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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/38871

Title: Amyotrophic lateral sclerosis mutant vesicle-associated membrane protein-associated protein-B transgenic mice develop TAR-DNA-binding protein-43 pathology.
Author: MC LOUGHLIN, DECLAN
Sponsor: Wellcome Trust
Author's Homepage: http://people.tcd.ie/mclougde
Keywords: motor neuron disease
vesicle-associated membrane protein-associated protein-B
TAR-DNA-binding protein-43
ubiquitin
Issue Date: 2010
Citation: Tudor EL, Galtrey CM, Perkinton MS, Lau KF, De Vos KJ, Mitchell JC, Ackerley S, Hortobágyi T, Vámos E, Leigh PN, Klasen C, McLoughlin DM, Shaw CE, Miller CC, Amyotrophic lateral sclerosis mutant vesicle-associated membrane protein-associated protein-B transgenic mice develop TAR-DNA-binding protein-43 pathology., Neuroscience, 167, 3, 2010, 774-785
Series/Report no.: Neuroscience
167
3
Abstract: Cytoplasmic ubiquitin-positive inclusions containing TAR-DNA-binding protein-43 (TDP-43) within motor neurons are the hallmark pathology of sporadic amyotrophic lateral sclerosis (ALS). TDP-43 is a nuclear protein and the mechanisms by which it becomes mislocalized and aggregated in ALS are not properly understood. A mutation in the vesicle-associated membrane protein-associated protein-B (VAPB) involving a proline to serine substitution at position 56 (VAPBP56S) is the cause of familial ALS type-8. To gain insight into the molecular mechanisms by which VAPBP56S induces disease, we created transgenic mice that express either wild-type VAPB (VAPBwt) or VAPBP56S in the nervous system. Analyses of both sets of mice revealed no overt motor phenotype nor alterations in survival. However, VAPBP56S but not VAPBwt transgenic mice develop cytoplasmic TDP-43 accumulations within spinal cord motor neurons that were first detected at 18 months of age. Our results suggest a link between abnormal VAPBP56S function and TDP-43 mislocalization.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/38871
Appears in Collections:Psychiatry (Scholarly Publications)

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