Abstract
The immune system recognizes and is poised to eliminate cancer but is held in check by inhibitory receptors and ligands. These immune checkpoint pathways, which normally maintain self-tolerance and limit collateral tissue damage during anti-microbial immune responses, can be co-opted by cancer to evade immune destruction. Drugs interrupting immune checkpoints, such as anti-CTLA-4, anti-PD-1, anti-PD-L1, and others in early development, can unleash anti-tumor immunity and mediate durable cancer regressions. The complex biology of immune checkpoint pathways still contains many mysteries, and the full activity spectrum of checkpoint-blocking drugs, used alone or in combination, is currently the subject of intense study.
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Publication Info
- Year
- 2015
- Type
- review
- Volume
- 27
- Issue
- 4
- Pages
- 450-461
- Citations
- 4090
- Access
- Closed
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Identifiers
- DOI
- 10.1016/j.ccell.2015.03.001
- PMID
- 25858804
- PMCID
- PMC4400238