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Loonen AJ. Putative role of immune reactions in the mechanism of tardive dyskinesia. Brain Behav Immun Health 2023; 33:100687. [PMID: 37810262 PMCID: PMC10550815 DOI: 10.1016/j.bbih.2023.100687] [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: 09/06/2023] [Accepted: 09/13/2023] [Indexed: 10/10/2023] Open
Abstract
The term extrapyramidal disorders is most often used for conditions such as Parkinson's disease or Huntington's disease, but also refers to a group of extrapyramidal side effects of antipsychotics (EPS), such as tardive dyskinesia (TD). After a brief description of some clinical features of TD, this article summarizes the relatively scarce results of research on a possible link between mainly cytokine levels and TD. This data was found by systematically searching Pubmed and Embase. The limitations of these types of studies are a major obstacle to interpretation. After describing relevant aspects of the neuroinflammatory response and the neuroanatomical backgrounds of EPS, a new hypothesis for the origin of TD is presented with emphasis on dysfunctions in the striosomal compartment of the striatum and the dorsal diencephalic connection system (DDCS). It is postulated that (partly immunologically-induced) increase in oxidative stress and the dopamine-dependent immune response in classic TD proceed primarily via the DDCS, which itself is activated from evolutionarily older parts of the forebrain. Neuroinflammatory responses in the choroid plexus of the third ventricle may contribute due to its proximity to the habenula. It is concluded that direct evidence for a possible role of inflammatory processes in the mechanism of TD is still lacking because research on this is still too much of a niche, but there are indications that warrant further investigation.
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Affiliation(s)
- Anton J.M. Loonen
- Unit of PharmacoTherapy, -Epidemiology & -Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713AV, Groningen, the Netherlands
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Circuits regulating pleasure and happiness - focus on potential biomarkers for circuitry including the habenuloid complex. Acta Neuropsychiatr 2022; 34:229-239. [PMID: 35587050 DOI: 10.1017/neu.2022.15] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
INTRODUCTION The multiplicity and complexity of the neuronal connections in the central nervous system make it difficult to disentangle circuits that play an essential role in the development or treatment of (neuro)psychiatric disorders. By choosing the evolutionary development of the forebrain as a starting point, a certain order in the connections can be created. The dorsal diencephalic connection (DDC) system can be applied for the development of biomarkers that can predict treatment response. MATERIALS AND METHODS After providing a brief introduction to the theory, we examined neuroanatomical publications on the connectivity of the DDC system. We then searched for neurochemical components that are specific for the habenula. RESULTS AND DISCUSSION The best strategy to find biomarkers that reflect the function of the habenular connection is to use genetic variants of receptors, transporters or enzymes specific to this complex. By activating these with probes and measuring the response in people with different functional genotypes, the usefulness of biomarkers can be assessed. CONCLUSIONS The most promising biomarkers in this respect are those linked to activation or inhibition of the nicotine receptor, dopamine D4 receptor, μ-opioid receptor and also those of the functioning of habenular glia cells (astrocytes and microglia).
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Loonen AJM, Ochi T, Geers LM, Simutkin GG, Bokhan NA, Touw DJ, Wilffert B, Kornetov AN, Ivanova SA. A New Paradigm to Indicate Antidepressant Treatments. Pharmaceuticals (Basel) 2021; 14:ph14121288. [PMID: 34959688 PMCID: PMC8705982 DOI: 10.3390/ph14121288] [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: 10/30/2021] [Revised: 11/30/2021] [Accepted: 12/04/2021] [Indexed: 12/04/2022] Open
Abstract
This article develops the idea that clinical depression can be seen as a typical human response, largely rooted in human culture, to events of loss or times of adversity. Various biological, psychological, and social factors may cause some individuals to have a depressive reaction that is ineffectually limited in time and/or severity. Recovery occurs mainly based on natural resilience mechanisms, which come into play spontaneously, but which are sometimes inhibited or blocked by specific pathological biopsychosocial mechanisms. One of the mechanisms for this could be the influence of the circuits that regulate pleasure and happiness, along the dorsal diencephalic connection (DDC) pathway from the forebrain to the midbrain via the habenula. Therapy works by undermining the biopsychosocial factors that prevent the natural recovery mechanism from working. Treatment should, therefore, be seen as facilitating rather than causing natural recovery. This approach is in line with the high recovery rate after placebo treatments and the positive influence of pharmacological treatments with completely different sites of action. Acceptance of this model means that when studying new treatments for depression, a new paradigm must be applied in which the relative value of antidepressant treatment is specifically weighted in terms of enabling the natural resilience process.
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Affiliation(s)
- Anton J. M. Loonen
- PharmacoTherapy, Epidemiology and Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands;
- Correspondence: ; Tel.: +31-503-637-576
| | - Taichi Ochi
- PharmacoTherapy, Epidemiology and Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands;
| | - Lisanne M. Geers
- Department of Clinical Pharmacy and Pharmacology, University Medical Center of Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (L.M.G.); (D.J.T.)
- Rijnstate Ziekenhuis, Hospital Pharmacy, Wagnerlaan 55, 6815 AD Arnhem, The Netherlands
| | - German G. Simutkin
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (G.G.S.); (N.A.B.); (S.A.I.)
| | - Nikolay A. Bokhan
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (G.G.S.); (N.A.B.); (S.A.I.)
- Department of Psychiatry, Addictology and Psychotherapy, Siberian State Medical University, 634050 Tomsk, Russia
- Department of Psychotherapy and Psychological Counseling, National Research Tomsk State University, 634050 Tomsk, Russia
| | - Daniël J. Touw
- Department of Clinical Pharmacy and Pharmacology, University Medical Center of Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (L.M.G.); (D.J.T.)
- Pharmaceutical Analysis, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Bob Wilffert
- PharmacoTherapy, Epidemiology and Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands;
- Department of Clinical Pharmacy and Pharmacology, University Medical Center of Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; (L.M.G.); (D.J.T.)
| | - Alexander N. Kornetov
- Department of Fundamental Psychology and Behavioral Medicine, Siberian State Medical University, 634050 Tomsk, Russia;
| | - Svetlana A. Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (G.G.S.); (N.A.B.); (S.A.I.)
- Department of Psychiatry, Addictology and Psychotherapy, Siberian State Medical University, 634050 Tomsk, Russia
- Division for Control and Diagnostics, School of Non-Destructive Testing and Security, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
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Poltavskaya EG, Fedorenko OY, Kornetova EG, Loonen AJM, Kornetov AN, Bokhan NA, Ivanova SA. Study of Early Onset Schizophrenia: Associations of GRIN2A and GRIN2B Polymorphisms. Life (Basel) 2021; 11:life11100997. [PMID: 34685369 PMCID: PMC8540378 DOI: 10.3390/life11100997] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Schizophrenia is a complex mental disorder with a high heritability. Dysfunction of the N-methyl-D-aspartate (NMDA)-type glutamate receptors may be involved in the pathogenesis of schizophrenia. In this study, we examined the contribution of GRIN2A and GRIN2B (Glutamate Ionotropic Receptor NMDA Type Subunit 2A/2B) polymorphisms to the clinical features of schizophrenia, such as the leading symptoms, the type of course, and the age of onset. METHODS A population of 402 Russian patients with schizophrenia from the Siberian region was investigated. Genotyping of seventeen single-nucleotide polymorphisms (SNPs) in GRIN2A and GRIN2B was performed using QuantStudio™ 3D Digital PCR System Life Technologies amplifier using TaqMan Validated SNP Genotyping Assay kits (Applied Biosystems). The results were analyzed using Chi-square and the Fisher's exact tests. RESULTS We found an association of GRIN2A rs7206256 and rs11644461 and GRIN2B rs7313149 with the early onset (before the age of 18 years old) schizophrenia. We did not reveal any associations of GRIN2A and GRIN2B polymorphisms with leading (positive vs. negative) symptoms or type of course (continuous vs. episodic) of schizophrenia. CONCLUSIONS In the study, we confirmed the involvement of the GRIN2A and GRIN2B genes in the early onset of schizophrenia in a Russian population of the Siberian region.
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Affiliation(s)
- Evgeniya G. Poltavskaya
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (O.Y.F.); (E.G.K.); (N.A.B.); (S.A.I.)
- Correspondence:
| | - Olga Yu. Fedorenko
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (O.Y.F.); (E.G.K.); (N.A.B.); (S.A.I.)
| | - Elena G. Kornetova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (O.Y.F.); (E.G.K.); (N.A.B.); (S.A.I.)
- Fundamental Psychology and Behavioral Medicine Department, Siberian State Medical University, 634050 Tomsk, Russia;
| | - Anton J. M. Loonen
- Unit of PharmacoTherapy, Epidemiology & Economics, Groningen Research Institute of Pharmacy, University of Groningen, 9713AV Groningen, The Netherlands;
| | - Alexander N. Kornetov
- Fundamental Psychology and Behavioral Medicine Department, Siberian State Medical University, 634050 Tomsk, Russia;
| | - Nikolay A. Bokhan
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (O.Y.F.); (E.G.K.); (N.A.B.); (S.A.I.)
- Fundamental Psychology and Behavioral Medicine Department, Siberian State Medical University, 634050 Tomsk, Russia;
| | - Svetlana A. Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (O.Y.F.); (E.G.K.); (N.A.B.); (S.A.I.)
- Fundamental Psychology and Behavioral Medicine Department, Siberian State Medical University, 634050 Tomsk, Russia;
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Paderina DZ, Boiko AS, Pozhidaev IV, Bocharova AV, Mednova IA, Fedorenko OY, Kornetova EG, Loonen AJ, Semke AV, Bokhan NA, Ivanova SA. Genetic Polymorphisms of 5-HT Receptors and Antipsychotic-Induced Metabolic Dysfunction in Patients with Schizophrenia. J Pers Med 2021; 11:jpm11030181. [PMID: 33807811 PMCID: PMC7999828 DOI: 10.3390/jpm11030181] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Antipsychotic-induced metabolic syndrome (MetS) is a multifactorial disease with a genetic predisposition. Serotonin and its receptors are involved in antipsychotic-drug-induced metabolic disorders. The present study investigated the association of nine polymorphisms in the four 5-hydroxytryptamine receptor (HTR) genes HTR1A, HTR2A, HTR3A, and HTR2C and the gene encoding for the serotonin transporter SLC6A4 with MetS in patients with schizophrenia. METHODS A set of nine single-nucleotide polymorphisms of genes of the serotonergic system was investigated in a population of 475 patients from several Siberian regions (Russia) with a clinical diagnosis of schizophrenia. Genotyping was performed and the results were analyzed using chi-square tests. RESULTS Polymorphic variant rs521018 (HTR2C) was associated with higher body mass index in patients receiving long-term antipsychotic therapy, but not with drug-induced metabolic syndrome. Rs1150226 (HTR3A) was also associated but did not meet Hardy-Weinberg equilibrium. CONCLUSIONS Our results indicate that allelic variants of HTR2C genes may have consequences on metabolic parameters. MetS may have too complex a mechanistic background to be studied without dissecting the syndrome into its individual (causal) components.
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Affiliation(s)
- Diana Z. Paderina
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
| | - Anastasiia S. Boiko
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
| | - Ivan V. Pozhidaev
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
| | - Anna V. Bocharova
- Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634050 Tomsk, Russia;
| | - Irina A. Mednova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
| | - Olga Yu. Fedorenko
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
| | - Elena G. Kornetova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
- Siberian State Medical University, 634050 Tomsk, Russia
| | - Anton J.M. Loonen
- Unit of PharmacoTherapy, -Epidemiology & -Economics, Groningen Research Institute of Pharmacy, University of Groningen, 9713AV Groningen, The Netherlands
- Correspondence:
| | - Arkadiy V. Semke
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
| | - Nikolay A. Bokhan
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
- Siberian State Medical University, 634050 Tomsk, Russia
| | - Svetlana A. Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia; (D.Z.P.); (A.S.B.); (I.V.P.); (I.A.M.); (O.Y.F.); (E.G.K.); (A.V.S.); (N.A.B.); (S.A.I.)
- Siberian State Medical University, 634050 Tomsk, Russia
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The convergence of aversion and reward signals in individual neurons of the mice lateral habenula. Exp Neurol 2021; 339:113637. [PMID: 33549547 DOI: 10.1016/j.expneurol.2021.113637] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 01/18/2021] [Accepted: 02/02/2021] [Indexed: 01/06/2023]
Abstract
The lateral habenula (LHb) and ventral tegmental area (VTA) are two structures closely connected, and they serve as aversion and reward junction of the brain, respectively. This study investigated whether single neurons in the LHb/VTA respond to both aversion and reward stimuli and how these neurons regulate aversion and reward processing. Using optogenetic combined with multi-channel recording of LHb / VTA neuronal discharge, we found that most single neurons in the LHb/ VTA respond to both aversion and reward stimuli. Interestingly, majority of neurons in LHb were aversion-activated and reward-inhibited neurons, consisting mainly of glutamatergic neurons, while most neurons in VTA were reward-activated and aversion-inhibited neurons, which inhibited by glutamatergic neurons in the LHb. Furthermore, optogenetic activation or inhibition of glutamatergic neurons in LHb and their terminals in VTA could induce aversive or reward behaviors. These results indicate that identical neurons in the LHb and VTA have different responses to reward and aversion stimuli. The aversion behaviors induced by activating LHb glutamatergic neurons may be due to its inhibition on reward-activated neurons in VTA. This study suggests that interplay between the LHb and VTA neurons may play a key role in regulating reward and aversion behaviors.
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Abstract
Dystonia is by far the most intrusive and invalidating extrapyramidal side effect of potent classical antipsychotic drugs. Antipsychotic drug-induced dystonia is classified in both acute and tardive forms. The incidence of drug-induced dystonia is associated with the affinity to inhibitory dopamine D2 receptors. Particularly acute dystonia can be treated with anticholinergic drugs, but the tardive form may also respond to such antimuscarinic treatment, which contrasts their effects in tardive dyskinesia. Combining knowledge of the pathophysiology of primary focal dystonia with the anatomical and pharmacological organization of the extrapyramidal system may shed some light on the mechanism of antipsychotic drug-induced dystonia. A suitable hypothesis is derived from the understanding that focal dystonia may be due to a faulty processing of somatosensory input, so leading to inappropriate execution of well-trained motor programmes. Neuroplastic alterations of the sensitivity of extrapyramidal medium-sized spiny projection neurons to stimulation, which are induced by the training of specific complex movements, lead to the sophisticated execution of these motor plans. The sudden and non-selective disinhibition of indirect pathway medium-sized spiny projection neurons by blocking dopamine D2 receptors may distort this process. Shutting down the widespread influence of tonically active giant cholinergic interneurons on all medium-sized spiny projection neurons by blocking muscarinic receptors may result in a reduction of the influence of extrapyramidal cortical-striatal-thalamic-cortical regulation. Furthermore, striatal cholinergic interneurons have an important role to play in integrating cerebellar input with the output of cerebral cortex, and are also targeted by dopaminergic nigrostriatal fibres affecting dopamine D2 receptors.
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Affiliation(s)
- Anton JM Loonen
- Groningen Research Institute of Pharmacy, Pharmacotherapy, -Epidemiology and -Economics, University of Groningen, Groningen, The Netherlands
- Geestelijke GezondheidsZorg Westelijk Noord-Brabant (GGZ WNB), Mental Health Hospital, Halsteren, The Netherlands
| | - Svetlana A Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk, Russian Federation
- National Research Tomsk Polytechnic University, Tomsk, Russian Federation
- Siberian State Medical University, Tomsk, Russian Federation
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Stępnicki P, Kondej M, Koszła O, Żuk J, Kaczor AA. Multi-targeted drug design strategies for the treatment of schizophrenia. Expert Opin Drug Discov 2020; 16:101-114. [PMID: 32915109 DOI: 10.1080/17460441.2020.1816962] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Schizophrenia is a complex psychiatric disease (or a conglomeration of disorders) manifesting with positive, negative and cognitive symptoms. The pathophysiology of schizophrenia is not completely known; however, it involves many neurotransmitters and their receptors. In order to treat schizophrenia, drugs need to be multi-target drugs. Indeed, the action of second and third generation antipsychotics involves interactions with many receptors, belonging mainly to aminergic GPCRs. AREAS COVERED In this review, the authors summarize current concepts of schizophrenia with the emphasis on the modern dopaminergic, serotoninergic, and glutamatergic hypotheses. Next, they discuss treatments of the disease, stressing multi-target antipsychotics. They cover different aspects of design of multi-target ligands, including the application of molecular modeling approaches for the design and benefits and limitations of multifunctional compounds. Finally, they present successful case studies of multi-target drug design against schizophrenia. EXPERT OPINION Treatment of schizophrenia requires the application of multi-target drugs. While designing single target drugs is relatively easy, designing multifunctional compounds is a challenge due to the necessity to balance the affinity to many targets, while avoiding promiscuity and the problems with drug-likeness. Multi-target drugs bring many benefits: better efficiency, fewer adverse effects, and drug-drug interactions and better patient compliance to drug regime.
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Affiliation(s)
- Piotr Stępnicki
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Magda Kondej
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Oliwia Koszła
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Justyna Żuk
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland
| | - Agnieszka A Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin , Lublin, Poland.,School of Pharmacy, University of Eastern Finland , Kuopio, Finland
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Ochi T, Vyalova NM, Losenkov IS, Levchuk LA, Osmanova DZ, Mikhalitskaya EV, Loonen AJM, Bosker FJ, Simutkin GG, Bokhan NA, Wilffert B, Ivanova SA. Investigating the potential role of BDNF and PRL genotypes on antidepressant response in depression patients: A prospective inception cohort study in treatment-free patients. J Affect Disord 2019; 259:432-439. [PMID: 31611000 DOI: 10.1016/j.jad.2019.08.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 07/13/2019] [Accepted: 08/18/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) is associated with response to antidepressant drugs in mood and anxiety disorders. Prolactin (PRL) is a pituitary hormone with behavioural effects, acting as a neurotrophic factor within the brain and may be involved in antidepressant response. OBJECTIVES To investigate the relationship between BDNF and PRL genotypes with antidepressant drug response. METHODS Prospective inception cohort of 186 Russian treatment-free participants (28 men and 158 women) between 18 and 70 years clinically diagnosed with depressive disorder who initiated antidepressant medication. DNA polymorphisms were genotyped for PRL rs1341239, BDNF rs6265 and rs7124442. Primary outcome was measured by differences in Hamilton Depression Rating Scale (∆HAM-D) scores between baseline/week two, week two/week four, and baseline/week four. Linear regression and independent t-test determined the significance between polymorphisms and ∆HAM-D. RESULTS Comparisons between genotypes did not reveal any significant differences in scores during the first two weeks of treatment. In the latter two weeks, BDNF rs7124442 homozygous C patients responded significantly worse in comparison to homozygous T patients during this period. Further analysis within women and in post-menopausal women found a similar comparison between alleles. LIMITATIONS Study lasted four weeks, which may be considered short to associate genuine antidepressant effects. CONCLUSIONS Patients taking tricylic antidepressants were noted to have a significant improvement in ∆HAM-D compared to patients taking SSRIs. Homozygous C BDNF rs712442 patients were found to respond significantly worse in the last two weeks of treatment.
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Affiliation(s)
- Taichi Ochi
- University of Groningen, Groningen Research Institute of Pharmacy, Unit of PharmacoTherapy, Epidemiology & Economics, Antonius Deusinglaan 1, 9713AV Groningen, the Netherlands.
| | - Natalya M Vyalova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation
| | - Innokentiy S Losenkov
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation
| | - Lyudmila A Levchuk
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation
| | - Diana Z Osmanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation
| | - Ekaterina V Mikhalitskaya
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation
| | - Anton J M Loonen
- University of Groningen, Groningen Research Institute of Pharmacy, Unit of PharmacoTherapy, Epidemiology & Economics, Antonius Deusinglaan 1, 9713AV Groningen, the Netherlands; GGZ Westelijk Noord-Brabant, Hoofdlaan 8, 4661AA Halsteren, the Netherlands.
| | - Fokko J Bosker
- University of Groningen, University Medical Centre Groningen, University Centre for Psychiatry, Hanzeplein 1, 9713 GZ Groningen, PO Box 30.001, 9700 RB Groningen, the Netherlands
| | - German G Simutkin
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation
| | - Nikolay A Bokhan
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation; National Research Tomsk State University, Department of Psychotherapy and Psychological Counseling, Lenin Avenue, 36, 634050 Tomsk, Russian Federation; Siberian State Medical University, Moscowski Trakt, 2, 634050, Tomsk, Russian Federation
| | - Bob Wilffert
- University of Groningen, Groningen Research Institute of Pharmacy, Unit of PharmacoTherapy, Epidemiology & Economics, Antonius Deusinglaan 1, 9713AV Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Department of Clinical Pharmacy and Pharmacology, Hanzeplein 1, 9713 GZ Groningen, PO Box 30.001, 9700 RB Groningen, the Netherlands
| | - Svetlana A Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya street, 4, 634014 Tomsk, Russian Federation; Siberian State Medical University, Moscowski Trakt, 2, 634050, Tomsk, Russian Federation; National Research Tomsk Polytechnic University, School of Non-Destructive Testing & Security, Division for Control and Diagnostics, Lenin Avenue, 30, 634050 Tomsk, Russian Federation
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Loonen AJ, Wilffert B, Ivanova SA. Putative role of pharmacogenetics to elucidate the mechanism of tardive dyskinesia in schizophrenia. Pharmacogenomics 2019; 20:1199-1223. [PMID: 31686592 DOI: 10.2217/pgs-2019-0100] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Identifying biomarkers which can be used as a diagnostic tool is a major objective of pharmacogenetic studies. Most mental and many neurological disorders have a compiled multifaceted nature, which may be the reason why this endeavor has hitherto not been very successful. This is also true for tardive dyskinesia (TD), an involuntary movement complication of long-term treatment with antipsychotic drugs. The observed associations of specific gene variants with the prevalence and severity of a disorder can also be applied to try to elucidate the pathogenesis of the condition. In this paper, this strategy is used by combining pharmacogenetic knowledge with theories on the possible role of a dysfunction of specific cellular elements of neostriatal parts of the (dorsal) extrapyramidal circuits: various glutamatergic terminals, medium spiny neurons, striatal interneurons and ascending monoaminergic fibers. A peculiar finding is that genetic variants which would be expected to increase the neostriatal dopamine concentration are not associated with the prevalence and severity of TD. Moreover, modifying the sensitivity to glutamatergic long-term potentiation (and excitotoxicity) shows a relationship with levodopa-induced dyskinesia, but not with TD. Contrasting this, TD is associated with genetic variants that modify vulnerability to oxidative stress. Reducing the oxidative stress burden of medium spiny neurons may also be the mechanism behind the protective influence of 5-HT2 receptor antagonists. It is probably worthwhile to discriminate between neostriatal matrix and striosomal compartments when studying the mechanism of TD and between orofacial and limb-truncal components in epidemiological studies.
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Affiliation(s)
- Anton Jm Loonen
- Unit of PharmacoTherapy, Epidemiology & Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713AV Groningen, The Netherlands.,GGZ Westelijk Noord-Brabant, Hoofdlaan 8, 4661AA Halsteren, The Netherlands
| | - Bob Wilffert
- Unit of PharmacoTherapy, Epidemiology & Economics, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713AV Groningen, The Netherlands.,Dept. of Clinical Pharmacy and Pharmacology, University Medical Centre Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Svetlana A Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Aleutskaya Street, 4, 634014 Tomsk, Russian Federation.,School of Non-Destructive Testing & Security, Division for Control and Diagnostics, National Research Tomsk Polytechnic University, Lenin Avenue, 30, 634050 Tomsk, Russian Federation.,Central Research Laboratory, Siberian State Medical University, Moscowski Trakt, 2, 634050 Tomsk, Russian Federation
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Schönfeld LM, Wojtecki L. Beyond Emotions: Oscillations of the Amygdala and Their Implications for Electrical Neuromodulation. Front Neurosci 2019; 13:366. [PMID: 31057358 PMCID: PMC6482269 DOI: 10.3389/fnins.2019.00366] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 04/01/2019] [Indexed: 01/18/2023] Open
Abstract
The amygdala is a structure involved in emotions, fear, learning and memory and is highly interconnected with other brain regions, for example the motor cortex and the basal ganglia that are often targets of treatments involving electrical stimulation. Deep brain stimulation of the basal ganglia is successfully used to treat movement disorders, but can carry along non-motor side effects. The origin of these non-motor side effects is not fully understood yet, but might be altered oscillatory communication between specific motor areas and the amygdala. Oscillations in various frequency bands have been detected in the amygdala during cognitive and emotional tasks, which can couple with oscillations in cortical regions or the hippocampus. However, data on oscillatory coupling between the amygdala and motor areas are still lacking. This review provides a summary of oscillation frequencies measured in the amygdala and their possible functional relevance in different species, followed by evidence for connectivity between the amygdala and motor areas, such as the basal ganglia and the motor cortex. We hypothesize that the amygdala could communicate with motor areas through coherence of low frequency bands in the theta-alpha range. Furthermore, we discuss a potential role of the amygdala in therapeutic approaches based on electrical stimulation.
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Affiliation(s)
- Lisa-Maria Schönfeld
- Comparative Psychology, Institute of Experimental Psychology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Lars Wojtecki
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.,Department of Neurology, Center for Movement Disorders and Neuromodulation, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.,Department of Neurology and Neurorehabilitation, Hospital zum Heiligen Geist, Kempen, Germany
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