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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kim, Areum Daseul Han, Xia Piao, Mei Jing Hewage, Susara Ruwan Kumara Madduma Hyun, Chang Lim Cho, Suk Ju Hyun, Jin Won |
| Description | Author Affiliation: Kim AD ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea.); Han X ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea.); Piao MJ ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea.); Hewage SR ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea.); Hyun CL ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea.); Cho SJ ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea. Electronic address: sukjucho@gmail.com.); Hyun JW ( School of Medicine, Jeju National University, Jeju 690-756, Republic of Korea. Electronic address: jinwonh@jejunu.ac.kr.) |
| Abstract | The present study investigated the apoptotic effects of esculetin, a coumarin derivative, on the human colon cancer cell line HT-29. Esculetin had cytotoxic effects on HT-29 cells in a dose- and time-dependent manner; treatment with 55 µg/mL esculetin reduced cell viability by 50%. Esculetin induced apoptosis, as evidenced by apoptotic body formation, an increased percentage of cells in sub-G1 phase, and DNA fragmentation. Moreover, esculetin increased mitochondrial membrane depolarization, released cytochrome c into cytosol, and modulated the expression of apoptosis-associated proteins, resulting in reduced expression of B cell lymphoma-2, increased expression of Bcl-2-associated X protein, and activation of caspase-9 and caspase-3. Esculetin induced the formation of reactive oxygen species; however, treatment with an antioxidant reduced the apoptotic cell death induced by esculetin treatment. In addition, esculetin activated mitogen-activated protein kinases and specific inhibitors of these kinases abrogated the reduction in cell viability induced by esculetin treatment. |
| File Format | HTM / HTML |
| ISSN | 13826689 |
| Issue Number | 2 |
| Volume Number | 39 |
| e-ISSN | 18727077 |
| Journal | Environmental Toxicology and Pharmacology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-03-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Discipline Pharmacology Antineoplastic Agents Pharmacology Colonic Neoplasms Metabolism Reactive Oxygen Species Umbelliferones Apoptosis Drug Effects Caspase 3 Caspase 9 Dna Fragmentation Ht29 Cells Humans Membrane Potential, Mitochondrial Mitochondria Mitogen-activated Protein Kinases Proto-oncogene Proteins C-bcl-2 Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Medicine Toxicology Pharmacology |
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