Related Experiment Video
Updated: Jul 29, 2026

07:18
Intracellular Refolding Assay
Published on: January 24, 2012
Molecular chaperones and cancer immunotherapy
X Y Wang1, J G Facciponte, J R Subjeck
1Department of Cellular Stress Biology and Urologic Oncology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA. xiang-yang.wang@roswellpark.org
Handbook of Experimental Pharmacology
|April 14, 2006
Summary
Heat shock proteins (HSPs), or molecular chaperones, maintain cell stability. Their immune-modulating roles are being explored for novel cancer immunotherapy strategies.
Area of Science:
- Molecular biology
- Immunology
- Biochemistry
Background:
- Heat shock proteins (HSPs), also known as stress proteins or molecular chaperones, are abundant and evolutionarily conserved intracellular proteins.
- HSPs are crucial for maintaining cellular homeostasis under both normal physiological and stress conditions.
- Extracellular HSPs can modulate innate and adaptive immunity by interacting with immune cells, especially antigen-presenting cells.
Purpose of the Study:
- To explore the immunomodulatory properties of heat shock proteins.
- To investigate the potential of HSPs in cancer immunotherapy.
Main Methods:
- Review of existing literature on heat shock proteins and their functions.
- Analysis of the mechanisms by which extracellular chaperones interact with the immune system.
- Examination of current clinical trials involving chaperone-based cancer vaccines.
Main Results:
- HSPs play vital roles in cellular protection and stress response.
- Extracellular HSPs possess significant immunomodulatory capabilities.
- Chaperone-based vaccines are under investigation in clinical trials for various cancers.
Conclusions:
- Heat shock proteins have demonstrated potential as therapeutic agents in cancer immunotherapy.
- The immunomodulating properties of HSPs offer promising avenues for developing novel cancer treatments.
Related Concept Videos
Molecular Chaperones and Protein Folding
The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...
The...
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...
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...
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...
There are several types of targeted therapies against specific...
Molecular Chaperones and Protein Folding
The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...
The...
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...
There are several types of targeted therapies against specific...
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.

