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The Role of Dopamine in the Regulation of Sleep and Circadian Rhythms

Total Cost €


EC-Contrib. €






 CircaDopamine project word cloud

Explore the words cloud of the CircaDopamine project. It provides you a very rough idea of what is the project "CircaDopamine" about.

symptoms    age    prevalent    pd    circadian    neurodegeneration    shows    inspired    da    therapeutic    strategies    first    striatal    significantly    electrophysiology    cortical    parkinson    multiunit    holds    clock    dopamine    laboratory    circada    perturbations    motor    question    hosting    bioluminescence    neurodegenerative    driving    vivo    investigation    alleviate    multiple    mechanisms    competences    selectively    regulates    neurotransmission    mitopark    correlates    synchronizing    academic    neurons    transgenic    suffering    receptor    combined    patch    drugs    sleep    vitro    collectively    gene    modulate    electrophysiological    oscillations    model    fundamental    neurological    rhythms    dependent    translational    career    disorders    patients    mouse    researcher    polysomnography    debilitating    regulation    behavior    lacks    originate    mice    psychiatric    molecular    disease    performed    alterations    selective    per2    diseases    clamp    progressive    ph    functional    wakefulness    insights    models   

Project "CircaDopamine" data sheet

The following table provides information about the project.


Organization address
city: LEIDEN
postcode: 2333 ZA

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Netherlands [NL]
 Project website
 Total cost 177˙598 €
 EC max contribution 177˙598 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-07-01   to  2017-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    ACADEMISCH ZIEKENHUIS LEIDEN NL (LEIDEN) coordinator 177˙598.00


 Project objective

Alterations in sleep/wakefulness behavior are among the most debilitating and highly prevalent non-motor symptoms of many neurological and psychiatric disorders that originate from perturbations of the Dopamine (DA) system. Currently, no effective therapeutic strategies are available to alleviate these symptoms. Inspired by my Ph.D results, the current proposal aims to investigate in detail the role of dopamine in the regulation of sleep and circadian rhythms. The main question under investigation is; By what mechanisms DA regulates sleep and circadian rhythms and how are these affected in diseases (such as Parkinson)? Two transgenic mouse models will be used; the first model (MitoPark) shows, like in Parkinson’s disease (PD) patients, a progressive age-dependent neurodegeneration of DA neurons. The second model (CircaDA) lacks functional clock gene oscillations selectively in DA neurons. Using polysomnography in MitoPark mice, a detailed investigation of the consequences of DA loss on sleep regulation will be performed. In-vivo multiunit electrophysiology will be used in both mouse models to study the role of the circadian changes in DA neurotransmission in driving and/or synchronizing the electrophysiological properties of striatal and cortical neurons. Finally, selective DA receptor drugs will be combined with in-vitro patch clamp electrophysiology and in-vitro Per2-bioluminescence to investigate the molecular pathways used by DA to modulate multiple electrophysiological correlates of clock gene oscillations. Collectively, this proposal holds promising fundamental and translational insights for sleep problems experienced by patients suffering from DA-related disorders and is expected to significantly contribute in fostering the academic career of the researcher and the competences of the hosting laboratory in Neurodegenerative diseases.


year authors and title journal last update
List of publications.
2018 Karim Fifel, Johanna H. Meijer, Tom Deboer
Circadian and Homeostatic Modulation of Multi-Unit Activity in Midbrain Dopaminergic Structures
published pages: , ISSN: 2045-2322, DOI: 10.1038/s41598-018-25770-5
Scientific Reports 8/1 2019-07-23
2018 Karim Fifel, Aleksandar Videnovic
Light Therapy in Parkinson’s Disease: Towards Mechanism-Based Protocols
published pages: 252-254, ISSN: 0166-2236, DOI: 10.1016/j.tins.2018.03.002
Trends in Neurosciences 41/5 2019-07-23
2018 Fifel K
Readiness Potential and Neuronal Determinism: New Insights on Libet Experiment
published pages: , ISSN: 1529-2401, DOI: 10.1523/JNEUROSCI.3136-17.2017
J Neurosci 2019-07-23
2018 Marjolein Schoonakker, Johanna H Meijer, Tom Deboer, Karim Fifel
Heterogeneity in the circadian and homeostatic modulation of multiunit activity in the lateral hypothalamus
published pages: , ISSN: 0161-8105, DOI: 10.1093/sleep/zsy051
Sleep 41/6 2019-07-23
2018 Karim Fifel, Johanna H. Meijer, Tom Deboer
Long-term effects of sleep deprivation on neuronal activity in four hypothalamic areas
published pages: 54-63, ISSN: 0969-9961, DOI: 10.1016/j.nbd.2017.10.005
Neurobiology of Disease 109 2019-07-23
2017 Karim Fifel
Alterations of the circadian system in Parkinson\'s disease patients
published pages: 682-692, ISSN: 0885-3185, DOI: 10.1002/mds.26865
Movement Disorders 32/5 2019-07-23

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