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Focus on Immuno-Oncology

Introduction to Immuno-Oncology and Immunotherapy

For over 100 years, long before the cells that make up the immune system were identified and characterized, scientists have been attempting to harness their understanding of the immune system to target cancer. Modern immunotherapy took off in the late 1960s, when the role of T cells in the immune system was uncovered (1). Since then, the field of immunotherapy has grown to encompass cancer vaccines, antibody-based therapeutics, checkpoint blockade therapy, cell therapy, oncolytic viruses, and more. Two Nobel Prizes have been awarded for advances in the field of immuno-oncology: in 1908, for the theory of cancer immune surveillance, and in 2018, for checkpoint blockade immunotherapy (2). Immunotherapies are now approved for over 25 different types of cancer (3).

References

  1. Dobosz P, Dzieciątkowski T. The Intriguing History of Cancer Immunotherapy. Front Immunol. 2019 Dec 17;10:2965. doi: 10.3389/fimmu.2019.02965. PMID: 31921205; PMCID: PMC6928196.
  2. Kaufmann, Stefan H. E. "Immunology's Coming of Age." Frontiers. 2019.
  3. Kellen, A.M. "FDA Approval Timeline of Active Immunotherapies." Cancer Research Institute. 2022.
A 3D model of the tumor microenvironment, with cells in a metallic blue shade and bright red blood vessels running throughout.

Immuno-Oncology and Cancer Immunotherapy

The tumor microenvironment is represented by cells in various pastel colors, with a red blood vessel weaving through.

Tumor Microenvironment

Many immunotherapeutic interventions must penetrate the tumor microenvironment to exert their effect. Learn about the complexities of the tumor microenvironment and its component cancer cells, immune cells, vasculature, and stromal cells.

Multiplex image showing CD3e, CD8a, PD-L1, and CD68.

Immune Checkpoint Blockade

From PD-1 and PD-L1 to TIGIT, GITR, and TIM-3, checkpoint blockade immunotherapies have become increasingly common treatments for many types of solid tumors. These resources focus on key checkpoint molecules and how therapies targeting checkpoint molecules induce anti-tumor immune responses.


Introduction to Immune Checkpoint Blockade


Immune Checkpoint Molecules and Therapeutic Targets

Three T cells, in teal and red, attacking the outside of one cancer cell, in bright purple.

T Cells

Helper T cells, effector T cells, and regulatory T cells are key cells of the immune system that recognize and kill cancer cells while protecting healthy tissue. Learn about T cell activation and inhibition along with effector and immunosuppressive functions of this heterogeneous cell population.

Zoomed in view of a gray nanoparticle with antibodies, in orange, evenly spaced around the outside.

Cell Therapy

Immune cells can be genetically engineered to be better effector cells and generate a stronger anti-tumor immune response. In particular, CAR-T cells have shown great promise as an immunotherapy to blood cancers such as leukemia and lymphoma.

A T cell and tumor cell with receptors being inhibited by antibodies.

Combination Immunotherapies

Checkpoint blockade, CAR-T cells, cytokine-based therapies, and other immunotherapies have been shown to have synergistic anti-tumor effects. Learn about different immunotherapy combinations and their impact.

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