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Gursoy BK, Atay E, Bilir A, Firat F, Soylemez ESA, Kurt GA, Gozen M, Ertekin T. Effect of aripiprazole on neural tube development in early chick embryos. Toxicol Appl Pharmacol 2024; 489:117009. [PMID: 38906509 DOI: 10.1016/j.taap.2024.117009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/30/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
INTRODUCTION Aripiprazole (ARI) is a recently developed antipsychotic medication that belongs to the second generation of antipsychotics. The literature has contradictory information regarding ARI, which has been classified as pregnant use category C by the FDA. METHODS 125 pathogen-free fertilized eggs were incubated for 28 h and divided into five groups of 25 eggs each (including the control group), and 18 eggs with intact integrity were selected from each group. After the experimental groups were divided, ARI was administered subblastodermally with a Hamilton micro-injector at 4 different doses (1 mg/kg, 5 mg/kg, 10 mg/kg, 20 mg/kg). At the 48th hour of incubation, all eggs were hatched and embryos were removed from the embryonic membranes. And then morphologic (position of the neural tube (open or closed), crown-rump length, number of somites, embryological development status), histopathologic (apoptosis (caspase 3), cell proliferation (PCNA), in situ recognition of DNA breaks (tunnel)), genetic (BRE gene expression) analyzes were performed. RESULTS According to the results of the morphological analysis, when the frequency of neural tube patency was evaluated among the experimental groups, a statistically significant difference was determined between the control group and all groups (p < 0.001). In addition, the mean crown-rump length and somite number of the embryos decreased in a dose-dependent manner compared to the control group. It was determined that mRNA levels of the BRE gene decreased in embryos exposed to ARI compared to the control group (p < 0.001). CONCLUSION Morphologically, histopathologically, and genetically, aripiprazole exposure delayed neurogenesis and development in early chick embryos. These findings suggest its use in pregnant women may be teratogenic. We note that these results are preliminary for pregnant women, but they should be expanded and studied with additional and other samples.
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Affiliation(s)
- Betul Kurtses Gursoy
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Psychiatry, Afyonkarahisar, Turkey.
| | - Emre Atay
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Anatomy, Afyonkarahisar, Turkey
| | - Abdulkadir Bilir
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Anatomy, Afyonkarahisar, Turkey
| | - Fatma Firat
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Histology and Embryology, Afyonkarahisar, Turkey
| | - Evrim Suna Arikan Soylemez
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Medical Biology, Afyonkarahisar, Turkey
| | - Gulan Albas Kurt
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Anatomy, Afyonkarahisar, Turkey
| | - Mert Gozen
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Psychiatry, Afyonkarahisar, Turkey
| | - Tolga Ertekin
- Afyonkarahisar Health Sciences University, Faculty of Medicine, Department of Anatomy, Afyonkarahisar, Turkey
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Jezsó B, Kálmán S, Farkas KG, Hathy E, Vincze K, Kovács-Schoblocher D, Lilienberg J, Tordai C, Nemoda Z, Homolya L, Apáti Á, Réthelyi JM. Haloperidol, Olanzapine, and Risperidone Induce Morphological Changes in an In Vitro Model of Human Hippocampal Neurogenesis. Biomolecules 2024; 14:688. [PMID: 38927091 PMCID: PMC11201986 DOI: 10.3390/biom14060688] [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: 04/25/2024] [Revised: 06/04/2024] [Accepted: 06/09/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Induced pluripotent stem cell (iPSC) based neuronal differentiation is valuable for studying neuropsychiatric disorders and pharmacological mechanisms at the cellular level. We aimed to examine the effects of typical and atypical antipsychotics on human iPSC-derived neural progenitor cells (NPCs). METHODS Proliferation and neurite outgrowth were measured by live cell imaging, and gene expression levels related to neuronal identity were analyzed by RT-QPCR and immunocytochemistry during differentiation into hippocampal dentate gyrus granule cells following treatment of low- and high-dose antipsychotics (haloperidol, olanzapine, and risperidone). RESULTS Antipsychotics did not modify the growth properties of NPCs after 3 days of treatment. However, the characteristics of neurite outgrowth changed significantly in response to haloperidol and olanzapine. After three weeks of differentiation, mRNA expression levels of the selected neuronal markers increased (except for MAP2), while antipsychotics caused only subtle changes. Additionally, we found no changes in MAP2 or GFAP protein expression levels as a result of antipsychotic treatment. CONCLUSIONS Altogether, antipsychotic medications promoted neurogenesis in vitro by influencing neurite outgrowth rather than changing cell survival or gene expression. This study provides insights into the effects of antipsychotics on neuronal differentiation and highlights the importance of considering neurite outgrowth as a potential target of action.
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Affiliation(s)
- Bálint Jezsó
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
- Doctoral School of Biology, Institute of Biology, Eötvös Loránd University, Pázmány Péter sétány 1/c., H-1117 Budapest, Hungary
- ELTE-MTA “Momentum” Motor Enzymology Research Group, Department of Biochemistry, Eötvös Loránd University, Pázmány Péter sétány 1/c., H-1117 Budapest, Hungary
| | - Sára Kálmán
- Albert Szent-Györgyi Health Centre, Department of Psychiatry, University of Szeged, Szentháromság utca 5., H-6722 Szeged, Hungary;
| | - Kiara Gitta Farkas
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
| | - Edit Hathy
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
- Department of Psychiatry and Psychotherapy, Semmelweis University, Balassa utca 6., H-1083 Budapest, Hungary
| | - Katalin Vincze
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
- Department of Psychiatry and Psychotherapy, Semmelweis University, Balassa utca 6., H-1083 Budapest, Hungary
| | | | - Julianna Lilienberg
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
| | - Csongor Tordai
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
- Department of Psychiatry and Psychotherapy, Semmelweis University, Balassa utca 6., H-1083 Budapest, Hungary
| | - Zsófia Nemoda
- Department of Psychiatry and Psychotherapy, Semmelweis University, Balassa utca 6., H-1083 Budapest, Hungary
| | - László Homolya
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
| | - Ágota Apáti
- Institute of Molecular Life Sciences, HUN-REN RCNS, Magyar tudósok körútja 2., H-1117 Budapest, Hungary; (B.J.)
| | - János M. Réthelyi
- Department of Psychiatry and Psychotherapy, Semmelweis University, Balassa utca 6., H-1083 Budapest, Hungary
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Alonso M, Petit AC, Lledo PM. The impact of adult neurogenesis on affective functions: of mice and men. Mol Psychiatry 2024:10.1038/s41380-024-02504-w. [PMID: 38499657 DOI: 10.1038/s41380-024-02504-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 03/20/2024]
Abstract
In most mammals, new neurons are not only produced during embryogenesis but also after birth. Soon after adult neurogenesis was discovered, the influence of recruiting new neurons on cognitive functions, especially on memory, was documented. Likewise, the late process of neuronal production also contributes to affective functions, but this outcome was recognized with more difficulty. This review covers hypes and hopes of discovering the influence of newly-generated neurons on brain circuits devoted to affective functions. If the possibility of integrating new neurons into the adult brain is a commonly accepted faculty in the realm of mammals, the reluctance is strong when it comes to translating this concept to humans. Compiling data suggest now that new neurons are derived not only from stem cells, but also from a population of neuroblasts displaying a protracted maturation and ready to be engaged in adult brain circuits, under specific signals. Here, we discuss the significance of recruiting new neurons in the adult brain circuits, specifically in the context of affective outcomes. We also discuss the fact that adult neurogenesis could be the ultimate cellular process that integrates elements from both the internal and external environment to adjust brain functions. While we must be critical and beware of the unreal promises that Science could generate sometimes, it is important to continue exploring the potential of neural recruitment in adult primates. Reporting adult neurogenesis in humankind contributes to a new vision of humans as mammals whose brain continues to develop throughout life. This peculiar faculty could one day become the target of treatment for mental health, cognitive disorders, and elderly-associated diseases. The vision of an adult brain which never stops integrating new neurons is a real game changer for designing new therapeutic interventions to treat mental disorders associated with substantial morbidity, mortality, and social costs.
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Affiliation(s)
- Mariana Alonso
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Action Unit, F-75015, Paris, France
| | - Anne-Cécile Petit
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Action Unit, F-75015, Paris, France
- Pôle Hospitalo-Universitaire Psychiatrie Paris 15, GHU Paris Psychiatry and Neurosciences, Hôpital Sainte-Anne, Paris, France
| | - Pierre-Marie Lledo
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Action Unit, F-75015, Paris, France.
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López-Otín C, Kroemer G. The missing hallmark of health: psychosocial adaptation. Cell Stress 2024; 8:21-50. [PMID: 38476764 PMCID: PMC10928495 DOI: 10.15698/cst2024.03.294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/09/2024] [Accepted: 02/12/2024] [Indexed: 03/14/2024] Open
Abstract
The eight biological hallmarks of health that we initially postulated (Cell. 2021 Jan 7;184(1):33-63) include features of spatial compartmentalization (integrity of barriers, containment of local perturbations), maintenance of homeostasis over time (recycling & turnover, integration of circuitries, rhythmic oscillations) and an array of adequate responses to stress (homeostatic resilience, hormetic regulation, repair & regeneration). These hallmarks affect all eight somatic strata of the human body (molecules, organelles, cells, supracellular units, organs, organ systems, systemic circuitries and meta-organism). Here we postulate that mental and socioeconomic factors must be added to this 8×8 matrix as an additional hallmark of health ("psychosocial adaptation") and as an additional stratum ("psychosocial interactions"), hence building a 9×9 matrix. Potentially, perturbation of each of the somatic hallmarks and strata affects psychosocial factors and vice versa. Finally, we discuss the (patho)physiological bases of these interactions and their implications for mental health improvement.
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Affiliation(s)
- Carlos López-Otín
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Facultad de Ciencias de la Vida y la Naturaleza, Universidad Nebrija, Madrid, Spain
- Departamento de Bioquímica y Biología Molecular, Instituto Universitario de Oncología (IUOPA), Universidad de Oviedo
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
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Franz M, Papiol S, Simon MS, Barton BB, Glockner C, Spellmann I, Riedel M, Heilbronner U, Zill P, Schulze TG, Musil R. Association of clinical parameters and polygenic risk scores for body mass index, schizophrenia, and diabetes with antipsychotic-induced weight gain. J Psychiatr Res 2024; 169:184-190. [PMID: 38042056 DOI: 10.1016/j.jpsychires.2023.11.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 11/22/2023] [Accepted: 11/22/2023] [Indexed: 12/04/2023]
Abstract
Antipsychotic-induced weight gain (AIWG) is a common adverse event in schizophrenia. Genome-wide association studies (GWAS) and polygenic risk scores (PRS) for other diseases or traits are recent approaches to disentangling the genetic architecture of AIWG. 200 patients with schizophrenia treated monotherapeutically with antipsychotics were included in this study. A multiple linear regression analysis with ten-fold crossvalidation was performed to predict the percentage weight change after five weeks of treatment. Independent variables were sex, age, body mass index (BMI) at baseline, medication-associated risk, and PRSs (BMI, schizophrenia, diabetes, and metabolic syndrome). An explorative GWAS analysis was performed on the same subjects and traits. PRSs for BMI (β = 3.78; p = 0.0041), schizophrenia (β = 5.38; p = 0.021) and diabetes type 2 (β = 13.4; p = 0.046) were significantly associated with AIWG. Other significant factors were sex, baseline BMI and medication. Compared to the model without genetic factors, the addition of PRSs for BMI, schizophrenia, and diabetes type 2 increased the goodness of fit by 6.5 %. The GWAS identified the association of three variants (rs10668573, rs10249381 and rs1988834) with AIWG at a genome-wide level of p < 1 · 10-6. Using PRS for schizophrenia, BMI, and diabetes type 2 increased the explained variation of predicted weight gain, compared to a model without PRSs. For more precise results, PRSs derived from other traits (ideally AIWG) should be investigated. Potential risk variants identified in our GWAS need to be further investigated and replicated in independent samples.
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Affiliation(s)
- Maria Franz
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany
| | - Sergi Papiol
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany; Institute of Psychiatric Phenomics and Genomics (IPPG), University Hospital, LMU Munich, Munich, 80336, Germany
| | - Maria S Simon
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany.
| | - Barbara B Barton
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany
| | - Catherine Glockner
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany
| | - Ilja Spellmann
- Zentrum für Seelische Gesundheit, Klinikum Stuttgart, Stuttgart, 70174, Germany
| | | | - Urs Heilbronner
- Institute of Psychiatric Phenomics and Genomics (IPPG), University Hospital, LMU Munich, Munich, 80336, Germany
| | - Peter Zill
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany
| | - Thomas G Schulze
- Institute of Psychiatric Phenomics and Genomics (IPPG), University Hospital, LMU Munich, Munich, 80336, Germany; Department of Psychiatry and Behavioral Sciences, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Richard Musil
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, 80336, Germany
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Stanford SC, Heal DJ. Adrenoceptors: A Focus on Psychiatric Disorders and Their Treatments. Handb Exp Pharmacol 2023. [PMID: 37495853 DOI: 10.1007/164_2023_675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Research into the involvement of adrenoceptor subtypes in the cause(s) of psychiatric disorders is particularly challenging. This is partly because of difficulties in developing animal models that recapitulate the human condition but also because no evidence for any causal links has emerged from studies of patients. These, and other obstacles, are outlined in this chapter. Nevertheless, many drugs that are used to treat psychiatric disorders bind to adrenoceptors to some extent. Direct or indirect modulation of the function of specific adrenoceptor subtypes mediates all or part of the therapeutic actions of drugs in various psychiatric disorders. On the other hand, interactions with central or peripheral adrenoceptors can also explain their side effects. This chapter discusses both aspects of the field, focusing on disorders that are prevalent: depression, schizophrenia, anxiety, attention-deficit hyperactivity disorder, binge-eating disorder, and substance use disorder. In so doing, we highlight some unanswered questions that need to be resolved before it will be feasible to explain how changes in the function of any adrenoceptor subtype affect mood and behavior in humans and other animals.
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Affiliation(s)
- S Clare Stanford
- Department of Neuroscience, Physiology and Pharmacology, University College London, London, UK.
| | - David J Heal
- DevelRx Ltd, BioCity, Nottingham, UK
- Department of Life Sciences, University of Bath, Bath, UK
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Khan MM, Parikh V. Prospects for Neurotrophic Factor-Based Early Intervention in Schizophrenia: Lessons Learned from the Effects of Antipsychotic Drugs on Cognition, Neurogenesis, and Neurotrophic Factors. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2023; 22:289-303. [PMID: 35366786 DOI: 10.2174/1871527321666220401124151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/13/2022] [Accepted: 02/18/2022] [Indexed: 12/16/2022]
Abstract
Although reducing psychotic symptoms in schizophrenia has been a major focus of therapeutic interventions for decades, improving cognition is considered a better predictor of functional outcomes. However, the most commonly prescribed antipsychotic drugs (APDs) show only marginal beneficial effects on cognition in patients with schizophrenia. The neural mechanisms underlying cognitive disturbances in schizophrenia remain unknown that making drug development efforts very challenging. Since neurotrophic factors are the primary architects of neurogenesis, synaptic plasticity, learning, and memory, the findings from preclinical and clinical studies that assess changes in neurogenesis and neurotrophic factors and their relationship to cognitive performance in schizophrenia, and how these mechanisms might be impacted by APD treatment, may provide valuable clues in developing therapies to combat cognitive deficit in schizophrenia. Numerous evidence produced over the years suggests a deficit in a wide spectrum of neurotrophic factors in schizophrenia. Since schizophrenia is considered a neurodevelopmental disorder, early intervention with neurotrophic factors may be more effective in ameliorating the cognitive deficits and psychopathological symptoms associated with this pathology. In this context, results from initial clinical trials with neurotrophic factors and their future potential to improve cognition and psychosocial functioning in schizophrenia are discussed.
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Affiliation(s)
- Mohammad M Khan
- Laboratory of Translational Neurology and Molecular Psychiatry, Department of Biotechnology, Era\'s Lucknow Medical College and Hospital, and Faculty of Science, Era University, Lucknow, UP, India
| | - Vinay Parikh
- Department of Psychology and Neuroscience Program, Temple University, Philadelphia, PA, USA
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Qi W, Marx J, Zingman M, Li Y, Petkova E, Blessing E, Ardekani B, Sakalli Kani A, Cather C, Freudenreich O, Holt D, Zhao J, Wang J, Goff DC. Hippocampal Subfield Volumes Predict Disengagement from Maintenance Treatment in First Episode Schizophrenia. Schizophr Bull 2022; 49:34-42. [PMID: 36370124 PMCID: PMC9810017 DOI: 10.1093/schbul/sbac043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
OBJECTIVES Disengagement from treatment is common in first episode schizophrenia (FES) and is associated with poor outcomes. Our aim was to determine whether hippocampal subfield volumes predict disengagement during maintenance treatment of FES. METHODS FES patients were recruited from sites in Boston, New York, Shanghai, and Changsha. After stabilization on antipsychotic medication, participants were randomized to add-on citalopram or placebo and followed for 12 months. Demographic, clinical and cognitive factors at baseline were compared between completers and disengagers in addition to volumes of hippocampal subfields. RESULTS Baseline data were available for 95 randomized participants. Disengagers (n = 38, 40%) differed from completers (n = 57, 60%) by race (more likely Black; less likely Asian) and in more alcohol use, parkinsonism, negative symptoms and more impairment in visual learning and working memory. Bilateral dentate gyrus (DG), CA1, CA2/3 and whole hippocampal volumes were significantly smaller in disengagers compared to completers. When all the eight volumes were entered into the model simultaneously, only left DG volume significantly predicted disengagement status and remained significant after adjusting for age, sex, race, intracranial volume, antipsychotic dose, duration of untreated psychosis, citalopram status, alcohol status, and smoking status (P < .01). Left DG volume predicted disengagement with 57% sensitivity and 83% specificity. CONCLUSIONS Smaller left DG was significantly associated with disengagement status over 12 months of maintenance treatment in patients with FES participating in a randomized clinical trial. If replicated, these findings may provide a biomarker to identify patients at risk for disengagement and a potential target for interventions.
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Affiliation(s)
| | | | - Michael Zingman
- Department of Psychiatry, NYU Langone Health, 1 Park Avenue, New York, NY, USA
| | - Yi Li
- Department of Population Health, Division of Biostatistics, NYU School of Medicine, 180 Madison Avenue, New York, NY, USA
| | - Eva Petkova
- Department of Population Health, Division of Biostatistics, NYU School of Medicine, 180 Madison Avenue, New York, NY, USA,Nathan Kline Institute for Psychiatric Research, 140 Old Orangeburg Road, Orangeburg, NY, USA
| | - Esther Blessing
- Department of Psychiatry, NYU Langone Health, 1 Park Avenue, New York, NY, USA
| | - Babak Ardekani
- Department of Psychiatry, NYU Langone Health, 1 Park Avenue, New York, NY, USA,Nathan Kline Institute for Psychiatric Research, 140 Old Orangeburg Road, Orangeburg, NY, USA
| | - Ayse Sakalli Kani
- Department of Psychiatry, NYU Langone Health, 1 Park Avenue, New York, NY, USA,4New York State Psychiatric Institute, Columbia University Medical Center, 601 West 168th St., New York, NY, USA
| | - Corinne Cather
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, USA
| | - Oliver Freudenreich
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, USA
| | - Daphne Holt
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, USA
| | - Jingping Zhao
- National Clinical Research Center for Mental Disorders, Mental Health Institute, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jijun Wang
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Donald C Goff
- To whom correspondence should be addressed; Psychiatry Department, NYU Langone Health, One Park Ave, New York, NY 10016, USA; tel: 646-754-4843, e-mail:
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Spironolactone alleviates schizophrenia-related reversal learning in Tcf4 transgenic mice subjected to social defeat. SCHIZOPHRENIA 2022; 8:77. [PMID: 36171421 PMCID: PMC9519974 DOI: 10.1038/s41537-022-00290-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 09/17/2022] [Indexed: 11/08/2022]
Abstract
AbstractCognitive deficits are a hallmark of schizophrenia, for which no convincing pharmacological treatment option is currently available. Here, we tested spironolactone as a repurposed compound in Tcf4 transgenic mice subjected to psychosocial stress. In this ‘2-hit’ gene by environment mouse (GxE) model, the animals showed schizophrenia-related cognitive deficits. We had previously shown that spironolactone ameliorates working memory deficits and hyperactivity in a mouse model of cortical excitatory/inhibitory (E/I) dysbalance caused by an overactive NRG1-ERBB4 signaling pathway. In an add-on clinical study design, we used spironolactone as adjuvant medication to the standard antipsychotic drug aripiprazole. We characterized the compound effects using our previously established Platform for Systematic Semi-Automated Behavioral and Cognitive Profiling (PsyCoP). PsyCoP is a widely applicable analysis pipeline based on the Research Domain Criteria (RDoC) framework aiming at facilitating translation into the clinic. In addition, we use dimensional reduction to analyze and visualize overall treatment effect profiles. We found that spironolactone and aripiprazole improve deficits of several cognitive domains in Tcf4tg x SD mice but partially interfere with each other’s effect in the combination therapy. A similar interaction was detected for the modulation of novelty-induced activity. In addition to its strong activity-dampening effects, we found an increase in negative valence measures as a side effect of aripiprazole treatment in mice. We suggest that repurposed drug candidates should first be tested in an adequate preclinical setting before initiating clinical trials. In addition, a more specific and effective NRG1-ERBB4 pathway inhibitor or more potent E/I balancing drug might enhance the ameliorating effect on cognition even further.
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Osacka J, Kiss A, Bacova Z, Tillinger A. Effect of Haloperidol and Olanzapine on Hippocampal Cells’ Proliferation in Animal Model of Schizophrenia. Int J Mol Sci 2022; 23:ijms23147711. [PMID: 35887056 PMCID: PMC9323809 DOI: 10.3390/ijms23147711] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 12/07/2022] Open
Abstract
Aberrant neurogenesis in the subventricular zone (SVZ) and hippocampus (HIP) contributes to schizophrenia pathogenesis. Haloperidol (HAL) and olanzapine (OLA), commonly prescribed antipsychotics for schizophrenia treatment, affect neurogenesis too. The effect of HAL and OLA on an mHippoE-2 cell line was studied in vitro where we measured the cell number and projection length. In vivo, we studied the gene expression of DCX, Sox2, BDNF, and NeuN in the SVZ and HIP in an MK-801-induced animal schizophrenia model. Cells were incubated with HAL, OLA, and MK-801 for 24, 48, and 72 h. Animals were injected for 6 days with saline or MK801 (0.5 mg/kg), and from the 7th day with either vehicle HAL (1 mg/kg) or OLA (2 mg/kg), for the next 7 days. In vitro, HAL and OLA dose/time-dependently suppressed cells’ proliferation and shortened their projection length. HAL/OLA co-treatment with MK-801 for 24 h reversed HAL’s/OLA’s inhibitory effect. In vivo, HAL and OLA suppressed DCX and NeuN genes’ expression in the HIP and SVZ. MK-801 decreased DCX and NeuN genes’ expression in the HIP and OLA prevented this effect. The data suggest that subchronic HAL/OLA treatment can inhibit DCX and NeuN expression. In an MK-801 schizophrenia model, OLA reversed the MK-801 inhibitory effect on DCX and NeuN and HAL reversed the effect on DCX expression; however, only in the HIP.
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Waszczuk K, Kucharska-Mazur J, Tyburski E, Rek-Owodziń K, Plichta P, Rudkowski K, Podwalski P, Grąźlewski T, Mak M, Misiak B, Michalczyk A, Tarnowski M, Sielatycka K, Szczęśniak A, Łuczkowska K, Dołęgowska B, Budkowska M, Ratajczak MZ, Samochowiec J. Psychopathology and Stem Cell Mobilization in Ultra-High Risk of Psychosis and First-Episode Psychosis Patients. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19106001. [PMID: 35627537 PMCID: PMC9141672 DOI: 10.3390/ijerph19106001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/07/2022] [Accepted: 05/13/2022] [Indexed: 02/04/2023]
Abstract
Although regenerative and inflammatory processes are involved in the etiopathogenesis of many psychiatric disorders, their roles are poorly understood. We investigate the potential role of stem cells (SC) and factors influencing the trafficking thereof, such as complement cascade (CC) components, phospholipid substrates, and chemokines, in the etiology of schizophrenia. We measured sphingosine-1-phosphate (S1P), stromal-derived factor 1 (SDF-1), and CC cleavage fragments (C3a, C5a, and C5b-C9; also known as the membrane attack complex) in the peripheral blood of 49 unrelated patients: 9 patients with ultra-high risk of psychosis (UHR), 22 patients with first-episode psychosis (FEP), and 18 healthy controls (HC). When compared with the HC group, the UHR and FEP groups had higher levels of C3a. We found no significant differences in hematopoietic SC, very small embryonic-like stem cell (VSEL), C5a, S1P, or SDF-1 levels in the UHR and FEP groups. However, among FEP patients, there was a significant positive correlation between VSELs (CD133+) and negative symptoms. These preliminary findings support the role of the immune system and regenerative processes in the etiology of schizophrenia. To establish the relevance of SC and other factors affecting the trafficking thereof as potential biomarkers of schizophrenia, more studies on larger groups of individuals from across the disease spectrum are needed.
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Affiliation(s)
- Katarzyna Waszczuk
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
- Correspondence: ; Tel./Fax: +48-91-35-11-322
| | - Jolanta Kucharska-Mazur
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
| | - Ernest Tyburski
- Department of Health Psychology, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (E.T.); (K.R.-O.); (P.P.); (M.M.)
| | - Katarzyna Rek-Owodziń
- Department of Health Psychology, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (E.T.); (K.R.-O.); (P.P.); (M.M.)
| | - Piotr Plichta
- Department of Health Psychology, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (E.T.); (K.R.-O.); (P.P.); (M.M.)
| | - Krzysztof Rudkowski
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
| | - Piotr Podwalski
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
| | - Tomasz Grąźlewski
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
| | - Monika Mak
- Department of Health Psychology, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (E.T.); (K.R.-O.); (P.P.); (M.M.)
| | - Błażej Misiak
- Department of Psychiatry, Division of Consultation Psychiatry and Neuroscience, Wroclaw Medical University, 50-367 Wroclaw, Poland;
| | - Anna Michalczyk
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
| | - Maciej Tarnowski
- Department of Physiology, Pomeranian University of Medicine, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland;
| | - Katarzyna Sielatycka
- Institute of Biology, Faculty of Exact and Natural Sciences, University of Szczecin, Felczaka 3c, 71-415 Szczecin, Poland;
| | - Angelika Szczęśniak
- Department of Laboratory Medicine, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (A.S.); (B.D.)
| | - Karolina Łuczkowska
- Department of General Pathology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland;
| | - Barbara Dołęgowska
- Department of Laboratory Medicine, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland; (A.S.); (B.D.)
| | - Marta Budkowska
- Department of Medical Analytics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland;
| | - Mariusz Z. Ratajczak
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40292, USA;
| | - Jerzy Samochowiec
- Department of Psychiatry, Pomeranian Medical University in Szczecin, Broniewskiego 26, 71-460 Szczecin, Poland; (J.K.-M.); (K.R.); (P.P.); (T.G.); (A.M.); (J.S.)
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Elevated endogenous GDNF induces altered dopamine signalling in mice and correlates with clinical severity in schizophrenia. Mol Psychiatry 2022; 27:3247-3261. [PMID: 35618883 PMCID: PMC9708553 DOI: 10.1038/s41380-022-01554-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 11/08/2022]
Abstract
Presynaptic increase in striatal dopamine is the primary dopaminergic abnormality in schizophrenia, but the underlying mechanisms are not understood. Here, we hypothesized that increased expression of endogenous GDNF could induce dopaminergic abnormalities that resemble those seen in schizophrenia. To test the impact of GDNF elevation, without inducing adverse effects caused by ectopic overexpression, we developed a novel in vivo approach to conditionally increase endogenous GDNF expression. We found that a 2-3-fold increase in endogenous GDNF in the brain was sufficient to induce molecular, cellular, and functional changes in dopamine signalling in the striatum and prefrontal cortex, including increased striatal presynaptic dopamine levels and reduction of dopamine in prefrontal cortex. Mechanistically, we identified adenosine A2a receptor (A2AR), a G-protein coupled receptor that modulates dopaminergic signalling, as a possible mediator of GDNF-driven dopaminergic abnormalities. We further showed that pharmacological inhibition of A2AR with istradefylline partially normalised striatal GDNF and striatal and cortical dopamine levels in mice. Lastly, we found that GDNF levels are increased in the cerebrospinal fluid of first episode psychosis patients, and in post-mortem striatum of schizophrenia patients. Our results reveal a possible contributor for increased striatal dopamine signalling in a subgroup of schizophrenia patients and suggest that GDNF-A2AR crosstalk may regulate dopamine function in a therapeutically targetable manner.
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Tendilla-Beltrán H, Coatl-Cuaya H, Meneses-Prado S, Vázquez-Roque RA, Brambila E, Tapia-Rodríguez M, Martín-Hernández D, Garcés-Ramírez L, Madrigal JLM, Leza JC, Flores G. Neuroplasticity and inflammatory alterations in the nucleus accumbens are corrected after risperidone treatment in a schizophrenia-related developmental model in rats. Schizophr Res 2021; 235:17-28. [PMID: 34298239 DOI: 10.1016/j.schres.2021.07.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 07/04/2021] [Accepted: 07/11/2021] [Indexed: 12/18/2022]
Abstract
Increased dopaminergic activity in the striatum underlies the neurobiology of psychotic symptoms in schizophrenia (SZ). Beyond the impaired connectivity among the limbic system, the excess of dopamine could lead to inflammation and oxidative/nitrosative stress. It has been suggested that atypical antipsychotic drugs attenuate psychosis not only due to their modulatory activity on the dopaminergic/serotonergic neurotransmission but also due to their anti-inflammatory/antioxidant effects. In such a manner, we assessed the effects of the atypical antipsychotic risperidone (RISP) on the structural neuroplasticity and biochemistry of the striatum in adult rats with neonatal ventral hippocampus lesion (NVHL), which is a developmental SZ-related model. RISP administration (0.25 mg/kg, i.p.) ameliorated the neuronal atrophy and the impairments in the morphology of the dendritic spines in the spiny projection neurons (SPNs) of the ventral striatum (nucleus accumbens: NAcc) in the NVHL rats. Also, RISP treatment normalized the pro-inflammatory pathways and induced the antioxidant activity of the nuclear factor (erythroid-derived 2)-like 2 (Nrf2) in this model. Our results point to the neurotrophic, anti-inflammatory, and antioxidant effects of RISP, together with its canonical antipsychotic mechanism, to enhance striatum function in animals with NVHL.
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Affiliation(s)
- Hiram Tendilla-Beltrán
- Instituto de Fisiología, Benemérita Universidad Autónoma de Puebla (BUAP), Puebla 72570, Mexico; Escuela Nacional de Ciencias Biológicas (ENCB), Instituto Politécnico Nacional (IPN), CDMX 11340, Mexico; Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense de Madrid (UCM), Madrid 28040, Spain; Instituto Universitario de Investigación en Neuroquímica (IUIN), UCM, Spain
| | - Heriberto Coatl-Cuaya
- Instituto de Fisiología, Benemérita Universidad Autónoma de Puebla (BUAP), Puebla 72570, Mexico; Escuela Nacional de Ciencias Biológicas (ENCB), Instituto Politécnico Nacional (IPN), CDMX 11340, Mexico
| | - Silvia Meneses-Prado
- Instituto de Fisiología, Benemérita Universidad Autónoma de Puebla (BUAP), Puebla 72570, Mexico
| | | | | | - Miguel Tapia-Rodríguez
- Instituto de Investigaciones Biomédicas (IIBO), Universidad Nacional Autónoma de México (UNAM), CDMX 04510, Mexico
| | - David Martín-Hernández
- Servicio de Psiquiatría del Niño y del Adolescente, Instituto de Psiquiatría y Salud Mental, Hospital General Universitario Gregorio Marañón, Facultad de Medicina, Universidad Complutense, IiSGM, CIBERSAM, Madrid, Spain
| | - Linda Garcés-Ramírez
- Escuela Nacional de Ciencias Biológicas (ENCB), Instituto Politécnico Nacional (IPN), CDMX 11340, Mexico
| | - José L M Madrigal
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense de Madrid (UCM), Madrid 28040, Spain; Instituto Universitario de Investigación en Neuroquímica (IUIN), UCM, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Investigación Sanitaria Hospital 12 de Octubre (Imas12), Madrid 28029, Spain
| | - Juan C Leza
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense de Madrid (UCM), Madrid 28040, Spain; Instituto Universitario de Investigación en Neuroquímica (IUIN), UCM, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Investigación Sanitaria Hospital 12 de Octubre (Imas12), Madrid 28029, Spain.
| | - Gonzalo Flores
- Instituto de Fisiología, Benemérita Universidad Autónoma de Puebla (BUAP), Puebla 72570, Mexico.
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Lithium and Atypical Antipsychotics: The Possible WNT/β Pathway Target in Glaucoma. Biomedicines 2021; 9:biomedicines9050473. [PMID: 33925885 PMCID: PMC8146329 DOI: 10.3390/biomedicines9050473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 12/13/2022] Open
Abstract
Glaucoma is a progressive neurodegenerative disease that represents the major cause of irreversible blindness. Recent findings have shown which oxidative stress, inflammation, and glutamatergic pathway have main roles in the causes of glaucoma. Lithium is the major commonly used drug for the therapy of chronic mental illness. Lithium therapeutic mechanisms remain complex, including several pathways and gene expression, such as neurotransmitter and receptors, circadian modulation, ion transport, and signal transduction processes. Recent studies have shown that the benefits of lithium extend beyond just the therapy of mood. Neuroprotection against excitotoxicity or brain damages are other actions of lithium. Moreover, recent findings have investigated the role of lithium in glaucoma. The combination of lithium and atypical antipsychotics (AAPs) has been the main common choice for the treatment of bipolar disorder. Due to the possible side effects gradually introduced in therapy. Currently, no studies have focused on the possible actions of AAPs in glaucoma. Recent studies have shown a down regulation of the WNT/β-catenin pathway in glaucoma, associated with the overactivation of the GSK-3β signaling. The WNT/β-catenin pathway is mainly associated with oxidative stress, inflammation and glutamatergic pathway. Lithium is correlated with upregulation the WNT/β-catenin pathway and downregulation of the GSK-3β activity. Thus, this review focuses on the possible actions of lithium and AAPs, as possible therapeutic strategies, on glaucoma and some of the presumed mechanisms by which these drugs provide their possible benefit properties through the WNT/β-catenin pathway.
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Skałbania J, Pałasz A, Błaszczyk I, Suszka-Świtek A, Krzystanek M, Tulcanaz KP, Worthington JJ, Mordecka-Chamera K. Chlorpromazine affects the numbers of Sox-2, Musashi1 and DCX-expressing cells in the rat brain subventricular zone. Pharmacol Rep 2021; 73:1164-1169. [PMID: 33843023 PMCID: PMC8413197 DOI: 10.1007/s43440-021-00259-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/28/2021] [Accepted: 03/31/2021] [Indexed: 12/05/2022]
Abstract
Background Adult neurogenesis observed both in the subventricular zone (SVZ) and hippocampus may be regulated and modulated by several endogenous factors, xenobiotics and medications. Classical and atypical antipsychotic drugs are able to affect neuronal and glial cell proliferation in the rat brain. The main purpose of this structural study was to determine whether chronic chlorpromazine treatment affects adult neurogenesis in the canonical sites of the rat brain. At present, the clinical application of chlorpromazine is rather limited; however, it may still represent an important model in basic neuropharmacological and toxicological studies. Methods The number of neural progenitors and immature neurons was enumerated using immunofluorescent detection of Sox2, Musashi1 and doublecortin (DCX) expression within SVZ. Results Chlorpromazine has a depressive effect on the early phase of adult neurogenesis in the rat subventricular zone (SVZ), as the mean number of Sox-2 immunoexpressing cells decreased following treatment. Conclusion Collectively, these results may suggest that long-term treatment with chlorpromazine may decrease neurogenic stem/progenitor cell formation in the rat SVZ and may affect rostral migratory stream formation. Supplementary Information The online version contains supplementary material available at 10.1007/s43440-021-00259-7.
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Affiliation(s)
- Jakub Skałbania
- Department of Histology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland
| | - Artur Pałasz
- Department of Histology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland.
| | - Iwona Błaszczyk
- Department of Histology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland
| | - Aleksandra Suszka-Świtek
- Department of Histology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland
| | - Marek Krzystanek
- Clinic of Psychiatric Rehabilitation, Department of Psychiatry and Psychotherapy, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Ziołowa 45/47, 40-635, Katowice, Poland
| | - Karina Paola Tulcanaz
- Faculty of Medicine, Pontifical Catholic University of Ecuador, Av. 12 de Octubre 1076, 170143, Quito, Ecuador
| | - John J Worthington
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, LA1 4YQ, UK
| | - Kinga Mordecka-Chamera
- Department of Histology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland
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Clozapine protects adult neural stem cells from ketamine-induced cell death in correlation with decreased apoptosis and autophagy. Biosci Rep 2021; 40:221825. [PMID: 31919522 PMCID: PMC6981094 DOI: 10.1042/bsr20193156] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/20/2019] [Accepted: 12/23/2019] [Indexed: 12/19/2022] Open
Abstract
Adult neurogenesis, the production of newborn neurons from neural stem cells (NSCs) has been suggested to be decreased in patients with schizophrenia. A similar finding was observed in an animal model of schizophrenia, as indicated by decreased bromodeoxyuridine (BrdU) labelling cells in response to a non-competitive N-methyl-d-aspartate (NMDA) receptor antagonist. The antipsychotic drug clozapine was shown to counteract the observed decrease in BrdU-labelled cells in hippocampal dentate gyrus (DG). However, phenotypic determination by immunohistochemistry analysis could not reveal whether BrdU-positive cells were indeed NSCs. Using a previously established cell model for analysing NSC protection in vitro, we investigated a protective effect of clozapine on NSCs. Primary NSCs were isolated from the mouse subventricular zone (SVZ), we show that clozapine had a NSC protective activity alone, as evident by employing an ATP cell viability assay. In contrast, haloperidol did not show any NSC protective properties. Subsequently, cells were exposed to the non-competitive NMDA-receptor antagonist ketamine. Clozapine, but not haloperidol, had a NSC protective/anti-apoptotic activity against ketamine-induced cytotoxicity. The observed NSC protective activity of clozapine was associated with increased expression of the anti-apoptotic marker Bcl-2, decreased expression of the pro-apoptotic cleaved form of caspase-3 and associated with decreased expression of the autophagosome marker 1A/1B-light chain 3 (LC3-II). Collectively, our findings suggest that clozapine may have a protective/anti-apoptotic effect on NSCs, supporting previous in vivo observations, indicating a neurogenesis-promoting activity for clozapine. If the data are further confirmed in vivo, the results may encourage an expanded use of clozapine to restore impaired neurogenesis in schizophrenia.
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Calabrese EJ, Calabrese V, Giordano J. Putative hormetic mechanisms and effects of atypical antipsychotic agents: Implications for study design and clinical psychopharmacotherapeutics. Chem Biol Interact 2020; 333:109327. [PMID: 33242461 DOI: 10.1016/j.cbi.2020.109327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/11/2020] [Accepted: 11/20/2020] [Indexed: 11/17/2022]
Abstract
This paper addresses a novel putative mechanism by which atypical antipsychotic agents induce clinically significant neuroprotective effects that may be viable in the treatment of schizophrenia - and perhaps other neuropsychiatric disorders. Based upon experimental studies with multiple in vitro models (i.e., PC 12 cells, NSC-34 hybrid cells, SH-SY5Y cells, the immune cell line U-937) and several rodent in vivo models, six atypical antipsychotic drugs, within direct experimental comparisons and/or preconditioning protocol studies with six different stressor/toxic agents (i.e. rotenone, hydrogen peroxide, MPP+, serum withdrawal, beta-amyloid, and corticosterone) were demonstrated to induce neuroprotective effects with consistently hormetic dose response patterns. These findings suggest that some of the reported neuroprotective effects of atypical human antipsychotic agents are likely to be mediated by hormetic mechanisms. These findings may have important implications for both experimental study design and clinical therapeutics.
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Affiliation(s)
- Edward J Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA, 01003, USA.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 78, Catania, 95123, Italy.
| | - James Giordano
- Departments of Neurology and Biochemistry, Georgetown University Medical Center, Washington, DC, 20057, USA.
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Bortolasci CC, Spolding B, Kidnapillai S, Connor T, Truong TT, Liu ZS, Panizzutti B, Richardson MF, Gray L, Berk M, Dean OM, Walder K. Transcriptional Effects of Psychoactive Drugs on Genes Involved in Neurogenesis. Int J Mol Sci 2020; 21:ijms21218333. [PMID: 33172123 PMCID: PMC7672551 DOI: 10.3390/ijms21218333] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/03/2020] [Indexed: 12/11/2022] Open
Abstract
Although neurogenesis is affected in several psychiatric diseases, the effects and mechanisms of action of psychoactive drugs on neurogenesis remain unknown and/or controversial. This study aims to evaluate the effects of psychoactive drugs on the expression of genes involved in neurogenesis. Neuronal-like cells (NT2-N) were treated with amisulpride (10 µM), aripiprazole (0.1 µM), clozapine (10 µM), lamotrigine (50 µM), lithium (2.5 mM), quetiapine (50 µM), risperidone (0.1 µM), or valproate (0.5 mM) for 24 h. Genome wide mRNA expression was quantified and analysed using gene set enrichment analysis, with the neurogenesis gene set retrieved from the Gene Ontology database and the Mammalian Adult Neurogenesis Gene Ontology (MANGO) database. Transcription factors that are more likely to regulate these genes were investigated to better understand the biological processes driving neurogenesis. Targeted metabolomics were performed using gas chromatography-mass spectrometry. Six of the eight drugs decreased the expression of genes involved in neurogenesis in both databases. This suggests that acute treatment with these psychoactive drugs negatively regulates the expression of genes involved in neurogenesis in vitro. SOX2 and three of its target genes (CCND1, BMP4, and DKK1) were also decreased after treatment with quetiapine. This can, at least in part, explain the mechanisms by which these drugs decrease neurogenesis at a transcriptional level in vitro. These results were supported by the finding of increased metabolite markers of mature neurons following treatment with most of the drugs tested, suggesting increased proportions of mature relative to immature neurons consistent with reduced neurogenesis.
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Affiliation(s)
- Chiara C. Bortolasci
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
- Correspondence:
| | - Briana Spolding
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Srisaiyini Kidnapillai
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Timothy Connor
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Trang T.T. Truong
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Zoe S.J. Liu
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Bruna Panizzutti
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Mark F. Richardson
- School of Life and Environmental Sciences, Genomics Centre, Deakin University, Geelong 3220, Australia;
| | - Laura Gray
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
| | - Michael Berk
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- Department of Psychiatry, Royal Melbourne Hospital, University of Melbourne, Parkville 3052, Australia
- Centre of Youth Mental Health, University of Melbourne, Parkville 3052, Australia
- Orygen Youth Health Research Centre, Parkville 3052, Australia
| | - Olivia M. Dean
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- Florey Institute for Neuroscience and Mental Health, University of Melbourne, Parkville 3052, Australia
| | - Ken Walder
- The Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong 3220, Australia; (B.S.); (T.C.); (T.T.T.T.); (Z.S.J.L.); (B.P.); (L.G.); (M.B.); (O.M.D.); (K.W.)
- School of Medicine, Centre for Molecular and Medical Research, Deakin University, Geelong 3220, Australia;
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Luján MÁ, Valverde O. The Pro-neurogenic Effects of Cannabidiol and Its Potential Therapeutic Implications in Psychiatric Disorders. Front Behav Neurosci 2020; 14:109. [PMID: 32676014 PMCID: PMC7333542 DOI: 10.3389/fnbeh.2020.00109] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/02/2020] [Indexed: 12/20/2022] Open
Abstract
During the last decades, researchers have investigated the functional relevance of adult hippocampal neurogenesis in normal brain function as well as in the pathogenesis of diverse psychiatric conditions. Although the underlying mechanisms of newborn neuron differentiation and circuit integration have yet to be fully elucidated, considerable evidence suggests that the endocannabinoid system plays a pivotal role throughout the processes of adult neurogenesis. Thus, synthetic, and natural cannabinoid compounds targeting the endocannabinoid system have been utilized to modulate the proliferation and survival of neural progenitor cells and immature neurons. Cannabidiol (CBD), a constituent of the Cannabis Sativa plant, interacts with the endocannabinoid system by inhibiting fatty acid amide hydrolase (FAAH) activity (the rate-limiting enzyme for anandamide hydrolysis), allosterically modulating CB1 and CB2 receptors, and activating components of the "extended endocannabinoid system." Congruently, CBD has shown prominent pro-neurogenic effects, and, unlike Δ9-tetrahydrocannabinol, it has the advantage of being devoid of psychotomimetic effects. Here, we first review pre-clinical studies supporting the facilitating effects of CBD on adult hippocampal neurogenesis and available data disclosing cannabinoid mechanisms by which CBD can induce neural proliferation and differentiation. We then review the respective implications for its neuroprotective, anxiolytic, anti-depressant, and anti-reward actions. In conclusion, accumulating evidence reveals that, in rodents, adult neurogenesis is key to understand the behavioral manifestation of symptomatology related to different mental disorders. Hence, understanding how CBD promotes adult neurogenesis in rodents could shed light upon translational therapeutic strategies aimed to ameliorate psychiatric symptomatology dependent on hippocampal function in humans.
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Affiliation(s)
- Miguel Á. Luján
- Neurobiology of Behaviour Research Group (GReNeC—NeuroBio), Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | - Olga Valverde
- Neurobiology of Behaviour Research Group (GReNeC—NeuroBio), Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
- Neuroscience Research Programme, IMIM-Hospital del Mar Research Institute, Barcelona, Spain
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20
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Hu N, Sun H, Fu G, Zhang W, Xiao Y, Zhang L, Li W, Li Z, Huang G, Tan Y, Sweeney JA, Gong Q, Lui S. Anatomic abnormalities of hippocampal subfields in never-treated and antipsychotic-treated patients with long-term schizophrenia. Eur Neuropsychopharmacol 2020; 35:39-48. [PMID: 32402652 DOI: 10.1016/j.euroneuro.2020.03.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/17/2020] [Accepted: 03/27/2020] [Indexed: 02/08/2023]
Abstract
Hippocampal volume deficits have been reported in chronically-treated schizophrenia patients, however, the longer-term effects of antipsychotic medications on hippocampal anatomy are unclear. This case-control study investigated volume differences in hippocampal subfields of never-treated and antipsychotic-treated patients with long-term schizophrenia. High spatial-resolution T1-weighted magnetic resonance images were collected from 29 never-treated and 40 antipsychotic-treated patients with long-term schizophrenia matched for illness duration (all ≥ 5 years), and 40 demographically-matched healthy controls. Hippocampal subfield volumes were measured using FreeSurfer v6.0, compared across groups and between hemispheres, and correlated with clinical features. Volume reductions were found in both patient groups compared to healthy controls in 8 of 26 hippocampal subfields (Cohen's d = 0.46 - 1.17, P = < .001 - .03), and more diffusely and obviously in never-treated than treated patients (Cohen's d = 0.50 - 0.90, P = < .001 - .04). Greater right-than-left volumes were seen in treated patients and healthy controls in 11 of 13 subfields (T = 2.30 - 7.29, P = < .001 - .03), but not in never-treated patients, in whom the volumes were reduced more on the right than on the left. Subfield volumes were negatively correlated with symptom severity and illness duration, and declined with age in never-treated patients. Findings indicate clinically-relevant and age-related volume reductions in hippocampal subfields of never-treated patients with long-term schizophrenia. Broader and greater subfield deficits in never-treated than treated patients, especially in the right hippocampus, suggest that long-term antipsychotic treatment may benefit hippocampal structures over the longer-term course of illness.
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Affiliation(s)
- Na Hu
- Department of Radiology, West China Hospital of Sichuan University, No 37, Guoxue Alley, Chengdu 610041, China; Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Huaiqiang Sun
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Gui Fu
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China; Department of Radiology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Wenjing Zhang
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Yuan Xiao
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Lianqing Zhang
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Wenbin Li
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Zhe Li
- Mental Health Center and Psychiatric Laboratory, The State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, China
| | - Guoping Huang
- Department of Psychiatry, The Mental Health Center of Sichuan, Mianyang, China
| | - Youguo Tan
- Department of Psychiatry, Zigong Mental Health Center, Zigong, China
| | - John A Sweeney
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China; Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, OH, USA
| | - Qiyong Gong
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Su Lui
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China.
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21
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Huang J, Zhu Y, Fan F, Chen S, Hong Y, Cui Y, Luo X, Tan S, Wang Z, Shang L, Yuan Y, Zhang J, Yang F, Li CSR, Rowland LM, Kochunov P, Zhang F, Hong LE, Tan Y. Hippocampus and cognitive domain deficits in treatment-resistant schizophrenia: A comparison with matched treatment-responsive patients and healthy controls ✰,✰✰,★,★★. Psychiatry Res Neuroimaging 2020; 297:111043. [PMID: 32062167 PMCID: PMC7490244 DOI: 10.1016/j.pscychresns.2020.111043] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 01/28/2020] [Accepted: 01/30/2020] [Indexed: 01/27/2023]
Abstract
Some patients with schizophrenia do not respond to pharmacotherapy. More severe cognitive dysfunctions have been associated with treatment-resistant schizophrenia (TRS). This study examines cognitive functions and hippocampal volumes in 43 patients with TRS and compared them to 43 treatment-responsive patients (NTRS), matched on age, sex and education, as well as 53 healthy controls (HC). The results showed that there were significant deficits in all domains of cognition and hippocampal volumes in TRS as compared to HC group. However, TRS specific deficits, as indicated by comparisons with matched NTRS, were limited to poorer performance in working memory (p = 0.003) and smaller total hippocampal volume (p = 0.01). Logistic regression analysis showed that working memory deficits [OR 0.94 (95% CI 0.89-0.98), p = 0.005] and smaller hippocampal volume [OR 0.89 (95% CI 0.81-0.97), p = 0.01], but not their interactions (p = 0.68), contributed to higher risk of treatment resistance. The findings suggest that treatment-resistance to currently available antipsychotic medications may not be due to global cognitive deficits in these patients, but be associated with specific deficits in working memory and hippocampus deficits in the subgroup of schizophrenia.
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Affiliation(s)
- Junchao Huang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Yu Zhu
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Fengmei Fan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Song Chen
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Yuan Hong
- Department of Epidemiology and Biostatistics, University of South Carolina Arnold School of Public Health, Columbia, SC, United States
| | - Yimin Cui
- Department of Pharmacy, Peking University First Hospital, Beijing, P.R. China
| | - Xingguang Luo
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Shuping Tan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Zhiren Wang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Lan Shang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Ying Yuan
- School of Foreign Languages and Literature, Tianjin University, Tianjin, P. R. China
| | - Jianxin Zhang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Fude Yang
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China
| | - Chiang-Shan R Li
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States
| | - Laura M Rowland
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, United States
| | - Peter Kochunov
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, United States
| | - Fengyu Zhang
- Global Clinical and Translational Research Institute, Bethesda, United States
| | - L Elliot Hong
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, United States
| | - Yunlong Tan
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, P. R. China.
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22
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Robertson OD, Coronado NG, Sethi R, Berk M, Dodd S. Putative neuroprotective pharmacotherapies to target the staged progression of mental illness. Early Interv Psychiatry 2019; 13:1032-1049. [PMID: 30690898 DOI: 10.1111/eip.12775] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 12/26/2018] [Indexed: 12/22/2022]
Abstract
AIM Neuropsychiatric disorders including depression, bipolar and schizophrenia frequently exhibit a neuroprogressive course from prodrome to chronicity. There are a range of agents exhibiting capacity to attenuate biological mechanisms associated with neuroprogression. This review will update the evidence for putative neuroprotective agents including clinical efficacy, mechanisms of action and limitations in current assessment tools, and identify novel agents with neuroprotective potential. METHOD Data for this review were sourced from online databases PUBMED, Embase and Web of Science. Only data published since 2012 were included in this review, no data were excluded based on language or publication origin. RESULTS Each of the agents reviewed inhibit one or multiple pathways of neuroprogression including: inflammatory gene expression and cytokine release, oxidative and nitrosative stress, mitochondrial dysfunction, neurotrophin dysregulation and apoptotic signalling. Some demonstrate clinical efficacy in preventing neural damage or loss, relapse or cognitive/functional decline. Agents include: the psychotropic medications lithium, second generation antipsychotics and antidepressants; other pharmacological agents such as minocycline, aspirin, cyclooxygenase-2 inhibitors, statins, ketamine and alpha-2-delta ligands; and others such as erythropoietin, oestrogen, leptin, N-acetylcysteine, curcumin, melatonin and ebselen. CONCLUSIONS Signals of evidence of clinical neuroprotection are evident for a number of candidate agents. Adjunctive use of multiple agents may present a viable avenue to clinical realization of neuroprotection. Definitive prospective studies of neuroprotection with multimodal assessment tools are required.
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Affiliation(s)
- Oliver D Robertson
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Victoria, Australia.,Mental Health, Drugs and Alcohol Services, University Hospital Geelong, Barwon Health, Geelong, Victoria, Australia
| | - Nieves G Coronado
- Unidad de Gestión Clinica Salud Mental, Hospital Universitario Virgen del Rocio, Sevilla, Spain
| | - Rickinder Sethi
- Department of Psychiatry, Western University, London, Ontario, Canada
| | - Michael Berk
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Victoria, Australia.,Mental Health, Drugs and Alcohol Services, University Hospital Geelong, Barwon Health, Geelong, Victoria, Australia.,Department of Psychiatry, The University of Melbourne, Parkville, Victoria, Australia.,Mood Disorders Research Program, Orygen, the National Centre of Excellence in Youth Mental Health, Parkville, Victoria, Australia.,Department of Psychiatry, Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia
| | - Seetal Dodd
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Victoria, Australia.,Mental Health, Drugs and Alcohol Services, University Hospital Geelong, Barwon Health, Geelong, Victoria, Australia.,Department of Psychiatry, The University of Melbourne, Parkville, Victoria, Australia.,Mood Disorders Research Program, Orygen, the National Centre of Excellence in Youth Mental Health, Parkville, Victoria, Australia
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23
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The impact of sugar consumption on stress driven, emotional and addictive behaviors. Neurosci Biobehav Rev 2019; 103:178-199. [DOI: 10.1016/j.neubiorev.2019.05.021] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/14/2019] [Accepted: 05/19/2019] [Indexed: 12/20/2022]
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24
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Bem J, Brożko N, Chakraborty C, Lipiec MA, Koziński K, Nagalski A, Szewczyk ŁM, Wiśniewska MB. Wnt/β-catenin signaling in brain development and mental disorders: keeping TCF7L2 in mind. FEBS Lett 2019; 593:1654-1674. [PMID: 31218672 PMCID: PMC6772062 DOI: 10.1002/1873-3468.13502] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 06/13/2019] [Accepted: 06/14/2019] [Indexed: 12/12/2022]
Abstract
Canonical Wnt signaling, which is transduced by β-catenin and lymphoid enhancer factor 1/T cell-specific transcription factors (LEF1/TCFs), regulates many aspects of metazoan development and tissue renewal. Although much evidence has associated canonical Wnt/β-catenin signaling with mood disorders, the mechanistic links are still unknown. Many components of the canonical Wnt pathway are involved in cellular processes that are unrelated to classical canonical Wnt signaling, thus further blurring the picture. The present review critically evaluates the involvement of classical Wnt/β-catenin signaling in developmental processes that putatively underlie the pathology of mental illnesses. Particular attention is given to the roles of LEF1/TCFs, which have been discussed surprisingly rarely in this context. Highlighting recent discoveries, we propose that alterations in the activity of LEF1/TCFs, and particularly of transcription factor 7-like 2 (TCF7L2), result in defects previously associated with neuropsychiatric disorders, including imbalances in neurogenesis and oligodendrogenesis, the functional disruption of thalamocortical circuitry and dysfunction of the habenula.
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Affiliation(s)
- Joanna Bem
- Centre of New TechnologiesUniversity of WarsawPoland
| | - Nikola Brożko
- Centre of New TechnologiesUniversity of WarsawPoland
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25
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Turner A, McGrath JJ, Dean OM, Dodd S, Baker A, Cotton SM, Scott JG, Kavanagh BE, Ashton MM, Walker AJ, Brown E, Berk M. Protocol and Rationale: A 24-week Double-blind, Randomized, Placebo Controlled Trial of the Efficacy of Adjunctive Garcinia mangostanaLinn. (Mangosteen) Pericarp for Schizophrenia. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2019; 17:297-307. [PMID: 30905130 PMCID: PMC6478095 DOI: 10.9758/cpn.2019.17.2.297] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 12/21/2022]
Abstract
Objective Garcinia mangostana Linn., commonly known as mangosteen, is a tropical fruit with a thick pericarp rind containing bioactive compounds that may be beneficial as an adjunctive treatment for schizophrenia. The biological underpinnings of schizophrenia are believed to involve altered neurotransmission, inflammation, redox systems, mitochondrial dysfunction, and neurogenesis. Mangosteen pericarp contains xanthones which may target these biological pathways and improve symptoms; this is supported by preclinical evidence. Here we outline the protocol for a double-blind randomized placebo-controlled trial evaluating the efficacy of adjunctive mangosteen pericarp (1,000 mg/day), compared to placebo, in the treatment of schizophrenia. Methods We aim to recruit 150 participants across two sites (Geelong and Brisbane). Participants diagnosed with schizophrenia or schizoaffective disorder will be randomized to receive 24 weeks of either adjunctive 1,000 mg/day of mangosteen pericarp or matched placebo, in addition to their usual treatment. The primary outcome measure is mean change in the Positive and Negative Symptom Scale (total score) over the 24 weeks. Secondary outcomes include positive and negative symptoms, general psychopathology, clinical global severity and improvement, depressive symptoms, life satisfaction, functioning, participants reported overall improvement, substance use, cognition, safety and biological data. A 4-week post treatment interview at week 28 will explore post-discontinuations effects. Results Ethical and governance approvals were gained and the trial commenced. Conclusion A positive finding in this study has the potential to provide a new adjunctive treatment option for people with schizophrenia and schizoaffective disorder. It may also lead to a greater understanding of the pathophysiology of the disorder.
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Affiliation(s)
- Alyna Turner
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health.,Faculty of Health and Medicine, School of Medicine and Public Health, The University of Newcastle.,Department of Psychiatry, University of Melbourne, Royal Melbourne Hospital
| | - John J McGrath
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health.,Queensland Brain Institute, University of Queensland.,National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University
| | - Olivia M Dean
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health.,Department of Psychiatry, University of Melbourne, Royal Melbourne Hospital.,Florey Institute of Neuroscience and Mental Health, University of Melbourne
| | - Seetal Dodd
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health.,Department of Psychiatry, University of Melbourne, Royal Melbourne Hospital.,Centre for Youth Mental Health, The University of Melbourne
| | - Andrea Baker
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health
| | - Susan M Cotton
- Centre for Youth Mental Health, The University of Melbourne.,Orygen, The National Centre of Excellence in Youth Mental Health
| | - James G Scott
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health.,Metro North Mental Health Service.,Faculty of Medicine, The University of Queensland
| | - Bianca E Kavanagh
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health
| | - Melanie M Ashton
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health.,Florey Institute of Neuroscience and Mental Health, University of Melbourne.,Department of Psychiatry, University of Melbourne, Professorial Unit, The Melbourne Clinic
| | - Adam J Walker
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health
| | - Ellie Brown
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health.,Centre for Youth Mental Health, The University of Melbourne.,Orygen, The National Centre of Excellence in Youth Mental Health
| | - Michael Berk
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Barwon Health.,Department of Psychiatry, University of Melbourne, Royal Melbourne Hospital.,Florey Institute of Neuroscience and Mental Health, University of Melbourne.,Orygen, The National Centre of Excellence in Youth Mental Health
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26
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Wang X, Luo C, Mao XY, Li X, Yin JY, Zhang W, Zhou HH, Liu ZQ. Metformin reverses the schizophrenia-like behaviors induced by MK-801 in rats. Brain Res 2019; 1719:30-39. [PMID: 31121159 DOI: 10.1016/j.brainres.2019.05.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/16/2019] [Accepted: 05/19/2019] [Indexed: 12/11/2022]
Abstract
Schizophrenia is known to be a complex and disabling psychiatric disorder. Dopamine receptor antagonists have a significant therapeutic effect in improving the positive symptoms that are associated with the illness. Therefore, dopamine receptor antagonists are commonly used in the treatment of schizophrenia; however, they do not achieve satisfactory results in improving negative symptoms and cognitive impairment. Metformin, widely known as an antidiabetic drug, has been found to enhance spatial memory formation and improve anxiety-like behaviors in rodents. Metformin's neuroprotective effect has been well documented in several neurological disorders including Alzheimer's disease, Parkinson's disease, strokes, Huntington's disease, and seizures. In the present study, we used a rat model to explore the effect of metformin on schizophrenia-like behaviors induced by MK-801 (dizocilpine), an N-methyl-D-aspartate (NMDA) receptor antagonist. We found that the pre-pulse inhibition (PPI) deficit caused by MK-801 could be alleviated by metformin. The hyperlocomotion in the open field test induced by chronic treatment of MK-801 was reversed by administration of metformin. Metformin has no effect on the baseline level of anxiety in normal naive rats, while metformin could relieve the anxiety-like behaviors in MK-801-treatment rats, though this effect is not reaching a significant level. Additionally, metformin could significantly ameliorate working memory impairments induced by MK-801. Moreover, the increased level of phosphorylation of Akt and GSK3β in the frontal cortex induced by MK-801 was normalized by metformin. In conclusion, our results demonstrate that metformin improved schizophrenia-like symptoms in rats, and is therefore a potential agent for the treatment of schizophrenia.
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Affiliation(s)
- Xu Wang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China
| | - Chao Luo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China; School of Life Sciences, Central South University, Changsha, Hunan 410078, PR China
| | - Xiao-Yuan Mao
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China
| | - Xi Li
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China
| | - Ji-Ye Yin
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Hong-Hao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, PR China
| | - Zhao-Qian Liu
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, PR China; Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, PR China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, PR China.
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27
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Haruyama N, Sakumi K, Katogi A, Tsuchimoto D, De Luca G, Bignami M, Nakabeppu Y. 8-Oxoguanine accumulation in aged female brain impairs neurogenesis in the dentate gyrus and major island of Calleja, causing sexually dimorphic phenotypes. Prog Neurobiol 2019; 180:101613. [PMID: 31026482 DOI: 10.1016/j.pneurobio.2019.04.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/16/2019] [Accepted: 04/19/2019] [Indexed: 12/13/2022]
Abstract
In mammals, including humans, MTH1 with 8-oxo-dGTPase and OGG1 with 8-oxoguanine DNA glycosylase minimize 8-oxoguanine accumulation in genomic DNA. We investigated age-related alterations in behavior, 8-oxoguanine levels, and neurogenesis in the brains of Mth1/Ogg1-double knockout (TO-DKO), Ogg1-knockout, and human MTH1-transgenic (hMTH1-Tg) mice. Spontaneous locomotor activity was significantly decreased in wild-type mice with age, and females consistently exhibited higher locomotor activity than males. This decrease was significantly suppressed in female but not male TO-DKO mice and markedly enhanced in female hMTH1-Tg mice. Long-term memory retrieval was impaired in middle-aged female TO-DKO mice. 8-Oxoguanine accumulation significantly increased in nuclear DNA, particularly in the dentate gyrus (DG), subventricular zone (SVZ) and major island of Calleja (ICjM) in middle-aged female TO-DKO mice. In middle-aged female TO-DKO mice, neurogenesis was severely impaired in SVZ and DG, accompanied by ICjM and DG atrophy. Conversely, expression of hMTH1 efficiently suppressed 8-oxoguanine accumulation in both SVZ and DG with hypertrophy of ICjM. These findings indicate that newborn neurons from SVZ maintain ICjM in the adult brain, and increased accumulation of 8-oxoguanine in nuclear DNA of neural progenitors in females is caused by 8-oxo-dGTP incorporation during proliferation, causing depletion of neural progenitors, altered behavior, and cognitive function changes with age.
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Affiliation(s)
- Naoki Haruyama
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kunihiko Sakumi
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Atsuhisa Katogi
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Daisuke Tsuchimoto
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Gabriele De Luca
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome 00161, Italy
| | - Margherita Bignami
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome 00161, Italy
| | - Yusaku Nakabeppu
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
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Ott CV, Johnson CB, Macoveanu J, Miskowiak K. Structural changes in the hippocampus as a biomarker for cognitive improvements in neuropsychiatric disorders: A systematic review. Eur Neuropsychopharmacol 2019; 29:319-329. [PMID: 30654916 DOI: 10.1016/j.euroneuro.2019.01.105] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/19/2018] [Accepted: 01/06/2019] [Indexed: 02/07/2023]
Abstract
Cognitive impairments are a core feature of several neuropsychiatric disorders. A common biomarker for pro-cognitive effects may provide a much-needed tool to select amongst candidate treatments targeting cognition. The hippocampus is a promising biomarker for target-engagement due to the illness-associated morphological hippocampal changes across unipolar disorder (UD), bipolar disorder (BD) and schizophrenia (SCZ). Following the PRISMA guidelines, we searched PubMed and Embase, for clinical trials targeting cognition across neuropsychiatric disorders, with longitudinal structural magnetic resonance imaging (MRI) measures of the hippocampus. Five randomized and three open-label trials were included. Hippocampal volume increases were associated with treatment-related cognitive improvement following treatment with erythropoietin across UD, BD and SCZ, lithium treatment in BD and aerobic exercise in SCZ. Conversely, an exercise intervention in UD showed no effect on hippocampal volume or cognition. Together, these observations point to hippocampal volume change as a putative biomarker-model for cognitive improvement. Future cognition trials are encouraged to include MRI assessments pre- and post-treatment to assess the validity of hippocampal changes as a biomarker for pro-cognitive effects.
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Affiliation(s)
- Caroline Vintergaard Ott
- Neurocognition and Emotion in Affective Disorders (NEAD) Group, Psychiatric Centre Copenhagen, Copenhagen University Hospital, Rigshospitalet, Edel Sauntes Allé 10, 2100 Copenhagen, Denmark; Department of Psychology, University of Copenhagen, Øster Farimagsgade 2A, 1353 Copenhagen, Denmark
| | - Claire Bergstrom Johnson
- Neurocognition and Emotion in Affective Disorders (NEAD) Group, Psychiatric Centre Copenhagen, Copenhagen University Hospital, Rigshospitalet, Edel Sauntes Allé 10, 2100 Copenhagen, Denmark
| | - Julian Macoveanu
- Neurocognition and Emotion in Affective Disorders (NEAD) Group, Psychiatric Centre Copenhagen, Copenhagen University Hospital, Rigshospitalet, Edel Sauntes Allé 10, 2100 Copenhagen, Denmark
| | - Kamilla Miskowiak
- Neurocognition and Emotion in Affective Disorders (NEAD) Group, Psychiatric Centre Copenhagen, Copenhagen University Hospital, Rigshospitalet, Edel Sauntes Allé 10, 2100 Copenhagen, Denmark; Department of Psychology, University of Copenhagen, Øster Farimagsgade 2A, 1353 Copenhagen, Denmark.
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29
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Murata Y, Matsuda H, Mikami Y, Hirose S, Mori M, Ohe K, Mine K, Enjoji M. Chronic administration of quetiapine stimulates dorsal hippocampal proliferation and immature neurons of male rats, but does not reverse psychosocial stress-induced hyponeophagic behavior. Psychiatry Res 2019; 272:411-418. [PMID: 30611957 DOI: 10.1016/j.psychres.2018.12.137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 12/25/2018] [Accepted: 12/26/2018] [Indexed: 12/14/2022]
Abstract
Quetiapine, an atypical antipsychotic, has been used for the treatment of several neuropsychiatric disorders. However, the underlying mechanism of the broad therapeutic range of quetiapine remains unknown. We previously reported that several aversive conditions affect dorsal/ventral hippocampal neurogenesis differentially. This study was aimed to elucidate the positive effects of chronic treatment with quetiapine on regional differences in hippocampal proliferation and immature neurons and behavioral changes under psychosocial stress using the Resident-Intruder paradigm. Twenty-three male Sprague-Dawley rats were intraperitoneally administered a vehicle or quetiapine (10 mg/kg) once daily for 28 days. Two weeks after starting the injections, animals were exposed to intermittent social defeat (four times over two weeks). The behavioral effects of stress and quetiapine were evaluated by the Novelty-Suppressed Feeding (NSF) test. The stereological quantification of hippocampal neurogenesis was estimated using immunostaining with Ki-67 and doublecortin (DCX). Chronic quetiapine treatment stimulated the Ki-67- and DCX-positive cells in the dorsal hippocampus, but not in the ventral subregion. The stress-induced changes in neurogenesis and hyponeophagic behavior were not reversed by repeated administration of quetiapine. Future study with additional behavioral tests is needed to elucidate the functional significance of the quetiapine-induced increase in dorsal hippocampal neurogenesis.
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Affiliation(s)
- Yusuke Murata
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan.
| | - Hiroko Matsuda
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Yoko Mikami
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Shiori Hirose
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Masayoshi Mori
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kenji Ohe
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
| | - Kazunori Mine
- Faculty of Neurology and Psychiatry, Mito Hospital, 4-1-1, Shime-Higashi, Shime-Machi, Kasuya-Gun, Fukuoka 811-2243, Japan
| | - Munechika Enjoji
- Department of Pharmacotherapeutics, Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1, Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
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Aringhieri S, Carli M, Kolachalam S, Verdesca V, Cini E, Rossi M, McCormick PJ, Corsini GU, Maggio R, Scarselli M. Molecular targets of atypical antipsychotics: From mechanism of action to clinical differences. Pharmacol Ther 2018; 192:20-41. [PMID: 29953902 DOI: 10.1016/j.pharmthera.2018.06.012] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The introduction of atypical antipsychotics (AAPs) since the discovery of its prototypical drug clozapine has been a revolutionary pharmacological step for treating psychotic patients as these allow a significant recovery not only in terms of hospitalization and reduction in symptoms severity, but also in terms of safety, socialization and better rehabilitation in the society. Regarding the mechanism of action, AAPs are weak D2 receptor antagonists and they act beyond D2 antagonism, involving other receptor targets which regulate dopamine and other neurotransmitters. Consequently, AAPs present a significant reduction of deleterious side effects like parkinsonism, hyperprolactinemia, apathy and anhedonia, which are all linked to the strong blockade of D2 receptors. This review revisits previous and current findings within the class of AAPs and highlights the differences in terms of receptor properties and clinical activities among them. Furthermore, we propose a continuum spectrum of "atypia" that begins with risperidone (the least atypical) to clozapine (the most atypical), while all the other AAPs fall within the extremes of this spectrum. Clozapine is still considered the gold standard in refractory schizophrenia and in psychoses present in Parkinson's disease, though it has been associated with adverse effects like agranulocytosis (0.7%) and weight gain, pushing the scientific community to find new drugs as effective as clozapine, but devoid of its side effects. To achieve this, it is therefore imperative to characterize and compare in depth the very complex molecular profile of AAPs. We also introduce relatively new concepts like biased agonism, receptor dimerization and neurogenesis to identify better the old and new hallmarks of "atypia". Finally, a detailed confrontation of clinical differences among the AAPs is presented, especially in relation to their molecular targets, and new means like therapeutic drug monitoring are also proposed to improve the effectiveness of AAPs in clinical practice.
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Affiliation(s)
- Stefano Aringhieri
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Marco Carli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Shivakumar Kolachalam
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Valeria Verdesca
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Enrico Cini
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Mario Rossi
- Institute of Molecular Cell and Systems Biology, University of Glasgow, UK
| | - Peter J McCormick
- William Harvey Research Institute, Barts and the London School of Medicine, Queen Mary University of London, London EC1M 6BQ, UK
| | - Giovanni U Corsini
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy
| | - Roberto Maggio
- Biotechnological and Applied Clinical Sciences Department, University of L'Aquila, Italy
| | - Marco Scarselli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Italy.
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31
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The use of quetiapine in the treatment of major depressive disorder: Evidence from clinical and experimental studies. Neurosci Biobehav Rev 2018; 86:36-50. [DOI: 10.1016/j.neubiorev.2017.12.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/24/2017] [Accepted: 12/24/2017] [Indexed: 12/19/2022]
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