Journal
MOLECULAR AND CELLULAR NEUROSCIENCE
Volume 29, Issue 4, Pages 536-544Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.mcn.2005.04.005
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- NINDS NIH HHS [NS42162] Funding Source: Medline
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Intracellular inclusions of abnormally long polyglutarnine tracts and neurotoxicity are the hallmarks of several hereditary neurodegenerative disorders, including Huntington's disease (HD). In Drosophila melanogaster, dMLF, an ortholog of human myeloid leukemia factors, hMLFl and hNILF2, suppressed polyglutamine toxicity and colocalized with the inclusions. In transfected primary rat neuronal cultures, dMLF and its orthologs reduced the morphological phenotypes and inclusions. Furthermore, dMLF reduced the recruitment of CBP and Hsp70 into the inclusions, both of which are among many essential proteins apparently trapped in the inclusions. These data suggest that a possible mechanism of suppression by dMLF is via the sequestration of polyglutamine oligomers or inclusions. (c) 2005 Elsevier Inc. All rights reserved.
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