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CREB-binding protein sequestration by expanded polyglutamine

CREB-binding protein sequestration by expanded polyglutamine Spinal and bulbar muscular atrophy (SBMA) is one of eight inherited neurodegenerative diseases known to be caused by CAG repeat expansion. The expansion results in an expanded polyglutamine tract, which likely confers a novel, toxic function to the affected protein. Cell culture and transgenic mouse studies have implicated the nucleus as a site for pathogenesis, suggesting that a critical nuclear factor or process is disrupted by the polyglutamine expansion. In this report we present evidence that CREB-binding protein (CBP), a transcriptional co-activator that orchestrates nuclear response to a variety of cell signaling cascades, is incorporated into nuclear inclusions formed by polyglutamine-containing proteins in cultured cells, transgenic mice and tissue from patients with SBMA. We also show CBP incorporation into nuclear inclusions formed in a cell culture model of another polyglutamine disease, spinocerebellar ataxia type 3. We present evidence that soluble levels of CBP are reduced in cells expressing expanded polyglutamine despite increased levels of CBP mRNA. Finally, we demonstrate that over-expression of CBP rescues cells from polyglutamine-mediated toxicity in neuronal cell culture. These data support a CBP-sequestration model of polyglutamine expansion disease. Received 2 June 2000; Revised and Accepted 10 July 2000. « Previous | Next Article » Table of Contents This Article Hum. Mol. Genet. (2000) 9 (14): 2197-2202. doi: 10.1093/hmg/9.14.2197 » Abstract Free Full Text (HTML) Free Full Text (PDF) Free Classifications Report Services Article metrics Alert me when cited Alert me if corrected Find similar articles Similar articles in Web of Science Similar articles in PubMed Add to my archive Download citation Request Permissions Citing Articles Load citing article information Citing articles via CrossRef Citing articles via Scopus Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by McCampbell, A. Articles by Fischbeck, K. H. Search for related content PubMed PubMed citation Articles by McCampbell, A. Articles by Taylor, J. P. Articles by Taye, A. A. Articles by Robitschek, J. Articles by Li, M. Articles by Walcott, J. Articles by Merry, D. Articles by Chai, Y. Articles by Paulson, H. Articles by Sobue, G. Articles by Fischbeck, K. H. 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References (27)

Publisher
Oxford University Press
Copyright
Copyright © 2015 Oxford University Press
ISSN
0964-6906
eISSN
1460-2083
DOI
10.1093/hmg/9.14.2197
Publisher site
See Article on Publisher Site

Abstract

Spinal and bulbar muscular atrophy (SBMA) is one of eight inherited neurodegenerative diseases known to be caused by CAG repeat expansion. The expansion results in an expanded polyglutamine tract, which likely confers a novel, toxic function to the affected protein. Cell culture and transgenic mouse studies have implicated the nucleus as a site for pathogenesis, suggesting that a critical nuclear factor or process is disrupted by the polyglutamine expansion. In this report we present evidence that CREB-binding protein (CBP), a transcriptional co-activator that orchestrates nuclear response to a variety of cell signaling cascades, is incorporated into nuclear inclusions formed by polyglutamine-containing proteins in cultured cells, transgenic mice and tissue from patients with SBMA. We also show CBP incorporation into nuclear inclusions formed in a cell culture model of another polyglutamine disease, spinocerebellar ataxia type 3. We present evidence that soluble levels of CBP are reduced in cells expressing expanded polyglutamine despite increased levels of CBP mRNA. Finally, we demonstrate that over-expression of CBP rescues cells from polyglutamine-mediated toxicity in neuronal cell culture. These data support a CBP-sequestration model of polyglutamine expansion disease. Received 2 June 2000; Revised and Accepted 10 July 2000. « Previous | Next Article » Table of Contents This Article Hum. Mol. Genet. (2000) 9 (14): 2197-2202. doi: 10.1093/hmg/9.14.2197 » Abstract Free Full Text (HTML) Free Full Text (PDF) Free Classifications Report Services Article metrics Alert me when cited Alert me if corrected Find similar articles Similar articles in Web of Science Similar articles in PubMed Add to my archive Download citation Request Permissions Citing Articles Load citing article information Citing articles via CrossRef Citing articles via Scopus Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by McCampbell, A. Articles by Fischbeck, K. H. Search for related content PubMed PubMed citation Articles by McCampbell, A. Articles by Taylor, J. P. Articles by Taye, A. A. Articles by Robitschek, J. Articles by Li, M. Articles by Walcott, J. Articles by Merry, D. Articles by Chai, Y. Articles by Paulson, H. Articles by Sobue, G. Articles by Fischbeck, K. H. Related Content Load related web page information Share Email this article CiteULike Delicious Facebook Google+ Mendeley Twitter What's this? Search this journal: Advanced » Current Issue November 15, 2015 24 (22) Alert me to new issues The Journal About this journal Rights & Permissions Dispatch date of the next issue This journal is a member of the Committee on Publication Ethics (COPE) We are mobile – find out more Journals Career Network Impact factor: 6.393 5-Yr impact factor: 6.850 Executive Editors Professor Kay Davies Professor Anthony Wynshaw-Boris Professor Joel Hirschhorn Dr Jeffrey Barrett View full editorial board For Authors Instructions to authors Online submission Submit Now! Self-archiving policy Open access options for authors - visit Oxford Open This journal enables compliance with the NIH Public Access Policy Alerting Services Email table of contents Email Advance Access CiteTrack XML RSS feed Corporate Services Advertising sales Reprints Supplements var taxonomies = ("SCI01140"); Most Most Read Genetics of obesity and the prediction of risk for health Non-coding RNA Telomerase and cancer Ion channel diseases Down syndrome--recent progress and future prospects » View all Most Read articles Most Cited The DNA methyltransferases of mammals Nonsense-Mediated mRNA Decay in Health and Disease Mutation of human short tandem repeats Prediction of deleterious human alleles Isolation of a Candidate Human Telomerase Catalytic Subunit Gene, Which Reveals Complex Splicing Patterns in Different Cell Types » View all Most Cited articles Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department. Online ISSN 1460-2083 - Print ISSN 0964-6906 Copyright © 2015 Oxford University Press Oxford Journals Oxford University Press Site Map Privacy Policy Cookie Policy Legal Notices Frequently Asked Questions Other Oxford University Press sites: Oxford University Press Oxford Journals China Oxford Journals Japan Academic & Professional books Children's & Schools Books Dictionaries & Reference Dictionary of National Biography Digital Reference English Language Teaching Higher Education Textbooks International Education Unit Law Medicine Music Online Products & Publishing Oxford Bibliographies Online Oxford Dictionaries Online Oxford English Dictionary Oxford Language Dictionaries Online Oxford Scholarship Online Reference Rights and Permissions Resources for Retailers & Wholesalers Resources for the Healthcare Industry Very Short Introductions World's Classics function fnc_onDomLoaded() { var query_context = getQueryContext(); PF_initOIUnderbar(query_context,":QS:default","","JRN"); PF_insertOIUnderbar(0); }; if (window.addEventListener) { window.addEventListener('load', fnc_onDomLoaded, false); } else if (window.attachEvent) { window.attachEvent('onload', fnc_onDomLoaded); } var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-189672-16"); pageTracker._setDomainName(".oxfordjournals.org"); pageTracker._trackPageview(); } catch(err) {}

Journal

Human Molecular GeneticsOxford University Press

Published: Sep 1, 2000

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