![Small molecule inhibitors against PD-1/PD-L1 immune checkpoints and current methodologies for their development: a review | Cancer Cell International | Full Text Small molecule inhibitors against PD-1/PD-L1 immune checkpoints and current methodologies for their development: a review | Cancer Cell International | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12935-021-01946-4/MediaObjects/12935_2021_1946_Fig1_HTML.png)
Small molecule inhibitors against PD-1/PD-L1 immune checkpoints and current methodologies for their development: a review | Cancer Cell International | Full Text
![Frontiers | Looking for the Optimal PD-1/PD-L1 Inhibitor in Cancer Treatment: A Comparison in Basic Structure, Function, and Clinical Practice | Immunology Frontiers | Looking for the Optimal PD-1/PD-L1 Inhibitor in Cancer Treatment: A Comparison in Basic Structure, Function, and Clinical Practice | Immunology](https://www.frontiersin.org/files/Articles/538967/fimmu-11-01088-HTML/image_m/fimmu-11-01088-g001.jpg)
Frontiers | Looking for the Optimal PD-1/PD-L1 Inhibitor in Cancer Treatment: A Comparison in Basic Structure, Function, and Clinical Practice | Immunology
![Mechanism of action of PD-1 and PD-L1 inhibitors. Tumor cells develop... | Download Scientific Diagram Mechanism of action of PD-1 and PD-L1 inhibitors. Tumor cells develop... | Download Scientific Diagram](https://www.researchgate.net/publication/321452643/figure/fig2/AS:683249038811137@1539910673581/Mechanism-of-action-of-PD-1-and-PD-L1-inhibitors-Tumor-cells-develop-PD-L1-to-bind-with_Q640.jpg)
Mechanism of action of PD-1 and PD-L1 inhibitors. Tumor cells develop... | Download Scientific Diagram
![Mechanism of action of PD-1 and PD-L1 inhibitors. The programmed cell... | Download Scientific Diagram Mechanism of action of PD-1 and PD-L1 inhibitors. The programmed cell... | Download Scientific Diagram](https://www.researchgate.net/publication/322664614/figure/fig2/AS:631611628453915@1527599355219/Mechanism-of-action-of-PD-1-and-PD-L1-inhibitors-The-programmed-cell-death-1-PD-1.png)
Mechanism of action of PD-1 and PD-L1 inhibitors. The programmed cell... | Download Scientific Diagram
![Engineering Chimeric Antigen Receptor T Cells against Immune Checkpoint Inhibitors PD-1/PD-L1 for Treating Pancreatic Cancer: Molecular Therapy - Oncolytics Engineering Chimeric Antigen Receptor T Cells against Immune Checkpoint Inhibitors PD-1/PD-L1 for Treating Pancreatic Cancer: Molecular Therapy - Oncolytics](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/e9ad6c3b-3c55-46a7-ace6-ba1ca1e4be93/fx1_lrg.jpg)
Engineering Chimeric Antigen Receptor T Cells against Immune Checkpoint Inhibitors PD-1/PD-L1 for Treating Pancreatic Cancer: Molecular Therapy - Oncolytics
![Recent advance of peptide-based molecules and nonpeptidic small-molecules modulating PD-1/PD-L1 protein-protein interaction or targeting PD-L1 protein degradation - ScienceDirect Recent advance of peptide-based molecules and nonpeptidic small-molecules modulating PD-1/PD-L1 protein-protein interaction or targeting PD-L1 protein degradation - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0223523421000192-fx1.jpg)
Recent advance of peptide-based molecules and nonpeptidic small-molecules modulating PD-1/PD-L1 protein-protein interaction or targeting PD-L1 protein degradation - ScienceDirect
![A combination of PD‑1/PD‑L1 inhibitors: The prospect of overcoming the weakness of tumor immunotherapy (Review) A combination of PD‑1/PD‑L1 inhibitors: The prospect of overcoming the weakness of tumor immunotherapy (Review)](https://www.spandidos-publications.com/article_images/mmr/23/5/mmr-23-05-12001-g00.jpg)
A combination of PD‑1/PD‑L1 inhibitors: The prospect of overcoming the weakness of tumor immunotherapy (Review)
![Frontiers | Resistance Mechanisms of Anti-PD1/PDL1 Therapy in Solid Tumors | Cell and Developmental Biology Frontiers | Resistance Mechanisms of Anti-PD1/PDL1 Therapy in Solid Tumors | Cell and Developmental Biology](https://www.frontiersin.org/files/Articles/549129/fcell-08-00672-HTML/image_m/fcell-08-00672-g001.jpg)