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Sci. STKE, 29 August 2000
Vol. 2000, Issue 47, p. tw3
[DOI: 10.1126/stke.2000.47.tw3]

EDITORS' CHOICE

Cancer Biology Fateful Fusion

Chromosomal translocations that produce oncogenic fusion proteins are common in leukemias and soft-tissue tumors but have rarely been observed in solid tumors (carcinomas), which account for 90% of all cancers. In a study of human thyroid follicular carcinomas, Kroll et al. identified a common translocation that fuses the DNA binding region of the PAX8 transcription factor to peroxisome proliferator protein receptor {gamma}1 (PPAR{gamma}1), a member of the nuclear hormone receptor superfamily. The fusion protein inhibited transcriptional transactivation by PPAR{gamma}1 in a dominant-negative manner. Discovery of this fusion event opens up new possibilities for diagnosis and treatment of thyroid cancer.

Kroll, T.G., Sarraf, P., Pecciarini, L., Chen, C.-J., Mueller, E., Spiegelman, B.M., and Fletcher, J.A. (2000) PAX8-PPAR{gamma}1 fusion in oncogene human thyroid carcinoma. Science 289: 1357-1360. [Abstract] [Full Text]

Citation: Fateful Fusion. Sci. STKE 2000, tw3 (2000).


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