Publication: Cordycepin sensitizes cholangiocarcinoma cells to be killed by natural killer-92 (Nk-92) cells
Issued Date
2021-10-01
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ISSN
14203049
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2-s2.0-85116545505
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Mahidol University
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SCOPUS
Bibliographic Citation
Molecules. Vol.26, No.19 (2021)
Suggested Citation
Suthida Panwong, Methi Wathikthinnakon, Thida Kaewkod, Nunghathai Sawasdee, Yingmanee Tragoolpua, Pa Thai Yenchitsomanus, Aussara Panya Cordycepin sensitizes cholangiocarcinoma cells to be killed by natural killer-92 (Nk-92) cells. Molecules. Vol.26, No.19 (2021). doi:10.3390/molecules26195973 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/76008
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Title
Cordycepin sensitizes cholangiocarcinoma cells to be killed by natural killer-92 (Nk-92) cells
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Abstract
Immunotherapy harnessing immune functions is a promising strategy for cancer treatment. Tumor sensitization is one approach to enhance tumor cell susceptibility to immune cell cytotoxicity that can be used in combination with immunotherapy to achieve therapeutic efficiency. Cordycepin, a bioactive compound that can be extracted from some Cordyceps spp. has been reported to effectively inhibit tumor growth, however, the mechanism of its tumor sensitization activity that enhances immune cell cytotoxicity is unknown. In the present study, we investigated the potency of cordycepin to sensitize a lethal cancer, cholangiocarcinoma (CCA), to natural killer (NK) cells. Treatment with cordycepin prior to and during co-culturing with NK-92 cells significantly increased cell death of KKU-213A as compared to solitary cordycepin or NK treatment. Moreover, sensitization activity was also observed in the combination of NK-92 cells and Cordyceps militaris extract that contained cordycepin as a major component. The cordycepin treatment remarkably caused an increase in TRAIL receptor (DR4 and DR5) expression in KKU-213A, suggesting the possible involvement of TRAIL signaling in KKU-213A sensitization to NK-92 cells. In conclusion, this is the first report on the sensitization activity of cordycepin on CCA cells to NK cytotoxicity, which supports that cordycepin can be further developed as an alternate immunomodulating agent.