PD-1 and PD-L1 in cancer immunotherapy: clinical implications and future considerations

Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. Binding of PD-1 to its ligand, programmed death-ligand 1 (PD-L1), activates downstream signaling pathways and inhibits T cell activation. Moreover abno...

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Published inHuman vaccines & immunotherapeutics Vol. 15; no. 5; pp. 1111 - 1122
Main Authors Jiang, Yongshuai, Chen, Ming, Nie, Hong, Yuan, Yuanyang
Format Journal Article
LanguageEnglish
Published United States Taylor & Francis 04.05.2019
Taylor & Francis Group
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Abstract Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. Binding of PD-1 to its ligand, programmed death-ligand 1 (PD-L1), activates downstream signaling pathways and inhibits T cell activation. Moreover abnormally high PD-L1 expression on tumor cells and antigen-presenting cells in the tumor microenvironment mediates tumor immune escape, and the development of anti-PD-1/PD-L1 antibodies has recently become a hot topic in cancer immunotherapy. Here, we review the structure of PD-1 and PD-L1, the function of the PD-1/PD-L1 signaling pathway, the application of PD-1 or PD-L1 monoclonal antibodies and future directions for anti-PD-1/PD-L1 antibodies with combination therapies. Cancer immunotherapy using PD-1/PD-L1 immune checkpoint blockade may require more studies, and this approach may be curative for patients with many types of cancer in the future.
AbstractList Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. Binding of PD-1 to its ligand, programmed death-ligand 1 (PD-L1), activates downstream signaling pathways and inhibits T cell activation. Moreover abnormally high PD-L1 expression on tumor cells and antigen-presenting cells in the tumor microenvironment mediates tumor immune escape, and the development of anti-PD-1/PD-L1 antibodies has recently become a hot topic in cancer immunotherapy. Here, we review the structure of PD-1 and PD-L1, the function of the PD-1/PD-L1 signaling pathway, the application of PD-1 or PD-L1 monoclonal antibodies and future directions for anti-PD-1/PD-L1 antibodies with combination therapies. Cancer immunotherapy using PD-1/PD-L1 immune checkpoint blockade may require more studies, and this approach may be curative for patients with many types of cancer in the future.Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. Binding of PD-1 to its ligand, programmed death-ligand 1 (PD-L1), activates downstream signaling pathways and inhibits T cell activation. Moreover abnormally high PD-L1 expression on tumor cells and antigen-presenting cells in the tumor microenvironment mediates tumor immune escape, and the development of anti-PD-1/PD-L1 antibodies has recently become a hot topic in cancer immunotherapy. Here, we review the structure of PD-1 and PD-L1, the function of the PD-1/PD-L1 signaling pathway, the application of PD-1 or PD-L1 monoclonal antibodies and future directions for anti-PD-1/PD-L1 antibodies with combination therapies. Cancer immunotherapy using PD-1/PD-L1 immune checkpoint blockade may require more studies, and this approach may be curative for patients with many types of cancer in the future.
Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. Binding of PD-1 to its ligand, programmed death-ligand 1 (PD-L1), activates downstream signaling pathways and inhibits T cell activation. Moreover abnormally high PD-L1 expression on tumor cells and antigen-presenting cells in the tumor microenvironment mediates tumor immune escape, and the development of anti-PD-1/PD-L1 antibodies has recently become a hot topic in cancer immunotherapy. Here, we review the structure of PD-1 and PD-L1, the function of the PD-1/PD-L1 signaling pathway, the application of PD-1 or PD-L1 monoclonal antibodies and future directions for anti-PD-1/PD-L1 antibodies with combination therapies. Cancer immunotherapy using PD-1/PD-L1 immune checkpoint blockade may require more studies, and this approach may be curative for patients with many types of cancer in the future.
Author Chen, Ming
Jiang, Yongshuai
Yuan, Yuanyang
Nie, Hong
Author_xml – sequence: 1
  givenname: Yongshuai
  orcidid: 0000-0003-1380-7826
  surname: Jiang
  fullname: Jiang, Yongshuai
  organization: Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine
– sequence: 2
  givenname: Ming
  surname: Chen
  fullname: Chen, Ming
  organization: Department of Gynecology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine
– sequence: 3
  givenname: Hong
  surname: Nie
  fullname: Nie, Hong
  email: hnie0823@126.com
  organization: Department of Stomatology, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine
– sequence: 4
  givenname: Yuanyang
  orcidid: 0000-0002-2346-0785
  surname: Yuan
  fullname: Yuan, Yuanyang
  email: yuanyangy@sjtu.edu.cn
  organization: Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine
BackLink https://www.ncbi.nlm.nih.gov/pubmed/30888929$$D View this record in MEDLINE/PubMed
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Color versions of one or more of the figures in the article can be found online at www.tandfonline.com/khvi.
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Snippet Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. Binding of...
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SubjectTerms Antibodies, Monoclonal - therapeutic use
Antineoplastic Agents, Immunological - therapeutic use
B7-H1 Antigen - chemistry
B7-H1 Antigen - immunology
checkpoint
Clinical Trials as Topic
Combined Modality Therapy - trends
Humans
immunotherapy
Immunotherapy - trends
Neoplasms - immunology
Neoplasms - therapy
PD-1
PD-L1
Programmed Cell Death 1 Receptor - antagonists & inhibitors
Programmed Cell Death 1 Receptor - chemistry
Programmed Cell Death 1 Receptor - immunology
Reviews
Signal Transduction
T-Lymphocytes - immunology
tumor
Tumor Microenvironment
Title PD-1 and PD-L1 in cancer immunotherapy: clinical implications and future considerations
URI https://www.tandfonline.com/doi/abs/10.1080/21645515.2019.1571892
https://www.ncbi.nlm.nih.gov/pubmed/30888929
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https://doaj.org/article/37793a74dd174790a93df333265bae14
Volume 15
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