ReferenceID 226
Apoptosis induction of U937 human leukemia cells by diallyl trisulfide induces through generation of reactive oxygen species
J Biomed Sci
BACKGROUND: Diallyl trisulfide (DATS) is one of the major constituents in garlic oil and has demonstrated various pharmacological activities, including antimicrobial, antihyperlipidemic, antithrombotic, and anticancer e
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- Reference Id
- 226
- Evidence Id
- 16816
- Core Evidence Id
- 16816
- Source Reference Id
- 416
- Herb2 Reference Id
- HBREF000729
- Subject Paper Key
- HBIN015205_22578287
- Pubmed Id
- 22578287
- Doi
- 10.1186/1423-0127-19-50
- Paper Title
- Apoptosis induction of U937 human leukemia cells by diallyl trisulfide induces through generation of reactive oxygen species
- Paper Abstract
- BACKGROUND: Diallyl trisulfide (DATS) is one of the major constituents in garlic oil and has demonstrated various pharmacological activities, including antimicrobial, antihyperlipidemic, antithrombotic, and anticancer effects. However, the mechanisms of antiproliferative activity in leukemia cells are not fully understood. In this study, the apoptotic effects of DATS were investigated in human leukemia cells. RESULTS: Results of this study indicated that treatment with DATS resulted in significantly inhibited leukemia cell growth in a concentration- and time-dependent manner by induction of apoptosis. In U937 cells, DATS-induced apoptosis was correlated with down-regulation of Bcl-2, XIAP, and cIAP-1 protein levels, cleavage of Bid proteins, activation of caspases, and collapse of mitochondrial membrane potential. The data further demonstrated that DATS increased intracellular reactive oxygen species (ROS) generation, which was attenuated by pretreatment with antioxidant N-acetyl-l-cysteine (NAC), a scavenger of ROS. In addition, administration of NAC resulted in significant inhibition of DATS-induced apoptosis by inhibiting activation of caspases. CONCLUSIONS: The present study reveals that the cytotoxicity caused by DATS is mediated by generation of ROS and subsequent activation of the ROS-dependent caspase pathway in U937 leukemia cells.
- Journal
- J Biomed Sci
- Publish Year
- 2012
- Experiment Subject
- Experiment Type
- Cell Experiment
- Phenotype Related
- Leukemia
- Paper Title Cn
- Paper Title En
- Apoptosis induction of U937 human leukemia cells by diallyl trisulfide induces through generation of reactive oxygen species
- Bilingual Status
- semi_complete