Review Article

Novel Investigations of Flavonoids as Chemopreventive Agents for Hepatocellular Carcinoma

Table 3

Oroxylin A in HCC with possible mechanisms discussed in this paper.

SubfamilyFlavonoids Typical originIn vitro/in vivo
Cell lines/modes  
Effective dose
Effects and related mechanisms Author (year)
References

FlavonesOroxylin AScutellaria baicalensis Georgi In vitro
HepG2  
25–100 M
↑ H2O2-triggered overactivation of the UPR pathway and  
↓ AKT signaling
Xu et al. (2012) [23]

In vitro/in vivo
HepG2 cells/BALB/c nude mice  
80 M/40 mg/kg; 80 mg/kg
↑ autophagy-mediated antitumor activity  
↓ PI3K-PTEN-Akt-mTOR signaling pathway
Zou et al. (2012) [24]

In vitro
HepG2 cells  
50, 100 and 200 M
↓ CAM-DR, ↓ integrin1 Zhu et al. (2012) [80]

In vitro/in vivo
HepG2 cells/transplanted H22 mice  
50 M/1,000 mg (kg/day)
↑ sensitivity of HepG2 cells to 5-FU by ↑ P53 and cleaved PARP; ↓ COX-2, ↓ Bcl-2, and ↓ pro-caspase-3Zhao et al. (2010) [79]

In vitro
HepG2 cells  
50, 100, and 200 M
↑ apoptosis by MAC-related mitochondrial pathwayLiu et al. (2009) [40]

In vitro
HepG2  
50, 100, and 150 M
↑ apoptotic and G(2)/M phase arrest cells  
↑ programmed cell death via ↓ Bcl-2 protein, ↓ pro-caspase-3 protein, and ↑ Bax protein
Hu et al. (2006) [97]

For abbreviations see footer of Table 1.