Cited by 174Genomics and Chromatin DynamicsChromatin Remodeling and CancerRetinoids in leukemia and cellular processes

TEL Is a Sequence-specific Transcriptional Repressor

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Lopez, Rodolphe G., Carron, Clémence, Oury, Cécile, Gardellin, Paola, Bernard, Olivier, Ghysdael, Jacques·1999·Journal of Biological Chemistry

Abstract

TEL is a gene frequently involved in specific chromosomal translocations in human leukemia and sarcoma that encodes a member of the ETS family of transcriptional regulators. TEL is unusual among other ETS proteins by its ability to self-associate in vivo, a property that is essential to the oncogenic activation of TEL-derived fusion proteins. We show here that TEL is a sequence-specific transcriptional repressor of ETS-binding site-driven transcription of model and natural promoters. Deletion of the oligomerization domain of TEL or its substitution by the homologous region of monomeric ETS1 impaired the ability of TEL to repress. In contrast, substitution of the oligomerization domain of TEL by unrelated oligomerization domains resulted in an active repressor, showing that the ability of TEL to repress depends on its ability to self-associate. The study of the properties of TEL fusions to the heterologous DNA binding domain of Gal4 identified two autonomous repression domains in TEL, distinct from its oligomerization domain, that are essential to the ability of TEL to repress ETS-binding site-containing promoters. These results have implications for the normal function of TEL, its relation to other ETS proteins, and its role in leukemogenesis.

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  1. Ghysdael, J., and Boureux, A. (1997) in Oncogene as Transcriptional Regula- tors (Yaniv, M., and Ghysdael, J. eds) Vol. 1, pp. 29 -88, Birkhauser Verlag, Basel
  2. Golub, T. R., Barker, G. F., Bohlander, S. K., Hiebert, S. W., Ward, D. C., Bray-Ward, P., Morgan, E., Raimondi, S. C., Rowley, J. D., and Gilliland, D. G. (1995) Proc. Natl. Acad. Sci. U. S. A. 92, 4917-4921
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  4. Carroll, M., Tomasson, M. H., Barker, G. F., Golub, T. R., and Gilliland, D. G. (1996) Proc. Natl. Acad. Sci. U. S. A. 93, 14845-14850
  5. Flemington, E., and Speck, S. H. (1990) Proc. Natl. Acad. Sci. U. S. A. 87, 9459 -9463
  6. Ito, Y., and Bae, S. C. (1997) in Oncogene as Transcriptional Regulators (Yaniv, M., and Ghysdael, J., eds) Vol. 2, pp. 107-132, Birkhauser Verlag, Basel

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Authors
Lopez, R. G., Carron, C., Oury, C., Gardellin, P., Bernard, O., & Ghysdael, J.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Inserm (FR)
Corresponding author
Ghysdael, Jacques
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1999-10
Volume
274
Issue
42
Pages
30132-30138
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2083314849
Cited by
174
References
43
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 6 · 2019: 6 · 2018: 6 · 2017: 8 · 2016: 6 · 2015: 5 · 2014: 2 · 2013: 5 · 2012: 3
FWCI
3.99
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ORBi (University of Liège) (submittedVersion, other-oa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinoids in leukemia and cellular processes
Keywords
TEL, ETS transcription factors, transcriptional repression, Ets binding site, protein self-association, oligomerization domain, leukemia, sarcoma, chromosomal translocation, oncogene activation, GAL4 DNA-binding domain
MeSH terms
ETS Translocation Variant 6 Protein, Animals, Base Sequence, Binding Sites, DNA-Binding Proteins, HeLa Cells, Humans, Promoter Regions, Genetic, Proto-Oncogene Proteins, Repressor Proteins, Transcription Factors, Transcription, Genetic, Trans-Activators, DNA Primers, Proto-Oncogene Proteins c-ets, Proto-Oncogene Protein c-ets-1, Mice, Proto-Oncogene Protein c-fli-1

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