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Cited by 468

The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.

Transcriptional repression by AML1 and LEF-1 is mediated by the TLE/Groucho corepressors

Open access
Levanon, Ditsa, Goldstein, Robert E., Bernstein, Yael, Tang, Hua, Goldenberg, Dalia, Stifani, Stefano, Paroush, Ze’ev, Groner, Yoram·1998·Proceedings of the National Academy of Sciences

Abstract

The mammalian AML/CBFα runt domain (RD) transcription factors regulate hematopoiesis and osteoblast differentiation. Like their Drosophila counterparts, most mammalian RD proteins terminate in a common pentapeptide, VWRPY, which serves to recruit the corepressor Groucho (Gro). Using a yeast two-hybrid assay, in vitro association and pull-down experiments, we demonstrate that Gro and its mammalian homolog TLE1 specifically interact with AML1 and AML2. In addition to the VWRPY motif, other C-terminal sequences are required for these interactions with Gro/TLE1. TLE1 inhibits AML1-dependent transactivation of the T cell receptor (TCR) enhancers α and β, which contain functional AML binding sites, in transfected Jurkat T cells. LEF-1 is an additional transcription factor that mediates transactivation of TCR enhancers. LEF-1 and its Drosophila homolog Pangolin (Pan) are involved in the Wnt/Wg signaling pathway through interactions with the coactivator β-catenin and its highly conserved fly homolog Armadillo (Arm). We show that TLE/Gro interacts with LEF-1 and Pan, and inhibits LEF-1:β-catenin-dependent transcription. These data indicate that, in addition to their activity as transcriptional activators, AML1 and LEF-1 can act, through recruitment of the corepressor TLE1, as transcriptional repressors in TCR regulation and Wnt/Wg signaling.

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Metadata

Authors
Levanon, D., Goldstein, R. E., Bernstein, Y., Tang, H., Goldenberg, D., Stifani, S., Paroush, Z., & Groner, Y.
Venue
Proceedings of the National Academy of Sciences
Published
1998-09-29
Volume
95
Issue
20
Pages
11590-11595
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2081057019
Cited by
468
References
49
FWCI
11.93
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Transcriptional repression by AML1 and LEF-1 is mediated by the TLE/Groucho corepressors. https://app.cochat.ai/papers/10.1073/pnas.95.20.11590
The paper
Levanon, D., Goldstein, R. E., Bernstein, Y., Tang, H., Goldenberg, D., Stifani, S., Paroush, Z., & Groner, Y. (1998). Transcriptional repression by AML1 and LEF-1 is mediated by the TLE/Groucho corepressors. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.95.20.11590

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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