An in vitro study of apoptosis in pancreatic cancer cells by high-intensity nanosecond pulses
This paper reports the unique apoptotic responses of human pancreatic cancer cells (Panc-I) induced by nsPEF systems. In vitro experiments were carried out using laboratory-assembled apparatus, serving the cells with 10-ns and 500-ns high-intensity pulses. Our data suggested that the apoptotic effec...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Conference or Workshop Item |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/14138 |
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| Institution: | Mahidol University |
| Summary: | This paper reports the unique apoptotic responses of human pancreatic cancer cells (Panc-I) induced by nsPEF systems. In vitro experiments were carried out using laboratory-assembled apparatus, serving the cells with 10-ns and 500-ns high-intensity pulses. Our data suggested that the apoptotic effects of nsPEF on Panc-I cells are pulse characteristics dependent. In addition, both long pulse duration and post treatment period are required to initiate the apoptosis demonstrated by a maximal increase in activation of caspases-3/7 activities of 50% (p < 0:05) at 24 h after 500-ns nsPEF treatment. The slow progression rate of apoptosis induced by nsPEF appears to be a unique property of Panc-I cells when compared to other mammalian cells. nsPEF-induced apoptosis in Panc-I cells may involve multiple mechanisms but at least in part due to intrinsic pathway and activation of caspase signaling. |
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