PPARs: A Double-Edged Sword in Cancer Therapy? PPARs Mediate Lipid Signaling in Inflammation and Cancer https://www.hindawi.com/journals/ppar/2008/134059/ PPARs Mediate Lipid Signaling in Inflammation and Cancer Lipid mediators can trigger physiological responses by activating nuclear hormone receptors, such as the peroxisome proliferator-activated receptors (PPARs). PPARs, in turn, control the ..