Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.

Aberrant acetylation has been strongly linked to tumorigenesis, and the modulation of acetylation through targeting histone deacetylases (HDACs) is gathering increasing pace as a viable therapeutic strategy. A genome-wide loss-of-function screen identified HR23B, which shuttles ubiquitinated cargo p...

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Main Authors: Fotheringham, S, Epping, M, Stimson, L, Khan, O, Wood, V, Pezzella, F, Bernards, R, La Thangue, N
Format: Journal article
Language:English
Published: 2009
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author Fotheringham, S
Epping, M
Stimson, L
Khan, O
Wood, V
Pezzella, F
Bernards, R
La Thangue, N
author_facet Fotheringham, S
Epping, M
Stimson, L
Khan, O
Wood, V
Pezzella, F
Bernards, R
La Thangue, N
author_sort Fotheringham, S
collection OXFORD
description Aberrant acetylation has been strongly linked to tumorigenesis, and the modulation of acetylation through targeting histone deacetylases (HDACs) is gathering increasing pace as a viable therapeutic strategy. A genome-wide loss-of-function screen identified HR23B, which shuttles ubiquitinated cargo proteins to the proteasome, as a sensitivity determinant for HDAC inhibitor-induced apoptosis. HR23B also governs tumor cell sensitivity to drugs that act directly on the proteasome. The level of HR23B influences the response of tumor cells to HDAC inhibitors, and HR23B is found at high levels in cutaneous T cell lymphoma in situ, a malignancy that responds favorably to HDAC inhibitor-based therapy. These results suggest that deregulated proteasome activity contributes to the anticancer activity of HDAC inhibitors.
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spelling oxford-uuid:4b7498c8-2e83-4b23-ad9a-f70e0c68bd702022-03-26T15:43:41ZGenome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:4b7498c8-2e83-4b23-ad9a-f70e0c68bd70EnglishSymplectic Elements at Oxford2009Fotheringham, SEpping, MStimson, LKhan, OWood, VPezzella, FBernards, RLa Thangue, NAberrant acetylation has been strongly linked to tumorigenesis, and the modulation of acetylation through targeting histone deacetylases (HDACs) is gathering increasing pace as a viable therapeutic strategy. A genome-wide loss-of-function screen identified HR23B, which shuttles ubiquitinated cargo proteins to the proteasome, as a sensitivity determinant for HDAC inhibitor-induced apoptosis. HR23B also governs tumor cell sensitivity to drugs that act directly on the proteasome. The level of HR23B influences the response of tumor cells to HDAC inhibitors, and HR23B is found at high levels in cutaneous T cell lymphoma in situ, a malignancy that responds favorably to HDAC inhibitor-based therapy. These results suggest that deregulated proteasome activity contributes to the anticancer activity of HDAC inhibitors.
spellingShingle Fotheringham, S
Epping, M
Stimson, L
Khan, O
Wood, V
Pezzella, F
Bernards, R
La Thangue, N
Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.
title Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.
title_full Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.
title_fullStr Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.
title_full_unstemmed Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.
title_short Genome-wide loss-of-function screen reveals an important role for the proteasome in HDAC inhibitor-induced apoptosis.
title_sort genome wide loss of function screen reveals an important role for the proteasome in hdac inhibitor induced apoptosis
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