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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Marin-Acevedo, Julian A. Dholaria, Bhagirathbhai Soyano, Aixa E. Knutson, Keith L. Chumsri, Saranya Lou, Yanyan |
| Abstract | Immune checkpoints consist of inhibitory and stimulatory pathways that maintain self-tolerance and assist with immune response. In cancer, immune checkpoint pathways are often activated to inhibit the nascent anti-tumor immune response. Immune checkpoint therapies act by blocking or stimulating these pathways and enhance the body’s immunological activity against tumors. Cytotoxic T lymphocyte-associated molecule-4 (CTLA-4), programmed cell death receptor-1 (PD-1), and programmed cell death ligand-1(PD-L1) are the most widely studied and recognized inhibitory checkpoint pathways. Drugs blocking these pathways are currently utilized for a wide variety of malignancies and have demonstrated durable clinical activities in a subset of cancer patients. This approach is rapidly extending beyond CTLA-4 and PD-1/PD-L1. New inhibitory pathways are under investigation, and drugs blocking LAG-3, TIM-3, TIGIT, VISTA, or B7/H3 are being investigated. Furthermore, agonists of stimulatory checkpoint pathways such as OX40, ICOS, GITR, 4-1BB, CD40, or molecules targeting tumor microenvironment components like IDO or TLR are under investigation. In this article, we have provided a comprehensive review of immune checkpoint pathways involved in cancer immunotherapy, and discuss their mechanisms and the therapeutic interventions currently under investigation in phase I/II clinical trials. We also reviewed the limitations, toxicities, and challenges and outline the possible future research directions. |
| Related Links | https://jhoonline.biomedcentral.com/counter/pdf/10.1186/s13045-018-0582-8.pdf |
| Ending Page | 20 |
| Page Count | 20 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17568722 |
| DOI | 10.1186/s13045-018-0582-8 |
| Journal | Journal of Hematology & Oncology |
| Issue Number | 1 |
| Volume Number | 11 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2018-03-15 |
| Access Restriction | Open |
| Subject Keyword | Oncology Hematology Cancer Research Cancer Immunotherapy Tumor microenvironment Immune evasion Cytotoxic T lymphocytes Immune checkpoint therapy Co-stimulatory pathways Inhibitory pathways |
| Content Type | Text |
| Resource Type | Review |
| Subject | Hematology Cancer Research Oncology Molecular Biology |
| Journal Impact Factor | 29.9/2023 |
| 5-Year Journal Impact Factor | 27.1/2023 |
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