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A comparison of the neuronal dysfunction caused by Drosophila tau and human tau in a Drosophila model of tauopathies

A comparison of the neuronal dysfunction caused by Drosophila tau and human tau in a Drosophila model of tauopathies
A comparison of the neuronal dysfunction caused by Drosophila tau and human tau in a Drosophila model of tauopathies
Hyperphosphorylation and aggregation of tau into tangles is a feature of disorders such as Alzheimer’s disease and other Tauopathies. To model these disorders in Drosophila melanogaster, human tau has been over-expressed and a variety of phenotypes have been observed including neurotoxicity, disrupted neuronal and synaptic function and locomotor impairments. Neuronal dysfunction has been seen prior to neuronal death and in the absence of tangle formation. The Drosophila tau protein shares a large degree of homology with human tau but differs in the crucial microtubule binding domains. Although like human tau Drosophila tau can induce neurotoxicity, little is known about its ability to disrupt neuronal function. In this study we demonstrate that like human tau, over-expression of Drosophila tau results in disrupted axonal transport, altered neuromuscular junction morphology and locomotor impairments. This indicates that like human tau, over-expression of Drosophila tau compromises neuronal function despite significant differences in microtubule binding regions.
1354-2516
165-171
Ubhi, Kiren K.
1dc81fd9-dd3c-4d8a-a631-1155f378571e
Shaibah, Hassan
161e95d3-6828-459e-9132-4986f789442b
Newman, Tracey A.
322290cb-2e9c-445d-a047-00b1bea39a25
Shepherd, David
11aa6858-d19c-4450-82ff-11dff9dcd9c4
Mudher, Amritpal
ce0ccb35-ac49-4b6c-92b4-8dd5e78ac119
Ubhi, Kiren K.
1dc81fd9-dd3c-4d8a-a631-1155f378571e
Shaibah, Hassan
161e95d3-6828-459e-9132-4986f789442b
Newman, Tracey A.
322290cb-2e9c-445d-a047-00b1bea39a25
Shepherd, David
11aa6858-d19c-4450-82ff-11dff9dcd9c4
Mudher, Amritpal
ce0ccb35-ac49-4b6c-92b4-8dd5e78ac119

Ubhi, Kiren K., Shaibah, Hassan, Newman, Tracey A., Shepherd, David and Mudher, Amritpal (2007) A comparison of the neuronal dysfunction caused by Drosophila tau and human tau in a Drosophila model of tauopathies. Invertebrate Neuroscience, 7 (3), 165-171. (doi:10.1007/s10158-007-0052-4).

Record type: Article

Abstract

Hyperphosphorylation and aggregation of tau into tangles is a feature of disorders such as Alzheimer’s disease and other Tauopathies. To model these disorders in Drosophila melanogaster, human tau has been over-expressed and a variety of phenotypes have been observed including neurotoxicity, disrupted neuronal and synaptic function and locomotor impairments. Neuronal dysfunction has been seen prior to neuronal death and in the absence of tangle formation. The Drosophila tau protein shares a large degree of homology with human tau but differs in the crucial microtubule binding domains. Although like human tau Drosophila tau can induce neurotoxicity, little is known about its ability to disrupt neuronal function. In this study we demonstrate that like human tau, over-expression of Drosophila tau results in disrupted axonal transport, altered neuromuscular junction morphology and locomotor impairments. This indicates that like human tau, over-expression of Drosophila tau compromises neuronal function despite significant differences in microtubule binding regions.

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More information

Published date: 18 July 2007

Identifiers

Local EPrints ID: 73387
URI: http://eprints.soton.ac.uk/id/eprint/73387
ISSN: 1354-2516
PURE UUID: 19d8d8d2-92e7-4086-a3ac-1866bce9f92c
ORCID for Tracey A. Newman: ORCID iD orcid.org/0000-0002-3727-9258
ORCID for David Shepherd: ORCID iD orcid.org/0000-0002-6961-7880

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Date deposited: 09 Mar 2010
Last modified: 06 Aug 2024 01:52

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Contributors

Author: Kiren K. Ubhi
Author: Hassan Shaibah
Author: David Shepherd ORCID iD
Author: Amritpal Mudher

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