CD73-adenosine: a next-generation target in immuno-oncology

David Allard1,2, Bertrand Allard1,2, Pierre-Olivier Gaudreau1,2

  • 1Centre de Recherche du Centre Hospitalier de l'Université de Montréal et Institut du Cancer de Montréal, Québec, Canada.

Immunotherapy
|January 26, 2016
PubMed

Insights

The CD73-adenosine pathway suppresses anti-tumor immunity. Blocking this pathway, along with existing immune checkpoint inhibitors, shows promise for next-generation cancer immunotherapies in clinical trials.

Area of Science:

  • Oncology
  • Immunology
  • Pharmacology

Background:

  • Cancer immunotherapy has advanced with PD1/PD-L1 and CTLA-4 inhibitors.
  • The CD73-adenosine axis is a key target for novel cancer immunotherapies.
  • This pathway plays a critical immunosuppressive role in the tumor microenvironment.

Purpose of the Study:

  • To review fundamental, preclinical, and clinical findings on the CD73-adenosinergic pathway in tumor immunity.
  • To highlight the potential of targeting CD73 or adenosine receptors for cancer treatment.
  • To discuss the combination of CD73-adenosine blockade with existing immunotherapies.

Main Methods:

  • Review of existing scientific literature and clinical trial data.
  • Analysis of preclinical studies demonstrating the role of CD73-adenosine in cancer.
  • Examination of early-phase clinical trial results for anti-CD73 and anti-A2A therapies.

Main Results:

  • The CD73-adenosine axis promotes tumor immune evasion.
  • Targeting CD73 or adenosine receptors can enhance anti-tumor immune responses.
  • Blocking this axis may improve the efficacy of current immune checkpoint inhibitors.

Conclusions:

  • The CD73-adenosine pathway is a promising target for next-generation cancer immunotherapy.
  • Clinical trials are evaluating the efficacy of targeting this pathway in cancer patients.
  • Further research is needed to optimize combination strategies for maximum therapeutic benefit.

Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
2.2K
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
9.1K
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

1.7K
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase01:11

Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase

Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
67