Abstract
The oncoprotein Qin is a member of the winged helix family of transcriptional regulators. The region C-terminal to its winged helix DNA-binding domain is required for transformation of chicken embryo fibroblasts. We isolated the corepressor TLE1 as a binding partner for Qin in a yeast two-hybrid screen and localized the TLE1-binding region to a 60 amino-acid stretch directly C-terminal of the winged helix domain of Qin. We show in vivo interaction of full-length Qin and TLE1 in a mammalian two-hybrid system. Coexpression of TLE1-binding Qin and TLE1 induces phosphorylation of TLE1. The DNA-binding activity of Qin is not required for this function. Binding of Qin to TLE1 correlates with Qin-induced transformation. Addition of the TLE1-binding motif WRPW to the C-terminus of a transformation-defective Qin deletion mutant restores binding to TLE1 and significantly enhances transformation. Expression of TLE1 in CEF by the retroviral vector RCAS enhances cell growth and induces formation of agar colonies.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 50 print issues and online access
$259.00 per year
only $5.18 per issue
Buy this article
- Purchase on SpringerLink
- Instant access to the full article PDF.
USD 39.95
Prices may be subject to local taxes which are calculated during checkout





Similar content being viewed by others
References
Aoki M . (2002). Personal communication.
Aoki M, Batista O, Bellacosa A, Tsichlis P and Vogt PK . (1998). Proc. Natl. Acad. Sci. USA, 95, 14950–14955.
Aoki M, Schetter C, Himly M, Batista O, Chang HW and Vogt PK . (2000). J. Biol. Chem., 275, 6267–6275.
Artavanis-Tsakonas S, Rand MD and Lake RJ . (1999). Science, 284, 770–776.
Chang HW, Li J and Vogt PK . (1996). Oncogene, 13, 441–444.
Chen G and Courey AJ . (2000). Gene, 249, 1–16.
Chen G, Fernandez J, Mische S and Courey AJ . (1999). Genes Dev., 13, 2218–2230.
Chen G, Nguyen PH and Courey AJ . (1998). Mol. Cell. Biol., 18, 7259–7268.
Choi CY, Kim YH, Kwon HJ and Kim Y . (1999). J. Biol. Chem., 274, 33194–33197.
Dubnicoff T, Valentine SA, Chen G, Shi T, Lengyel JA, Paroush Z and Courey AJ . (1997). Genes Dev, 11, 2952–2957.
Duff RG and Vogt PK . (1969). Virology, 39, 18–30.
Eberhard D, Jimenez G, Heavey B and Busslinger M . (2000). EMBO J, 19, 2292–2303.
Gietz RD, Triggs-Raine B, Robbins A, Graham KC and Woods RA . (1997). Mol. Cell. Biochem., 172, 67–79.
Husain J, Lo R, Grbavec D and Stifani S . (1996). Biochem. J., 317, 523–531.
Imai Y, Kurokawa M, Tanaka K, Friedman AD, Ogawa S, Mitani K, Yazaki Y and Hirai H . (1998). Biochem. Biophys. Res. Commun., 252, 582–589.
Kawai S and Nishizawa M . (1984). Mol. Cell. Biol., 4, 1172–1174.
Levanon D, Goldstein RE, Bernstein Y, Tang H, Goldenberg D, Stifani S, Paroush Z and Groner Y . (1998). Proc. Natl. Acad. Sci. USA, 95, 11590–11595.
Li J, Chang HW, Lai E, Parker EJ and Vogt PK . (1995). Cancer Res., 55, 5540–5544.
Li J, Thurm H, Chang HW, Iacovoni JS and Vogt PK . (1997). Proc. Natl. Acad. Sci. USA, 94, 10885–10888.
Liu Y, Dehni G, Purcell KJ, Sokolow J, Carcangiu ML, Artavanis-Tsakonas S and Stifani S . (1996). Genomics, 31, 58–64.
Ma Y, Geerdes DW and Vogt PK . (2000). Oncogene, 19, 4815–4821.
Midorikawa Y, Tsutsumi S, Taniguchi H, Ishii M, Kobune Y, Kodama T, Makuuchi M and Aburatani H . (2002). Jpn. J. Cancer Res., 93, 636–643.
Minucci S, Maccarana M, Cioce M, De Luca P, Gelmetti V, Segalla S, Di Croce L, Giavara S, Matteucci C, Gobbi A, Bianchini A, Colombo E, Schiavoni I, Badaracco G, Hu X, Lazar MA, Landsberger N, Nervi C and Pelicci PG . (2000). Mol. Cell., 5, 811–820.
Nishizawa M, Fu SL, Kataoka K and Vogt PK . (2002). submitted.
Nuthall HN, Husain J, McLarren KW and Stifani S . (2002). Mol. Cell. Biol., 22, 389–399.
Palaparti A, Baratz A and Stifani S . (1997). J. Biol. Chem., 272, 26604–26610.
Sonderegger CK, Narisawa-Saito M and Vogt PK . (2003). Oncogene, in press.
Stifani S, Blaumueller CM, Redhead NJ, Hill RE and Artavanis-Tsakonas S . (1992). Nat. Genet., 2, 119–127.
Weinmaster G . (1997). Mol. Cell. Neurosci., 9, 91–102.
Yao J, Lai E and Stifani S . (2001). Mol. Cell. Biol., 21, 1962–1972.
Yao J, Liu Y, Husain J, Lo R, Palaparti A, Henderson J and Stifani S . (1998). Dev. Growth Differ., 40, 133–146.
Yao J, Liu Y, Lo R, Tretjakoff I, Peterson A and Stifani S . (2000). Mech. Dev., 93, 105–115.
Zhang J, Hug BA, Huang EY, Chen CW, Gelmetti V, Maccarana M, Minucci S, Pelicci PG and Lazar MA . (2001). Mol. Cell. Biol., 21, 156–163.
Acknowledgements
We thank Martin Sonderegger for technical assistance. This work was supported by United States Public Health Service Grants from the National Cancer Institute. CKS was supported by Schroedinger fellowships J1691-GEN and J1874-GEN from the Austrian Science Foundation FWF Austria. This is manuscript number 14969-MEM at The Scripps Research Institute. We thank S Stifani for a kind gift of TLE1.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Sonderegger, C., Vogt, P. Binding of the corepressor TLE1 to Qin enhances Qin-mediated transformation of chicken embryo fibroblasts. Oncogene 22, 1749–1757 (2003). https://doi.org/10.1038/sj.onc.1206308
Received:
Revised:
Accepted:
Published:
Issue date:
DOI: https://doi.org/10.1038/sj.onc.1206308
Keywords
This article is cited by
-
RETRACTED ARTICLE: TLE3 represses colorectal cancer proliferation by inhibiting MAPK and AKT signaling pathways
Journal of Experimental & Clinical Cancer Research (2016)
-
Constitutively active Rheb induces oncogenic transformation
Oncogene (2008)
-
The neural progenitor-specifying activity of FoxG1 is antagonistically regulated by CKI and FGF
Nature Cell Biology (2007)


