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. 1997 Feb 13;231(2):509-13.
doi: 10.1006/bbrc.1997.6132.

DJ-1, a novel oncogene which transforms mouse NIH3T3 cells in cooperation with ras

D Nagakubo  1 , T Taira, H Kitaura, M Ikeda, K Tamai, S M Iguchi-Ariga, H Ariga
Affiliations

DJ-1, a novel oncogene which transforms mouse NIH3T3 cells in cooperation with ras

D Nagakubo et al. Biochem Biophys Res Commun. .

Abstract

We have isolated and characterized the cDNA encoding a novel protein designated DJ-1. DJ-1, sharing no significant homology with the sequences so far reported, did not show transactivation activity in the Gal4 recombinant system, but transformed mouse NIH3T3 cells by itself. Furthermore, DJ-1 showed a cooperative transforming activity with H-Ras, more than 3 times as strong as the activity of ras/myc combination. DJ-1 was ubiquitously expressed in various human tissues, and the expression was induced by growth stimuli. Moreover, DJ-1 translocated from cytoplasm to nuclei in the S phase of the cell cycle. DJ-1 is thus suggested to be a novel mitogen-dependent oncogene product involved in a Ras-related signal transduction pathway.

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