Journal
NEUROSCIENCE LETTERS
Volume 327, Issue 2, Pages 75-78Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0304-3940(02)00400-7
Keywords
dystonia; torsinA; subcellular localization; endoplasmic reticulum
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Funding
- NINDS NIH HHS [P01-NS40256, R01-NS41816-01] Funding Source: Medline
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Two mutations in torsinA have been identified to date, both of which are associated with an autosomal dominant form of early onset-dystonia. It has been reported previously that expression of the more common mutation, a deletion of one of a pair of glutamates (DeltaE302/303) produces intracellular, endoplasmic reticulum-derived inclusions in cultured cells. In this study we have replicated these previous results and have additionally looked at the localization of the more recently described DeltaF323-Y328 mutation. We show that the localization of this latter mutation is similar to wild type torsinA and unlike the DeltaE302/303 mutation. This data suggests that the formation of intracellular inclusions is specific to DeltaE302/303 and not a property shared by DeltaF323-Y328. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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