Irradiation modulates association of NF-Y with histone-modifying cofactors PCAF and HDAC

Y. Peng, D. Stewart, W. Li, Meredith A. Hawkins, S. Kulak, B. Ballermann, N. Jahroudi

Research output: Contribution to journalArticle

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Abstract

Post-irradiation complications including thrombus formation result from increased procoagulant activity of vascular endothelial cells and elevated levels of von Willebrand factor (VWF) contribute to this process. We have previously demonstrated that irradiation induction of the VWF is mediated through interaction of NF-Y transcription factor with its cognate binding site in the VWF promoter. We have also demonstrated that irradiation increases the association of NF-Y with histone acetyltransferase p300/CBP-associated factor (PCAF). We now report that irradiation decreases the association of NF-Y with histone deacetylase 1 (HDAC1). We demonstrate that irradiation-induced changes in association of NF-Y with HDAC1 and PCAF lead to increased PCAF recruitment to the VWF promoter, increased association of acetylated histone H4 with the VWF promoter and subsequently increased transcription. We also demonstrate that this process is correlated to dephosphorylation of HDAC1 and is inhibited by calyculin A, an inhibitor of protein phosphatase1.

Original languageEnglish (US)
Pages (from-to)7576-7583
Number of pages8
JournalOncogene
Volume26
Issue number54
DOIs
StatePublished - Nov 29 2007

Fingerprint

von Willebrand Factor
Histones
Histone Deacetylase 1
Histone Acetyltransferases
Thrombosis
Transcription Factors
Endothelial Cells
Binding Sites
p300-CBP-associated factor
Proteins

Keywords

  • HDAC
  • Irradiation
  • NF-Y
  • PCAF
  • Von Willebrand factor

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Peng, Y., Stewart, D., Li, W., Hawkins, M. A., Kulak, S., Ballermann, B., & Jahroudi, N. (2007). Irradiation modulates association of NF-Y with histone-modifying cofactors PCAF and HDAC. Oncogene, 26(54), 7576-7583. https://doi.org/10.1038/sj.onc.1210565

Irradiation modulates association of NF-Y with histone-modifying cofactors PCAF and HDAC. / Peng, Y.; Stewart, D.; Li, W.; Hawkins, Meredith A.; Kulak, S.; Ballermann, B.; Jahroudi, N.

In: Oncogene, Vol. 26, No. 54, 29.11.2007, p. 7576-7583.

Research output: Contribution to journalArticle

Peng, Y, Stewart, D, Li, W, Hawkins, MA, Kulak, S, Ballermann, B & Jahroudi, N 2007, 'Irradiation modulates association of NF-Y with histone-modifying cofactors PCAF and HDAC', Oncogene, vol. 26, no. 54, pp. 7576-7583. https://doi.org/10.1038/sj.onc.1210565
Peng, Y. ; Stewart, D. ; Li, W. ; Hawkins, Meredith A. ; Kulak, S. ; Ballermann, B. ; Jahroudi, N. / Irradiation modulates association of NF-Y with histone-modifying cofactors PCAF and HDAC. In: Oncogene. 2007 ; Vol. 26, No. 54. pp. 7576-7583.
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