A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Reference Report

Reference
Citation Koike, M., Fukushi, J., Ichinohe, Y., Higashimae, N., Fujishiro, M., Sasaki, C., Yamaguchi, M., Uchihara, T., Yagishita, S., Ohizumi, H., Hori, S., Kakizuka, A. (2010). Valosin-containing Protein (VCP) in Novel Feedback Machinery between Abnormal Protein Accumulation and Transcriptional Suppression.  J. Biol. Chem. 285(28): 21736--21749. (Export to RIS)
FlyBase ID FBrf0211185
Publication Type Research paper
PubMed ID 20410307
PubMed Abstract Abnormal protein accumulation is often observed in human neurodegenerative disorders such as polyglutamine diseases and Parkinson disease. Genetic and biochemical analyses indicate that valosin-containing protein (VCP) is a crucial molecule in the pathogenesis of human neurodegenerative disorders. We report here that VCP was specifically modified in neuronal cells with abnormal protein accumulation; this modification caused the translocation of VCP into the nucleus. Modification-mimic forms of VCP induced transcriptional suppression with deacetylation of core histones, leading to cell atrophy and the decrease of de novo protein synthesis. Preventing VCP nuclear translocation in polyglutamine-expressing neuronal cells and Drosophila eyes mitigated neurite retraction and eye degenerations, respectively, concomitant with the recovery of core histone acetylation. This represents a novel feedback mechanism that regulates abnormal protein levels in the cytoplasm during physiological processes, as well as in pathological conditions such as abnormal protein accumulation in neurodegenerations.
DOI 10.1074/jbc.M109.099283
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Language of Publication English
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Publication Type Journal
Abbreviation J. Biol. Chem.
Title Journal of Biological Chemistry
Publication Year 1905-
ISBN/ISSN 0021-9258
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