Snake Venom synergized Cytotoxic Effect of Natural Killer Cells on NCI H358 Human Lung Cancer Cell Growth through Induction of Apoptosis
- Authors
- 오재우; 송호섭
- Issue Date
- 2016
- Publisher
- 대한침구의학회
- Keywords
- Snake Venom; Lung cancer; NCI-H358; NK-92; Death receptor; Nitric Oxide(NO)
- Citation
- Journal of Acupuncture Research, v.33, no.2, pp.1 - 9
- Journal Title
- Journal of Acupuncture Research
- Volume
- 33
- Number
- 2
- Start Page
- 1
- End Page
- 9
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/9399
- ISSN
- 2586-288X
- Abstract
- Objectives : I investigated whether snake venom can synergistically strengthen the cytotoxic effects of NK-92 cells, and enhance the inhibition of the growth of lung cancer cells including NCI-H358 through the induction of death receptor dependent extrinsic apoptosis.
Methods : Snake venom toxin inhibited cell growth of NCI-H358 Cells and exerted non influence on NK-92 cell viability. Moreover, when they were co-cultured with NK cells and concomitantly treated with 4 ㎍/㎖ of snake venom toxin, more influence was exerted on the inhibition of growth of NCI-H358 cells than BV or NK cell co-culture alone.
Results : The expression of Fas, TNFR2 and DR3 and in NCI-H358 lung cancer cells was significantly increased by co-culture of NK-92 cells and treatment of 4 ㎍/㎖ of snake venom toxin, compared to co-culture of NK-92 cells alone. Coincidentally, Bax, caspase-3 and caspase- 8 - expressions of pro-apoptotic proteins in the extrinsic apoptosis pathway, demonstrated significant increase. However, in anti-apoptotic NF-κB activities, activity of the signal molecule was significantly decreased by co-culture of NK-92 cells and treatment of 4 ㎍/㎖ of snake venom toxin, compared to co-culture of NK-92 cells or snake venom toxin treated by NCIH358 alone. Meanwhile, in terms of NO generation, there is a significant increase, in co-culture of NK-92 cells with NCI-H358 cells as well as the co-culture of NK-92 cells and concomitant treatment of 4 ㎍/㎖ of snake venom toxin. However, no synergistic increase of NO generation was shown in co-culture of NK-92 cells and treatment of 4 ㎍/㎖ of snake venom toxin, compared to co-culture of NK-92 cells with NCI-H358 cells.
Conclusion : Consequently, this data provides that snake venom toxin could be useful candidate compounds to suppress lung cancer growth along with the cytotoxic effect of NK-92 cells through extrinsic apoptosis.
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