Prooxidant activity of curcumin: copper-dependent formation of 8-hydroxy-2'-deoxyguanosine in DNA and induction of apoptotic cell death.
@article{Yoshino2004ProoxidantAO, title={Prooxidant activity of curcumin: copper-dependent formation of 8-hydroxy-2'-deoxyguanosine in DNA and induction of apoptotic cell death.}, author={Masataka Yoshino and Miyako Haneda and Makoto Naruse and Hla Hla Htay and Ryoko Tsubouchi and Shanshan Qiao and Wei Hua Li and Keiko Murakami and Takashi. Yokochi}, journal={Toxicology in vitro : an international journal published in association with BIBRA}, year={2004}, volume={18 6}, pages={ 783-9 } }
132 Citations
Prooxidant DNA breakage induced by caffeic acid in human peripheral lymphocytes: involvement of endogenous copper and a putative mechanism for anticancer properties.
- BiologyToxicology and applied pharmacology
- 2007
Effects of water-soluble antioxidants and MAPKK/MEK inhibitor on curcumin-induced apoptosis in HL-60 human leukemic cells.
- BiologyAsian Pacific journal of cancer prevention : APJCP
- 2005
The aims of the study were to identify the mechanism of apoptosis of HL-60 human promyelocytic leukemic cells induced by curcumin and to determine the effects of water-soluble antioxidants, ascorbic acid, Trolox, and N-acetylcysteine on this process.
Prooxidant action of knipholone anthrone: copper dependent reactive oxygen species generation and DNA damage.
- Biology, ChemistryFood and chemical toxicology : an international journal published for the British Industrial Biological Research Association
- 2009
Hydroxycinnamic acids as DNA-cleaving agents in the presence of Cu(II) ions: mechanism, structure-activity relationship, and biological implications.
- Chemistry, BiologyChemistry
- 2009
It is proposed that it is the CaA phenolate anion that chelates with the Cu(II) ion as a bidentate ligand, hence facilitating the intramolecular electron transfer to form the corresponding CaA semiquinone radical intermediate.
Concentration dependent antioxidant/pro-oxidant activity of curcumin studies from AAPH induced hemolysis of RBCs.
- BiologyChemico-biological interactions
- 2008
CURCUMIN AND APOPTOSIS: RELATED TO OXIDATIVE STRESS, CARCINOGENESIS AND PROTEASOME INHIBITION
- Biology, Chemistry
- 2006
In HL-60 cells, inhibition of proteasome mediated proteolysis by specific proteasomal inhibitors, such as curcumin, leads to induction of apoptosis, whereas, lactacystin prolongs survival of nerve growth factor-deprived neuronal apoptosis.
Hexamethoxylated Monocarbonyl Analogues of Curcumin Cause G2/M Cell Cycle Arrest in NCI-H460 Cells via Michael Acceptor-Dependent Redox Intervention.
- Biology, ChemistryJournal of agricultural and food chemistry
- 2015
In this study, compounds 1 and 2 were identified as the G2/M cell cycle arrest agents to mediate the cytotoxicity toward NCI-H460 cells via Michael acceptor-dependent redox intervention and provided useful information for understanding the action mechanisms of curcumin and its active analogues.
The anthocyanidin delphinidin mobilizes endogenous copper ions from human lymphocytes leading to oxidative degradation of cellular DNA.
- BiologyToxicology
- 2008
DNA damage in mouse lymphocytes exposed to curcumin and copper
- BiologyJournal of Applied Genetics
- 2010
The results show that 50 μM curcumin in the presence of 100–200 μM copper induced DNA damage in murine lymphocytes, andCurcumin alone was capable of inducing DNA strand breaks under the tested conditions.
Curcumin-induced GADD153 gene up-regulation in human colon cancer cells.
- BiologyCarcinogenesis
- 2004
It is suggested that curcumin-induced up-regulation of GADD153 mRNA expression was at the level of transcription, but apparently without depending on upstream MAPK, in determining the involvement of reactive oxygen species in mediating the effect ofCurcumin on Gadd153.
References
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Treatment of calf thymus DNA with these flavonoids or ascorbate plus copper produced 8-hydroxy-2'-deoxyguanosine and Mutagenic and carcinogenic action of flavonoid may be explained by the prooxidant effects of the compounds.
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Curcumin and eugenol prevented the oxidation of Fe2+ in Fentons reaction which generates.OH radicals and inhibited the generation of hydroxyl radicals.
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The effects of topical administration of curcumin on the formation of benzo[a]pyrene (B[a]P)-DNA adducts and the tumorigenic activities of B[a]P and 7,12-dimethylbenz[a]anthracene (DMBA) in epidermis…