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SPT6 interacts with NSD2 and facilitates interferon-induced transcription.

FEBS Lett.2018 May;592(10):1681-1692. doi:10.1002/1873-3468.13069. Epub 2018 May 20
Ryota Ouda 1 , Naoyuki Sarai 2 , Vishal Nehru 1 , Mira C Patel 3 , Maxime Debrosse 4 , Mahesh Bachu 1 , Răzvan V Chereji 1 , Peter R Eriksson 1 , David J Clark 1 , Keiko Ozato 1
Ryota Ouda 1 , Naoyuki Sarai 2 , Vishal Nehru 1 , Mira C Patel 3 , Maxime Debrosse 4 , Mahesh Bachu 1 , Răzvan V Chereji 1 , Peter R Eriksson 1 , David J Clark 1 , Keiko Ozato 1
+ et al

[No authors listed]

Author information
  • 1 Division of Developmental Biology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.
  • 2 Centre for Chromosome Biology, School of Natural Sciences, National University of Ireland, Galway, Ireland.
  • 3 Sigmovir Biosystems, Inc., Rockville, MD, USA.
  • 4 Interventional Pain Clinic, Eastern Maine Medical Center, Bangor, ME, USA.

摘要

The role of the histone chaperone SPT6 in mammalian cells is not fully understood. Here, we investigated the involvement of SPT6 in type I interferon (IFN)-induced transcription in murine fibroblasts. In RNA-seq analysis, Spt6 siRNA attenuates about half of ~ 200 IFN-stimulated genes (ISGs), while not affecting housekeeping genes. ISGs with high mRNA induction are more susceptible to Spt6 siRNA than those with lower levels of induction. ChIP analysis shows that SPT6 is recruited to highly inducible, Spt6 siRNA-sensitive ISGs, but not to other siRNA-insensitive ISGs. Furthermore, SPT6 recruitment is abrogated in cells lacking the histone methyltransferase NSD2. In co-IP experiments, SPT6 interacts with NSD2. In summary, SPT6 facilitates IFN-induced transcription, highlighting its critical role in gene activation.

KEYWORDS: NSD2, SPT6, histone methylation, interferon, interferon stimulated genes, transcription

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