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Low dietary protein...
Low dietary protein content alleviates motor symptoms in mice with mutant dynactin/dynein-mediated neurodegeneration.
- Article/chapterEnglish2015
Publisher, publication year, extent ...
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2014-12-30
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Oxford University Press (OUP),2015
Numbers
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LIBRIS-ID:oai:lup.lub.lu.se:a59ed6f6-2b75-4f6f-b19f-66e597fa9f6a
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https://lup.lub.lu.se/record/5041596URI
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https://doi.org/10.1093/hmg/ddu741DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Mutations in components of the molecular motor dynein/dynactin lead to neurodegenerative diseases of the motor system or atypical parkinsonism. These mutations are associated with prominent accumulation of vesicles involved in autophagy and lysosomal pathways, and with protein inclusions. Whether alleviating these defects would affect motor symptoms remain unknown. Here, we show that a mouse model expressing low levels of disease linked-G59S mutant dynactin p150(Glued) develops motor dysfunction >8 months before loss of motor neurons or dopaminergic degeneration is observed. Abnormal accumulation of autophagosomes and protein inclusions were efficiently corrected by lowering dietary protein content, and this was associated with transcriptional upregulations of key players in autophagy. Most importantly this dietary modification partially rescued overall neurological symptoms in these mice after onset. Similar observations were made in another mouse strain carrying a point mutation in the dynein heavy chain gene. Collectively, our data suggest that stimulating the autophagy/lysosomal system through appropriate nutritional intervention has significant beneficial effects on motor symptoms of dynein/dynactin diseases even after symptom onset.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Sinniger, Jérome
(author)
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Henriques, Alexandre
(author)
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Dieterlé, Stéphane
(author)
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Müller, Hans-Peter
(author)
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Rasche, Volker
(author)
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Ferger, Boris
(author)
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Dirrig-Grosch, Sylvie
(author)
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Soylu, RanaLund University,Lunds universitet,Translationell neuroendokrinologi,Forskargrupper vid Lunds universitet,Translational Neuroendocrinology,Lund University Research Groups(Swepub:lu)med-rso
(author)
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Petersén, ÅsaLund University,Lunds universitet,Translationell neuroendokrinologi,Forskargrupper vid Lunds universitet,Translational Neuroendocrinology,Lund University Research Groups(Swepub:lu)mphy-apn
(author)
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Walther, Paul
(author)
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Linkus, Birgit
(author)
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Kassubek, Jan
(author)
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Wong, Philip C
(author)
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Ludolph, Albert C
(author)
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Dupuis, Luc
(author)
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Translationell neuroendokrinologiForskargrupper vid Lunds universitet
(creator_code:org_t)
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In:Human Molecular Genetics: Oxford University Press (OUP)24:8, s. 2228-22400964-69061460-2083
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Wiesner, Diana
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Sinniger, Jérome
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Henriques, Alexa ...
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Dieterlé, Stépha ...
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Müller, Hans-Pet ...
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Rasche, Volker
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Ferger, Boris
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Dirrig-Grosch, S ...
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Soylu, Rana
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Petersén, Åsa
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Walther, Paul
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Linkus, Birgit
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Kassubek, Jan
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Wong, Philip C
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Ludolph, Albert ...
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Dupuis, Luc
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Medical Genetics
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Human Molecular ...
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Lund University