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Pala B, Pennazzi L, Nardoianni G, Fogacci F, Cicero AFG, Di Renzo L, Barbato E, Tocci G. Gut Microbiota Dysbiosis and Sleep Disorders: Culprit in Cardiovascular Diseases. J Clin Med 2024; 13:3254. [PMID: 38892965 PMCID: PMC11173264 DOI: 10.3390/jcm13113254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/25/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Background: Over the past decade, the gut microbiome (GM) has progressively demonstrated to have a central role in human metabolism, immunity, and cardiometabolic risk. Likewise, sleep disorders showed an impact on individual health and cardiometabolic risk. Recent studies seem to suggest multi-directional relations among GM, diet, sleep, and cardiometabolic risk, though specific interactions are not fully elucidated. We conducted a systematic review to synthesize the currently available evidence on the potential interactions between sleep and GM and their possible implications on cardiometabolic risk. Methods: A systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement for reporting systematic reviews and meta-analyses, including articles from January 2016 until November 2022. Narrative syntheses were employed to describe the results. Results: A total of 8 studies were selected according to these criteria. Our findings indicated that the sleep disorder and/or the acute circadian rhythm disturbance caused by sleep-wake shifts affected the human GM, mainly throughout microbial functionality. Conclusions: Sleep disorders should be viewed as cardiovascular risk factors and targeted for preventive intervention. More research and well-designed studies are needed to completely assess the role of sleep deprivation in the multi-directional relationship between GM and cardiometabolic risk.
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Affiliation(s)
- Barbara Pala
- Division of Cardiology, Department of Clinical and Molecular Medicine, University of Rome Sapienza, Sant’Andrea Hospital, 00189 Rome, Italy (G.N.); (E.B.)
| | - Laura Pennazzi
- Department of Obstetric Sciences, Faculty of Medicine and Surgery, Catholic University Sacro Cuore, 00168 Rome, Italy
| | - Giulia Nardoianni
- Division of Cardiology, Department of Clinical and Molecular Medicine, University of Rome Sapienza, Sant’Andrea Hospital, 00189 Rome, Italy (G.N.); (E.B.)
| | - Federica Fogacci
- Hypertension and Cardiovascular Risk Research Group, Medical and Surgical Sciences Department, University of Bologna, Sant’Orsola-Malpighi Hospital, 4013 Bologna, Italy (A.F.G.C.)
| | - Arrigo F. G. Cicero
- Hypertension and Cardiovascular Risk Research Group, Medical and Surgical Sciences Department, University of Bologna, Sant’Orsola-Malpighi Hospital, 4013 Bologna, Italy (A.F.G.C.)
- Cardiovascular Medicine Unit, IRCCS AOUBO, 40138 Bologna, Italy
| | - Laura Di Renzo
- Section of Clinical Nutrition and Nutrigenomic, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy;
- School of Specialization in Food Science, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Emanuele Barbato
- Division of Cardiology, Department of Clinical and Molecular Medicine, University of Rome Sapienza, Sant’Andrea Hospital, 00189 Rome, Italy (G.N.); (E.B.)
| | - Giuliano Tocci
- Division of Cardiology, Department of Clinical and Molecular Medicine, University of Rome Sapienza, Sant’Andrea Hospital, 00189 Rome, Italy (G.N.); (E.B.)
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Liu B, Lin W, Chen S, Xiang T, Yang Y, Yin Y, Xu G, Liu Z, Liu L, Pan J, Xie L. Gut Microbiota as an Objective Measurement for Auxiliary Diagnosis of Insomnia Disorder. Front Microbiol 2019; 10:1770. [PMID: 31456757 PMCID: PMC6701205 DOI: 10.3389/fmicb.2019.01770] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 07/17/2019] [Indexed: 12/27/2022] Open
Abstract
Insomnia is a type of sleep disorder which is associated with various diseases’ development and progression, such as obesity, type II diabetes and cardiovascular diseases. Recent investigation of the gut-brain axis enhances our understanding of the role of the gut microbiota in brain-related diseases. However, whether the gut microbiota is associated with insomnia remains unknown. In the present investigation, leveraging the 16S rDNA amplicon sequencing of V3-V4 region and the novel bioinformatic analysis, it was demonstrated that between insomnia and healthy populations, the composition, diversity and metabolic function of the gut microbiota are significantly changed. Other than these, redundancy analysis, co-occurrence analysis and PICRUSt underpin the gut taxa composition, signaling pathways, and metabolic functions perturbed by insomnia disorder. Moreover, random forest together with cross-validation identified two signature bacteria, which could be used to distinguish the insomnia patients from the healthy population. Furthermore, based on the relative abundance and clinical sleep parameter, we constructed a prediction model utilizing artificial neural network (ANN) for auxiliary diagnosis of insomnia disorder. Overall, the aforementioned study provides a comprehensive understanding of the link between the gut microbiota and insomnia disorder.
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Affiliation(s)
- Bingdong Liu
- Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, China.,State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Weifeng Lin
- Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shujie Chen
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ting Xiang
- Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yifan Yang
- Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yulong Yin
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Guohuan Xu
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Zhihong Liu
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Li Liu
- Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jiyang Pan
- Department of Psychiatry, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Liwei Xie
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China.,Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Jacob PF, Vaz SH, Ribeiro JA, Sebastião AM. P2Y1 receptor inhibits GABA transport through a calcium signalling-dependent mechanism in rat cortical astrocytes. Glia 2014; 62:1211-26. [PMID: 24733747 DOI: 10.1002/glia.22673] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 03/29/2014] [Accepted: 03/31/2014] [Indexed: 12/16/2022]
Abstract
Astrocytes express a variety of purinergic (P2) receptors, involved in astrocytic communication through fast increases in [Ca(2+) ]i . Of these, the metabotropic ATP receptors (P2Y) regulate cytoplasmic Ca(2+) levels through the PLC-PKC pathway. GABA transporters are a substrate for a number of Ca(2+) -related kinases, raising the possibility that calcium signalling in astrocytes impact the control of extracellular levels of the major inhibitory transmitter in the brain. To access this possibility we tested the influence of P2Y receptors upon GABA transport into astrocytes. Mature primary cortical astroglial-enriched cultures expressed functional P2Y receptors, as evaluated through Ca(2+) imaging, being P2Y1 the predominant P2Y receptor subtype. ATP (100 μM, for 1 min) caused an inhibition of GABA transport through either GAT-1 or GAT-3 transporters, decreasing the Vmax kinetic constant. ATP-induced inhibition of GATs activity was still evident in the presence of adenosine deaminase, precluding an adenosine-mediated effect. This, was mimicked by a specific agonist for the P2Y1,12,13 receptor (2-MeSADP). The effect of 2-MeSADP on GABA transport was blocked by the P2 (PPADS) and P2Y1 selective (MRS2179) receptor antagonists, as well as by the PLC inhibitor (U73122). 2-MeSADP failed to inhibit GABA transport in astrocytes where intracellular calcium had been chelated (BAPTA-AM) or where calcium stores were depleted (α-cyclopiazonic acid, CPA). In conclusion, P2Y1 receptors in astrocytes inhibit GABA transport through a mechanism dependent of P2Y1 -mediated calcium signalling, suggesting that astrocytic calcium signalling, which occurs as a consequence of neuronal firing, may operate a negative feedback loop to enhance extracellular levels of GABA.
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Affiliation(s)
- Pedro F Jacob
- Institute of Pharmacology and Neurosciences, Faculty of Medicine, University of Lisbon, Lisbon, Portugal; Neurosciences Unit, Institute of Molecular Medicine University of Lisbon, Lisbon, Portugal
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Das UN. Is metabolic syndrome X a disorder of the brain with the initiation of low-grade systemic inflammatory events during the perinatal period? J Nutr Biochem 2007; 18:701-13. [PMID: 17475465 DOI: 10.1016/j.jnutbio.2007.01.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2006] [Revised: 12/28/2006] [Accepted: 01/23/2007] [Indexed: 11/19/2022]
Abstract
An imbalance between pro- and anti-inflammatory molecules occurs in metabolic syndrome X. High-energy diet, saturated fats and trans-fats during perinatal period could suppress Delta(6) and Delta(5) desaturases both in the maternal and fetal tissues, resulting in a decrease in the concentrations of long-chain polyunsaturated fatty acids (LCPUFAs): arachidonic acid (AA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) that have a negative feedback control on inflammation. EPA, DHA and AA augment endothelial nitric oxide synthesis, potentiate insulin action both in the peripheral tissues and brain and alter leptin production. LCPUFAs are essential for brain growth and development and synaptogenesis and modulate the action of several neurotransmitters and hypothalamic peptides. This suggests that metabolic syndrome X could be a disorder of the brain due to suboptimal LCPUFAs during perinatal period that triggers low-grade systemic inflammation, implying that perinatal strategies are needed to prevent its development.
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Affiliation(s)
- Undurti N Das
- Department of Molecular and Clinical Medicine, Care Hospital, The Institute of Medical Sciences, Banjara Hills, Hyderabad-500 034, India; UND Life Sciences, Shaker Heights, OH 44120, USA
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Carrié I, Smirnova M, Clément M, DE JD, Francès H, Bourre JM. Docosahexaenoic acid-rich phospholipid supplementation: effect on behavior, learning ability, and retinal function in control and n-3 polyunsaturated fatty acid deficient old mice. Nutr Neurosci 2002; 5:43-52. [PMID: 11929197 DOI: 10.1080/10284150290007074] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
This study investigated the effects of docosahexaenoic acid (DHA)-rich phospholipid supplementation on behavior, electroretinogram and phospholipid fatty acid (PUFA) composition in selected brain regions and retina in old mice. Two groups of mice were fed a semisynthetic balanced diet or a diet deficient in alpha-linolenic acid. At the age of 8 months, half of each diet group was supplemented with DHA. In the open field, no differences in motor or exploratory activities were observed between the four diet groups. In the light/dark test of anxiety, the time spent in the light compartment was significantly higher in both supplemented groups than in control and deficient groups. Learning performance in the Morris water maze was significantly impaired in deficient old mice, but was completely restored by the phospholipid supplementation. The electroretinogram showed a significant alteration of a- and b-wave amplitudes in control compared to deficient mice. Phospholipid supplementation induced a significant increase of b-wave amplitude in both control and deficient groups and restored normal fatty acid composition in brain regions and retina in deficient mice. DHA-rich phospholipids may improve learning ability, visual function and reverse biochemical modifications in old mice fed an n-3 polyunsaturated fatty acid-deficient diet; they also may improve visual function in old mice fed a balanced diet.
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Affiliation(s)
- I Carrié
- INSERM U26, Unité de Neuro-Pharmaco-Nutrition, Paris, France
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Cunha RA, Ribeiro JA. Facilitation of GABA release by arachidonic acid in rat hippocampal synaptosomes. Eur J Neurosci 1999; 11:2171-4. [PMID: 10336686 DOI: 10.1046/j.1460-9568.1999.00661.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Arachidonic acid (AA) is proposed to be a facilitatory retrograde messenger in hippocampal glutamatergic synapses. In this study, we found that AA (10 microM) increased the basal outflow (19 +/- 4%) and the K+-evoked release of [3H]GABA (38 +/- 3%) from rat hippocampal synaptosomes. This effect is likely to be a direct action of AA, as it was not mimicked by arachidic acid (10 microM) and was not modified by inhibition of either lipooxygenase with nordihydroguaiaretic acid (50 microM) or cyclooxygenase with indomethacin (100 microM). Activation of protein kinase C may be involved, as chelerythrine (6 microM), a protein kinase C inhibitor, attenuated the AA (10 microM)-facilitation of K+-evoked [3H]GABA release by 58 +/- 5%. Phospholipase A2 (2 U/mL), an enzyme that releases AA, and melittin (1 microM), a phospholipase A2 activator, mimicked the AA-facilitation of evoked [3H]GABA release (70 +/- 6% and 76 +/- 7% facilitation, respectively). These results show that exogenously added and endogenously produced AA increased basal outflow and K+-evoked release of [3H]GABA from rat hippocampal synaptosomes. Thus, AA can no longer be considered solely a facilitatory neuromodulator in the hippocampus, as this AA-facilitation of the release of the main inhibitory neurotransmitter may predominate under certain circumstances.
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Affiliation(s)
- R A Cunha
- Laboratory of Neurosciences, Faculty of Medicine, Department of Chemistry and Biochemistry, University of Lisbon, Lisboa, Portugal.
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Almeida T, Cunha RA, Ribeiro JA. Facilitation by arachidonic acid of acetylcholine release from the rat hippocampus. Brain Res 1999; 826:104-11. [PMID: 10216201 DOI: 10.1016/s0006-8993(99)01267-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We investigated the effect of arachidonic acid (AA) on the release of [3H]acetylcholine ([3H]ACh) from the rat hippocampus. AA (3-30 microM) increased the basal tritium outflow and the field-electrically evoked release of [3H]ACh from hippocampal slices in a concentration-dependent manner. AA (30 microM) produced a 69+/-7% facilitation of the evoked and a 36+/-3% facilitation of basal tritium outflow. The effect of AA (30 microM) on the evoked tritium release was prevented by bovine serum albumin (BSA, 1%), which quenches AA, and was unaffected by the cyclooxygenase inhibitor, indomethacin (100 microM), and the lipooxygenase inhibitor, nordihydroguaiaretic acid (50 microM). Phospholipase A2 (PLA2, 2 U/ml), an enzyme that releases AA from the sn-2 position of phospholipids, mimicked the facilitatory effect of AA on the evoked tritium release (86+/-14% facilitation), an effect prevented by BSA (1%). The PLA2 activator, melittin (1 microM), enhanced the evoked tritium release by 98+/-11%, an effect prevented by the PLA2 inhibitor, arachidonyl trifluromethylketone (AACOCF3, 20 microM), and by BSA (1%). AA (30 microM), but not arachidic acid (30 microM), also facilitated (72+/-9%) the veratridine (10 microM)-evoked [3H]ACh release from superfused hippocampal synaptosomes, whereas PLA2 (2 U/ml) and melittin (1 microM) caused a lower facilitation (46+/-1% and 38+/-5%, respectively). The present results show that both exogenously added and endogenously produced AA increase the evoked release of [3H]ACh from rat hippocampal nerve terminals. Since muscarinic activation triggers AA production and we now observed that AA enhances ACh release, it is proposed that AA may act as a facilitatory retrograde messenger in hippocampal cholinergic muscarinic transmission as it has been proposed to act in glutamatergic transmission.
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Affiliation(s)
- T Almeida
- Laboratory of Neurosciences, Faculty of Medicine, University of Lisbon, Av. Prof. Egas Moniz, 1649-035, Lisbon, Portugal
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Blanchet F, Gauchy C, Perez S, Glowinski J, Kemel ML. Role of arachidonic acid in the regulation of the NMDA-evoked release of acetylcholine in striatal compartments. Synapse 1999; 31:140-50. [PMID: 10024011 DOI: 10.1002/(sici)1098-2396(199902)31:2<140::aid-syn7>3.0.co;2-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The role of endogenously released arachidonic acid in the control of the NMDA (50 microM)-evoked release of [3H]-acetylcholine previously formed from [3H]-choline was investigated in striosome-enriched areas and in the matrix of the rat striatum using a microsuperfusion procedure in vitro. Experiments were performed with either mepacrine (0.2 microM) or bovine serum albumin (BSA, 0.02%) which inhibits phospholipase A2 activity or binds endogenously released arachidonic acid, respectively. Both treatments similarly reduce the NMDA-evoked release of [3H]-acetylcholine, this effect being more pronounced in striosomes than in the matrix. These reductions result from a facilitation of dopamine release, since they were not observed in the presence of (-)sulpiride, the D2 dopamine receptor antagonist. Moreover, the superfusion with BSA was shown to enhance the release of [3H]-dopamine (formed from [3H]-tyrosine), this effect being of larger amplitude in striosomes than in the matrix. In control conditions, due to the blockade of the presynaptic inhibitory effect of GABA on dopamine release, bicuculline (GABA(A) receptor antagonist) reduces the NMDA-evoked release of [3H]-acetylcholine in both striatal compartments. Bicuculline was no longer effective following superfusions with either mepacrine or BSA, suggesting that these treatments eliminate the GABAergic presynaptic inhibitory control on dopamine transmission and thus lead to the dopamine-mediated inhibition of [3H]-acetylcholine release. These results indicate that arachidonic acid endogenously formed under weak stimulation of NMDA receptors contributes to the regulation of the evoked release of [3H]-acetylcholine by facilitating GABAergic transmission and that this process is more important in striosomes than in the matrix.
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Affiliation(s)
- F Blanchet
- Chaire de Neuropharmacologie, INSERM U114, Collège de France, Paris.
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Breukel AI, Besselsen E, Lopes da Silva FH, Ghijsen WE. Arachidonic acid inhibits uptake of amino acids and potentiates PKC effects on glutamate, but not GABA, exocytosis in isolated hippocampal nerve terminals. Brain Res 1997; 773:90-7. [PMID: 9409709 DOI: 10.1016/s0006-8993(97)00918-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Arachidonic acid (AA), the putative retrograde messenger in long-term potentiation, enhanced extracellular aspartate, glutamate, and GABA levels in rat hippocampus synaptosomes. Whether this effect was determined by stimulating the release and/or inhibiting the uptake of amino acids was further investigated using different experimental conditions. To approach physiological conditions, a static incubation assay was used where both release and uptake occur. Under these conditions, AA dose-dependently (10-25 microM) enhanced basal extracellular amino acid levels in a completely Ca2+-independent way. AA still exerted this effect in the presence of inhibitors of PKC or of AA metabolism. When using the superfusion release assay, in which amino acid uptake cannot occur, no potentiating effect of AA on superfusate amino acid levels was observed. Therefore, AA possibly enhances the extracellular levels of aspartate, glutamate and GABA by inhibiting the uptake of these amino acids and not their efflux. Indeed, AA reduced the Na+-dependent uptake of endogenously released amino acids, which were labelled with traces of tritiated D-aspartate and GABA. When stimulating hippocampus synaptosomes with 4-aminopyridine, AA (2 microM) potentiated the Ca2+-dependent release of glutamate, but not of GABA, synergistically with PKC activation by 4beta-phorbol-12,13-dibutyric acid. In rat hippocampus, AA exerts different presynaptic effects to regulate extracellular amino acid levels, by inhibiting carrier-mediated uptake and, for glutamate, by stimulating exocytosis.
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Affiliation(s)
- A I Breukel
- Graduate School of Neurosciences, Institute for Neurobiology, University of Amsterdam, The Netherlands
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