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abstract
Highlights
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- Ovarian cancer is one of the most common malignant tumors in women.
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- The emerging immunotherapy represents a rational approach for cancer treatment.
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- Immunotherapy may play a significant role in clinical management of ovarian cancer.
Surgery,
radiotherapy and chemotherapy are the mainstay of malignant cancer
treatments. However, with the development of immunology, the emerging
immunotherapy represents a rational and alternative approach for the
treatment of human cancer, including ovarian cancer (OC). Based on a
body of evidence and the clinical success of immunotherapy in many
malignancies, it is confirmed that blocking the programmed death 1
(PD-1) and its ligands in OC is feasible and valid both in animal models
and patients. Immunotherapy may play a significant role in the future
clinical management and improve the prognosis of OC. This review will
focus on the biological functions, treatment response, toxicity and
viable target of PD-1 and its ligands in OC. Recognition of the multiple
functions of PD-1 and its ligands in ovarian cancer will serve to
deepen our understanding of the nature of OC, develop novel
immunotherapy approaches and discover possible diagnostic and prognostic
biomarkers in future clinical decisions.
Abbreviations
- aa, amino acid;
- Bcl-2, B-cell leukemia 2;
- CTLA-4, cytotoxic T-lymphocyte antigen 4;
- DC, dendritic cell;
- EMA, Europe Medicine Agency;
- FDA, Food and Drug Administration;
- GITR, glucocorticoid-induced TNFR related protein;
- Ig, immunoglobulin;
- ITIM, immunoreceptor tyrosine-based inhibitory motif;
- ITSM, immunoreceptor tyrosine-based switch motif;
- mAb, monoclonal antibodies;
- NK, natural killer;
- NSCLC, non-small cell lung cancer;
- OC, ovarian cancer;
- ORR, overall response rate;
- PFS, progression-free survival;
- PLDH, pegylated liposomal doxorubicin hydrochloride;
- TIL, tumor-infiltrating lymphocyte
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