ppat.1006544.g006.tif (500.88 kB)

ZBTB32 represses Eomes and Cd27 gene expression in CD8+ T cells by recruiting histone deacetylases 1 and 2.

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posted on 21.08.2017 by Hyun Mu Shin, Varun N. Kapoor, Gwanghun Kim, Peng Li, Hang-Rae Kim, M. Suresh, Susan M. Kaech, E. John Wherry, Liisa K. Selin, Warren J. Leonard, Raymond M. Welsh, Leslie J. Berg

WT or Zbtb32-/- P14 splenocytes were transferred into recipients, which were then infected with LCMV-Armstrong. At days 6, 8 and 10 post-infection, P14 cells were isolated and pooled from three mice per genotype for RNA isolation; chromatin was prepared at day 7 post-infection. (a) Eomes and Cd27 mRNA levels were examined by quantitative RT-PCR relative to Actb mRNA. (b) Schematic of Eomes and Cd27 gene loci showing position of specific (Amplicon 1; Amp1) and non-specific (Amplicon 2; Amp2) primers. In each case, Amp1 corresponds to putative ZBTB32 binding site. (c) The enrichment of ZBTB32 on Eomes and Cd27 genes by chromatin immunoprecipitation (ChIP). (d) The enrichment of HDAC1 and HDAC2 on Eomes and Cd27 genes by ChIP. (e) ChIP for Pol II, p300 or modified histone H3 at the Eomes and Cd27 loci. Data are a compilation of three independent experiments; error bars represent the SEM. Iso; isotype control antibody.