Abstract
The protein encoded by the v-Jun oncogene shows increased transforming activity compared to c-Jun, its normal cellular counterpart. One major determinant of this increased transforming activity is an in-frame deletion of a region near the amino-terminus of the protein. This region, referred to as the delta domain, functions as a docking site for Jun N-terminal kinase (JNK), the mitogen-activated protein (MAP) kinase that phosphorylates c-Jun to regulate its transcriptional properties. As a consequence of this deletion, v-Jun is unresponsive to JNK signaling, and it is widely believed that it is the uncoupling of v-Jun from JNK signaling that underlies the oncogenic effects of the delta-domain deletion; however, this idea has never been directly tested. Here we use JNK overexpression as well as alanine scanning mutagenesis to test this idea. Point mutants that are uncoupled from JNK signaling do not show enhanced transforming activity, suggesting that disruption of the JunāJNK interaction is not the mechanism by which the delta-domain deletion enhances transforming activity. Consistent with this idea, we have generated a panel of point mutants that show markedly enhanced transforming activity, despite the fact that they do not perturb the ability of JNK to either dock with or phosphorylate c-Jun in vitro or in vivo. The fact that these mutants cluster in a small region suggests the existence of an additional regulator of Jun function whose activity is disrupted by mutations in this region.
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 full article PDF
Prices may be subject to local taxes which are calculated during checkout








Similar content being viewed by others
References
Adler V, Franklin CC and Kraft AS . (1992). Proc. Natl. Acad. Sci. USA, 89, 5341ā5345.
Akagi T, Shishido T, Murata K and Hanafusa H . (2000). Proc. Natl. Acad. Sci. USA, 97, 7290ā7295.
Baichwal VR and Tjian R . (1990). Cell, 63, 815ā825.
Baichwal VR, Park A and Tjian R . (1992). Genes Dev., 6, 1493ā1502.
Bardwell L, Cook JG, Voora D, Baggott DM, Martinez AR and Thorner J . (1998a). Genes Dev., 12, 2887ā2898.
Bardwell L, Cook JG, Zhu-Shimoni JX, Voora D and Thorner J . (1998b). Proc. Natl. Acad. Sci. USA, 95, 15400ā15405.
Black EJ, Catling AD, Woodgett JR, Kilbey A and Gillespie DA . (1994). Oncogene, 9, 2363ā2368.
Bos TJ, Monteclaro FS, Mitsunobu F, Ball Jr AR, Chang CH, Nishimura T and Vogt PK . (1990). Genes Dev., 4, 1677ā1687.
Castellazzi M, Dangy JP, Mechta F, Hirai S, Yaniv M, Samarut J, Lassailly A and Brun G . (1990). Oncogene, 5, 1541ā1547.
Cavalieri F, Ruscio T, Tinoco R, Benedict S, Davis C and Vogt PK . (1985). Virology, 143, 680ā683.
Claret FX, Hibi M, Dhut S, Toda T and Karin M . (1996). Nature, 383, 453ā457.
Cook JG, Bardwell L and Thorner J . (1997). Nature, 390, 85ā88.
Dai T, Rubie E, Franklin CC, Kraft A, Gillespie DA, Avruch J, Kyriakis JM and Woodgett JR . (1995). Oncogene, 10, 849ā855.
Derijard B, Hibi M, Wu IH, Barrett T, Su B, Deng T, Karin M and Davis RJ . (1994). Cell, 76, 1025ā1037.
Fantz DA, Jacobs D, Glossip D and Kornfeld K . (2001). J. Biol. Chem., 276, 27256ā27265.
Fu S, Bottoli I, Goller M and Vogt PK . (1999). Proc. Natl. Acad. Sci. USA, 96, 5716ā5721.
Gupta S, Barrett T, Whitmarsh AJ, Cavanagh J, Sluss HK, Derijard B and Davis RJ . (1996). EMBO J., 15, 2760ā2770.
Havarstein LS, Morgan IM, Wong WY and Vogt PK . (1992). Proc. Natl. Acad. Sci. USA, 89, 618ā622.
Hibi M, Lin A, Smeal T, Minden A and Karin M . (1993). Genes Dev., 7, 2135ā2148.
Jacobs D, Glossip D, Xing H, Muslin AJ and Kornfeld K . (1999). Genes Dev., 13, 163ā175.
Kallunki T, Deng T, Hibi M and Karin M . (1996). Cell, 87, 929ā939.
Kallunki T, Su B, Tsigelny I, Sluss HK, Derijard B, Moore G, Davis R and Karin M . (1994). Genes Dev., 8, 2996ā3007.
Kilbey A, Black EJ, Unlu M and Gillespie DA . (1996). Oncogene, 12, 2409ā2418.
Madhani HD, Styles CA and Fink GR . (1997). Cell, 91, 673ā684.
Maki Y, Bos TJ, Davis C, Starbuck M and Vogt PK . (1987). Proc. Natl. Acad. Sci. USA, 84, 2848ā2852.
May GH, Allen KE, Clark W, Funk M and Gillespie DA . (1998a). J. Biol. Chem., 273, 33429ā33435.
May GH, Funk M, Black EJ, Clark W, Hussain S, Woodgett JR and Gillespie DA . (1998b). Curr. Biol., 8, 117ā120.
Pearson G, Robinson F, Beers Gibson T, Xu BE, Karandikar M, Berman K and Cobb MH . (2001). Endocrinol. Rev., 22, 153ā183.
Pulverer BJ, Hughes K, Franklin CC, Kraft AS, Leevers SJ and Woodgett JR . (1993). Oncogene, 8, 407ā415.
Pulverer BJ, Kyriakis JM, Avruch J, Nikolakaki E and Woodgett JR . (1991). Nature, 353, 670ā674.
Smeal T, Binetruy B, Mercola DA, Birrer M and Karin M . (1991). Nature, 354, 494ā496.
Smeal T, Binetruy B, Mercola D, Grover-Bardwick A, Heidecker G, Rapp UR and Karin M . (1992). Mol. Cell. Biol., 12, 3507ā3513.
Ui M, Sonobe MH, Ito T, Murakami M, Okazaki S, Takada M, Sato T and Iba H . (1998). FEBS Lett., 429, 289ā294.
Vogt PK . (2001). Oncogene, 20, 2365ā2377.
Yang SH, Galanis A and Sharrocks AD . (1999). Mol. Cell. Biol., 19, 4028ā4038.
Yang SH, Whitmarsh AJ, Davis RJ and Sharrocks AD . (1998). EMBO J., 17, 1740ā1749.
Acknowledgements
We thank Bruce Carter for his helpful suggestions. We thank T Akagi and PK Vogt for providing molecular clones. AS was supported by NIH training Grant T32CA009582. This work was supported by NIH Grant CA64118 (RW).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Sprowles, A., Wisdom, R. Oncogenic effect of delta deletion in v-Jun does not result from uncoupling Jun from JNK signaling. Oncogene 22, 498ā506 (2003). https://doi.org/10.1038/sj.onc.1206165
Received:
Revised:
Accepted:
Published:
Issue date:
DOI: https://doi.org/10.1038/sj.onc.1206165
Keywords
This article is cited by
-
RAS and TGF-β exert antagonistic effects on extracellular matrix gene expression and fibroblast transformation
Oncogene (2005)
-
AP-1: a double-edged sword in tumorigenesis
Nature Reviews Cancer (2003)