Targeting immunosupportive cancer therapies: accentuate the positive, eliminate the negative

Karl S Peggs1, Neil H Segal, James P Allison

  • 1Ludwig Center for Cancer Immunotherapy, Howard Hughes Medical Institute, 1275 York Avenue, New York, NY 10021, USA.

Cancer Cell
|September 6, 2007
PubMed

Insights

Genomic instability in cancer cells creates neoantigens, enhancing immunotherapy potential. Combinatorial strategies combining targeted therapies with checkpoint inhibitors show promise for improved cancer treatment.

Area of Science:

  • Oncology
  • Immunology
  • Genetics

Background:

  • Cancer cells possess genomic instability, a key characteristic influencing therapeutic responses.
  • Targeted cancer therapies, such as monoclonal antibodies and kinase inhibitors, aim to induce direct cell death.
  • Genomic instability can paradoxically enhance the effectiveness of immunotherapies by generating tumor neoantigens.

Purpose of the Study:

  • To provide an overview of current cancer therapeutics, including targeted agents and immunotherapies.
  • To discuss how cancer cell genomic instability impacts therapeutic strategies.
  • To advocate for combinatorial approaches integrating targeted and immune-based therapies.

Main Methods:

  • Review of existing literature on cancer therapeutics, focusing on targeted agents and immunotherapies.
  • Analysis of the role of genomic instability in cancer development and treatment response.
  • Conceptual framework for combinatorial cancer treatment strategies.

Main Results:

  • Genomic instability complicates direct tumor cell killing by targeted therapies.
  • The same instability generates neoantigens, increasing the potential for immune recognition and attack.
  • Combinatorial strategies can leverage tumor antigen release and immune checkpoint interference.

Conclusions:

  • Integrating targeted therapies that induce antigen release with immunotherapies that overcome immune suppression is a promising strategy.
  • Exploiting cancer's genomic instability is crucial for developing effective combination treatments.
  • Future cancer therapy should focus on synergistic approaches to enhance anti-tumor immunity and treatment efficacy.

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.
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 specific...
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 specific...
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer Therapies02:49

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Cancer Therapies02:49

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...