Review Article

Novel Investigations of Flavonoids as Chemopreventive Agents for Hepatocellular Carcinoma

Table 4

Genistein 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

Isoflavones Genistein Dyer’s broom (Genista tinctoria) In vitro
HepG2 cells  
1.0 and 10 M
Regulation of MDR proteins, ↑ P-gp, and ↑ MRP2 protein; nutrient-drug interactions, ↑ chemoresistance to sorafenib Rigalli et al. (2015) [31]

In vitro/in vivo
HepG2 cells/nude mice  
3, 6, and 9 M/50 mg/kg BW
↑ E-cadherin, ↑ -catenin, ↓ N-cadherin, and Vimentin  
↓ intrahepatic metastasis by ↓ EMT, which was correlated with ↓ NFAT1
Dai et al. (2015) [22]

In vitro
HepG2, Huh-7, and HA22T3  
dose dependent 20 μM
↓ NF-B, ↓ AP-1 ↓ MAPK, IB, and ↓ PI3K/Akt, ↓ MMP-9, and ↓ EGFRWang et al. (2014) [98]

In vitro/in vivo
HCCLM3 cells/nude mice bearing human HCC xenografts  
40 mol/L/2 mg/kg/day for 4 weeks
Synergistic effect with geneistin via ↓ cisplatin-induced MMP-2 expressionChen et al. (2013) [37]

In vitro/in vivo
HepG2 and Hep3B/nude mice  
15 M and 20 M/50 mg/kg
↑ ATO suppressive effect via ↓ NF-B pathway, ↓ cyclin D1, ↓ Bcl-xL, ↓ Bcl-2, ↓ c-myc, ↓ COX-2, and ↓ VEGFMa et al. (2011) [99]

In vitro
SK-Hep-1 cells  
0–50 M
↑ apoptosis ↑ Fas, ↑ FasL, and ↑ p53; ↑ Bcl-2, ↑ caspase-9 and ↑ caspase-3, and ↑ PARP cleavageFang et al. (2010) [100]

In vitro/in vivo
HepG2, SK-Hep-1, and Hep3B/HepG2 xenografts in BALB/c nude mice  
15 M, 15 M, and 20 M/50 mg/kg
Synergistic effect with ATO via ↓ Bcl-2 expression, ↑ Bax expression, ↑ caspase-9 and -3, ↑ cytochrome c, and ↑ ROSJiang et al. (2010) [101]

In vitro
Hep3B cells  
12, 25, and 50 M
↓ p38MAPK and ↑ TRAIL-mediated apoptosis;  
↓ ERK, ↓ MMP, ↑ caspase-3, caspase-8, and caspase-9 activity, ↑ PARP cleavage, and ↓ Bcl-2 protein
Jin et al. (2009) [39]

In vitro
Hep G2 cells  
6.75 M baicalein + 25, 50, and 100 M silymarin
↑ cells in G0/G1 phase, ↓ S-phase  
↑ Rb, ↑ p53, ↑ p21(Cip1) and ↑ p27(Kip1), ↓ cyclin D1, ↓ cyclin E, ↓ CDK4, and ↓ phospho-Rb
Chen et al. (2008) [102]

In vitro/in vivo
MHCC97-H cells/BALB/c nu/nu mice (LCI-D20)  
5, 10, and 20 g/mL/50 mg/kg
↑ G(0)/G(1) cell cycle arrest,  
↓ S phase, and ↑ apoptosis ↓ phosphorylation of FAK
Gu et al. (2009) [78]

In vitro
Hep3B cells  
100 M
↑ ER stress and ↑ mitochondrial insult in Hep3B cells, ↑ m-calpain, ↑ GADD153, ↑ GRP78, and ↑ caspase-12  
↑ caspase-2, ↑ ROS, ↓ Mcl-1
Yeh et al. (2007) [77]

For abbreviations see footer of Table 1.