Feprazone  (Synonyms: DA2370; Prenazone; Zepelin)

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].

COX, Reactive oxygen species, MMP^[1]

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].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Significantly inhibited the adipocyte size, the visceral adipocyte tissue weights and the average bodyweights in HFD mice^[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

320.39

C₂₀H₂₀N₂O₂

30748-29-9

Solid

White to off-white

O=C(N(N(C1=O)C2=CC=CC=C2)C3=CC=CC=C3)C1C/C=C(C)\C

Room temperature in continental US; may vary elsewhere.

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

• [1]. Song M, et al. Feprazone Prevents Free Fatty Acid (FFA)-Induced Endothelial Inflammation by Mitigating the Activation of the TLR4/MyD88/NF-κB Pathway. ACS Omega. 2021 Feb 9;6(7):4850-4856.  [Content Brief]

  [2]. Fletcher MR, et al. Feprazone, a new anti-inflammatory agent. Studies of potency and gastrointestinal tolerance. Ann Rheum Dis. 1975 Apr;34(2):190-4.  [Content Brief]

  [3]. Che L, et al. Feprazone Displays Antiadipogenesis and Antiobesity Capacities in in Vitro 3 T3-L1 Cells and in Vivo Mice. ACS Omega. 2021 Mar 7;6(10):6674-6680.  [Content Brief]