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Published on: March 28, 2013
Regulation of Cell Proliferation and Differentiation by PPARbeta/delta
Rolf Müller1, Markus Rieck, Sabine Müller-Brüsselbach
1Institute of Molecular Biology and Tumor Research (IMT), Philipps-University, Emil-Mannkopff-Strasse 2, 35032 Marburg, Germany.
Abstract:
Peroxisome proliferator-activated receptor-beta/delta (PPARbeta/delta) is a ligand-activated transcription factor with essential functions in the regulation of lipid catabolism, glucose homeostasis, and inflammation, which makes it a potentially relevant drug target for the treatment of major human diseases. In addition, there is strong evidence that PPARbeta/delta modulates oncogenic signaling pathways and tumor growth. Consistent with these observations, numerous reports have clearly documented a role for PPARbeta/delta in cell cycle control, differentiation, and apoptosis. However, the precise role of PPARbeta/delta in tumorigenesis and cell proliferation remains controversial. This review summarizes our current knowledge and proposes a model corroborating the discrepant data in this area of research.
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