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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Ong, Ping-Lin Weng, Bor-Chun Lu, Fung-Jou Lin, Miao-Ling Chang, Ting-Ting Hung, Ray-Ping Chen, Ching-Hsein |
| Description | Country affiliation: Taiwan Author Affiliation: Ong PL ( Department of Biochemical Science and Technology, College of Life Sciences, National Chiayi University, Chiayi, Taiwan.) |
| Abstract | Bidens alba has been used for healing cuts, injuries, swellings, hypertension, jaundice, and diabetes in some countries. However, the effect of B. alba on human cancer remains poorly understood. The goal of this study was to investigate whether B. alba protein-extract could have an anticancer property against human colorectal cancer. The human colorectal cancer SW 480 cells treated with the protein-extract of B. alba would cause marked DNA damages and apoptosis-related cellular morphologies. Treatment with 225 microg/ml B. alba protein-extract also led to the SW480 cells to produce readily intracellular reactive oxygen species (ROS) after 1h of treatment and last to 24 h. The intracellular glutathione (GSH) depletion occurred after 12-24h of treatment. The treatment of the protein-extract would also caused mitochondrial transmembrane potential (DeltaPsi(m)) to decrease and cytosolic cytochrome c to increase. The caspase 3/7 activities were activated from 3 to 6 h after the treatment. The percentages of apoptosis induced by the protein-extract of B. alba decreased 26.4%, 10.1%, and 29.4% when the SW 480 cells were pretreated with Vitamin C, N-acetylcysteine, and Boc-Asp(OMe)-fmk, respectively. Taken together, we demonstrated for the first time that the protein-extract of B. alba could induce apoptosis that was related to the ROS production and GSH depletion in human colorectal cancer. The protein-extract of B. alba might have therapeutic value against the human colorectal cancer. |
| File Format | HTM / HTML |
| ISSN | 02786915 |
| Issue Number | 5 |
| Volume Number | 46 |
| e-ISSN | 18736351 |
| Journal | Food and Chemical Toxicology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Toxicology__semicolon__nutritional Discipline Sciences Antineoplastic Agents, Phytogenic Pharmacology Apoptosis Drug Effects Bidens Chemistry Colorectal Neoplasms Drug Therapy Glutathione Physiology Reactive Oxygen Species Metabolism Caspases Cell Count Cell Cycle Cell Line, Tumor Cell Survival Pathology Cytochromes c Cytosol Enzymology Flow Cytometry Humans In Situ Nick-end Labeling Indicators And Reagents Mitochondria Plant Extracts Plant Proteins Superoxide Dismutase Tetrazolium Salts Thiazoles Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Toxicology Food Science |
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