Correlation between cell survival, micronuclei-induction, and LDH activity in V79 cells treated with teniposide (VM-26) before exposure to different doses of γ radiation

Satish Kumar Adiga, Ganesh Chandra Jagetia

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Abstract

The influence of teniposide (VM-26) treatment was studied on the radiation-induced alterations in cell survival, micronuclei (MN) formation and lactate dehydrogenase (LDH) release in V79 cells. Treatment of V79 cells with 10 nM teniposide before exposure to different doses of γ radiation resulted in a significant decline in the cell survival when compared with the PBS + irradiation group. The decline in cell survival was dose related. The cell proliferation indices also declined in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups. The decline was higher in the VM-26 + irradiaion group in comparison with the PBS + irradiation group. In contrast, the frequency of micronuclei increased in a dose-related manner in both PBS + irradiation and VM-26 + irradiation groups. However, the frequency of micronuclei was significantly greater in the latter group when compared with the former group at all the post-irradiation time periods studied. The LDH contents increased in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups at all the post-irradiation time periods evaluated. This elevation in LDH contents was significantly greater in the VM-26 + irradiation group in comparison with the PBS + irradiation group.

Original languageEnglish
Pages (from-to)31-41
Number of pages11
JournalToxicology Letters
Volume109
Issue number1-2
DOIs
Publication statusPublished - 20-09-1999

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Teniposide
L-Lactate Dehydrogenase
Dosimetry
Cell Survival
Cells
Irradiation
Radiation
Cell Proliferation
Cell proliferation

All Science Journal Classification (ASJC) codes

  • Toxicology

Cite this

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title = "Correlation between cell survival, micronuclei-induction, and LDH activity in V79 cells treated with teniposide (VM-26) before exposure to different doses of γ radiation",
abstract = "The influence of teniposide (VM-26) treatment was studied on the radiation-induced alterations in cell survival, micronuclei (MN) formation and lactate dehydrogenase (LDH) release in V79 cells. Treatment of V79 cells with 10 nM teniposide before exposure to different doses of γ radiation resulted in a significant decline in the cell survival when compared with the PBS + irradiation group. The decline in cell survival was dose related. The cell proliferation indices also declined in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups. The decline was higher in the VM-26 + irradiaion group in comparison with the PBS + irradiation group. In contrast, the frequency of micronuclei increased in a dose-related manner in both PBS + irradiation and VM-26 + irradiation groups. However, the frequency of micronuclei was significantly greater in the latter group when compared with the former group at all the post-irradiation time periods studied. The LDH contents increased in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups at all the post-irradiation time periods evaluated. This elevation in LDH contents was significantly greater in the VM-26 + irradiation group in comparison with the PBS + irradiation group.",
author = "Adiga, {Satish Kumar} and Jagetia, {Ganesh Chandra}",
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N2 - The influence of teniposide (VM-26) treatment was studied on the radiation-induced alterations in cell survival, micronuclei (MN) formation and lactate dehydrogenase (LDH) release in V79 cells. Treatment of V79 cells with 10 nM teniposide before exposure to different doses of γ radiation resulted in a significant decline in the cell survival when compared with the PBS + irradiation group. The decline in cell survival was dose related. The cell proliferation indices also declined in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups. The decline was higher in the VM-26 + irradiaion group in comparison with the PBS + irradiation group. In contrast, the frequency of micronuclei increased in a dose-related manner in both PBS + irradiation and VM-26 + irradiation groups. However, the frequency of micronuclei was significantly greater in the latter group when compared with the former group at all the post-irradiation time periods studied. The LDH contents increased in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups at all the post-irradiation time periods evaluated. This elevation in LDH contents was significantly greater in the VM-26 + irradiation group in comparison with the PBS + irradiation group.

AB - The influence of teniposide (VM-26) treatment was studied on the radiation-induced alterations in cell survival, micronuclei (MN) formation and lactate dehydrogenase (LDH) release in V79 cells. Treatment of V79 cells with 10 nM teniposide before exposure to different doses of γ radiation resulted in a significant decline in the cell survival when compared with the PBS + irradiation group. The decline in cell survival was dose related. The cell proliferation indices also declined in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups. The decline was higher in the VM-26 + irradiaion group in comparison with the PBS + irradiation group. In contrast, the frequency of micronuclei increased in a dose-related manner in both PBS + irradiation and VM-26 + irradiation groups. However, the frequency of micronuclei was significantly greater in the latter group when compared with the former group at all the post-irradiation time periods studied. The LDH contents increased in a dose-dependent manner in both PBS + irradiation and VM-26 + irradiation groups at all the post-irradiation time periods evaluated. This elevation in LDH contents was significantly greater in the VM-26 + irradiation group in comparison with the PBS + irradiation group.

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