Abstract
Hyperthermia-induced cellular response has been widely investigated for understanding cell physiology in stressful conditions as well as for therapeutic application using heat shock. In this study, the protective effect of mild hyperthermia-induced cellular response was investigated in RKO human colon cell lines, which harbor wild-type p53. Our data showed that the accumulation of p53 protein was induced without DNA damage in response to mild hyperthermia. Interestingly, the sub-lethal of heat shock at 40°C for 30 minutes in RKO cells showed the protective effect against UV mimetic agent 4-nitroquinoline-1- oxide (4NQO) with the decrease in mitotic index, although other papers had shown the induction of apoptosis in RKO cells under the higher dose of heat stress. Thus, we suggest that the protective effect of sub-lethal heat shock might be applicable for a novel preventive approach to clinical applications of mild hyperthermia.
| Original language | English |
|---|---|
| Pages (from-to) | 123-133 |
| Number of pages | 11 |
| Journal | Research Communications in Molecular Pathology and Pharmacology |
| Volume | 115-116 |
| State | Published - 2004 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- 4-Nitroquinoline-1-oxide (4NQO)
- Cellular response
- DNA damage
- Mild hyperthermia
- Mitotic index
- P53 protein
- Protective effect of sub-lethal heat shock
- RKO human cell lines
- Stress
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