Bavachalcone (Broussochalcone B) (Synonyms: Broussochalcone B)

Bavachalcone is a major bioactive compounds isolated from Psoralea corylifolia L.; has been widely used as traditional Chinese medicine; antibiotic or anticancer agent.IC50 value:Target:Bavachalcone inhibited osteoclast formation from precursor cells with the IC(50) of approximately 1.5 microg ml(-1). The activation of MEK, ERK, and Akt by receptor activator of nuclear factor kappaB ligand (RANKL), the osteoclast differentiation factor, was prominently reduced in the presence of bavachalcone. The induction of c-Fos and NFATc1, key transcription factors for osteoclastogenesis, by RANKL was also suppressed by bavachalcone [1]. Bavachalcone exhibited a significant inhibitory effect on baculovirus-expressed BACE-1 in vitro [2]. Bavachalcone had stronger inhibition on UGT1A1 and UGT1A7 than corylin which did not inhibit UGT1A1, UGT1A3, UGT1A7, UGT1A8, UGT1A10, and UGT2B4. Data fitting using Dixon and Lineweaver-Burk plots demonstrated the noncompetitive inhibition of bavachalcone against UGT1A1 and UGT1A7-mediated 4-MU glucuronidation reaction. The values of inhibition kinetic parameters (Ki) were 5.41 μ M and 4.51μ M for UGT1A1 and UGT1A7, respectively [3].

[1]. Park CK, et al. Bavachalcone inhibits osteoclast differentiation through suppression of NFATc1 induction by RANKL. Biochem Pharmacol. 2008 Jun 1;75(11):2175-82. [2]. Choi YH, et al. In vitro BACE-1 inhibitory phenolic components from the seeds of Psoralea corylifolia. Planta Med. 2008 Sep;74(11):1405-8. [3]. Shan L, et al. Comparison of the Inhibitory Potential of Bavachalcone and Corylin against UDP-Glucuronosyltransferases. Evid Based Complement Alternat Med. 2014;2014:958937.