Journal
ONCOTARGETS AND THERAPY
Volume 12, Issue -, Pages 2513-2518Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/OTT.S198421
Keywords
anti-PD-1 antibody; perforin; granzyme B; IFN gamma; osteosarcoma; clinical outcome
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Funding
- Japan Society for the Promotion of Science KAKENHI [16K20045, 18K16652]
- Grants-in-Aid for Scientific Research [16K20045, 18K16652] Funding Source: KAKEN
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Purpose: Although both anti-PD-1 antibody and treatments using anti-PD-L1 antibody are currently in clinical use, their therapeutic effects vary according to cancer type. One of the factors accounting for this variability is the expression level of the immune checkpoint molecule that differs between cancer types; thus, it is important to clarify the relationship between clinical outcomes and immune checkpoint molecules for all types of human cancer. The purpose of this study is to evaluate the clinical outcome of osteosarcoma in relation to PD-L1, PRF, GZMB, and IFN gamma expression. Methods: Using 19 clinical specimens of osteosarcoma, we examined the expression of PD-L1, PRF, GZMB, and IFN. in relation to their clinical outcomes. Results: PD-L1 expression correlated with early metastatic formation in clinical specimens of osteosarcoma, and the group with highly expressed functional markers for T cells such as PRF and GZMB resulted in a long overall survival time. Conclusion: This is the first study to elucidate the clinical outcomes of osteosarcoma in relation to PD-L1, PRF, GZMB, and IFN gamma expression. This study provides valuable information regarding the clinical indication and prediction of effect for anti-PD-1 antibody in osteosarcoma.
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