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Alsanie WF, Abdelrahman S, Alhomrani M, Gaber A, Alosimi EA, Habeeballah H, Alkhatabi HA, Felimban RI, Hauser CAE, Tayeb HH, Alamri AS, Alamri A, Raafat BM, Alswat KA, Althobaiti YS, Asiri YA. The Influence of Prenatal Exposure to Quetiapine Fumarate on the Development of Dopaminergic Neurons in the Ventral Midbrain of Mouse Embryos. Int J Mol Sci 2022; 23:ijms232012352. [PMID: 36293205 PMCID: PMC9603924 DOI: 10.3390/ijms232012352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
Abstract
The effects of second-generation antipsychotics on prenatal neurodevelopment, apoptotic neurodegeneration, and postnatal developmental delays have been poorly investigated. Even at standard doses, the use of quetiapine fumarate (QEPF) in pregnant women might be detrimental to fetal development. We used primary mouse embryonic neurons to evaluate the disruption of morphogenesis and differentiation of ventral midbrain (VM) neurons after exposure to QEPF. The dopaminergic VM neurons were deliberately targeted due to their roles in cognition, motor activity, and behavior. The results revealed that exposure to QEPF during early brain development decreased the effects of the dopaminergic lineage-related genes Tyrosine hydroxylase(Th), Dopamine receptor D1 (Drd1), Dopamine transporter (Dat), LIM homeobox transcription factor 1 alfa (Lmx1a), and Cell adhesion molecule L1 (Chl1), and the senescent dopaminergic gene Pituitary homeobox 3 (Pitx3). In contrast, Brain derived neurotrophic factor (Bdnf) and Nuclear receptor-related 1 (Nurr1) expressions were significantly upregulated. Interestingly, QEPF had variable effects on the development of non-dopaminergic neurons in VM. An optimal dose of QEPF (10 µM) was found to insignificantly affect the viability of neurons isolated from the VM. It also instigated a non-significant reduction in adenosine triphosphate formation in these neuronal populations. Exposure to QEPF during the early stages of brain development could also hinder the formation of VM and their structural phenotypes. These findings could aid therapeutic decision-making when prescribing 2nd generation antipsychotics in pregnant populations.
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Affiliation(s)
- Walaa F. Alsanie
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Correspondence:
| | - Sherin Abdelrahman
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah 23955, Saudi Arabia
| | - Majid Alhomrani
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ahmed Gaber
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ebtisam Abdulah Alosimi
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hamza Habeeballah
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences in Rabigh, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Heba A. Alkhatabi
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Center of Excellence in Genomic Medicine Research (CEGMR), King Abdulaziz University, Jeddah 21589, Saudi Arabia
- King Fahd Medical Research Centre, Hematology Research Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Raed I. Felimban
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Charlotte A. E. Hauser
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah 23955, Saudi Arabia
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah 23955, Saudi Arabia
| | - Hossam H. Tayeb
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Nanomedicine Unit, Center of Innovation in Personalized Medicine (CIPM), King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Abdulhakeem S. Alamri
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Abdulwahab Alamri
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Hail, Hail 55211, Saudi Arabia
| | - Bassem M. Raafat
- Department of Radiological Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Khaled A. Alswat
- Department of Internal Medicine, School of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Yusuf S. Althobaiti
- Department of Pharmacology and Toxicology, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Addiction and Neuroscience Research Unit, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Yousif A. Asiri
- Department of Clinical Pharmacy, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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Vegas-Suárez S, Morera-Herreras T, Requejo C, Lafuente JV, Moratalla R, Miguélez C, Ugedo L. Motor cortico-nigral and cortico-entopeduncular information transmission and its modulation by buspirone in control and after dopaminergic denervation. Front Pharmacol 2022; 13:953652. [PMID: 36133803 PMCID: PMC9483552 DOI: 10.3389/fphar.2022.953652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Cortical information is transferred to the substantia nigra pars reticulata (SNr) and the entopeduncular nucleus (EP), the output structures of the basal ganglia (BG), through three different pathways: the hyperdirect trans-subthalamic and the direct and indirect trans-striatal pathways. The nigrostriatal dopamine (DA) and the activation of 5-HT1A receptors, distributed all along the BG, may modulate cortical information transmission. We aimed to investigate the effect of buspirone (5-HT1A receptor partial agonist) and WAY-100635 (5-HT1A receptor antagonist) on cortico-nigral and cortico-entopeduncular transmission in normal and DA loss conditions. Herein, simultaneous electrical stimulation of the motor cortex and single-unit extracellular recordings of SNr or EP neurons were conducted in urethane-anesthetized sham and 6-hydroxydopamine (6-OHDA)-lesioned rats before and after drug administrations. Motor cortex stimulation evoked monophasic, biphasic, or triphasic responses, combination of an early excitation, an inhibition, and a late excitation in both the SNr and EP, while an altered pattern of evoked response was observed in the SNr after 6-OHDA lesion. Systemic buspirone potentiated the direct cortico-SNr and cortico-EP transmission in sham animals since increased duration of the inhibitory response was observed. In DA denervated animals, buspirone administration enhanced early excitation amplitude in the cortico-SNr transmission. In both cases, the observed effects were mediated via a 5-HT1A-dependent mechanism as WAY-100635 administration blocked buspirone’s effect. These findings suggest that in control condition, buspirone potentiates direct pathway transmission and DA loss modulates responses related to the hyperdirect pathway. Overall, the results may contribute to understanding the role of 5-HT1A receptors and DA in motor cortico-BG circuitry functionality.
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Affiliation(s)
- Sergio Vegas-Suárez
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain.,Autonomic and Movement Disorders Unit, Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain.,Cajal Institute, Spanish National Research Council (CSIC), Madrid, Spain.,Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Carlos III Institute of Health (ISCIII), Madrid, Spain
| | - Teresa Morera-Herreras
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain.,Autonomic and Movement Disorders Unit, Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain
| | - Catalina Requejo
- Cajal Institute, Spanish National Research Council (CSIC), Madrid, Spain.,Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Carlos III Institute of Health (ISCIII), Madrid, Spain
| | - José Vicente Lafuente
- LaNCE, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Rosario Moratalla
- Cajal Institute, Spanish National Research Council (CSIC), Madrid, Spain.,Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Carlos III Institute of Health (ISCIII), Madrid, Spain
| | - Cristina Miguélez
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain.,Autonomic and Movement Disorders Unit, Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain
| | - Luisa Ugedo
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain.,Autonomic and Movement Disorders Unit, Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain
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de Kort AR, Joosten EA, Patijn J, Tibboel D, van den Hoogen NJ. Selective Targeting of Serotonin 5-HT1a and 5-HT3 Receptors Attenuates Acute and Long-Term Hypersensitivity Associated With Neonatal Procedural Pain. FRONTIERS IN PAIN RESEARCH 2022; 3:872587. [PMID: 35571143 PMCID: PMC9091564 DOI: 10.3389/fpain.2022.872587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/30/2022] [Indexed: 11/13/2022] Open
Abstract
Neonatal painful procedures causes acute pain and trigger long-term changes in nociceptive processing and anxiety behavior, highlighting the need for adequate analgesia during this critical time. Spinal serotonergic receptors 5-HT1a and 5-HT3 play an important role in modulating incoming nociceptive signals in neonates. The current study aims to attenuate acute and long-term hypersensitivity associated with neonatal procedural pain using ondansetron (a 5-HT3 antagonist) and buspirone (a 5-HT1a agonist) in a well-established rat model of repetitive needle pricking. Sprague-Dawley rat pups of both sexes received ondansetron (3 mg/kg), buspirone (3 mg/kg) or saline prior to repetitive needle pricks into the left hind-paw from postnatal day 0-7. Control animals received tactile stimulation or were left undisturbed. Acute, long-term, and post-operative mechanical sensitivity as well as adult anxiety were assessed. Neonatal 5-HT1a receptor agonism completely reverses acute hypersensitivity from P0-7. The increased duration of postoperative hypersensitivity after re-injury in adulthood is abolished by 5-HT3 receptor antagonism during neonatal repetitive needle pricking, without affecting baseline sensitivity. Moreover, 5-HT1a and 5-HT3 receptor modulation decreases adult state anxiety. Altogether, our data suggests that targeted pharmacological treatment based on the modulation of spinal serotonergic network via the 5-HT1a and 5-HT3 receptors in neonates may be of use in treatment of neonatal procedural pain and its long-term consequences. This may result in a new mechanism-based therapeutic venue in treatment of procedural pain in human neonates.
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Affiliation(s)
- Anne R. de Kort
- Department of Anesthesiology and Pain Management, Maastricht University Medical Centre+, Maastricht, Netherlands
- Department of Translational Neuroscience, School of Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
| | - Elbert A. Joosten
- Department of Anesthesiology and Pain Management, Maastricht University Medical Centre+, Maastricht, Netherlands
- Department of Translational Neuroscience, School of Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
| | - Jacob Patijn
- Department of Anesthesiology and Pain Management, Maastricht University Medical Centre+, Maastricht, Netherlands
- Department of Translational Neuroscience, School of Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
| | - Dick Tibboel
- Intensive Care and Department of Pediatric Surgery, Erasmus MC-Sophia Children's Hospital, Rotterdam, Netherlands
| | - Nynke J. van den Hoogen
- Department of Anesthesiology and Pain Management, Maastricht University Medical Centre+, Maastricht, Netherlands
- Department of Translational Neuroscience, School of Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
- Department of Comparative Biology and Experimental Medicine, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
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Zuschlag ZD, Compean E, Nietert P, Lauzon S, Hamner M, Wang Z. Dopamine transporter (DAT1) gene in combat veterans with PTSD: A case-control study. Psychiatry Res 2021; 298:113801. [PMID: 33636518 PMCID: PMC8182484 DOI: 10.1016/j.psychres.2021.113801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 02/07/2021] [Indexed: 10/22/2022]
Abstract
The dopamine transporter (DAT1) gene has been postulated to be involved in PTSD; however, existing studies have shown inconsistencies when examining genotypic and allelic associations. The primary objective of this study was to examine whether DAT1-40bp-VNTR (DAT1) 9R polymorphism might increase the risk of PTSD development in combat veterans, utilizing a case-control gene association study with both control and PTSD cases having previous exposure to combat traumas. Participants with PTSD (N = 365) and combat-exposed controls without PTSD (N = 298) were included in analysis. After controlling for race, sex and age, when dichotomized, absence of DAT1 10R/10R genotypes was associated with PTSD diagnosis compared to no PTSD diagnosis; these results were not statistically significant when trichotomized 10R/10R, 10R/X, 9R/9R. Similarly, odds ratio for absence of 10R/10R genotype showed a statistically significant increase in the risk of developing PTSD. DAT1 genotype was also associated with statistically significant mean total CAPS scores, both when dichotomized and trichotomized. In conclusion, our results indicate that the absence of 10R/10R is associated with an increased risk of PTSD and higher CAPS total scores.
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Affiliation(s)
- Zachary D Zuschlag
- Mental Health and Behavioral Sciences Service, James A. Haley Veterans' Hospital, Tampa, FL, USA; Department of Psychiatry and Behavioral Neurosciences, University of South Florida, Tampa, FL, USA
| | - Ebele Compean
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Paul Nietert
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
| | - Steven Lauzon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC USA
| | - Mark Hamner
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA; Mental Health Services, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, USA
| | - Zhewu Wang
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA; Mental Health Services, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, USA.
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Interactions between knockout of schizophrenia risk factor Dysbindin-1 and copper metabolism in mice. Brain Res Bull 2020; 164:339-349. [PMID: 32795490 DOI: 10.1016/j.brainresbull.2020.07.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/28/2020] [Accepted: 07/31/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND PURPOSE DTNBP1 gene variation and lower dysbindin-1 protein are associated with schizophrenia. Previous evidence suggests that downregulated dysbindin-1 expression results in lower expression of copper transporters ATP7A (intracellular copper transporter) and SLC31A1 (CTR1; extracellular copper transporter), which are required for copper transport across the blood brain barrier. However, whether antipsychotic medications used for schizophrenia treatment may modulate these systems is unclear. EXPERIMENTAL APPROACH The current study measured behavioral indices of neurological function in dysbindin-1 functional knockout (KO) mice and their wild-type (WT) littermates with or without quetiapine treatment. We assessed serum and brain copper levels, ATP7A and CTR1 mRNA, and copper transporter-expressing cellular population transcripts: TTR (transthyretin; choroid plexus epithelial cells), MBP (myelin basic protein; oligodendrocytes), and GJA1 (gap-junction protein alpha-1; astrocytes) in cortex and hippocampus. KEY RESULTS Regardless of genotype, quetiapine significantly reduced TTR, MBP, CTR1 mRNA, and serum copper levels. Neurological function of untreated KO mice was abnormal, and ledge instability was rescued with quetiapine. KO mice were hyperactive after 10 min in the open-field assay, which was not affected by treatment. CONCLUSIONS AND IMPLICATIONS Dysbindin-1 KO results in hyperactivity, altered serum copper, and neurological impairment, the last of which is selectively rescued with quetiapine. Antipsychotic treatment modulates specific cellular populations, affecting myelin, the choroid plexus, and copper transport across the blood brain barrier. Together these results indicate the widespread impact of antipsychotic treatment, and that alteration of dysbindin-1 may be sufficient, but not necessary, for specific schizophrenia pathology.
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Srinivas S, Parvataneni T, Makani R, Patel RS. Efficacy and Safety of Quetiapine for Pediatric Bipolar Depression: A Systematic Review of Randomized Clinical Trials. Cureus 2020; 12:e8407. [PMID: 32637286 PMCID: PMC7331915 DOI: 10.7759/cureus.8407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Quetiapine is a second-generation antipsychotic (SGA) approved by the Food and Drug Administration (FDA) for the treatment of schizophrenia, mania, and aggression in children and adolescents. It is also commonly used as an off-label medication to treat children and adolescents with bipolar depression, although the FDA has not approved quetiapine for this purpose. We conducted a systematic review of randomized clinical trials (RCTs) using the MEDLINE database and included two studies that met our inclusion criteria. Both RCTs were eight-week short-term studies that involved patients of 10-18 years of age with a Diagnostic and Statistical Manual of Mental Disorders-IV (DSM-IV) diagnosis of bipolar disorder, depressed type. The mean difference in the Children's Depression Rating Scale-Revised (CDRS-R) score and the response and remission rates in the quetiapine group were not statistically significant when compared to the placebo group. A high placebo response rate proved that quetiapine was no better than the placebo in treating pediatric bipolar depression. Quetiapine proved to be a relatively safe drug with the most common side effects being headache, somnolence, gastric upset, and weight gain. There was a significant increase in triglyceride levels, but no other metabolic effects were reported. This calls for future studies with larger sample sizes and improved methodology to explore the efficacy of quetiapine and other SGAs for the management of pediatric bipolar depression.
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Affiliation(s)
- Sushma Srinivas
- Psychiatry, A.J. Institute of Medical Sciences and Research Centre, Mangalore, IND
| | - Tarun Parvataneni
- Psychiatry, Siddavanahalli Nijalingappa Medical College and HSK Hospital and Research Centre, Bagalkot, IND
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Dopaminergic impact of cART and anti-depressants on HIV neuropathogenesis in older adults. Brain Res 2019; 1723:146398. [PMID: 31442412 DOI: 10.1016/j.brainres.2019.146398] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 08/09/2019] [Accepted: 08/19/2019] [Indexed: 01/21/2023]
Abstract
The success of combination antiretroviral therapy (cART) has transformed HIV infection into a chronic condition, resulting in an increase in the number of older, cART-treated adults living with HIV. This has increased the incidence of age-related, non-AIDS comorbidities in this population. One of the most common comorbidities is depression, which is also associated with cognitive impairment and a number of neuropathologies. In older people living with HIV, treating these overlapping disorders is complex, often creating pill burden or adverse drug-drug interactions that can exacerbate these neurologic disorders. Depression, NeuroHIV and many of the neuropsychiatric therapeutics used to treat them impact the dopaminergic system, suggesting that dopaminergic dysfunction may be a common factor in the development of these disorders. Further, changes in dopamine can influence the development of inflammation and the regulation of immune function, which are also implicated in the progression of NeuroHIV and depression. Little is known about the optimal clinical management of drug-drug interactions between cART drugs and antidepressants, particularly in regard to dopamine in older people living with HIV. This review will discuss those interactions, first examining the etiology of NeuroHIV and depression in older adults, then discussing the interrelated effects of dopamine and inflammation on these disorders, and finally reviewing the activity and interactions of cART drugs and antidepressants on each of these factors. Developing better strategies to manage these comorbidities is critical to the health of the aging, HIV-infected population, as the older population may be particularly vulnerable to drug-drug interactions affecting dopamine.
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Effect of N-Desalkylquetiapine/Quetiapine Plasma Level Ratio on Anxiety and Depression in Bipolar Disorder: A Prospective Observational Study. Ther Drug Monit 2018; 39:668. [PMID: 28486308 DOI: 10.1097/ftd.0000000000000413] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The aim of this study was to analyze the relationships between quetiapine and N-desalkylquetiapine plasma levels and clinical improvement, particularly, in regard to depressive and anxious symptoms and to hostility. METHODS This was a prospective observational study that involved 37 outpatients diagnosed as having bipolar disorder I or II. All the patients were observed during a clinical acute and postacute phase. Patients were prescribed 50-800 mg of quetiapine. Patients were evaluated at baseline, after 15 days and after 3 months using the Brief Psychiatry Rating Scale with particular reference to the dimensions of depression, anxiety, and hostility. The plasma concentrations of quetiapine and N-desalkylquetiapine were determined after 3 months using blood samples taken at steady state. RESULTS There was a significant relationship between the N-desalkylquetiapine/quetiapine ratio and the improvement in the depression dimension, and there was not a significant relationship between the N-desalkylquetiapine/quetiapine ratio and anxiety and hostility improvement. Quetiapine treatment was well tolerated, and there were no extrapyramidal, anticholinergic, or other side effects to note. There was no relationship between plasma quetiapine or N-desalkylquetiapine concentrations and side effects. CONCLUSIONS Our findings confirm the efficacy of quetiapine on depressive symptoms, and the available data support that quetiapine's antidepressant activity is mediated by the active metabolite norquetiapine, and it exemplifies the case of an active metabolite that can make a drug like quetiapine originally introduced as an antipsychotic a useful antidepressant agent.
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Quetiapine-Induced Hypomania and its Association with Quetiapine/Norquetiapine Plasma Concentrations: A Case Series of Bipolar Type 2 Patients. DRUG SAFETY - CASE REPORTS 2017; 4:13. [PMID: 29063217 PMCID: PMC5653679 DOI: 10.1007/s40800-017-0057-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
International guidelines consider quetiapine at medium doses (300-400 mg/day) as valid options for the treatment of bipolar depression for the supposed lower risk of a switch to hypomania/mania than antidepressants. Norquetiapine is an active metabolite with antidepressant action. We describe three cases of induced hypomania in bipolar type 2 subjects who received quetiapine extended-release monotherapy (300 mg/day) for a mild/moderate major depressive episode. Quetiapine and norquetiapine plasma concentrations were measured after 1 week of treatment. Hypomania appeared after 7-10 days of quetiapine extended-release monotherapy and all subjects had a quetiapine/norquetiapine plasma concentration ratio <1. We propose a ratio value <1 as a predictor of risk for a switch to hypomania in bipolar depressed subjects receiving quetiapine extended-release monotherapy. Future research should ascertain the validity of this laboratory parameter to assess the risk of quetiapine-induced hypomania in large samples of bipolar patients.
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D'Amico JM, Butler AA, Héroux ME, Cotel F, Perrier JFM, Butler JE, Gandevia SC, Taylor JL. Human motoneurone excitability is depressed by activation of serotonin 1A receptors with buspirone. J Physiol 2016; 595:1763-1773. [PMID: 27859267 DOI: 10.1113/jp273200] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 11/14/2016] [Indexed: 11/08/2022] Open
Abstract
KEY POINTS In the adult turtle spinal cord, action potential generation in motoneurones is inhibited by spillover of serotonin to extrasynaptic serotonin 1A (5-HT1A ) receptors at the axon initial segment. We explored whether ingestion of the 5-HT1A receptor partial agonist, buspirone, decreases motoneurone excitability in humans. Following ingestion of buspirone, two tests of motoneurone excitability showed decreases. F-wave areas and persistence in an intrinsic muscle of the hand were reduced, as was the area of cervicomedullary motor evoked potentials in biceps brachii. Our findings suggest that activation of 5-HT1A receptors depresses human motoneurone excitability. Such a depression could contribute to decreased motoneurone output during fatiguing exercise if there is high serotonergic drive to the motoneurones. ABSTRACT Intense serotonergic drive in the turtle spinal cord results in serotonin spillover to the axon initial segment of the motoneurones where it activates serotonin 1A (5-HT1A ) receptors and inhibits generation of action potentials. We examined whether activation of 5-HT1A receptors decreases motoneurone excitability in humans by determining the effects of a 5-HT1A receptor partial agonist, buspirone, on F waves and cervicomedullary motor evoked potentials (CMEPs). In a placebo-controlled double-blind study, 10 participants were tested on two occasions where either placebo or 20 mg of buspirone was administered orally. The ulnar nerve was stimulated supramaximally to evoke F waves in abductor digiti minimi (ADM). CMEPs and the maximal M wave were elicited in biceps brachii by cervicomedullary stimulation and brachial plexus stimulation, respectively. Following buspirone intake, F-wave area and persistence, as well as CMEP area, were significantly decreased. The mean post-pill difference in normalized F-wave areas and persistence between buspirone and placebo days was -27% (-42, -12; 95% confidence interval) and -9% (-16, -2), respectively. The mean post-pill difference in normalized CMEP area between buspirone and placebo days showed greater variation and was -31% (-60, -2). In conclusion, buspirone reduces motoneurone excitability in humans probably via activation of 5-HT1A receptors at the axon initial segment. This has implications for motor output during high drive to the motoneurones when serotonin may spill over to these inhibitory receptors and consequently inhibit motoneurone output. Such a mechanism could potentially contribute to fatigue with exercise.
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Affiliation(s)
- Jessica M D'Amico
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia
| | - Annie A Butler
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia.,University of New South Wales, Sydney, NSW, Australia
| | - Martin E Héroux
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia.,University of New South Wales, Sydney, NSW, Australia
| | | | | | - Jane E Butler
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia.,University of New South Wales, Sydney, NSW, Australia
| | - Simon C Gandevia
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia.,University of New South Wales, Sydney, NSW, Australia
| | - Janet L Taylor
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia.,University of New South Wales, Sydney, NSW, Australia
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Intermittent treatment with haloperidol or quetiapine does not disrupt motor and cognitive recovery after experimental brain trauma. Behav Brain Res 2016; 340:159-164. [PMID: 27664299 DOI: 10.1016/j.bbr.2016.09.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 08/22/2016] [Accepted: 09/20/2016] [Indexed: 11/23/2022]
Abstract
Traumatic brain injury (TBI)-induced agitation and aggression pose major obstacles to clinicians in the acute hospital and rehabilitation settings. Thus, management of these symptoms is crucial. Antipsychotic drugs (APDs) are a common treatment approach for alleviating these symptoms. However, previous preclinical TBI studies have indicated that daily and chronic administration of these drugs (e.g., haloperidol; HAL) can exacerbate cognitive and motor deficits. Quetiapine (QUE) is an atypical APD that differs from many typical APDs, such as HAL, in its relatively rapid dissociation from the D2 receptor. The goal of this study was to test the hypotheses that intermittent HAL and QUE would not hinder recovery of cognitive and motor function following TBI and that daily QUE would also not impair functional recovery, which would be in contrast to HAL. Seventy anesthetized male rats received either a controlled cortical impact or sham injury and were then randomly assigned to TBI and sham groups receiving HAL (0.5mg/kg) or QUE (10mg/kg) intraperitoneally once per day or once every other day and compared to each other and vehicle (VEH) controls. Motor function was assessed by beam balance/walk tests on post-operative days 1-5 and cognitive function was evaluated with a Morris water maze task on days 14-19. No differences were revealed among the sham groups in any task, and hence the data were pooled. No overall differences were detected among the TBI groups, regardless of treatment or administration paradigm [p>0.05], but all were impaired vs. SHAM controls [p<0.05]. The SHAM controls also performed significantly better in the cognitive test vs. all TBI groups [p<0.05]. Moreover, the TBI+continuous HAL group performed worse than the TBI+continuous VEH, TBI+continuous QUE, and TBI+intermittent QUE groups [p<0.05], which did not differ from one another. Overall, the data suggest that QUE does not exacerbate TBI-induced cognitive and motor deficits, which supports the hypothesis. QUE may prove useful as an alternative APD treatment for management of agitation and aggression after clinical TBI. HAL may also be safe, but only if used sparingly.
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Vilazodone does not inhibit sexual behavior in male rats in contrast to paroxetine: A role for 5-HT1A receptors? Neuropharmacology 2016; 107:271-277. [DOI: 10.1016/j.neuropharm.2016.03.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 03/18/2016] [Accepted: 03/25/2016] [Indexed: 01/09/2023]
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Buspirone requires the intact nigrostriatal pathway to reduce the activity of the subthalamic nucleus via 5-HT1A receptors. Exp Neurol 2016; 277:35-45. [DOI: 10.1016/j.expneurol.2015.12.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 12/04/2015] [Accepted: 12/10/2015] [Indexed: 11/18/2022]
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Ma L, Yang F, Zhao R, Li L, Kang X, Xiao L, Jiang W. Quetiapine attenuates cognitive impairment and decreases seizure susceptibility possibly through promoting myelin development in a rat model of malformations of cortical development. Brain Res 2015; 1622:443-51. [PMID: 26188240 DOI: 10.1016/j.brainres.2015.07.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 06/19/2015] [Accepted: 07/09/2015] [Indexed: 10/23/2022]
Abstract
Developmental delay, cognitive impairment, and refractory epilepsy are the most frequent consequences found in patients suffering from malformations of cortical development (MCD). However, therapeutic options for these psychiatric and neurological comorbidities are currently limited. The development of white matter undergoes dramatic changes during postnatal brain maturation, thus myelination deficits resulting from MCD contribute to its comorbid diseases. Consequently, drugs specifically targeting white matter are a promising therapeutic option for the treatment of MCD. We have used an in utero irradiation rat model of MCD to investigate the effects of postnatal quetiapine treatment on brain myelination as well as neuropsychological and cognitive performances and seizure susceptibility. Fatally irradiated rats were treated with quetiapine (10mg/kg, i.p.) or saline once daily from postnatal day 0 (P0) to P30. We found that postnatal administration of quetiapine attenuated object recognition memory impairment and improved long-term spatial memory in the irradiated rats. Quetiapine treatment also reduced the susceptibility and severity of pentylenetetrazol-induced seizures. Importantly, quetiapine treatment resulted in an inhibition of irradiation-induced myelin breakdown in the cerebral cortex and corpus callosum. These findings suggest that quetiapine may have beneficial, postnatal effects in the irradiated rats, strongly suggesting that improving MCD-derived white matter pathology is a possible underlying mechanism. Collectively, these results indicate that brain myelination represents an encouraging pharmacological target to improve the prognosis of patients with MCD.
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Affiliation(s)
- Lei Ma
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi׳an 710032, China
| | - Feng Yang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi׳an 710032, China
| | - Rui Zhao
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi׳an 710032, China; Department of Neurology, Shaanxi Provincial People׳s Hospital, Xi׳an 710068, China
| | - Li Li
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi׳an 710032, China
| | - Xiaogang Kang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi׳an 710032, China
| | - Lan Xiao
- Department of Histology and Embryology, Third Military Medical University, Chongqing 400038, China
| | - Wen Jiang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi׳an 710032, China.
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Muneer A. Pharmacotherapy of bipolar disorder with quetiapine: a recent literature review and an update. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2015; 13:25-35. [PMID: 25912535 PMCID: PMC4423161 DOI: 10.9758/cpn.2015.13.1.25] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 11/19/2014] [Accepted: 11/20/2014] [Indexed: 12/17/2022]
Abstract
Bipolar disorder is a chronic, recurrent condition with the usual onset during adolescence or early adulthood. In the Diagnostic and Statistical Manual of Mental Disorders 5th edition, it is conceptualized as a spectrum disorder usually associated with such comorbidities as anxiety disorders and substance use disorders. It is a relatively prevalent condition often complicated by mixed episodes, rapid cycling, subsyndromal symptoms, and treatment refractoriness. In spite of carrying substantial morbidity and mortality, effective treatments are few and far between and conventional mood stabilizers are often unsuccessful in controlling the various manifestations of the disorder. In this scenario, second generation antipsychotics are emerging as treatments with valid efficacy in all phases of bipolar disorder. Quetiapine is a versatile atypical antipsychotic which was first approved for the treatment of schizophrenia, but latter on the basis of controlled studies earned United States Food and Drug Administration’s approval for acute as well as maintenance treatment of this difficult to treat condition. In this review, recently published studies in the last 10 years were examined to update the knowledge about the efficacy and safety of quetiapine in the treatment of bipolar disorder. The medication’s clinical pharmacology was first considered followed by a literature review summarizing its uses in bipolar disorder. The conclusion was that quetiapine was efficacious in manic, mixed and depressive episodes and as a maintenance agent with a good tolerability profile.
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Affiliation(s)
- Ather Muneer
- Islamic International Medical College, Riphah International University, Rawalpindi, Pakistan
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Waters S, Ponten H, Edling M, Svanberg B, Klamer D, Waters N. The dopaminergic stabilizers pridopidine and ordopidine enhance cortico-striatal Arc gene expression. J Neural Transm (Vienna) 2014; 121:1337-47. [PMID: 24817271 DOI: 10.1007/s00702-014-1231-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 04/24/2014] [Indexed: 12/29/2022]
Abstract
The dopaminergic stabilizers pridopidine [4-(3-(methylsulfonyl)phenyl)-1-propylpiperidine] and ordopidine [1-ethyl-4-(2-fluoro-3-(methylsulfonyl)phenyl)piperidine] inhibit psychostimulant-induced hyperactivity, and stimulate behaviour in states of hypoactivity. While both compounds act as dopamine D2 receptor antagonists in vitro, albeit with low affinity, their specific state-dependent behavioural effect profile is not shared by D2 receptor antagonists in general. To further understand the neuropharmacological effects of pridopidine and ordopidine, and how they differ from other dopaminergic compounds in vivo, we assessed the expression of activity-regulated cytoskeleton-associated protein/activity-regulated gene 3.1 (Arc), an immediate early gene marker associated with synaptic activation, in the frontal cortex and striatum. Furthermore, monoamine neurochemistry and locomotor activity were assessed. The effects of pridopidine and ordopidine were compared to reference dopamine D1 and D2 receptor agonists and antagonists, as well as the partial dopamine D2 agonist aripiprazole. Pridopidine and ordopidine induced significant increases in cortical Arc expression, reaching 2.2- and 1.7-fold levels relative to control, respectively. In contrast, none of the reference dopamine D1 and D2 compounds tested increased cortical Arc expression. In the striatum, significant increases in Arc expression were seen with both pridopidine and ordopidine as well as the dopamine D2 receptor antagonists, remoxipride and haloperidol. Interestingly, striatal Arc expression correlated strongly and positively with striatal 3,4-dihydroxyphenylacetic acid, suggesting that antagonism of dopamine D2 receptors increases Arc expression in the striatum. In conclusion, the concurrent increase in cortical and striatal Arc expression induced by pridopidine and ordopidine appears unique for the dopaminergic stabilizers, as it was not shared by the reference compounds tested. The increase in cortical Arc expression is hypothesized to reflect enhanced N-methyl-D-aspartic acid receptor-mediated signalling in the frontal cortex, which could contribute to the state-dependent locomotor effects of pridopidine and ordopidine.
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Affiliation(s)
- Susanna Waters
- Department of Pharmacology, Institute of Neuroscience and Physiology, University of Gothenburg, Box 431, 405 30, Gōteborg, Sweden,
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Diemer J, Domschke K, Mühlberger A, Winter B, Zavorotnyy M, Notzon S, Silling K, Arolt V, Zwanzger P. Acute anxiolytic effects of quetiapine during virtual reality exposure--a double-blind placebo-controlled trial in patients with specific phobia. Eur Neuropsychopharmacol 2013; 23:1551-60. [PMID: 23375006 DOI: 10.1016/j.euroneuro.2013.01.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 12/04/2012] [Accepted: 01/05/2013] [Indexed: 01/09/2023]
Abstract
Anxiety disorders are among the most frequent psychiatric disorders. With regard to pharmacological treatment, antidepressants, the calcium modulator pregabalin and benzodiazepines are recommended according to current treatment guidelines. With regard to acute states of anxiety, so far practically only benzodiazepines provide an immediate anxiolytic effect. However, the risk of tolerance and dependency limits the use of this class of medication. Therefore, there is still a need for alternative pharmacologic strategies. Increasing evidence points towards anxiety-reducing properties of atypical antipsychotics, particularly quetiapine. Therefore, we aimed to evaluate the putative acute anxiolytic effects of this compound, choosing the induction of acute anxiety in patients with specific phobia as a model for the evaluation of ad-hoc anxiolytic properties in a proof-of-concept approach. In a randomized, double-blind, placebo-controlled study, 58 patients with arachnophobia were treated with a single dose of quetiapine XR or placebo prior to a virtual reality spider challenge procedure. Treatment effects were monitored using rating scales for acute anxiety as well as measurements of heart rate and skin conductance. Overall, quetiapine showed significant anxiolytic effects compared to placebo. However, effects were not seen on the primary outcome measure (VAS Anxiety), but were limited to somatic anxiety symptoms. Additionally, a significant reduction of skin conductance was observed. Further exploratory analyses hint towards a mediating role of the (COMT) val158met genotype on treatment response. The present results thus suggest a possible suitability of quetiapine in the acute treatment of anxiety, particularly with regard to somatic symptoms.
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Affiliation(s)
- Julia Diemer
- Department of Psychiatry, University of Muenster, Germany
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