue macrophages and associated neutrophil infiltration, is an important driver of subsequent adaptive immune responses in many autoimmune diseases, including autoimmune hepatitis (AIH). The antidepressant mirtazapine has a unique complex pharmacology, altering signaling through a number of serotonin and histamine receptors that can impact macrophage function; an effect potentially influencing AIH outcome. In the mouse model of concanavalin A (Con A) induced liver injury (mimics many aspects of human AIH), in which early innate immune activation (i.e., stimulated hepatic macrophages/monocytes recruit neutrophils and additional monocytes to the liver) critically drives immune-mediated hepatitis induction, mirtazapine strikingly and dose-dependently inhibited Con A-induced liver injury. This inflammation-suppressing effect of mirtazapine was linked to an attenuation of Con A-stimulated early innate immune responses within the liver, including inhibition of hepatic macrophage/monocyte activation, decreased hepatic macrophage/monocyte-derived pro-inflammatory cytokine (e.g., TNFα) and chemokine (e.g., CXCL1 and CXCL2) production, suppression of Con A-induced increases in the hepatic expression of the neutrophil relevant endothelial cell adhesion molecule ICAM-1, with the resultant significant reduction in neutrophil recruitment into the liver. Consistent with our findings in the Con A model, mirtazapine also significantly reduced activation-induced release of cytokine/chemokine mediators from human CD14+ monocytes in vitro. Conclusion: Our data suggest that mirtazapine can attenuate hepatic innate immune responses that critically regulate the subsequent development of autoimmune liver injury. Therefore, given that it is a safe and widely used medication, mirtazapine may represent a novel therapeutic approach to autoimmune liver disease.
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Affiliation(s)
- Wagdi Almishri
- Liver Unit, Snyder Institute for Chronic Disease, University of Calgary, Calgary, AB, Canada
| | - Abdel Aziz Shaheen
- Liver Unit, Snyder Institute for Chronic Disease, University of Calgary, Calgary, AB, Canada
| | - Keith A. Sharkey
- Cumming School of Medicine, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Mark G. Swain
- Liver Unit, Snyder Institute for Chronic Disease, University of Calgary, Calgary, AB, Canada
- *Correspondence: Mark G. Swain
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Wharton S, Raiber L, Serodio KJ, Lee J, Christensen RA. Medications that cause weight gain and alternatives in Canada: a narrative review. Diabetes Metab Syndr Obes 2018; 11:427-438. [PMID: 30174450 PMCID: PMC6109660 DOI: 10.2147/dmso.s171365] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The cause of the obesity epidemic is multifactorial, but may, in part, be related to medication-induced weight gain. While clinicians may strive to do their best to select pharmacotherapy(ies) that has the least negative impact on weight, the literature regarding the weight effects of medication is often limited and devoid of alternative therapies. RESULTS Antipsychotics, antidepressants, antihyperglycemics, antihypertensives and corticosteroids all contain medications that were associated with significant weight gain. However, there are several medication alternatives within the majority of these classes associated with weight neutral or even weight loss effects. Further, while not all of the classes of medication examined in this review have weight-favorable alternatives, there exist many other tools to mitigate weight gain associated with medication use, such as changes in dosing, medication delivery or the use of adjunctive therapies. CONCLUSION Medication-induced weight gain can be frustrating for both the patient and the clinician. As the use of pharmaceuticals continues to increase, it is pertinent for clinicians to consider the weight effects of medications prior to prescribing or in the course of treatment. In the case where it is not feasible to make changes to medication, adjunctive therapies should be considered.
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Affiliation(s)
- Sean Wharton
- The Wharton Medical Clinic, Toronto, Canada,
- School of Kinesiology and Health Science, York University, Toronto, Canada
| | | | | | - Jasmine Lee
- The Wharton Medical Clinic, Toronto, Canada,
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19
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Paulis MG, Hafez EM, El-Tahawy NF, Aly MKM. Toxicological Assessment of Venlafaxine: Acute and Subchronic Toxicity Study in Rats. Int J Toxicol 2018; 37:327-334. [PMID: 29862856 DOI: 10.1177/1091581818777470] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Antidepressants are the most commonly prescribed drugs for psychiatric treatment, and venlafaxine (VEN) is one of the most popular options. Venlafaxine is a nontricyclic dual-acting serotonin-norepinephrine reuptake inhibitor. Although an increased incidence of acute toxicity and addiction has been reported, controlled studies examining its toxic effects on different organs are still lacking. This study investigated the possible toxic effects of VEN on the liver, kidney, and gastric tissues. Three groups of rats were administered saline, a single LD50 dose (350 mg/kg), or 100 mg/kg VEN daily, followed by increases in the dose of 50 mg/kg every 10 days for 30 days (about 10 times the therapeutic doses). The following parameters of liver and kidney injury were then assayed: alanine aminotransferase, aspartate aminotransferase, γ-glutamyl transferase, prothrombin time, partial thromboplastin time, blood urea nitrogen, and serum creatinine. A histopathological examination was then conducted. Both acute and subchronic administration of VEN produced multiple clinical manifestations in the experimental animals, including seizures, coma, and even death. Moreover, the liver and renal function tests indicated injury in these tissues. Furthermore, the histopathological examination showed signs of organ toxicity after both acute and chronic VEN exposure. This study has shown that VEN has harmful effects on the liver, kidney, and stomach in either a single high dose (LD50) or repeated exposure to 10 times the therapeutic doses. As a result, strategies to increase awareness of these effects among physicians and the public are needed because this drug may be addictive.
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Affiliation(s)
- Melad G Paulis
- 1 Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Minia University, Menia, Egypt
| | - Essam M Hafez
- 1 Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Minia University, Menia, Egypt
| | - Nashwa F El-Tahawy
- 2 Department of Histology and Cell Biology, Faculty of Medicine, Minia University, Menia, Egypt
| | - Mohmed K M Aly
- 3 Psychiatry Department, Faculty of Medicine, Minia University, Menia, Egypt
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20
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The relationship between serum leptin level and disease activity and inflammatory markers in fibromyalgia patients. North Clin Istanb 2018; 5:102-108. [PMID: 30374474 PMCID: PMC6191563 DOI: 10.14744/nci.2017.31644] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 08/18/2017] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE The aim of this study was to investigate whether there is a correlation between serum leptin level, disease activity and inflammation markers in patients with fibromyalgia syndrome (FMS). METHODS A total of 48 patients with FMS diagnosed according to the 1990 American College of Rheumatology criteria were included in the study, as well as 36 healthy women as controls. The Visual Analogue Scale was used to gauge pain severity, the Fibromyalgia Impact Questionnaire was used to assess physical function, the 36-Item Short Form Health Survey was used to examine quality of life, and depression was measured with the Beck Depression Inventory. Blood samples were examined for erythrocyte sedimentation rate (ESR), C-reactive protein level (CRP), high-sensitivity CRP level (hsCRP), the neutrophil-to-lymphocyte ratio (NLR), and the serum leptin level was determined using the enzyme-linked immunosorbent assay method. RESULTS The serum leptin level in patients with FMS was significantly higher than in the healthy group. However, no significant relationship was found between leptin level and clinical and inflammatory parameters. In addition, there were no significant differences between the patients and the control group in measurements of ESR, CRP, hsCRP, or NLR. CONCLUSION A higher serum leptin level in patients with FMS suggested that leptin may play role in the pathogenesis of FMS, yet there was no relationship between leptin and clinical and inflammatory parameters, suggesting that leptin is not an indicator of disease activity in FMS. Additional research should be performed with larger patient groups.
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Więdłocha M, Marcinowicz P, Krupa R, Janoska-Jaździk M, Janus M, Dębowska W, Mosiołek A, Waszkiewicz N, Szulc A. Effect of antidepressant treatment on peripheral inflammation markers - A meta-analysis. Prog Neuropsychopharmacol Biol Psychiatry 2018; 80:217-226. [PMID: 28445690 DOI: 10.1016/j.pnpbp.2017.04.026] [Citation(s) in RCA: 142] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Accepted: 04/18/2017] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Major Depressive Disorder (MDD) in accordance to the inflammatory concept is associated with complex immunological disturbances in the central nervous system (CNS). This is reflected by elevated plasma levels of inflammatory cytokines in depressed subjects. Although numerous studies report significant influence of antidepressants on pro-inflammatory/anti-inflammatory cytokines balance, the available data is often inconsistent regarding specific cytokines and drugs used. We aimed to perform a comprehensive meta-analysis of the effect of antidepressant treatment on a wide array of cytokines. METHODS We performed a systematic search of 6 databases, which yielded 32 studies measuring the levels of selected cytokines before and at a second time-point during antidepressant treatment. For meta-analysis of selected studies with a continuous measure we analysed variables containing the number of cases, mean and standard deviation of the level of IL-1ß, IL-2, IL-5, IL-6, IL-8, IL-10, CRP, TNF-α, IFN-γ levels observed in the different studies, in the intervention groups before and after antidepressant treatment. RESULTS Statistical analysis revealed significant decreases of IL-4, IL-6, and IL-10 in MDD subjects after antidepressant treatment. In case of IL-1ß the decrease was significant exclusively for SSRI drugs. We did not find any significant effect of antidepressant medication on IL-2, TNF-α IFN-γ and CRP. CONCLUSIONS Antidepressant treatment affects the levels of cytokines in depression. The immunological imbalance in MDD is complex and seems to be mediated by other factors yet to be elucidated. The credibility of our results is limited by high heterogeneity among studies and very few studies with a placebo-controlled design. Research with MDD subtypes, response to treatment status and cytokine associations with the kynurenine pathway taken into account pose a promising target for future studies.
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Affiliation(s)
- Magdalena Więdłocha
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland.
| | - Piotr Marcinowicz
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland
| | - Renata Krupa
- Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Poland
| | | | - Marta Janus
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland
| | - Weronika Dębowska
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland; CNS Lab, Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
| | - Anna Mosiołek
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland
| | - Napoleon Waszkiewicz
- Department of Psychiatry, Faculty of Medicine, Medical University in Bialystok, Poland
| | - Agata Szulc
- Department of Psychiatry, Faculty of Health Sciences, Medical University of Warsaw, Poland; Department of Psychiatry, Faculty of Medicine, Medical University in Bialystok, Poland
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Melatonin Prevents the Harmful Effects of Obesity on the Brain, Including at the Behavioral Level. Mol Neurobiol 2017; 55:5830-5846. [DOI: 10.1007/s12035-017-0796-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 09/26/2017] [Indexed: 12/21/2022]
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McElroy SL, Guerdjikova AI, Mori N, Keck PE. Managing comorbid obesity and depression through clinical pharmacotherapies. Expert Opin Pharmacother 2016; 17:1599-610. [DOI: 10.1080/14656566.2016.1198776] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Susan L. McElroy
- Research Institute, Lindner Center of HOPE, Mason, OH, USA
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Anna I. Guerdjikova
- Research Institute, Lindner Center of HOPE, Mason, OH, USA
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Nicole Mori
- Research Institute, Lindner Center of HOPE, Mason, OH, USA
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Paul E. Keck
- Research Institute, Lindner Center of HOPE, Mason, OH, USA
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, OH, USA
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Schmidt FM, Schröder T, Kirkby KC, Sander C, Suslow T, Holdt LM, Teupser D, Hegerl U, Himmerich H. Pro- and anti-inflammatory cytokines, but not CRP, are inversely correlated with severity and symptoms of major depression. Psychiatry Res 2016; 239:85-91. [PMID: 27137966 DOI: 10.1016/j.psychres.2016.02.052] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 01/11/2016] [Accepted: 02/22/2016] [Indexed: 01/17/2023]
Abstract
To clarify findings of elevated cytokine levels in major depression (MD), this study aimed to investigate the relationship between serum levels of cytokines, symptoms of MD and antidepressant treatment outcome. At baseline (T0) and 4 weeks following initiation of antidepressant treatment (T1), levels of tumor necrosis factor (TNF)-α, interferon (IFN)-γ, interleukin (IL)-2, IL-4, IL-5, IL-10, IL-12, IL-13, granulocyte-macrophage-colony-stimulating-factor (GM-CSF), CRP and depression ratings HAMD-17 and BDI-II were assessed in 30 patients with MD and 30 age-and sex-matched controls. At T0, in the patient group, cytokines, but not CRP, negatively correlated with individual BDI-II-items, factors and severities and showed both negative and positive correlations with HAMD-17 items. At T1 and within the controls, no such relationships were observed. At T0 and T1, levels of both pro- and anti-inflammatory cytokines were significantly higher in treatment responders (ΔHAMD-17T0-T1≥50%,n=15) compared to non-responders. When controlled for baseline BDI, differences between groups were only found significant for IL-2 at T0. The results suggest cytokines are not generally pro-depressive but rather relate to more specific regulation of symptoms and severities in MD. Together with the association between cytokines and treatment responder status, these data support cytokines as a promising but still controversial biomarker of depression.
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Affiliation(s)
- Frank M Schmidt
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Semmelweisstr. 10, d-04103 Leipzig, Germany.
| | - Thomas Schröder
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Semmelweisstr. 10, d-04103 Leipzig, Germany
| | - Kenneth C Kirkby
- Department of Psychiatry, University of Tasmania, GPO Box 252-27, Hobart, Tasmania 7001, Australia
| | - Christian Sander
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Semmelweisstr. 10, d-04103 Leipzig, Germany
| | - Thomas Suslow
- Department of Psychosomatic Medicine and Psychotherapy, University Hospital Leipzig, Semmelweisstr. 10, d-04103 Leipzig, Germany
| | - Lesca M Holdt
- Institute of Laboratory Medicine, Ludwig-Maximilians-University Munich, Marchioninistr. 15, d-81377 Munich, Germany
| | - Daniel Teupser
- Institute of Laboratory Medicine, Ludwig-Maximilians-University Munich, Marchioninistr. 15, d-81377 Munich, Germany
| | - Ulrich Hegerl
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Semmelweisstr. 10, d-04103 Leipzig, Germany
| | - Hubertus Himmerich
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Semmelweisstr. 10, d-04103 Leipzig, Germany
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Ma K, Zhang H, Baloch Z. Pathogenetic and Therapeutic Applications of Tumor Necrosis Factor-α (TNF-α) in Major Depressive Disorder: A Systematic Review. Int J Mol Sci 2016; 17:ijms17050733. [PMID: 27187381 PMCID: PMC4881555 DOI: 10.3390/ijms17050733] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 04/29/2016] [Accepted: 05/06/2016] [Indexed: 02/07/2023] Open
Abstract
Major depressive disorder (MDD) is characterized by mood, vegetative, cognitive, and even psychotic symptoms and signs that can cause substantial impairments in quality of life and functioning. Up to now, the exact pathogenesis of MDD remains poorly understood. Recent research has begun to reveal that the pro-inflammatory cytokines, particularly, tumor necrosis factor-α (TNF-α), play an integral role in the pathophysiology of depressive disorders and the mechanism of antidepressant treatment. On the base of several observations: it is found that subsets of MDD patients have enhanced plasma levels TNF-α; antidepressant treatments had linked with the decline of TNF-α; central administration of TNF-α gives rise to sickness behavior which shares features with depression; and a blockade of it can ameliorate depressive symptomatology in animal models and clinical trials. In this review article, we focus on recent evidence linking TNF-α and MDD looking at data from animal and clinical studies, illustrating the pathophysiological role, susceptibility and its therapeutic application in depression. We conclude by discussing future directions for research, in particular the opportunities for the development of novel therapeutics that target TNF-α. This will be very important for designing preventative strategies and for the identification of new drug targets and preventative strategies.
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Affiliation(s)
- Ke Ma
- Department of Physiology, Medical College of Qingdao University, Qingdao 266071, China.
| | - Hongxiu Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
| | - Zulqarnain Baloch
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
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Modulation of triglyceride accumulation in adipocytes by psychopharmacological agents in vitro. J Psychiatr Res 2016; 72:37-42. [PMID: 26524413 DOI: 10.1016/j.jpsychires.2015.10.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Revised: 10/06/2015] [Accepted: 10/09/2015] [Indexed: 11/24/2022]
Abstract
Weight gain is a major problem during psychopharmacological treatment. Research has concentrated on the appetite inducing properties and mechanisms of these drugs in the central nervous system. The potential contribution of direct effects of drugs on metabolically relevant peripheral cells such as adipocytes is less well understood. We examined the influence of the antidepressant imipramine, the antipsychotic clozapine, and the mood stabilizer lithium on preadipocytes and adipocytes in vitro, using Simpson-Golabi-Behmel syndrome (SGBS) cells, an established human preadipocyte model. Parameters of cell differentiation and signaling, and cell metabolism were measured. We found significantly increased triglyceride accumulation in adipocytes after supplementation with imipramine and lithium at therapeutic concentrations, compared to non-supplemented control samples. However, gene expression levels of an early marker of adipogenesis, the peroxisome proliferator-activated receptor gamma (PPAR-γ) and a late marker of adipogenesis, the fatty acid binding protein 4 (FABP4), as well as expression of adiponectin (ADIPOQ) did not change significantly in the presence of these psychopharmacological agents. The results suggest a direct influence of imipramine and lithium but not clozapine on fat storage of adipocytes. The underlying mechanisms of fatty acid storage and adipocyte differentiation however remain to be elucidated.
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Abstract
Stress is defined as a state that can threaten homeostasis in an organism to initiate the adaptive process. Stress mediators, which include the classic neuroendocrine hormones and a number of neurotransmitters, cytokines, and growth factors, regulate both basal and threatened homeostasis to help control the stress. Severity of stress, as well as malfunctioning of stress pathways, may impair its controllability, leading to the pathogenesis of psychiatric illnesses including depression. Leptin was initially identified as an antiobesity hormone, acting as a negative feedback adiposity signal to control energy homeostasis by binding to its receptors in the hypothalamus. Accumulating evidence has expanded the function of leptin from the control of energy balance to the regulation of other physiological and psychological processes. The aim of this paper is to evaluate the potential role of leptin in stress controllability. To this end, studies on the role of leptin in stress-induced activation of the hypothalamus-pituitary-adrenocortical axis, feeding behavior, learned helplessness, and other depression models have been accumulated. The knowledge accumulated in this article may facilitate the development of alternative treatment strategies, beyond serotonin and noradrenaline reuptake inhibition, for psychiatric care and stress-related disorders.
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Aguilar-Valles A, Inoue W, Rummel C, Luheshi GN. Obesity, adipokines and neuroinflammation. Neuropharmacology 2015; 96:124-34. [PMID: 25582291 DOI: 10.1016/j.neuropharm.2014.12.023] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 12/16/2014] [Accepted: 12/19/2014] [Indexed: 12/14/2022]
Abstract
Global levels of obesity are reaching epidemic proportions, leading to a dramatic increase in incidence of secondary diseases and the significant economic burden associated with their treatment. These comorbidities include diabetes, cardiovascular disease, and some psychopathologies, which have been linked to a low-grade inflammatory state. Obese individuals exhibit an increase in circulating inflammatory mediators implicated as the underlying cause of these comorbidities. A number of these molecules are also manufactured and released by white adipose tissue (WAT), in direct proportion to tissue mass and are collectively known as adipokines. In the current review we focused on the role of two of the better-studied members of this family namely, leptin and adiponectin, with particular emphasis on their role in neuro-immune interactions, neuroinflammation and subsequent brain diseases. This article is part of a Special Issue entitled 'Neuroimmunology and Synaptic Function'.
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Affiliation(s)
- Argel Aguilar-Valles
- Department of Neuroscience, Université de Montréal and Goodman Cancer Centre, Department of Biochemistry, McGill University, Montréal, Canada
| | - Wataru Inoue
- Robarts Research Institute, Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario N6A 5B7, Canada
| | - Christoph Rummel
- Department of Veterinary-Physiology and -Biochemistry, Justus-Liebig-University Giessen, Frankfurter Strasse 100, D-35392 Giessen, Germany
| | - Giamal N Luheshi
- Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, Quebec H4H 1R3, Canada.
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Bortolato B, Carvalho AF, Soczynska JK, Perini GI, McIntyre RS. The Involvement of TNF-α in Cognitive Dysfunction Associated with Major Depressive Disorder: An Opportunity for Domain Specific Treatments. Curr Neuropharmacol 2015; 13:558-76. [PMID: 26467407 PMCID: PMC4761629 DOI: 10.2174/1570159x13666150630171433] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 12/05/2014] [Accepted: 12/08/2014] [Indexed: 12/31/2022] Open
Abstract
Major depressive disorder is a highly prevalent, chronic and recurring disorder, associated with substantial impairment in cognitive and interpersonal functions. Accumulating evidence suggests that inflammatory processes play an important role in the etio-pathogenesis, phenomenology, comorbidity and treatment of MDD. Suboptimal remission rates and the persistence of cognitive deficits contribute to functional impairment in MDD inviting the need for the development of mechanistically novel and domain specific treatment approaches. The MEDLINE/ Pubmed database was searched from inception to February, 9th, 2014 with combinations of the following search terms: 'TNF-alpha', 'depression', 'infliximab', 'etanercept', 'adalimumab', 'golimumab' and 'certolizumab'. Preclinical and clinical evidence linking TNF-α to MDD pathophysiology were reviewed as well as the current status of TNF-α modulators as novel agents for the treatment of MDD. Experimental models and clinical studies provide encouraging preliminary evidence for the efficacy of TNF- α antagonists in mitigating depressive symptoms and improving cognitive deficits. Further studies are warranted to confirm these data in larger randomized controlled trials in primary psychiatric populations. Translational research provides a promising perspective that may aid the development and/or repurposing of mechanism-based treatments for depressive symptoms and cognitive impairment in MDD.
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Affiliation(s)
| | - Andre F. Carvalho
- Translational Psychiatry Research Group, Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Joanna K. Soczynska
- Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada
- Institute of Medical Science, University of Toronto, Canada
| | | | - Roger S. McIntyre
- Mood Disorders Psychopharmacology Unit, University Health Network, Toronto, Canada
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Carvalho AF, Rocha DQC, McIntyre RS, Mesquita LM, Köhler CA, Hyphantis TN, Sales PMG, Machado-Vieira R, Berk M. Adipokines as emerging depression biomarkers: a systematic review and meta-analysis. J Psychiatr Res 2014; 59:28-37. [PMID: 25183029 DOI: 10.1016/j.jpsychires.2014.08.002] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/06/2014] [Accepted: 08/07/2014] [Indexed: 12/15/2022]
Abstract
Adiponectin, leptin and resistin may play a role in the pathophysiology of major depressive disorder (MDD). However, differences in peripheral levels of these hormones are inconsistent across diagnostic and intervention studies. Therefore, we performed meta-analyses of diagnostic studies (i.e., MDD subjects versus healthy controls) and intervention investigations (i.e., pre-vs. post-antidepressant treatment) in MDD. Adiponectin (N = 1278; Hedge's g = -0.35; P = 0.16) and leptin (N = 893; Hedge's g = -0.018; P = 0.93) did not differ across diagnostic studies. Meta-regression analyses revealed that gender and depression severity explained the heterogeneity observed in adiponectin diagnostic studies, while BMI and the difference in BMI between MDD individuals and controls explained the heterogeneity of leptin diagnostic studies. Subgroup analyses revealed that adiponectin peripheral levels were significantly lower in MDD participants compared to controls when assayed with RIA, but not ELISA. Leptin levels were significantly higher in individuals with mild/moderate depression versus controls. Resistin serum levels were lower in MDD individuals compared to healthy controls (N = 298; Hedge's g = -0.25; P = 0.03). Leptin serum levels did not change after antidepressant treatment. However, heterogeneity was significant and sample size was low (N = 108); consequently meta-regression analysis could not be performed. Intervention meta-analyses could not be performed for adiponectin and resistin (i.e., few studies met inclusion criteria). In conclusion, this systematic review and meta-analysis underscored that relevant moderators/confounders (e.g., BMI, depression severity and type of assay) should be controlled for when considering the role of leptin and adiponectin as putative MDD diagnostic biomarkers.
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Affiliation(s)
- André F Carvalho
- Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil.
| | - Davi Q C Rocha
- Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Roger S McIntyre
- Departments of Pharmacology and Psychiatry, University of Toronto, Toronto, ON, Canada; Mood Disorders Psychopharmacology Unit, University of Toronto, Toronto, ON, Canada
| | - Lucas M Mesquita
- Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Cristiano A Köhler
- Memory Research Laboratory, Brain Institute (ICe), Federal University of Rio Grande do Norte (UFRN), Natal, RN, Brazil
| | - Thomas N Hyphantis
- Department of Psychiatry, Medical School, University of Ioaninna, Ioaninna, Greece
| | - Paulo M G Sales
- Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Rodrigo Machado-Vieira
- National Institute of Mental Health (NIMH), Bethesda, USA; Laboratory of Neuroscience, LIM-27, Department and Institute of Psychiatry, University of São Paulo, USP, Brazil; Center for Interdisciplinary Research in Applied Neuroscience (NAPNA), USP, Brazil
| | - Michael Berk
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Vic., Australia; Florey Institute of Neuroscience and Mental Health, Australia; Orygen Youth Health Research Centre, University of Melbourne, Parkville, Vic., Australia
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Leptin receptor deficiency confers resistance to behavioral effects of fluoxetine and desipramine via separable substrates. Transl Psychiatry 2014; 4:e486. [PMID: 25463972 PMCID: PMC4270309 DOI: 10.1038/tp.2014.126] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 09/12/2014] [Accepted: 10/22/2014] [Indexed: 11/09/2022] Open
Abstract
Depression is a complex, heterogeneous mental disorder. Currently available antidepressants are only effective in about one-third to one-half of all patients. The mechanisms underlying antidepressant response and treatment resistance are poorly understood. Recent clinical evidence implicates the involvement of leptin in treatment response to antidepressants. In this study, we determined the functional role of the leptin receptor (LepRb) in behavioral responses to the selective serotonergic antidepressant fluoxetine and the noradrenergic antidepressant desipramine. While acute and chronic treatment with fluoxetine or desipramine in wild-type mice elicited antidepressant-like effects in the forced swim test, mice null for LepRb (db/db) displayed resistance to treatment with either fluoxetine or desipramine. Fluoxetine stimulated phosphorylation of Akt(Thr308) and GSK-3β(Ser9) in the hippocampus and prefrontal cortex (PFC) of wild-type mice but not in db/db mice. Desipramine failed to induce measurable changes in Akt, GSK-3β or ERK1/2 phosphorylation in the hippocampus and PFC, as well as hypothalamus of either genotype of mice. Deletion of LepRb specifically from hippocampal and cortical neurons resulted in fluoxetine insensitivity in the forced swim test and tail suspension test while leaving the response to desipramine intact. These results suggest that functional LepRb is critically involved in regulating the antidepressant-like behavioral effects of both fluoxetine and desipramine. The antidepressant effects of fluoxetine but not desipramine are dependent on the presence of functional LepRb in the hippocampus and cortex.
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Impact of lithium alone and in combination with antidepressants on cytokine production in vitro. J Neural Transm (Vienna) 2014; 122:109-22. [PMID: 25377522 DOI: 10.1007/s00702-014-1328-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Accepted: 10/20/2014] [Indexed: 10/24/2022]
Abstract
Lithium is an important psychopharmacological agent for the treatment of unipolar as well as bipolar affective disorders. Lithium has a number of side effects such as hypothyroidism and aggravation of psoriasis. On the other hand, lithium has pro-inflammatory effects, which appear beneficial in some disorders associated with immunological deficits, such as human immunodeficiency virus (HIV) infection and systemic lupus erythematosus (SLE). Therefore, immunological characteristics of lithium may be an important consideration in individualized therapeutic decisions. We measured the levels of the cytokines interleukin (IL)-1ß, IL-2, IL-4, IL-6, IL-22, IL-17 and tumour necrosis factor (TNF)-α in the stimulated blood of thirty healthy subjects supplemented with lithium alone, the antidepressants citalopram, escitalopram or mirtazapine alone, the combination of each antidepressant with lithium, and a no drug control. These drugs were tested under three blood stimulant conditions: murine anti-human CD3 monoclonal antibody OKT3 and the 5C3 monoclonal antibody (OKT3/5C3), phytohemagglutinin (PHA), and unstimulated blood. Lithium, alone and in combination with any of the tested antidepressants, led to a consistent increase of IL-1ß, IL-6 and TNF-α levels in the unstimulated as well as the stimulated blood. In the OKT3/5C3- and PHA-stimulated blood, IL-17 production was significantly enhanced by lithium. Lithium additionally increased IL-2 concentrations significantly in PHA-stimulated blood. The data support the view that lithium has pro-inflammatory properties. These immunological characteristics may contribute to side effects of lithium, but may also explain its beneficial effects in patients suffering from HIV infection or SLE.
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Strauss M, Mergl R, Kratzsch J, Brügel M, Strauss E, Hegerl U, Schoenknecht P. Differentiation between free and bound leptin in depressed patients. Psychiatry Res 2014; 219:397-9. [PMID: 24930579 DOI: 10.1016/j.psychres.2014.05.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Revised: 05/16/2014] [Accepted: 05/17/2014] [Indexed: 11/19/2022]
Abstract
The relationship between leptin and affective disorders is still unknown. We measured free and bound leptin in 13 drug naïve subjects. Leptin did not significantly differ between patients and controls. As part of future studies, it also appears useful to distinguish between free and bound leptin.
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Affiliation(s)
- Maria Strauss
- Department of Psychiatry and Psychotherapy, University of Leipzig, Semmelweisstraße 10, 04103 Leipzig, Germany.
| | - Roland Mergl
- Department of Psychiatry and Psychotherapy, University of Leipzig, Semmelweisstraße 10, 04103 Leipzig, Germany
| | - Juergen Kratzsch
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Germany
| | - Mathias Brügel
- Institute of Clinical Chemistry, Ludwig-Maximilians-University Munich, Germany
| | - Erik Strauss
- Medical Practice for Neurology, Psychiatry and Psychotherapy, Kopfzentrum Leipzig(®), Germany
| | - Ulrich Hegerl
- Department of Psychiatry and Psychotherapy, University of Leipzig, Semmelweisstraße 10, 04103 Leipzig, Germany
| | - Peter Schoenknecht
- Department of Psychiatry and Psychotherapy, University of Leipzig, Semmelweisstraße 10, 04103 Leipzig, Germany
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Guimond D, Diabira D, Porcher C, Bader F, Ferrand N, Zhu M, Appleyard SM, Wayman GA, Gaiarsa JL. Leptin potentiates GABAergic synaptic transmission in the developing rodent hippocampus. Front Cell Neurosci 2014; 8:235. [PMID: 25177272 PMCID: PMC4133691 DOI: 10.3389/fncel.2014.00235] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 07/26/2014] [Indexed: 12/17/2022] Open
Abstract
It is becoming increasingly clear that leptin is not only a hormone regulating energy homeostasis but also a neurotrophic factor impacting a number of brain regions, including the hippocampus. Although leptin promotes the development of GABAergic transmission in the hypothalamus, little is known about its action on the GABAergic system in the hippocampus. Here we show that leptin modulates GABAergic transmission onto developing CA3 pyramidal cells of newborn rats. Specifically, leptin induces a long-lasting potentiation (LLP-GABAA) of miniature GABAA receptor-mediated postsynaptic current (GABAA-PSC) frequency. Leptin also increases the amplitude of evoked GABAA-PSCs in a subset of neurons along with a decrease in the coefficient of variation and no change in the paired-pulse ratio, pointing to an increased recruitment of functional synapses. Adding pharmacological blockers to the recording pipette showed that the leptin-induced LLP-GABAA requires postsynaptic calcium released from internal stores, as well as postsynaptic MAPK/ERK kinases 1 and/or 2 (MEK1/2), phosphoinositide 3 kinase (PI3K) and calcium-calmodulin kinase kinase (CaMKK). Finally, study of CA3 pyramidal cells in leptin-deficient ob/ob mice revealed a reduction in the basal frequency of miniature GABAA-PSCs compared to wild type littermates. In addition, presynaptic GAD65 immunostaining was reduced in the CA3 stratum pyramidale of mutant animals, both results converging to suggest a decreased number of functional GABAergic synapses in ob/ob mice. Overall, these results show that leptin potentiates and promotes the development of GABAergic synaptic transmission in the developing hippocampus likely via an increase in the number of functional synapses, and provide insights into the intracellular pathways mediating this effect. This study further extends the scope of leptin's neurotrophic action to a key regulator of hippocampal development and function, namely GABAergic transmission.
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Affiliation(s)
- Damien Guimond
- Parc Scientifique de Luminy, Aix-Marseille Université Marseille, France ; Unité 901, Institut National de la Santé et de la Recherche Médicale Marseille, France ; Institut de Neurobiologie de la Méditerranée Marseille, France ; Program in Neuroscience, Department of Integrative Physiology and Neuroscience, Washington State University Pullman, WA, USA
| | - Diabe Diabira
- Parc Scientifique de Luminy, Aix-Marseille Université Marseille, France ; Unité 901, Institut National de la Santé et de la Recherche Médicale Marseille, France ; Institut de Neurobiologie de la Méditerranée Marseille, France
| | - Christophe Porcher
- Parc Scientifique de Luminy, Aix-Marseille Université Marseille, France ; Unité 901, Institut National de la Santé et de la Recherche Médicale Marseille, France ; Institut de Neurobiologie de la Méditerranée Marseille, France
| | - Francesca Bader
- Parc Scientifique de Luminy, Aix-Marseille Université Marseille, France ; Unité 901, Institut National de la Santé et de la Recherche Médicale Marseille, France ; Institut de Neurobiologie de la Méditerranée Marseille, France
| | - Nadine Ferrand
- Parc Scientifique de Luminy, Aix-Marseille Université Marseille, France ; Unité 901, Institut National de la Santé et de la Recherche Médicale Marseille, France ; Institut de Neurobiologie de la Méditerranée Marseille, France
| | - Mingyan Zhu
- Program in Neuroscience, Department of Integrative Physiology and Neuroscience, Washington State University Pullman, WA, USA
| | - Suzanne M Appleyard
- Program in Neuroscience, Department of Integrative Physiology and Neuroscience, Washington State University Pullman, WA, USA
| | - Gary A Wayman
- Program in Neuroscience, Department of Integrative Physiology and Neuroscience, Washington State University Pullman, WA, USA
| | - Jean-Luc Gaiarsa
- Parc Scientifique de Luminy, Aix-Marseille Université Marseille, France ; Unité 901, Institut National de la Santé et de la Recherche Médicale Marseille, France ; Institut de Neurobiologie de la Méditerranée Marseille, France
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Fabbri C, Minarini A, Niitsu T, Serretti A. Understanding the pharmacogenetics of selective serotonin reuptake inhibitors. Expert Opin Drug Metab Toxicol 2014; 10:1093-118. [PMID: 24930681 DOI: 10.1517/17425255.2014.928693] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
INTRODUCTION The genetic background of antidepressant response represents a unique opportunity to identify biological markers of treatment outcome. Encouraging results alternating with inconsistent findings made antidepressant pharmacogenetics a stimulating but often discouraging field that requires careful discussion about cumulative evidence and methodological issues. AREAS COVERED The present review discusses both known and less replicated genes that have been implicated in selective serotonin reuptake inhibitors (SSRIs) efficacy and side effects. Candidate genes studies and genome-wide association studies (GWAS) were collected through MEDLINE database search (articles published till January 2014). Further, GWAS signals localized in promising genetic regions according to candidate gene studies are reported in order to assess the general comparability of results obtained through these two types of pharmacogenetic studies. Finally, a pathway enrichment approach is applied to the top genes (those harboring SNPs with p < 0.0001) outlined by previous GWAS in order to identify possible molecular mechanisms involved in SSRI effect. EXPERT OPINION In order to improve the understanding of SSRI pharmacogenetics, the present review discusses the proposal of moving from the analysis of individual polymorphisms to genes and molecular pathways, and from the separation across different methodological approaches to their combination. Efforts in this direction are justified by the recent evidence of a favorable cost-utility of gene-guided antidepressant treatment.
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Affiliation(s)
- Chiara Fabbri
- University of Bologna, Institute of Psychiatry, Department of Biomedical and NeuroMotor Sciences , Viale Carlo Pepoli 5, 40123 Bologna , Italy +39 051 6584233 ; +39 051 521030 ;
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Valleau JC, Sullivan EL. The impact of leptin on perinatal development and psychopathology. J Chem Neuroanat 2014; 61-62:221-32. [PMID: 24862904 DOI: 10.1016/j.jchemneu.2014.05.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Revised: 04/18/2014] [Accepted: 05/11/2014] [Indexed: 01/29/2023]
Abstract
Leptin has long been associated with metabolism as it is a critical regulator of both food intake and energy expenditure, but recently, leptin dysregulation has been proposed as a mechanism of psychopathology. This review discusses the evidence supporting a role for leptin in mental health disorders and describes potential mechanisms that may underlie this association. Leptin plays a critical role in pregnancy and in fetal growth and development. Leptin's role and profile during development is examined in available human studies, and the validity of applying studies conducted in animal models to the human population are discussed. Rodents experience a postnatal leptin surge, which does not occur in humans or larger animal models. This suggests that further research using large mammal models, which have a leptin profile across pregnancy and development similar to humans, are of high importance. Maternal obesity and hyperleptinemia correlate with increased leptin levels in the umbilical cord, placenta, and fetus. Leptin levels are thought to impact fetal brain development; likely by activating proinflammatory cytokines that are known to impact many of the neurotransmitter systems that regulate behavior. Leptin is likely involved in behavioral regulation as leptin receptors are widely distributed in the brain, and leptin influences cortisol release, the mesoaccumbens dopamine pathway, serotonin synthesis, and hippocampal synaptic plasticity. In humans, both high and low levels of leptin are reported to be associated with psychopathology. This inconsistency is likely due to differences in the metabolic state of the study populations. Leptin resistance, which occurs in the obese state, may explain how both high and low levels of leptin are associated with psychopathology, as well as the comorbidity of obesity with numerous mental illnesses. Leptin resistance is likely to influence disorders such as depression and anxiety where high leptin levels have been correlated with symptomatology. Schizophrenia is also associated with both low and high leptin levels. However, as anti-psychotics pharmacotherapy induces weight gain, which elevates leptin levels, drug-naïve populations are needed for further studies. Elevated circulating leptin is consistently found in childhood neurodevelopmental disorders including autism spectrum disorders and Rhett disorder. Further, studies on the impact of leptin and leptin resistance on psychopathology and neurodevelopmental disorders are important directions for future research. Studies examining the mechanisms by which exposure to maternal obesity and hyperleptinemia during fetal development impact brain development and behavior are critical for the health of future generations.
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Affiliation(s)
- Jeanette C Valleau
- Division of Diabetes, Obesity and Metabolism, Oregon National Primate Research Center, 505 NW 185th Ave., Beaverton, OR, USA
| | - Elinor L Sullivan
- Division of Diabetes, Obesity and Metabolism, Oregon National Primate Research Center, 505 NW 185th Ave., Beaverton, OR, USA; Department of Biology, University of Portland, 5000 N Willamette Blvd., Portland, OR, USA.
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Ozsoy S, Besirli A, Abdulrezzak U, Basturk M. Serum ghrelin and leptin levels in patients with depression and the effects of treatment. Psychiatry Investig 2014; 11:167-72. [PMID: 24843372 PMCID: PMC4023091 DOI: 10.4306/pi.2014.11.2.167] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2013] [Revised: 09/05/2013] [Accepted: 09/11/2013] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE Ghrelin and leptin, appetite-regulating hormones, play a role in mood regulation. Current data about the relation between leptin/ghrelin and depression are still controversial. This study aimed to investigate serum leptin and ghrelin levels in patients with depression and the effects of treatment on these levels. METHODS Serum ghrelin and leptin levels were measured before and after treatment with antidepressant drugs and/or electroconvulsive therapy in 28 patients with depression and once in 21 healthy controls. RESULTS Serum ghrelin levels of the patients were high in the pre-treatment. After the treatment, ghrelin levels were not different from those of the controls. We found no difference in serum levels of leptin between the patients and controls and no change with treatment. body mass index of the patients increased after the treatment especially in the drug-treated group. CONCLUSION The present study found increased serum ghrelin levels in depressive patients and normalization with improving of depression but no alteration in leptin levels.
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Affiliation(s)
- Saliha Ozsoy
- Department of Psychiatry, Erciyes University School of Medicine, Kayseri, Turkey
| | - Aslı Besirli
- Department of Psychiatry, Mus State Hospital, Mus, Turkey
| | - Ummuhan Abdulrezzak
- Department of Nuclear Medicine, Erciyes University Medical School, Kayseri, Turkey
| | - Mustafa Basturk
- Department of Psychiatry, Erciyes University School of Medicine, Kayseri, Turkey
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Bizik G, Bob P, Raboch J, Pavlat J, Uhrova J, Benakova H, Zima T. Dissociative symptoms reflect levels of tumor necrosis factor alpha in patients with unipolar depression. Neuropsychiatr Dis Treat 2014; 10:675-9. [PMID: 24851049 PMCID: PMC4008288 DOI: 10.2147/ndt.s50197] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Recent evidence indicates that the nature of interactions between the nervous system and immune system is important in the pathogenesis of depression. Specifically, alterations in pro-inflammatory cytokines have been related to the development of several psychological and neurobiological manifestations of depressive disorder, as well as to stress exposure. A number of findings point to tumor necrosis factor alpha (TNF-α) as one of the central factors in these processes. Accordingly, in the present study, we test the hypothesis that specific influences of chronic stressors related to traumatic stress and dissociation are related to alterations in TNF-α levels. We performed psychometric measurement of depression (Beck Depression Inventory [BDI]-II), traumatic stress symptoms (Trauma Symptom Checklist [TSC]-40), and psychological and somatoform dissociation (Dissociative Experiences Scale [DES] and Somatoform Dissociation Questionnaire [SDQ]-20, respectively), and immunochemical measure of serum TNF-α in 66 inpatients with unipolar depression (mean age 43.1 ± 7.3 years). The results show that TNF-α is significantly related to DES (Spearman R=-0.42, P<0.01), SDQ-20 (Spearman R=-0.38, P<0.01), and TSC-40 (Spearman R=-0.41, P<0.01), but not to BDI-II. Results of the present study suggest that TNF-α levels are related to dissociative symptoms and stress exposure in depressed patients.
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Affiliation(s)
- Gustav Bizik
- Center for Neuropsychiatric Research of Traumatic Stress, Department of Psychiatry and UHSL, Prague, Czech Republic
| | - Petr Bob
- Center for Neuropsychiatric Research of Traumatic Stress, Department of Psychiatry and UHSL, Prague, Czech Republic
| | - Jiri Raboch
- Center for Neuropsychiatric Research of Traumatic Stress, Department of Psychiatry and UHSL, Prague, Czech Republic
| | - Josef Pavlat
- Center for Neuropsychiatric Research of Traumatic Stress, Department of Psychiatry and UHSL, Prague, Czech Republic
| | - Jana Uhrova
- Department of Clinical Biochemistry and Laboratory Diagnostics, 1st Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Hana Benakova
- Department of Clinical Biochemistry and Laboratory Diagnostics, 1st Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Tomas Zima
- Department of Clinical Biochemistry and Laboratory Diagnostics, 1st Faculty of Medicine, Charles University, Prague, Czech Republic
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Munzer A, Sack U, Mergl R, Schönherr J, Petersein C, Bartsch S, Kirkby KC, Bauer K, Himmerich H. Impact of antidepressants on cytokine production of depressed patients in vitro. Toxins (Basel) 2013; 5:2227-40. [PMID: 24257035 PMCID: PMC3847723 DOI: 10.3390/toxins5112227] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 11/08/2013] [Accepted: 11/12/2013] [Indexed: 12/14/2022] Open
Abstract
The interplay between immune and nervous systems plays a pivotal role in the pathophysiology of depression. In depressive episodes, patients show increased production of pro-inflammatory cytokines such as interleukin (IL)-1β and tumor necrosis factor (TNF)-α. There is limited information on the effect of antidepressant drugs on cytokines, most studies report on a limited sample of cytokines and none have reported effects on IL-22. We systematically investigated the effect of three antidepressant drugs, citalopram, escitalopram and mirtazapine, on secretion of cytokines IL-1β, IL-2, IL-4, IL-6, IL-17, IL-22 and TNF-α in a whole blood assay in vitro, using murine anti-human CD3 monoclonal antibody OKT3, and 5C3 monoclonal antibody against CD40, to stimulate T and B cells respectively. Citalopram increased production of IL-1β, IL-6, TNF-α and IL-22. Mirtazapine increased IL-1β, TNF-α and IL-22. Escitalopram decreased IL-17 levels. The influence of antidepressants on IL-2 and IL-4 levels was not significant for all three drugs. Compared to escitalopram, citalopram led to higher levels of IL-1β, IL-6, IL-17 and IL-22; and mirtazapine to higher levels of IL-1β, IL-17, IL-22 and TNF-α. Mirtazapine and citalopram increased IL-22 production. The differing profile of cytokine production may relate to differences in therapeutic effects, risk of relapse and side effects.
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Affiliation(s)
- Alexander Munzer
- Department of Psychiatry, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany; E-Mails: (A.M.); (R.M.); (J.S); (C.P.); (S.B.)
| | - Ulrich Sack
- Institute of Immunology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany; E-Mails: (U.S.); (K.B.)
| | - Roland Mergl
- Department of Psychiatry, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany; E-Mails: (A.M.); (R.M.); (J.S); (C.P.); (S.B.)
| | - Jeremias Schönherr
- Department of Psychiatry, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany; E-Mails: (A.M.); (R.M.); (J.S); (C.P.); (S.B.)
| | - Charlotte Petersein
- Department of Psychiatry, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany; E-Mails: (A.M.); (R.M.); (J.S); (C.P.); (S.B.)
| | - Stefanie Bartsch
- Department of Psychiatry, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany; E-Mails: (A.M.); (R.M.); (J.S); (C.P.); (S.B.)
| | - Kenneth C. Kirkby
- Department of Psychiatry, University of Tasmania, Hobart, Tasmania, Australia; E-Mail:
| | - Katrin Bauer
- Institute of Immunology, University of Leipzig, Johannisallee 30, 04103 Leipzig, Germany; E-Mails: (U.S.); (K.B.)
| | - Hubertus Himmerich
- Department of Psychiatry, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany; E-Mails: (A.M.); (R.M.); (J.S); (C.P.); (S.B.)
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Hryhorczuk C, Sharma S, Fulton SE. Metabolic disturbances connecting obesity and depression. Front Neurosci 2013; 7:177. [PMID: 24109426 PMCID: PMC3791387 DOI: 10.3389/fnins.2013.00177] [Citation(s) in RCA: 194] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 09/16/2013] [Indexed: 12/14/2022] Open
Abstract
Obesity markedly increases the odds of developing depression. Depressed mood not only impairs motivation, quality of life and overall functioning but also increases the risks of obesity complications. Abdominal obesity is a better predictor of depression and anxiety risk than overall adipose mass. A growing amount of research suggests that metabolic abnormalities stemming from central obesity that lead to metabolic disease may also be responsible for the increased incidence of depression in obesity. As reviewed here, a higher mass of dysfunctional adipose tissue is associated with several metabolic disturbances that are either directly or indirectly implicated in the control of emotions and mood. To better comprehend the development of depression in obesity, this review pulls together select findings addressing the link between adiposity, diet and negative emotional states and discusses the evidence that alterations in glucocorticoids, adipose-derived hormones, insulin and inflammatory signaling that are characteristic of central obesity may be involved.
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Affiliation(s)
- Cecile Hryhorczuk
- Department of Nutrition, Faculty of Medicine, CRCHUM and Montreal Diabetes Research Center, Université de Montréal Montreal, QC, Canada
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Lichtblau N, Schmidt FM, Schumann R, Kirkby KC, Himmerich H. Cytokines as biomarkers in depressive disorder: current standing and prospects. Int Rev Psychiatry 2013; 25:592-603. [PMID: 24151804 DOI: 10.3109/09540261.2013.813442] [Citation(s) in RCA: 104] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The frequently observed co-occurrence of depressive disorders and inflammatory diseases suggests a close connection between the nervous and the immune systems. Increased pro-inflammatory and type 1 cytokines, such as interleukin (IL)-1, tumour necrosis factor (TNF)-α and interferon (IFN)-γ, appear to be an important link. Cytokines are synthesized by immune cells in the blood and peripheral tissues and by glial cells in the central nervous system (CNS). Evidence suggests that the blood-brain barrier (BBB) is permeable to cytokines and immune cells, and that afferent nerves, e.g. the vagus nerve, mediate the communication between peripheral inflammatory processes and CNS. Cytokines such as IL-1ß, TNF-α and IFN-γ seem to contribute to the pathophysiology of depression by activating monoamine reuptake, stimulating the hypothalamic-pituitary-adrenocortical (HPA) axis and decreasing production of serotonin due to increased activity of indolamine-2,3-dioxygenase (IDO). However, critical appraisal of these hypotheses is required, because cytokine elevation is not specific to depression. Moreover, several effective antidepressants such as amitriptyline and mirtazapine have been shown to increase cytokine production. When applying immunomodulatory therapies, these drugs may increase the risk of specific side effects such as infections or interact with antidepressant drugs on important functions of the body such as the coagulation system.
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Affiliation(s)
- Nicole Lichtblau
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig , Leipzig Germany
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Ma Y, Balasubramanian R, Pagoto SL, Schneider KL, Hébert JR, Phillips LS, Goveas JS, Culver AL, Olendzki BC, Beck J, Smoller JW, Sepavich DM, Ockene JK, Uebelacker L, Zorn M, Liu S. Relations of depressive symptoms and antidepressant use to body mass index and selected biomarkers for diabetes and cardiovascular disease. Am J Public Health 2013; 103:e34-43. [PMID: 23763394 PMCID: PMC3791588 DOI: 10.2105/ajph.2013.301394] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2013] [Indexed: 11/04/2022]
Abstract
OBJECTIVES We investigated whether depressive symptoms and antidepressant use are associated with biomarkers for glucose dysregulation and inflammation, body mass index (BMI), and waist circumference. METHODS Postmenopausal women were recruited into the Women's Health Initiative from 1993 to 1998, and data were collected at regular intervals through 2005. We used multiple linear regression models to examine whether depressive symptoms and antidepressant use are associated with BMI, waist circumference, and biomarkers. RESULTS Analysis of data from 71, 809 women who completed all relevant baseline and year 3 assessments showed that both elevated depressive symptoms and antidepressant use were significantly associated with higher BMI and waist circumference. Among 1950 women, elevated depressive symptoms were significantly associated with increased insulin levels and measures of insulin resistance. Analyses of baseline data from 2242 women showed that both elevated depressive symptoms and antidepressant use were associated with higher C-reactive protein levels. CONCLUSIONS Monitoring body habitus and other biomarkers among women with elevated depression symptoms or taking antidepressant medication may be prudent to prevent diabetes and cardiovascular disease.
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Affiliation(s)
- Yunsheng Ma
- Division of Preventive and Behavioral Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01655, USA.
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Kloiber S, Ripke S, Kohli MA, Reppermund S, Salyakina D, Uher R, McGuffin P, Perlis RH, Hamilton SP, Pütz B, Hennings J, Brückl T, Klengel T, Bettecken T, Ising M, Uhr M, Dose T, Unschuld PG, Zihl J, Binder E, Müller-Myhsok B, Holsboer F, Lucae S. Resistance to antidepressant treatment is associated with polymorphisms in the leptin gene, decreased leptin mRNA expression, and decreased leptin serum levels. Eur Neuropsychopharmacol 2013; 23:653-62. [PMID: 23026132 PMCID: PMC4221661 DOI: 10.1016/j.euroneuro.2012.08.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Revised: 07/11/2012] [Accepted: 08/07/2012] [Indexed: 01/01/2023]
Abstract
Leptin, a peptide hormone from adipose tissue and key player in weight regulation, has been suggested to be involved in sleep and cognition and to exert antidepressant-like effects, presumably via its action on the HPA-axis and hippocampal function. This led us to investigate whether genetic variants in the leptin gene, the level of leptin mRNA-expression and leptin serum concentrations are associated with response to antidepressant treatment. Our sample consisted of inpatients from the Munich Antidepressant Response Signature (MARS) project with weekly Hamilton Depression ratings, divided into two subsamples. In the exploratory sample (n=251) 17 single nucleotide polymorphisms (SNPs) covering the leptin gene region were genotyped. We found significant associations of several SNPs with impaired antidepressant treatment outcome and impaired cognitive performance after correction for multiple testing. The SNP (rs10487506) showing the highest association with treatment response (p=3.9×10(-5)) was analyzed in the replication sample (n=358) and the association could be verified (p=0.021) with response to tricyclic antidepressants. In an additional meta-analysis combining results from the MARS study with data from the Genome-based Therapeutic Drugs for Depression (GENDEP) and the Sequenced Treatment Alternatives to Relieve Depression (STAR(⁎)D) studies, nominal associations of several polymorphisms in the upstream vicinity of rs10487506 with treatment outcome were detected (p=0.001). In addition, we determined leptin mRNA expression in lymphocytes and leptin serum levels in subsamples of the MARS study. Unfavorable treatment outcome was accompanied with decreased leptin mRNA and leptin serum levels. Our results suggest an involvement of leptin in antidepressant action and cognitive function in depression with genetic polymorphisms in the leptin gene, decreased leptin gene expression and leptin deficiency in serum being risk factors for resistance to antidepressant therapy in depressed patients.
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Affiliation(s)
- Stefan Kloiber
- Max-Planck-Institute of Psychiatry, Kraepelinstrasse 2-10, 80804 Munich, Germany.
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Fulda S, Kloiber S, Dose T, Lucae S, Holsboer F, Schaaf L, Hennings J. Mirtazapine provokes periodic leg movements during sleep in young healthy men. Sleep 2013; 36:661-9. [PMID: 23633748 DOI: 10.5665/sleep.2622] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
STUDY OBJECTIVES Recent evidence suggests that certain antidepressants are associated with an increase of periodic leg movements (PLMS) that may disturb sleep. So far, this has been shown in patients clinically treated for depression and in cross-sectional studies for various substances, but not mirtazapine. It is unclear whether antidepressants induce the new onset of PLMS or only increase preexisting PLMS, and whether this is a general property of the antidepressant or only seen in depressed patients. We report here the effect of mirtazapine on PLMS in young healthy men. DESIGN Open-labeled clinical trial (NCT00878540) including a 3-week preparatory phase with standardized food, physical activity, and sleep-wake behavior, and a 10-day experimental inpatient phase with an adaptation day, 2 baseline days, and 7 days with mirtazapine. SETTING Research institute. PARTICIPANTS Twelve healthy young (20-25 years) men. INTERVENTIONS Seven days of nightly intake (22:00) of 30 mg mirtazapine. MEASUREMENTS AND RESULTS Sleep was recorded on 2 drug-free baseline nights, the first 2 drug nights, and the last 2 drug nights. Eight of the 12 subjects showed increased PLMS after the first dose of mirtazapine. Frequency of PLMS was highest on the first drug night and attenuated over the course of the next 6 days. Three subjects reported transient restless legs symptoms. CONCLUSIONS Mirtazapine provoked PLMS in 67% of young healthy males. The effect was most pronounced in the first days. The possible role of serotonergic, noradrenergic and histaminergic mechanisms in mirtazapine-induced PLMS is discussed.
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Singh M, Singh KP. In Utero Exposure of Venlafaxine: Impact on Maternal, Fetal, Neonatal Weight and Postnatal Growth in Rat Offspring. NATIONAL ACADEMY SCIENCE LETTERS-INDIA 2013. [DOI: 10.1007/s40009-012-0110-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Leptin plasma concentrations increase during antidepressant treatment with amitriptyline and mirtazapine, but not paroxetine and venlafaxine: leptin resistance mediated by antihistaminergic activity? J Clin Psychopharmacol 2013; 33:99-103. [PMID: 23277262 DOI: 10.1097/jcp.0b013e31827cb179] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Treatment with several psychopharmacological agents has been associated with increased leptin plasma concentrations. We measured leptin plasma concentrations in 76 adult depressed patients after a 6-day washout phase and again after 35 days of treatment with amitriptyline or paroxetine, as well as in 73 depressed patients after 28 days of treatment with either mirtazapine or venlafaxine. Leptin plasma concentrations increased during treatment with amitriptyline and mirtazapine, even after controlling for increased body mass index and irrespective of response to treatment [14.5 (13.8) vs 20.3 (18.7) ng/mL, and 12.2 (15.8) vs 14.4 (16.5) ng/mL in the 2 cohorts, respectively]. In contrast, paroxetine and venlafaxine treatment was not associated with changes in leptin plasma concentrations [14.8 (12.0) vs 13.6 (10.6); 15.9 (17.3) vs 13.5 (14.6) ng/mL] nor with weight gain. We conclude that treatment with amitriptyline or mirtazapine is associated with an increase in leptin secretion beyond change in weight. Thus, high leptin levels apparently are ineffective in the control of weight gain, indicating leptin resistance. Leptin resistance may be mediated by an antihistaminergic effect on hypothalamic nuclei integrating signals relevant for energy balance.
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Li Z, Qi D, Chen J, Zhang C, Yi Z, Yuan C, Wang Z, Hong W, Yu S, Cui D, Fang Y. Venlafaxine inhibits the upregulation of plasma tumor necrosis factor-alpha (TNF-α) in the Chinese patients with major depressive disorder: a prospective longitudinal study. Psychoneuroendocrinology 2013; 38:107-14. [PMID: 22683211 DOI: 10.1016/j.psyneuen.2012.05.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2011] [Revised: 04/13/2012] [Accepted: 05/13/2012] [Indexed: 10/28/2022]
Abstract
Although tumor necrosis factor-alpha (TNF-α) has been recognized to be involved in the pathogenesis of major depressive disorder (MDD) for a long time, only few studies so far investigated the effects of antidepressant, venlafaxine on TNF-α and the results are inconsistent. Moreover, the association between plasma TNF-α levels and suicide accompanied with MDD is entirely unknown. To elucidate these relationships, in the present study, 64 first-episode drug-naïve MDD patients and 64 matched healthy controls were recruited. Total 61 MDD patients received 8-week venlafaxine treatment and they were divided into responders and non-responders according to the reduction rate of HRSD-17. Prior to venlafaxine treatment, both responders and non-responders shared a similar plasma TNF-α (p=0.33), which was significantly decreased following venlafaxine treatment (p<0.001, p=0.03, respectively). Compared to non-responders, the responder group had a greater reduction in TNF-α (p=0.01), which was associated with the greater reduction rate of HRSD-17 (B=1.02, p=0.01). In addition, the plasma TNF-α levels were equally higher in both suicidal and non-suicidal MDD patients (p=0.84) compared to the healthy controls on admission (p=0.001, p=0.03, respectively). Together, our data suggest that MDD per se rather than suicide is associated with the elevated plasma TNF-α, which can be inhibited with venlfaxine monotherapy. The extent of TNF-α reduction may be associated with the efficiency of venlafaxine.
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Affiliation(s)
- Zezhi Li
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Fang CK, Chen HW, Chiang IT, Chen CC, Liao JF, Su TP, Tung CY, Uchitomi Y, Hwang JJ. Mirtazapine inhibits tumor growth via immune response and serotonergic system. PLoS One 2012; 7:e38886. [PMID: 22808019 PMCID: PMC3396612 DOI: 10.1371/journal.pone.0038886] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Accepted: 05/14/2012] [Indexed: 02/06/2023] Open
Abstract
To study the tumor inhibition effect of mirtazapine, a drug for patients with depression, CT26/luc colon carcinoma-bearing animal model was used. BALB/c mice were randomly divided into six groups: two groups without tumors, i.e. wild-type (no drug) and drug (mirtazapine), and four groups with tumors, i.e. never (no drug), always (pre-drug, i.e. drug treatment before tumor inoculation and throughout the experiment), concurrent (simultaneously tumor inoculation and drug treatment throughout the experiment), and after (post-drug, i.e. drug treatment after tumor inoculation and throughout the experiment). The “psychiatric” conditions of mice were observed from the immobility time with tail suspension and spontaneous motor activity post tumor inoculation. Significant increase of serum interlukin-12 (sIL-12) and the inhibition of tumor growth were found in mirtazapine-treated mice (always, concurrent, and after) as compared with that of never. In addition, interferon-γ level and immunocompetent infiltrating CD4+/CD8+ T cells in the tumors of mirtazapine-treated, tumor-bearing mice were significantly higher as compared with that of never. Tumor necrosis factor-α (TNF-α) expressions, on the contrary, are decreased in the mirtazapine-treated, tumor-bearing mice as compared with that of never. Ex vivo autoradiography with [123I]ADAM, a radiopharmaceutical for serotonin transporter, also confirms the similar results. Notably, better survival rates and intervals were also found in mirtazapine-treated mice. These findings, however, were not observed in the immunodeficient mice. Our results suggest that tumor growth inhibition by mirtazapine in CT26/luc colon carcinoma-bearing mice may be due to the alteration of the tumor microenvironment, which involves the activation of the immune response and the recovery of serotonin level.
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Affiliation(s)
- Chun-Kai Fang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
- Department of Psychiatry and Suicide Prevention Center, Mackay Memorial Hospital, Taipei, Taiwan
| | - Hong-Wen Chen
- Department of Radiation Oncology and Hospice Palliative Care Center, Mackay Memorial Hospital, Taipei, Taiwan
| | - I-Tsang Chiang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
| | | | - Jyh-Fei Liao
- Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan
| | - Ton-Ping Su
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chieh-Yin Tung
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
| | - Yosuke Uchitomi
- Department of Neuropsychiatry, School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama-shi, Japan
| | - Jeng-Jong Hwang
- Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan
- * E-mail:
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Jiang SM, Wu JH, Jia L. Intervention of Mirtazapine on gemcitabine-induced mild cachexia in nude mice with pancreatic carcinoma xenografts. World J Gastroenterol 2012; 18:2867-71. [PMID: 22719198 PMCID: PMC3374993 DOI: 10.3748/wjg.v18.i22.2867] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 04/24/2012] [Accepted: 04/27/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effect of Mirtazapine on tumor growth, food intake, body weight, and nutritional status in gemcitabine-induced mild cachexia.
METHODS: Fourteen mice with subcutaneous xenografts of a pancreatic cancer cell line (SW1990) were randomly divided into Mirtazapine and control groups. Either Mirtazapine (10 mg/kg) or saline solution was orally fed to the mice every day after tumor implantation. A model of mild cachexia was then established in both groups by intraperitoneal injection of Gemcitabine (50 mg/kg) 10 d, 13 d, and 16 d after tumor implantation. Tumor size, food intake, body weight, and nutritional status were measured during the experiment. All mice were sacrificed at day 28.
RESULTS: (1) After 7 d of gemcitabine administration, body-weight losses of 5%-7% which suggested mild cachexia were measured; (2) No significant difference in tumor size was detected between the Mirtazapine and control groups (P > 0.05); and (3) During the entire experimental period, food intake and body weight were slightly greater for the Mirtazapine group compared with controls (although these differences were not statistically significant). After 21 d, mice in the Mirtazapine group consumed significantly more food than control mice (3.95 ± 0.14 g vs 3.54 ± 0.10 g, P = 0.004). After 25 d, mice in the Mirtazapine group were also significantly heavier than control mice (17.24 ± 0.53 g vs 18.05 ± 0.68 g, P = 0.014).
CONCLUSION: Mild cachexia model was successfully established by gemcitabine in pancreatic tumor-bearing mice. Mirtazapine can improve gemcitabine-induced mild cachexia in pancreatic tumor-bearing mice. It was believed to provide a potential therapeutic perspective for further studies on cachexia.
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Affective symptoms are associated with markers of inflammation and immune activation in bipolar disorders but not in schizophrenia. J Psychiatr Res 2011; 45:1608-16. [PMID: 21889167 DOI: 10.1016/j.jpsychires.2011.08.003] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 06/15/2011] [Accepted: 08/10/2011] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Elevated levels of inflammation are reported in bipolar disorders (BP), but how this relates to affective symptoms is unclear. We aimed to determine if immune markers that consistently have been reported elevated in BP were associated with depressive and manic symptoms, and if this was specific for BP. METHODS From a catchment area, 112 BP patients were included together with 153 schizophrenia (SCZ) patients and 239 healthy controls. Depression and mania were assessed and the patients were grouped into depressed, neutral, and elevated mood. We measured the immune markers tumor necrosis factor receptor 1 (sTNF-R1), interleukin 1 receptor antagonist (IL-1Ra), interleukin 6 (IL-6), high sensitive C-reactive protein (hsCRP), osteoprotegerin (OPG) and von Willebrand factor (vWf) which have been found increased in severe mental disorders. RESULTS In BP all inflammatory markers were lowest in depressed state, with significant group differences after control for confounders with respect to TNF-R1 (p = 0.04), IL-1Ra (p = 0.02), OPG (p = 0.004) and IL-6 (p = 0.005). STNF-R1 was positively correlated with the item elevated mood (p = 0.02) whereas sad mood was negatively correlated with OPG (p = 0.0003), IL-1Ra (p = 0.001) and IL-6 (p = 0.006). Compared to controls the neutral mood group had significantly higher levels of OPG (p = 0.0003) and IL-6 (p = 0.005), and the elevated mood group had higher levels of TNF-R1 (p = 0.000005) and vWf (p = 0.002). There were no significant associations between affective states orsymptoms in SCZ. CONCLUSIONS The current associations between inflammatory markers and affective symptomatology in BP and not SCZ suggest that immune related mechanisms are associated with core psychopathology of BP.
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