Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: (2E)-1-(2-hydroxy-4,6-dimethoxyphenyl)-3-phenyl-2-propen-1-one
Purity: ≥98%
Formula Markup: C17H16O4
Formula Weight: 284.3
CAS Number: 1775-97-9
Notes: Flavokawain B is a natural chalcone first isolated from extracts of kava roots. It induces apoptosis in androgen receptor-negative, hormone-refractory prostate cancer cell lines (IC50s = 32, 48, 6.2, and 3.9 µM for LAPC4, LNCaP, PC-3, and DU145 cells, respectively, treated for 48 hours), with increased expression of the proapoptotic protein Bim.{31388} Flavokawain B increases Bim expression and inhibits growth of DU145 xenografts in mice.{31388} It also increases Bim expression, promotes apoptosis, and induces cell cycle arrest in uterine leiomyosarcoma cells.{31387} However, flavokawain B is hepatotoxic, triggering oxidative stress, inhibiting NF-κB signaling, and activating MAPK pathways, culminating in HepG2 and L-02 cell death (LD50s = 15 and 32 µM, respectively).{31389}
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