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Grosu L, Grosu AI, Crisan D, Zlibut A, Perju-Dumbrava L. Parkinson's disease and cardiovascular involvement: Edifying insights (Review). Biomed Rep 2023; 18:25. [PMID: 36846617 PMCID: PMC9944619 DOI: 10.3892/br.2023.1607] [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: 12/11/2022] [Accepted: 02/02/2023] [Indexed: 02/16/2023] Open
Abstract
Parkinson's disease (PD) is one of the most common neurodegenerative illnesses, and is a major healthcare burden with prodigious consequences on life-quality, morbidity, and survival. Cardiovascular diseases are the leading cause of mortality worldwide and growing evidence frequently reports their co-existence with PD. Cardiac dysautonomia due to autonomic nervous system malfunction is the most prevalent type of cardiovascular manifestation in these patients, comprising orthostatic and postprandial hypotension, along with supine and postural hypertension. Moreover, many studies have endorsed the risk of patients with PD to develop ischemic heart disease, heart failure and even arrhythmias, but the underlying mechanisms are not entirely clear. As importantly, the medication used in treating PD, such as levodopa, dopamine agonists or anticholinergic agents, is also responsible for cardiovascular adverse reactions, but further studies are required to elucidate the underlying mechanisms. The purpose of this review was to provide a comprehensive overview of current available data regarding the overlapping cardiovascular disease in patients with PD.
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Affiliation(s)
- Laura Grosu
- Department of Neurology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Department of Neurology, Municipal Clinical Hospital, 400139 Cluj-Napoca, Romania
| | - Alin Ionut Grosu
- Department of Internal Medicine, 5th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400139 Cluj-Napoca, Romania
- Department of Cardiology, Municipal Clinical Hospital, 400139 Cluj-Napoca, Romania
| | - Dana Crisan
- Department of Internal Medicine, 5th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400139 Cluj-Napoca, Romania
- Department of Internal Medicine, Municipal Clinical Hospital, 400139 Cluj-Napoca, Romania
| | - Alexandru Zlibut
- Department of Internal Medicine, 5th Medical Clinic, Iuliu Hatieganu University of Medicine and Pharmacy, 400139 Cluj-Napoca, Romania
- Department of Cardiology, Emergency Clinical Hospital of Bucharest, 014461 Bucharest, Romania
| | - Lacramioara Perju-Dumbrava
- Department of Neurology, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
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Liu H, Xue Y, Chen L. Angiotensin II increases the firing activity of pallidal neurons and participates in motor control in rats. Metab Brain Dis 2023; 38:573-587. [PMID: 36454502 DOI: 10.1007/s11011-022-01127-w] [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: 04/11/2022] [Accepted: 11/22/2022] [Indexed: 12/05/2022]
Abstract
The globus pallidus has emerged as a crucial node in the basal ganglia motor control circuit under both healthy and parkinsonian states. Previous studies have shown that angiotensin II (Ang II) and angiotensin subtype 1 receptor (AT1R) are closely related to Parkinson's disease (PD). Recent morphological study revealed the expression of AT1R in the globus pallidus of mice. To investigate the functions of Ang II/AT1R on the globus pallidus neurons of both normal and parkinsonian rats, electrophysiological recordings and behavioral tests were performed in the present study. Electrophysiological recordings showed that exogenous and endogenous Ang II mainly excited the globus pallidus neurons through AT1R. Behavioral tests further demonstrated that unilateral microinjection of Ang II into the globus pallidus induced significantly contralateral-biased swing in elevated body swing test (EBST), and bilateral microinjection of Ang II into the globus pallidus alleviated catalepsy and akinesia caused by haloperidol. AT1R was involved in Ang II-induced behavioral effects. Immunostaining showed that AT1R was expressed in the globus pallidus of rats. On the basis of the present findings, we concluded that pallidal Ang II/AT1R alleviated parkinsonian motor deficits through activating globus pallidus neurons, which will provide a rationale for further investigations into the potential of Ang II in the treatment of motor disorders originating from the basal ganglia.
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Affiliation(s)
- Hongxia Liu
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, China
- Department of Physiology, Binzhou Medical University, Yantai, China
| | - Yan Xue
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, China.
| | - Lei Chen
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, China.
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Angelopoulou E, Bougea A, Papageorgiou SG, Villa C. Psychosis in Parkinson's Disease: A Lesson from Genetics. Genes (Basel) 2022; 13:genes13061099. [PMID: 35741861 PMCID: PMC9222985 DOI: 10.3390/genes13061099] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/17/2022] [Accepted: 06/18/2022] [Indexed: 02/06/2023] Open
Abstract
Psychosis in Parkinson's disease (PDP) represents a common and debilitating condition that complicates Parkinson's disease (PD), mainly in the later stages. The spectrum of psychotic symptoms are heterogeneous, ranging from minor phenomena of mild illusions, passage hallucinations and sense of presence to severe psychosis consisting of visual hallucinations (and rarely, auditory and tactile or gustatory) and paranoid delusions. PDP is associated with increased caregiver stress, poorer quality of life for patients and carers, reduced survival and risk of institutionalization with a significant burden on the healthcare system. Although several risk factors for PDP development have been identified, such as aging, sleep disturbances, long history of PD, cognitive impairment, depression and visual disorders, the pathophysiology of psychosis in PD is complex and still insufficiently clarified. Additionally, several drugs used to treat PD can aggravate or even precipitate PDP. Herein, we reviewed and critically analyzed recent studies exploring the genetic architecture of psychosis in PD in order to further understand the pathophysiology of PDP, the risk factors as well as the most suitable therapeutic strategies.
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Affiliation(s)
- Efthalia Angelopoulou
- Department of Neurology, Eginition University Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (E.A.); (A.B.); (S.G.P.)
| | - Anastasia Bougea
- Department of Neurology, Eginition University Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (E.A.); (A.B.); (S.G.P.)
| | - Sokratis G. Papageorgiou
- Department of Neurology, Eginition University Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece; (E.A.); (A.B.); (S.G.P.)
| | - Chiara Villa
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
- Correspondence: ; Tel.: +39-02-6448-8138
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Genetic polymorphisms in the renin-angiotensin system and cognitive decline in Parkinson's disease. Mol Biol Rep 2021; 48:5541-5548. [PMID: 34302265 PMCID: PMC8301732 DOI: 10.1007/s11033-021-06569-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 07/14/2021] [Indexed: 11/21/2022]
Abstract
Background Renin-angiotensin system (RAS) influences the central nervous system not only through its peripheral impact—the brain possesses its own local RAS. Studies showed altered RAS components in Parkinson’s disease (PD) and their association with oxidative stress which may be linked to neurodegeneration and dementia. Moreover, the protective functions of RAS blockade antagonists against cognitive decline and dementia have been suggested. This study aimed to examine whether genetic variability in RAS genes correlates with cognitive decline in PD. Methods and results We genotyped single nucleotide polymorphisms (SNPs) in angiotensinogen (AGT: rs699, rs4762), angiotensin II receptors (AGTR1: rs5186 and AGTR2: rs5194, rs1403543) genes, as well as insertion/deletion polymorphism in the angiotensin-converting enzyme (ACE I/D) gene in 256 PD patients, divided into three groups: without cognitive decline, with mild cognitive impairment and with PD dementia. We did not find any significant differences in the frequencies of the analysed polymorphisms in any of the groups. Conclusions Despite no direct correlation between the investigated polymorphisms in RAS genes and cognitive decline in PD, we believe the impact of those genotypes may be indirect, affecting RAS blockade treatment. Supplementary Information The online version contains supplementary material available at 10.1007/s11033-021-06569-6.
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Pierzchlińska A, Kwaśniak-Butowska M, Sławek J, Droździk M, Białecka M. Arterial Blood Pressure Variability and Other Vascular Factors Contribution to the Cognitive Decline in Parkinson's Disease. Molecules 2021; 26:molecules26061523. [PMID: 33802165 PMCID: PMC8001922 DOI: 10.3390/molecules26061523] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 11/24/2022] Open
Abstract
Dementia is one of the most disabling non-motor symptoms in Parkinson’s disease (PD). Unlike in Alzheimer’s disease, the vascular pathology in PD is less documented. Due to the uncertain role of commonly investigated metabolic or vascular factors, e.g., hypertension or diabetes, other factors corresponding to PD dementia have been proposed. Associated dysautonomia and dopaminergic treatment seem to have an impact on diurnal blood pressure (BP) variability, which may presumably contribute to white matter hyperintensities (WMH) development and cognitive decline. We aim to review possible vascular and metabolic factors: Renin-angiotensin-aldosterone system, vascular endothelial growth factor (VEGF), hyperhomocysteinemia (HHcy), as well as the dopaminergic treatment, in the etiopathogenesis of PD dementia. Additionally, we focus on the role of polymorphisms within the genes for catechol-O-methyltransferase (COMT), apolipoprotein E (APOE), vascular endothelial growth factor (VEGF), and for renin-angiotensin-aldosterone system components, and their contribution to cognitive decline in PD. Determining vascular risk factors and their contribution to the cognitive impairment in PD may result in screening, as well as preventive measures.
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Affiliation(s)
- Anna Pierzchlińska
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Aleja Powstańców Wlkp 72, 70-111 Szczecin, Poland;
- Correspondence: (A.P.); (M.D.)
| | - Magdalena Kwaśniak-Butowska
- Division of Neurological and Psychiatric Nursing, Medical University of Gdansk, Aleja Jana Pawła II 50, 80-462 Gdansk, Poland; (M.K.-B.); (J.S.)
- Department of Neurology, St Adalbert Hospital, Aleja Jana Pawła II 50, 80-462 Gdansk, Poland
| | - Jarosław Sławek
- Division of Neurological and Psychiatric Nursing, Medical University of Gdansk, Aleja Jana Pawła II 50, 80-462 Gdansk, Poland; (M.K.-B.); (J.S.)
- Department of Neurology, St Adalbert Hospital, Aleja Jana Pawła II 50, 80-462 Gdansk, Poland
| | - Marek Droździk
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, Aleja Powstańców Wlkp 72, 70-111 Szczecin, Poland
- Correspondence: (A.P.); (M.D.)
| | - Monika Białecka
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Aleja Powstańców Wlkp 72, 70-111 Szczecin, Poland;
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Politi C, Ciccacci C, Novelli G, Borgiani P. Genetics and Treatment Response in Parkinson's Disease: An Update on Pharmacogenetic Studies. Neuromolecular Med 2018; 20:1-17. [PMID: 29305687 DOI: 10.1007/s12017-017-8473-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 12/29/2017] [Indexed: 01/11/2023]
Abstract
Parkinson's disease (PD) is a complex neurodegenerative disorder characterized by a progressive loss of dopamine neurons of the central nervous system. The disease determines a significant disability due to a combination of motor symptoms such as bradykinesia, rigidity and rest tremor and non-motor symptoms such as sleep disorders, hallucinations, psychosis and compulsive behaviors. The current therapies consist in combination of drugs acting to control only the symptoms of the illness by the replacement of the dopamine lost. Although patients generally receive benefits from this symptomatic pharmacological management, they also show great variability in drug response in terms of both efficacy and adverse effects. Pharmacogenetic studies highlighted that genetic factors play a relevant influence in this drug response variability. In this review, we tried to give an overview of the recent progresses in the pharmacogenetics of PD, reporting the major genetic factors identified as involved in the response to drugs and highlighting the potential use of some of these genomic variants in the clinical practice. Many genes have been investigated and several associations have been reported especially with adverse drug reactions. However, only polymorphisms in few genes, including DRD2, COMT and SLC6A3, have been confirmed as associated in different populations and in large cohorts. The identification of genomic biomarkers involved in drug response variability represents an important step in PD treatment, opening the prospective of more personalized therapies in order to identify, for each person, the better therapy in terms of efficacy and toxicity and to improve the PD patients' quality of life.
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Affiliation(s)
- Cristina Politi
- Department of Biomedicine and Prevention, Genetics Section, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Cinzia Ciccacci
- Department of Biomedicine and Prevention, Genetics Section, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy.
| | - Giuseppe Novelli
- Department of Biomedicine and Prevention, Genetics Section, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
| | - Paola Borgiani
- Department of Biomedicine and Prevention, Genetics Section, University of Rome "Tor Vergata", Via Montpellier 1, 00133, Rome, Italy
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Guin D, Mishra MK, Talwar P, Rawat C, Kushwaha SS, Kukreti S, Kukreti R. A systematic review and integrative approach to decode the common molecular link between levodopa response and Parkinson's disease. BMC Med Genomics 2017; 10:56. [PMID: 28927418 PMCID: PMC5606117 DOI: 10.1186/s12920-017-0291-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Accepted: 08/24/2017] [Indexed: 11/26/2022] Open
Abstract
Background PD is a progressive neurodegenerative disorder commonly treated by levodopa. The findings from genetic studies on adverse effects (ADRs) and levodopa efficacy are mostly inconclusive. Here, we aim to identify predictive genetic biomarkers for levodopa response (LR) and determine common molecular link with disease susceptibility. A systematic review for LR was conducted for ADR, and drug efficacy, independently. All included articles were assessed for methodological quality on 14 parameters. GWAS of PD were also reviewed. Protein-protein interaction (PPI) analysis using STRING and functional enrichment using WebGestalt was performed to explore the common link between LR and PD. Results From 37 candidate studies on levodopa toxicity, 18 genes were found associated, of which, CAn STR 13, 14 (DRD2) was most significantly associated with dyskinesia, followed by rs1801133 (MTHFR) with hyper-homocysteinemia, and rs474559 (HOMER1) with hallucination. Similarly, 8 studies on efficacy resulted in 4 genes in which rs28363170, rs3836790 (SLC6A3) and rs4680 (COMT), were significant. To establish the molecular connection between LR with PD, we identified 35 genes significantly associated with PD. With 19 proteins associated with LR and 35 with PD, two independent PPI networks were constructed. Among the 67 nodes (263 edges) in LR, and 62 nodes (190 edges) in PD pathophysiology, UBC, SNCA, FYN, SRC, CAMK2A, and SLC6A3 were identified as common potential candidates. Conclusion Our study revealed the genetically significant polymorphism concerning the ADRs and levodopa efficacy. The six common genes may be used as predictive markers for therapy optimization and as putative drug target candidates. Electronic supplementary material The online version of this article (10.1186/s12920-017-0291-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Debleena Guin
- Genomics and Molecular Medicine Unit, Institute of Genomics and Integrative Biology (IGIB), Council of Scientific and Industrial Research (CSIR), Mall Road, New Delhi, -110007, India
| | - Manish Kumar Mishra
- Genomics and Molecular Medicine Unit, Institute of Genomics and Integrative Biology (IGIB), Council of Scientific and Industrial Research (CSIR), Mall Road, New Delhi, -110007, India.,Department of Chemistry, Nucleic Acids Research Lab, University of Delhi (North Campus), Delhi, India
| | - Puneet Talwar
- Genomics and Molecular Medicine Unit, Institute of Genomics and Integrative Biology (IGIB), Council of Scientific and Industrial Research (CSIR), Mall Road, New Delhi, -110007, India
| | - Chitra Rawat
- Genomics and Molecular Medicine Unit, Institute of Genomics and Integrative Biology (IGIB), Council of Scientific and Industrial Research (CSIR), Mall Road, New Delhi, -110007, India.,Academy of Scientific & Innovative Research (AcSIR), CSIR- Institute of Genomics and Integrative Biology (CSIR-IGIB) Campus, New Delhi, India
| | - Suman S Kushwaha
- Institute of Human Behaviour and Allied Sciences, Dilshad Garden, Delhi, India
| | - Shrikant Kukreti
- Department of Chemistry, Nucleic Acids Research Lab, University of Delhi (North Campus), Delhi, India
| | - Ritushree Kukreti
- Genomics and Molecular Medicine Unit, Institute of Genomics and Integrative Biology (IGIB), Council of Scientific and Industrial Research (CSIR), Mall Road, New Delhi, -110007, India. .,Academy of Scientific & Innovative Research (AcSIR), CSIR- Institute of Genomics and Integrative Biology (CSIR-IGIB) Campus, New Delhi, India.
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Huo Z, Luo X, Zhan X, Chu Q, Xu Q, Yao J, Pang H. Genetic analysis of indel markers in three loci associated with Parkinson's disease. PLoS One 2017; 12:e0184269. [PMID: 28873462 PMCID: PMC5584932 DOI: 10.1371/journal.pone.0184269] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 08/21/2017] [Indexed: 11/19/2022] Open
Abstract
The causal mutations and genetic polymorphisms associated with susceptibility to Parkinson’s disease (PD) have been extensively described. To explore the potential contribution of insertion (I)/deletion (D) polymorphisms (indels) to the risk of PD in a Chinese population, we performed genetic analyses of indel loci in ACE, DJ-1, and GIGYF2 genes. Genomic DNA was extracted from venous blood of 348 PD patients and 325 age- and sex-matched controls without neurodegenerative disease. Genotyping of the indel loci was performed by fragment length analysis after PCR and DNA sequencing. Our results showed a statistically significant association for both allele X (alleles without 5) vs. 5 (odds ratio = 1.378, 95% confidence interval = 1.112–1.708, P = 0.003) and genotype 5/X+X/X vs. 5/5 (odds ratio = 1.681, 95% confidence interval = 1.174–2.407, P = 0.004) in the GIGYF2 locus; however, no significant differences were detected for the ACE and DJ-1 indels. After stratification by gender, no significant differences were observed in any indels. These results indicate that the GIGYF2 indel may be associated with increased risk of PD in northern China.
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Affiliation(s)
- Zhixin Huo
- Department of Forensic Genetics and Biology, China Medical University, Shenyang North New Area, Shenyang, P.R., China
| | - Xiaoguang Luo
- Department of Neurology, 1st Affiliated Hospital of China Medical University, Shenyang, P.R., China
| | - Xiaoni Zhan
- Department of Forensic Genetics and Biology, China Medical University, Shenyang North New Area, Shenyang, P.R., China
| | - Qiaohong Chu
- Department of Forensic Genetics and Biology, China Medical University, Shenyang North New Area, Shenyang, P.R., China
| | - Qin Xu
- Department of Forensic Genetics and Biology, China Medical University, Shenyang North New Area, Shenyang, P.R., China
| | - Jun Yao
- Department of Forensic Genetics and Biology, China Medical University, Shenyang North New Area, Shenyang, P.R., China
| | - Hao Pang
- Department of Forensic Genetics and Biology, China Medical University, Shenyang North New Area, Shenyang, P.R., China
- * E-mail:
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Ffytche DH, Creese B, Politis M, Chaudhuri KR, Weintraub D, Ballard C, Aarsland D. The psychosis spectrum in Parkinson disease. Nat Rev Neurol 2017; 13:81-95. [PMID: 28106066 PMCID: PMC5656278 DOI: 10.1038/nrneurol.2016.200] [Citation(s) in RCA: 210] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
In 2007, the clinical and research profile of illusions, hallucinations, delusions and related symptoms in Parkinson disease (PD) was raised with the publication of a consensus definition of PD psychosis. Symptoms that were previously deemed benign and clinically insignificant were incorporated into a continuum of severity, leading to the rapid expansion of literature focusing on clinical aspects, mechanisms and treatment. Here, we review this literature and the evolving view of PD psychosis. Key topics include the prospective risk of dementia in individuals with PD psychosis, and the causal and modifying effects of PD medication. We discuss recent developments, including recognition of an increase in the prevalence of psychosis with disease duration, addition of new visual symptoms to the psychosis continuum, and identification of frontal executive, visual perceptual and memory dysfunction at different disease stages. In addition, we highlight novel risk factors - for example, autonomic dysfunction - that have emerged from prospective studies, structural MRI evidence of frontal, parietal, occipital and hippocampal involvement, and approval of pimavanserin for the treatment of PD psychosis. The accumulating evidence raises novel questions and directions for future research to explore the clinical management and biomarker potential of PD psychosis.
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Affiliation(s)
- Dominic H Ffytche
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology &Neuroscience, King's College London, UK. De Crespigny Park, London SE5 8AF, UK
| | - Byron Creese
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- University of Exeter Medical School, University of Exeter, EX1 2LU, UK
| | - Marios Politis
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- Neurodegeneration Imaging Group, Maurice Wohl Clinical Neuroscience Institute, Institute of Psychiatry, Psychology &Neuroscience, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - K Ray Chaudhuri
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- Department of Basic and Clinical Neuroscience, Maurice Wohl Clinical Neuroscience Institute, National Parkinson Foundation Centre of Excellence, King's College London/Kings College Hospital, 5 Cutcombe Road, London SE5 9RT, UK
| | - Daniel Weintraub
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- Departments of Psychiatry and Neurology, Perelman School of Medicine at the University of Pennsylvania 3615 Chestnut Street, #330, Philadelphia, Pennsylvania 19104, USA
- Parkinson's Disease and Mental Illness Research, Education and Clinical Centres (PADRECC and MIRECC), Philadelphia Veterans Affairs Medical Centre 3900 Woodland Avenue, Philadelphia, Pennsylvania 19104, USA
| | - Clive Ballard
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- University of Exeter Medical School, University of Exeter, EX1 2LU, UK
| | - Dag Aarsland
- KCL-PARCOG group, Institute of Psychiatry, Psychology &Neuroscience, King's College London, De Crespigny Park, London SE5 8AF, UK
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology &Neuroscience, King's College London, UK. De Crespigny Park, London SE5 8AF, UK
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Kim HJ, Jeon B. How close are we to individualized medicine for Parkinson's disease? Expert Rev Neurother 2016; 16:815-30. [PMID: 27105072 DOI: 10.1080/14737175.2016.1182021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
INTRODUCTION There is a considerable inter-individual heterogeneity in clinical features, disease course, and treatment response in Parkinson's disease (PD), which can be explained not only by disease process and clinical variables, but also by an impact from genetic factors. Evidence-based medicine relies on large randomized control trials and meta-analysis-average medicine, which ignores individual differences. However, we are now in the early phases of a paradigm shift in medicine relating to individuality and variability. The purpose of individualized medicine is to predict patients' responses to targeted therapy using diagnostic tests based on genetics or other molecular mechanisms, thus providing the right drug at the right dose at the right time. AREAS COVERED In this article, we outline current state of individualized medicine for PD. Expert Commentary: Pharmacogenomics, an important element of individualized medicine, is just beginning to be considered in PD. To advance the clinical use of pharmacogenomics, big data cohort for genomic research and multidisciplinary team approaches are necessary.
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Affiliation(s)
- Hee Jin Kim
- a Department of Neurology , Konkuk University Medical Center , Seoul , South Korea.,b Parkinson Disease Study Group , Seoul National University Hospital , Seoul , South Korea
| | - Beomseok Jeon
- a Department of Neurology , Konkuk University Medical Center , Seoul , South Korea.,c Department of Neurology and Movement Disorder Center, College of Medicine , Seoul National University , Seoul , South Korea
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Jiménez-Jiménez FJ, Alonso-Navarro H, García-Martín E, Agúndez JAG. Advances in understanding genomic markers and pharmacogenetics of Parkinson's disease. Expert Opin Drug Metab Toxicol 2016; 12:433-48. [PMID: 26910127 DOI: 10.1517/17425255.2016.1158250] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION The inheritance pattern of Parkinson's disease (PD) is likely multifactorial (owing to the interplay of genetic predisposition and environmental factors). Many pharmacogenetic studies have tried to establish a possible role of candidate genes in PD risk. Several studies have focused on the influence of genes in the response to antiparkinsonian drugs and in the risk of developing side-effects of these drugs. AREAS COVERED This review presents an overview of current knowledge, with particular emphasis on the most recent advances, both in case-control association studies on the role of candidate genes in the risk for PD as well as pharmacogenetic studies on the role of genes in the development of side effects of antiparkinsonian drugs. The most reliable results should be derived from meta-analyses of case-control association studies on candidate genes involving large series of PD patients and controls, and from genome-wide association studies (GWAS). EXPERT OPINION Prospective studies of large samples involving several genes with a detailed history of exposure to environmental factors in the same cohort of subjects, should be useful to clarify the role of genes in the risk for PD. The results of studies on the role of genes in the development of side-effects of antiparkinsonian drugs should, at this stage, only be considered preliminary.
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Affiliation(s)
| | | | | | - José A G Agúndez
- b Department of Pharmacology , University of Extremadura , Cáceres , Spain
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12
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Lenka A, Arumugham SS, Christopher R, Pal PK. Genetic substrates of psychosis in patients with Parkinson's disease: A critical review. J Neurol Sci 2016; 364:33-41. [PMID: 27084212 DOI: 10.1016/j.jns.2016.03.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2015] [Revised: 02/05/2016] [Accepted: 03/02/2016] [Indexed: 11/16/2022]
Abstract
Patients with Parkinson's disease (PD) may develop several non-motor symptoms such as psychosis, depression, cognitive impairment, autonomic disturbances and sleep disturbances. Psychosis is one of the common non-motor symptoms, which commonly manifests as visual hallucinations and minor hallucinations such as sense of passage and presence. Though long-term dopaminergic therapy, longer duration of PD and cognitive impairment have been described as risk factors for emergence of psychosis in PD, predicting psychosis in PD remains challenging. Multiple studies have explored the genetic basis of psychosis in PD by studying polymorphisms of several genes. Most of the studies have focused on apolipoprotein E polymorphism followed by polymorphisms in cholecystokinin (CCK) system, dopamine receptors and transporters, HOMER gene, serotonin, catechol-o-methyltransferase, angiotensin converting enzyme and tau. Other than the studies on polymorphisms of CCK, most of the studies have reported conflicting results regarding association with psychosis in PD. Three out of four studies on CCK polymorphism have reported significant association of -45C>T polymorphism with the presence of hallucinations. The discrepancies in the results across the studies reviewed are possibly due to racial differences as well as differences in the patient characteristics. This review critically analyzes the published studies on genetic polymorphisms in patients with PD and psychosis.
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Affiliation(s)
- Abhishek Lenka
- Department of Clinical Neurosciences, National Institute of Mental Health & Neurosciences, Hosur Road, Bangalore 560029, Karnataka, India; Department of Neurology, National Institute of Mental Health & Neurosciences, Hosur Road, Bangalore 560029, Karnataka, India
| | - Shyam Sundar Arumugham
- Department of Psychiatry, National Institute of Mental Health & Neurosciences, Hosur Road, Bangalore 560029, Karnataka, India
| | - Rita Christopher
- Department of Neurochemistry, National Institute of Mental Health & Neurosciences, Hosur Road, Bangalore 560029, Karnataka, India
| | - Pramod Kumar Pal
- Department of Neurology, National Institute of Mental Health & Neurosciences, Hosur Road, Bangalore 560029, Karnataka, India
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Schumacher-Schuh AF, Rieder CRM, Hutz MH. Parkinson's disease pharmacogenomics: new findings and perspectives. Pharmacogenomics 2015; 15:1253-71. [PMID: 25141900 DOI: 10.2217/pgs.14.93] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Parkinson's disease (PD) is unique among neurodegenerative disorders because a highly effective pharmacological symptomatic treatment is available. The marked variability in drug response and in adverse profiles associated with this treatment led to the search of genetic markers associated with these features. We present a review of the literature on PD pharmacogenetics to provide a critical discussion of the current findings, new approaches, limitations and recommendations for future research. Pharmacogenetics studies in this field have assessed several outcomes and genes, with special focus on dopaminergic genes, mainly DRD2, which is the most important receptor in nigrostriatal pathway. The heterogeneity in methodological strategies employed by different studies is impressive. The question of whether PD pharmacogenetics studies will improve clinical management by causing a shift from a trial-and-error approach to a pharmacological regimen that takes into account the individual variability remains an open question. Collaborative longitudinal studies with larger sample sizes, better outcome definitions and replication studies are required.
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Affiliation(s)
- Artur F Schumacher-Schuh
- Departamento de Genética, Instituto de Biociências, UFRGS, Caixa Postal 15053, 91501-970, Porto Alegre, RS, Brazil
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Song GG, Lee YH. The insertion/deletion polymorphism in the angiotensin-converting enzyme and susceptibility to schizophrenia or Parkinson's disease: A meta-analysis. J Renin Angiotensin Aldosterone Syst 2014; 16:434-42. [PMID: 25143327 DOI: 10.1177/1470320313495909] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 05/30/2013] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION The purpose of this study was to examine whether the insertion (I) and deletion (D) polymorphism of the angiotensin-converting enzyme (ACE) confers susceptibility to schizophrenia and Parkinson's disease (PD). MATERIALS AND METHODS A meta-analysis was performed of the associations between the ACE I/D polymorphism and schizophrenia and PD. RESULTS Thirteen studies with 2024 cases and 2230 controls comprising eight studies on schizophrenia and five on PD were included in the meta-analysis. The meta-analysis revealed no association between the ACE D allele and schizophrenia (OR = 0.990, 95% CI = 0.889-1.102, p = 0.856) or PD (OR = 1.067, 95% CI = 0.907-1.255, p = 0.433). Stratification by ethnicity indicated no association between the ACE D allele and schizophrenia in European, Asian, or Turkish ethnic groups (OR = 0.896, 95% CI = 0.566-1.419, p = 0.640; OR = 1.057, 95% CI = 0.903-1.238, p = 0.492; OR = 1.111, 95% CI = 0.889-1.389, p = 0.354, respectively). Ethnicity-specific meta-analysis was not conducted for PD because only one ethnic PD study was available. CONCLUSIONS This meta-analysis found no association between the ACE I/D polymorphism and schizophrenia or PD.
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Affiliation(s)
- Gwan Gyu Song
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Korea
| | - Young Ho Lee
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Korea
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Droździk M, Białecka M, Kurzawski M. Pharmacogenetics of Parkinson's disease - through mechanisms of drug actions. Curr Genomics 2014; 14:568-77. [PMID: 24532988 PMCID: PMC3924251 DOI: 10.2174/1389202914666131210212521] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2012] [Revised: 08/26/2013] [Accepted: 10/30/2013] [Indexed: 01/05/2023] Open
Abstract
In the last years due to development of molecular methods a substantial progress in understanding of genetic
associations with drug effects in many clinical disciplines has been observed. The efforts to define the role of genetic polymorphisms
in optimizing pharmacotherapy of Parkinson’s disease (PD) were also undertaken. So far, some promising
genetic loci for PD treatment were determined. In the review pharmacogenetic aspects of levodopa, dopamine agonists
and COMT inhibitors are discussed.
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Affiliation(s)
- Marek Droździk
- Department of Pharmacology, Pomeranian Medical University, Szczecin, Poland
| | - Monika Białecka
- Department of Pharmacology, Pomeranian Medical University, Szczecin, Poland
| | - Mateusz Kurzawski
- Department of Pharmacology, Pomeranian Medical University, Szczecin, Poland
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Su G, Dou H, Zhao L, Wang H, Liu G, Huang B, Peng B. The angiotensin-converting enzyme (ACE) I/D polymorphism in Parkinson’s disease. J Renin Angiotensin Aldosterone Syst 2013; 16:428-33. [PMID: 23833036 DOI: 10.1177/1470320313494432] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Accepted: 04/28/2013] [Indexed: 11/15/2022] Open
Affiliation(s)
- Gang Su
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
| | - Hengli Dou
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
| | - Limei Zhao
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
| | - Hongjie Wang
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
| | - Guiyang Liu
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
| | - Bo Huang
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
| | - Bo Peng
- Department of Neurosurgery, The Fourth People's Hospital of Jinan, China
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Di Lorenzo C, Coppola G, Currà A, Grieco G, Santorelli FM, Lepre C, Porretta E, Pascale E, Pierelli F. Cortical response to somatosensory stimulation in medication overuse headache patients is influenced by angiotensin converting enzyme (ACE) I/D genetic polymorphism. Cephalalgia 2012; 32:1189-97. [PMID: 23053304 DOI: 10.1177/0333102412461890] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Medication overuse headache (MOH) is a disabling health problem. Convincing evidence attributes a pathophysiologic role to central sensitization. By recording somatosensory evoked potentials (SSEPs) in patients with MOH, we observed increased sensitization and deficient habituation to repetitive sensory stimuli consistent with drug overuse. The renin-angiotensin system in the brain seems to play a relevant role in neural plasticity and dependence behavior. We therefore sought differences in SSEP sensitization and habituation in patients with MOH who underwent angiotensin converting enzyme (ACE) I/D polymorphism analysis. METHODS We recorded median-nerve SSEPs (two blocks of 100 sweeps) in 43 patients with MOH. We measured N20-P25 amplitudes, and assessed sensitization using the first block amplitudes, and habituation using amplitude changes between the two sequential blocks. According to their genotype, subjects were divided into three groups: "D/D", "D/I" and "I/I" carriers. RESULTS The habituation slope of the two SSEP block amplitudes was significantly increased in the D/D subgroup (n = 16) with respect to that of the I/I subgroup (n = 6), with the D/I subgroup (n = 21) falling in between. In D/D carriers, the habituation slope correlated positively with the duration of the overuse headache, and the first SSEP block amplitudes, a measure of sensitization, increased in strict relationship with the type of overused medication in the MOH patients overall and in the D/D subgroup; this was not so in the D/I and I/I subgroups. CONCLUSION In patients with MOH, the homozygote D/D ACE polymorphism influences habituation and sensitization to repeated sensory stimuli in strict relationship with medication overuse. We suggest that angiotensin peptides influence neuronal mechanisms of plasticity by interacting with central monoaminergic synaptic transmission.
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L Ng K, Nguyễn L. Role of vitamin d in Parkinson's disease. ISRN NEUROLOGY 2012; 2012:134289. [PMID: 22619734 PMCID: PMC3349248 DOI: 10.5402/2012/134289] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2011] [Accepted: 11/29/2011] [Indexed: 01/29/2023]
Abstract
Parkinson's disease (PD) is the second most common form of neurodegeneration in the elderly population. Clinically, it is characterized by tremor, rigidity, slowness of movement, and postural imbalance. A significant association between low serum vitamin D and PD has been demonstrated, suggesting that elevated vitamin D levels might provide protection against PD. Genetic studies have helped identify a number of proteins linking vitamin D to PD pathology, including the major histocompatibility complex (MHC) class II, the vitamin D receptor (VDR), cytochrome P450 2D6 (CYP2D6), chromosome 22, the renin-angiotensin system (RAS), heme oxygenase-1 (HO-1), poly(ADP-ribose) polymerase-1 gene (PARP-1), neurotrophic factor (NTF), and Sp1 transcription factor. Vitamin D has also been implicated in PD through its effects on L-type voltage-sensitive calcium channels (L-VSCC), nerve growth factor (NGF), matrix metalloproteinases (MMPs), prostaglandins (PGs) and cyclooxygenase-2 (COX-2), reactive oxygen species (ROS), and nitric oxide synthase (NOS). A growing body of evidence suggests that vitamin D supplementation may be beneficial for PD patients. Among the different forms of vitamin D, calcitriol (1,25-dihydroxyvitamin D3) is best indicated for PD, because it is a highly active vitamin D3 metabolite with an appropriate receptor in the central nervous system (CNS).
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Affiliation(s)
- Khanh L Ng
- Vietnamese American Medical Research Foundation, Westminster, CA 92683, USA
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Lu'o'ng KVQ, Nguyên LTH. Thiamine and Parkinson's disease. J Neurol Sci 2012; 316:1-8. [PMID: 22385680 DOI: 10.1016/j.jns.2012.02.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 02/03/2012] [Accepted: 02/08/2012] [Indexed: 11/20/2022]
Abstract
Parkinson's disease (PD) is the second most common form of neurodegeneration in the elderly population. PD is clinically characterized by tremors, rigidity, slowness of movement and postural imbalance. A significant association has been demonstrated between PD and low levels of thiamine in the serum, which suggests that elevated thiamine levels might provide protection against PD. Genetic studies have helped identify a number of factors that link thiamine to PD pathology, including the DJ-1 gene, excitatory amino acid transporters (EAATs), the α-ketoglutarate dehydrogenase complex (KGDHC), coenzyme Q10 (CoQ10 or ubiquinone), lipoamide dehydrogenase (LAD), chromosome 7, transcription factor p53, the renin-angiotensin system (RAS), heme oxygenase-1 (HO-1), and poly(ADP-ribose) polymerase-1 gene (PARP-1). Thiamine has also been implicated in PD through its effects on L-type voltage-sensitive calcium channels (L-VSCC), matrix metalloproteinases (MMPs), prostaglandins (PGs), cyclooxygenase-2 (COX-2), reactive oxygen species (ROS), and nitric oxide synthase (NOS). Recent studies highlight a possible relationship between thiamine and PD. Genetic studies provide opportunities to determine which proteins may link thiamine to PD pathology. Thiamine can also act through a number of non-genomic mechanisms that include protein expression, oxidative stress, inflammation, and cellular metabolism. Further studies are needed to determine the benefits of using thiamine as a treatment for PD.
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Mertens B, Vanderheyden P, Michotte Y, Sarre S. The role of the central renin-angiotensin system in Parkinson's disease. J Renin Angiotensin Aldosterone Syst 2009; 11:49-56. [PMID: 19861346 DOI: 10.1177/1470320309347789] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Since the discovery of a renin-angiotensin system (RAS) in the brain, several studies have linked this central RAS to neurological disorders such as ischaemia, Alzheimer's disease and depression. In the last decade, evidence has accumulated that the central RAS might also play a role in Parkinson's disease. Although the exact cause of this progressive neurodegenerative disorder of the basal ganglia remains unidentified, inflammation and oxidative stress have been suggested to be key factors in the pathogenesis and the progression of the disease. Since angiotensin II is a pro-inflammatory compound that can induce the production of reactive oxygen species due to activation of the NADPH-dependent oxidase complex, this peptide might contribute to dopaminergic cell death. In this review, three different strategies to interfere with the pathogenesis or the progression of Parkinson's disease are discussed. They include inhibition of the angiotensin-converting enzyme, blockade of the angiotensin II type 1 receptor and stimulation of the angiotensin II type 2 receptor.
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Affiliation(s)
- Birgit Mertens
- Department of Pharmaceutical Chemistry and Drug Analysis, Research Group Experimental Neuropharmacology, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium
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