Related Experiment Video
Updated: Aug 9, 2026
10:03
Generation of Induced Pluripotent Stem Cells from Human Melanoma Tumor-infiltrating Lymphocytes
Published on: November 11, 2016
Immunosuppression in melanoma immunotherapy: potential opportunities for intervention
Gregory Lizée1, Laszlo G Radvanyi, Willem W Overwijk
1Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.
Summary
Melanoma tumors suppress immune responses through regulatory cells and inhibitory molecules. Identifying these mechanisms offers new therapeutic strategies to improve melanoma immunotherapy effectiveness.
Area of Science:
- Immunology
- Oncology
- Cancer Research
Background:
- Melanoma is highly immunogenic, yet current immunotherapies show limited success.
- Tumor growth despite immune responses suggests active suppression of anti-tumor immunity in vivo.
Purpose of the Study:
- To identify mechanisms by which melanomas suppress tumor-specific immune responses.
- To explore opportunities for novel therapeutic interventions in melanoma treatment.
Main Methods:
- Review of research on melanoma immune suppression mechanisms.
- Analysis of regulatory immune cells and tumor-expressed inhibitory molecules.
Main Results:
- Melanomas utilize regulatory immune cells in the tumor microenvironment and lymph nodes to inhibit effector T-cells.
- Melanoma tumors express soluble and membrane-bound molecules that actively suppress immune cells.
Conclusions:
- Understanding melanoma immune suppression is crucial for developing effective treatments.
- Targeting identified suppressive mechanisms can enhance current melanoma immunotherapies like vaccination and adoptive cell transfer.
Related Concept Videos
01:27Tumor 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.
01:30Cancer 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 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...