Author:
Bento Christoffer,Andersson Mattias K,Åman Pierre
Abstract
Abstract
Background
The DDIT3 gene encodes a transcription factor belonging to the CCAAT/enhancer binding protein (C/EBP) family. It is normally expressed at very low levels but is activated by cellular stress conditions and induces G1 arrest and, in some cell types, apoptosis. DDIT3 is found as a part of the fusion oncogene FUS-DDIT3 that is causal for the development of myxoid/round-cell liposarcomas (MLS/RCLS).
Results
In the present study, we searched for putative interaction partners of DDIT3 and the oncogenic FUS-DDIT3 among G1 cyclins and cyclin-dependent kinases. We found that FUS-DDIT3 and the normal DDIT3 bind CDK2. In addition, CDK2 showed an increased affinity for cytoskeletal proteins in cells expressing FUS-DDIT3 and DDIT3.
Conclusions
We conclude that DDIT3 binds CDK2 and that many of the observed biological effects of DDIT3 may involve interaction with CDK2.
Publisher
Springer Science and Business Media LLC
Cited by
19 articles.
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