Abstract:
OBJECTIVES:The purpose of this study is to evaluate the therapeutic efficacy and the role of PD-1/PD-L1 pathway in tongue squamous cell carcinoma (TSCC) patients treated with radical operation combined with chemotherapy and improving cytokine induced killer cells (iCIKs) transfer. METHODS:Thirteen patients who received radical resection and chemotherapy were enrolled in this study. PD-1/PD-L1 expression was evaluated in TSCC patients. ICIKs were cultured from patient-derived peripheral blood mononuclear cells (PBMCs) in vitro. The immunological differences underlying iCIKs transfer were investigated through phenotype, cytokine secretion and PD-1/PD-L1 inhibition analysis. RESULTS:The serum PD-L1 levels were elevated in the TSCC patients. PD-L1 was detected on both human TSCC cells and tumour tissue sections. PD-1 expression was much higher on the PBMCs of TSCC patients than on in vitro cultured iCIKs. Interruption of PD-1/PD-L1 interaction enhanced the cytotoxicity of iCIKs in vitro. CD3 + CD8+ T cell proportion and cytokine IL-6 secretion decreased after chemotherapy. The infusion of iCIKs effectively reversed the immunosuppression through the upregulation of the CD3 + CD8+ T cell proportion and Th cell cytokine secretion (IFN-γ, TNF-α, IL-4 and IL-6). Twelve responders are currently alive (95.7+ months), another patient 83 months. CONCLUSION:Our findings indicated that the PD-1/PD-L1 interaction contributes to the immunosuppression in TSCC patients. ICIKs transfer is an effective therapy to reverse the immunosuppression caused by surgical procedures and chemotherapy and improve immune system function.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Huang X,Zhang J,Li X,Huang H,Liu Y,Yu M,Zhang Y,Wang Hdoi
10.1016/j.intimp.2018.04.011subject
Has Abstractpub_date
2018-06-01 00:00:00pages
127-133eissn
1567-5769issn
1878-1705pii
S1567-5769(18)30155-3journal_volume
59pub_type
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journal_title:International immunopharmacology
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journal_title:International immunopharmacology
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journal_title:International immunopharmacology
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journal_title:International immunopharmacology
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pub_type: 杂志文章
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更新日期:2010-04-01 00:00:00
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journal_title:International immunopharmacology
pub_type: 杂志文章
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更新日期:2013-05-01 00:00:00
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journal_title:International immunopharmacology
pub_type: 杂志文章
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journal_title:International immunopharmacology
pub_type: 杂志文章
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journal_title:International immunopharmacology
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journal_title:International immunopharmacology
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,meta分析,评审
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journal_title:International immunopharmacology
pub_type: 杂志文章
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journal_title:International immunopharmacology
pub_type: 杂志文章
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更新日期:2019-10-01 00:00:00
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pub_type: 杂志文章
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更新日期:2018-11-01 00:00:00
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journal_title:International immunopharmacology
pub_type: 杂志文章
doi:10.1016/j.intimp.2014.08.003
更新日期:2014-11-01 00:00:00