Publisher： Spandidos Publications
ISSN： 1792-1074
Source： Oncology Letters, Vol.4, Iss.2, 2012-01, pp. : 279-284
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Abstract
Curcumin is a non-nutritive yellow pigment found in the spice turmeric, which is derived from the rhizome of the plant Curcuma longa Linn. Six cyclohexanone analogues of curcumin (A1-A6) were investigated for their effects on growth and apoptosis in PC-3 human prostate cancer cells. The ability of these compounds to inhibit NF-κB activity in PC-3 cells was also determined. Five out of the six curcumin analogues (A2-A6) had stronger inhibitory effects compared to curcumin on the growth of cultured PC-3 cells. Compounds A2-A6 also had stronger stimulatory effects on apoptosis in PC-3 cells than curcumin, and these curcumin analogues more potently inhibited NF-κB activity than curcumin. The inhibitory effects of these compounds on NF-κB activity correlated with their effects on growth inhibition and apoptosis stimulation in PC-3 cells. The results of the present study provide a rationale for in vivo studies with A2-A6 using suitable animal models of prostate cancer.
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