Feprazone

Feprazone (DA2370; Prenazone), an analogue of Phenylbutazone (HY-B0230), is a nonsteroidal anti-inflammatory agent with analgesic and antipyretic activities. Feprazone acts by inhibiting the activity of cyclooxygenase (COX)-2. Feprazone ameliorates free fatty acid (FFA)-induced oxidative stress by reducing the production of mitochondrial reactive oxygen species (ROS). Feprazone can decrease the expression of MMP-2 and MMP-9. Besides, Feprazone can suppress adipogenesis and increase lipolysis in differentiating 3 T3-L1 cells. Feprazone also can be used to research atherosclerosis and obesity^[1][2][3]. IC50 & Target:COX, Reactive oxygen species, MMP^[1] In Vitro:Feprazone (2.5-10 μM; 48 h) rescues cell viability of FFAs-stimulated human aortic endothelial cells (HAECs)^[1].
Feprazone (5, 10 μM; 24 h) reduces ROS production in HAECs to only 2.4- and 1.6-fold at 5 and 10 μM, respectively, while 300 μM FFA increases ROS production by 3.4-fold; also decreases the mRNA expression and secretion of cytokines CCL5, IL-6, and IL-8, as well as MMP-2 and MMP-9^[1].
Feprazone (5, 10 μM; 6 h) decreases TLR4 and MyD88 activities, as well as reduces the phosphorylation of p65 and subsequent activation of NF-κB^[1].
Feprazone (30 and 60 μM; 7 days) suppresses the adipogenesis in differentiating 3 T3-L1 cells; reduced the triglyceride content and increased lipolysis during 3 T3-L1 adipogenesis^[3]. In Vivo:Significantly inhibited the adipocyte size, the visceral adipocyte tissue weights and the average bodyweights in HFD mice^[3].