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Archives of biochemistry and biophysics • 2002 | View Paper
“Intracellular ROS was completely restored by adding Cu2+ , which can bind and modify the curcumin 's physico-chemical property, and this resulted in a marked potentiation of its anti-proliferative effect.”
“Low dosage of curcumin depressed oxidative stress levels exacerbated by Cu(II).”
“These results suggest that curcumin , in a concentration-dependent manner, plays both anti-oxidative and pro-oxidative roles in primary neurons treated with Cu(II).”
“When Cu(II) was presented in primary neurons, curcumin at high dosage resulted in chromosomal aberration and cell damage.”
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association • 2011 | View Paper
“ Curcumin was found to be the most effective in the DNA cleavage reaction and a reducer of Cu(II ) followed by dmC and bdmC. The rate of formation of hydroxyl radicals by the three curcuminoids also showed a similar pattern.”
“We have earlier shown that curcumin in the presence of Cu(II) causes strand cleavage in DNA through generation of reactive oxygen species, particularly the hydroxyl radical.”
“The ESA kinetics of the Cu(II)-curcumin complexes exhibit a sharp rise and a fast decay with a time constant of approximately 1 ps in both media due to the strong interaction between Cu(II) and curcumin.”
“The Cu(II) ion exhibits a high efficiency in quenching the fluorescence of curcumin.”