Author(s): Sheng X, Zhang Y, Gong Z, Huang C, Zang YQ
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Abstract Peroxisome proliferator-activated receptors (PPARs) are transcriptional factors involved in the regulation of insulin resistance and adipogenesis. Cinnamon, a widely used spice in food preparation and traditional antidiabetic remedy, is found to activate PPARgamma and alpha, resulting in improved insulin resistance, reduced fasted glucose, FFA, LDL-c, and AST levels in high-caloric diet-induced obesity (DIO) and db/db mice in its water extract form. In vitro studies demonstrate that cinnamon increases the expression of peroxisome proliferator-activated receptors gamma and alpha (PPARgamma/alpha) and their target genes such as LPL, CD36, GLUT4, and ACO in 3T3-L1 adipocyte. The transactivities of both full length and ligand-binding domain (LBD) of PPARgamma and PPARalpha are activated by cinnamon as evidenced by reporter gene assays. These data suggest that cinnamon in its water extract form can act as a dual activator of PPARgamma and alpha, and may be an alternative to PPARgamma activator in managing obesity-related diabetes and hyperlipidemia.
This article was published in PPAR Res
and referenced in Journal of Addiction Research & Therapy