Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila
Circadian clocks coordinate physiological, neurological, and behavioral functions into circa 24 hour rhythms, and the molecular mechanisms underlying circadian clock oscillations are conserved from Drosophila to humans. Clock oscillations and clock-controlled rhythms are known to dampen during aging...
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ftpubmed:oai:pubmedcentral.nih.gov:4149435 2023-05-15T15:10:27+02:00 Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila Long, Dani M. Blake, Matthew R. Dutta, Sudeshna Holbrook, Scott D. Kotwica-Rolinska, Joanna Kretzschmar, Doris Giebultowicz, Jadwiga M. 2014-08-29 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4149435 http://www.ncbi.nlm.nih.gov/pubmed/25171136 https://doi.org/10.1371/journal.pone.0106068 en eng Public Library of Science http://www.ncbi.nlm.nih.gov/pmc/articles/PMC http://www.ncbi.nlm.nih.gov/pubmed/25171136 http://dx.doi.org/10.1371/journal.pone.0106068 This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. CC-BY Research Article Text 2014 ftpubmed https://doi.org/10.1371/journal.pone.0106068 2014-09-07T01:28:03Z Circadian clocks coordinate physiological, neurological, and behavioral functions into circa 24 hour rhythms, and the molecular mechanisms underlying circadian clock oscillations are conserved from Drosophila to humans. Clock oscillations and clock-controlled rhythms are known to dampen during aging; additionally, genetic or environmental clock disruption leads to accelerated aging and increased susceptibility to age-related pathologies. Neurodegenerative diseases, such as Alzheimer's disease (AD), are associated with a decay of circadian rhythms, but it is not clear whether circadian disruption accelerates neuronal and motor decline associated with these diseases. To address this question, we utilized transgenic Drosophila expressing various Amyloid-β (Aβ) peptides, which are prone to form aggregates characteristic of AD pathology in humans. We compared development of AD-like symptoms in adult flies expressing Aβ peptides in the wild type background and in flies with clocks disrupted via a null mutation in the clock gene period (per01). No significant differences were observed in longevity, climbing ability and brain neurodegeneration levels between control and clock-deficient flies, suggesting that loss of clock function does not exacerbate pathogenicity caused by human-derived Aβ peptides in flies. However, AD-like pathologies affected the circadian system in aging flies. We report that rest/activity rhythms were impaired in an age-dependent manner. Flies expressing the highly pathogenic arctic Aβ peptide showed a dramatic degradation of these rhythms in tune with their reduced longevity and impaired climbing ability. At the same time, the central pacemaker remained intact in these flies providing evidence that expression of Aβ peptides causes rhythm degradation downstream from the central clock mechanism. Text Arctic PubMed Central (PMC) Arctic PLoS ONE 9 8 e106068 |
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Research Article Long, Dani M. Blake, Matthew R. Dutta, Sudeshna Holbrook, Scott D. Kotwica-Rolinska, Joanna Kretzschmar, Doris Giebultowicz, Jadwiga M. Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila |
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Research Article |
description |
Circadian clocks coordinate physiological, neurological, and behavioral functions into circa 24 hour rhythms, and the molecular mechanisms underlying circadian clock oscillations are conserved from Drosophila to humans. Clock oscillations and clock-controlled rhythms are known to dampen during aging; additionally, genetic or environmental clock disruption leads to accelerated aging and increased susceptibility to age-related pathologies. Neurodegenerative diseases, such as Alzheimer's disease (AD), are associated with a decay of circadian rhythms, but it is not clear whether circadian disruption accelerates neuronal and motor decline associated with these diseases. To address this question, we utilized transgenic Drosophila expressing various Amyloid-β (Aβ) peptides, which are prone to form aggregates characteristic of AD pathology in humans. We compared development of AD-like symptoms in adult flies expressing Aβ peptides in the wild type background and in flies with clocks disrupted via a null mutation in the clock gene period (per01). No significant differences were observed in longevity, climbing ability and brain neurodegeneration levels between control and clock-deficient flies, suggesting that loss of clock function does not exacerbate pathogenicity caused by human-derived Aβ peptides in flies. However, AD-like pathologies affected the circadian system in aging flies. We report that rest/activity rhythms were impaired in an age-dependent manner. Flies expressing the highly pathogenic arctic Aβ peptide showed a dramatic degradation of these rhythms in tune with their reduced longevity and impaired climbing ability. At the same time, the central pacemaker remained intact in these flies providing evidence that expression of Aβ peptides causes rhythm degradation downstream from the central clock mechanism. |
format |
Text |
author |
Long, Dani M. Blake, Matthew R. Dutta, Sudeshna Holbrook, Scott D. Kotwica-Rolinska, Joanna Kretzschmar, Doris Giebultowicz, Jadwiga M. |
author_facet |
Long, Dani M. Blake, Matthew R. Dutta, Sudeshna Holbrook, Scott D. Kotwica-Rolinska, Joanna Kretzschmar, Doris Giebultowicz, Jadwiga M. |
author_sort |
Long, Dani M. |
title |
Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila |
title_short |
Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila |
title_full |
Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila |
title_fullStr |
Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila |
title_full_unstemmed |
Relationships between the Circadian System and Alzheimer's Disease-Like Symptoms in Drosophila |
title_sort |
relationships between the circadian system and alzheimer's disease-like symptoms in drosophila |
publisher |
Public Library of Science |
publishDate |
2014 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4149435 http://www.ncbi.nlm.nih.gov/pubmed/25171136 https://doi.org/10.1371/journal.pone.0106068 |
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Arctic |
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Arctic |
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Arctic |
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Arctic |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC http://www.ncbi.nlm.nih.gov/pubmed/25171136 http://dx.doi.org/10.1371/journal.pone.0106068 |
op_rights |
This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
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CC-BY |
op_doi |
https://doi.org/10.1371/journal.pone.0106068 |
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PLoS ONE |
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9 |
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