Abstract:
:TBX5 is a T-box family transcription factor that regulates heart and forelimb development in vertebrates and functional deficiencies in this protein result in Holt-Oram syndrome. Recently, we have shown that acetylation of TBX5 potentiates its activity and is important for heart and limb development. Here we report that class II histone deacetylases HDAC4 and HDAC5 associate with TBX5 and repress its role in cardiac gene transcription. Both HDAC4 and HDAC5 deacetylate TBX5, which promotes its relocation to the cytoplasm and HDAC4 antagonizes the physical association and functional cooperation between TBX5 and MEF2C. We also show that protein kinase D1 (PRKD1) relieves the HDAC4/5-mediated repression of TBX5. Thus, this study reveals a novel interaction of HDAC4/5 and PRKD1 in the regulation of TBX5 transcriptional activity.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Ghosh TK,Aparicio-Sánchez JJ,Buxton S,Brook JDdoi
10.1038/s41598-019-54312-wsubject
Has Abstractpub_date
2019-11-29 00:00:00pages
17992issue
1issn
2045-2322pii
10.1038/s41598-019-54312-wjournal_volume
9pub_type
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