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    Rights statement: This is the author’s version of a work that was accepted for publication in Neurobiology of Disease. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Neurobiology of Disease, 104, 2017 DOI: 10.1016/j.nbd.2017.04.014

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Drosophila PINK1 and parkin loss-of-function mutants display a range of non-motor Parkinson’s disease phenotypes.

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Drosophila PINK1 and parkin loss-of-function mutants display a range of non-motor Parkinson’s disease phenotypes. / Julienne, Hannah; Buhl, Edgar; Leslie, David S.; Hodge, James J.L.

In: Neurobiology of Disease, Vol. 104, 08.2017, p. 15-23.

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Julienne, Hannah ; Buhl, Edgar ; Leslie, David S. ; Hodge, James J.L. / Drosophila PINK1 and parkin loss-of-function mutants display a range of non-motor Parkinson’s disease phenotypes. In: Neurobiology of Disease. 2017 ; Vol. 104. pp. 15-23.

Bibtex

@article{1d6e921a2d8d4efab189cf45f8d8f273,
title = "Drosophila PINK1 and parkin loss-of-function mutants display a range of non-motor Parkinson{\textquoteright}s disease phenotypes.",
abstract = "Parkinson{\textquoteright}s disease (PD) is more commonly associated with its motor symptoms and the related degeneration of dopamine (DA) neurons. However, it is becoming increasingly clear that PD patients also display a wide range of non-motor symptoms, including memory deficits and disruptions of their sleep-wake cycles. These have a large impact on their quality of life, and often precede the onset of motor symptoms, but their etiology is poorly understood. The fruit fly Drosophila has already been successfully used to model PD, and has been used extensively to study relevant non-motor behaviours in other contexts, but little attention has yet been paid to modelling non-motor symptoms of PD in this genetically tractable organism. We examined memory performance and circadian rhythms in flies with loss-of-function mutations in two PD genes: PINK1 and parkin. We found learning and memory abnormalities in both mutant genotypes, as well as a weakening of circadian rhythms that is underpinned by electrophysiological changes in clock neurons. Our study paves the way for further work that may help us understand the mechanisms underlying these neglected aspects of PD, thus identifying new targets for treatments to address these non-motor problems specifically and perhaps even to halt disease progression in its prodromal phase.",
keywords = "Parkinson's disease, Non-motor symptoms, PINK1, Parkin, Drosophila, Learning, Memory, Circadian rhythms, Sleep, Electrophysiology",
author = "Hannah Julienne and Edgar Buhl and Leslie, {David S.} and Hodge, {James J.L.}",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Neurobiology of Disease. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Neurobiology of Disease, 107, 2017 DOI: 10.1016/j.nbd.2017.04.014",
year = "2017",
month = aug
doi = "10.1016/j.nbd.2017.04.014",
language = "English",
volume = "104",
pages = "15--23",
journal = "Neurobiology of Disease",
issn = "0969-9961",
publisher = "ACADEMIC PRESS INC ELSEVIER SCIENCE",

}

RIS

TY - JOUR

T1 - Drosophila PINK1 and parkin loss-of-function mutants display a range of non-motor Parkinson’s disease phenotypes.

AU - Julienne, Hannah

AU - Buhl, Edgar

AU - Leslie, David S.

AU - Hodge, James J.L.

N1 - This is the author’s version of a work that was accepted for publication in Neurobiology of Disease. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Neurobiology of Disease, 107, 2017 DOI: 10.1016/j.nbd.2017.04.014

PY - 2017/8

Y1 - 2017/8

N2 - Parkinson’s disease (PD) is more commonly associated with its motor symptoms and the related degeneration of dopamine (DA) neurons. However, it is becoming increasingly clear that PD patients also display a wide range of non-motor symptoms, including memory deficits and disruptions of their sleep-wake cycles. These have a large impact on their quality of life, and often precede the onset of motor symptoms, but their etiology is poorly understood. The fruit fly Drosophila has already been successfully used to model PD, and has been used extensively to study relevant non-motor behaviours in other contexts, but little attention has yet been paid to modelling non-motor symptoms of PD in this genetically tractable organism. We examined memory performance and circadian rhythms in flies with loss-of-function mutations in two PD genes: PINK1 and parkin. We found learning and memory abnormalities in both mutant genotypes, as well as a weakening of circadian rhythms that is underpinned by electrophysiological changes in clock neurons. Our study paves the way for further work that may help us understand the mechanisms underlying these neglected aspects of PD, thus identifying new targets for treatments to address these non-motor problems specifically and perhaps even to halt disease progression in its prodromal phase.

AB - Parkinson’s disease (PD) is more commonly associated with its motor symptoms and the related degeneration of dopamine (DA) neurons. However, it is becoming increasingly clear that PD patients also display a wide range of non-motor symptoms, including memory deficits and disruptions of their sleep-wake cycles. These have a large impact on their quality of life, and often precede the onset of motor symptoms, but their etiology is poorly understood. The fruit fly Drosophila has already been successfully used to model PD, and has been used extensively to study relevant non-motor behaviours in other contexts, but little attention has yet been paid to modelling non-motor symptoms of PD in this genetically tractable organism. We examined memory performance and circadian rhythms in flies with loss-of-function mutations in two PD genes: PINK1 and parkin. We found learning and memory abnormalities in both mutant genotypes, as well as a weakening of circadian rhythms that is underpinned by electrophysiological changes in clock neurons. Our study paves the way for further work that may help us understand the mechanisms underlying these neglected aspects of PD, thus identifying new targets for treatments to address these non-motor problems specifically and perhaps even to halt disease progression in its prodromal phase.

KW - Parkinson's disease

KW - Non-motor symptoms

KW - PINK1

KW - Parkin

KW - Drosophila

KW - Learning

KW - Memory

KW - Circadian rhythms

KW - Sleep

KW - Electrophysiology

U2 - 10.1016/j.nbd.2017.04.014

DO - 10.1016/j.nbd.2017.04.014

M3 - Journal article

VL - 104

SP - 15

EP - 23

JO - Neurobiology of Disease

JF - Neurobiology of Disease

SN - 0969-9961

ER -