The role of the PAX8/PPARγ fusion oncogene in thyroid cancer

Kimberly A. Placzkowski, Honey V. Reddi, Stefan K.G. Grebe, Norman L. Eberhardt, Bryan McIver

Research output: Contribution to journalReview articlepeer-review

46 Scopus citations


Thyroid cancer is uncommon and exhibits relatively low mortality rates. However, a subset of patients experience inexorable growth, metastatic spread, and mortality. Unfortunately, for these patients, there have been few significant advances in treatment during the last 50 years. While substantial advances have been made in recent years about the molecular genetic events underlying papillary thyroid cancer, the more aggressive follicular thyroid cancer remains poorly understood. The recent discovery of the PAX8/PPAR γ translocation in follicular thyroid carcinoma has promoted progress in the role of PPAR γ as a tumor suppressor and potential therapeutic target. The PAX8/PPAR γ fusion gene appears to be an oncogene. It is most often expressed in follicular carcinomas and exerts a dominant-negative effect on wild-type PPAR γ, and stimulates transcription of PAX8-responsive promoters. PPAR γ agonists have shown promising results in vitro, although very few studies have been conducted to assess the clinical impact of these agents.

Original languageEnglish (US)
Article number672829
JournalPPAR Research
StatePublished - 2008

ASJC Scopus subject areas

  • Drug Discovery
  • Pharmacology (medical)


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