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Flavipin is an aryl hydrocarbon receptor (Ahr) agonist that induces the expression of Ahr downstream genes in mouse CD4+ T cells and CD11b+ macrophages. Flavipin inhibits the stabilizing function of Arid5a on Il23a 3′UTR, a newly identified target mRNA[1]. Flavipin exhibits the DPPH free radical scavenging ability with IC50 value of 7.2 μM, and has potent α-glucosidase inhibition with IC50 value of 33.8 μM[2].

[1] "Alzahrani A, et al. Differential modulation of Ahr and Arid5a: A promising therapeutic strategy for autoimmune encephalomyelitis. Saudi Pharm J. 2020;28(12):1605-1615. "
[2] Li H, et al. Polyketides from two Chaetomium species and their biological functions. J Antibiot (Tokyo). 2018;71(7):677-681. DOI:10.1038/s41429-018-0047-x