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Targeting the HTLV-I-Regulated BATF3/IRF4 Transcriptional Network in Adult T Cell Leukemia/Lymphoma.

Cancer cell | 2018

Adult T cell leukemia/lymphoma (ATLL) is a frequently incurable disease associated with the human lymphotropic virus type I (HTLV-I). RNAi screening of ATLL lines revealed that their proliferation depends on BATF3 and IRF4, which cooperatively drive ATLL-specific gene expression. HBZ, the only HTLV-I encoded transcription factor that is expressed in all ATLL cases, binds to an ATLL-specific BATF3 super-enhancer and thereby regulates the expression of BATF3 and its downstream targets, including MYC. Inhibitors of bromodomain-and-extra-terminal-domain (BET) chromatin proteins collapsed the transcriptional network directed by HBZ and BATF3, and were consequently toxic for ATLL cell lines, patient samples, and xenografts. Our study demonstrates that the HTLV-I oncogenic retrovirus exploits a regulatory module that can be attacked therapeutically with BET inhibitors.

Pubmed ID: 30057145 RIS Download

Associated grants

  • Agency: Intramural NIH HHS, United States
    Id: Z01 BC011006
  • Agency: Intramural NIH HHS, United States
    Id: ZIA BC011008
  • Agency: Intramural NIH HHS, United States
    Id: ZIA BC011780
  • Agency: Intramural NIH HHS, United States
    Id: ZIA SC004002

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This is a list of tools and resources that we have found mentioned in this publication.


IRF4-human (antibody)

RRID:AB_2127145

This polyclonal targets IRF4

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H3K27ac-human (antibody)

RRID:AB_2118291

This polyclonal targets H3K27ac

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Human BATF3 Affinity Purified Polyclonal Ab (antibody)

RRID:AB_11127798

This unknown targets Human BATF3 Affinity Purified Ab

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BATF (D7C5) Rabbit mAb (antibody)

RRID:AB_11141425

This monoclonal targets BATF

View all literature mentions

c-Myc antibody [Y69] (antibody)

RRID:AB_731658

This monoclonal targets c-Myc antibody [Y69]

View all literature mentions

BATF3 monoclonal antibody (M04), clone 3H1 (antibody)

RRID:AB_10903097

This monoclonal targets BATF3 monoclonal antibody (M04) clone 3H1

View all literature mentions

IRF-4 (N-18) (antibody)

RRID:AB_2127144

This polyclonal targets IRF4

View all literature mentions

GraphPad Prism (software resource)

RRID:SCR_002798

Statistical analysis software that combines scientific graphing, comprehensive curve fitting (nonlinear regression), understandable statistics, and data organization. Designed for biological research applications in pharmacology, physiology, and other biological fields for data analysis, hypothesis testing, and modeling.

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ImageJ (software resource)

RRID:SCR_003070

Open source Java based image processing software program designed for scientific multidimensional images. ImageJ has been transformed to ImageJ2 application to improve data engine to be sufficient to analyze modern datasets.

View all literature mentions

IRF4-human (antibody)

RRID:AB_2127145

This polyclonal targets IRF4

View all literature mentions

IRF4-human (antibody)

RRID:AB_2127145

This polyclonal targets IRF4

View all literature mentions